CN209132119U - A portable device for measuring the content of solid suspended solids in sewage - Google Patents

Abstract

The utility model belongs to the field of building materials, and in particular to a kind of device 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 application 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

A portable device for measuring the content of solid suspended solids in sewage

technical field

The utility model belongs to the technical field of building materials, in particular to a portable device for measuring the content of solid suspended solids in sewage.

Background technique

At this stage, when the content of solid suspended solids in various types of sewage is measured in the industry, it is often necessary to set up a separate water intake equipment and transfer it to a special laboratory measurement instrument after the water is collected. The collection and determination of sewage samples is complicated and impossible. Effectively draw valid conclusions in the field.

However, many sampling points for water intake testing often need to obtain first-hand test data on-site in time. The various types of testing equipment available in the market are often inconvenient to carry, independent from the water intake equipment, and require the support of external power to conduct testing. It cannot be simple and lightweight, and is not conducive to human carrying and operation.

Utility model content

The technical problem solved by the utility model is to provide a portable device and method for measuring the content of solid suspended solids in sewage.

The technical solution that realizes the purpose of the present utility model is:

A portable device for measuring the content of solid suspended solids in sewage, the device includes a water collection bottle, a water storage bottle is connected below the water collection bottle, a water sample filter membrane is arranged between the water collection bottle and the water storage bottle, and the upper end surface of the water collection bottle is provided with a first the opening of the water collection bottle and the opening of the second water collection bottle, the upper end surface of the water storage bottle is provided with a water storage bottle opening, and the bottom of the water storage bottle is provided with a drainage port;

When taking a water sample, the opening of the first water collection bottle is connected to a rubber water conduit, which is used to absorb the water sample to be measured, and discharge the gas in the water collection bottle through the opening of the second water collection bottle to reduce the pressure in the water collection bottle. So that the water sample to be tested enters the water collection bottle through the rubber water conduit;

When the water sample is filtered, the gas in the water storage bottle is discharged through the opening of the water storage bottle, and the gas enters through the opening of the second water collecting bottle, so that a pressure difference is formed between the water collecting bottle and the water storage bottle, so as to filter the sewage.

The water collection bottle and the water storage bottle are connected by a threaded connection structure, and the threaded connection structure includes a water collection bottle inner thread interface and a water storage bottle outer thread interface, and the outer diameter of the water storage bottle outer thread interface is the same as the water collection bottle inner thread interface. The inner diameter is the same; the outer diameter of the outer threaded interface of the water storage bottle and the inner diameter of the inner threaded interface of the water collection bottle are 20-30 mm.

An isolation support net is arranged inside the external thread interface of the water storage bottle, and the isolation support net is arranged below the water sample filter membrane for supporting and fixing the water sample filter membrane.

The distance between the isolation support net and the external thread interface of the water storage bottle is 5-8mm, and the pore size of the water sample filter membrane is 0.45μm-1.2μm.

The gas discharged and entered from the opening of the second water collecting bottle and the gas discharged from the opening of the water storage bottle pass through the ear-washing ball, and the air port at the lower end of the ear-washing ball is respectively connected with the opening of the second water collecting bottle and the opening (3) of the water storage bottle.

It also includes a flanged rubber bottle stopper matched with the opening of the first water collecting bottle, the opening of the second water collecting bottle, the opening of the water storage bottle and the drain port.

The opening apertures of the first water collection bottle opening, the second water collection bottle opening and the water storage bottle opening are 3mm-8mm; the opening aperture of the water storage bottle drain outlet is 10mm-20mm; the diameter of the rubber water conduit is the same as that of the water collection bottle. The aperture diameter is the same.

The diameter of the flanged rubber stopper matched with the opening of the first water collecting bottle, the opening of the second water collecting bottle and the opening of the water storage bottle is the same as the diameter of the opening, the depth of the plug mouth is 6mm-8mm, and the depth of the flanging is 5mm-7mm; and The flanging type rubber stopper matched with the drain outlet of the water storage bottle, the diameter of the stopper is the same as the diameter of the drain outlet, the depth of the stopper is 16mm-20mm, and the depth of the flanging is 15mm-18mm.

The material of the water collecting bottle is glass, the volume is 250mL-1000mL, and the thickness of the bottle body is 3mm-5mm; the material of the water storage bottle is polyethylene terephthalate (PET) material, the volume is 500mL-2000mL, and the bottle body is The thickness is 3mm-5mm; the scale of the water collection bottle is engraved on the side of the water collection bottle, the division value of the water collection bottle scale is 10mL, and the maximum value matches the volume of the water collection bottle.

A method of using the above device, the specific steps are as follows:

Step 1: Weigh the quality of the water sample filter membrane, place it on the isolation support net (12), connect the rubber water conduit to the opening of the first water collection bottle, take an ear-washing ball, squeeze out the air in it, and put the The air port at the lower end is pressed and connected to the opening of the second water collecting bottle; the opening of the water storage bottle and the drainage port of the water storage bottle are blocked with a flanged rubber bottle stopper;

Step 2, place the rubber water conduit in the sampling water body, release the ear-washing ball that has squeezed out the air in it, and suck the air in the water collection bottle and the water-storage bottle into the ear-washing ball, causing the air pressure in the bottle to be lower than the outside atmospheric pressure, and through the air pressure difference The water sample at the sampling point is sucked into the water collection bottle through the rubber aqueduct;

Step 3, repeat the ear washing ball in step 2 until the volume of the water sample in the water collection bottle reaches the expected requirement;

Step 4: Remove the rubber water conduit, and seal the opening of the first water collection bottle with a flanged rubber stopper; take an ear-washing ball to fill it with air, and press the lower end of the air port to connect to the opening of the second water collection bottle; Wash the ear ball and squeeze out the air in it, press the air port at the lower end to connect to the opening of the water storage bottle; squeeze the ear washing ball connected to the opening of the second water collection bottle, so that the air in it enters the water collection bottle, and at the same time, release the washer connected to the opening of the water storage bottle. The ear ball sucks the air in the water storage bottle, so that the air pressure in the water collection bottle is higher than that of the water storage bottle, so that the water sample passes through the water sample filter membrane;

Step 5, if the water sample in the water collection bottle does not completely pass through the water sample filter membrane, repeat the operation of the ear washing ball in step 4 until the water sample in the water collection bottle completely passes through the water sample filter membrane;

Step 6: Unscrew the threaded connection structure, take out the filter membrane of the water sample, dry it, weigh and calculate the quality difference to obtain the content of suspended solids in the water sample; open the drain of the water storage bottle, release the filtered water, clean and disassemble the device to complete the measurement.

Compared with the prior art, the present utility model has significant advantages:

(1) The utility model is provided with a plurality of openings that can be opened flexibly, including two water collecting bottle openings and one water storage bottle opening, and a rubber water conduit or ear-washing ball can be added; The air pressure difference provided by the ball realizes the function of water intake or filtration.

(2) The detachable and assembled equipment of the present utility model can be conveniently carried by the operator and can be quickly assembled at the sampling site for sampling and testing.

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Description of drawings

Figure 1 is a schematic structural diagram of a portable device for measuring the content of solid suspended solids in sewage according to the present invention.

Fig. 2 is an enlarged schematic view of the structure of the external thread interface of the water storage bottle of the present invention.

Figure 3 is a schematic diagram of a flanged rubber bottle stopper, wherein Figure (a) is a schematic diagram before use, and Figure (b) is a schematic diagram in use.

Description of reference numbers:

1- The opening of the first water collection bottle, 2- The opening of the second water collection bottle, 3- The opening of the water storage bottle, 4- The drainage port of the water storage bottle, 5- The water collection bottle, 6- The water storage bottle, 7- The water collection bottle scale, 8- The rubber water conduit , 9-Ear wash ball, 10-Inner thread interface of water collecting bottle, 11-Thread connection structure, 12-Isolation support net, 13-Water sample filter membrane, 14-External thread interface of water storage bottle, 15-Flanged rubber stopper .

Detailed ways

As shown in Figures 1-3, a device of the present invention for conveniently measuring the content of solid suspended solids in sewage includes: a water collection bottle 5, a first water collection bottle opening 1, a second water collection bottle opening 2, a water collection bottle scale 7, a connection The rubber water conduit 8, the ear-washing ball 9, the water storage bottle 6, the water storage bottle opening 3, the water storage bottle drain 4, and the threaded connection structure 11 connecting the water collecting bottle 5 and the water storage bottle 6, including the The threaded interface 10 and the external thread interface 14 of the water storage bottle; the opening 3 of the water collecting bottle is opened on the upper part of the water collecting bottle 5, and is equipped with a flanged rubber stopper 15; The volume of the water sample taken in the water bottle 5; the rubber water conduit 8 can be connected to the opening 1 of the first water collection bottle, and the sewage can be drawn from the sampling point and placed in the water collection bottle 5 by the principle of air pressure difference; the ear washing ball 9 is connected to the upper part of the water collection bottle. One opening can provide the air pressure difference required by the equipment of the present invention; the upper part of the water storage bottle 6 is provided with a water storage bottle opening 3, which is matched with a water storage bottle flanging type rubber stopper 15, which is used to assist in providing the pressure difference required by the equipment; The lower part of the water storage bottle 6 is provided with a water storage bottle drainage port 4, which is matched with a water storage bottle flanging type rubber stopper 15, which is used to remove the filtered water in the water storage bottle 6; It can be used to support the fixed water filter membrane 13.

Preferably, in order to ensure the stability of the equipment, and considering factors such as raw material strength, light transmittance and durability, the material of the water collection bottle 5 is set to be glass material, the volume is 250mL-1000mL, and the thickness of the bottle body is 3mm-5mm; The material of the water bottle 6 is set to be polyethylene terephthalate (PET) material, the volume is 500mL-2000mL, and the thickness of the bottle body is 3mm-5mm.

Preferably, the upper part of the water collection bottle 5 is provided with a first water collection bottle opening 1 and a second water collection bottle opening 2, the openings have a diameter of 3mm-8mm, and are equipped with a flanged rubber bottle stopper 15 and a rubber water conduit 8.

Preferably, a water storage bottle opening 3 is provided on the upper part of the water storage bottle 6 , the opening diameter of which is 3 mm-8 mm, and is matched with a flanged rubber bottle stopper 15 .

Preferably, the diameter of the flanged rubber bottle stopper 15 matched with the first water collecting bottle opening 1, the second water collecting bottle opening 2 and the water storage bottle opening 3 is 3mm-8mm consistent with the opening diameter, and the material is set to be rubber; In order to ensure firmness, the depth of the plug mouth is set to 6mm-8mm, and the flanging depth of the flanged rubber bottle stopper 15 is set to be 5mm-7mm.

Preferably, in order to ensure the connection stability, the material of the rubber water conduit 8 is set to be rubber, and the diameter of the pipe is set to be 3mm-8mm, and the apertures of the openings of the water collecting bottles are the same.

Preferably, the water collection bottle scale 7 is engraved on the bottle side of the water collection bottle 5 for directly reading the volume of the water sample taken in the water collection bottle 5; to match the volume of the water collection bottle).

Preferably, the lower part of the water storage bottle 6 is provided with a water storage bottle drain port 4 with a diameter of 10mm-20mm, which is used to remove the filtered water in the water storage bottle 6; it is equipped with a drain port flanging type rubber stopper, and the diameter of the plug is 10mm. -20mm (consistent with the diameter of the drain outlet), set its material to be rubber; in order to ensure firmness, set the depth of the plug to 16mm-20mm, and set the depth of its flanging to 15mm-18mm.

Preferably, as shown in FIG. 2, a threaded connection structure 11 is provided between the water collection bottle 5 and the water storage bottle 6, including the water collection bottle inner thread interface 10 and the water storage bottle outer thread interface 14; wherein the water collection bottle inner thread interface 10 has a diameter of 20mm -30mm, the 14 diameter of the external thread interface of the water storage bottle is 20mm-30mm (the same as the diameter of the external thread interface of the water collecting bottle).

Preferably, an isolation support net 12 is provided inside the external thread interface 14 of the water storage bottle, which can be used to support and fix the water sample filter membrane 13; the distance between the isolation support mesh 12 and the upper end of the external thread interface 14 of the water storage bottle is 5mm-8mm; the water sample filter membrane 13 The pore size is 0.45μm-1.2μm.

A device of the present utility model for conveniently measuring the content of solid suspended matter in sewage is described as follows:

The water collecting bottle 5 and the water storage bottle 6 are connected by the threaded connection structure 11, and specifically, the water collecting bottle external thread interface 10 and the water storage bottle external thread interface 14 are screwed and connected; wherein the water collecting bottle 5 is made of glass material, and the volume is 250mL-1000mL , the thickness of the bottle body is 3mm-5mm; the water storage bottle 6 is made of polyethylene terephthalate (PET) material, the volume is 500mL-2000mL, and the thickness of the bottle body is 3mm-5mm; The opening diameter of the opening 2 of the second water collection bottle and the opening 3 of the water storage bottle are 3mm-8mm; the flanged rubber bottle stopper 15 is provided, and the diameter of the stopper is 3mm-8mm (consistent with the opening diameter), and the depth of the stopper is set to 6mm. -8mm, the flanging depth is 5mm-7mm; the diameter of the rubber aqueduct 8 is set to 3mm-8mm (the opening diameter of the water collection bottle is the same); the lower part of the water storage bottle 6 is provided with a water storage bottle drainage port 4, the diameter of which is 10mm-20mm, equipped with drainage The mouth flanging type rubber bottle stopper has a diameter of 10mm-20mm (the same as the diameter of the drain outlet), the depth of the stopper is 16mm-20mm, and the depth of the flanging is 15mm-18mm; an isolation is provided inside the external thread interface 14 of the water storage bottle. The support net 12 is used to support and fix the water sample filter membrane 13; the distance between the isolation support net 12 and the upper end of the external thread interface 14 of the water storage bottle is set to be 5mm-8mm; the water sample filter membrane 13 with a pore size of 0.45μm-1.2μm is taken and weighed. The quality of the water sample filter membrane 13 is placed on the isolation support mesh 12 .

Connect the rubber water conduit 8 to the opening 1 of the water collection bottle, take an ear-washing ball 9, squeeze out the air in it, and press the lower air port to connect it to the opening 2 of the second water collection bottle; seal it with a flanged rubber bottle stopper The water storage bottle opening 3 and the water storage bottle drain 4; the rubber water conduit 8 is placed in the sampling water body, and the ear washing ball 9 that has been squeezed out of the air is released. Through this operation, the air in the water collection bottle 5 and the water storage bottle 6 can be Inhaling the ear washing bulb 9 causes the air pressure in the bottle to be lower than the outside atmospheric pressure, so that the water sample at the sampling point is sucked into the water collecting bottle 5 through the rubber water conduit 8 through the air pressure difference; because the water sample filter membrane 13 is a semi-permeable membrane material, In the case of no follow-up operation, the water sample will not pass through the water sample filter membrane 13 in a short time;

After the above operations, if the volume of the water sample in the water collection bottle 5 does not meet the expected requirements, the ear washing ball 9 can be removed, the air in it can be squeezed out again, and the air port at its lower end is pressed and connected to the opening 2 of the second water collection bottle, and then released. Steps can be repeated until the volume of the water sample in the collection bottle 5 reaches the expected requirements;

Remove the rubber water conduit 8, and seal the first water collection bottle opening 1 with the flanged rubber stopper equipped with the first water collection bottle opening 1; Water collection bottle opening 2; take another ear-washing ball 9 and squeeze out the air in it, press its lower end air port to connect to the water storage bottle opening 3; squeeze the ear-washing ball 9 to make the air enter the water-collecting bottle 5, and release the ear-washing ball at the same time 9. Inhale the air in the water storage bottle 6, so that the air pressure in the water collection bottle 5 is greater than that of the water storage bottle 6, thereby promoting the water sample to pass through the water sample filter membrane 13;

After the above operation, if the water sample in the water storage bottle 6 does not completely pass through the water sample filter membrane 13, the ear washing bulb 9 can be removed, filled with air again, and the lower end air port is pressed and connected to the opening 2 of the second water collecting bottle, and the ear washing bulb 9 can be removed. Lower the ear-washing ball 9, squeeze out the air in it, and press the lower air port to connect to the water storage bottle opening 3; squeeze the ear-washing ball 9, so that the air in it enters the water collection bottle 5, release the ear-washing ball 9 at the same time, and inhale the water storage bottle 6 The air in the water collection bottle 5 makes the air pressure in the water collection bottle 5 higher than that of the water storage bottle 6, thereby promoting the water sample to pass through the water sample filter membrane 13; the steps in this section can be repeated until the water sample in the water storage bottle 6 completely passes through the water sample filter membrane 13;

Unscrew the threaded connection structure 11, take out the water sample filter membrane 13, dry it, weigh it and calculate its mass difference to obtain the solid suspended matter content in the water sample; open the water storage bottle drain 4, release the filtered water, clean and disassemble This device completes the measurement.

Claims (9)

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.