Rapid water quality detection device for environmental engineering

Abstract

The utility model relates to a rapid water quality detection device for environmental engineering, which is characterized in that support rings are formed on the inner wall of a bottle opening, and a constant-weight filter membrane for filtering suspended matters in oil field water is arranged between the two support rings; mounting rings are formed on the outer wall of the bottle opening, a plurality of through holes are formed in the mounting rings, supporting cylinders corresponding to the through holes are arranged between the two mounting rings, bolts are arranged in the supporting cylinders and the through holes in a penetrating mode, and the ends of the bolts are in threaded connection with rotary knobs. Transparent glass materials are replaced by transparent plastic materials, so that the bearing bottle and the flow guide bottle are better in chemical stability and higher in strength, the constant-weight filter membrane is installed and limited through the supporting ring in the bottle opening, and meanwhile the bearing bottle and the flow guide bottle are rapidly disassembled and assembled through the installation ring, the supporting cylinder, the bolt and the knob structure of the bottle opening. And thread abrasion of the glass bottle opening caused by frequent twisting of the bottle body is avoided, so that the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental detection equipment technical field especially water quality rapid detection device for environmental engineering. BACKGROUND

[0002] At present, the water quality of oilfield mining area is affected by the high oil content sewage of oilfield for a long time, which leads to serious pollution of the water quality of mining area, and the water quality will form complex suspended solids. When detecting the suspended solids of oilfield water quality, filter membrane method is needed. After the water sample to be measured is loaded into the microporous membrane filter test instrument, the filter membrane with constant weight is wetted with water and loaded on the microporous filter. Then, the pressure in the membrane filter test instrument is filtered by using the pressurization method, and the outflow volume is recorded. The filter membrane is taken out and dried. The filter membrane is washed with appropriate solvent (such as gasoline) until the filtrate is colorless. Then, the filter membrane is dried again and washed with distilled water until there is no chloride ion in the water. Finally, the filter membrane is weighed, and the content of suspended solids is calculated by the change of weight before and after.

[0003] The Chinese utility model patent with the authorization announcement number CN221260975U discloses an oilfield water quality detection device. The constant weight filter membrane is installed on the inner support ring of the receiving bottle and the inner abutting ring of the flow guide bottle, and the receiving bottle and the flow guide bottle are connected through the threads of the bottle mouths, so that the constant weight filter membrane is convenient to disassemble and assemble. However, in the above-mentioned scheme, the receiving bottle and the flow guide bottle are both made of transparent glass material. Frequent rotation and twisting of the bottle body for disassembly and assembly of the filter membrane can easily cause wear of the threads of the bottle mouths, thereby reducing the service life. CONTENT OF THE UTILITY MODEL

[0004] The technical problem to be solved by the utility model is that the receiving bottle and the flow guide bottle of the existing oilfield water quality detection device are both made of transparent glass material. Frequent rotation and twisting of the bottle body for disassembly and assembly of the filter membrane can easily cause wear of the threads of the bottle mouths, thereby reducing the service life.

[0005] In order to solve the above-mentioned problems, the utility model provides a water quality rapid detection device for environmental engineering. The materials of the receiving bottle and the flow guide bottle are both transparent plastic, and the bottle mouths have the same structure. The inner walls of the bottle mouths form support rings. A constant weight filter membrane for filtering the suspended solids of oilfield water is installed between the two support rings. The outer walls of the bottle mouths form installation rings. A plurality of through holes are formed in the installation rings. A support cylinder corresponding to the through holes is arranged between the two installation rings. A bolt is jointly arranged in the support cylinder and the through hole. The end of the bolt is threadedly connected with a knob.

[0006] The water quality rapid detection device for environmental engineering provided by the utility model also has the following technical features:

[0007] Sealing top rings are arranged between the end faces of the two bottle mouths. The cross sections of the sealing top rings are H-shaped.

[0008] The outer side of the constant weight filter membrane is provided with a filter membrane ring, and ring grooves one are arranged on the upper and lower surfaces of the filter membrane ring; a support ring is arranged on the surface close to the filter membrane ring, and ring grooves two are arranged on the surface of the support ring; and a sealing limiting ring is arranged in the ring grooves one and the ring grooves two.

[0009] The cross sections of the ring grooves one and the ring grooves two are semicircular, and the cross section of the sealing limiting ring is circular.

[0010] The bottom of the flow guide bottle is provided with a pressurizing interface, a gas guide pipe is connected in the pressurizing interface, and a nitrogen pressurizing machine is connected to the end of the gas guide pipe; the bottom of the flow guide bottle is also provided with a water injection port, and a sealing plug is arranged in the water injection port.

[0011] The inner walls of the receiving bottle and the flow guide bottle are smooth and coated with a hydrophobic coating.

[0012] The utility model discloses the following beneficial effects: transparent plastic material is used to replace transparent glass material, so that the receiving bottle and the flow guide bottle have better chemical stability and higher strength, the installation and limiting of the constant weight filter membrane are realized through the support ring in the bottle mouth, the receiving bottle and the flow guide bottle are quickly disassembled through the installation ring of the bottle mouth, the support cylinder and the bolt and knob structure, the wear of the bottle mouth thread of the glass material caused by frequent rotation of the bottle body is avoided, and the service life is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the exploded view of the part of the utility model;

[0014] Figure 2 It is Figure 1 the local enlarged view of A in the middle;

[0015] Figure 3 It is the whole structure schematic view of the utility model;

[0016] Figure 4 It is Figure 4 the local enlarged view of B in the middle;

[0017] Figure 5 It is Figure 2 the state change diagram. DETAILED DESCRIPTION

[0018] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0019] For example, Figures 1 to 5As shown, the utility model discloses water quality rapid detection device for environmental engineering, the material quality of the receiving bottle 11, diversion bottle 12 all are transparent plastic and have the same bottle mouth 13 of structure, the inner wall of bottle mouth 13 forms support ring 14, and the constant weight filter membrane 15 for filtering oilfield water liquid suspended matter is installed between two support rings 14;The outer wall of bottle mouth 13 forms installation ring 16, a plurality of through holes 17 are set up on installation ring 16, and the support cylinder 18 corresponding with through hole 17 is equipped between two installation rings 16, and the bolt 19 is commonly arranged in support cylinder 18 and through hole 17, and the end of bolt 19 is threadedly connected with knob 20.

[0020] With transparent plastic material instead of transparent glass material, the receiving bottle 11, diversion bottle 12 better chemical stability and higher strength, through the support ring 14 in bottle mouth 13 realizes the installation and position limiting of constant weight filter membrane 15, simultaneously realizes the quick disassembly of receiving bottle 11, diversion bottle 12 through the installation ring 16 of bottle mouth 13, support cylinder 18 and bolt 19, knob 20 structure, avoids the thread wear of bottle mouth 13 of glass material caused by frequent rotation of bottle body, thereby prolongs the service life.

[0021] Wherein, the transparent plastic includes but is not limited to polycarbonate, polymethyl methacrylate or other transparent polymer materials with high strength and chemical stability. The material of bottle mouth 13, support ring 14 and installation ring 16 is integrally formed with the bottle body, so the material is transparent plastic.

[0022] Wherein, the support ring 14 and the installation ring 16 are arranged at the position close to the bottle mouth 13, and the specific distance thereof from the end face of the bottle mouth 13 can be selected and set according to the thickness size of the constant weight filter membrane 15.

[0023] Wherein, the upper part of the through hole 17 on the diversion bottle 12 is a hexagonal hole, so as to facilitate the installation and positioning of the nut of the bolt 19, and the lower part is a circular hole, so as to facilitate the passing of the bolt 19. The material of the support cylinder 18 is rubber, so as to avoid the hard connection between the two installation rings 16. Of course, the contact surface of the bolt 19, the knob 20 and the installation ring 16 can also be provided with a gasket.

[0024] Preferably, the end faces of the two bottle mouths 13 are provided with a sealing top ring 21, and the cross section of the sealing top ring 21 is H-shaped, so as to seal the internal space of the bottle mouth 13 and ensure the sealing property of the constant weight filter membrane 15.

[0025] Wherein, the end face of the bottle mouth 13 is inserted into the groove of the H-shaped structure of the sealing top ring 21, and when the receiving bottle 11 and the diversion bottle 12 are connected stably, the two bottle mouths 13 respectively abut and extrude the sealing top ring 21, so as to ensure the sealing effect.

[0026] Preferably, the outer side of the constant weight filter membrane 15 is provided with a filter membrane ring 22, the upper and lower surfaces of the filter membrane ring 22 are both provided with ring grooves one 23, the surface of the support ring 14 close to the filter membrane ring 22 is provided with ring grooves two 24, and the ring grooves one 23 and the ring grooves two 24 are jointly provided with a sealing limiting ring 25.

[0027] The sealing limiting ring 25 further ensures the sealing of the constant weight filter membrane 15, so that the water sample in the flow guide bottle 12 all permeates through the constant weight filter membrane 15 without overflowing. At the same time, the constant weight filter membrane 15 can be limited to avoid displacement under the pressure of the water sample.

[0028] The outer diameter of the filter membrane ring 22 is the same as the inner diameter of the sealing top ring 21, so that the outer surface of the filter membrane ring 22 can abut against the inner surface of the sealing top ring 21, to reduce the deformation of the sealing top ring 21 caused by being pressed by the two bottle mouths 13, and further improve the sealing effect. The materials of the sealing top ring 21 and the sealing limiting ring 25 can be sealing materials such as rubber.

[0029] Preferably, the cross section of the ring grooves one 23 and the ring grooves two 24 is semicircular, and the cross section of the sealing limiting ring 25 is corresponding circular.

[0030] Of course, the cross section of the ring grooves one 23 and the ring grooves two 24 can also be square or other shapes, and the cross section of the sealing limiting ring 25 is corresponding rectangular or other shapes.

[0031] Preferably, referring to Figure 1 , Figure 3 The bottom of the flow guide bottle 12 is provided with a pressurizing interface 26, a gas guide pipe 27 is connected in the pressurizing interface 26, and a nitrogen pressurizing machine 28 is connected at the end of the gas guide pipe 27; the bottom of the flow guide bottle 12 is also provided with a water inlet 29, and a sealing plug 30 is installed in the water inlet 29.

[0032] Among them, based on the prior art, after the constant weight filter membrane 15 is installed in the receiving bottle 11 and the flow guide bottle 12, the gas guide pipe 27 on the nitrogen pressurizing machine 28 is connected with the pressurizing interface 26 on the flow guide bottle 12, the sampled oilfield water is injected into the flow guide bottle 12 from the water inlet 29, and the water inlet 29 is sealed by the sealing plug 30; the nitrogen pressurizing machine 28 is started to pressurize the flow guide bottle 12, so that the water in it flows into the receiving bottle 11 through the constant weight filter membrane 15, then the constant weight filter membrane 15 is taken out and dried, the constant weight filter membrane 15 is washed with a suitable solvent until the filtrate is colorless, then it is dried again, the constant weight filter membrane 15 is washed with distilled water until there is no chloride ion in the water, and finally the constant weight filter membrane 15 is weighed to calculate the content of suspended solids by the change of weight before and after. The above operation process for detecting the oilfield water is the prior art, which will not be described here.

[0033] Among them, the flow guide bottle 12 is provided with a safety pressure relief valve to prevent the bottle body from bursting during pressurization.

[0034] Preferably, the inner wall of the receiving bottle 11 and the diversion bottle 12 is smooth and coated with a hydrophobic coating to reduce the adhesion of oilfield water residues.

[0035] The hydrophobic coating can be a fluoropolymer coating, such as polytetrafluoroethylene PTFE, fluorinated ethylene propylene copolymer FEP, or a silicon-based material coating, such as a silane, siloxane coating, etc., or a composite coating of nano-silicon dioxide and silane.

[0036] The working principle of the utility model is as follows:

[0037] When installing, the constant weight filter membrane 15 is placed on the support ring 14 of the receiving bottle 11, and the sealing limiting ring 25 is placed in the ring groove one 23 and the ring groove two 24 in advance, and the sealing top ring 21 is placed on the end face of the bottle mouth 13 of the receiving bottle 11 in advance; the diversion bottle 11 is inverted and the end face of the bottle mouth 13 is matched with the sealing top ring 21, at this time the constant weight filter membrane 15 is located between the support ring 14 of the diversion bottle 11 and the support ring 14 of the receiving bottle 11, and the receiving bottle 11 and the diversion bottle 12 are connected through the support cylinder 18, the bolt 19 and the knob 20 structure. When disassembling, rotate the knob 20 and remove the bolt 19, so that the receiving bottle 11 and the diversion bottle 12 can be separated, and the constant weight filter membrane 15 can be taken out.

[0038] After the constant weight filter membrane 15 is installed, the gas guide pipe 27 on the nitrogen pressurizing machine 28 is connected with the pressurizing interface 26 on the diversion bottle 12, the sampled oilfield water is injected into the diversion bottle 12 from the water injection port 29, and the water injection port 29 is sealed by the sealing plug 30; the nitrogen pressurizing machine 28 is started to pressurize the diversion bottle 12, so that the water in the diversion bottle 12 flows into the receiving bottle 11 through the constant weight filter membrane 15, then the constant weight filter membrane 15 is taken out and dried, the constant weight filter membrane 15 is washed with a proper solvent until the filtrate is colorless, then the constant weight filter membrane 15 is dried again, the constant weight filter membrane 15 is washed with distilled water until there is no chloride ion in the water, and finally the constant weight filter membrane 15 is weighed to calculate the content of suspended solids by the change of weight before and after.

[0039] Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A rapid testing device for water quality in environmental engineering, characterized in that, The receiving bottle (11) and the guide bottle (12) are both made of transparent plastic and have the same bottle mouth (13). The inner wall of the bottle mouth (13) forms a support ring (14). A constant weight filter membrane (15) for filtering oilfield water suspension is installed between the two support rings (14). The outer wall of the bottle mouth (13) forms an installation ring (16). Multiple through holes (17) are opened on the installation ring (16). A support cylinder (18) corresponding to the through hole (17) is provided between the two installation rings (16). A bolt (19) is passed through both the support cylinder (18) and the through hole (17). A knob (20) is threaded to the end of the bolt (19).

2. The rapid testing device for water quality in environmental engineering according to claim 1, characterized in that, A sealing top ring (21) is provided between the end faces of the two bottle openings (13), and the cross-section of the sealing top ring (21) is H-shaped.

3. The rapid testing device for environmental engineering water quality according to claim 1, characterized in that, The constant weight filter membrane (15) is provided with a filter membrane ring (22) on the outside. The upper and lower surfaces of the filter membrane ring (22) are provided with annular groove 1 (23). The surface of the support ring (14) near the filter membrane ring (22) is provided with annular groove 2 (24). A sealing limit ring (25) is provided in both annular groove 1 (23) and annular groove 2 (24).

4. The rapid testing device for environmental engineering water quality according to claim 3, characterized in that, The cross-sections of the first annular groove (23) and the second annular groove (24) are semi-circular, and the cross-section of the sealing limit ring (25) is the corresponding circle.

5. The rapid testing device for environmental engineering water quality according to claim 1, characterized in that, The bottom of the guide bottle (12) is provided with a pressurization port (26), and a gas guide tube (27) is connected inside the pressurization port (26). The end of the gas guide tube (27) is connected to a nitrogen pressurizer (28). The bottom of the guide bottle (12) is also provided with a water inlet (29), and a sealing plug (30) is installed inside the water inlet (29).

6. The rapid testing device for environmental engineering water quality according to claim 1, characterized in that, The inner walls of the receiving bottle (11) and the guide bottle (12) are smooth and coated with a hydrophobic coating.

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