CN108061787B - Oilfield produced water quality heavy metal detection device - Google Patents
Oilfield produced water quality heavy metal detection device Download PDFInfo
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- CN108061787B CN108061787B CN201810052007.6A CN201810052007A CN108061787B CN 108061787 B CN108061787 B CN 108061787B CN 201810052007 A CN201810052007 A CN 201810052007A CN 108061787 B CN108061787 B CN 108061787B
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- partition board
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- 238000001514 detection method Methods 0.000 title claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 23
- 238000001179 sorption measurement Methods 0.000 claims abstract description 78
- 238000005192 partition Methods 0.000 claims abstract description 52
- 238000003795 desorption Methods 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 14
- 238000005070 sampling Methods 0.000 claims abstract description 8
- 239000003463 adsorbent Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 16
- 229910021645 metal ion Inorganic materials 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1813—Specific cations in water, e.g. heavy metals
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Water Treatment By Sorption (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a heavy metal detection device for oilfield produced water quality, which consists of an adsorption rod group A, a partition plate group B, a shell group C, a connecting shaft I and a motor, wherein the adsorption rod group A is driven to rotate by the motor through the connecting shaft 1, and rotates once every 30 minutes and 90 degrees every time; the partition board group B is fixedly connected with the shell C, and four chambers are formed in the shell C; the device performs measurement after enrichment sampling of metal ions through the adsorption device, so that the concentration lower limit of the measured object can be improved, and the detection precision is improved; the turbulent flow packet changes the fluid flow field, so that the adsorption efficiency is improved; four adsorption rods simultaneously and continuously carry out four processes, and the four processes of adsorption sampling, desorption detection, cleaning and drying are integrated and carried out simultaneously, so that the average detection time is shortened, and the detection efficiency is remarkably improved.
Description
Technical Field
The invention belongs to the technical field of heavy metal detection, and particularly relates to a device for detecting heavy metal in oilfield produced water.
Background
In the process of oil field exploitation, a large amount of oil field produced water is generated, the oil field produced water contains various heavy metals such as lead, mercury, cadmium, cobalt and the like, and the heavy metals discharged along with wastewater can accumulate in algae and bottom mud even if the concentration is small, enter a food chain and generate concentration of the food chain, so that pollution is caused. However, the conventional water quality detection device is difficult to detect the concentration of lower heavy metal, and the detection process is complex and time-consuming, so that along with the requirement of water quality heavy metal detection, a more rapid and efficient water quality heavy metal detection device is required.
Disclosure of Invention
The invention aims to provide a device for detecting heavy metals in oilfield produced water, which can improve the precision and efficiency of detecting heavy metals in water.
An oilfield produced water quality heavy metal detection method, comprising: the adsorption rod group A, the partition plate group B, the shell group C, the shaft 1, the motor 2, the desorption detection device, the cleaning device and the drying device;
the shell group C is a shell, the upper part of the shell group C is a semicircular part 19 and the lower part of the shell group C is a rectangular part 18 or 180-240 DEG arc; the outer circumference of the semicircular part 19 and two ends of the rectangular part 18 are closed, and the lower end of the rectangular part 18 is open;
the shell C fixed by the partition plate group B is distributed in a fan shape and is divided into four chambers; a desorption detection cavity is formed between the partition board I12 and the partition board II 13, a cleaning cavity is formed between the partition board II 13 and the partition board III 14, and an adsorption sampling cavity is formed between the partition board I12 and the partition board IV 15;
each baffle is provided with a groove for the adsorption rod to pass through;
the periphery of the semicircular part 19 is provided with an interface, and an interface I20, an interface II 21 and an interface III 22 are respectively arranged in the desorption detection cavity, the cleaning cavity and the drying cavity and are connected with a desorption detection device, a cleaning device and a drying device;
the shell group C is a shell, the upper part of the shell group C is a semicircular part 19 and the lower part of the shell group C is a rectangular part 18 or 180-240 DEG arc; the outer circumference of the semicircular part 19 and two ends of the rectangular part 18 are closed, and the lower end of the rectangular part 18 is open;
the shell C fixed by the partition plate group B is distributed in a fan shape and is divided into four chambers; a desorption detection cavity is formed between the partition board I12 and the partition board II 13, a cleaning cavity is formed between the partition board II 13 and the partition board III 14, and an adsorption sampling cavity is formed between the partition board I12 and the partition board IV 15;
each baffle is provided with a groove for the adsorption rod to pass through;
the periphery of the semicircular part 19 is provided with an interface, and an interface I20, an interface II 21 and an interface III 22 are respectively arranged in the desorption detection cavity, the cleaning cavity and the drying cavity and are connected with a desorption detection device, a cleaning device and a drying device;
the adsorption rod group A is four adsorption rods, the adsorption rods are fixed on the shaft 1 through connecting rods, the included angle between the adsorption rods is a right angle, and the shaft 1 is connected with the shell C in a shaft way and is connected with the motor 2;
the adsorption rod is a cylindrical shell, an adsorbent 9 is placed in the shell, a plurality of layers of hemispherical turbulent flow bags 11 are arranged on the shell, and a through hole 10 is formed in the center of each turbulent flow bag;
the diameter d1 of the adsorption rod is 10-20mm, the height h1 is 50-100mm, 900 hemispherical turbulent flow bags 11 are arranged on the shell, 30 layers are uniformly distributed from top to bottom, 30 layers of turbulent flow bags are uniformly distributed on the outer surface of each layer, the turbulent flow bags 11 of two adjacent layers are not staggered, and the distance L1 between every two layers is 20-30mm; the turbulent flow bag 11 is a hemisphere with the diameter d3 of 5-6mm, and the diameter d2 of the through hole 10 is 3-4mm;
the adsorption rod group A is driven to rotate by a motor 2 through a shaft 1, and each time the adsorption rod group A rotates by 90 degrees;
the included angle between the partition board I12 and the partition board II 13 is 60-70 degrees; the included angle between the partition II 13 and the partition III 14 is 90 degrees; the included angle between the partition III 14 and the partition IV 15 is 60-70 degrees;
each partition plate is a rectangular plate with the width L2 of 40mm and the length L3 of 80-160mm, a rectangular groove I16 with the width L6 of 8-16mm and the length L7 of 13-28mm and a rectangular groove II 17 with the width L4 of 14-24mm and the length L5 of 54-104mm are arranged from bottom to top.
The invention provides a heavy metal detection device for oilfield produced water quality, which consists of an adsorption rod group A, a partition plate group B, a shell group C, a shaft 1 and a motor 2, wherein the adsorption rod group A is driven to rotate by the motor 2 through the shaft 1, and rotates once every 30 minutes and 90 degrees every time; the partition board group B is fixedly connected with the shell C, and four chambers are formed in the shell C; the device performs measurement after enrichment sampling of metal ions through the adsorption device, so that the concentration lower limit of the measured object can be improved, and the detection precision is improved; the turbulent flow packet changes the fluid flow field, so that the adsorption efficiency is improved; four adsorption rods simultaneously and continuously carry out four processes, and the four processes of adsorption sampling, desorption detection, cleaning and drying are integrated and carried out simultaneously, so that the average detection time is shortened, and the detection efficiency is remarkably improved.
Drawings
FIG. 1 is a schematic diagram of a water quality heavy metal detection device with a half cover plate cut off;
FIG. 2 is a front view of an adsorption rod assembly;
FIG. 3 is a schematic cross-sectional view of section a-a of FIG. 2;
FIG. 4 is a front view of a baffle plate assembly;
FIG. 5 is a front view of a separator plate;
FIG. 6 is a front view of the housing set;
fig. 7 is a top view of the housing set.
Wherein: A. the adsorption rod assembly, the baffle plate assembly, the shell assembly, the shaft assembly, the motor assembly, the adsorption rod I, the adsorption rod II, the adsorption rod III, the adsorption rod IV, the adsorption rod 7, the connecting rod II, the connecting rod 8.I, the adsorbent, the through hole 10, the turbulent flow bag 11, the baffle plate I, the baffle plate II, the baffle plate III, the baffle plate IV, the baffle plate 16, the rectangular groove I, the rectangular groove II, the rectangular groove 18, the rectangular part 19, the semicircular part 20, the interface I21, the interface II and the interface III.
Description of the embodiments
Example 1 an oilfield produced water quality heavy metal detection device
As shown in figure 1, the heavy metal detection device for the quality of oilfield produced water consists of an adsorption rod group A, a baffle plate group B, a shell group C, a shaft 1 and a motor 2, wherein the adsorption rod group A is driven to rotate by the motor 2 through the shaft 1, the adsorption rod group A rotates for 90 degrees once every 30 minutes, the baffle plate group B is fixedly connected with the shell C, and four chambers are formed in the shell C.
As shown in fig. 2 and 3, the adsorption rod group a is composed of an adsorption rod i 3, an adsorption rod II4, an adsorption rod III5, an adsorption rod 6, a connecting rod II7 and a connecting rod III8, wherein the adsorption rod i 3 and the adsorption rod III5 are connected through the connecting rod III8, the adsorption rod II4 and the adsorption rod IV 6 are connected through the connecting rod II7, and the connecting rod II7 and the connecting rod III8 are vertically consolidated;
the adsorption rod is a cylindrical shell with the diameter d1 of 10-20mm and the height h1 of 50-100mm, and the adsorbent 9 is placed in the shell, so that the adsorption of heavy metals to be sampled can be realized. The shell is provided with 900 hemispherical turbulent flow bags 11, 30 layers are uniformly arranged from top to bottom, 30 layers of turbulent flow bags are uniformly distributed on the outer surface of each layer, the turbulent flow bags 11 of two adjacent layers are not arranged in a staggered manner, and the interval L1 between every two layers is 20-30mm; the turbulent flow package 11 is the hemisphere that diameter d3 is 5-6mm, and every turbulent flow package center sets up circular through-hole 10, and the diameter d2 of through-hole 10 is 3-4mm.
As shown in fig. 4 and 5, the partition board group B is composed of a partition board i 12, a partition board II 13, a partition board III 14 and a partition board IV 15, the four partition boards point to the same center of circle and coincide with the center of the adsorption rod group a, the included angle between the partition board i 12 and the partition board II 13 is 60-70 degrees, a desorption detection cavity is formed, the included angle between the partition board II 13 and the partition board III 14 is 90 degrees, a cleaning cavity is formed, the included angle between the partition board III 14 and the partition board IV 15 is 60-70 degrees, a drying cavity is formed, and the partition board i 12 and the partition board IV 15 form an adsorption sampling cavity;
each partition plate is a rectangular plate with the width L2 of 40mm and the length L3 of 80-160mm, a rectangular groove I16 with the width L6 of 8-16mm and the length L7 of 13-28mm and a rectangular groove II 17 with the width L4 of 14-24mm and the length L5 of 54-104mm are arranged from bottom to top.
As shown in fig. 6 and 7, the casing group C is composed of a rectangular part 18, a semicircular part 19, an interface i 20, an interface II 21 and an interface III 22, wherein the rectangular part 18 is a rectangular casing with a width L8 of 40mm, a length L9 of 160-320mm, a height h3 of 40mm, the semicircular part 19 is a semicircular casing with a radius R1 of 80-160mm, the width L8 is 40mm, the semicircular outer circumference is closed, the interface i 20, the interface II 21 and the interface III 22 are cylinders with a diameter d4 of 5mm, and the height h3 is 8-10mm, and the cylinders are distributed on the outer circumference of the semicircular part 19 and communicated with the inner cavity of the casing and are respectively positioned on the middle lines of the desorption detection cavity, the cleaning cavity and the drying cavity and are respectively connected with an external desorption detection device, a cleaning device and a drying device.
All the wall thicknesses of the shells are 2-3mm.
The working process of the invention is as follows: the detection device is placed on a flowing water surface containing metal ions, an adsorption rod is immersed in water, a turbulent flow bag disturbs a water flow field to generate a flow field beneficial to adsorption, and the adsorption rod placed in the water carries out an adsorption process on the metal ions; when the adsorption process is completed and the motor drives the adsorption rod to rotate 90 degrees, the adsorption rod after adsorption enters a desorption detection process, and meanwhile, the next adsorption rod placed in water enters the adsorption process; after the desorption detection process is finished, the motor drives the adsorption rod to rotate 90 degrees, and the adsorption rod enters the cleaning process; after the cleaning and measuring process is finished, the motor drives the adsorption rod to rotate 90 degrees, the adsorption rod enters the drying process, the motor drives the adsorption rod to rotate again for 90 degrees, and the dried adsorption rod is immersed in water to adsorb metal ions, and the adsorption rod is circularly reciprocated and is detected at fixed time.
The invention adopts the method of adsorption and then desorption detection under the working state, thereby improving the lower concentration limit of the detected object, improving the detection precision, changing the fluid flow field by the turbulent flow packet and improving the adsorption efficiency; four adsorption rods simultaneously and continuously carry out four processes, so that the average detection time is shortened, and the detection efficiency is improved.
Claims (5)
1. An oilfield produced water quality heavy metal detection device, comprising: the device comprises an adsorption rod group (A), a partition plate group (B), a shell group (C), a shaft (1), a motor (2), a desorption detection device, a cleaning device and a drying device;
the shell group (C) is a shell, the upper part of the shell group is a semicircular part (19) and the lower part of the shell group is a rectangular part (18); the outer circumference of the semicircular part (19) and two ends of the rectangular part (18) are closed, and the lower end of the rectangular part (18) is open;
the shell (C) fixed by the partition plate group (B) is distributed in a sector shape and is divided into four chambers; a desorption detection cavity is arranged between the partition board I (12) and the partition board II (13), a cleaning cavity is arranged between the partition board II (13) and the partition board III (14), and an adsorption sampling cavity is arranged between the partition board I (12) and the partition board IV (15);
each baffle is provided with a groove for the adsorption rod to pass through;
the periphery of the semicircular part (19) is provided with an interface, and the interface I (20), the interface II (21) and the interface III (22) are respectively arranged in the desorption detection cavity, the cleaning cavity and the drying cavity and are connected with the desorption detection device, the cleaning device and the drying device;
the adsorption rod group (A) is four adsorption rods, the adsorption rods are fixed on the shaft (1) through connecting rods, the included angle between the adsorption rods is a right angle, and the shaft (1) is in shaft connection with the shell (C) and is connected with the motor (2).
2. The oilfield produced water quality heavy metal detection device according to claim 1, wherein: the adsorption rod is a cylindrical shell, an adsorbent (9) is placed in the shell, a plurality of hemispherical turbulent flow bags (11) are arranged on the shell, and a through hole (10) is formed in the center of each turbulent flow bag.
3. The oilfield produced water quality heavy metal detection device according to claim 1 or 2, wherein: the adsorption rod group (A) is driven to rotate by a motor (2) through a connecting shaft (1), and each time the adsorption rod group rotates by 90 degrees.
4. The oilfield produced water quality heavy metal detection device according to claim 3, wherein: the included angle between the partition board I (12) and the partition board II (13) is 60-70 degrees; the included angle between the baffle II (13) and the baffle III (14) is 90 degrees; the included angle between the baffle III (14) and the baffle IV (15) is 60-70 degrees.
5. The oilfield produced water quality heavy metal detection device according to claim 4, wherein: each partition board is a rectangular plate with the width L (2) of 40mm and the length L (3) of 80-160mm, a rectangular groove I (16) with the width L (6) of 8-16mm and the length L (7) of 13-28mm and a rectangular groove II (17) with the width L (4) of 14-24mm and the length L (5) of 54-104mm are arranged from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810052007.6A CN108061787B (en) | 2018-01-19 | 2018-01-19 | Oilfield produced water quality heavy metal detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810052007.6A CN108061787B (en) | 2018-01-19 | 2018-01-19 | Oilfield produced water quality heavy metal detection device |
Publications (2)
| Publication Number | Publication Date |
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| CN108061787A CN108061787A (en) | 2018-05-22 |
| CN108061787B true CN108061787B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810052007.6A Active CN108061787B (en) | 2018-01-19 | 2018-01-19 | Oilfield produced water quality heavy metal detection device |
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| CN208383865U (en) * | 2018-01-19 | 2019-01-15 | 吉林大学 | A kind of oil field extracted water water quality heavy metal analysis device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517799B (en) * | 2014-12-31 | 2017-09-15 | 同方威视技术股份有限公司 | detection device and detection method |
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2018
- 2018-01-19 CN CN201810052007.6A patent/CN108061787B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6159427A (en) * | 1999-04-19 | 2000-12-12 | Ontario Power Generation Inc. | Apparatus for tritium-in-water monitoring |
| JP2003057249A (en) * | 2001-08-21 | 2003-02-26 | Hitachi Ltd | Stirring device and autoanalyzer using the same |
| KR20090079119A (en) * | 2008-01-16 | 2009-07-21 | 윤양일 | Floating Water Purification System |
| WO2013129741A1 (en) * | 2012-02-27 | 2013-09-06 | 한국수자원공사 | Apparatus for measuring water quality |
| CN105241723A (en) * | 2015-10-27 | 2016-01-13 | 中国科学院生态环境研究中心 | Adsorption rod passive sampler for measuring concentrations of water pollutants |
| CN106168547A (en) * | 2016-10-08 | 2016-11-30 | 吉林大学 | A kind of bionical gas absorption sampling apparatus |
| CN107543937A (en) * | 2017-09-12 | 2018-01-05 | 安徽八百通物联网科技有限公司 | A kind of water supply detection means based on Internet of Things |
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| CN208383865U (en) * | 2018-01-19 | 2019-01-15 | 吉林大学 | A kind of oil field extracted water water quality heavy metal analysis device |
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| CN108061787A (en) | 2018-05-22 |
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