CN113716706B - Scale inhibition effect detecting system - Google Patents
Scale inhibition effect detecting system Download PDFInfo
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- CN113716706B CN113716706B CN202010446394.9A CN202010446394A CN113716706B CN 113716706 B CN113716706 B CN 113716706B CN 202010446394 A CN202010446394 A CN 202010446394A CN 113716706 B CN113716706 B CN 113716706B
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- 230000000694 effects Effects 0.000 title claims abstract description 33
- 230000005764 inhibitory process Effects 0.000 title claims abstract description 33
- 239000002455 scale inhibitor Substances 0.000 claims abstract description 87
- 238000002360 preparation method Methods 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 239000011521 glass Substances 0.000 claims abstract description 19
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 42
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 7
- 238000009530 blood pressure measurement Methods 0.000 claims description 5
- 238000009529 body temperature measurement Methods 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 2
- 238000007872 degassing Methods 0.000 claims description 2
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 85
- 238000002474 experimental method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 241001494479 Pecora Species 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
-
- 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
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- Chemical & Material Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Water Supply & Treatment (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Volume Flow (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention discloses a scale inhibition effect detection system, which relates to the technical field of underground geothermal scale inhibition, and comprises the following components: a solution preparing container; one end of the circulating pipeline is connected with the solution preparation container, the other end of the circulating pipeline is connected with a tee pipe fitting, and one end of the tee pipe fitting is connected with the solution preparation container; the scale inhibitor filling device is communicated with the circulating pipeline and is used for filling the scale inhibitor into the circulating pipeline; the observation device comprises a scaling container connected with the other end of the three-way pipe fitting, and a first sight glass is arranged on the scaling container; the system is provided with the solution configuration container, can simulate the components of the actual geothermal water, can conveniently observe the scale formation in the scale formation container and the effect after the scale inhibitor is filled through the observation device and the scale inhibitor filling device, detects the effect of the scale inhibitor, provides technical support for field application, saves the field scale inhibition time, and reduces the property consumption.
Description
Technical Field
The invention belongs to the technical field of underground geothermal scale inhibition, and particularly relates to a scale inhibition effect detection system.
Background
The underground scaling phenomenon exists in the middle-high temperature geothermal heat Tian Daduo put into operation worldwide at present, the geothermal research time is long in countries such as the United states, turkish, philippines, indonesia, new Zealand and Hungary, and the like, and the underground scaling is formed into a set of mature prevention and treatment measures, and most of the underground scaling is solved by adopting an underground scale inhibitor filling mode. The medium and high temperature geothermal resources in China are mainly concentrated in Sichuan, tibetan south and Yunnan west regions, and underground geothermal well scaling phenomena are encountered in developed and developing power stations such as Tibetan sheep eight wells, sheep eases and nadir, and some geothermal wells are forced to be abandoned due to serious scaling, so that great economic loss is caused. At present, a mechanical well dredging method is mainly adopted for solving the scaling problem of the Tibetan sheep eight well, but the method is not thorough in scale removal, and the effective exertion of the geothermal well productivity is limited. Because underground scaling seriously hinders the large-scale exploitation and utilization of geothermal energy in China and the subsequent exploitation of geothermal energy of dry hot rock, the current geothermal exploitation is in urgent need of mature scale prevention and removal technology.
Two key technologies are needed for solving the problem of underground scaling, namely, selecting a proper scale inhibitor; and secondly, a reasonable scale inhibition process is formulated. Before the scale inhibitor is applied to the field, performance tests are carried out in a laboratory to verify and evaluate the scale inhibition effect and applicability of the scale inhibitor, and technical support is provided for the field application. The current scale inhibition effect evaluation device generally has great differences between the evaluation environment and occasion and the practice site, and the detection and evaluation results are inaccurate, so that the scale inhibition effect of the scale inhibitor cannot be truly reflected.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a scale inhibition effect detection system which is provided with a solution configuration container, can simulate the components of actual hot water, can conveniently observe scale in a scale container and the effect of filling the scale inhibitor through an observation device and a scale inhibitor filling device, detects the effect of the scale inhibitor, provides technical support for field application, saves field scale inhibition time and reduces property consumption.
In order to achieve the above object, the present invention provides a scale inhibition effect detection system, comprising:
a solution preparing container;
one end of the circulating pipeline is connected with the solution configuration container, the other end of the circulating pipeline is connected with a tee pipe fitting, and one end of the tee pipe fitting is connected with the solution configuration container;
the scale inhibitor filling device is communicated with the circulating pipeline and is used for filling scale inhibitor into the circulating pipeline;
the observation device comprises a scaling container connected with the other end of the three-way pipe fitting, and a first sight glass is arranged on the scaling container.
Optionally, the upper end of the solution preparation container is provided with a charging port, a first valve is arranged on the charging port, the lower end of the solution preparation container is provided with a solution delivery pipe, a second valve is arranged on the solution delivery pipe, a stirring mechanism is arranged in the solution preparation container, a constant temperature component is arranged on the outer side of the solution preparation container, and a second sight glass is arranged on the outer wall of the solution preparation container.
Optionally, the circulating pipeline is provided with a third valve, a circulating pump, a first flowmeter, a first regulating valve, a second regulating valve, a fourth valve, a fifth valve and a circulating pipeline pressure gauge in sequence along the flowing direction of the solution, and the circulating pipeline between the second regulating valve and the fourth valve is provided with a third sight glass.
Optionally, the temperature and pressure measuring assembly further comprises a temperature and pressure measuring assembly, wherein the temperature and pressure measuring assembly comprises:
a first thermometer and a first pressure gauge disposed on the solution distribution container;
the second thermometer and the second pressure gauge are arranged on a circulating pipeline between the first regulating valve and the second regulating valve;
the third thermometer and the third pressure gauge are arranged on a circulating pipeline between the second regulating valve and the fourth valve;
and the fourth thermometer and the fourth pressure gauge are arranged on a circulating pipeline between the fourth valve and the fifth valve.
Optionally, the three-way pipe fitting is connected with the solution configuration container through a first connecting pipe, a sixth valve is arranged on the first connecting pipe, the three-way pipe fitting is connected with the scaling container through a second connecting pipe, and a seventh valve is arranged on the second connecting pipe.
Optionally, a discharge port is arranged at the lower end of the scaling container, and an eighth valve is arranged on the discharge port.
Optionally, the scale inhibitor filling device comprises:
a scale inhibitor container;
one end of the scale inhibitor pipeline is connected with the scale inhibitor container, and the other end of the scale inhibitor pipeline is connected with the circulating pipeline.
Optionally, a metering pump, a scale inhibitor pressure gauge, a second flowmeter and a ninth valve are sequentially arranged on the scale inhibitor pipeline along the flow direction of the scale inhibitor.
Optionally, the scale inhibitor pipeline is connected with a circulation pipeline between the second regulating valve and the fourth valve.
Optionally, the circulating pipeline and the scale inhibitor pipeline are made of corrosion-resistant pipes.
The invention provides a scale inhibition effect detection system, which has the beneficial effects that:
1. the system is provided with a solution configuration container with a constant temperature component, so that the real geothermal water component can be simulated, and the accuracy of a detection result is improved;
2. the system is provided with a scaling container with a first sight glass, so that scaling conditions in the scaling container and effects after adding a scale inhibitor can be conveniently observed;
3. the system is provided with a temperature and pressure measuring component, and can accurately control the temperature and pressure of different positions in the solution configuration container and the circulating pipeline, so that the detection environment is more similar to the real situation, and the scale inhibition effect obtained on the side of the system can provide scientific basis for field practice.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular descriptions of exemplary embodiments of the invention as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the invention.
Fig. 1 shows a system schematic diagram of a scale inhibition effect detection system according to an embodiment of the present invention.
Reference numerals illustrate:
1. a solution preparing container; 2. a circulation line; 3. a scaling vessel; 4. a first mirror; 5. a feed inlet; 6. a first valve; 7. a solution delivery tube; 8. a second valve; 9. a stirring mechanism; 10. a constant temperature assembly; 11. a second mirror; 12. a third valve; 13. a circulation pump; 14. a first flowmeter; 15. a first regulating valve; 16. a second regulating valve; 17. a fourth valve; 18. a fifth valve; 19. a circulation line pressure gauge; 20. a third mirror; 21. a first thermometer; 22. a first pressure gauge; 23. a second thermometer; 24. a second pressure gauge; 25. a third thermometer; 26. a third pressure gauge; 27. a fourth thermometer; 28. a fourth pressure gauge; 29. a first connection pipe; 30. a sixth valve; 31. a second connection pipe; 32. a seventh valve; 33. a discharge port; 34. an eighth valve; 35. a scale inhibitor container; 36. a scale inhibitor line; 37. a metering pump; 38. a scale inhibitor pressure gauge; 39. a second flowmeter; 40. and a ninth valve.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the preferred embodiments of the present invention are described below, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The invention provides a scale inhibition effect detection system, which comprises:
a solution preparing container;
one end of the circulating pipeline is connected with the solution preparation container, the other end of the circulating pipeline is connected with a tee pipe fitting, and one end of the tee pipe fitting is connected with the solution preparation container;
the scale inhibitor filling device is communicated with the circulating pipeline and is used for filling the scale inhibitor into the circulating pipeline;
the observation device comprises a scaling container connected with the other end of the three-way pipe fitting, and a first sight glass is arranged on the scaling container.
Specifically, geothermal water solution close to a real state can be configured in the solution configuration container, the solution is output through a circulating pipeline, one path of the solution can flow back into the solution configuration container through one end of the three-way pipe fitting to form circulation, so that the solution is stable, the other path of the solution can flow into the scaling container through the other end of the three-way pipe fitting to perform scaling experiments, and scaling conditions can be conveniently observed through the first sight glass; the scale inhibitor filling device can fill the scale inhibitor into the circulating pipeline, then flows into the scale forming container to carry out scale forming experiments, and the scale forming condition is observed again, so that the scale inhibiting effect is analyzed by comparison.
Optionally, the upper end of the solution preparation container is provided with a charging port, the charging port is provided with a first valve, the lower end of the solution preparation container is provided with a solution delivery pipe, the solution delivery pipe is provided with a second valve, a stirring mechanism is arranged in the solution preparation container, the outer side of the solution preparation container is provided with a constant temperature component, and the outer wall of the solution preparation container is provided with a second sight glass.
Specifically, can be to filling solution and be used for adjusting the gaseous phase of solution in the solution configuration container through the charge door, solution delivery tube can derive solution, detects its concentration and composition, judges whether to be close real condition, and rabbling mechanism can make things convenient for solute in the solution to dissolve fast, and the constant temperature subassembly can make the solution keep constant temperature, simulate real environment temperature, can be convenient through the configuration condition of observation solution of second sight glass.
Alternatively, the illustrated thermostatic assembly employs electrical heating, including heating resistors.
Optionally, the circulating pipeline is provided with a third valve, a circulating pump, a first flowmeter, a first regulating valve, a second regulating valve, a fourth valve, a fifth valve and a circulating pipeline pressure gauge in sequence along the flowing direction of the solution, and the circulating pipeline between the second regulating valve and the fourth valve is provided with a third sight glass.
Specifically, the circulating pump can enable the solution flowing out of the solution configuration container to flow in the circulating pipeline, the flow of the solution is measured through the first flowmeter, the first regulating valve and the second regulating valve are easy to regulate and control, the pressure of the solution can be conveniently regulated, and the decompression and degassing process can be simulated; the pressure gauge of the circulating pipeline can detect the pressure in the circulating pipeline, and the fourth valve and the fifth valve can be matched with the first regulating valve and the second regulating valve to detect whether the circulating pipeline is blocked or not when the pressure in the circulating pipeline is abnormal; the third sight glass can observe the injection condition of the scale inhibitor when the scale inhibitor is injected into the section of pipeline.
Optionally, the temperature and pressure measuring assembly further comprises a temperature and pressure measuring assembly, wherein the temperature and pressure measuring assembly comprises:
a first thermometer and a first pressure gauge disposed on the solution distribution container;
the second thermometer and the second pressure gauge are arranged on a circulating pipeline between the first regulating valve and the second regulating valve;
the third thermometer and the third pressure gauge are arranged on a circulating pipeline between the second regulating valve and the fourth valve;
the fourth thermometer and the fourth pressure gauge are arranged on the circulating pipeline between the fourth valve and the fifth valve.
Specifically, the first thermometer and the first pressure gauge can detect the temperature and the pressure in the solution configuration container, simulate the real solution environment, and adjust the heating power of the constant temperature assembly according to the temperature condition monitored by the first thermometer; the second thermometer, the second pressure gauge, the third thermometer, the third pressure gauge, the fourth thermometer and the fourth pressure gauge can respectively detect the temperature and the pressure in different pipe sections of the circulating pipeline, and the pressure in different pipe sections of the circulating pipeline can be regulated through the first control valve and the second control valve according to the detected pressure; meanwhile, the blocking condition in the circulating pipeline is conveniently detected.
Optionally, the three-way pipe fitting is connected with the solution configuration container through a first connecting pipe, a sixth valve is arranged on the first connecting pipe, the three-way pipe fitting is connected with the scaling container through a second connecting pipe, and a seventh valve is arranged on the second connecting pipe.
Specifically, the opening and closing of the sixth valve and the seventh valve can control the flow direction of the solution in the circulation pipeline.
Optionally, a discharge hole is formed in the lower end of the scaling container, and an eighth valve is arranged on the discharge hole.
Specifically, the solution in the scaling container can be led out through the arrangement of the discharge hole, the solution can be detected, and the scaling condition is judged through the analysis of components; the device can also be used as a sewage outlet after a scaling experiment.
Optionally, the scale inhibitor filling device comprises:
a scale inhibitor container;
one end of the scale inhibitor pipeline is connected with the scale inhibitor container, and the other end is connected with the circulating pipeline.
Specifically, the scale inhibitor container is used for containing scale inhibitor, and the scale inhibitor can flow into the circulating pipeline through the scale inhibitor pipeline to be mixed with the solution in the circulating pipeline, so that the scale inhibitor can flow into the scale container for scale experiment.
Optionally, a metering pump, a scale inhibitor pressure gauge, a second flowmeter and a ninth valve are sequentially arranged on the scale inhibitor pipeline along the flow direction of the scale inhibitor.
Specifically, the metering pump can guide out the scale inhibitor in the scale inhibitor container into the circulating pipeline, and measure the quantity of the injected scale inhibitor, and the second flowmeter can measure the flow of the scale inhibitor, and can control whether the scale inhibitor is injected or not through opening and closing of the ninth valve.
Optionally, the scale inhibitor line is connected to a circulation line between the second regulator valve and the fourth valve.
Optionally, the circulating pipeline and the scale inhibitor pipeline are made of corrosion-resistant pipes.
Specifically, the circulating pipeline and the scale inhibition pipeline can be PE pipes, PVC pipes, PPR pipes or stainless steel pipes.
Examples
As shown in fig. 1, the present invention provides a scale inhibition effect detection system, comprising:
a solution preparing container 1;
one end of the circulating pipeline 2 is connected with the solution configuration container 1, the other end of the circulating pipeline is connected with a three-way pipe fitting, and one end of the three-way pipe fitting is connected with the solution configuration container 1;
the scale inhibitor filling device is communicated with the circulating pipeline 2 and is used for filling scale inhibitor into the circulating pipeline 2;
the observation device comprises a scaling container 3 connected with the other end of the three-way pipe fitting, and a first sight glass 4 is arranged on the scaling container 3.
In this embodiment, a feed port 5 is disposed at the upper end of the solution preparing vessel 1, a first valve 6 is disposed on the feed port 5, a solution delivery pipe 7 is disposed at the lower end of the solution preparing vessel 1, a second valve 8 is disposed on the solution delivery pipe 7, a stirring mechanism 9 is disposed in the solution preparing vessel 1, a constant temperature component 10 is disposed outside the solution preparing vessel 1, and a second sight glass 11 is disposed on the outer wall of the solution preparing vessel 1.
In this embodiment, a third valve 12, a circulation pump 13, a first flowmeter 14, a first regulating valve 15, a second regulating valve 16, a fourth valve 17, a fifth valve 18 and a circulation line pressure gauge 19 are sequentially arranged on the circulation line 2 along the flow direction of the solution, and a third sight glass 20 is arranged on the circulation line 2 between the second regulating valve 16 and the fourth valve 17.
In this embodiment, further comprising a temperature and pressure measurement assembly, the temperature and pressure measurement assembly comprising:
a first thermometer 21 and a first pressure gauge 22 provided on the solution preparing vessel 1;
a second thermometer 23 and a second pressure gauge 24, which are arranged on the circulation line 2 between the first regulating valve 15 and the second regulating valve 16;
a third thermometer 25 and a third pressure gauge 26, which are arranged on the circulation line 2 between the second regulating valve 16 and the fourth valve 17;
a fourth thermometer 27 and a fourth pressure gauge 28 are arranged on the circulation line 2 between the fourth valve 17 and the fifth valve 18.
In this embodiment, the three-way pipe fitting is connected to the solution configuring container 1 through a first connecting pipe 29, a sixth valve 30 is provided on the first connecting pipe 29, the three-way pipe fitting is connected to the scaling container 3 through a second connecting pipe 31, and a seventh valve 32 is provided on the second connecting pipe 31.
In this embodiment, a discharge port 33 is provided at the lower end of the scaling vessel 3, and an eighth valve 34 is provided on the discharge port 33.
In this embodiment, the scale inhibitor filling apparatus includes:
a scale inhibitor container 35;
the scale inhibitor pipe 36 has one end connected to the scale inhibitor container 35 and the other end connected to the circulation pipe 2.
In the present embodiment, a metering pump 37, a scale inhibitor pressure gauge 38, a second flowmeter 39, and a ninth valve 40 are provided in this order on the scale inhibitor line 36 in the flow direction of the scale inhibitor.
In this embodiment, the scale inhibitor line 36 is connected to the circulation line 2 between the second regulating valve 16 and the fourth valve 17.
In this embodiment, the circulation line 2 and the scale inhibitor line 36 are made of corrosion-resistant pipes.
In summary, when the scale inhibition effect detection system provided by the invention is used for testing the scale formation condition under the working condition that a scale inhibitor is not added, the constant temperature assembly 10 is started, the temperature is set, and the calcium carbonate solution is injected into the solution preparation container 1 through the feed inlet 5, so that the solution is supersaturated and calcium carbonate is precipitated. Then, the gas component is filled into the solution preparing container 1 through the charging port 5, and the stirring mechanism 9 is started to completely dissolve the precipitated calcium carbonate. The second valve 8 is opened and the composition of the test solution is sampled through the solution delivery line 7. The ninth valve 40 is kept closed, the fourth valve 17 and the fifth valve 18 are opened, the third valve 12 and the seventh valve 32 are opened, the circulating pump 13 is started, the opening degree of the first regulating valve 15 and the second regulating valve 16 is regulated, the solution flows into the scaling container 3 through the circulating pipeline 2, and the scaling condition of the solution under the working condition of not adding the scale inhibitor can be observed through the first sight glass 4. Meanwhile, after the system is balanced, an eighth valve 34 is opened, sampling is carried out through a discharge hole 33, and the components and the concentration of the solution are tested. The degree of scaling was calculated by comparison with the composition of the solution in the solution distribution vessel 1.
When the system is used for testing the performance of the scale inhibitor, the second valve 8 and the eighth valve 34 are opened, the solution in the solution preparation container 1 and the scaling container 3 is emptied through the solution delivery pipe 7 and the discharge hole 33, scaling is cleaned, and the system is vacuumized. The solution was reconstituted according to the procedure under which no scale inhibitor was injected, during the test, the ninth valve 40 was opened, the metering pump 37 was opened, and the scale inhibitor was injected into the circulation line 2. The scaling condition was observed in the scaling vessel 3, and the components of the solution were sampled and detected from the discharge port 33, and the scaling condition and the scale inhibiting effect were evaluated. The type and the dosage of the scale inhibitor are changed, and the steps are repeated, so that the performances and the scale inhibition effects of different scale inhibitors can be inspected.
According to the scale inhibition effect detection system, components of actual geothermal water are simulated through the solution configuration container 1, scale formation in the scale formation container 3 and the effect after the scale inhibitor is filled can be conveniently observed through the observation device and the scale inhibitor filling device, the effect of the scale inhibitor is detected, technical support is provided for field application, meanwhile, the field scale inhibition time is saved, and the property consumption is reduced.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (9)
1. A scale inhibition effect detection system, comprising:
a solution preparation container capable of simulating the composition of real hot water;
one end of the circulating pipeline is connected with the solution configuration container, the other end of the circulating pipeline is connected with a tee pipe fitting, and one end of the tee pipe fitting is connected with the solution configuration container;
the scale inhibitor filling device is communicated with the circulating pipeline and is used for filling scale inhibitor into the circulating pipeline;
the observation device comprises a scaling container connected with the other end of the three-way pipe fitting, and a first sight glass is arranged on the scaling container;
the upper end of the solution preparation container is provided with a charging port, solution and gas phase for regulating the solution can be filled into the solution preparation container through the charging port, the charging port is provided with a first valve, the lower end of the solution preparation container is provided with a solution delivery pipe, the solution delivery pipe is provided with a second valve, the solution preparation container is internally provided with a stirring mechanism, the outer side of the solution preparation container is provided with a constant temperature component, the outer wall of the solution preparation container is provided with a second sight glass, and the solution preparation condition can be conveniently observed through the second sight glass;
the calcium carbonate solution can be injected into the solution preparation container through the feeding port, so that the solution is supersaturated, calcium carbonate is precipitated, the gas component is filled into the solution preparation container through the feeding port, and the stirring mechanism is started, so that the precipitated calcium carbonate can be completely dissolved;
still include temperature and pressure measurement subassembly, temperature and pressure measurement subassembly includes: a first thermometer and a first pressure gauge disposed on the solution distribution container;
the circulating pipeline is provided with a circulating pump, a first regulating valve and a second regulating valve, and the first regulating valve and the second regulating valve can conveniently regulate the pressure of the solution and simulate the decompression and degassing process.
2. The scale inhibition effect detection system according to claim 1, wherein a third valve, the circulating pump, a first flowmeter, the first regulating valve, the second regulating valve, a fourth valve, a fifth valve and a circulating pipeline pressure gauge are sequentially arranged on the circulating pipeline along the flowing direction of the solution, and a third sight glass is arranged on the circulating pipeline between the second regulating valve and the fourth valve.
3. The scale inhibition effect detection system of claim 2, wherein the temperature and pressure measurement assembly further comprises:
the second thermometer and the second pressure gauge are arranged on a circulating pipeline between the first regulating valve and the second regulating valve;
the third thermometer and the third pressure gauge are arranged on a circulating pipeline between the second regulating valve and the fourth valve;
and the fourth thermometer and the fourth pressure gauge are arranged on a circulating pipeline between the fourth valve and the fifth valve.
4. The scale inhibition effect detection system according to claim 1, wherein the three-way pipe fitting is connected with the solution configuration container through a first connecting pipe, a sixth valve is provided on the first connecting pipe, the three-way pipe fitting is connected with the scale formation container through a second connecting pipe, and a seventh valve is provided on the second connecting pipe.
5. The scale inhibition effect detection system according to claim 1, wherein a discharge port is arranged at the lower end of the scale formation container, and an eighth valve is arranged on the discharge port.
6. The scale inhibition effect detection system of claim 2, wherein the scale inhibitor filling device comprises:
a scale inhibitor container;
one end of the scale inhibitor pipeline is connected with the scale inhibitor container, and the other end of the scale inhibitor pipeline is connected with the circulating pipeline.
7. The scale inhibition effect detection system according to claim 6, wherein a metering pump, a scale inhibitor pressure gauge, a second flowmeter and a ninth valve are sequentially arranged on the scale inhibitor pipeline along the flow direction of the scale inhibitor.
8. The scale inhibition effect detection system of claim 6, wherein the scale inhibitor line is connected to a circulation line between the second and fourth valves.
9. The scale inhibition effect detection system of claim 6, wherein the circulation line and the scale inhibitor line are made of corrosion resistant tubing.
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| CN202010446394.9A CN113716706B (en) | 2020-05-25 | 2020-05-25 | Scale inhibition effect detecting system |
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| CN104316647A (en) * | 2014-10-11 | 2015-01-28 | 中国石油天然气股份有限公司 | Testing device and method for simulating scaling |
| CN107014972A (en) * | 2017-05-23 | 2017-08-04 | 青岛科技大学 | The experimental system of GEOTHERMAL WATER dynamic scale formation trend analysis |
| CN108843314A (en) * | 2018-07-02 | 2018-11-20 | 中国石油大学(华东) | Experimental provision and method for the evaluation of water-producing gas well pit shaft fouling risk |
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