CN215180061U - A analogue means for pipeline chemical stability test - Google Patents
A analogue means for pipeline chemical stability test Download PDFInfo
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- CN215180061U CN215180061U CN202121458654.0U CN202121458654U CN215180061U CN 215180061 U CN215180061 U CN 215180061U CN 202121458654 U CN202121458654 U CN 202121458654U CN 215180061 U CN215180061 U CN 215180061U
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- secondary reactor
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- 239000000126 substance Substances 0.000 title claims abstract description 28
- 238000013112 stability test Methods 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 22
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- 238000004088 simulation Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 15
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
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- 238000012430 stability testing Methods 0.000 claims description 3
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Abstract
The utility model discloses a analogue means for pipeline chemical stability test, it includes: the system comprises a main reactor, a first peristaltic pump, a first water pipe, at least one secondary reactor component, a stirrer and a heater; the main reactor is provided with a liquid inlet and a liquid outlet, the liquid inlet is connected with the first peristaltic pump through a first water pipe, and the liquid outlet is connected with the secondary reactor component; the stirrer and the heater are arranged in the main reactor; each secondary reactor assembly comprises: the device comprises a secondary reactor, a rotation control device, a hanging piece rack, a plurality of hanging pieces, a second peristaltic pump and a second water pipe, wherein the secondary reactor is communicated with a corresponding liquid outlet on the main reactor through the second peristaltic pump and the second water pipe, the hanging piece rack is arranged in the secondary reactor, the hanging pieces are arranged on the hanging piece rack, and the rotation control device is connected with the hanging piece rack and used for controlling the rotation of the hanging pieces. The utility model discloses an analogue means can simulate the chemical stability change of research pipe network water delivery in-process, has and reduces experimental error, improves advantages such as reaction rate.
Description
Technical Field
The utility model relates to an environmental science and technical field especially relate to a analogue means for pipeline chemical stability tests.
Background
The acceleration of urbanization construction process is often along with the scale enlargement of water supply and drainage pipe network, the water and the mutual action of pipeline can always be involved in running water, recycled water, the heat supply water and other quality of water transportation processes, thereby lead to the chemical stability change of pipeline, the change of chemical stability indicates that pipe network water is in the water delivery and distribution process, take place the reaction between various compounds in aquatic or between compound and the pipeline inner wall, make pipe network water quality deteriorate and pipeline inner wall scale deposit or corruption, there is the research to show, different water delivery speed, different water conservancy dwell time, all can exert an influence to chemical stability. In order to meet the requirements of water users, the pipe network needs to be reasonably designed to improve chemical stability and reduce the occurrence of 'yellow water' at the water users, corrosion of pipe network pipelines, improper concentration of outlet water disinfectant and the like.
The existing pipeline simulation research device mainly comprises two types of reactors, wherein the first type is to reduce the length of a pipeline and simplify the structure of a pipe network and enable water quality to flow in a miniature pipe network, but the device has the defects of large floor area, large water consumption, difficulty in reduction simulation under hydraulic conditions and the like, and the second type is an annular reactor, hanging pieces are inserted into a rotating hanging piece guide groove, and the shearing force of the pipe network is simulated by adjusting the rotating speed of a rotor, so that the interaction between the water quality and the pipe network is researched, but the annular reactor has the water quality conditions that the temperature, the pH, the dissolved oxygen and the like cannot be adjusted, and the influence of different pipes on the water quality cannot be researched simultaneously.
SUMMERY OF THE UTILITY MODEL
In order to compensate for the deficiencies of the prior art, the utility model provides a simulation device for pipeline chemical stability tests.
The technical problem of the utility model is solved through following technical scheme:
a simulator for chemical stability testing of pipes, comprising: the system comprises a main reactor, a first peristaltic pump, a first water pipe, at least one secondary reactor component, a stirrer and a heater; the main reactor is provided with a liquid inlet and at least one liquid outlet corresponding to the number of the secondary reactor components, the liquid inlet is connected with the first peristaltic pump through the first water pipe, and the liquid outlet is connected with the secondary reactor components; the stirrer and the heater are arranged in the main reactor; each of the secondary reactor assemblies comprises: inferior reactor, rotation control device, lacing film frame, a plurality of lacing film, second peristaltic pump and second water pipe, inferior reactor passes through the second peristaltic pump with the second water pipe with corresponding liquid outlet intercommunication on the main reactor, the lacing film frame set up in the inferior reactor, the lacing film is arranged in on the lacing film frame, rotation control device with the lacing film frame is connected in order to be used for control the lacing film frame with the lacing film is whole rotatory.
Preferably, the volume of the secondary reactor is less than the volume of the primary reactor.
Preferably, at least one of the following is also provided within the main reactor: a pH detector, a dissolved oxygen detector, a microorganism detector and an oxidation-reduction potential detector.
Preferably, the main reactor is also provided with a dosing port.
Preferably, the agitator with the heater is structure as an organic whole, and this structure as an organic whole includes heating rod, temperature display and regulation screen and stirring rake, temperature display and regulation screen are connected the upper end of heating rod for evenly control the temperature steadily, the stirring rake is connected the lower extreme of heating rod.
Preferably, the rotation control device comprises a rotation control motor and a speed regulating button connected with the rotation control motor.
Preferably, the number of the secondary reactor assemblies is three, and the secondary reactor assemblies are used for testing the chemical stability of water quality under different pipeline water delivery states.
Preferably, the primary reactor and the secondary reactor are both cylindrical.
Preferably, the secondary reactor is further provided with at least one of: a pH detector, a dissolved oxygen detector, a microorganism detector, an oxidation-reduction potential detector, a heating device and a dosing port.
The utility model discloses beneficial effect with the prior art contrast includes:
the utility model discloses a chemical stability that analogue means can simulate the research pipe network water delivery in-process changes, particularly, can control the water quality of intaking the same chemical stability who studies quality of water under the different pipeline water delivery states changes, has reduced the error of experiment, has improved reaction rate.
Drawings
Fig. 1 is a schematic structural diagram of an extraction device for micro-plastic in soil/sediment in an embodiment of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings and preferred embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that the terms of orientation such as left, right, up, down, top and bottom in the present embodiment are only relative concepts to each other or are referred to the normal use state of the product, and should not be considered as limiting.
Those skilled in the art will understand the present invention by referring to the following detailed description in conjunction with the accompanying drawings, it being noted that specific elements in the drawings are not drawn to scale in order to make the reader readily understand and concise. In addition, the number and size of the elements in the drawings are merely illustrative and are not intended to limit the scope of the present invention.
Although the present disclosure uses the terms first, second, third, etc. to describe various elements, etc., it should be understood that these elements should not be limited by such terms. The term "comprises/comprising" when used in this specification is taken to specify the presence of stated features, integers, steps, operations, elements, components, and/or steps, but does not preclude the presence or addition of one or more other features, integers, steps, operations, components, and/or groups thereof. Thus, the first element, component, etc. discussed below can also be represented by the second element, etc. without departing from the scope of embodiments of the invention.
As shown in fig. 1, a simulation apparatus for chemical stability test of a pipeline includes: the integrative device of main reactor 8, first peristaltic pump 3, first water pipe 9, at least one secondary reactor subassembly, stirring heating, wherein:
the main reactor 8 is provided with a liquid inlet 81 and at least one liquid outlet 82 corresponding to the number of the secondary reactor components, the liquid inlet 81 is connected with the first peristaltic pump 3 through a first water pipe 9, and the liquid outlet 82 is connected with the secondary reactor components. At least one of the following is also provided within the main reactor: a pH detector, a dissolved oxygen detector, a microorganism detector, and an oxidation-reduction potential detector, for example, as shown in fig. 1, reference numeral 2 may denote a multifunctional probe and a display screen for pH, dissolved oxygen, oxidation-reduction potential, and the like. The main reactor is also provided with a dosing port 4. Stirring and heating integrated device includes heating rod 1, temperature display and regulation screen 10 and stirring rake 11, and temperature display and regulation screen 10 are connected in heating rod 1's upper end for evenly control the temperature steadily, and stirring rake 11 is connected at heating rod 1's lower extreme, and heating rod and stirring rake all are located the main reactor.
Each of the secondary reactor assemblies comprises: inferior reactor 12, rotation control device 7, lacing film frame 5, a plurality of lacing film 6, second peristaltic pump 13 and second water pipe 14, inferior reactor 12 is through second peristaltic pump 13 and second water pipe 14 and the corresponding liquid outlet 82 intercommunication on the main reactor 8, lacing film frame 5 sets up in inferior reactor 12, lacing film 5 is arranged in on lacing film frame 5, rotation control device 7 is connected with lacing film frame 5 and is used for controlling the lacing film frame rotatory thereby to drive the lacing film rotatory together, in an example, be equipped with a plurality of draw-in grooves that correspond with lacing film quantity on lacing film frame 5, the lacing film inserts in the corresponding draw-in groove. In this case, there are three secondary reactor assemblies for chemical stability testing of water quality in different pipe water delivery states, correspondingly, there are three second peristaltic pumps, three second water pipes, three liquid outlets, and the volume of the secondary reactor is smaller than that of the primary reactor. In this example, the rotation control device includes a rotation control motor and a throttle button connected to the rotation control motor.
In this example, the primary and secondary reactors are cylindrical.
By utilizing the simulation device, the influence change of the switching of different pipes, different hydraulic retention time, different simulation flow rates, shearing force and the like on the chemical stability of the water quality can be researched under the condition of the same inflow water quality. After entering a main reactor 8 through a first peristaltic pump 3, a water sample is uniformly heated to a set temperature through stirring water flow, and then enters different secondary reactors through different second peristaltic pumps, wherein the volumes of the main reactor, the secondary reactors and each secondary reactor can be the same or different, and in the example of fig. 1, the volumes of the three secondary reactors are designed to be the same and smaller than the volume of the main reactor. The different secondary reactors are different in water quality or different in test conditions set in the secondary reactors so as to perform simulation test on the chemical stability of the water quality in different pipeline water delivery states. And collecting a water sample and detecting the change of chemical stability by adjusting factors such as the speed of the second peristaltic pump, a hanging piece pipe in the secondary reactor, the hydraulic retention time and the like to obtain the optimal design state of the secondary reactor. At least one of detectors such as pH, dissolved oxygen, microorganisms and the like can be arranged in the main reactor and each secondary reactor to monitor the reaction working condition of the reactors in real time, and in addition, the secondary reactors can also be provided with a heating device, a dosing port and the like according to the requirements so as to further increase the influence of regulating temperature, medicament change and the like on the chemical stability in the secondary reactors.
The following three examples illustrate the chemical stability test performed with the simulator:
example 1: the main reactor is internally controlled with certain water temperature and drug adding amount, three groups of different second peristaltic pump flow rates are set, and the influence of different hydraulic retention time on the chemical stability of water quality under the same hanging piece material is researched.
Example 2: the main reactor is internally provided with a certain water temperature and a certain chemical dosage, three groups of different hanging piece materials are arranged, and the influence of different pipe network pipes on the chemical stability of water quality under the same hydraulic condition is researched.
Example 3: three groups of different dosing concentrations are arranged in the main reactor, sequentially enter the following three secondary reactors from low to high through three second peristaltic pumps, and rotate for a certain time to study the influence on the corrosion of the pipe under the water quality with different reagent concentrations.
The parallel experiment for researching corrosion can achieve the analysis purpose by calculating a chemical stability constant and a corrosion rate and combining instrument methods such as an electrochemical workstation, an SEM, an EDS and a Fourier infrared tester.
The embodiment of the utility model has the following advantage:
(1) the simulator can regulate temperature, pH value, medicine adding amount, etc. and has easy-to-control reaction condition.
(2) The simulation device can reduce experimental errors and improve accuracy by switching reaction conditions such as hanging piece materials, hydraulic retention time, hanging piece rotating speed and the like under the condition that the water inlet quality condition is completely consistent with the water temperature.
(3) A plurality of secondary reactors can be connected simultaneously, for example, three small secondary reactors are connected in the embodiment, parallel experiments can be carried out simultaneously, and the reaction efficiency is improved.
(4) The simulation device has simple principle and stable operation, can continuously work and stably control the temperature for a long time, and is very important for chemical stability change experiments which can research results for a long time.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the technical field of the utility model belongs to the prerequisite of not deviating from the utility model discloses, can also make a plurality of equal substitution or obvious variants, performance or usage are the same moreover, all should regard as belonging to the utility model's scope of protection.
Claims (9)
1. A simulation device for testing chemical stability of a pipeline is characterized by comprising: the system comprises a main reactor, a first peristaltic pump, a first water pipe, at least one secondary reactor component, a stirrer and a heater;
the main reactor is provided with a liquid inlet and at least one liquid outlet corresponding to the number of the secondary reactor components, the liquid inlet is connected with the first peristaltic pump through the first water pipe, and the liquid outlet is connected with the secondary reactor components;
the stirrer and the heater are arranged in the main reactor;
each of the secondary reactor assemblies comprises: inferior reactor, rotation control device, lacing film frame, a plurality of lacing film, second peristaltic pump and second water pipe, inferior reactor passes through the second peristaltic pump with the second water pipe with corresponding liquid outlet intercommunication on the main reactor, the lacing film frame set up in the inferior reactor, the lacing film is arranged in on the lacing film frame, rotation control device with the lacing film frame is connected in order to be used for control the lacing film frame with the lacing film is whole rotatory.
2. The simulation apparatus of claim 1, wherein the volume of the secondary reactor is less than the volume of the primary reactor.
3. The simulation apparatus of claim 1, wherein at least one of the following is further provided within the main reactor: a pH detector, a dissolved oxygen detector, a microorganism detector and an oxidation-reduction potential detector.
4. The simulation apparatus of claim 1, wherein the main reactor is further provided with a dosing port.
5. The simulation apparatus as claimed in claim 1, wherein the stirrer and the heater are of an integrated structure including a heating rod, a temperature display and adjustment screen connected to an upper end of the heating rod for uniformly and stably controlling water temperature, and a stirring paddle connected to a lower end of the heating rod.
6. The simulation apparatus of claim 1, wherein the rotational control means comprises a rotational control motor and a throttle button coupled to the rotational control motor.
7. The simulation apparatus of claim 1, wherein there are three of the secondary reactor assemblies for chemical stability testing of water quality under different pipeline water delivery conditions.
8. The simulation apparatus of claim 1, wherein the primary reactor and the secondary reactor are both cylindrical.
9. The simulation apparatus of claim 1, wherein the secondary reactor is further provided with at least one of: a pH detector, a dissolved oxygen detector, a microorganism detector, an oxidation-reduction potential detector, a heating device and a dosing port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121458654.0U CN215180061U (en) | 2021-06-29 | 2021-06-29 | A analogue means for pipeline chemical stability test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121458654.0U CN215180061U (en) | 2021-06-29 | 2021-06-29 | A analogue means for pipeline chemical stability test |
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| CN215180061U true CN215180061U (en) | 2021-12-14 |
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| CN202121458654.0U Active CN215180061U (en) | 2021-06-29 | 2021-06-29 | A analogue means for pipeline chemical stability test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112920942A (en) * | 2021-01-27 | 2021-06-08 | 华东交通大学 | Water supply pipe network biofilm growth simulation device with multiple variable working conditions |
| CN113358827A (en) * | 2021-06-29 | 2021-09-07 | 清华大学深圳国际研究生院 | A analogue means for pipeline chemical stability test |
-
2021
- 2021-06-29 CN CN202121458654.0U patent/CN215180061U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112920942A (en) * | 2021-01-27 | 2021-06-08 | 华东交通大学 | Water supply pipe network biofilm growth simulation device with multiple variable working conditions |
| CN113358827A (en) * | 2021-06-29 | 2021-09-07 | 清华大学深圳国际研究生院 | A analogue means for pipeline chemical stability test |
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