CN218350231U - Solid carbon content testing device - Google Patents
Solid carbon content testing device Download PDFInfo
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- CN218350231U CN218350231U CN202222283060.1U CN202222283060U CN218350231U CN 218350231 U CN218350231 U CN 218350231U CN 202222283060 U CN202222283060 U CN 202222283060U CN 218350231 U CN218350231 U CN 218350231U
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Abstract
The utility model discloses a solid carbon content testing arrangement relates to solid carbon test equipment technical field, including box, carbon dioxide concentration detection device, air feeder and gaseous even device, the box has the cavity, carbon dioxide concentration detection device and gaseous even device fixed connection in the box, air feeder and cavity intercommunication, air feeder can fill into carbon dioxide in the cavity, gaseous even device can flow carbon dioxide diffusion in the cavity with higher speed through driving the air current, carbon dioxide concentration detection device is used for detecting the concentration of the carbon dioxide in the cavity, and the cavity is used for placing the sample. The utility model provides a solid carbon content testing arrangement simple structure, the test accuracy is high.
Description
Technical Field
The utility model relates to a solid carbon test equipment technical field especially relates to a solid carbon content testing arrangement.
Background
With the release and implementation of the national 'double carbon' strategy, the construction industry has also put higher demands on the construction industry. As the most used building material in the construction industry, namely concrete, the main material is cementitious material cement which generates Ca (OH) in the hydration process 2 Can be reacted with CO 2 Reaction to form CaCO 3 Therefore, concrete is also considered as a developable carbon-fixing material.
Concrete can absorb more and less CO during carbonization 2 The method is one of the main parameters of the carbon fixing performance, and the current methods for testing and characterizing the carbon fixing amount of concrete are divided into two major types, namely macroscopic method and microscopic method:
(1) The macroscopic method comprises the following steps: the test is carried out by adopting a manual weighing method, carbon dioxide is absorbed in the concrete carbonization process, so the mass is increased, the sample before and after carbon dioxide absorption is weighed to obtain the mass increment of the sample, and the increased mass is used for representing the carbon fixation value. However, the method neglects the loss of moisture in the carbonization process, so that human errors can exist even if the test is carried out in a closed environment (space).
(2) The microscopic method comprises the following steps: testing (CaCO) in a sample to be tested by adopting tests such as X-ray diffraction (XRD) or thermogravimetric Test (TG) 3 ) Content of, caCO 3 Is made of Ca (OH) 2 With CO 2 Generated by the reaction, so that absorbed CO can be converted 2 The content of (b). The method can accurately obtain the test result, but the test sample needs to be ground and sampled, so that the integral solid carbon value of the test sample (carbonized test block) cannot be tested, and the accuracy of the test result is influenced; and human errors are easily caused in the grinding and sampling processes, so the accuracy of the test result is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a solid carbon content testing arrangement to solve the problem that above-mentioned prior art exists, simple structure, the test accuracy is high.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a solid carbon content testing arrangement, including box, carbon dioxide concentration detection device, air feeder and gaseous even device, the box has the cavity, carbon dioxide concentration detection device with gaseous even device fixed connection in the box, air feeder with the cavity intercommunication, air feeder can to fill into carbon dioxide in the cavity, gaseous even device can flow with higher speed through driving the air current carbon dioxide is in diffusion in the cavity, carbon dioxide concentration detection device is used for detecting in the cavity the concentration of carbon dioxide, the cavity is used for placing the sample.
The utility model provides a solid carbon content testing arrangement still includes flow detection device, flow detection device set up in air feeder with on the pipeline between the cavity, flow detection device with air feeder with the cavity all communicates, flow detection device can detect air feeder fills in the cavity the flow of carbon dioxide.
The utility model provides a solid carbon content testing arrangement still includes display device, display device fixed connection in on the outer wall of box, carbon dioxide concentration detection device with display device connects, display device can show in the cavity carbon dioxide's concentration value.
The utility model provides a solid carbon content testing arrangement still includes controlling means, controlling means with air feeder connects, controlling means with carbon dioxide concentration detection device connects, carbon dioxide concentration detection device can with in the cavity carbon dioxide's concentration information transmission extremely controlling means, controlling means can control air feeder to fill into gas or stop aerifing in the cavity, just controlling means can take notes air feeder's air feed number of times.
The control device can be connected with the flow detection device, and the flow detection device can transmit the flow information of the carbon dioxide filled into the cavity by the gas supply device to the control device.
The utility model provides a solid carbon content testing arrangement still includes pressure relief device, pressure relief device set up in air feeder with on the pipeline between the flow detection device, pressure relief device can adjust by air feeder gets into in the flow detection device the atmospheric pressure of carbon dioxide.
The utility model provides a solid carbon content testing arrangement still includes the dodge gate, the box is equipped with the opening, the dodge gate set up in the opening part and with the box rotates to be connected, the dodge gate can be opened or seal the opening.
The control device can be in carbon dioxide concentration detection device detects carbon dioxide concentration in the cavity is controlled when being equal to the critical value the air feeder to fill carbon dioxide in the cavity, the control device can be in carbon dioxide concentration detection device detects carbon dioxide concentration in the cavity is controlled when being equal to the setting value the air feeder stops to fill carbon dioxide in the cavity, the setting value is greater than the critical value.
The set value is 400ppm to 300000ppm, the critical value is 100ppm when the set value is 400ppm to 20000ppm, and the critical value is 1000ppm when the set value is more than 20000ppm and less than 30000 ppm.
The gas homogenizing device is a fan, the gas supply device is a gas cylinder, the flow detection device is a gas flowmeter, and the pressure reduction device is a pressure reduction valve.
The utility model discloses for prior art gain following technological effect:
the utility model provides an air feeder among solid carbon content volume testing arrangement can fill into carbon dioxide to the cavity, and the concentration of the carbon dioxide in the cavity that detects through carbon dioxide concentration detection device can obtain the reduction of carbon dioxide in the box to further obtain the solid carbon content of sample. The utility model provides a solid carbon content testing arrangement carries out the test of solid carbon volume through the mode of testing sample to the absorption capacity of carbon dioxide, does not receive the influence that other composition (water) content of carbonization in-process sample changed, and need not crocus, sample, and measurement accuracy is high. Meanwhile, the gas homogenizing device can enable the carbon dioxide gas filled into the cavity to be uniformly distributed in the cavity, and each part of the sample can be guaranteed to better absorb the carbon dioxide, so that the testing accuracy is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a device for testing solid carbon content provided by the present invention;
in the figure: 100. a solid carbon content testing device; 1. a box body; 101. a cavity; 102. an opening; 2. a carbon dioxide concentration detection device; 3. a gas supply device; 4. a gas homogenizing device; 5. a flow detection device; 6. a display device; 7. a control device; 8. a pressure reducing device; 9. a movable door.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a solid carbon content testing arrangement to solve the problem that above-mentioned prior art exists, simple structure tests the accuracy height.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, the utility model provides a solid carbon content testing arrangement 100, the power distribution box comprises a box body 1, carbon dioxide concentration detection device 2, air feeder 3 and gaseous uniform device 4, box 1 has cavity 101, carbon dioxide concentration detection device 2 and gaseous uniform device 4 fixed connection are in box 1, air feeder 3 and cavity 101 intercommunication, air feeder 3 can be to filling into carbon dioxide in the cavity 101, gaseous uniform device 4 can be through driving the air current flow with higher speed carbon dioxide at cavity 101 internal diffusion, carbon dioxide concentration detection device 2 is used for detecting the concentration of the carbon dioxide in cavity 101, cavity 101 is used for placing the sample. Preferably, the sample is a concrete sample with a volume of 60mm × 60mm × 60mm; the box body 1 is an acrylic box body 1, and the volume is 500mm multiplied by 400mm multiplied by 350mm; the gas supply device 3 is communicated with the cavity 101 through a pipeline, and the pipeline is sealed with the box body 1, so that gas in the gas supply device 3 can enter the cavity 101, and the gas in the cavity 101 can be prevented from being discharged from a gap between the pipeline and the box body 1. The utility model provides an air feeder 3 can be filled into carbon dioxide in to cavity 101 among the solid carbon content testing arrangement 100, and the concentration of the carbon dioxide in the cavity 101 through the detection of carbon dioxide concentration detection device 2 can obtain the reduction of carbon dioxide in the box 1 to further obtain the solid carbon content of sample. The utility model provides a solid carbon content testing arrangement 100 carries out the test of solid carbon volume through the mode of testing sample to the absorption capacity of carbon dioxide, does not receive the influence that other composition (water) content of carbonization in-process sample changed, and need not crocus, sample, and measurement accuracy is high. Meanwhile, the gas homogenizing device 4 can uniformly distribute the carbon dioxide gas filled into the cavity 101 in the cavity 101, and each part of the sample can be ensured to better absorb the carbon dioxide, so that the accuracy of the test is further improved.
The utility model provides a solid carbon content testing arrangement 100 still includes controlling means 7, and controlling means 7 is connected with air feeder 3, and controlling means 7 is connected with carbon dioxide concentration detection device 2, and carbon dioxide concentration detection device 2 can be with the concentration information transmission of the carbon dioxide in cavity 101 to controlling means 7, and controlling means 7 can control air feeder 3 and fill gas or stop aerifing in to cavity 101, and controlling means 7 can take notes air feeder 3's air feed number of times. The control device 7 controls the air supply device 3 to automatically inflate, so that the automation level is improved, and the air supply device has higher test precision compared with manual control.
In a preferred embodiment, the control unit 7 can control the gas supply unit 3 to fill the chamber 101 with carbon dioxide when the concentration of carbon dioxide in the chamber 101 detected by the carbon dioxide concentration detection unit 2 is equal to a threshold value, and the control unit 7 can control the gas supply unit 3 to stop filling the chamber 101 with carbon dioxide when the concentration of carbon dioxide in the chamber 101 detected by the carbon dioxide concentration detection unit 2 is equal to a set value, which is greater than the threshold value.
Correspondingly, there is test method 1: (1) Filling carbon dioxide into the cavity 101 by the gas supply device 3, and stopping filling gas when the carbon dioxide concentration detection device 2 monitors that the concentration value of the carbon dioxide in the cavity 101 reaches a set value; (2) When the carbon dioxide concentration detection device 2 monitors that the concentration value of the carbon dioxide in the cavity 101 is reduced to a critical value, the control device 7 controls the gas supply device 3 to fill the carbon dioxide into the cavity 101 until the concentration value of the carbon dioxide in the cavity 101 reaches a set value; (3) And (3) circulating according to the air charging mode in the step (2) until the variation of the carbon dioxide concentration in the cavity 101 is small or the carbon dioxide concentration does not change any more, and ending the test. The control device 7 records the number of inflations. The product of the difference between the set value of the carbon dioxide concentration and the critical value of the carbon dioxide concentration, the number of times of inflation and the volume of the cavity 101 is the fixed carbon amount of the sample. It should be noted that, because the volume of the sample is small, the calculation here omits the space occupied by the sample, and the volume of the cavity 101 represents the volume of carbon dioxide in the cavity 101; the carbon dioxide which is filled for the last time is not absorbed by the sample until the concentration of the carbon dioxide is reduced to a critical value, but because the amount of the carbon dioxide which is filled for a single time is small, the residual condition of the carbon dioxide which is filled for the last time is not considered in the calculation, so that the calculation process is simplified, and higher accuracy can be ensured. Preferably, the step (3) further includes recording a concentration value of carbon dioxide in the cavity 101 at the end of the test, which is defined as a first concentration value, and the calculating method of the solid carbon content includes: [ difference between the set value of the carbon dioxide concentration and the critical value of the carbon dioxide concentration (the number of times of aeration-1) + difference between the set value of the carbon dioxide concentration and the first concentration value ] (volume of the chamber 101-volume of a single sample-number of samples), thereby further improving the accuracy of the test.
In a preferred embodiment, the set value is 400ppm to 300000ppm, and when the set value is 400ppm to 20000ppm, the test is performed in a low concentration environment, and the critical value is 100ppm; when the set value is more than 20000ppm and less than 30000ppm, the test is performed in high concentration environment, and the critical value is 1000ppm. The critical value is sufficient to ensure that the carbon dioxide charged into the chamber 101 is sufficiently absorbed by the sample each time. The solid carbon content of the sample under different environments can be tested.
The utility model provides a solid carbon content testing arrangement 100 still includes flow detection device 5, and flow detection device 5 sets up on the pipeline between air feeder 3 and cavity 101, and flow detection device 5 all communicates with air feeder 3 and cavity 101, and flow detection device 5 can detect the flow that air feeder 3 fills the carbon dioxide in cavity 101. On one hand, the control device 7 can more accurately control the filling volume of the carbon dioxide according to the flow value detected by the flow detection device 5, so that the gas supply device 3 is more accurately controlled to stop filling the carbon dioxide into the cavity 101 when the concentration of the carbon dioxide in the cavity 101 detected by the carbon dioxide concentration detection device 2 is equal to a set value. On the other hand, the mass of the carbon dioxide charged into the cavity 101 each time can be obtained by the flow value of the carbon dioxide obtained by the flow detection device 5 and the introduction time of the carbon dioxide, and the product of the mass of the carbon dioxide charged into the cavity 101 each time and the charging frequency can be used as the mass of the carbon dioxide absorbed by the sample, that is, the solid carbon content of the sample. The method is complementary to the test method 1, and is beneficial to improving the test accuracy.
In a preferred embodiment, the control device 7 can be connected to the flow rate detection device 5, and the flow rate detection device 5 can transmit the flow rate information of the carbon dioxide charged into the cavity 101 by the gas supply device 3 to the control device 7. The control device 7 controls the air supply time of the air supply device 3, and the control accuracy is improved.
The utility model provides a solid carbon content testing arrangement 100 still includes pressure relief device 8, and pressure relief device 8 sets up on the pipeline between air feeder 3 and flow detection device 5, and pressure relief device 8 can adjust the atmospheric pressure that gets into the carbon dioxide in the flow detection device 5 by air feeder 3. The flow detection device 5 is convenient to detect the flow of the carbon dioxide better, and meanwhile, the problem that the accuracy of the carbon dioxide concentration detection device 2 is influenced due to the fact that the carbon dioxide in the cavity 101 is not uniformly distributed because the air pressure of the carbon dioxide provided by the air supply device 3 is too large and the speed of the carbon dioxide filled into the cavity 101 is too high is avoided.
The utility model provides a solid carbon content testing arrangement 100 still includes dodge gate 9, and box 1 is equipped with opening 102, and dodge gate 9 sets up in opening 102 department and rotates with box 1 to be connected, and dodge gate 9 can open or seal opening 102. When the movable door 9 is opened, a sample can be taken and placed through the opening 102, and the movable door 9 is closed in the test process. Preferably, the movable door 9 is hinged with the box body 1.
The utility model provides a solid carbon content testing arrangement 100 still includes display device 6, and 6 fixed connection of display device are on the outer wall of box 1, and carbon dioxide concentration detection device 2 is connected with display device 6, and display device 6 can show the concentration value of the carbon dioxide in the cavity 101. Preferably, the concentration value of carbon dioxide includes a real-time concentration value, a set value and a critical value of carbon dioxide in the chamber 101. Preferably, the display device 6 is connected to the control device 7. The display device 6 may receive the concentration value of the carbon dioxide concentration detection device 2 directly, or the carbon dioxide concentration detection device 2 may transmit the concentration value to the control device 7, and the control device 7 may transmit corresponding data to the display device 6 to display the data. The display device 6 is convenient for monitoring the experimental process, and can realize human-computer interaction, if the set value and the critical value can be manually adjusted through the display device 6, specifically, the set value and the critical value can be set according to the environmental conditions of the high-concentration environment or the low-concentration environment, the set value and the critical value are conveyed to the control device 7 by the display device 6, and the control device 7 controls the air supply device 3 to supply air according to the set value and the critical value. The start and end of the test can be controlled, for example, by means of switch buttons on the display device 6.
Preferably, the gas homogenizing device 4 is a fan, the gas supply device 3 is a gas cylinder, the flow detecting device 5 is a gas flowmeter, and the pressure reducing device 8 is a pressure reducing valve.
The utility model provides a test procedure of solid carbon content testing arrangement 100 does:
(1) The display device 6 is set with the set value of the concentration of carbon dioxide in the box 1, and when the set value is higher than 20000PPM, the concentration detection device of carbon dioxide (carbon dioxide concentration detector) needs to be manually switched to select high concentration test.
(2) The display device 6 is set to a critical value of the concentration of carbon dioxide in the tank 1. When tested in a low concentration environment (400 ppm-20000 ppm), the cut-off value was set to 100ppm; when a high concentration environment (the gas in the chamber 101 contains 1% to 30% of carbon dioxide, i.e., the set value is greater than 20000ppm and less than 30000 ppm) is tested, the threshold value is set to 0.1%, i.e., 1000ppm.
(3) The samples are put into the box body 1, and at most 3 samples can be placed in one test.
(4) Vaseline is used for sealing the periphery of the movable door 9, and the sealing performance of the box body 1 is guaranteed.
(5) The test is started by clicking on the display device 6, the concentration of carbon dioxide in the box body 1 is gradually reduced in the test process, the control device 7 controls the flow detection device 5 to supplement carbon dioxide to the box body 1 to a set value when the carbon dioxide is reduced to a critical value, the gas filling process is completed within 1min, and the fan blows air to ensure that the carbon dioxide in the box is rapidly and uniformly dispersed. The process was cycled until the test period was reached. The gas filling process is designed according to the volume of the box body 1 within 1min, and the time can be adjusted according to the volume of the box body 1, so that the filled carbon dioxide can be fully diffused as much as possible, and the amount of the carbon dioxide absorbed by a sample in the gas filling process is as small as possible, so that the accuracy of the test is improved.
(6) Data acquisition: in the experiment development process, the control device 7 records once when carbon dioxide gas is supplemented every time, and finally obtains the total inflation times in the experiment process.
(7) And (4) calculating the solid carbon content.
The principle and the implementation mode of the utility model are explained by applying a specific embodiment, and the explanation of the embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. The utility model provides a solid carbon content testing arrangement which characterized in that: including box, carbon dioxide concentration detection device, air feeder and gaseous uniform device, the box has the cavity, carbon dioxide concentration detection device with gaseous uniform device fixed connection in the box, the air feeder with the cavity intercommunication, the air feeder can to fill into carbon dioxide in the cavity, gaseous uniform device can flow through driving the air current and accelerate carbon dioxide is in diffusion in the cavity, carbon dioxide concentration detection device is used for detecting in the cavity the concentration of carbon dioxide, the cavity is used for placing the sample.
2. The solid carbon content testing device according to claim 1, characterized in that: still include flow detection device, flow detection device set up in the air feeder with on the pipeline between the cavity, flow detection device with the air feeder with the cavity all communicates, flow detection device can detect the air feeder fills in the cavity the flow of carbon dioxide.
3. The solid carbon content testing device according to claim 1, characterized in that: still include display device, display device fixed connection in on the outer wall of box, carbon dioxide concentration detection device with display device connects, display device can show in the cavity the concentration value of carbon dioxide.
4. The solid carbon content testing device according to claim 2, characterized in that: still include controlling means, controlling means with the air feeder is connected, controlling means with carbon dioxide concentration detection device connects, carbon dioxide concentration detection device can with in the cavity the concentration information transmission of carbon dioxide extremely controlling means, controlling means can control the air feeder to aerify or stop aerifing in the cavity, just controlling means can record the air feeder's air feed number of times.
5. The solid carbon content testing device according to claim 4, wherein: the control device can be connected with the flow detection device, and the flow detection device can transmit the flow information of the carbon dioxide filled into the cavity by the gas supply device to the control device.
6. The solid carbon content testing device according to claim 2, characterized in that: still include pressure relief device, pressure relief device set up in the air feeder with on the pipeline between the flow detection device, pressure relief device can adjust by the air feeder gets into in the flow detection device the atmospheric pressure of carbon dioxide.
7. The solid carbon content testing device according to claim 1, characterized in that: the portable type refrigerator is characterized by further comprising a movable door, wherein an opening is formed in the refrigerator body, the movable door is arranged at the opening and is rotatably connected with the refrigerator body, and the movable door can open or close the opening.
8. The solid carbon content testing device according to claim 4, wherein: the control device can be in carbon dioxide concentration detection device detects carbon dioxide concentration in the cavity is equal to the critical value time control the air feeder to fill carbon dioxide in the cavity, control device can be in carbon dioxide concentration detection device detects carbon dioxide concentration in the cavity is equal to the control when the set value the air feeder stop to fill carbon dioxide in the cavity, the set value is greater than the critical value.
9. The solid carbon content testing device according to claim 8, wherein: the set value is 400ppm to 300000ppm, the critical value is 100ppm when the set value is 400ppm to 20000ppm, and the critical value is 1000ppm when the set value is more than 20000ppm and less than 30000 ppm.
10. The solid carbon content testing device according to claim 6, wherein: the gas homogenizing device is a fan, the gas supply device is a gas cylinder, the flow detection device is a gas flowmeter, and the pressure reduction device is a pressure reduction valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222283060.1U CN218350231U (en) | 2022-08-30 | 2022-08-30 | Solid carbon content testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222283060.1U CN218350231U (en) | 2022-08-30 | 2022-08-30 | Solid carbon content testing device |
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| Publication Number | Publication Date |
|---|---|
| CN218350231U true CN218350231U (en) | 2023-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222283060.1U Active CN218350231U (en) | 2022-08-30 | 2022-08-30 | Solid carbon content testing device |
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| CN (1) | CN218350231U (en) |
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- 2022-08-30 CN CN202222283060.1U patent/CN218350231U/en active Active
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