CN218885648U - Multifunctional solidified sludge water stability experimental device - Google Patents
Multifunctional solidified sludge water stability experimental device Download PDFInfo
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- CN218885648U CN218885648U CN202222777052.2U CN202222777052U CN218885648U CN 218885648 U CN218885648 U CN 218885648U CN 202222777052 U CN202222777052 U CN 202222777052U CN 218885648 U CN218885648 U CN 218885648U
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Abstract
The utility model discloses a multi-functional solidified sludge water stability experimental apparatus mainly includes holding platform, pallet, pressure sensor, displacement sensor, inlet tube and outlet pipe of box, control panel, time control module, temperature control module, solidified sludge. During the use, the solidified sludge sample is placed on the holding platform, after the power supply is turned on to set the temperature, the water injection time and the dry-wet cycle number, weights are placed on the weight tray as required, the change of the displacement curve and the sample pressure in the solidified sludge water stability test process is output on the computer control panel through the pressure/displacement sensor, the problem of no-side-limit load holding, the temperature and the dry-wet cycle time control in the solidified sludge water stability test is solved, the accuracy of the pressure and the displacement change of the sample in the whole test process is ensured, the control operation is simple and easy, and the workload and the required time of testers are greatly reduced. The scheme also has the advantages of simple structure, convenient operation and easy implementation.
Description
Technical Field
The utility model relates to a geotechnical engineering technical field especially relates to a multi-functional solidified sludge water stability experimental apparatus.
Background
Along with the continuous development of the urbanization process of China, the yield of municipal garbage is increased year by year, and the yield of domestic sludge, municipal sludge and the like is improved, but the sludge has the characteristics of high water content, poor mechanical property and containing a large amount of organic matters and heavy metals, and secondary environmental pollution is easily caused if the sludge is not treated properly, so that the sludge is usually firstly cured/stabilized to be easier to transport and bury. The sludge solidification/stabilization technology is widely researched by researchers due to the fact that the cost is low, the treatment process is simple, and the stability of the treated sludge is generally greatly improved.
At present, a plurality of curing agent types exist, for example, a novel curing method of 'making waste with waste' by using traditional curing agents such as cement lime and the like or fly ash bottom slag and the like is utilized, the effect of using curing/stabilizing sludge singly or in combination by using different curing agents is still explored, so that the strength and the water stability of the sludge after curing are required to be tested, the environment where the sludge is located is in a higher water content, the water content is likely to change periodically along with time, and in practical engineering, the solidified sludge after landfill is subjected to the load action of other sludge piles and soil bodies around, the mechanical properties of the solidified sludge are comprehensively seen to be influenced by the temperature, the load and the dry-wet cycle factors, so that the strength and the deformation of the solidified sludge after periodic soaking or dry-wet cycle are required to be researched by carrying out an underwater soaking test and a dry-wet cycle test on the solidified sludge under the continuous load action.
Most of test devices at present are only simple single soaking or single dry-wet cycle tests on solidified sludge samples, and do not really simulate the loading condition of the solidified sludge in the actual environment, the solidified sludge after the final test needs to be taken out to determine deformation and strength, the operation is complex, and the time of more testers needs to be consumed. Accordingly, further improvements and improvements are needed in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of prior art, provide a multi-functional solidified sludge water stability experimental apparatus.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a multi-functional solidified sludge water stability experimental apparatus, mainly includes that box, control panel, time control module, temperature control module, solidified sludge hold platform, pallet, pressure sensor, displacement sensor, inlet tube and outlet pipe.
Specifically, the control panel is arranged on the front side of the box body and is electrically connected with the time control module, the temperature control module, the pressure sensor and the displacement sensor respectively. The time control module and the temperature control module are also arranged at the front side of the box body. The support platform is fixed in the box body, the containing platform is installed on the support platform, and the solidified sludge sample is placed in the containing platform. Pressure sensor and displacement sensor all set up and hold the bench. The inlet tube sets up in the box, its one end with hold the platform and be connected, the other end extends to outside the box. The water outlet pipe is arranged in the box body, one end of the water outlet pipe is connected with the containing table, and the other end of the water outlet pipe extends out of the box body.
Specifically, the holding table mainly comprises a sample container, a pressurizing cover plate, shi Yakuang, a supporting rod, a balancing weight, a weight tray and a pressurizing weight.
Specifically, the sample container is erected on the support table and is respectively connected with the water inlet pipe and the water outlet pipe. The pressurizing cover plate is arranged on the solidified sludge sample. The pressure sensor is arranged at the bottom of the pressurizing cover plate and is positioned between the pressurizing cover plate and the solidified sludge sample. The displacement sensor is arranged on the pressurizing cover plate and used for measuring the displacement condition of the pressurizing cover plate.
Specifically, the pressurizing frame is sleeved on the sample container. The lower end of the supporting rod is fixed on the pressurizing cover plate, and the upper end of the supporting rod is fixedly connected with the pressurizing frame to support the pressurizing frame to be suspended. The balance rod is arranged at the bottom of the pressure applying frame and hinged with the pressure applying frame. One end of the balancing rod is in threaded connection with the balancing weight, and the other end of the balancing rod is fixedly connected with the weight tray. The pressure applying weight is placed on the weight tray and applies pressure to the solidified sludge sample together with the balance weight.
As the preferred scheme of the utility model, the weight of exerting pressure adopts disc structural design, encircles the round by a plurality of fan-shaped little weights and constitutes. Each small weight can be made into a unit weight, and the weight can be specifically set according to the experimental requirements, so that the applied pressure can be finely adjusted, and the experimental data are more accurate.
As the preferred scheme of the utility model, it is more firm on the weight tray in order to make the small weight put, the bottom and the side of small weight all are equipped with the magnetism and inhale the layer. The magnetic absorption layer is fixedly connected with the small weight.
Furthermore, a water inlet valve is also arranged on the water inlet pipe. The water inlet valve is electrically connected with the control panel. The control panel can open or close the water inlet pipe according to the requirement.
Furthermore, a water outlet valve is arranged on the water outlet pipe. The water outlet valve is electrically connected with the control panel. The control panel can open or close the water outlet pipe according to the requirement.
Furthermore, the temperature control module mainly comprises a heating tube and a temperature sensor. The heating tube is arranged in the box body and arranged around the containing table. The temperature sensor is arranged on the support table and is electrically connected with the control panel.
As the utility model discloses a preferred scheme, time control module adopts mechanical type knob control module, can control corresponding time setting through rotating the knob.
The utility model discloses a working process and principle are: during the use, the solidification sludge sample is put in and is held the platform, switch on, set for constant temperature, after water injection time and wet cycle number, put people's weight on pressure device's weight dish as required, through the change of pressure/displacement sensor output solidification sludge water stability test in-process displacement curve and sample pressure on computer control panel, it holds the load under the no lateral limit in the solidification sludge water stability test to have realized, temperature and wet cycle time control problem futilely, guarantee the accuracy that whole test in-process sample received pressure and displacement change, and control operation is simple and easy, tester work load and required time have been reduced in the very big degree. The utility model discloses still have simple structure, convenient operation, easy advantage of implementing.
Compared with the prior art, the utility model discloses still have following advantage:
(1) The utility model provides a multi-functional solidified sludge water stability test device realizes soak test and dry-wet cycle test in the solidified sludge water stability with simple and easy test device.
(2) The utility model provides a multi-functional solidified sludge water stability experimental apparatus operation is simple and easy, greatly saves the experimental required time of experimenter, and the mode that time control device and business turn over water valve combined together realizes regularly that the wet cycle is automatic futilely.
(3) The utility model provides a multi-functional solidified sludge water stability experimental apparatus's solidified sludge holds a lower part and utilizes lever principle, applys on the solidified sludge sample and lasts the load to displacement pressure sensor draws the change curve, and truer simulation solidified sludge is at the temperature, do wet and do not have the side limit to hold the morphological change under the change of lotus condition.
Drawings
FIG. 1 is a schematic structural diagram of the multifunctional experimental device for water stability of solidified sludge provided by the utility model.
Fig. 2 is a schematic structural view of the placing table provided by the present invention.
The reference numerals in the above figures illustrate:
1-control panel, 2-time control module, 3-temperature control module, 4-holding table, 5-pressure sensor, 6-displacement sensor, 7-pressure weight, 8-balance weight, 9-solidified sludge sample, 10-water inlet pipe, 11-water outlet pipe, 12-box body, 13-support table, 41-pressure cover plate, 42-balance rod, 43-weight tray, 44-sample container, 45-Shi Yakuang, 46-support rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be further described with reference to the accompanying drawings and examples.
Example 1:
as shown in fig. 1 to fig. 2, the embodiment discloses a multifunctional experimental apparatus for water stability of solidified sludge, which mainly comprises a box body 12, a control panel 1, a time control module 2, a temperature control module 3, a solidified sludge containing table 4, a support table 13, a pressure sensor 5, a displacement sensor 6, a water inlet pipe 10 and a water outlet pipe 11.
Specifically, the control panel 1 is disposed at the front side of the box 12, and is electrically connected to the time control module 2, the temperature control module 3, the pressure sensor 5, and the displacement sensor 6, respectively. The time control module 2 and the temperature control module 3 are also disposed at a front side position of the case 12. The support table 13 is fixed in the box body 12, the containing table 4 is installed on the support table 13, and the solidified sludge sample 9 is placed in the containing table 4. The pressure sensor 5 and the displacement sensor 6 are both arranged on the containing table 4. The water inlet pipe 10 is arranged in the box body 12, one end of the water inlet pipe is connected with the containing platform 4, and the other end of the water inlet pipe extends out of the box body 12. The water outlet pipe 11 is arranged in the box body 12, one end of the water outlet pipe is connected with the containing platform 4, and the other end of the water outlet pipe extends out of the box body 12.
Specifically, the holding table 4 mainly includes a sample container 44, a pressurizing cover plate 41, a pressurizing frame 45, a support rod 46, a balance rod 42, a balance weight 8, a weight tray 43, and a pressurizing weight 7.
Specifically, the sample container 44 is mounted on the support platform 13 and is connected to the water inlet pipe 10 and the water outlet pipe 11 respectively. The pressurizing cover plate 41 is attached to the solidified sludge sample 9. The pressure sensor 5 is arranged at the bottom of the pressurizing cover plate 41 and is positioned between the pressurizing cover plate 41 and the solidified sludge sample 9. The displacement sensor 6 is arranged on the pressure cover plate 41 and measures the displacement of the pressure cover plate 41.
Specifically, the Shi Yakuang is sleeved on the sample container 44. The lower end of the supporting rod 46 is fixed on the pressurizing cover plate 41, the upper end is fixedly connected with the pressurizing frame 45, and the bearing Shi Yakuang is suspended. The balance rod 42 is arranged at the bottom of the pressure applying frame 45 and is hinged with the pressure applying frame 45. One end of the balancing rod 42 is in threaded connection with the balancing weight 8, and the other end of the balancing rod is fixedly connected with the weight tray 43. The pressure-applying weight 7 is placed on the weight tray 43, and applies pressure to the solidified sludge sample 9 together with the balance weight 8.
As the preferred scheme of the utility model, the weight 7 of exerting pressure adopts the disc structural design, encircles the round by a plurality of fan-shaped little weights and constitutes. Each small weight can be made into a unit weight which can be specifically set according to the experimental requirements, so that the applied pressure can be finely adjusted, and the experimental data are more accurate.
As the preferred scheme of the utility model, in order to make the weight put on the weight tray 43 more firm, the bottom and the side of the small weight all are equipped with the magnetic absorption layer. The magnetic absorption layer is fixedly connected with the small weight.
Further, a water inlet valve is arranged on the water inlet pipe 10. The water inlet valve is electrically connected with the control panel 1. The control panel 1 can open or close the water inlet pipe 10 as required.
Furthermore, a water outlet valve is also arranged on the water outlet pipe 11. The water outlet valve is electrically connected with the control panel 1. Control panel 1 may open or close outlet pipe 11 as desired.
Further, the temperature control module 3 mainly includes a heating tube and a temperature sensor. The heating tube is arranged in the box body 12 and is arranged around the containing table 4. The temperature sensor is arranged on the support table 13 and is electrically connected with the control panel 1.
As a preferred scheme of the utility model, time control module 2 adopts mechanical type knob control module, can control corresponding time setting through rotating the knob.
The utility model discloses a working process and principle are: solidified sludge sample 9 is put on holding platform 4, power switch is turned on, set for constant temperature, after water injection time and dry-wet cycle number, put people's weight on pressure device's weight tray as required, through the change of pressure/displacement sensor 6 output solidified sludge water stability test in-process displacement curve and sample pressure on computer control panel 1, it holds the load under the no lateral limit in the solidified sludge water stability test to have realized, temperature and dry-wet cycle time control problem, guarantee the accuracy that pressure and displacement change were received to the sample in the whole test process, and control operation is simple and easy, tester work load and required time have been reduced to a great extent. The utility model discloses still have simple structure, convenient operation, easy advantage of implementing.
Example 2:
the embodiment discloses a test device, an integrated control system is arranged on the right side of the test device, the test device comprises a time control device, a temperature control device and a computer data output panel, a plurality of solidified sludge containing tables are arranged in the hollow interior of the device, each containing table consists of a non-top container, a pressurizing metal cover plate and a base, the diameter and the height of each containing table are larger than those of a sample, the upper parts of the pressurizing metal cover plates are connected with a pressurizing device through metal rod pieces, the pressurizing device is similar to a consolidation apparatus, a balance lever is connected to the lower part of each containing table by utilizing the principle of fixed pulleys, a spiral movable balance weight is arranged at one end of each containing table, a weight tray is arranged at the other end of each containing table, the length of the metal lever at one end of each weight tray is larger than that of the balance weight, the balance lever is balanced by adjusting the balance weight before the weight is added, and the weight added on the weight tray is the continuous normal load of the solidified sludge sample; the base is slightly higher than the platform; the bottom of the containing table is provided with two water inlet and outlet channels connected with water pipes, and the port of each channel is provided with a filter screen with a small aperture, so that components falling off in the test process of the solidified sludge sample can not flow out along with dry-wet circulation drainage; the temperature control device adjusts the required constant temperature in the sample holding table; the computer data output device can draw the change of the continuous load borne by the sludge sample and the axial deformation of the sample in the testing device along with the time.
The utility model has the innovation point that the utility model discloses a multifunctional solidified sludge water stability test device, which realizes two test selections in one device on the basis of the original single soaking water stability test or dry-wet cycle test; the state of the solidified sludge subjected to soaking or dry-wet change in the actual environment can be more truly simulated by adding the temperature regulating device and the sideless load holding device; the control integration device is used for controlling the drying and wetting time of the solidified sludge sample, so that the operation is convenient, the working time of testers is greatly saved, and the test time is more rigorous; a pore diameter filter screen is arranged in a water inlet and outlet cavity at the bottom of the sludge solidification sample containing platform, so that a solidification body falling off in the process of carrying out a soaking test or a dry-wet cycle test on the sample can not be taken away along with water flow, and the shape evolution process of the solidified sludge sample before and after the test can be observed after the test; the displacement sensor and the pressure sensor are arranged on the pressurizing cover plate, the data acquisition device is used for transmitting the data to the computer end, the pressure/displacement change curve is drawn on the computer in time, and the change process of the solidified sludge sample in the water stability test process is more obviously represented by the curve.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all should be included in the protection scope of the present invention.
Claims (8)
1. A multifunctional experimental device for water stability of solidified sludge is characterized by comprising a box body, a control panel, a time control module, a temperature control module, a solidified sludge containing table, a support table, a pressure sensor, a displacement sensor, a water inlet pipe and a water outlet pipe;
the control panel is arranged on the front side of the box body and is respectively and electrically connected with the time control module, the temperature control module, the pressure sensor and the displacement sensor; the time control module and the temperature control module are also arranged at the front side of the box body; the bracket table is fixed in the box body, the containing table is arranged on the bracket table, and the solidified sludge sample is placed in the containing table; the pressure sensor and the displacement sensor are both arranged on the containing table; the water inlet pipe is arranged in the box body, one end of the water inlet pipe is connected with the containing table, and the other end of the water inlet pipe extends out of the box body; the outlet pipe sets up in the box, and its one end is connected with holding the platform, and the other end extends to outside the box.
2. The multifunctional experimental device for water stability of solidified sludge according to claim 1, wherein the holding table comprises a sample container, a pressurizing cover plate, shi Yakuang, a supporting rod, a balancing weight, a weight tray and a pressurizing weight;
the sample container is erected on the support table and is respectively connected with the water inlet pipe and the water outlet pipe; the pressurizing cover plate is arranged on the solidified sludge sample; the pressure sensor is arranged at the bottom of the pressurizing cover plate and is positioned between the pressurizing cover plate and the solidified sludge sample; the displacement sensor is arranged on the pressurizing cover plate and is used for measuring the displacement condition of the pressurizing cover plate;
the pressure applying frame is sleeved on the sample container; the lower end of the supporting rod is fixed on the pressurizing cover plate, and the upper end of the supporting rod is fixedly connected with the pressurizing frame to support the pressurizing frame to be suspended; the balance rod is arranged at the bottom of the pressure applying frame and is hinged with the pressure applying frame; one end of the balancing rod is in threaded connection with the balancing weight, and the other end of the balancing rod is fixedly connected with the weight tray; the pressure applying weight is placed on the weight tray and applies pressure to the solidified sludge sample together with the balance weight.
3. The multifunctional experimental device for water stability of solidified sludge according to claim 2, wherein the pressure-applying weight is designed in a disc structure and is formed by a plurality of small fan-shaped weights which are wound around one circle.
4. The multifunctional experimental device for water stability of solidified sludge according to claim 3, wherein the bottom and the side surface of the small weight are provided with magnetic absorption layers; the magnetic absorption layer is fixedly connected with the small weight.
5. The multifunctional experimental device for water stability of solidified sludge according to claim 1, wherein the water inlet pipe is further provided with a water inlet valve; the water inlet valve is electrically connected with the control panel.
6. The multifunctional experimental device for water stability of solidified sludge according to claim 1, wherein the water outlet pipe is further provided with a water outlet valve; the water outlet valve is electrically connected with the control panel.
7. The multifunctional solidified sludge water stability experimental device as claimed in claim 1, wherein the temperature control module comprises a heating tube and a temperature sensor; the heating tube is arranged in the box body and surrounds the containing table; the temperature sensor is arranged on the support table and is electrically connected with the control panel.
8. The multifunctional experimental device for water stability of solidified sludge according to claim 1, wherein the time control module is a mechanical knob control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222777052.2U CN218885648U (en) | 2022-10-19 | 2022-10-19 | Multifunctional solidified sludge water stability experimental device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222777052.2U CN218885648U (en) | 2022-10-19 | 2022-10-19 | Multifunctional solidified sludge water stability experimental device |
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| CN218885648U true CN218885648U (en) | 2023-04-18 |
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| CN202222777052.2U Active CN218885648U (en) | 2022-10-19 | 2022-10-19 | Multifunctional solidified sludge water stability experimental device |
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