CN206847243U - A kind of soil batch Quick-air-drying device - Google Patents

Abstract

The utility model provides a kind of soil batch Quick-air-drying device, including：Duct type dehumidifier and air-drying box, one or more layers of air dried coating is provided with the air-drying box, one or more air dried cell room is provided with the air dried coating；The mouth of pipe of the discharge pipe of the duct type dehumidifier leads to the air dried cell room, the mouth of pipe of the backwind tube of the duct type dehumidifier leads to the air dried cell room, ventilation electrically operated valve and return air electrically operated valve are provided with the backwind tube, close the ventilation electrically operated valve, open the return air electrically operated valve, start to air-dry.Soil batch Quick-air-drying device provided by the utility model, realization is a large amount of quick and uniformly air-dries soil.

Description

A batch quick air-drying device for soil

technical field

The utility model relates to the field of soil analysis, in particular to a batch quick air-drying device for soil.

Background technique

Soil samples often need to be air-dried for physical and chemical analysis. After being collected from the field, spread them out in a clean indoor ventilated place until they are naturally air-dried. Exposure to the sun is strictly prohibited. Pay attention to pollution sources such as acids, alkalis, dust, and gases that may affect the test results, and air-dry them. During the process, the soil samples should be turned frequently, large soil clods should be crushed, and intrusions other than the soil such as stones should be removed. The soil samples after air drying can be analyzed for physical and chemical indicators such as soil nutrients and organic matter. When the soil sample has a high water content, natural air drying often takes a long time.

Prior Art 1, air-drying with a fan is faster than natural air-drying, but the air flow of the fan is uneven, especially for the soil that has been divided into containers, the phenomenon of uneven air-drying often occurs. The second prior art uses ventilation and heating rods for air-drying, and also sets up air-drying equipment in which the soil is divided into containers, but the heating of the heating rods will cause the air to heat up rapidly, and the surroundings of the air-drying equipment will also heat up, which is easy to burn the operator , and the ventilation is not controlled, and it cannot be evenly distributed around each container, resulting in uneven air drying of the soil in the container. Often, the moisture content of the soil on the outside has been greatly reduced, and the moisture content of the soil inside is still high.

Contents of the invention

The purpose of the utility model is to provide a soil batch rapid air-drying device, which can realize a large amount of rapid and uniform air-drying of soil.

In order to solve the above-mentioned technical problems, the soil batch fast air-drying device provided by the utility model is realized in this way:

A soil batch quick air-drying device, comprising: a pipeline type dehumidifier and an air-drying box, one or more air-drying layers are fixedly installed in the air-drying box, and one or more air-drying unit rooms are arranged separately on the air-drying layer The nozzle of the air outlet pipe of the pipeline type dehumidifier leads to the air-drying unit room, the nozzle of the return air pipe of the pipeline type dehumidifier leads to the air-drying unit room, on the return air pipe Ventilation electric valves and return air electric valves are provided, the ventilation electric valves are closed, the return air electric valves are opened, and air drying is started; a soil temperature and humidity sensor is arranged in the air drying unit room, and the soil temperature and humidity sensors measure the The temperature and humidity of the soil in the indoor air-drying unit, and send the temperature and humidity of the soil to the control module; When within the humidity range, an alarm is sent to take out the soil sample in the air-drying unit chamber.

Optionally, a purification box is provided on the return air pipe, the ventilation electric valve is opened, and the gas flowing into the pipeline dehumidifier passes through the purification box; the return air electric valve is opened, and the gas flows into the pipeline The gas of the type dehumidifier passes through the purification box.

Optionally, an air temperature and humidity sensor is arranged in the air outlet pipe to measure the air temperature and humidity in the air outlet pipe, and send the temperature and humidity of the air to the control module; When the temperature is higher than the air temperature preset by the control module or lower than the preset air humidity, the control module sends an open signal to the ventilation electric valve, and sends a close signal to the return air electric valve.

Optionally, a pipeline exhaust fan is arranged on the return air pipe, and when the ventilation electric valve is opened and the return air electric valve is closed, the pipeline exhaust fan starts to discharge the gas in the return air pipe.

Optionally, a dehumidifier drain pipe is provided on the side of the air outlet pipe of the pipeline dehumidifier for draining the moisture absorbed by the pipeline dehumidifier after dehumidification.

Optionally, the front of the air-drying unit room is provided with a sealed unit door facing the opposite door of the air-drying box, and the bottom of the air-drying unit room is provided with an air inlet, and the mouth of the air outlet pipe enters the air-drying unit through the air inlet chamber; the top of the air-drying unit chamber is provided with an air outlet, and the nozzle of the return air pipe enters the air-drying unit chamber through the air outlet.

A control system for a soil batch rapid air-drying device, comprising: a control module, a soil temperature and humidity sensor and an alarm module;

The soil temperature and humidity sensor is used to measure the temperature and humidity of the soil in the air-drying unit room, and send the soil temperature and humidity and the serial number of the air-drying unit room where the soil temperature and humidity sensor is located to the control module;

The control module is configured to compare the soil temperature and humidity measured by the soil temperature and humidity sensor with a preset soil temperature and humidity range, and when the soil temperature and humidity falls within the preset soil temperature and humidity range, send The alarm module sends an alarm signal that takes out the soil sample and the number of the air-drying unit room where the soil sample is located;

The alarm module is used to send out an alarm signal for taking out the soil sample corresponding to the number of the air-drying unit.

Optionally, the device further includes: an air temperature and humidity sensor, configured to measure the air temperature and humidity in the air-drying box, and send the air temperature and humidity to the control module;

The control module is used to compare the controlled temperature and humidity with the preset air temperature and humidity, and when the air temperature is higher than the preset control temperature or the air humidity is lower than the preset air humidity, return The wind electric valve sends a closing signal, sends an opening signal to the ventilation electric valve, and sends a starting signal to the pipeline exhaust fan.

Optionally, the control module, when the air temperature is lower than the preset control temperature or the air humidity is higher than the preset air humidity, sends an open signal to the return air electric valve, and sends a close signal to the ventilation electric valve. signal to the duct exhaust fan to shut down.

Optionally, the device further includes: a display module, configured to display the soil temperature and humidity measured by the soil temperature and humidity sensor and the number of the corresponding air-drying unit where the soil sample is located. The utility model provides a soil batch quick air-drying device. The dehumidifier realizes the internal circulation of the air in the air-drying box through the air outlet pipe and the return air pipe, and air-dries the soil samples in the air-drying unit room; there is a soil temperature and humidity sensor in the air-drying unit room to measure The temperature and humidity of the soil, when the temperature and humidity exceed the preset value, the control module closes the return air electric valve, opens the ventilation electric valve, closes the internal dehumidification cycle in the air-drying box, stops the air-drying of the soil sample, and realizes the automatic air-drying of the soil ;In each air-drying unit, there are air inlets, return air outlets and soil temperature and humidity sensors. The monitoring and air-drying of soil samples is as small as a sample tray. If there is a soil sample in the sample tray that is air-dried first, it can be taken out first. The samples can be taken out after air-drying. The air-drying of soil samples does not affect each other, avoiding cross-infection between soil samples, and it is also possible to avoid the air-drying degree of soil samples not meeting the requirements due to the same air-drying time. test.

Further, the utility model is also provided with a purification box, which is provided with a filter screen, and the gas returned by the return air pipe enters the pipeline dehumidifier through the purification box, and dust enters during the air-drying process, which affects dehumidification.

Further, the utility model is also equipped with a pipeline exhaust fan, which prevents the gas in the return air pipe from flowing back into the air drying unit when the ventilation electric valve is opened and the return air electric valve is closed, so as to realize the circulation of external air and internal air.

Further, the utility model is provided with a drain pipe of the dehumidifier to increase the service life of the dehumidifier.

Furthermore, the air-drying box is sealed against the door, which is conducive to the internal air-tight circulation, creating a clean environment for air-drying, and is conducive to the air-drying of the soil. It also facilitates the entry of external air into the internal circulation.

Furthermore, the air inlet and outlet of the internal and external air circulation of the utility model are provided in each air-drying unit room to realize the separate air-drying of the soil in each sample tray, greatly reducing the phenomenon of uneven air-drying of the soil ; The air inlet is on the bottom and the air outlet is on the top, which is conducive to air circulation.

Further, the utility model is equipped with an air temperature and humidity sensor to monitor the temperature and humidity in the air-drying box in real time, and reduce the influence of the air temperature or humidity inside the air-drying box on the soil sample.

Description of drawings

Fig. 1 is a schematic diagram of the external structure of the utility model soil batch quick air-drying device;

Fig. 2 is the internal structure diagram of the utility model soil batch fast air-drying device;

Fig. 3 is the schematic diagram of air-drying unit room;

Fig. 4 is the control system structure schematic diagram of soil batch fast air-drying device;

Among them: main box 1-1, air drying box 1-2, control module 1-3, side-by-side door 1-4, wheels 1-5, alarm module 1-6, display module 1-7, pipeline dehumidifier 2-1 , air temperature and humidity sensor 2-2, air outlet pipe 2-3, air drying unit room 2-4, return air pipe 2-5, purification box 2-6, ventilation electric valve 2-7, return air electric valve 2-8 , Duct exhaust fan 2-9, air outlet 3-1, air inlet 3-2, soil sample tray 3-3, soil temperature and humidity sensor 3-4, sealing unit door 3-5.

detailed description

In order to make the purpose, technical solution and advantages of the utility model clearer, the following examples further describe the utility model in detail. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The utility model soil batch rapid air-drying device: adopts the dry air purified by the pipeline dehumidifier to transport to the independent air-drying unit room to prevent mutual contamination of samples, and monitors the air in the device in real time according to the air temperature and humidity sensor and the soil temperature and humidity sensor. According to the temperature and humidity of soil samples, the device can realize two modes of internal circulation and external circulation, and can automatically operate different modes according to the setting of temperature and humidity parameters, so as to perform safe and efficient air-drying and dehumidification operations on soil samples.

As shown in Figure 1, the exterior of the quick air-drying device in batches provided by the utility model is divided into: a main frame 1-1, an air-drying box 1-2, and the air-drying box 1-2 is a square box with doors 1-4 on one side. Sealing strips are provided on the closed side of the door 1-4; wheels 1-5 are provided at the bottom four corners of the air-drying box 1-2. A pipeline dehumidifier 2-1 and a control module 1-3 are placed inside the main box 1-1. The control module 1-3 provides an operable control panel and is arranged on the side of the main box. The operator can preset the temperature and temperature of the soil through the control panel. Humidity, the display modules 1-6 can also be set on the main chassis to display the current temperature and humidity of the soil sample. The main chassis 1-1 and the air-drying box 1-2 can be integrated but different parts, or the main chassis can be placed on the air-drying box. The pipeline type dehumidifier and the control module are placed in the main box 1-1, and can also be placed directly on the air drying box.

As shown in Figure 2, a pipeline dehumidifier 2-1 is placed in the main box, and at least one or more air-drying layers are arranged in the air-drying box 1-2, and at least one or more air-drying layers are arranged on each air-drying layer. The air-drying unit room 2-4 above; the nozzle of the air outlet pipe 2-3 of the pipeline type dehumidifier 2-1 leads to the air-drying unit room 2-4, and the return of the pipeline type dehumidifier 2-1 The mouth of the air duct 2-5 leads to the air-drying unit chamber 2-4;

As shown in Figure 2, a purification box 2-6 is provided on the return air pipe 2-5, the ventilation electric valve 2-7 is opened, and the gas flowing into the pipeline type dehumidifier 2-1 passes through the purification box 2 -6; the return air electric valve 2-8 is opened and the gas flowing into the pipeline dehumidifier 2-1 passes through the purification box 2-6; that is, whether it is the return gas inside the air drying box or the gas ventilated from the outside Before entering the pipeline dehumidifier, it must be purified through a purification box to prevent dust or impurities in the gas from entering the pipeline dehumidifier and hindering dehumidification.

As shown in Figure 2, in order to improve the effect of soil air-drying and prevent the soil sample from being affected by too high temperature or too low humidity in the air-drying box, an air temperature and humidity sensor 2-2 is arranged in the air outlet pipe 2-3 to measure the air temperature and humidity. The temperature and humidity of the air in the duct 2-3 are reported, and the temperature and humidity of the air are sent to the control module 1-3.

As shown in FIG. 2 , an electric ventilation valve 2-7, an electric return valve 2-8 and a pipeline exhaust fan 2-9 are arranged on the air return pipe 2-5.

As shown in Fig. 2, a dehumidifier drain pipe 2-10 is provided on the side of the air outlet pipe of the pipeline dehumidifier 2-1 for draining the moisture absorbed by the pipeline dehumidifier after dehumidification.

As shown in Figure 3, the air-drying unit chamber 2-4 is a square box that is provided with a sealed unit door 3-5 on one side, and a soil sample tray 3-3 is placed in the air-drying unit chamber, and the bottom of the air-drying unit chamber 2-4 is provided with an inlet Air outlet 3-2, the mouth of the air outlet pipe 2-3 enters the air drying unit chamber 2-4 through the air inlet 3-2; the top of the air drying unit chamber is provided with an air outlet 3-1, and the air outlet The mouth of the air pipe 2-5 enters the air drying unit chamber 2-4 through the air outlet 3-2. The soil sample tray 3-3 is used to place the soil sample and is made of plastic material; the soil temperature and humidity sensor 3-4 is inserted in the soil sample, and the soil temperature and humidity sensor measures the temperature and humidity of the soil in the air-drying unit chamber 2-4 , sending the temperature and humidity of the soil to the control module 1-3; the sealing unit door 3-5 is made of dark transparent plastic material. Each air-drying unit chamber 2-4 in the air-drying box is independently isolated to prevent mutual contamination between samples.

Described air-drying unit room 2-4 is provided with soil temperature-humidity sensor, in control module program setting, can number each air-dry unit room, number corresponding to the soil temperature-humidity sensor in each air-dry unit room; Like this The control module can specify a specific air-drying unit room when an alarm is issued.

As shown in Figure 4, it is a control system diagram of the soil batch quick air-drying device provided by the utility model, including: a control module 1-3, a soil temperature and humidity sensor 3-4, an air temperature and humidity sensor 2-2 and an alarm module 1-6;

When the ventilation electric valve 2-7 is closed, the air return electric valve 2-8 is opened, and the pipeline exhaust fan 2-9 is closed, the dehumidifier 2-1 is operated, and the device realizes the air-circulating air-drying mode; When the ventilation electric valve 2-7 is opened and the return air electric valve 2-8 is closed, in order to prevent the gas in the return air pipe 2-5 from flowing back into the air drying box, the return air electric valve is closed when the ventilation electric valve 2-7 is opened At 2-8, the pipeline exhaust fan 2-9 starts to discharge the gas in the return air pipe 2-5, realizing the air-drying mode of external air circulation.

The soil temperature and humidity sensor 3-4 is used to measure the temperature and humidity of the soil in the air-drying unit room, and send the soil temperature and humidity and the serial number of the air-drying unit room where the soil temperature and humidity sensor is located to the control module;

The control module 1-3 is used to compare the soil temperature and humidity measured by the soil temperature and humidity sensor with a preset soil temperature and humidity range, and when the soil temperature and humidity fall within the preset soil temperature and humidity range , send an alarm signal to the alarm module to take out the soil sample and the number of the air-drying unit room where the soil sample is located;

The alarm module 1-6 is used to send out an alarm signal for taking out the soil sample corresponding to the number of the air-drying unit.

In order to reduce the influence of the high temperature of the air inside the device on the soil sample, the utility model also provides an optional embodiment:

The air temperature and humidity sensor 2-2 is used to measure the air temperature and humidity in the air-drying box, and send the air temperature and humidity to the control module 1-3;

The control module 1-3 is used to compare the controlled temperature and humidity with the preset air temperature and humidity, when the air temperature is higher than the preset air temperature or the air humidity is lower than the preset air humidity , send a closing signal to the return air electric valve 2-8, send an opening signal to the ventilation electric valve 2-7, send a starting signal to the duct exhaust fan 2-9, and the device operates in an external circulation air-drying mode.

The air temperature and humidity sensor sends the monitored current air temperature and humidity data to the control module in real time. When the air temperature is lower than the preset air temperature or the air humidity is greater than the preset air humidity, the control module sends the return air electric valve 2-8 to open A signal is sent to open the ventilation electric valve 2-7, and a closed signal is sent to the pipeline exhaust fan 2-9 to open the internal circulation air-drying mode to continue the air-drying of the soil sample.

The device also includes: a display module 1-7, configured to display the soil temperature and humidity measured by the soil temperature and humidity sensor and the number of the corresponding air-drying unit where the soil sample is located.

In addition, the control module 1-3 can also preset the temperature and humidity range of the soil at the same time, and when the temperature and humidity range of the soil falls into the preset soil temperature range, it will prevent the sample from being damaged by the temperature and send an alarm to stop the dehumidifier At the same time, you can open the ventilation electric valve 2-7 and close the return air electric valve 2-8, open the pipeline exhaust fan 2-9 to introduce external air to reduce the sample temperature, and run the external circulation air-drying mode.

The embodiment of the utility model also provides another air-drying method. The air-drying time, air temperature and humidity, and soil temperature and humidity of all soil samples are preset in the control module, and the entire device is started to start timing. Circulation mode and external circulation mode, when the preset time is reached, the air drying ends. This method is convenient, direct, fast, and realizes automatic air-drying.

The operation and use process of the device:

Preparation: Put an appropriate amount of soil samples to be air-dried in the sample tray 3-3, and use wooden or plastic tools to spread the samples as far as possible to facilitate air-drying; set the air-drying time on the control panel outside the main box through the control module 1-3 As well as the range of temperature and humidity, the air humidity is generally set at 35%-40%.

Operation: After the sample is placed, close the side-by-side doors 1-4, and start the operation of the dehumidifier through the control module 1-3 of the control module. When the upper ventilation electric valve 2-7 is closed and the return air electric valve 2-8 is opened at the same time, The air circulates internally in the device, which can quickly reduce the air humidity; when the air temperature in the air-drying box rises above the set temperature after the device has been running for a certain period of time, the air temperature and humidity sensor will send the monitored data to the control module 1-3 , the control module opens the ventilation electric valve 2-7 and closes the return air electric valve 2-8 at the same time, the pipeline dehumidifier 2-1 sucks in external air, and the pipeline exhaust fan 2-9 opens to discharge air to the outside, which can reduce the air pressure inside the device. The impact of high temperature on soil samples; the soil temperature and humidity data measured by the soil temperature and humidity sensors 3-4 arranged in each air-drying unit chamber 2-4 are displayed on the control panel, and can be passed according to the set soil temperature and humidity range. The alarm module prompts the sample to finish air-drying. If the air-drying time is set on the control panel of the control module, after the air-drying time is up, the control module notifies the pipeline dehumidifier to shut down, and the air-drying ends.

End: When a single soil sample reaches the required humidity conditions, open the side-by-side door 1-4 and the sealed unit door 3-5 to take out the sample without affecting the air-drying process of other samples. After the entire soil sample is completely air-dried, the machine is turned off and cleaned Cells 2-4 were air dried for the next use.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. A soil batch air-drying device is characterized in that, comprising: a pipeline dehumidifier and an air-drying box, one or more air-drying layers are fixedly installed in the air-drying box, and the air-drying layer is separately provided with one or more More than one air-drying unit room; the mouth of the air outlet pipe of the pipeline dehumidifier leads to the air-drying unit room, and the mouth of the return air pipe of the pipeline type dehumidifier leads to the air-drying unit room. The return air pipe is provided with a ventilation electric valve and a return air electric valve, close the ventilation electric valve, open the return air electric valve, and start air drying; a soil temperature and humidity sensor is arranged in the air drying unit room, and the The soil temperature and humidity sensor measures the temperature and humidity of the indoor soil of the air-drying unit, and sends the temperature and humidity of the soil to the control module; When within the preset soil temperature and humidity range, an alarm is issued to take out the soil sample in the air-drying unit chamber. 2. The soil batch quick air-drying device according to claim 1, characterized in that, a purification box is arranged on the return air pipe, the ventilation electric valve is opened, and the gas flowing into the pipeline type dehumidifier passes through the A purification box; the return air electric valve is opened, and the gas flowing into the pipeline type dehumidifier passes through the purification box. 3. according to claim 1 and 2 described soil batch fast air-drying devices, it is characterized in that an air temperature and humidity sensor is arranged in the described air outlet pipe to measure the air temperature and humidity in the described air outlet pipe, Send the temperature and humidity of the air to the control module; when the air temperature is greater than the preset air temperature or lower than the preset air humidity of the control module, the control module sends an open signal to the ventilation electric valve signal to send a closing signal to the return air electric valve. 4. The soil batch air-drying device according to claim 3, characterized in that, the return air pipe is provided with a pipeline exhaust fan, and when the ventilation electric valve is opened and the return air electric valve is closed, the pipeline exhaust fan starts to discharge The gas in the return air duct. 5. The soil batch air-drying device according to claim 1, characterized in that, a dehumidifier drain pipe is arranged on the side of the air outlet pipe on the pipeline dehumidifier for discharging the dehumidified dehumidifier. absorbed moisture. 6. soil batch quick air-drying device according to claim 1, is characterized in that, described air-drying unit chamber front is provided with sealing unit door facing the air-drying box side-by-side door, and described air-drying unit chamber bottom is provided with air inlet, and described air-drying unit chamber bottom is provided with air inlet. The nozzle of the air outlet pipe enters the air-drying unit chamber through the air inlet; the top of the air-drying unit chamber is provided with an air outlet, and the nozzle of the return air pipe enters the air-drying unit chamber through the air outlet. 7. A control system for a soil batch quick air-drying device, comprising: a control module, a soil temperature and humidity sensor and an alarm module; The soil temperature and humidity sensor is used to measure the temperature and humidity of the soil in the air-drying unit room, and send the soil temperature and humidity and the serial number of the air-drying unit room where the soil temperature and humidity sensor is located to the control module; The control module is configured to compare the soil temperature and humidity measured by the soil temperature and humidity sensor with a preset soil temperature and humidity range, and when the soil temperature and humidity falls within the preset soil temperature and humidity range, send The alarm module sends an alarm signal that takes out the soil sample and the number of the air-drying unit room where the soil sample is located; The alarm module is used to send out an alarm signal for taking out the soil sample corresponding to the number of the air-drying unit. 8. The control system of the soil batch quick air-drying device according to claim 7, wherein the device also includes: an air temperature and humidity sensor for measuring the air temperature and humidity in the air-drying box, and sending the air temperature and humidity to the control module; The control module is used to compare the controlled temperature and humidity with the preset air temperature and humidity, and when the air temperature is higher than the preset control temperature or the air humidity is lower than the preset air humidity, return The wind electric valve sends a closing signal, sends an opening signal to the ventilation electric valve, and sends a starting signal to the pipeline exhaust fan. 9. The control system of the soil batch quick air-drying device according to claim 8, characterized in that, the control module, when the air temperature is less than the preset control temperature or the air humidity is greater than the preset air humidity , send an open signal to the return air electric valve, a close signal to the ventilation electric valve, and a close signal to the duct exhaust fan. 10. The control system of the soil batch quick air-drying device according to any one of claims 7, 8, 9, characterized in that, the device further comprises: a display module for displaying the soil measured by the soil temperature and humidity sensor Temperature and humidity and the number of the air-drying unit where the corresponding soil sample is located.