CN118489325A - Active hydrogen equipment and application for improving soil compaction and saline-alkali land - Google Patents

Abstract

The present invention belongs to the technical field of soil improvement, and provides an active hydrogen device and application for improving soil compaction and saline-alkali land. The active hydrogen device includes a control system, an active hydrogen generating device and a soil mixer; the outlet of the active hydrogen generating device is connected to the soil mixer; the active hydrogen generating device can generate active hydrogen; the soil mixer is used to mix active hydrogen, soil to be treated and organic matter; the control system is used to monitor and manage the working process of the active hydrogen device. The present invention uses active hydrogen to improve soil compaction and salinization problems, and has the advantages of simple operation, significant effect, environmental protection and no pollution. Practical application shows that the equipment can effectively reduce soil salinity, improve soil structure, increase soil fertility and biodiversity, and provide strong support for agricultural production.

Description

Active hydrogen equipment and application for improving soil compaction and saline-alkali land

Technical Field

The invention relates to the technical field of soil improvement, and in particular to an active hydrogen device for improving soil compaction and saline-alkali land and its application.

Background Art

Soil compaction and salinization are common soil problems in agricultural production, which seriously affect crop growth and yield. Although traditional soil improvement methods such as tillage and addition of organic matter can improve soil structure to a certain extent, the operation is cumbersome and the effect is limited. In recent years, with the in-depth research on hydrogen in the field of environmental protection and restoration, it has been found that hydrogen has a good repair effect on soil heavy metal pollution, etc. Therefore, the present invention proposes an active hydrogen device and application for improving soil compaction and improving saline-alkali land.

Summary of the invention

The purpose of the present invention is to provide an active hydrogen device and application for improving soil compaction and ameliorating saline-alkali land, so as to overcome the defects of the prior art.

In order to achieve the above-mentioned object of the invention, the present invention provides the following technical solutions:

The present invention provides an active hydrogen device for improving soil compaction and ameliorizing saline-alkali land, the active hydrogen device comprising a control system, an active hydrogen generating device and a soil mixer; the outlet of the active hydrogen generating device is connected to the soil mixer; the active hydrogen generating device can generate active hydrogen; the soil mixer is used to mix active hydrogen, soil to be treated and organic matter; the control system is used to monitor and manage the working process of the active hydrogen device.

Preferably, the mixing stirring rate is 200 to 500 r/min;

The mixing time is 3 to 5 hours.

Preferably, the active hydrogen generating device comprises a nanoporous material, an electrolyte, an electrolytic cell and a power source.

Preferably, the nanoporous material comprises an anode material and a cathode material;

The anode material is one or more of metal, ruthenium metal, iridium oxide and ruthenium oxide;

The cathode material is one or more of platinum metal, nickel metal and platinum-nickel alloy.

Preferably, the pore diameter of the nanoporous material is 20-80 nm.

Preferably, the electrolyte is one or more of water, potassium hydroxide solution and sodium hydroxide solution;

The mass concentration of the potassium hydroxide solution is 20-30%;

The mass concentration of the sodium hydroxide solution is 20-30%.

Preferably, the current density of the active hydrogen generator is 2500 to 3500 A/cm ³ .

Preferably, the temperature of the electrolytic cell is 70-90°C.

Preferably, the organic matter is decomposed compost or humus soil;

The mass of the organic matter is 1-5% of the mass of the soil to be treated.

The present invention also provides the application of the active hydrogen device for improving soil compaction and saline-alkali land in soil improvement.

Beneficial effects:

The present invention provides an active hydrogen device for improving soil compaction and saline-alkali land, which uses active hydrogen to improve soil compaction and salinization problems, and has the advantages of simple operation, significant effect, environmental protection and no pollution. Practical application shows that the device can effectively reduce soil salinity, improve soil structure, increase soil fertility and biodiversity, and provide strong support for agricultural production.

DETAILED DESCRIPTION

The present invention provides an active hydrogen device for improving soil compaction and ameliorizing saline-alkali land. The active hydrogen device preferably comprises a control system, an active hydrogen generating device and a soil mixer; the outlet of the active hydrogen generating device is connected to the soil mixer; the active hydrogen generating device can generate active hydrogen; the soil mixer is used to mix active hydrogen, soil to be treated and organic matter; the control system is used to monitor and manage the working process of the active hydrogen device.

In the present invention, the stirring rate of the mixing is preferably 200 to 500 r/min, more preferably 250 to 450 r/min, and more preferably 300 to 400 r/min.

In the present invention, the mixing time is preferably 3 to 5 hours, more preferably 3.4 to 4.6 hours, and even more preferably 3.8 to 4.2 hours.

In the present invention, the active hydrogen generating device preferably includes a nanoporous material, an electrolyte, an electrolytic cell and a power source.

In the present invention, the nanoporous material preferably includes an anode material and a cathode material.

In the present invention, the anode material is preferably one or more of iridium metal, ruthenium metal, iridium oxide and ruthenium oxide.

In the present invention, the cathode material is preferably one or more of platinum metal, nickel metal and platinum-nickel alloy.

In the present invention, the pore diameter of the nanoporous material is preferably 20 to 80 nm, more preferably 30 to 70 nm, and even more preferably 40 to 60 nm.

In the present invention, the electrolyte is preferably one or more of water, potassium hydroxide solution and sodium hydroxide solution.

In the present invention, the mass concentration of the potassium hydroxide solution is preferably 20-30%, more preferably 22-28%, and more preferably 24-26%.

In the present invention, the mass concentration of the sodium hydroxide solution is preferably 20-30%, more preferably 22-28%, and more preferably 24-26%.

In the present invention, the current density of the active hydrogen generator is preferably 2500 to 3500 A/cm ³ , more preferably 2700 to 3300 A/cm ³ , and even more preferably 2900 to 3000 A/cm ³ .

In the present invention, the temperature of the electrolytic cell is preferably 70 to 90°C, more preferably 74 to 86°C, and even more preferably 78 to 82°C.

In the present invention, the active hydrogen generating device further includes a gas purification system.

In the present invention, zinc oxide is used to adsorb sulfides and chlorides of the crude active hydrogen product to obtain active hydrogen.

In the present invention, the organic matter is preferably decomposed compost or humus.

In the present invention, the mass of the organic matter is preferably 1-5% of the mass of the soil to be treated, more preferably 1.5-4.5%, and even more preferably 2-4%.

In the present invention, the soil compaction degree and salinity parameters are set by the control system, and the generation rate and release amount of active hydrogen gas can be automatically adjusted. Active hydrogen, soil to be treated and organic matter are mixed in a soil mixer to obtain improved soil.

The present invention also provides an application of an active hydrogen device for improving soil compaction and saline-alkali land in soil improvement.

The technical solutions provided by the present invention are described in detail below in conjunction with the embodiments, but they should not be construed as limiting the protection scope of the present invention.

Example 1

Iridium oxide with a pore size of 20 nm is used as an anode, and platinum metal with a pore size of 20 nm is used as a cathode. They are placed in an electrolytic cell filled with water, and a power source is connected. The current density is 2500A/ ^cm3 . Electrolysis is performed at 70°C to generate a crude active hydrogen product. Zinc oxide is used to adsorb the crude active hydrogen product. The generation rate and release amount of active hydrogen gas are automatically adjusted by setting the soil compaction degree and salinity parameters of the control system. The adsorbed active hydrogen is introduced into a soil mixer containing soil to be treated and organic matter (the mass of the organic matter is 1% of the mass of the soil to be treated), and mixed at a rate of 200r/min for 3h to obtain improved soil.

Example 2

A ruthenium oxide with a pore size of 80 nm is used as an anode, and a nickel metal with a pore size of 80 nm is used as a cathode. The two are placed in an electrolytic cell containing a sodium hydroxide solution with a mass concentration of 25%. A power source is connected, wherein the current density is 3500 A/cm ³ , and electrolysis is performed at 90° C. to generate a crude active hydrogen product. Zinc oxide is used to adsorb the crude active hydrogen product. The generation rate and release amount of the active hydrogen gas are automatically adjusted by setting the soil compaction degree and salinity parameters of the control system. The adsorbed active hydrogen is introduced into a soil mixer containing soil to be treated and organic matter (wherein the mass of the organic matter is 5% of the mass of the soil to be treated), and mixed at a rate of 500 r/min for 5 hours to obtain improved soil.

Example 3

Iridium oxide with a pore size of 50 nm is used as an anode, and platinum nickel metal with a pore size of 50 nm is used as a cathode, and placed in an electrolytic cell containing a potassium hydroxide solution with a mass concentration of 25%. A power source is connected, wherein the current density is 3000A/ ^cm3 , and electrolysis is performed at 80°C to generate a crude active hydrogen product, which is adsorbed by zinc oxide, and the generation rate and release amount of active hydrogen gas are automatically adjusted by setting soil compaction degree and salinity parameters by a control system, and the adsorbed active hydrogen is introduced into a soil mixer containing soil to be treated and organic matter (wherein the mass of the organic matter is 3% of the mass of the soil to be treated), and mixed at a rate of 350r/min for 4 hours to obtain improved soil.

It can be seen from the above embodiments that the present invention provides an active hydrogen device for improving soil compaction and saline-alkali land, which uses active hydrogen to improve soil compaction and salinization problems, and has the advantages of simple operation, significant effect, environmental protection and no pollution. Practical application shows that the device can effectively reduce soil salinity, improve soil structure, increase soil fertility and biodiversity, and provide strong support for agricultural production.

The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims (10)

1. An active hydrogen device for improving soil compaction and ameliorizing saline-alkali land, characterized in that the active hydrogen device comprises a control system, an active hydrogen generating device and a soil mixer; the outlet of the active hydrogen generating device is connected to the soil mixer; the active hydrogen generating device can generate active hydrogen; the soil mixer is used to mix active hydrogen, soil to be treated and organic matter; the control system is used to monitor and manage the working process of the active hydrogen device. 2. The active hydrogen device according to claim 1, characterized in that the stirring rate of the mixing is 200 to 500 r/min; The mixing time is 3 to 5 hours. 3 . The active hydrogen equipment according to claim 1 , wherein the active hydrogen generating device comprises a nanoporous material, an electrolyte, an electrolytic cell and a power source. 4. The active hydrogen device according to claim 3, characterized in that the nanoporous material comprises an anode material and a cathode material; The anode material is one or more of metal, ruthenium metal, iridium oxide and ruthenium oxide; The cathode material is one or more of platinum metal, nickel metal and platinum-nickel alloy. 5 . The active hydrogen device according to claim 3 , wherein the pore size of the nanoporous material is 20 to 80 nm. 6. The active hydrogen device according to claim 3, characterized in that the electrolyte is one or more of water, potassium hydroxide solution and sodium hydroxide solution; The mass concentration of the potassium hydroxide solution is 20-30%; The mass concentration of the sodium hydroxide solution is 20-30%. 7 . The active hydrogen device according to claim 3 , wherein the current density of the active hydrogen generating device is 2500 to 3500 A/cm ³ . 8. The active hydrogen device according to claim 3, characterized in that the temperature of the electrolytic cell is 70-90°C. 9. The active hydrogen device according to claim 1, characterized in that the organic matter is decomposed compost or humus soil; The mass of the organic matter is 1-5% of the mass of the soil to be treated. 10. Use of the active hydrogen device for improving soil compaction and saline-alkali land according to any one of claims 1 to 9 in soil improvement.