CN207507973U - A kind of Soil Mercury Pollution prosthetic device - Google Patents

Abstract

The utility model discloses a kind of Soil Mercury Pollution prosthetic device, including babinet, case lid, electromagnetic wave heating device, cooling bay, wind turbine, blast pipe, valving, delivery pipe, power supply；The babinet upper end is equipped with opening, the case lid is covered in the opening, the babinet includes the heating cabinet equipped with the electromagnetic wave heating device and the cooling storehouse equipped with cooling bay, the cooling bay memory is placed with coolant, the wind turbine is connected by the blast pipe with the heating cabinet, the valving is set on the blast pipe, the cooling storehouse is connected by the delivery pipe with the heating cabinet, on the delivery pipe be located at the cooling storehouse in one end extend in the coolant, the electromagnetic wave heating device, wind turbine respectively with the power electric connection.The present apparatus can more thoroughly separate the mercury in soil, and can be collected the mercury separated to utilize.

Description

A soil mercury pollution remediation device

technical field

The utility model relates to the technical field of soil heavy metal restoration, in particular to a soil mercury pollution restoration device.

Background technique

Mercury is a heavy metal that is harmful to the human body. There are many ways for mercury to enter the soil, such as atmospheric deposition, discharge of industrial wastewater and domestic sewage, discharge from mercury smelters and mercury preparation plants, and unreasonable use of mercury-containing fertilizers and pesticides in agricultural farming. Mercury in the soil is toxic to crops and accumulates in crops, resulting in crop yield reduction and even death, which affects the safety of the ecosystem and finally enters the human body through the food chain, directly posing a threat to human health. Therefore, it is necessary to repair mercury-contaminated soil It seems very necessary. At present, in the existing soil pollution remediation methods, electrothermal remediation is a commonly used remediation method for separating mercury in the soil. However, although direct heating of the soil can separate the mercury in the soil, due to The accumulation of the soil and the fluidity of the gas are poor, and it is difficult for the mercury in the soil to escape and separate completely, and it will cause air pollution after escaping and cannot be reused.

Utility model content

In order to overcome the above-mentioned defects of the prior art, the utility model provides a soil mercury pollution remediation device capable of relatively thoroughly separating mercury in the soil, and collecting the separated mercury for utilization.

The technical solution adopted by the utility model to solve the problems in the prior art is: a soil mercury pollution restoration device, including a box body, a box cover, an electromagnetic wave heating device, a cooling pool, a fan, an air inlet pipe, a valve device, and a discharge pipe , power supply; the upper end of the box body is provided with an opening, the box cover is closed on the opening, the box body includes a heating chamber provided with the electromagnetic wave heating device and a cooling chamber provided with a cooling pool, the Cooling liquid is stored in the cooling pool, the fan communicates with the heating chamber through the air inlet pipe, the valve device is arranged on the air inlet pipe, and the cooling chamber communicates with the heating chamber through the discharge pipe In communication, one end of the discharge pipe located in the cooling chamber extends into the cooling liquid, and the electromagnetic wave heating device and the fan are respectively electrically connected to the power supply.

As a preferred solution of the present utility model, the heating compartment is also provided with a baffle that divides it into upper and lower cavities, the baffle is provided with dense grids, and the electromagnetic wave heating device is located in the In the cavity above the partition, the air inlet pipe includes a main pipe communicated with the fan, and a first branch pipe and a second branch pipe communicated with the main pipe, the valve device is arranged on the main pipe, and the The first branch pipe communicates with the cavity above the partition, and the second branch communicates with the cavity below the partition.

As a preferred solution of the present utility model, the valve device is a manual rotary valve.

As a preferred solution of the present utility model, the soil mercury pollution remediation device further includes a stirring device arranged in the heating chamber and electrically connected to the power supply.

As a preferred solution of the present utility model, the cooling liquid is water.

As a preferred solution of the present utility model, a sealing ring is provided between the box body and the box cover.

As a preferred solution of the present utility model, the box body is provided with a transparent window for observing the cooling pool.

As a preferred solution of the present utility model, the soil mercury pollution remediation device further includes a temperature sensor arranged in the heating chamber, and a display device arranged outside the box and communicatively connected with the temperature sensor, the Both the temperature sensor and the display device are electrically connected with the power supply.

As a preferred solution of the present utility model, the display device is an LED digital display screen.

Compared with the prior art, the utility model has the following technical effects:

With the above technical solution, the fan is connected to the heating chamber through the air inlet pipe, and the airflow generated by the fan will enter the heating chamber through the air inlet pipe to accelerate the air flow in the heating chamber, so that the electromagnetic wave heating device in the heating chamber can heat the mercury-containing soil. The generated mercury vapor accelerates into the discharge pipe; the cooling chamber communicates with the heating chamber through the discharge pipe. When the concentration decreases, the mercury in the soil will more easily volatilize into the heating chamber and enter the discharge pipe under the action of the airflow. So that the mercury in the soil can be separated more thoroughly, and after the mercury is separated from the soil, the residual mercury vapor in the heating chamber can be completely discharged into the discharge pipe, and the mercury vapor will eventually be liquefied in the cooling pool, which is convenient Collect and utilize.

Description of drawings

Fig. 1 is the longitudinal sectional view of soil mercury pollution remediation device of the present utility model;

Fig. 2 is a front view of the soil mercury pollution remediation device of the present invention.

In the figure, 1-box body, 2-box cover, 3-electromagnetic wave heating device, 4-cooling pool, 5-fan, 6-air inlet pipe, 7-valve device, 8-discharge pipe, 9-baffle, 10 - stirring device, 11 - sealing ring, 12 - transparent window, 13 - temperature sensor, 14 - display device, 41 - cooling liquid, 61 - main pipe, 62 - first branch pipe, 63 - second branch pipe.

Detailed ways

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model will be further described. It should be noted here that the descriptions of these implementations are used to help understand the utility model, but are not intended to limit the utility model. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute conflicts with each other.

As shown in Figure 1, a soil mercury pollution remediation device includes a box body 1, a box cover 2, an electromagnetic wave heating device 3, a cooling pool 4, a fan 5, an air inlet pipe 6, a valve device 7, a discharge pipe 8, and a power supply; The upper end of the box body 1 is provided with an opening, and the box cover 2 is closed on the opening. The box body 1 includes a heating chamber provided with an electromagnetic wave heating device 3 and a cooling chamber provided with a cooling pool 4. A cooling liquid 41 is stored in the cooling pool 4. The fan 5 communicates with the heating chamber through the air inlet pipe 6, the valve device 7 is arranged on the air inlet pipe 6, the cooling chamber communicates with the heating chamber through the discharge pipe 8, and the end of the discharge pipe 8 located in the cooling chamber extends into the cooling liquid 41 , the electromagnetic wave heating device 3 and the fan 5 are respectively electrically connected to the power supply.

When using the soil mercury pollution remediation device, open the case cover 2, place mercury-containing soil into the heating chamber through the opening, then close the case cover 2 and the valve device 7, and the electromagnetic wave heating device 3 will continue to heat the soil in the heating chamber through electromagnetic waves. Mercury-containing soil, as the temperature of the mercury-containing soil increases, the mercury attached to the soil particles will desorb and escape in gaseous form, and the escaped mercury vapor enters the cooling pool 4 through the discharge pipe 8 In the cooling liquid 41, the mercury vapor will liquefy when it contacts the cooling liquid 41, and stay in the cooling liquid 41, and will not escape into the atmosphere and cause air pollution. When the amount of mercury precipitated in the cooling liquid 41 decreased, the valve device 7 was opened, and the fan 5 was turned on. The airflow generated by the fan 5 would enter the heating chamber through the air inlet pipe 6, and accelerate the air flow in the heating chamber to make the heating chamber The mercury vapor in the soil is accelerated into the discharge pipe 8, and finally liquefied in the cooling pool 4. When the concentration of mercury vapor in the heating chamber decreases, the mercury in the soil will more easily volatilize into the heating chamber, and under the action of the airflow Into the discharge pipe 8, so that the mercury in the soil can be separated more thoroughly, and after the soil has completed the separation of mercury, the residual mercury vapor in the heating chamber can be completely discharged into the discharge pipe 8, and in the cooling pool 4 The liquefied mercury can be collected for utilization. When mercury is no longer separated out in the cooling liquid 41, it indicates that the remediation of the soil has been completed, and there is no mercury vapor in the heating chamber, and the blower fan 5 is closed.

The heating chamber is also provided with a dividing plate 9 which divides it into upper and lower cavities. The dividing plate 9 is provided with a dense grid. The electromagnetic wave heating device 3 is arranged in the cavity above the dividing plate 9. The air inlet pipe 6 It includes a main pipe 61 communicating with the fan 5, a first branch pipe 62 and a second branch pipe 63 communicating with the main pipe 61, the valve device 7 is arranged on the main pipe 61, the first branch pipe 62 communicates with the cavity above the partition plate 9, and the second branch pipe 62 communicates with the cavity above the partition plate 9. The two branch pipes 63 communicate with the cavity below the dividing plate 9 .

After the valve device 7 is opened and the fan 5 is turned on, the air flow will pass through the main pipe 61 and be divided into the first branch pipe 62 and the second branch pipe 63, and finally enter the cavity above the partition 9 and the partition 9 in the heating chamber respectively. in the cavity below. The airflow entering the cavity under the partition 9 will pass through the grid on the partition 9 and impact the soil, making the soil loose, which is beneficial to the heating of the soil and the escape of mercury, and can also accelerate the heating of the gas in the chamber. flow.

The valve device 7 is a manual rotary valve.

The soil mercury pollution remediation device also includes a stirring device 10 arranged in the heating chamber and electrically connected to the power supply.

The stirring device 10 will stir the soil in the heating chamber, so that the soil becomes loose and heated more evenly, which is more conducive to the separation and escape of mercury, and makes the separation of mercury from the soil more thorough.

The coolant 41 is water.

A sealing ring 11 is provided between the box body 1 and the box cover 2 .

Prevent mercury vapor from escaping from the box body 1 during the process of heating mercury-containing soil, causing air pollution.

As shown in FIG. 2 , the box body 1 is provided with a transparent window 12 for observing the cooling pool 4 .

The user can observe the precipitation of mercury in the cooling pool 4 through the transparent window 12, so as to judge the general situation of the mercury vapor concentration in the heating chamber, to decide whether to turn on the fan 5, and to judge whether the restoration of the soil is completed and whether the heating chamber is in the later stage. There is also residual mercury vapor.

The soil mercury pollution remediation device also includes a temperature sensor 13 arranged in the heating chamber, and a display device 14 arranged outside the box body 1 and connected to the temperature sensor 13 in communication. The temperature sensor 13 and the display device 14 are both electrically connected to the power supply.

The temperature sensor 13 will detect the temperature in the heating chamber in real time, and inform the user through the display device 14 that since the fan 5 is turned on in the process of heating the soil, the flow rate of the gas in the heating chamber is accelerated, which may cause the temperature in the heating chamber to drop. The user judges whether the temperature starts to drop by observing the data displayed on the display device 14, and if it drops, take measures such as increasing the power of the electromagnetic wave heating device 3 to make the temperature in the heating chamber rise rapidly, thereby avoiding mercury from the soil due to the drop in temperature. A reduction in the speed of separation.

The display device 14 is an LED digital display screen.

The embodiments of the utility model have been described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the utility model, various changes, modifications, replacements and modifications to these embodiments still fall within the protection scope of the utility model.

Claims (9)

1. a kind of Soil Mercury Pollution prosthetic device, it is characterised in that：Including babinet, case lid, electromagnetic wave heating device, cooling bay, Wind turbine, blast pipe, valving, delivery pipe, power supply；The babinet upper end is equipped with opening, and the case lid is covered on the opening On, the babinet includes the heating cabinet equipped with the electromagnetic wave heating device and the cooling storehouse equipped with cooling bay, the cooling bay Memory is placed with coolant, and the wind turbine is connected by the blast pipe with the heating cabinet, the valving be set on it is described into On air hose, the cooling storehouse is connected by the delivery pipe with the heating cabinet, is located in the cooling storehouse on the delivery pipe One end extend in the coolant, the electromagnetic wave heating device, wind turbine respectively with the power electric connection.

2. Soil Mercury Pollution prosthetic device according to claim 1, which is characterized in that be additionally provided in the heating cabinet by it It is divided into the partition board of upper and lower two cavitys, the partition board is equipped with fine and close grid, and the electromagnetic wave heating device is set on described In cavity on partition board, the blast pipe includes the supervisor connected with the wind turbine and is responsible for first connected with described Pipe, the second branch pipe, the valving are set on the supervisor, and first branch pipe is connected with the cavity on the partition board, Second branch pipe is connected with the cavity under the partition board.

3. Soil Mercury Pollution prosthetic device according to claim 1 or 2, which is characterized in that the valving is manual Changeover valve.

4. Soil Mercury Pollution prosthetic device according to claim 1 or 2, which is characterized in that further include set on the heating Agitating device in storehouse, the agitating device and the power electric connection.

5. Soil Mercury Pollution prosthetic device according to claim 1 or 2, which is characterized in that the coolant is water.

6. Soil Mercury Pollution prosthetic device according to claim 1 or 2, which is characterized in that the babinet and the case lid Between be equipped with sealing ring.

7. Soil Mercury Pollution prosthetic device according to claim 1 or 2, which is characterized in that the babinet is equipped with and is used for Observe the transparent window of the cooling bay.

8. Soil Mercury Pollution prosthetic device according to claim 1 or 2, which is characterized in that further include set on the heating Temperature sensor in storehouse and the display device being connect outside the babinet and with the temperature sensor communication, it is described Temperature sensor, display device with the power electric connection.

9. Soil Mercury Pollution prosthetic device according to claim 8, which is characterized in that the display device is digital for LED Display screen.