CN213187127U - Saline and alkaline land improvement salt discharging device - Google Patents

Abstract

The utility model relates to a saline-alkali soil improvement and salt elimination device, which comprises a mixing bin, a filtering pipe and a collecting tank which are sequentially communicated from top to bottom; the mixing bin is cylindrical, and the upper part and the bottom of the mixing bin are respectively provided with a feeding pipe and a filter screen communicated with the filter pipe; the upper part of the mixing bin is also provided with two water injection pipes, and the two feeding pipes are respectively positioned at two sides of the feeding pipe; air inlets are symmetrically formed in two sides of the mixing bin, and a first stirring device is arranged in the mixing bin; a reverse osmosis membrane is arranged in the filter pipe; a liquid outlet is arranged in the collecting tank. The utility model discloses can get rid of the salinity of saline and alkaline land soil by the efficient, it is effectual to get rid of.

Description

Saline and alkaline land improvement salt discharging device

Technical Field

The utility model relates to a salt discharging device, in particular to saline and alkaline land improvement salt discharging device.

Background

The saline-alkali soil is a kind of salt accumulation, which means that salt contained in the soil influences the normal growth of crops, various saline-alkali soils are formed under certain natural conditions, and the essence of the formation is that various easily soluble salts are redistributed in the horizontal direction and the vertical direction on the ground, so that the salt is gradually accumulated on the soil surface layer of a salt accumulation area.

Saline-alkali soil is a generic term for saline soil and alkaline earth. The saline soil mainly refers to saline soil with high chloride or sulfate content, and the soil is alkaline. The alkaline earth is soil containing carbonate or heavy phosphate, the pH value is higher, the soil is alkaline, the content of organic matters in saline-alkali soil is low, the soil fertility is low, the physicochemical property is poor, more anions and cations are harmful to crops, and the seedlings of the crops are not easy to promote.

As 9900 hectares of saline-alkali soil exist in China, crops are not easy to promote seedlings, and if the crops are not improved, the saline-alkali soil is wasted as a valuable land resource. At present, the method for improving the saline-alkali soil generally comprises the steps of filling water into a saline-alkali soil to dissolve the salt of the soil, discharging the soluble salt and the alkali in a surface soil layer into deep soil or leaching the soluble salt and the alkali out through infiltration, and draining the soluble salt and the alkali in the surface soil layer by infiltration into a drainage ditch, but a large amount of leaching water needs to be consumed in the process, so that the waste of water resources is caused.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome above-mentioned prior art not enough, provide a saline and alkaline land improvement salt discharging device, improved the utilization efficiency of water resource greatly, reduce the waste of water resource.

The utility model provides a technical scheme that its technical problem adopted does:

the device comprises a mixing bin, a filtering pipe and a collecting tank which are sequentially communicated from top to bottom;

the mixing bin is cylindrical, and the upper part and the bottom of the mixing bin are respectively provided with a feeding pipe and a filter screen communicated with the filter pipe; the upper part of the mixing bin is also provided with two water injection pipes, and the two feeding pipes are respectively positioned at two sides of the feeding pipe;

air inlets are symmetrically formed in two sides of the mixing bin, and a first stirring device is arranged in the mixing bin;

a reverse osmosis membrane is arranged in the filter pipe;

a liquid outlet is arranged in the collecting tank.

Further, a second stirring device is arranged in the collecting tank.

Further, the second stirring device comprises a fixed rod vertically arranged on the collecting tank and a stirring blade rotatably arranged at the top end of the fixed rod, and the stirring blade is horizontally arranged; the number of the stirring blades is more than one.

Further, first agitating unit is in including rotating the setting the pivot, the rigid coupling at mixing the storehouse center are in the stirring board and the rigid coupling of pivot periphery are at every the arc of stirring the board other end, the quantity of stirring board is 4-6, the arc is crooked to the center of mixing the storehouse.

Furthermore, a material leaking square hole is formed in the stirring plate.

Further, the collecting pool is communicated with the water injection pipe through a water pump.

Further, a liquid inlet is also arranged in the collecting tank.

The utility model has the advantages that:

1. the saline and alkaline land soil salinity can be efficiently removed, and the removal effect is good.

2. Can reuse water, avoid the waste of water resource.

3. The utility model discloses convenient to use, it is convenient to use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the first stirring device of the present invention;

FIG. 3 is a schematic structural view of a second stirring device of the present invention;

FIG. 4 is a schematic structural view of the material leaking square hole of the present invention;

in the figure: 1. the device comprises a mixing bin, 1-1 feeding pipe, 1-2 filter screens, 121 leaking square holes, 1-3 air inlets, 1-4 water injection pipes, 2 filter pipes, 2-1 reverse osmosis membranes, 3 collecting pools, 3-1 liquid inlets, 3-2 liquid outlets, 3-3 fixing rods and 3-4 stirring blades.

Detailed Description

The present invention is further described in detail with reference to the following examples, but the scope of the present invention is not limited thereto, and the scope of the claims is set forth in the claims.

As shown in fig. 1-4, the utility model provides a saline-alkali soil improvement and salt elimination device, which comprises a mixing bin 1, a filter pipe 2 and a collecting tank 3 which are sequentially communicated from top to bottom.

The mixing bin 1 is used for mixing the soil of the saline-alkali soil with water, and fully washing the soil to dissolve the salt of the soil. The filter pipe 2 is used for filtering the brine discharged from the mixing bin 1 to obtain pure water. The collecting tank 3 is used for collecting the filtered pure water.

As a further improvement of the utility model, the mixing bin 1 is cylindrical, and the upper part and the bottom part of the mixing bin are respectively provided with a feeding pipe 1-1 and a filter screen 1-2; the soil of saline-alkali soil to be treated enters the mixing bin 1 through the feeding pipe 1-1. The upper part of the mixing bin 1 is also provided with two water injection pipes 1-4 for injecting clean water into the mixing bin 1. The two feeding pipes 1-1 are respectively positioned at two sides of the feeding pipe 1-1; the injection ports of the water injection pipes 1-4 are positioned on the mixing bin 1, and the clean water in the water injection pipes 1-4 is injected into the mixing bin 1 through the injection ports. The water injection directions of the two water injection pipes 1-4 are oppositely arranged, and when seen from figure 1, the water injection pipe 1-4 positioned at the left side of the feeding pipe 1-1 inclines to the left, and the water injection direction is towards the right; the water injection pipes 1-4 on the right side of the feeding pipe 1-1 are inclined to the right and the water injection direction is inclined to the left, preferably, the water injection direction of the injection ports of the water injection pipes 1-4 forms an angle of 45 degrees with the vertical direction, so that the two water injection pipes 1-4 are injected with water simultaneously, on one hand, water for cleaning salt is provided, and on the other hand, the arrangement helps to disperse the soil to be treated, thereby facilitating the subsequent stirring.

Air inlets 1-3 are symmetrically arranged on two sides of the mixing bin 1, a first stirring device is arranged in the mixing bin 1, and reverse osmosis membranes 2-1 are arranged in the filtering pipes 2. The first stirring device is used for fully mixing the soil to be treated with water, and the water after mixing dissolves the salinity of the soil, so that the clear water becomes saline water, the saline-alkali soil is desalted, the treatment effect of the saline-alkali soil is improved on one hand through stirring, the utilization rate of the water can be improved on the other hand, and the consumption of water resources is reduced; the air inlet 1-3 is communicated with an air pump, and air is sent into the mixing bin 1, so that the uniform mixing degree of soil and water in the mixing bin 1 can be improved, and pressure can be provided for improving subsequent saline water through the reverse osmosis membrane 2-1. The bottom of mixing storehouse 1 is filter screen 1-2, and filter screen 1-2 are used for and filter tube 2 intercommunication, and water mixes the back with soil at mixing storehouse 1 completion stirring, and filter screen 1-2 intercepts soil on filter screen 1-2, and salt solution sees through filter screen 1-2 and flows out in filter tube 2, be provided with reverse osmosis membrane 2-1 in the filter tube 2, reverse osmosis membrane 3 is the artificial semipermeable membrane that has certain characteristic that a simulation biological semipermeable membrane made, can carry out the desalination treatment with salt solution through reverse osmosis membrane, and salt solution passes through reverse osmosis membrane 3 in order to separate fresh water. The two sides of the mixing bin 1 are symmetrically provided with air inlets 1-3, so that fresh water can be separated from salt water through a reverse osmosis membrane 3 under the pressure of air and the gravity of water. The separated fresh water flows into a collecting tank 3, and a liquid outlet 3-2 is arranged in the collecting tank 3. The liquid outlet 3-2 can discharge the water in the collecting tank 3 for secondary use, and the utilization rate of water resources is greatly improved.

Further, a second stirring device is arranged in the collecting tank 3. The mixing degree of the neutralizer and the water is improved, and the water quality is improved.

Further, the second stirring device comprises a fixed rod 3-3 vertically arranged on the collecting tank 3 and a stirring blade 3-4 rotatably arranged at the top end of the fixed rod 3-3, and the stirring blade 3-4 is horizontally arranged; the number of the stirring blades 3-4 is more than one. The fixed rod 3-3 is driven to rotate by a motor.

Further, first agitating unit is in including rotating the setting mix pivot 4, the rigid coupling at 1 center in storehouse and be in the stirring board 5 and the rigid coupling of 4 peripheries in pivot are every the arc of the 5 other ends of stirring board, the quantity of stirring board 5 is 4-6, the arc is crooked to the center of mixing storehouse 1. The rotating shaft 4 is driven to rotate by a motor, so that the stirring plate 5 rotates clockwise or anticlockwise, and the arc-shaped plate plays a role in stirring the mixture of soil and water. Thus being beneficial to the full mixing of the soil and the water, greatly improving the dissolution of the salt in the saline-alkali soil, improving the treatment effect and improving the utilization effect of the water.

Furthermore, a material leaking square hole 121 is formed in the stirring plate 5. This may further improve the mixing of the streams in the mixing silo 1.

Further, the collecting tank 3 is communicated with the water injection pipes 1-4 through a water pump 4. The water in the collecting tank 3 is sent back to the water injection pipes 1-4 again through the pumping of the water pump 4, and the next round of cleaning of the saline-alkali soil is carried out, so that the utilization efficiency of water resources is greatly improved.

Further, a liquid inlet 3-1 is also arranged in the collecting tank 3. In order to ensure the quality of water in the collecting tank 3, the liquid inlet 3-1 is used for adding an acid neutralizer to neutralize saline-alkali components, so that the quality of water is fully ensured.

The utility model discloses during the use, the saline and alkaline land soil with pending gets into in the mixed storehouse 1 through inlet pipe 1-1, mix storehouse 1 and inject water into the storehouse through water injection pipe 1-4, mix storehouse 1 and inject gas into to the storehouse through air inlet 1-3, saline and alkaline land soil and water abundant mixture in the storehouse, abundant washing, the best cleaning performance is realized to the input at limited water, the saline water leads to filter screen 1-2 after the washing to flow, filter through reverse osmosis membrane 2-1, the last set is in collecting pit 3, water in collecting pit 3 sends back water injection pipe 1-4 again through the pump sending through water pump 4, carry out the washing of the saline and alkaline land soil of next round, the utilization efficiency of the water resource has been improved greatly like this, after using, take out the soil after will handling from mixing storehouse 1, accomplish the salt discharge.

The utility model has the advantages of it is following:

4. the saline and alkaline land soil salinity can be efficiently removed, and the removal effect is good.

5. Can reuse water, avoid the waste of water resource.

6. The utility model discloses convenient to use, it is convenient to use.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. The utility model provides a saline and alkaline land improvement salt discharging device which characterized in that: which comprises a mixing bin (1), a filter pipe (2) and a collecting tank (3) which are communicated from top to bottom in sequence;

the mixing bin (1) is cylindrical, and the upper part and the bottom of the mixing bin are respectively provided with a feeding pipe (1-1) and a filter screen (1-2) communicated with the filter pipe (2); the upper part of the mixing bin (1) is also provided with two water injection pipes (1-4), and the two feeding pipes (1-1) are respectively positioned at the two sides of the feeding pipes (1-1);

air inlets (1-3) are symmetrically arranged on two sides of the mixing bin (1), and a first stirring device is arranged in the mixing bin (1);

a reverse osmosis membrane (2-1) is arranged in the filter pipe (2);

a liquid outlet (3-2) is arranged in the collecting tank (3).

2. The saline-alkali soil improvement and salt elimination device according to claim 1, characterized in that: and a second stirring device is arranged in the collecting tank (3).

3. The saline-alkali soil improvement and salt elimination device according to claim 2, characterized in that: the second stirring device comprises a fixed rod (3-3) vertically arranged on the collecting tank (3) and a stirring blade (3-4) rotatably arranged at the top end of the fixed rod (3-3), and the stirring blade (3-4) is horizontally arranged; the number of the stirring blades (3-4) is more than one.

4. The saline-alkali soil improvement and salt elimination device according to claim 1, characterized in that: first agitating unit is in including rotating the setting mix pivot, rigid coupling at storehouse (1) center and be in the stirring board (5) and the rigid coupling of pivot periphery are every the arc of stirring board (5) other end, the quantity of stirring board (5) is 4-6, the arc is crooked to the center of mixing storehouse (1).

5. The saline-alkali soil improvement and salt elimination device according to claim 4, characterized in that: and a material leaking square hole (121) is formed in the stirring plate (5).

6. The saline-alkali soil improvement and salt elimination device according to claim 1, characterized in that: the collecting pool (3) is communicated with the water injection pipes (1-4) through a water pump (4).

7. The saline-alkali soil improvement and salt elimination device according to claim 1, characterized in that: a liquid inlet (3-1) is also arranged in the collecting tank (3).

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