CN114467396A - Rapid salt elimination equipment for improving muddy saline-alkali soil and rapid salt elimination method thereof - Google Patents
Rapid salt elimination equipment for improving muddy saline-alkali soil and rapid salt elimination method thereof Download PDFInfo
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- CN114467396A CN114467396A CN202210123643.XA CN202210123643A CN114467396A CN 114467396 A CN114467396 A CN 114467396A CN 202210123643 A CN202210123643 A CN 202210123643A CN 114467396 A CN114467396 A CN 114467396A
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- 239000003513 alkali Substances 0.000 title claims abstract description 94
- 239000002689 soil Substances 0.000 title claims abstract description 93
- 150000003839 salts Chemical class 0.000 title claims abstract description 49
- 230000008030 elimination Effects 0.000 title claims description 18
- 238000003379 elimination reaction Methods 0.000 title claims description 18
- 238000000034 method Methods 0.000 title abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 225
- 239000013505 freshwater Substances 0.000 claims abstract description 25
- 238000005086 pumping Methods 0.000 claims description 41
- 238000002347 injection Methods 0.000 claims description 38
- 239000007924 injection Substances 0.000 claims description 38
- 238000009833 condensation Methods 0.000 claims description 25
- 230000005494 condensation Effects 0.000 claims description 25
- 238000001914 filtration Methods 0.000 claims description 25
- 239000003337 fertilizer Substances 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 18
- 238000001704 evaporation Methods 0.000 claims description 13
- 230000008020 evaporation Effects 0.000 claims description 13
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 11
- 239000003895 organic fertilizer Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000002378 acidificating effect Effects 0.000 claims description 9
- 239000003864 humus Substances 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 9
- 238000000746 purification Methods 0.000 claims description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- 239000011780 sodium chloride Substances 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 244000005700 microbiome Species 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000013590 bulk material Substances 0.000 claims description 3
- 238000009933 burial Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000006872 improvement Effects 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000000354 decomposition reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000011049 filling Methods 0.000 description 4
- 235000015097 nutrients Nutrition 0.000 description 4
- 239000012466 permeate Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000011120 plywood Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 229910001415 sodium ion Inorganic materials 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- XZPVPNZTYPUODG-UHFFFAOYSA-M sodium;chloride;dihydrate Chemical compound O.O.[Na+].[Cl-] XZPVPNZTYPUODG-UHFFFAOYSA-M 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B77/00—Machines for lifting and treating soil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mycology (AREA)
- Hydrology & Water Resources (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Environmental Sciences (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention discloses a rapid salt removing device for improving a muddy saline-alkali soil and a rapid salt removing method thereof, which can absorb water and irrigate the muddy saline-alkali soil at the same time, the irrigated water comes from water absorbed from the muddy saline-alkali soil, so that water resources can be recycled, waste of water resources is reduced, after the alkaline water in the muddy saline-alkali soil is absorbed, two-layer treatment is carried out, so that the absorbed alkaline water can be treated into fresh water, the fresh water is re-irrigated into the muddy saline-alkali soil, alkalinity in the muddy saline-alkali soil is diluted, and salt in the muddy saline-alkali soil can flow by absorbing and irrigating the muddy saline-alkali soil, so that more salt can be absorbed and discharged, and the salt content is reduced. The invention solves the problems that the saline-alkali soil cannot be utilized and is difficult to control.
Description
Technical Field
The invention relates to the technical field of saline-alkali soil treatment, in particular to rapid salt elimination equipment for improving muddy saline-alkali soil and a rapid salt elimination method thereof.
Background
The saline-alkali soil is soil with accumulated salts, particularly the normal growth of crops is influenced by the salts contained in the soil, according to incomplete statistics of textbook organization and grain and agriculture organization of the united nations, the area of the saline-alkali soil all over the world is 9.5438 hundred million hectares, and the area of the saline-alkali soil in China is 9913 million hectares. The formation of alkaline earth and alkalized soil in China is mostly related to the accumulation of carbonate in soil, so that the alkalization degree is generally high, plants in severe saline-alkaline earth regions can hardly survive, a large amount of silt saline-alkali soil exists in coastal regions, and the treatment process is more difficult.
Disclosure of Invention
In order to overcome the defects in the prior art, the rapid salt elimination equipment and the rapid salt elimination method for improving the muddy saline-alkali soil are provided so as to solve the problems that the saline-alkali soil cannot be utilized and is difficult to treat.
In order to realize the above-mentioned purpose, provide a quick salt elimination equipment in improvement silt matter saline and alkaline land, include:
the exchange assembly comprises a water pumping pipe and a water injection pipe which are oppositely arranged, the water pumping pipe and the water injection pipe are respectively embedded in the muddy saline-alkali soil to be improved, and the embedding depth of the water pumping pipe is smaller than that of the water injection pipe;
the pretreatment component comprises a first box body, wherein a filtering laminate is fixedly arranged in the first box body, a water storage bin connected with the water pumping pipe is formed between the upper side of the filtering laminate and the inner wall of the top of the first box body, an evaporation bin is formed between the lower side of the filtering laminate and the inner wall of the bottom of the first box body, a heating element, a condensation cover and a water receiving disc are arranged in the evaporation bin, and the condensation cover is arranged above the water receiving disc; and
purify the subassembly, including the second box, rotationally install the (mixing) shaft in the second box, the storage spare is installed to the (mixing) shaft, the inside of storage spare is formed with the holding cavity that is used for holding fertilizer and acid fertilizer, the lateral part of storage spare seted up communicate in the bulk material hole of holding cavity, the second box has been seted up and has been connected in water inlet and delivery port, water inlet pipe connection in the water collector, the delivery port pass through drain pipe connection in the water injection pipe.
Further, the filter screen is installed on the upper portion of filtering the plywood, filtering being formed with the inner chamber of plywood, detachably packing has the filter core in the inner chamber, the lateral wall of filtering the plywood set up communicate in the hole of permeating water of inner chamber.
Furthermore, a partition plate is mounted at the lower part of the filtering laminate, a water drainage through hole is formed in the partition plate, the partition plate is arranged above the condensation cover, a water passing hole is formed in the condensation cover, the water passing hole is provided with a water receiving opening and a water discharge opening, the water receiving opening is connected to the water drainage through hole, and the water discharge opening is arranged on the outer side of the water receiving tray.
Furthermore, the outer diameter of the water receiving disc is smaller than the inner diameter of the cover opening of the condensation cover, and the water receiving disc is connected to the condensation cover through a support column.
Further, the (mixing) shaft coaxial coupling has the carousel, the quotation of carousel is connected with a plurality of storage spares and stirring roller, the storage spare with the coaxial setting of stirring roller.
Further, the drinking-water pipe is connected with the vacuum pump through the negative pressure pipe, first valve is installed to the negative pressure pipe.
Furthermore, the suction pipe pass through the flow pipe connect in the retaining storehouse, the suction pump is installed to the flow pipe, the second valve is installed to the flow pipe.
Furthermore, the water injection pipe is connected with a pressurization water pipe, and the pressurization water pipe is provided with a third valve and a booster pump.
Further, the drain pipe is provided with a drain pump and a fourth valve.
The invention provides a construction method of rapid salt elimination equipment for improving silt saline-alkali soil, which comprises the following steps:
respectively embedding a water pumping pipe and a water injection pipe of the exchange assembly in the muddy saline-alkali soil to be improved, wherein the burial depth of the water pumping pipe is smaller than that of the water injection pipe;
conveying the accumulated saline water in the water pumping pipe to a water storage bin;
the saline-alkali water flows into the evaporation bin through the filtration of the filtration laminate and is heated and evaporated in the heating element;
the evaporated steam meets the condensation cover and then is condensed and then drops into the water receiving cover;
conveying the collected treated water in the water receiving cover to a second box body, and under the stirring of a stirring shaft, dissolving organic fertilizer and acidic fertilizer contained in a storage piece into the treated water, wherein the acidic fertilizer neutralizes the alkalinity of the treated water;
the purification fresh water after the neutralization treatment is injected into the water injection pipe through the pressurization of the water discharge pipe, so that the purification fresh water is injected into the silt saline-alkali soil, the salinity of the silt saline-alkali soil is further diluted, organic fertilizer in the purification fresh water is decomposed and converted by the microorganisms in the saline-alkali soil to form humus, the buffering capacity of the soil is improved, sodium humate can be formed under the action of sodium carbonate, and the alkalinity of the soil is reduced.
The rapid salt removing equipment for improving the muddy saline-alkali soil has the beneficial effects that the muddy saline-alkali soil can be irrigated while absorbing water, the irrigated water comes from the water absorbed from the muddy saline-alkali soil, water resources can be recycled, waste of water resources is reduced, after the alkaline water in the muddy saline-alkali soil is absorbed, two-layer treatment is carried out, the absorbed alkaline water can be treated into fresh water, the fresh water is re-irrigated into the muddy saline-alkali soil, the alkalinity in the muddy saline-alkali soil is diluted, and the salt in the muddy saline-alkali soil can flow by absorbing and irrigating the water in the muddy saline-alkali soil, so that more salt can be absorbed and discharged, and the salt content is reduced.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of a rapid salt elimination device for improving muddy saline-alkali soil according to an embodiment of the invention.
FIG. 2 is a front view of the rapid salt elimination equipment for improving muddy saline-alkali soil according to the embodiment of the invention.
FIG. 3 is a schematic structural diagram of a preprocessing assembly according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a purification assembly according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a condensation cover according to an embodiment of the invention.
Fig. 6 is a schematic structural diagram of a purification assembly according to an embodiment of the present invention.
Fig. 7 is an exploded view of the water injection pipe according to the embodiment of the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 7, the present invention provides a rapid salt elimination apparatus for improving muddy saline-alkali soil, comprising: an exchange module, a pre-treatment module 2 and a purification module 3.
In particular, the exchange assembly comprises a suction pipe 11 and a filling pipe 12. The pumping pipe 11 and the filling pipe 12 are arranged oppositely. Wherein, the water pumping pipe 11 and the water injection pipe 12 are respectively buried in the muddy saline-alkali soil to be improved. The burial depth of the pumping pipe 11 is smaller than that of the filling pipe 12.
As shown in fig. 7, the pumping pipe and the filling pipe respectively include a plurality of pipe sections and a drill bit. The multiple pipe sections are connected together in a head-tail threaded manner, and the drill bit is connected to the head-section pipe section. The pipe joint is provided with a plurality of water permeable holes, and filter screens are arranged in the water permeable holes.
In some embodiments, water outside the suction pipe permeates into the suction pipe through a filter screen of the suction pipe; on the contrary, the water inside the water injection pipe permeates into the outside of the water injection pipe through the filter net of the water injection pipe. Bury underground in silt matter saline and alkaline land at the water injection pipe, strengthen the internal pressure of water injection pipe through the mode of pressure boost for hydroenergy infiltration in the water injection pipe treats among the silt matter saline and alkaline land of improvement.
The pre-treatment assembly 2 comprises a first tank 21, a filter laminate 22, a heating element 24, a condensation cover 25 and a drip tray 26.
Wherein, the interior of the first box 21 is fixedly provided with a filtering layer plate 22. The filtering layer plate is arranged along the horizontal direction. The inner cavity of the first box body is divided into two bins by the filtering laminate, specifically, a water storage bin is formed between the upper side of the filtering laminate 22 and the top inner wall of the first box body 21, and an evaporation bin is formed between the lower side of the filtering laminate 22 and the bottom inner wall of the first box body 21.
The water storage bin is connected with the water pumping pipe 11. The evaporation bin is internally provided with a heating element 24, a condensation cover 25 and a water pan 26. The condensation cover 25 is disposed above the water pan 26.
The purifying assembly 3 comprises a second box 30, a stirring shaft 31 and a storage 33. Wherein, a stirring shaft 31 is rotatably installed in the second casing 30. In this embodiment, the second box is provided with a driving motor, and the driving motor is in transmission connection with the stirring shaft. The stirring shaft 31 is provided with a material storage member 33. The storage member 33 has a receiving cavity formed therein. The containing cavity is used for containing organic fertilizer and acid fertilizer. The side of the storage member 33 is provided with a material dispersing hole. The bulk material hole is communicated with the containing cavity.
The second tank 30 is provided with a water inlet and a water outlet. The water inlet line is connected to the drip tray 26. The water outlet is connected to the water injection pipe 12 through a water discharge pipe.
According to the rapid salt removing device for improving the muddy saline-alkali soil, the water pumping pipe and the water injection pipe of the exchange assembly are respectively arranged in the muddy saline-alkali soil to be improved through hydraulic hammering. The water pumping pipe and the water injection pipe are arranged oppositely, and the embedding depth of the water pumping pipe is smaller than that of the water injection pipe.
After the water pumping pipe is buried in the muddy saline-alkali soil, the saline-alkali water in the muddy saline-alkali soil to be improved permeates into the water pumping pipe due to osmotic pressure difference. And the saline-alkali water accumulated in the water pumping pipe is discharged into a water storage bin of the pretreatment assembly, and the saline-alkali water flows into the evaporation bin after being filtered by the filtering laminate in the water storage bin to remove fine impurities, sludge and the like. In the evaporation storehouse, salt soda water after the prefilter receives the heating evaporation of heating member to become steam, and steam transpiration condenses once more after meetting the condensation cover and is the drop of water and drips in the water collector. The treated water of gathering in the water collector is arranged to the second box of purifying the subassembly, in the second box, through the rotation of (mixing) shaft, fertilizer and acid fertilizer in the storage member process the bulk cargo hole infiltration treatment aquatic of storage member. The acidic fertilizer can neutralize the alkalinity of the treated water, so that the treated water is purified into purified fresh water. The purified fresh water also contains organic fertilizer. And discharging the purified fresh water into the water injection pipe, and discharging the purified fresh water into the sludge saline-alkali soil to be improved outside the water injection pipe through pressurization.
Arrange the fresh water that purifies to in the silt matter saline-alkali soil, dilute the salinity-alkalinity on the one hand, on the other hand, the fresh water that purifies in the silt matter saline-alkali soil that adds again contains a large amount of fertilizer, and in the fertilizer can permeate the silt matter saline-alkali soil, because the saline-alkali soil generally has low temperature, thin, the poor characteristics of structure of soil, the fertilizer forms humus through microbial decomposition, conversion, can improve the buffer capacity of soil to can form sodium humate with the sodium carbonate effect, reduce soil basicity. And the sodium humate can also stimulate the growth of crops and enhance the salt resistance, and the humus can promote the formation of granular structures, so that the porosity is increased, the water permeability is enhanced, the salt leaching is facilitated, and the salt return is inhibited. In the decomposition process of the organic matters, a large amount of organic acids are generated, so that on one hand, the alkalinity of soil can be neutralized, on the other hand, the nutrient decomposition can be accelerated, the slow-acting nutrient conversion is promoted, and the phosphorus effectiveness is improved.
In a preferred embodiment, a filter screen 220 is installed on the upper portion of the filter laminate 22. The filter laminate 22 is formed with an internal cavity. The inner cavity of the filter laminate 22 is detachably filled with a filter element. The side wall of the filtering layer plate 22 is provided with a water permeable hole communicated with the inner cavity.
In this embodiment, the filter element contains an acidic substance to neutralize the alkalinity of the brine water. Particularly, the filter element contains a sodium ion adsorbent which has strong exchange capacity and can adsorb Na in saline-alkali water+、SO4-2、Cl-And in addition, because the sodium ion adsorbent has good exchange performance, the sodium ion adsorbent can be used for improving cation exchange capacity, adjusting pH, exchanging and capturing harmful metal ions in the saline-alkali water, reducing the salt content of the saline-alkali water, and has very obvious effect, and the desalting rate can reach 18.6-29.3%.
As shown in fig. 5, in some embodiments, a separation plate 23 is installed at a lower portion of the filtering laminate 22. The partition plate 23 is provided with a drainage through hole. The partition plate 23 is disposed above the condensation cover 25. The interior of the condensation cover 25 forms a water passage. The water passing channel is provided with a water receiving port and a water spitting port. The water receiving port is connected with the water drainage through hole. The water discharge port is provided outside the water receiving tray 26.
The side wall of the condensation cover is a hollow side wall, filtered saline-alkali water gathered above the partition plate is discharged into the water passing pore passage through the water drainage through hole, and the saline-alkali water in the water passing pore passage is continuous cold water, so that the condensation cover keeps low temperature, and the speed of condensation of water vapor in the evaporation bin when meeting cold is accelerated.
In the present embodiment, as shown in fig. 3 to 5, the outer diameter of the drain pan 26 is smaller than the inner diameter of the cover opening of the condensation cover 25, and the drain pan 26 is connected to the condensation cover 25 through the support column. The water receiving tray is connected with the water injection pipe through a water discharge pipe.
Referring to fig. 6, the stirring shaft 31 is coaxially connected to a turntable 32. The surface of the rotary disk 32 is connected with a plurality of storage members 33 and a plurality of stirring rollers 34. The accumulator 33 is disposed coaxially with the stirring roller 34.
With continued reference to fig. 1 and 2, the suction pipe 11 is connected to a vacuum pump 111 through a negative pressure pipe. The negative pressure pipe is provided with a first valve. The water pumping pipe 11 is connected with the water storage bin through a water supply pipe. The water supply pipe is provided with a suction pump 112. The water supply pipe is provided with a second valve.
Wherein, the vacuum pump is used for accelerating the accumulation of the saline water in the pumping pipe. Specifically, the second valve is closed, and the first valve and the vacuum pump are opened to vacuumize the water pumping pipe, so that the pressure of the water pumping pipe is smaller than that of the muddy saline-alkali soil outside the water pumping pipe, and permeation of the saline-alkali water outside the water pumping pipe into the water pumping pipe is accelerated.
And after a certain amount of saline-alkali water is accumulated in the water pumping pipe, closing the first valve and the vacuum pump, opening the second valve and the water pumping pump, and pumping the saline-alkali water into the water storage bin.
Further, the water injection pipe 12 is connected with a pressurizing water pipe, and the pressurizing water pipe is installed with a third valve and a pressurizing pump 121. The drain pipe is provided with a drain pump 122 and a fourth valve.
Similarly, when the purified fresh water in the second tank is pumped into the water injection pipe by closing the third valve and opening the fourth valve and the drain pump, the purified fresh water in the water injection pipe is pressurized and infiltrated into the sludge saline-alkali soil outside the water injection pipe by closing the fourth valve and the drain pump and opening the third valve and the booster pump.
The rapid salt removing equipment for improving the muddy saline-alkali soil provided by the invention can be used for irrigating the muddy saline-alkali soil while absorbing water, and the irrigation water comes from water absorbed from the muddy saline-alkali soil, so that water resources can be recycled, and the waste of the water resources is reduced.
The rapid salt removing equipment for improving the muddy saline-alkali soil provided by the invention is used for carrying out two-layer treatment after absorbing the alkaline water in the muddy saline-alkali soil, so that the absorbed alkaline water can be treated into fresh water, and the fresh water is re-poured into the muddy saline-alkali soil to dilute the alkalinity in the muddy saline-alkali soil. After the alkaline water is desalted, the acidic fertilizer is added into the fresh water, so that after the fresh water is poured into the muddy saline-alkali soil again, the organic fertilizer is decomposed and converted by microorganisms to form humus, the buffering capacity of the soil can be improved, the humus can be formed by the action of the organic fertilizer and sodium carbonate, the alkalinity of the soil is reduced, the growth of crops can be stimulated by the sodium humus, the salt resistance is enhanced, the formation of a granular structure can be promoted by the humus, the porosity is increased, the water permeability is enhanced, the leaching of salt organic matters is facilitated, the salt return is inhibited, a large amount of organic acid is generated in the decomposition process, the alkalinity of the soil can be neutralized on the one hand, the nutrient decomposition can be accelerated on the other hand, the slow-acting nutrient conversion is promoted, and the effectiveness of phosphorus is improved.
According to the rapid salt removing equipment for improving the muddy saline-alkali soil, disclosed by the invention, salt in the muddy saline-alkali soil can flow when water is absorbed and irrigated in the muddy saline-alkali soil, so that more salt can be absorbed and discharged, and the salt content is reduced.
The rapid salt removing equipment for improving the muddy saline-alkali land is used in sunny days, and the water in the muddy saline-alkali land is sucked out to sunshine the muddy saline-alkali land surface, so that the mud on the muddy saline-alkali land surface is dried, the treatment is convenient, the content of the mud is further reduced, and the subsequent treatment of the muddy saline-alkali land is convenient.
The invention provides a construction method of rapid salt elimination equipment for improving silt saline-alkali soil, which comprises the following steps:
s1: the water pumping pipe 11 and the water injection pipe 12 of the exchange assembly are buried in the muddy saline-alkali soil to be improved respectively, and the buried depth of the water pumping pipe 11 is smaller than that of the water injection pipe 12.
S2: and conveying the accumulated saline water in the water pumping pipe 11 to a water storage bin.
S3: the brine water flows into the evaporation bin through the filtration of the filtration laminate 22 and is evaporated by the heating of the heating member 24.
S4: the evaporated steam meets the condensation cover 25 and then is condensed and then drops into the water receiving cover.
S5: the collected treated water in the water receiving cover is conveyed into the second box body 30, under the stirring of the stirring shaft 31, the organic fertilizer and the acidic fertilizer contained in the storage piece 33 are dissolved in the treated water, and the acidic fertilizer neutralizes the alkalinity of the treated water.
S6: the purified fresh water after neutralization treatment is pressurized and injected into the water injection pipe 12 through a water discharge pipe, so that the purified fresh water is injected into the muddy saline-alkali soil, the salinity of the muddy saline-alkali soil is further diluted, organic fertilizer in the purified fresh water is decomposed and converted by the microorganisms in the saline-alkali soil to form humus, the buffering capacity of the soil is improved, the organic fertilizer can act with sodium carbonate to form sodium humate, and the alkalinity of the soil is reduced.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. The utility model provides a quick salt elimination equipment in improvement silt matter saline and alkaline land which characterized in that includes:
the exchange assembly comprises a water pumping pipe and a water injection pipe which are oppositely arranged, the water pumping pipe and the water injection pipe are respectively embedded in the muddy saline-alkali soil to be improved, and the embedding depth of the water pumping pipe is smaller than that of the water injection pipe;
the pretreatment component comprises a first box body, wherein a filtering laminate is fixedly arranged inside the first box body, a water storage bin connected with the water pumping pipe is formed between the upper side of the filtering laminate and the inner wall of the top of the first box body, an evaporation bin is formed between the lower side of the filtering laminate and the inner wall of the bottom of the first box body, a heating element, a condensation cover and a water receiving disc are arranged in the evaporation bin, and the condensation cover is arranged above the water receiving disc; and
purify the subassembly, including the second box, rotationally install the (mixing) shaft in the second box, the storage spare is installed to the (mixing) shaft, the inside of storage spare is formed with the holding cavity that is used for holding fertilizer and acid fertilizer, the lateral part of storage spare seted up communicate in the bulk material hole of holding cavity, the second box has been seted up and has been connected in water inlet and delivery port, water inlet pipe connection in the water collector, the delivery port pass through drain pipe connection in the water injection pipe.
2. The rapid salt removing device for improving the muddy saline-alkali soil as claimed in claim 1, wherein a filter screen is installed on the upper portion of the filter laminate, an inner cavity is formed on the filter laminate, a filter element is detachably filled in the inner cavity, and a water permeable hole communicated with the inner cavity is formed in the side wall of the filter laminate.
3. The apparatus of claim 1, wherein a partition plate is installed at a lower portion of the filtering layer plate, the partition plate is provided with a water drainage through hole, the partition plate is disposed above the condensing cover, a water passing hole is formed in the condensing cover, the water passing hole is provided with a water receiving opening and a water discharge opening, the water receiving opening is connected to the water drainage through hole, and the water discharge opening is disposed at an outer side of the water receiving tray.
4. The apparatus of claim 3, wherein the outer diameter of the water-receiving tray is smaller than the inner diameter of the opening of the condensation cover, and the water-receiving tray is connected to the condensation cover through a support column.
5. The rapid salt removing device for improving the muddy saline-alkali soil according to claim 1, wherein the stirring shaft is coaxially connected with a rotating disc, the disc surface of the rotating disc is connected with a plurality of material storage pieces and stirring rollers, and the material storage pieces and the stirring rollers are coaxially arranged.
6. The rapid salt elimination equipment for improving the muddy saline-alkali soil according to claim 1, wherein the water pumping pipe is connected with a vacuum pump through a negative pressure pipe, and the negative pressure pipe is provided with a first valve.
7. The rapid salt removing device for improving the muddy saline-alkali soil according to claim 1, wherein the water pumping pipe is connected to the water storage bin through a water feeding pipe, the water feeding pipe is provided with a water pumping pump, and the water feeding pipe is provided with a second valve.
8. The rapid salt elimination equipment for improving the muddy saline-alkali soil according to claim 1, wherein the water injection pipe is connected with a pressure increasing water pipe, and the pressure increasing water pipe is provided with a third valve and a pressure increasing pump.
9. The apparatus for rapidly discharging the salt for improving the muddy saline-alkali soil as claimed in claim 1, wherein said drain pipe is provided with a drain pump and a fourth valve.
10. The construction method of the rapid salt elimination equipment for improving the muddy saline-alkali soil as claimed in any one of claims 1 to 9, characterized by comprising the following steps:
respectively embedding a water pumping pipe and a water injection pipe of the exchange assembly in the muddy saline-alkali soil to be improved, wherein the burial depth of the water pumping pipe is smaller than that of the water injection pipe;
conveying the accumulated saline water in the water pumping pipe to a water storage bin;
the saline-alkali water flows into the evaporation bin through the filtration of the filtration laminate and is heated and evaporated in the heating element;
the evaporated steam meets the condensation cover and then is condensed and then drops into the water receiving cover;
conveying the collected treated water in the water receiving cover to a second box body, and under the stirring of a stirring shaft, dissolving organic fertilizer and acidic fertilizer contained in a storage piece into the treated water, wherein the acidic fertilizer neutralizes the alkalinity of the treated water;
the purification fresh water after the neutralization treatment is injected into the water injection pipe through the pressurization of the water discharge pipe, so that the purification fresh water is injected into the silt saline-alkali soil, the salinity of the silt saline-alkali soil is further diluted, organic fertilizer in the purification fresh water is decomposed and converted by the microorganisms in the saline-alkali soil to form humus, the buffering capacity of the soil is improved, sodium humate can be formed under the action of sodium carbonate, and the alkalinity of the soil is reduced.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210123643.XA CN114467396A (en) | 2022-02-10 | 2022-02-10 | Rapid salt elimination equipment for improving muddy saline-alkali soil and rapid salt elimination method thereof |
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| CN202210123643.XA CN114467396A (en) | 2022-02-10 | 2022-02-10 | Rapid salt elimination equipment for improving muddy saline-alkali soil and rapid salt elimination method thereof |
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Application publication date: 20220513 |