Vegetable planting equipment for saline-alkali soil

Abstract

The invention provides vegetable planting equipment for saline-alkali soil, and relates to the technical field of saline-alkali soil planting. The vegetable planting equipment for the saline-alkali soil comprises a planting assembly used for planting, a purifying assembly used for purifying water, a neutralizing assembly used for neutralizing water and an irrigation assembly used for irrigation. By arranging the planting assembly, the purifying assembly, the neutralizing assembly and the irrigation assembly, in the vegetable planting period, irrigation water enters a water guide pipe from a water guide pipe and finally flows into a water accumulation barrel, and underground water can be collected and then injected into a fermentation tank; organic acid generated in the fermentation process of a mixture of straw particles for fermentation and EM bacteria in the fermentation tank neutralizes alkaline substances, adsorbs free sodium ions and can reduce the salinity of water, then the organic acid is injected into the adjusting tank, a neutralizing agent is added, and the salinity of underground water is further reduced, so that the purpose of utilizing the underground water is achieved, water resources are saved, and the utilization rate of the underground water is increased. And water circulation can be formed by adjusting measures to local conditions and utilizing underground water.

Description

TECHNICAL FIELD

[0001] The present application relates to saline-alkali soil planting technical field, specifically to the saline-alkali soil vegetable planting equipment. BACKGROUND

[0002] The saline-alkali soil is a kind of salt accumulation, refers to the salt contained in soil affects the normal growth of crops, according to the incomplete statistics of UNESCO and FAO, the area of saline-alkali soil in the world is 954380000 mu, of which 99130000 mu is saline-alkali soil in China. The formation of alkali soil and alkali soil in China is mostly related to the accumulation of carbonate in soil, so the alkalinity is generally high, and plants can hardly survive in serious saline-alkali soil area.

[0003] With the increasing investment of resources for the development of saline-alkali soil in China, part of the saline-alkali soil can be effectively utilized, but there are still many problems in the planting of vegetables, such as: the underground salt in saline-alkali soil will continuously upsurge with the evaporation of surface water, the vegetables cannot grow normally, and the underground water of saline-alkali soil cannot be effectively utilized. SUMMARY

[0004] (I) the technical problem solved In view of the shortcomings of the prior art, the saline-alkali soil vegetable planting equipment is provided, which solves the problems of the underground salt in saline-alkali soil continuously upsurge with the evaporation of surface water, the vegetables cannot grow normally, and the underground water of saline-alkali soil cannot be effectively utilized.

[0005] (II) technical scheme In order to achieve the above purpose, the following technical scheme is adopted: the saline-alkali soil vegetable planting equipment comprises a planting assembly for planting, a purification assembly for purifying water quality, a neutralization assembly for neutralizing water quality and an irrigation assembly for irrigation, the irrigation assembly is located above the planting assembly, and the purification assembly and the neutralization assembly are located on the side of the planting assembly. The planting assembly comprises a base soil and a planting layer, the top of the base soil is paved with a planting layer, the planting layer is divided into a planting soil and a separation soil from top to bottom, the thickness of the planting soil is 50cm, the separation soil uses straw particles, and the thickness is 30cm, two parallel water pipes and a plurality of front and rear parallel water pipes are embedded in the base soil, a plurality of water holes for water guide are formed in the top of the water pipes, the top of the water pipes is fixedly connected with the separation soil layer of the separation net, and the left and right ends of the water pipes penetrate the separation net.

[0006] Preferably, the rear end of the two water pipes is fixedly connected with a drain pipe, the bottom of the drain pipe is fixedly connected with a water collecting barrel for collecting underground water, and the top of the water collecting barrel is fixedly connected with a water pump.

[0007] By adopting the technical scheme, a 30cm-thick straw particle layer is laid under the planting soil, which can effectively block the upwelling of underground salt, thereby reducing the salt content in the planting soil so that the salt content can meet the requirements of vegetable planting, and the underground water can be drained into the water accumulation barrels for convenient extraction.

[0008] Preferably, the purification assembly comprises a fermentation tank and a fermentation assembly, the top of the fermentation tank is fixedly connected with a first water pump, the water inlet end of the first water pump is fixedly connected with a water pumping pipe, the inside of the fermentation tank is provided with the fermentation assembly, the fermentation assembly comprises a water tray, a spray head, a stirring shaft, a stirring rod and a motor, the water outlet end of the first water pump is fixedly connected with the water tray, the bottom of the water tray is fixedly connected with a plurality of spray heads, the inside of the fermentation tank is rotatably connected with the stirring shaft, the inside of the stirring shaft is provided with an air cavity, the circumferential surface of the stirring shaft is fixedly connected with a plurality of stirring rods, the circumferential surface of the stirring rod is provided with a plurality of air holes, the inside of the air holes is fixedly connected with a filter screen, the bottom of the fermentation tank is fixedly connected with the motor, and the output end of the motor is fixedly connected with the stirring shaft.

[0009] Preferably, the top of the stirring shaft is rotatably connected with an air pipe, the circumferential surface of the fermentation tank is fixedly connected with a feeding pipe for adding fermentation materials, the inside of the fermentation tank is filled with a mixture of straw particles and EM bacteria for fermentation, and the bottom of the fermentation tank is fixedly connected with a discharging pipe for discharging the fermentation materials.

[0010] By adopting the technical scheme, the mixture of straw particles and EM bacteria for fermentation is added into the fermentation tank, the extracted underground water is uniformly injected into the inside of the fermentation tank, and the fermentation straw and the underground water are fully mixed for fermentation under the action of the fermentation assembly. The air pipe can uniformly inject air into the inside, promote the fermentation of the mixture of straw particles and EM bacteria in the inside, produce organic acid to neutralize alkaline substances and adsorb free sodium ions in the fermentation process, and reduce the salinity of water.

[0011] Preferably, the neutralization assembly comprises an adjusting tank and an adjusting assembly, the top of the adjusting tank is fixedly connected with a second water pump and a liquid inlet pipe for adding a neutralizing agent, the water inlet end of the second water pump is fixedly connected with the bottom of the fermentation tank through a pipeline, the connection between the pipeline and the fermentation tank is fixedly connected with a filter screen, the inside top surface of the adjusting tank is fixedly connected with a water bucket, the adjusting assembly comprises a rotating shaft, impact blades, inner screw pieces, outer screw pieces and connecting rods, the inside of the adjusting tank is rotatably connected with the rotating shaft, the circumferential surface of the rotating shaft is fixedly connected with a plurality of impact blades, the bottom circumferential surface of the rotating shaft is fixedly connected with the inner screw pieces, the outer side of the inner screw pieces is provided with the outer screw pieces, and the top and bottom of the outer screw pieces are fixedly connected with the rotating shaft through the connecting rods.

[0012] Preferably, the impact vane is obliquely arranged and located inside the water bucket, and the outer spiral blade rotates in the opposite direction of the inner spiral blade.

[0013] By adopting the above technical scheme, the salt content of the underground water is reduced after fermentation, and the water is injected into the adjusting tank under the action of the second water pump, the water flow is injected into the inside of the water bucket, the impact vane is rotated, the neutralizing agent is added to the inside of the adjusting tank through the liquid inlet pipe, the neutralizing agent is a mixture of gypsum and humic acid, the mixing ratio is adjusted according to the actual soil salinity, the neutralizing agent is mixed with the underground water under the driving of the impact vane, and flows out from below the water bucket into the bottom of the adjusting tank, the rotation of the impact vane drives the lower inner spiral blade and the outer spiral blade to rotate, the water below is further stirred, the neutralizing agent and the underground water can be fully mixed, and the salinity of the underground water is reduced.

[0014] Preferably, the inside circumference of the adjusting tank is fixedly connected with a pH value sensor and an EC value sensor, and the circumference of the adjusting tank is fixedly connected with a display for displaying the pH value and the EC value of the liquid inside.

[0015] By adopting the above technical scheme, the pH value sensor measures the pH value of the water inside, the EC value sensor measures the EC value of the water inside, and the display displays the pH value and the EC value of the water inside, so that the pH value and the EC value of the water in the adjusting tank can be easily known.

[0016] Preferably, the irrigation assembly comprises a third water pump, the water inlet end of the third water pump is fixedly connected with the bottom of the adjusting tank, the top water outlet end of the third water pump is fixedly connected with a water distribution pipe, two water outlet ends are arranged on the water distribution pipe, adjusting valves are fixedly installed on the two water outlet ends, and the two water outlet ends of the water distribution pipe are fixedly connected with a drip irrigation pipe for planting drip irrigation and a washing pipe for washing the planting soil after planting.

[0017] Preferably, the bottom of the drip irrigation pipe is fixedly connected with a plurality of water holes for planting drip irrigation, the water holes are correspondingly distributed with the vegetable plants, and the bottom of the washing pipe is fixedly connected with a plurality of spray heads, which are uniformly distributed between the rows of vegetable plants.

[0018] Preferably, the drip irrigation pipe is located below the washing pipe, a plurality of supports are fixedly connected between the drip irrigation pipe and the washing pipe, and the bottom of the support is inserted into the inside of the planting soil.

[0019] By adopting the above technical scheme, when the underground water is neutralized, the third water pump is started to pump the water in the adjusting tank away, the drip irrigation pipe is used to drip irrigation on the vegetables on the planting soil to promote the growth of the vegetables, and when the planting is completed, the washing pipe is opened, the spray heads spray water on the planting soil to wash the planting soil, the salt in the soil flows downward with the water flow, and is introduced into the water storage barrel again to be stored, and the salt content in the planting soil is reduced.

[0020] (Three) beneficial effects The present application provides a saline-alkali soil vegetable planting device. It has the following beneficial effects: 1. By setting the planting assembly, a 30cm thick straw particle layer is laid under the planting soil, which can effectively block the upward flow of underground salt, thereby reducing the salt content in the planting soil to meet the requirements of vegetable planting.

[0021] 2. By setting the planting assembly, the purification assembly, the neutralization assembly and the irrigation assembly, during the vegetable planting period, the irrigation water flows from the water guide pipe into the water guide pipe and finally into the water accumulation bucket, which can collect underground water and then inject it into the fermentation tank. The mixture of straw particles and EM bacteria for fermentation in the fermentation tank neutralizes alkaline substances and adsorbs free sodium ions in the organic acid produced during the fermentation process, which can reduce the salinity of the water, and then inject it into the adjustment tank and add neutralizing agent to further reduce the salt content of the underground water, thereby achieving the purpose of using underground water. Not only saves water resources, but also makes use of underground water according to local conditions and forms a water cycle.

[0022] 3. By setting the irrigation assembly, after the completion of vegetable planting, the planting soil can be washed to make the salt in the planting soil sink into the water cycle, so that the vegetables can grow normally on the saline-alkali soil, and the saline-alkali soil can be reasonably utilized. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a front view of the saline-alkali soil vegetable planting device proposed by the present application; Figure 2 It is a cross-sectional structure diagram of the planting assembly of the saline-alkali soil vegetable planting device proposed by the present application; Figure 3 It is a structure diagram of the water accumulation bucket of the saline-alkali soil vegetable planting device proposed by the present application; Figure 4 It is a structure diagram of the fermentation tank of the saline-alkali soil vegetable planting device proposed by the present application; Figure 5 It is a cross-sectional structure diagram of the purification assembly of the saline-alkali soil vegetable planting device proposed by the present application; Figure 6 It is a structure diagram of the neutralization assembly of the saline-alkali soil vegetable planting device proposed by the present application; Figure 7 It is a structure diagram of the adjustment assembly of the saline-alkali soil vegetable planting device proposed by the present application; Figure 8 It is a perspective view of the irrigation assembly of the saline-alkali soil vegetable planting device proposed by the present application; Figure 9 It is a top view of the irrigation assembly of the saline-alkali soil vegetable planting device proposed by the present application.

[0024] Wherein, 1, planting assembly; 101, base soil; 102, planting layer; 103, planting soil; 104, isolation soil; 105, water diversion pipe; 106, water guide pipe; 107, isolation net; 108, drain pipe; 109, water accumulation bucket; 110, water suction pipe; 2, purification assembly; 201, fermentation tank; 202, No. 1 water pump; 203, water tray; 204, spray head; 205, stirring shaft; 206, air cavity; 207, stirring rod; 208, air hole; 209, air charging pipe; 210, motor; 211, feed pipe; 3, neutralization assembly; 301, adjusting tank; 302, No. 2 water pump; 303, water bucket; 304, rotating shaft; 305, impact blade; 306, inner screw piece; 307, outer screw piece; 308, connecting rod; 309, pH sensor; 310, display; 311, liquid inlet pipe; 4, irrigation assembly; 401, No. 3 water pump; 402, water distribution pipe; 403, regulating valve; 404, drip irrigation pipe; 405, washing pipe; 406, spray head; 407, support. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0026] Embodiment one: please refer to Figures 1 to 3 The present application provides a technical solution: a vegetable planting device for saline-alkali soil, which comprises a planting assembly 1 for planting, a purification assembly 2 for purifying water quality, a neutralization assembly 3 for neutralizing water quality, and an irrigation assembly 4 for irrigation, the irrigation assembly 4 is located above the planting assembly 1, and the purification assembly 2 and the neutralization assembly 3 are located on the side of the planting assembly 1.

[0027] The planting assembly 1 comprises a base soil 101 and a planting layer 102, the top of the base soil 101 is paved with the planting layer 102, the planting layer 102 is divided into a planting soil 103 and a barrier soil 104 from top to bottom, the thickness of the planting soil 103 is 50 cm, the barrier soil 104 adopts straw particles and the thickness is 30 cm, the barrier soil 104 separates the base soil 101 and the planting soil 103, which can effectively prevent salt from rising, two left and right parallel water diversion pipes 105 and a plurality of front and back parallel water guide pipes 106 are embedded in the base soil 101, a plurality of water holes for guiding water are formed in the top of the water guide pipe 106, the top of the water diversion pipe 105 is fixedly connected with a barrier net 107 for separating soil layers, the left and right ends of the water guide pipe 106 penetrate through the barrier net 107, the water guide pipe 106 can guide the water flowing down from the barrier soil 104 into the water diversion pipes 105 on both sides, the barrier net 107 can also receive the water infiltrated from the ground to make the water enter the water diversion pipe 105, and the recovered water is formed.

[0028] The rear ends of the two water diversion pipes 105 are fixedly connected with a drain pipe 108, the bottom of the drain pipe 108 is fixedly connected with a water storage barrel 109 for collecting underground water, and the top of the water storage barrel 109 is fixedly connected with a water pumping pipe 110.

[0029] A layer of 30 cm thick straw particle layer is paved below the planting soil 103, which can effectively block the underground salt from rising with the evaporation of water, and can also accelerate the downward infiltration of water, when planting, the water for irrigation and the original water in the soil can flow into the water diversion pipes 105 on both sides through the water holes on the water guide pipes 106, and finally the underground water is drained into the water storage barrel 109 for storage, which reduces the waste of water resources and recovers the underground water.

[0030] Embodiment two: please refer to Figures 4 to 5, the purification assembly 2 includes fermentation tank 201 and fermentation assembly, the top of fermentation tank 201 is fixedly connected with No. 1 water pump 202, the water inlet end of No. 1 water pump 202 is fixedly connected with water suction pipe 110, water in water bucket 109 can be pumped away and injected into fermentation tank 201 by using No. 1 water pump 202, fermentation assembly is installed in the inside of fermentation tank 201, fermentation assembly includes water tray 203, shower head 204, stirring shaft 205, stirring rod 207 and motor 210, the water outlet end of No. 1 water pump 202 is fixedly connected with water tray 203, the bottom of water tray 203 is fixedly connected with a plurality of shower heads 204, stirring shaft 205 is rotatably connected in the inside of fermentation tank 201, air cavity 206 is formed in the inside of stirring shaft 205, a plurality of stirring rods 207 are fixedly connected on the circumference of stirring shaft 205, a plurality of air holes 208 are formed on the circumference of stirring rod 207, filter screen is fixedly connected in the inside of air hole 208, motor 210 is fixedly connected on the bottom of fermentation tank 201, the output end of motor 210 is fixedly connected with stirring shaft 205, when motor 210 works and drives stirring shaft 205 to rotate, stirring rod 207 stirs the inside fermented straw, so that it is fully mixed with injected water.

[0031] Air charging pipe 209 is rotatably connected on the top of stirring shaft 205, air is injected into the inside of stirring shaft 205 by air charging pipe 209 through external air pump, then is uniformly injected into the inside of fermented straw through stirring rod 207, so that fermented straw and water can be fully fermented, thereby reducing the salt content in water, feed pipe 211 for adding fermented material is fixedly connected on the circumference of fermentation tank 201, feed pipe 211 is in open state for a long time, the inside of fermentation tank 201 is filled with the mixture of straw particles and EM bacteria for fermentation, discharge pipe for discharging fermented material is fixedly connected on the bottom of fermentation tank 201, when fermentation is completed, the fermented straw can be discharged from discharge pipe, and new fermented straw is added from feed pipe 211.

[0032] No. 1 water pump 202 injects water in water bucket 109 into fermentation tank 201, straw fermented material is added into fermentation tank 201 from feed pipe 211, then air for fermentation is injected into air charging pipe 209 by external air charging pump, under the action of motor 210, stirring shaft 205 drives stirring rod 207 to rotate in fermentation tank 201, and stirs the straw for fermentation, at the same time, water injected into water tray 203 is sprayed to straw from shower head 204, injected air enters the inside of stirring rod 207 through the inside of stirring shaft 205 and is injected into the inside of straw from air hole 208, so that straw and water are fully mixed and fully fermented, in the fermentation process, organic acid is produced to neutralize alkaline material, such as lactic acid, acetic acid to reduce pH value, and polyatomic acid such as citric acid, oxalic acid is produced to consume free OH - in water, carboxyl of high molecular organic acid combines with sodium ion to form stable complex to adsorb free sodium ion, so as to reduce the salinity in water.

[0033] Embodiment three: please refer to Figures 6 to 7 The neutralizing assembly 3 comprises an adjusting tank 301 and an adjusting assembly. The top of the adjusting tank 301 is fixedly connected with a second water pump 302 and a liquid inlet pipe 311 for adding a neutralizing agent. The water inlet end of the second water pump 302 is fixedly connected with the bottom of the fermentation tank 201 through a pipeline, and a filter screen is fixedly connected at the connection between the pipeline and the fermentation tank 201 for filtering the fermented water and the fermented straw to avoid blocking the water conveying pipeline. The inside top surface of the adjusting tank 301 is fixedly connected with a water bucket 303. The water bucket 303 is used for receiving the injected water and forms a vortex under the action of the inclined water injection pipe. The adjusting assembly comprises a rotating shaft 304, impact blades 305, inner screw blades 306, outer screw blades 307 and connecting rods 308. The rotating shaft 304 is rotatably connected inside the adjusting tank 301. A plurality of impact blades 305 are fixedly connected on the circumference of the rotating shaft 304. The water in the water bucket 303 impacts on the impact blades 305 when being injected, so that the rotating shaft 304 rotates to preliminarily mix the injected water and the added neutralizing agent. The inner screw blades 306 are fixedly connected on the bottom circumference of the rotating shaft 304. The outer screw blades 307 are installed on the outer side of the inner screw blades 306. The top and bottom of the outer screw blades 307 are fixedly connected with the rotating shaft 304 through the connecting rods 308.

[0034] The impact blades 305 are inclinedly arranged inside the water bucket 303. The rotating directions of the outer screw blades 307 and the inner screw blades 306 are opposite. The reverse screw can make the rotary stirring more uniform.

[0035] A pH value sensor 309 and an EC value sensor are fixedly connected on the inside circumference of the adjusting tank 301. The EC value sensor is located below the pH value sensor 309. A display 310 for displaying the pH value and the EC value of the liquid inside is fixedly connected on the circumference of the adjusting tank 301.

[0036] The fermented water is extracted by the second water pump 302 and is obliquely injected into the adjusting tank 301. The water impacts on the impact blades 305 to make the rotating shaft 304 rotate. The inner screw blades 306 and the outer screw blades 307 below the rotating shaft 304 stir the water at the bottom. Meanwhile, the neutralizing agent is added into the adjusting tank 301 through the liquid inlet pipe 311. The neutralizing agent is a mixture of gypsum and humic acid. The mixture is proportioned according to the actual soil salinity to neutralize the water and adjust the pH value. The neutralizing agent is fully mixed with the water under the stirring of the impact blades 305, the inner screw blades 306 and the outer screw blades 307. The pH value sensor 309 monitors the pH value of the water, and the EC value sensor measures the EC value of the water inside, which are displayed through the display 310 to facilitate understanding the pH value and the EC value of the water in the adjusting tank.

[0037] Embodiment four: please refer to Figures 8 to 9The irrigation assembly 4 comprises a No. 3 water pump 401, the water inlet end of the No. 3 water pump 401 is fixedly connected with the bottom of the adjusting tank 301, the top water outlet end of the No. 3 water pump 401 is fixedly connected with a water distribution pipe 402, two water outlet ends are arranged on the water distribution pipe 402, and two adjusting valves 403 are fixedly installed on the two water outlet ends, the two adjusting valves 403 are used for controlling the opening and closing of the two water outlet ends, and the two water outlet ends of the water distribution pipe 402 are fixedly connected with a drip irrigation pipe 404 used for drip irrigation and a washing pipe 405 used for washing the planting soil 103 after planting.

[0038] The bottom of the drip irrigation pipe 404 is fixedly connected with a plurality of water holes used for drip irrigation, the water holes are correspondingly distributed with the vegetable plants, and the bottom of the washing pipe 405 is fixedly connected with a plurality of spray heads 406 which are uniformly distributed between the rows of the vegetable plants. When irrigation is carried out, the drip irrigation pipe 404 is opened to irrigate the vegetables, and after planting is completed, the washing pipe 405 is opened to wash the planting soil 103, so that the salt in the planting soil 103 sinks into the isolation soil 104 and the base soil 101 and flows to the guide pipe 105.

[0039] The drip irrigation pipe 404 is located below the washing pipe 405, a plurality of supports 407 are fixedly connected between the drip irrigation pipe 404 and the washing pipe 405, and the bottom of the support 407 is inserted into the inside of the planting soil 103. The drip irrigation pipe 404 and the washing pipe 405 are arranged in an upper and lower staggered manner, which can make the drip irrigation pipe 404 closer to the vegetables to reduce water evaporation and can make the washing area larger when washing.

[0040] After neutralization, the salinity (EC value) and pH value of the water both reach the requirements suitable for irrigation, the No. 3 water pump 401 is started to pump the water in the adjusting tank 301, when irrigation is carried out, the drip irrigation pipe 404 is used to drip irrigate the vegetables on the planting soil 103 one by one to promote the growth of the vegetables, when planting is completed, the washing pipe 405 is opened, the spray heads 406 are used to spray water on the planting soil 103 to wash the planting soil 103 in each row, the salt in the soil flows downward along with the water, enters the guide pipe 105 from the water guide pipe 106, and enters the water storage barrel 109 again to be stored, enters the water circulation process, and the salt in the washed planting soil 103 decreases again, so that the vegetables can grow normally for a long time, and the saline-alkali land can be reasonably utilized.

[0041] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. Vegetable planting equipment for saline-alkali land, characterized in that: It includes a planting component (1) for planting, a purification component (2) for purifying water, a neutralization component (3) for neutralizing water, and an irrigation component (4) for irrigation, wherein the irrigation component (4) is located above the planting component (1), and the purification component (2) and the neutralization component (3) are both located to the side of the planting component (1). The planting component (1) includes a base soil (101) and a planting layer (102). The planting layer (102) is laid on top of the base soil (101). The planting layer (102) is divided into planting soil (103) and isolation soil (104). The thickness of the planting soil (103) is 50cm. The isolation soil (104) is made of straw particles and has a thickness of 30cm. Two parallel water pipes (105) and several parallel water guide pipes (106) are buried inside the base soil (101). Several water holes for water guide are opened on the top of the water guide pipes (106). An isolation net (107) for separating the soil layers is fixedly connected to the top of the water pipes (105). The isolation net (107) is penetrated at both ends of the water guide pipes (106).

2. The vegetable planting equipment for saline-alkali land according to claim 1, characterized in that: The rear ends of the two water inlet pipes (105) are fixedly connected to a drain pipe (108), the bottom of the drain pipe (108) is fixedly connected to a water collection bucket (109) for collecting groundwater, and the top of the water collection bucket (109) is fixedly connected to a pumping pipe (110).

3. The vegetable planting equipment for saline-alkali land according to claim 2, characterized in that: The purification component (2) includes a fermentation tank (201) and a fermentation component. A No. 1 water pump (202) is fixedly connected to the top of the fermentation tank (201). The inlet end of the No. 1 water pump (202) is fixedly connected to a water pump pipe (110). The fermentation component is installed inside the fermentation tank (201). The fermentation component includes a water pan (203), a spray head (204), a stirring shaft (205), a stirring rod (207), and a motor (210). The outlet end of the No. 1 water pump (202) is fixedly connected to the water pan (203). The bottom of the water pan (203) is fixedly connected to... There are several spray heads (204). A stirring shaft (205) is rotatably connected inside the fermentation tank (201). An air chamber (206) is opened inside the stirring shaft (205). Several stirring rods (207) are fixedly connected to the circumference of the stirring shaft (205). Several air holes (208) are opened on the circumference of the stirring rods (207). A filter screen is fixedly connected inside the air holes (208). A motor (210) is fixedly connected to the bottom of the fermentation tank (201). The output end of the motor (210) is fixedly connected to the stirring shaft (205).

4. The vegetable planting equipment for saline-alkali land according to claim 3, characterized in that: An air inlet pipe (209) is rotatably connected to the top of the stirring shaft (205), and a feed pipe (211) for adding fermenting material is fixedly connected to the circumferential surface of the fermentation tank (201). The interior of the fermentation tank (201) is filled with a mixture of straw grains and EM bacteria for fermentation, and a discharge pipe for discharging fermenting material is fixedly connected to the bottom of the fermentation tank (201).

5. The vegetable planting equipment for saline-alkali land according to claim 2, characterized in that: The neutralization component (3) includes an adjusting tank (301) and an adjusting component. A second water pump (302) and an inlet pipe (311) for adding neutralizing agent are fixedly connected to the top of the adjusting tank (301). The inlet end of the second water pump (302) is fixedly connected to the bottom of the fermentation tank (201) via a pipe, and a filter screen is fixedly connected at the connection between the pipe and the fermentation tank (201). A water hopper (303) is fixedly connected to the top surface inside the adjusting tank (301). The adjusting component includes a rotating shaft (304) and impact blades (…). 305), inner threaded plate (306), outer threaded plate (307) and connecting rod (308), the regulating tank (301) is rotatably connected to a rotating shaft (304), a number of impact blades (305) are fixedly connected to the circumferential surface of the rotating shaft (304), the inner threaded plate (306) is fixedly connected to the bottom circumferential surface of the rotating shaft (304), the outer threaded plate (307) is installed on the outside of the inner threaded plate (306), and the top and bottom of the outer threaded plate (307) are fixedly connected to the rotating shaft (304) through the connecting rod (308).

6. The vegetable planting equipment for saline-alkali land according to claim 5, characterized in that: The impact blade (305) is inclined and located inside the water bucket (303), and the outer spiral blade (307) rotates in the opposite direction to the inner spiral blade (306).

7. The vegetable planting equipment for saline-alkali land according to claim 5, characterized in that: A pH sensor (309) and an EC sensor are fixedly connected to the inner circumferential surface of the regulating tank (301), and a display (310) for displaying the pH and EC values ​​of the internal liquid is fixedly connected to the circumferential surface of the regulating tank (301).

8. The vegetable planting equipment for saline-alkali land according to claim 5, characterized in that: The irrigation assembly (4) includes a No. 3 water pump (401), the inlet of which is fixedly connected to the bottom of the regulating tank (301), and the outlet of which is fixedly connected to a water distribution pipe (402). The water distribution pipe (402) has two outlets, each of which is fixedly equipped with a regulating valve (403). The two outlets of the water distribution pipe (402) are respectively fixedly connected to a drip irrigation pipe (404) for planting drip irrigation and a washing pipe (405) for rinsing the planting soil (103) after planting.

9. The vegetable planting equipment for saline-alkali land according to claim 8, characterized in that: The bottom of the drip irrigation pipe (404) is fixedly connected with several water holes for drip irrigation of the plant, and the water holes are distributed corresponding to the vegetable plants. The bottom of the washing pipe (405) is fixedly connected with several nozzles (406), and the nozzles (406) are evenly distributed between the rows of the vegetable plants.

10. The vegetable planting equipment for saline-alkali land according to claim 8, characterized in that: The drip irrigation pipe (404) is located below the washing pipe (405), and several supports (407) are fixedly connected between the drip irrigation pipe (404) and the washing pipe (405). The bottom of the supports (407) is inserted into the planting soil (103).

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