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CN-224213267-U - Drainage device for severe secondary salinization area

CN224213267UCN 224213267 UCN224213267 UCN 224213267UCN-224213267-U

Abstract

The utility model provides a drainage device for a severe secondary salinization area, which relates to the technical field of soil improvement and drainage and comprises a water collecting well, wherein a group of flow holes are formed in the bottom position of the water collecting well, two symmetrically-distributed main drainage pipelines are arranged in the positions of the flow holes, two branch drainage pipelines are respectively arranged at the two sides of the main drainage pipeline, the main drainage pipelines and the water collecting well are communicated, and the main drainage pipelines and the branch drainage pipelines are mutually matched to form a drainage structure. The first protective frame and the second protective frame are mutually matched to form the protective structure, the main drainage pipeline and the branch drainage pipeline are wrapped in the protective structure, damage to the drainage pipeline due to the action of external force is avoided, the service life of the drainage pipeline is prolonged, the filter cloth arranged on the inner side of the protective structure is made of geotechnical cloth materials with good water permeability and good filtering effect, fine particles in soil can be further filtered, and the fine particles are prevented from entering the drainage pipeline to cause blockage.

Inventors

  • JIAO BINGZHONG
  • WU HUIFANG
  • BAO LUMIN
  • LIU JINLIANG
  • DU BIN
  • LI XINGQIANG
  • YANG YINGPAN

Assignees

  • 宁夏回族自治区水利科学研究院

Dates

Publication Date
20260508
Application Date
20250530

Claims (9)

  1. 1. The utility model provides a serious secondary salinization regional drainage device, includes sump pit (1), drainage structure (2) and protective structure (3), a set of flow hole is seted up in the bottom position of sump pit (1), two symmetrical distribution's main drainage pipe (201) are installed to the position of flow hole, a branch drainage pipe (202) are installed respectively in the both sides position of main drainage pipe (201), the inside intercommunication of sump pit (1), main drainage pipe (201), branch drainage pipe (202) cooperate together to constitute drainage structure (2), characterized in that, a first protective frame (301) are installed respectively in the outside position of main drainage pipe (201), branch drainage pipe (202), a second protective frame (302), a first protective frame (301), second protective frame (302) cooperate together to constitute protective structure (3), a filter cloth (4) are installed in the inboard position of protective structure (3), a set of threaded rod (101) that distribute the car is installed in the inboard top position of sump pit (1), a water pump (5) are installed in the outside position of protective cover (101), a nut (101) is installed in the outside position of water pump (5).
  2. 2. A secondary salinization area drainage device according to claim 1, wherein, The water collecting well (1) is provided with a stepped groove at the upper position, the inner side surface of the water collecting well (1) is provided with a positioning block at the upper position, two sides of the positioning block are respectively provided with a positioning groove, the positioning grooves are of rectangular structures, and the mounting plate of the water pump (5) extends to the inside of the positioning grooves.
  3. 3. A secondary salinization area drainage device according to claim 1, wherein, A positioning sleeve is arranged above the water pump (5), and extends to the inside of the protective cover (501).
  4. 4. A secondary salinization area drainage device according to claim 1, wherein, One side of the threaded rod (101) is provided with a positioning groove, one side of the nut (601) is provided with a mounting hole, the mounting hole is of a cylindrical structure, a locking pin (602) is arranged at the position of the mounting hole, and one side of the locking pin (602) is arranged in the positioning groove.
  5. 5. A secondary salinization area drainage device according to claim 1, wherein, The positioning groove at one side of the threaded rod (101) is respectively provided with a clamping groove at two sides of the inner side surface, the clamping grooves are of rectangular structures, one side of the locking pin (602) is provided with a group of positioning protrusions, the positioning protrusions extend to the inside of the clamping grooves, and one side of the locking pin (602) is provided with an opening groove.
  6. 6. A secondary salinization area drainage device according to claim 1, wherein, A magnet with a mounting groove is mounted at the outer side of the nut (601), and the nut (601) and the locking pin (602) are matched with each other to form a locking structure (6).
  7. 7. A secondary salinization area drainage device according to claim 1, wherein, Two sides of the main drainage pipeline (201) are respectively provided with a mounting hole, and the positions of the mounting holes are respectively provided with a branch drainage pipeline (202).
  8. 8. A secondary salinization area drainage device according to claim 1, wherein, The main drainage pipeline (201) and the branch drainage pipeline (202) are respectively provided with a group of flow holes, and the main drainage pipeline (201) and the branch drainage pipeline (202) are mutually communicated.
  9. 9. A secondary salinization area drainage device according to claim 1, wherein, The second protection frame (302) is installed in the position above the first protection frame (301), a group of positioning blocks are respectively arranged on two sides of the first protection frame (301), each positioning block is of a rounded rectangular structure, a group of positioning grooves are respectively arranged on two sides of the second protection frame (302), each positioning groove is of a rectangular structure, and each positioning block extends to the inside of each positioning groove.

Description

Drainage device for severe secondary salinization area Technical Field The utility model relates to the technical field of soil improvement and drainage, in particular to a drainage device for a severe secondary salinization area. Background At present, for the treatment of a severe secondary salinization area, a drainage method is mainly adopted to reduce the groundwater level and the salt content in soil, however, the existing drainage device has the following defects: At present, the drainage method aiming at the severe secondary salinization area mainly comprises open trench drainage and buried pipe drainage, wherein the open trench drainage has the advantages of simple construction, lower cost, incapability of effectively draining salt and excessive moisture in soil in time, large occupied area, easy collapse and low drainage efficiency; The hidden pipe drainage pipeline is directly contacted with soil in the drainage process, fine particles, impurities and the like in the soil easily enter the drainage pipeline along with water flow, the pipeline is easily blocked, and the drainage pipeline is easily deformed by the weight of the soil, so that the service life of the drainage pipeline is shortened; Therefore, the development of the drainage device for the severe secondary salinization area, which is efficient, reliable and capable of reasonably treating the drainage water, has important practical significance. Disclosure of utility model The utility model discloses a drainage device for a severe secondary salinization area, wherein filter cloth is arranged on the inner side of a protective structure, fine particles in soil can be further filtered, a first protective frame and a second protective frame are arranged on the outer sides of a main drainage pipeline and a branch drainage pipeline, damage of the drainage pipeline due to external force is avoided, and excessive water in the severe secondary salinization area can enter the pipeline through flow holes on the main drainage pipeline and the branch drainage pipeline and then is gathered in a water collecting well. The first aspect of the disclosure provides a drainage device for a severe secondary salinization area, which specifically comprises a water collecting well, wherein a group of flow holes are formed in the bottom position of the water collecting well, two symmetrically distributed main drainage pipelines are arranged at the positions of the flow holes, two branch drainage pipelines are respectively arranged at the two side positions of the main drainage pipelines, the inside of the main drainage pipelines and the water collecting well are communicated, the main drainage pipelines and the branch drainage pipelines are mutually matched to form a drainage structure together, a first protection frame and a second protection frame are respectively arranged at the outer side positions of the main drainage pipelines and the branch drainage pipelines, the first protection frame and the second protection frame are mutually matched to form a protection structure together, a filter cloth is arranged at the inner side position of the protection structure, a group of threaded rods distributed by a pair of vehicles are arranged at the upper side position of the inner side of the water collecting well, a water pump is arranged at the outer side position of the threaded rods, and a protection cover is arranged at the upper position of the water pump. Further, a step groove is formed in the upper position of the water collecting well, a positioning block is arranged in the upper position of the inner side surface of the water collecting well, positioning grooves are formed in two sides of the positioning block respectively, the positioning grooves are of rectangular structures, and the mounting plate of the water pump extends to the inside of the positioning grooves. Further, a positioning sleeve is arranged above the water pump, and extends to the inside of the protective cover. Further, a positioning groove is formed in one side of the threaded rod, a mounting hole is formed in one side of the nut, the mounting hole is of a cylindrical structure, a locking pin is arranged at the position of the mounting hole, and one side of the locking pin is arranged in the positioning groove. Further, a clamping groove is formed in each of two sides of the inner side face of the positioning groove on one side of the threaded rod, the clamping groove is of a rectangular structure, a group of positioning protrusions are arranged on one side of the locking pin, the positioning protrusions extend to the inside of the clamping groove, and an opening groove is formed in one side of the locking pin. Further, a magnet with a mounting groove is arranged at the outer side of the nut, and the nut and the locking pin are matched with each other to form a locking structure. Furthermore, two sides of the main drainage pipeline are respectively provided with a mounting hole, and t