CN113209674A - Mud removing device in sedimentation tank adopting submerged slurry pump - Google Patents
Mud removing device in sedimentation tank adopting submerged slurry pump Download PDFInfo
- Publication number
- CN113209674A CN113209674A CN202110387967.XA CN202110387967A CN113209674A CN 113209674 A CN113209674 A CN 113209674A CN 202110387967 A CN202110387967 A CN 202110387967A CN 113209674 A CN113209674 A CN 113209674A
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- China
- Prior art keywords
- slurry pump
- submerged
- slurry
- sedimentation tank
- mud
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
In order to replace the original mud removing device in the sedimentation tank for excavating mud by an excavator, the invention provides a mud removing device in the sedimentation tank by adopting an underwater slurry pump, which comprises: a submerged slurry pump 201 for pumping the coarse slurry settled at the lower part of the settling tank 206; a movable trolley 202 for installing the submerged slurry pump 201; a guide rail 203 which is erected at the top of the sedimentation tank and is used for the travelling of the travelling trolley; a hand-operated block bracket 207 fixed on the moving trolley; a hand hoist 209 for lifting the slurry pump, which is suspended on the bracket 207; a hoisting cable 208; the upper end of the hanger 210 of the submerged slurry pump is connected with the hoisting steel cable 208, and the lower end is connected to the submerged slurry pump; a slurry delivery hose 211. When the submerged slurry pump 201 does not work, the submerged slurry pump 201 is lifted up through the hand hoist 209, the lifting steel wire 208 and the lifting frame 210, sticky slurry at the lower part of the sedimentation tank is separated, and the influence on the next operation caused by slurry silting is prevented.
Description
Technical Field
The invention relates to a mud removing device in a sedimentation tank adopting a submerged slurry pump, belonging to a mud water treatment system.
Technical Field
In the excavation construction of tunnels for constructing subways and the like, large-granularity sand and stone and coarse-grained slurry discharged by a shield machine are firstly classified and separated by a vibrating screen and a cyclone and are dewatered and transported away, the slurry with the granularity smaller than 20 microns needs to be naturally precipitated and separated by a special facility, namely a slurry sedimentation tank, the fine-grained slurry at the upper part is conveyed to the shield machine to be used as a lubricant for recycling, and sediments with larger specific gravity and coarser granularity at the lower part need to be continuously removed and discharged. The conventional method for removing the sediment in the sedimentation tank is to excavate with an excavator, as shown in fig. 1, reference numeral 101 is an excavator for excavating the sediment; reference numeral 102 is a mud sedimentation tank; reference numeral 103 is slurry in the settling tank; reference numeral 104 is a passage around the settling pond for the excavator to walk and work. This conventional method of removing sludge has the following significant disadvantages: 1. an excavator needs to be equipped, so that the equipment investment is large; 2. slurry is fished from the lower part of the sedimentation tank by an excavator, so that the operation efficiency is low; 3. the water content of the slurry dug by the excavator is very high, so that the slurry cannot be directly transported, and the water content of the slurry is reduced by taking up a place for airing or adding dry quicklime, fly ash and the like, so that the occupied area and the treatment cost are increased; 4. a dedicated road of sufficient width and hardness needs to be constructed for the excavator, increasing site occupation and construction cost.
Disclosure of Invention
According to one aspect of the present invention, there is provided a slurry discharge apparatus in a settling tank using a submerged slurry pump, characterized by comprising:
a guide rail which is erected at the top of the sedimentation tank and is used for the movable trolley to travel;
a movable trolley placed on the guide rail,
a hand-operated hoist bracket fixed on the moving trolley;
the manual hoist is hung on the manual hoist bracket and used for hoisting the slurry pump;
a hoisting steel cable arranged on the hand hoist;
the upper end of the submerged slurry pump hanger is connected with the hoisting steel cable, and the lower end of the submerged slurry pump hanger is connected to the base of the submerged slurry pump;
the submerged slurry pump is arranged on the movable trolley and is used for pumping coarse particle slurry precipitated at the lower part of the sedimentation tank;
a slurry conveying hose connected with the submerged slurry pump,
wherein:
when the submerged slurry pump does not work, the submerged slurry pump is lifted up through the hand hoist, the lifting steel cable and the submerged slurry pump hanger to be separated from slurry at the lower part of the sedimentation tank, so that the influence of slurry silting on the next operation is prevented,
when the submerged slurry pump works, the submerged slurry pump is moved along the longitudinal direction of the sedimentation tank by the movable trolley so as to extract the sedimentation slurry at each part in the sedimentation tank.
Description of the drawings:
FIG. 1 is a diagram of a conventional process configuration for removing mud from a settling tank using an excavator;
FIG. 2 is a schematic diagram of a mud removal device in a settling tank utilizing a submerged slurry pump, according to one embodiment of the present invention.
Detailed Description
The invention provides a device and a method for removing mud in a sedimentation tank by adopting an underwater slurry pump, aiming at the defects of the traditional method for removing sediments, and the device and the method are used for replacing the original method for excavating mud by an excavator. A mud discharging apparatus in a settling tank using an underwater slurry pump according to an embodiment of the present invention is shown in fig. 2, in which reference numeral 201 denotes an underwater slurry pump for sucking coarse-grained mud settled in a lower portion of the settling tank; reference numeral 202 is a movable carriage on which the submerged slurry pump 201 is mounted; reference numeral 203 is a guide rail which is erected at the top of the sedimentation tank and used for the travelling of the travelling trolley; reference numeral 204 is a passage for people to walk around the sedimentation tank; reference numeral 205 is a slurry in the settling tank; reference numeral 206 is a sedimentation tank; reference numeral 207 is a hand-drive block support fixed to the traveling carriage 202; reference numeral 209 is a manual hoist for hoisting the slurry pump, and the manual hoist 209 is hung on the bracket 207; reference numeral 208 is a hoisting wire rope; the reference number 210 is a hanger of the submerged slurry pump, the upper end is connected with a hoisting steel cable 208, and the lower end is connected to the base of the submerged slurry pump; reference numeral 211 is a slurry feed hose. When the submerged slurry pump 201 does not work, the submerged slurry pump 201 is lifted up through the hand hoist 209, the lifting steel wire 208 and the lifting frame 210, sticky slurry at the lower part of the sedimentation tank is separated, and the influence on the next operation caused by slurry silting is prevented.
The working process of the method for removing the mud in the sedimentation tank by using the submerged slurry pump according to the invention is that the submerged slurry pump 201 is driven to move along the length direction of the sedimentation tank by pushing the moving trolley 202 (for example, manually) so as to conveniently extract the precipitated mud at each part in the sedimentation tank 206, the extracted mud is conveyed into a mud storage tank of a filter press of a mud and water treatment system through the mud conveying hose 211 and is fed into the filter press for final dehydration treatment, and the mud is discharged after forming a mud cake.
Compared with the traditional method, the sedimentation tank mud removal method and the sedimentation tank mud removal device have at least the following 4 advantages:
1. the equipment investment is small;
2. the operation is convenient, and the slurry is extracted timely and quickly;
3. an excavator channel and a mud airing field are not needed, and the field occupation is greatly reduced;
4. and quick lime or fly ash does not need to be added into the dug slurry, so that the slurry treatment cost is saved, and the pollution to a construction site and the environment is avoided.
Claims (3)
1. Adopt mud eduction gear in the sedimentation tank of submerged slurry pump, its characterized in that includes:
a guide rail (203) which is erected at the top of the sedimentation tank and is used for the movable trolley (202) to walk;
a movable trolley (202) placed on the guide rail (203),
a hand-operated hoist bracket (207) fixed on the moving trolley (202);
a manual hoist (209) hung on the manual hoist bracket (207) and used for hoisting the slurry pump;
a hoisting steel cable (208) arranged on the hand hoist (209);
the upper end of the submerged slurry pump hanger (210) is connected with the hoisting steel cable (208), and the lower end of the submerged slurry pump hanger is connected to the base of the submerged slurry pump (201);
the submerged slurry pump (201) is arranged on the moving trolley and is used for pumping coarse particle slurry settled at the lower part of the settling pond (206);
a slurry delivery hose (211) connected to the submerged slurry pump (201),
wherein:
when the submerged slurry pump (201) does not work, the submerged slurry pump (201) is lifted up through the manual hoist (209), the lifting steel cable (208) and the submerged slurry pump hanger (210) to be separated from slurry at the lower part of the sedimentation tank, so that the slurry is prevented from being silted to influence the next operation,
when the submerged slurry pump (201) works, the submerged slurry pump (201) is moved along the longitudinal direction of the sedimentation tank by the movable trolley (202) so as to extract the settled slurry at each position in the sedimentation tank (206).
2. The mud removal device in the settling pond adopting the submerged slurry pump according to claim 1, characterized in that:
the pumped mud is conveyed to a mud storage tank of a filter press of a mud and water treatment system through a mud conveying hose (211) to be fed into the filter press for dehydration treatment, and is discharged after a mud cake is formed.
3. The method for removing the slurry in the sedimentation tank by adopting the submerged slurry pump is characterized by comprising the following steps of:
a guide rail (203) for the movable trolley (202) to travel is erected at the top of the sedimentation tank;
placing the movable trolley (202) on the guide rail (203);
fixing a hand hoist bracket (207) on a mobile trolley (202), wherein a hand hoist (209) for hoisting a slurry pump is hung on the hand hoist bracket (207), and a hoisting cable (208) is arranged on the hand hoist (209);
connect the upper end of submerged slurry pump gallows (210) and lift by crane cable wire (208), connect the lower extreme of submerged slurry pump gallows (210) on the base of submerged slurry pump (201), wherein: the submerged slurry pump (201) is installed on the mobile trolley (202);
connecting a slurry conveying hose (211) with a submerged slurry pump (201);
when the submerged slurry pump (201) does not work, the submerged slurry pump (201) is lifted up through the manual hoist (209), the lifting steel cable (208) and the submerged slurry pump hanger (210), so that the submerged slurry pump (201) is separated from slurry at the lower part of the sedimentation tank to prevent the slurry from being silted up to influence the next operation,
when the submerged slurry pump (201) works, the submerged slurry pump (201) is moved along the longitudinal direction of the sedimentation tank by the movable trolley (202) to extract the settled slurry at each part in the sedimentation tank (206), and the extracted slurry is conveyed into a slurry storage tank of a filter press of a slurry water treatment system through a slurry conveying hose (211) and is fed into the filter press for dehydration treatment so as to form a mud cake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110387967.XA CN113209674A (en) | 2021-04-09 | 2021-04-09 | Mud removing device in sedimentation tank adopting submerged slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110387967.XA CN113209674A (en) | 2021-04-09 | 2021-04-09 | Mud removing device in sedimentation tank adopting submerged slurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113209674A true CN113209674A (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110387967.XA Pending CN113209674A (en) | 2021-04-09 | 2021-04-09 | Mud removing device in sedimentation tank adopting submerged slurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113209674A (en) |
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2021
- 2021-04-09 CN CN202110387967.XA patent/CN113209674A/en active Pending
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