CN212440166U - Dynamic static taking and thickening device of slurry flocculation stirrer and corresponding slurry thickening stirrer - Google Patents
Dynamic static taking and thickening device of slurry flocculation stirrer and corresponding slurry thickening stirrer Download PDFInfo
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- CN212440166U CN212440166U CN202021569970.0U CN202021569970U CN212440166U CN 212440166 U CN212440166 U CN 212440166U CN 202021569970 U CN202021569970 U CN 202021569970U CN 212440166 U CN212440166 U CN 212440166U
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Abstract
The utility model discloses a movable static taking thickening device of a slurry flocculation stirrer and a corresponding slurry thickening stirrer; the device innovation scheme main points are: on the basis of the existing slurry flocculation stirring machine, a thickening device is skillfully added in the stirring tank and comprises a lower cone mouth thickening barrel, a height adjusting screw and an overflow hose; the lower cone thickening barrel divides the space in the stirring tank into two areas, namely a dynamic flocculation area and a static thickening area, wherein the two areas are communicated with each other and are static and do not interfere with each other; the flocculated slurry is naturally settled statically in a thickening device, and overflows with clear water; has the advantages of no additional space occupation, no energy consumption in continuous operation and automatic thickening. The slurry thickening stirrer uses a thickening device, has two functions of slurry flocculation and thickening, reduces the water content by about 50 percent compared with the original slurry, and can replace two process devices of the existing slurry flocculation stirrer and thickener; solves the technical problem of one-step in-place in the middle process of slurry flocculation and concentration, and meets the requirement of modern high-efficiency energy-saving sewage treatment.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment process equipment (solid-liquid separation auxiliary assembly), a mud flocculation mixer is related to.
Background
Generally, the main processes of sewage treatment are: naturally settling sewage in a settling pond → fully flocculating the settled mud by using a flocculating stirrer → dewatering the concentrated mud by using a thickener → a terminal dewatering device or a filter press, and obtaining mud cakes (filter cakes) after dewatering the mud, wherein the sewage meets the requirement of environmental protection after being treated.
A flocculation stirring machine is a lower-inlet and upper-outlet tank type stirring machine and mainly comprises a stirring motor, a stirring tank (flocculation tank), a stirring shaft, a frame type stirring paddle and the like. The flocculation aims to enable suspended slurry particles to be gathered and enlarged to form floccules, so that the coagulation of the slurry particles is accelerated, and the next slurry concentration is facilitated; the purpose of the agitation is to fully flocculate the slurry.
Slurry thickeners, including belt thickeners, drum thickeners, etc., take up an area of space greatly, the investment is high, the connecting pipeline is tedious among each apparatus; the purpose of concentration is to reduce the water content of the slurry to meet the requirements of the final dewatering equipment.
The existing sewage treatment process and the intermediate process equipment thereof have the following defects: 1. the sewage treatment process has long intermediate process, more used process equipment, large equipment investment, large occupied area, long treatment period and high energy consumption; 2. the flocculation stirrer only has a slurry flocculation function and lacks a slurry concentration function, the water content of slurry cannot be reduced in a flocculation process, another equipment (a thickener) is also required for thickening, the middle processes of flocculation and concentration cannot be operated in place in one step, and the requirement of modern high-efficiency energy-saving sewage treatment cannot be met; is a technical problem which is desired to be solved but is not successful all the time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior sewage treatment process and the intermediate process equipment thereof, solve the technical problems that the slurry flocculation stirrer lacks the slurry concentration function and the flocculation and concentration intermediate process cannot be in place in one step, and provide a dynamic static-taking thickening device of the slurry flocculation stirrer and a corresponding slurry thickening stirrer (fully called: slurry flocculation and thickening stirrer).
The utility model provides an innovation technical scheme that prior art problem adopted is: a movable static-taking thickening device (hereinafter referred to as a stirrer thickening device) of a slurry flocculation stirrer has the main technical scheme that: compared with the prior art, the innovative overall structure has the prominent substantive characteristics that on the basis of the existing slurry flocculation stirring machine, a thickening device is skillfully arranged in the stirring tank, namely a lower cone thickening barrel is additionally arranged in the stirring tank, the space in the stirring tank is divided into two zones, namely a dynamic flocculation zone (stirring turbulent flow zone) and a static thickening zone (static settlement zone), and the two zones are communicated and are static and do not interfere with each other; the flocculated slurry is statically and naturally settled in the thickening device, and overflows with clear water, so that the water content is reduced by about 50% compared with the original slurry, and the requirement of a final slurry dehydration process is directly met; therefore, the technical problem that people are eagerly solved but can not obtain successful mud flocculation and concentration in the middle process in one step is solved.
The specific design scheme is as follows: the thickening device of the stirrer mainly comprises a lower cone thickening barrel, a height adjusting screw and an overflow hose; the thickening barrel with the lower cone opening is characterized in that the thickening barrel with the lower cone opening is a circular barrel at the upper part 2/3, a funnel-shaped cone barrel is arranged at the lower part 1/3, the upper part and the lower part are welded into a whole, an outer curled edge is arranged at the upper end, a suspension type mounting hole is arranged on the outer curled edge, a clear water overflow opening is arranged on the wall of the upper barrel, and the diameter of the funnel opening at the lower end; the height adjusting screw is a screw corresponding to the height adjustment of the lower cone thickening barrel; the overflow hose is a telescopic hose, the outer end of the overflow hose is provided with a flange, and the specification of the overflow hose corresponds to that of the clear water overflow port.
The connection relation of each part is as follows: for convenience of explanation, a stirrer connecting piece is added; the upper end of the height adjusting screw is arranged on the stirring tank cover, the lower cone thickening barrel passes through the stirring shaft and is arranged at the lower end of the height adjusting screw in a hanging manner, the clear water overflow port corresponds to the quantitative discharge port of the stirring machine in height, and the overflow hose is connected with the clear water overflow ports of the stirring tank and the lower cone thickening barrel; the thickening device of the stirring machine is arranged in the stirring tank, so that the thickening device does not occupy additional space, and the rotation of the stirring paddle is not influenced integrally; has the functions of making flocculated slurry statically and naturally settle, overflowing clear water and automatically thickening slurry.
The flocculation slurry thickening principle: the space of the stirring tank is divided into two areas, namely a dynamic flocculation area (stirring turbulent flow area) and a static thickening area (static sedimentation area), by the lower cone thickening barrel, and the two areas are communicated and are taken out of the static state; in the dynamic flocculation area, the slurry is fully flocculated by a stirrer; the flocculated slurry enters a static thickening area, and the slurry particles are naturally settled in a static state and overflow compared with clear water, so that the slurry is continuously thickened without energy (without electricity); therefore, the middle process of slurry flocculation and concentration is realized in one step. Overcomes the technical prejudice that the stirrer can not have the functions of slurry flocculation and concentration, and obtains unexpected technical effects.
The utility model also provides a slurry thickening stirrer, which uses the movable static taking thickening device of the slurry flocculation stirrer; the stirring machine mainly comprises components such as a stirring motor, a stirring tank (flocculation tank), a stirring shaft, a frame type stirring paddle, a stirring machine thickening device (the utility model discloses).
The utility model provides a movable static taking thickening device of a slurry flocculation stirrer and a corresponding slurry thickening stirrer, which has the advantages of simple structure, no additional space occupation, no power consumption in continuous operation, automatic thickening and reliable performance; the sludge flocculation and thickening mixer has the beneficial effects of overcoming the technical bias that the mixer can not have the functions of sludge flocculation and thickening, solving the technical problem that people are eagerly to solve but can not obtain the successful intermediate process of sludge flocculation and thickening in one step all the time, improving the automatic thickening performance of the sludge flocculation mixer, scientifically simplifying the sewage treatment process, saving the equipment investment, occupied area and energy consumption required by a user to reuse the thickener, meeting the requirement of modern high-efficiency energy-saving sewage treatment, and filling the blank of the sludge flocculation and thickening mixer in China.
Drawings
FIG. 1 is a schematic view of a dynamic static-taking thickening device of the slurry flocculation stirring machine.
Fig. 2 is a schematic view of the mud thickening mixer of the present invention.
FIG. 3 is a schematic top view of the slurry thickening mixer of the present invention.
FIG. 4 is a schematic view of the butt joint between the slurry thickening stirrer and the belt filter press (terminal dewatering device).
Reference numerals: 1-thickening conical barrel, 2-height adjusting bolt, 3-clear water overflow port, 4-overflow hose, 5-stirring motor, 6-quantitative discharge port (outlet of flocculated slurry), 7-stirring tank (flocculation tank), 8-quantitative feed port (inlet of slurry and flocculant), 9-frame stirring paddle, 10-dynamic flocculation zone (turbulent stirring zone), 11-static thickening zone (static sedimentation zone), 12-emptying hole and 13-belt filter press (filter press or other terminal dewatering equipment).
Detailed Description
The technical solution in the embodiment of the present invention will be described below with reference to the accompanying drawings in the embodiment of the dynamic static thickening device and the corresponding slurry thickening mixer of the slurry flocculation mixer of the present invention, and it is obvious that the described embodiment is only a part of the preferred embodiments of the present invention, but not all embodiments. Based on the embodiment of the utility model, all other embodiments that technical personnel in the field obtained under the prerequisite of not making creative work, mud thickening principle is the same, and mud flocculation and thickening mixer similar in structure all belong to the utility model discloses a protection scope.
Example 1
The utility model provides a mud flocculation stirring machine is quiet thickening device that flexibly gets, the main points of the overall embodiment of innovation are: on the basis of the existing slurry flocculation stirring machine, thickening devices 1, 2 and 4 are skillfully added in a stirring tank, namely a lower cone thickening barrel 1 is added in the stirring tank, the inner space of the stirring tank 7 is divided into two areas, namely a dynamic flocculation area 10 (a stirring turbulent flow area) and a static thickening area 11 (a static sedimentation area), and the two areas are communicated and taken out of static state without interference; the flocculated slurry is statically and naturally settled in the thickening device, and overflows in comparison with clear water, so that the water content is reduced by about 50% compared with the original slurry, and the requirement of the final slurry dewatering process is directly met.
The specific implementation scheme is as follows: the device mainly comprises a lower cone thickening barrel 1, a height adjusting screw 2 and an overflow hose 3; the structure is simple, the land is not occupied, the energy consumption is not caused during the continuous operation, and the static self-thickening is adopted during the operation; the thickening device of the stirring machine is arranged in the stirring tank 7, so that no additional space is occupied, and the rotation of the stirring paddle 9 is not influenced integrally; the detailed description is as follows:
the upper part 2/3 of the lower cone thickening barrel 1 is a circular barrel, the lower part 1/3 is a funnel-shaped cone, the upper part and the lower part are welded into a whole, the upper end is provided with an outer curled edge, a suspension type mounting hole is arranged on the outer curled edge, the upper barrel wall is provided with a clear water overflow port, and the diameter of the lower funnel port is larger than that of the stirring shaft; the lower cone mouth thickening barrel passes through the stirring shaft and is installed at the lower end of the height adjusting screw in a hanging way, and the clear water overflow port corresponds to the quantitative discharge port of the stirring machine in height; for dynamic and static extraction to form a static enrichment zone 11 (static settling zone).
The height adjusting screw 2 is a screw corresponding to the height adjustment of the lower cone thickening barrel 1; is arranged on the cover of the stirring tank 7; the device is used for installing the lower cone thickening barrel 1 in a suspension mode and adjusting the height position of the lower cone thickening barrel 1.
The overflow hose 4 is made of a telescopic hose and a plastic material, a flange is arranged at the outer end of the overflow hose, the hose 3 is in a shape of a plurality of folded triangles which are connected, has certain elasticity, can float up and down within a small range and can naturally stretch out and draw back within a certain range, and the specification corresponds to the clear water overflow port 3; a clear water overflow port 3 connected with the stirring tank 7 and the lower cone thickening barrel 1; for overflowing the clear water.
The dynamic static taking and thickening device of the slurry flocculation stirrer provided by the utility model has the advantages of simple structure, no additional space occupation, no power consumption in continuous operation, automatic thickening and reliable performance; solves the technical problem that people always desire to solve but can not obtain successful mud flocculation and concentration in one step, and meets the requirement of modern high-efficiency energy-saving sewage treatment.
Example 2
A mud thickening stirrer, namely a mud flocculation and thickening stirrer, uses the mud flocculation stirrer provided by the utility model to flexibly fetch static thickening device; this mixer is for going into from top to bottom jar formula mixer, mainly comprises parts such as agitator motor 5, agitator tank 7 (flocculation tank), (mixing) shaft, frame stirring rake 9, mixer enrichment facility (the utility model discloses). The lower tank wall of the stirring tank 7 is provided with a quantitative feed port 8 (slurry and flocculant inlet) and an emptying hole 12, and the upper tank wall is provided with a quantitative discharge port 6 (flocculation slurry outlet) and is additionally provided with a clear water overflow port 3; a variable-frequency feeding pump is adopted to realize downward feeding and upward discharging, so that full flocculation of slurry in a tank and constant-stable feeding and discharging are guaranteed; and the high-level discharge hole 6 of the stirrer is directly and horizontally butted with the feed inlet of the terminal dewatering equipment 13 (such as a belt filter press shown in figure 4), so that a high-level mounting platform of the stirrer is saved compared with an up-in and down-out mode.
The final assembly of the thickening device of the stirrer: the upper end of a high-low adjusting screw 2 is arranged on a cover of a stirring tank 7, a lower cone thickening barrel 1 passes through a stirring shaft and is arranged at the lower end of the high-low adjusting screw 2 in a hanging way, a clear water overflow port 3 corresponds to a quantitative discharge port 6 of a stirring machine in height, and an overflow hose 4 is connected with the clear water overflow ports 3 of the stirring tank 7 and the lower cone thickening barrel 1; the thickening device of the stirring machine is arranged in the stirring tank 7, so that no additional space is occupied, and the rotation of the stirring paddle 9 is not influenced integrally; the space of the stirring tank 7 is divided into two areas, namely a dynamic flocculation area 10 (a stirring turbulent flow area) and a static thickening area 11 (a static sedimentation area) by the lower cone thickening barrel 1, and the two areas are communicated and are statically taken out; has the functions of making flocculated slurry statically and naturally settle, overflowing clear water and automatically thickening slurry.
The working process of the slurry thickening stirrer comprises the following steps: quantitatively inputting the slurry and the flocculating agent into a stirring tank 7 by a variable-frequency feed pump; in the dynamic flocculation area 10, the electric frame type stirring paddle 9 makes the slurry flocculate fully, and the flocculating agent makes the suspended slurry particles gather and grow to form flocs; in the static thickening area 11, after the flocculated mud enters, mud particles are naturally settled in a static state, and cleaner water overflows to ensure that the mudThe pulp is free from energy (without electricity) and is continuously thickened; the flocculated and thickened slurry quantitatively overflows into a terminal dewatering device 13; the middle process of slurry flocculation and concentration is realized in one step; thus, the process of using the thickener alone to thicken the slurry and the thickening equipment thereof are simplified. Through repeated tests, the variable-frequency feeding pump quantitatively inputs 20m per hour3The raw slurry is treated by adjusting the height of a clear water overflow port 3, for example, the overflow quantity of clear water is 10m per hour3The flow rate of the flocculated and thickened slurry is 10m per hour3The water content is reduced by about 50 percent compared with the original slurry; a slurry flocculation and thickening mixer can replace two process devices of the existing slurry flocculation mixer and the existing thickener.
The slurry thickening stirrer of the utility model has the advantages of simple structure, no additional space occupation, continuous operation, no power consumption, automatic thickening and reliable performance; repeated experiments prove that the automatic thickening performance of the slurry flocculation stirrer is improved, the sewage treatment process is scientifically simplified, the equipment investment, occupied area and energy consumption required by a user for independently using a thickener to thicken slurry are saved, and the requirement of modern high-efficiency energy-saving sewage treatment is met.
Claims (2)
1. A movable static-taking thickening device of a slurry flocculation stirrer comprises a lower cone thickening barrel, a height adjusting screw rod and an overflow hose; the method is characterized in that: the thickening barrel with the lower cone opening is characterized in that the thickening barrel with the lower cone opening is a circular barrel at the upper part 2/3, a funnel-shaped cone barrel is arranged at the lower part 1/3, the upper part and the lower part are welded into a whole, an outer curled edge is arranged at the upper end, a suspension type mounting hole is arranged on the outer curled edge, a clear water overflow opening is arranged on the wall of the upper barrel, and the diameter of the funnel opening at the lower end; the height adjusting screw is a screw corresponding to the height adjustment of the lower cone thickening barrel; the overflow hose is a telescopic hose, the outer end of the overflow hose is provided with a flange, and the specification of the overflow hose corresponds to that of the clear water overflow port; the upper end of the high-low adjusting screw is arranged on the stirring tank cover, the lower cone thickening barrel passes through the stirring shaft and is arranged at the lower end of the high-low adjusting screw in a hanging manner, and the overflow hose is connected with a clear water overflow port of the lower cone thickening barrel; has the functions of making flocculated slurry statically and naturally settle, overflowing clear water and automatically thickening slurry.
2. A slurry thickening stirrer comprises a stirring motor, a stirring tank, a stirring shaft, a frame type stirring paddle and a stirrer thickening device; the method is characterized in that: comprises the mud flocculation stirring power-driven static-taking thickening device of claim 1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021569970.0U CN212440166U (en) | 2020-08-03 | 2020-08-03 | Dynamic static taking and thickening device of slurry flocculation stirrer and corresponding slurry thickening stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021569970.0U CN212440166U (en) | 2020-08-03 | 2020-08-03 | Dynamic static taking and thickening device of slurry flocculation stirrer and corresponding slurry thickening stirrer |
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| Publication Number | Publication Date |
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| CN212440166U true CN212440166U (en) | 2021-02-02 |
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| CN202021569970.0U Active CN212440166U (en) | 2020-08-03 | 2020-08-03 | Dynamic static taking and thickening device of slurry flocculation stirrer and corresponding slurry thickening stirrer |
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| CN (1) | CN212440166U (en) |
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Address after: 253000 shoujingjin group, Jinghua Road North, Dezhou Economic Development Zone, Shandong Province Patentee after: Jingjin Equipment Co.,Ltd. Address before: 253000 shoujingjin group, Jinghua Road North, Dezhou Economic Development Zone, Shandong Province Patentee before: Jing Jin Environmental Protection Inc. |