CN212559902U - Multistage excrement and urine dehydration device - Google Patents
Multistage excrement and urine dehydration device Download PDFInfo
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- CN212559902U CN212559902U CN202021338048.0U CN202021338048U CN212559902U CN 212559902 U CN212559902 U CN 212559902U CN 202021338048 U CN202021338048 U CN 202021338048U CN 212559902 U CN212559902 U CN 212559902U
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Abstract
The utility model provides a multistage excrement dehydration treatment device, which is characterized in that the device comprises a primary solid-liquid separator, an adjusting tank, a crusher, a secondary solid-liquid separator, a flocculation dehydration device, a sewage denitrification treatment device, a negative pressure fan and a biological filter bed, wherein the adjusting tank is connected with the negative pressure fan through an odor pipe, the inner part of the adjusting tank is a primary adjusting tank, a secondary adjusting tank and a buffering adjusting tank, a sewage pump is arranged in the primary adjusting tank, the primary adjusting tank is connected with the primary solid-liquid separator through a sludge pipe, a non-clogging lifting pump is arranged in the secondary adjusting tank, a non-clogging sewage pump is arranged in the buffering adjusting tank, the sewage pump is sequentially connected with the crusher, the secondary solid-liquid separator and the secondary adjusting tank through the sludge pipe, the non-clogging lifting pump is sequentially connected with the flocculation dehydration device and the buffering adjusting tank, effectively preventing odor from diffusing and having good use effect.
Description
Technical Field
The utility model relates to a multistage excrement and urine dehydration device belongs to excrement and urine dewatering equipment technical field.
Background
The construction and design basis of the existing urban fecal treatment factory in China is CJJ64-1995 & ltdesign Specification of urban fecal treatment factories'. The process comprises the following steps: 1. pretreatment and flocculation dehydration; 2. and (4) discharging the pretreated wastewater and a special pipeline to a nearby sewage treatment plant. Wherein the pretreatment adopts a mechanical coarse grid or an integrated solid-liquid separator of the traditional sewage treatment plant. Because the grid gaps of the coarse grid and the integrated solid-liquid separator are both more than 8mm, particles below 8mm enter the next process section, and the flocculation dehydration system is greatly damaged. Meanwhile, the traditional mechanical grating is adopted, so that the defects of serious odor outflow of front-end solid-liquid separation, harsh working environment and the like are caused.
The existing urban excrement has the characteristics of more impurities and large solid content, the existing process only intercepts and removes larger impurities, and fine suspended particles in the excrement are not effectively removed, so that the indexes of pollutants such as CODcr, BOD5, SS and the like of the discharged sewage can not reach the water quality standard of GB/T31962 and 2015 sewage discharge into urban sewer. Meanwhile, in order to avoid the blockage of a sewage pipe network caused by high SS (suspended solids), most of the fecal treatment plants are built near sewage plants, and the sewage plants with smaller scale are impacted by the high CODcr, BOD5 and SS pollutant loads, so that the stable operation of the sewage treatment plants is influenced. In summary, the prior fecal treatment device has the following disadvantages:
1. the existing fecal treatment pretreatment process adopts a single-stage pretreatment process, because the fecal has more impurities, the impurities can not be removed after the first-stage pretreatment, the filtration pitch of the pretreatment equipment is too large, the impurities are not completely removed, the pitch is too small, the equipment is easy to block, and the treatment efficiency is influenced.
2. The prior art adopts the traditional mechanical grating, organic matters are easy to adhere to grating strips of a grating machine due to more organic particle content in excrement, the grating strips are easy to block, grating equipment is frequently cleaned and maintained, the cleaning environment is severe, and odor is seriously emitted.
3. The grid seam of the existing solid-liquid separator is more than 8mm, solid particles with smaller particle sizes are not effectively intercepted, and when sludge flocculation dehydration is adopted at the rear end, the solid particles wear extrusion dehydration equipment, so that the service life of the equipment is influenced.
4. The concentration of the pollutants in the treated tail water is high, and the tail water needs to be selected near a sewage treatment plant, so that the site selection is limited. Meanwhile, the high CODcr, BOD5 and SS pollutant loads impact a sewage plant with a small scale, and influence the stable operation of the sewage plant.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multistage excrement and urine dehydration device to solve the problem that proposes in the above-mentioned background art, the utility model discloses excrement and urine dehydration is thorough, effectively stops the foul smell and gives off, excellent in use effect.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a multistage excrement and urine dehydration device, includes one-level solid-liquid separation machine, equalizing basin, rubbing crusher, second grade solid-liquid separation machine, flocculation dewatering equipment, sewage denitrification processing apparatus, storage water tank, negative pressure fan and biological filter bed, and the equalizing basin is connected with negative pressure fan through the foul smell union coupling, the part is one-level equalizing basin, second grade equalizing basin and buffering equalizing basin in the equalizing basin, and the one-level equalizing basin internally mounted has the dredge pump, and the one-level equalizing basin is connected with one-level solid-liquid separation machine through the sludge pipe, and second grade equalizing basin internally mounted has the non-clogging elevator pump, and buffering equalizing basin internally mounted has the non-clogging dredge pump, the dredge pump has connected gradually rubbing crusher, second grade solid-liquid separation machine and second grade equalizing basin through the sludge pipe, the non-clogging elevator pump has connected gradually flocculation dewatering equipment and buffering equalizing basin through the sewage pipe and has, the water storage tank is respectively connected with the first-stage solid-liquid separator, the second-stage solid-liquid separator and the flocculation dehydration equipment through a water supply pipe, the negative pressure fan is connected with the biological filter bed through one end of the odor pipe, and the other end of the negative pressure fan is connected with the first-stage solid-liquid separator, the second-stage solid-liquid separator and the flocculation dehydration equipment.
Furthermore, a booster pump is arranged between the primary solid-liquid separator and the flocculation dewatering equipment and the water storage tank.
Further, screw conveyors are arranged in the primary solid-liquid separator, the secondary solid-liquid separator and the flocculation dehydration equipment, a hopper is arranged at an outlet of each screw conveyor, and the hopper is connected with the slag transport vehicle through a sewage pipe.
Furthermore, the primary solid-liquid separator is connected with a quick interface, the quick interface is connected with a dung discharge truck, and the quick interface is inserted into the dung discharge truck.
Further, the sewage denitrification treatment device is connected to an external sewage treatment plant through a sewage pipe.
Further, the water storage tank is connected with an external tap water pipe through a water supply pipe.
Further, the primary regulating reservoir is connected with a negative pressure fan through an odor pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses the equipment connection all has closed treatment facility, and fundamentally stops the foul smell and gives off.
2. The utility model discloses well solid-liquid separation equipment bars sediment all adopts water under high pressure cleaning, and bars sediment washs thoroughly that mud content is low, and partial retrieval and utilization to equipment after the tail water is handled simultaneously plays the effect of water economy resource.
3. The utility model discloses a multistage series connection handles fecal treatment technology, and major possession debris, tiny solid particle, suspended particles thing separate in proper order and clear away in the excrement and urine, solve present excrement and urine tail water problem up to standard at all.
Drawings
The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:
FIG. 1 is a schematic structural view of a multi-stage fecal dewatering treatment device of the present invention;
reference numbers in the figures: 1-quick connector, 2-first stage solid-liquid separator, 3-first stage regulating reservoir, 4-sewage pump, 5-pulverizer, 6-second stage solid-liquid separator, 7-second stage regulating reservoir, 8-non-clogging lift pump, 9-flocculation dewatering equipment, 10-buffer regulating reservoir, 11-non-clogging sewage pump, 12-sewage denitrification treatment device, 13-water storage tank, 14-booster pump, 15-negative pressure fan, 16-biological filter bed, 17-dung discharging vehicle and 18-dreg transporting vehicle.
Detailed Description
It is easily understood that, according to the technical solution of the present invention, a plurality of alternative structural modes and implementation modes can be proposed by those skilled in the art without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.
Referring to fig. 1, the present invention provides a technical solution: a multi-stage excrement dehydration treatment device is characterized by comprising a primary solid-liquid separator 2, an adjusting tank, a pulverizer 5, a secondary solid-liquid separator 6, a flocculation dehydration device 9, a sewage denitrification treatment device 12, a water storage tank 13, a negative pressure fan 15 and a biological filter bed 16, wherein the adjusting tank is connected with the negative pressure fan 15 through an odor pipe, the inner part of the adjusting tank is a primary adjusting tank 3, a secondary adjusting tank 7 and a buffering adjusting tank 10, a sewage discharge pump 4 is arranged in the primary adjusting tank 3, the primary adjusting tank 3 is connected with the primary solid-liquid separator 2 through a sludge pipe, a non-clogging lifting pump 8 is arranged in the secondary adjusting tank 7, a non-clogging sewage discharge pump 11 is arranged in the buffering adjusting tank 10, the sewage discharge pump 4 is sequentially connected with the pulverizer 5, the secondary solid-liquid separator 6 and the secondary adjusting tank 7 through a sludge pipe, the non-clogging lifting pump 8 is sequentially connected with the, the non-blocking lift pump 8 is sequentially connected with a sewage denitrification treatment device 12 and a water storage tank 13 through a sewage pipe, the water storage tank 13 is respectively connected with the primary solid-liquid separator 2, the secondary solid-liquid separator 6 and the flocculation dehydration equipment 9 through a water supply pipe, the negative pressure fan 15 is connected with a biological filter bed 16 through one end of an odor pipe, and the other end of the negative pressure fan is connected with the primary solid-liquid separator 2, the secondary solid-liquid separator 6 and the flocculation dehydration equipment 9.
The booster pump 14 is arranged between the primary solid-liquid separator 2, the flocculation dehydration equipment 9 and the water storage tank 13, the booster pump 14 is used for improving the water pressure in the solid-liquid separator and the flocculation dehydration equipment 9, the excrement treatment process is thoroughly cleaned, the sludge content is low, and the water source is saved, the screw conveyors are arranged in the primary solid-liquid separator 2, the secondary solid-liquid separator 6 and the flocculation dehydration equipment 9, the outlet of each screw conveyor is provided with a hopper, the hopper is connected with the slag transport vehicle 18 through a sewage pipe, the solid slag in the primary solid-liquid separator 2, the secondary solid-liquid separator 6 and the flocculation dehydration equipment 9 is uniformly collected through the slag transport vehicle 18, and the grid is arranged in each screw conveyor and used for intercepting solid particles.
One-level solid-liquid separation machine 2 is connected with quick interface 1, quick interface 1 is connected with unloads dung-cart 17, quick interface 1 inserts inside the dung-cart 17 of unloading, peg graft with the dung-cart 17 through quick interface 1, the excrement and urine of collecting are derived and are handled, sewage denitrification processing apparatus 12 inserts external sewage treatment plant through the sewage pipe, carry out subsequent processing with the inside sewage of sewage denitrification processing apparatus 12 through sewage treatment plant, storage water tank 13 is connected with external water pipe through the feed pipe, it is always impoundd storage water tank 13 through the water pipe, one-level equalizing basin 3 is connected with negative-pressure air fan 15 through the foul smell trachea, this design takes out the inside foul smell of one-level equalizing basin 3 through negative-pressure air fan 15.
As an embodiment of the present invention: when excrement is subjected to dehydration treatment, the excrement in each septic tank and each public toilet is collected by an excrement discharging vehicle and then is transported to an excrement pretreatment plant through the excrement discharging vehicle 17, the quick connector 1 is inserted into the excrement discharging vehicle 17, excrement liquid enters the primary solid-liquid separator 2 through the closed quick connector 1 to be treated, solid particles move along with sewage to a grid net of a spiral conveyor and are intercepted, the solid particles are squeezed and discharged through a conveying spiral, organic matters and flushing water flow out of grid holes of the primary solid-liquid separator 2 and are discharged to the primary regulating tank 3, the primary solid-liquid separation process is finally completed, excrement water flows into the primary regulating tank 3, the filtering aperture of the primary solid-liquid separator 2 is 30mm, and high-strength flushing is performed on grid residues in equipment through a water storage tank 13 and a booster pump 14 to ensure residue-excrement separation.
Liquid dung in the primary adjusting tank 3 is pumped into a crusher 5 through a non-clogging sewage pump 11, floaters in the liquid dung are crushed into 10-20mm small particles by the crusher 5 and then enter a secondary solid-liquid separator 6 for treatment, liquid dung flows into a secondary adjusting tank 7 after treatment, the filtering aperture of the secondary solid-liquid separator 6 is 5mm, meanwhile, high-strength scouring is carried out on grid slag in the equipment through a water storage tank 13 and a booster pump 14, the separation of the slag and the liquid dung is ensured, and solid particles larger than 5mm are removed.
The sewage of the second-stage regulating tank 7 is pumped to the inside of the flocculation dehydration equipment 9 through the non-clogging lifting pump 8, the water content of the dewatered sludge is less than 70 percent, and the flocculation dehydration equipment 9 adopts multi-stage extrusion sludge dehydration equipment, so that the sludge dehydration rate is effectively ensured.
After the sludge is dewatered by a flocculation dewatering device 9, filtrate enters a buffer adjusting tank 10, is pumped to a sewage denitrification treatment device 12 by a non-clogging sewage pump 11, carries out biological treatment on total nitrogen and ammonia nitrogen pollutants in the wastewater, discharges partial tail water into an external sewage treatment plant, recycles partial wastewater to a water storage tank 13, and is used as water for cleaning grid slag of a primary solid-liquid separator 2 and a secondary solid-liquid separator 6.
In the excrement treatment, odor overflows from the primary solid-liquid separator 2, the primary regulating reservoir 3, the secondary solid-liquid separator 6, the secondary regulating reservoir 7, the flocculation dehydration equipment 9 and the buffer regulating reservoir 10, the odor is conveyed to the biological filter bed 16 through the odor collecting pipeline by the negative pressure fan 15 to be treated, the high-altitude emission is realized after the treatment reaches the standard, the excrement is pretreated, the sludge can be subjected to subsequent composting or incineration treatment, the grid slag can be subjected to landfill and incineration treatment, and the tail water reaches the standard and is discharged to a sewer, so that the aim of performing multi-stage treatment on the excrement is fulfilled.
The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various modifications and alterations to the above embodiments without departing from the technical spirit of the present invention, and these modifications and alterations should fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a multistage excrement and urine dehydration device, its characterized in that, including one-level solid-liquid separation machine (2), equalizing basin, rubbing crusher (5), second grade solid-liquid separation machine (6), flocculation dewatering equipment (9), sewage denitrification processing apparatus (12), storage water tank (13), negative pressure fan (15) and biological filter bed (16), the equalizing basin is connected with negative pressure fan (15) through smelly trachea, equalizing basin is inside to be divided into one-level equalizing basin (3), second grade equalizing basin (7) and buffering equalizing basin (10), and one-level equalizing basin (3) internally mounted has dredge pump (4), and one-level equalizing basin (3) are connected with one-level solid-liquid separation machine (2) through the sludge pipe, and second grade equalizing basin (7) internally mounted has non-clogging elevator pump (8), and buffering equalizing basin (10) internally mounted has non-clogging dredge pump (11), dredge pump (4) have connected gradually rubbing crusher (5) through the sludge pipe, Second grade solid-liquid separation machine (6) and second grade equalizing basin (7), no jam elevator pump (8) have connected gradually flocculation dewatering equipment (9) and buffering equalizing basin (10), no jam elevator pump (8) are connected with sewage denitrification processing apparatus (12) and storage water tank (13) in proper order through the sewage pipe, and storage water tank (13) are connected with one-level solid-liquid separation machine (2), second grade solid-liquid separation machine (6) and flocculation dewatering equipment (9) respectively through the feed pipe, negative pressure fan (15) are connected with biological filter bed (16) through foul smell pipe one end, and the other end is connected with one-level solid-liquid separation machine (2), second grade solid-liquid separation machine (6) and flocculation dewatering equipment (9).
2. The device for dehydrating and treating feces according to claim 1, characterized in that: and a booster pump (14) is arranged between the primary solid-liquid separator (2), the flocculation dewatering equipment (9) and the water storage tank (13).
3. The device for dehydrating and treating feces according to claim 1, characterized in that: screw conveyors are arranged in the primary solid-liquid separator (2), the secondary solid-liquid separator (6) and the flocculation dehydration equipment (9), hoppers are arranged at outlets of the screw conveyors and are connected with a slag car (18) through sewage pipes.
4. The device for dehydrating and treating feces according to claim 1, characterized in that: the primary solid-liquid separator (2) is connected with a quick connector (1), the quick connector (1) is connected with a dung discharge truck (17), and the quick connector (1) is inserted into the dung discharge truck (17).
5. The device for dehydrating and treating feces according to claim 1, characterized in that: the sewage denitrification treatment device (12) is connected to an external sewage treatment plant through a sewage pipe.
6. The device for dehydrating and treating feces according to claim 1, characterized in that: the water storage tank (13) is connected with an external tap water pipe through a water supply pipe.
7. The device for dehydrating and treating feces according to claim 1, characterized in that: the primary regulating tank (3) is connected with a negative pressure fan (15) through an odor pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021338048.0U CN212559902U (en) | 2020-07-09 | 2020-07-09 | Multistage excrement and urine dehydration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021338048.0U CN212559902U (en) | 2020-07-09 | 2020-07-09 | Multistage excrement and urine dehydration device |
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| Publication Number | Publication Date |
|---|---|
| CN212559902U true CN212559902U (en) | 2021-02-19 |
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| CN202021338048.0U Active CN212559902U (en) | 2020-07-09 | 2020-07-09 | Multistage excrement and urine dehydration device |
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| CN (1) | CN212559902U (en) |
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