CN105174673A - Device and method for treating sludge with earthworms - Google Patents
Device and method for treating sludge with earthworms Download PDFInfo
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- CN105174673A CN105174673A CN201510633189.2A CN201510633189A CN105174673A CN 105174673 A CN105174673 A CN 105174673A CN 201510633189 A CN201510633189 A CN 201510633189A CN 105174673 A CN105174673 A CN 105174673A
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- earthworm
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- mud
- sludge
- scraper
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- 239000010802 sludge Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 28
- 241001233061 earthworms Species 0.000 title abstract description 7
- 241000361919 Metaphire sieboldi Species 0.000 claims abstract description 118
- 238000007790 scraping Methods 0.000 claims description 35
- 230000033001 locomotion Effects 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 14
- 241000196324 Embryophyta Species 0.000 claims description 8
- 239000002023 wood Substances 0.000 claims description 6
- 230000001737 promoting effect Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000009423 ventilation Methods 0.000 abstract description 6
- 230000006870 function Effects 0.000 abstract description 2
- 210000003608 fece Anatomy 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 9
- 239000010865 sewage Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- 230000001473 noxious effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 241000243686 Eisenia fetida Species 0.000 description 1
- 241000243662 Lumbricus terrestris Species 0.000 description 1
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 230000008786 sensory perception of smell Effects 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
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Landscapes
- Treatment Of Sludge (AREA)
Abstract
The invention belongs to the technical field of sludge treatment and particularly relates to a device and a method for treating sludge with earthworms. The device comprises a support frame, a box, a sludge scraper assembly and a scraper driving device, wherein the box is arranged on the support frame, vent holes are densely distributed around the box, a bottom plate of the box adopts a net structure, the sludge scraper assembly is arranged at the bottom of the inner side of the box, and the sludge scraper assembly is connected with the scraper driving device located outside the box and driven by the scraper driving device to reciprocate so as to push sludge at the bottom of the box to leak out of meshes of the bottom plate. An earthworm dung bucket and a belt conveyor are arranged on the outer side of the bottom of the box, and the belt conveyor is arranged below the earthworm dung bucket. The sludge is treated in combination with physicochemical properties of the sludge, characteristics of treatment of the sludge with the earthworms as well as physiological habits of the earthworms, and automatic ventilation and mechanical and automatic earthworm dung discharge functions are realized.
Description
Technical field
The invention belongs to technical field of sludge treatment, specifically a kind of dealing with earthworm device of sludge and method.
Background technology
Along with the fast development of China's rural sewage treatment technology and the quick raising of rural sewage treatment rate, the sludge quantity that sewage work produces increases day by day.And mud not yet obtains effectively, treatment and disposal safely, has become the bottleneck affecting rural sewage treatment factory and normally run and develop, has directly affected the performance of sewage disposal benefit.
Containing hazardous and noxious substances such as pathogenic agent, heavy metal and persistent organisms in mud, very easily secondary pollution is caused, direct threatening environment safety and public health to environment such as underground water, soil, air.Relative to municipal sewage plant, the sewage work of China's major part Rural areas compares dispersion, and sewage load is relative with mud generation less, and it is very difficult for carrying out mud centralized collection in Rural areas and processing disposal.In addition, traditional method for sludge treatment is not suitable for the Rural areas being applied in the shortage of capital, professional and technical personnel.Therefore, find the specific resistance to filtration technology that less investment, running cost are low, simple to operate, have certain environment, economic benefit, carry out the specific resistance to filtration work of rural sewage treatment factory, conscientiously advance sludge reduction, stabilization, innoxious, resource technology is the most important thing solving China's Rural Environmental Problem.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of device and method of dealing with earthworm mud.This device and method carries out sludge treatment in conjunction with the physiological habit of the physico-chemical property of mud, the feature of dealing with earthworm mud and earthworm, has self-venting n., machine automatization row earthworm excrement function.
To achieve these goals, the present invention is by the following technical solutions:
A kind of device of dealing with earthworm mud, comprise bracing frame, casing, sludge scraping board component and scraper driving device, wherein casing is arranged on bracing frame, and the surrounding of casing is densely covered with ventilating pit, the base plate of described casing is reticulated structure, described sludge scraping board component is arranged at the inside bottom of casing, described sludge scraping board component is connected with the described scraper driving device being positioned at casing outside, and by the driving back and forth movement of described scraper driving device, thus the mud promoting bottom half spills from the mesh of described base plate.
The device of described dealing with earthworm mud comprises earthworm dustpan and rotary conveyor further, and described earthworm dustpan is arranged at the bottom outside of casing, and described rotary conveyor is arranged at the below of described earthworm dustpan, for receiving and carrying the earthworm excrement spilt by described earthworm dustpan.
The side of described casing is provided with multiple airduct, and one end of each airduct is inserted in described casing, the position of close bottom, and described airduct is provided with vertically multiple air port down, the other end of described airduct is connected with wind regime.
The opposing sidewalls of described casing is provided with scraper plate track, and the both sides of described sludge scraping board component and two described scraper plate track slidings are dynamically connected, and the throughput direction of described rotary conveyor is parallel with the direction of motion of described sludge scraping board component.
Described sludge scraping board component comprises grader leveling blade, vertically scraper plate and scraper plate web plate, its middle scraper web plate is interval with multiple grader leveling blade successively, each grader leveling blade is equipped with vertical scraper plate near two ends, and the end, two ends of each grader leveling blade is pointed end, the both sides of described scraper plate web plate are dynamically connected with described scraper plate track sliding respectively, and one end of described scraper plate web plate is connected with described scraper driving device.
Described scraper driving device comprises cam drive motor, cam, union lever and roller, wherein one end of union lever is connected with described sludge scraping board component, the other end is rotatablely equipped with roller, described cam drive motor is arranged on support frame as described above, and output shaft being connected with described cam, described cam and described roller are connected.
The output shaft of described cam drive motor vertically arrange and with the axis being parallel of described roller.
Utilize a method for the device lignin-sludge of described dealing with earthworm mud, the method comprises following step:
1) in casing, first add the mud of 15 ~ 20cm thickness, then added to by earthworm and be equipped with in the casing of mud, earthworm carries out the process of mud in casing, and the treatment time is 15 ~ 20 days;
2) after 15 ~ 20 days, in casing, add the mud of 15 ~ 20cm again, open wind regime, by the bottom blast of airduct to casing, innervate and leave bottom the earthworm of bottom half and shift to upper strata;
3) opening cam drive-motor, described cam drive driven by motor cam rotates, described cam promotes sludge scraping board component back and forth movement through the roller be in contact with it, the mud that the sludge scraping board component of back and forth movement promotes to handle well spills from the mesh of bottom half, and fall through earthworm dustpan on the rotary conveyor of below, carry.
Described step 1) and 2) in, add in leaf, stalk, weeds or wood chip in described mud further one or more, and with mud mix and blend, form mud mixture.
Described step 1) in, successively add mud mixture and earthworm in casing after, casing is placed in dark environment.
Advantage of the present invention and beneficial effect are:
1. casing upper end of the present invention is open type, and surrounding is densely covered with a lot of ventilating pit, and lower end is provided with mesh floor, serves good ventilation, to reach the object of the efficient lignin-sludge of earthworm.
2. the side of casing of the present invention is provided with airduct, after the complete mud of dealing with earthworm, when needing blowdown mud (earthworm excrement), by airduct weak wind of drum in casing, leaves the object of mud bottom with the earthworm reaching the overwhelming majority.
3. another side of casing of the present invention is provided with scraper driving device, be connected with scraper plate web plate by union lever at casing inside strake drive unit, after most earthworms leaves mud bottom, by the drive of scraper driving device, its scraper plate web plate carries out back and forth movement, and sludge scraping complete for dealing with earthworm is got off.
4. be provided with the multiple grader leveling blades connected by scraper plate web plate in casing of the present invention, the both sides of each grader leveling blade are relatively more sharp-pointed, to reach the object of high-efficient scraping mud.In addition, the both sides of casing are provided with scraper plate track, with the unswerving object of the back and forth movement reaching scraper plate web plate.
5. be provided with mesh floor below casing of the present invention, it plays the effect of good ventilation on the one hand, and its sizing grid just reaches mud, earthworm excrement and earthworm in lignin-sludge process and do not leak the object into rotary conveyor on the other hand.
6. the bottom outside of casing of the present invention is provided with earthworm dustpan, to reach the object that the mud (earthworm excrement) scraped off all drops on rotary conveyor.
7. bottom of the present invention is provided with rotary conveyor, reaches the object of reception and the complete mud of transport process.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the side elevational view of Fig. 1;
Fig. 3 is the structural representation that cam of the present invention coordinates with roller;
Fig. 4 is the structural representation of box bottom in the present invention;
Fig. 5 is the vertical view of middle scraper assembly of the present invention;
Fig. 6 is the front view of middle scraper assembly of the present invention;
Fig. 7 is the tuyere structure schematic diagram in the present invention on airduct.
Wherein: 1 is rotary conveyor, 2 is bracing frame, and 3 is earthworm dustpan, 4 is mesh floor, and 5 is airduct, and 6 is casing, 7 is ventilating pit, and 8 is scraper plate track, and 9 is union lever, 10 is cam, and 11 is cam drive motor, and 12 is grader leveling blade, 13 is pointed end, and 14 is vertical scraper plate, and 15 is roller, 16 is scraper plate web plate, and 17 is vent.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As shown in Figure 1-2, the device of a kind of dealing with earthworm mud provided by the invention, comprise bracing frame 2, casing 6, sludge scraping board component and scraper driving device, wherein casing 6 is arranged on bracing frame 2, and the surrounding of casing 6 is densely covered with a lot of ventilating pit 7, the base plate 4 of described casing 6 is reticulated structure, described sludge scraping board component is arranged at the inside bottom of casing 6, described sludge scraping board component is connected with the described scraper driving device being positioned at casing 6 outside, and carry out back and forth movement by the driving of described scraper driving device, thus the mud promoted bottom casing 6 spills from the mesh of described base plate 4.
The device of described dealing with earthworm mud comprises earthworm dustpan 3 and rotary conveyor 1 further, described earthworm dustpan 3 is arranged at the bottom outside of casing 6, described rotary conveyor 1 is arranged at the below of described earthworm dustpan 3, for receiving and carrying the earthworm excrement spilt by described earthworm dustpan 3.
The side of described casing 6 is provided with the airduct 5 of multiple parallel laying, and one end of each airduct 5 is inserted in described casing 6, the position of close bottom, and the other end of described airduct 5 is connected with wind regime.Each airduct 5 is provided with multiple air port down vertically, and the described air port maximum angle that circumferentially distributes in the bottom of airduct 5 is 120 °, as shown in Figure 7.After the complete mud of dealing with earthworm, when needing blowdown mud (earthworm excrement), by airduct 5 weak wind of drum in casing 6, leave the object of mud bottom with the earthworm reaching the overwhelming majority.
The opposing sidewalls of described casing 6 is provided with scraper plate track 8, and the both sides of described sludge scraping board component and two described scraper plate tracks 8 are slidably connected, with the unswerving object of the back and forth movement reaching sludge scraping board component.
As seen in figs. 5-6, described sludge scraping board component comprises grader leveling blade 12, vertically scraper plate 14 and scraper plate web plate 16, its middle scraper web plate 16 is interval with multiple grader leveling blade 12 successively, each grader leveling blade 12 is equipped with vertical scraper plate 14 near two ends, and the end, two ends of each grader leveling blade 12 is pointed end 13, to reach the object of high-efficient scraping mud.The both sides of described scraper plate web plate 16 are slidably connected with described scraper plate track 8 respectively, and one end of described scraper plate web plate 16 is connected with described scraper driving device.Described scraper driving device drives described scraper plate web plate 16 back and forth movement, base sludge horizontal direction is cut by described grader leveling blade 12, then swept by vertical scraper plate 14, by in the earthworm dustpan 3 below sludge scraping to base plate 4, finally fall on rotary conveyor 1, the direction of motion of described sludge scraping board component is parallel with the throughput direction of described rotary conveyor 1.
Described scraper driving device comprises cam drive motor 11, cam 10, union lever 9 and roller 15, wherein one end of union lever 9 is connected with described scraper plate web plate 16, the other end is rotatablely equipped with roller 15, described cam drive motor 11 is arranged on support frame as described above 2, the output shaft that described cam 10 is arranged at described cam drive motor 11 coordinates with described roller 15, as shown in Figure 3.The output shaft of described cam drive motor 11 vertically arranges and installs with the axis being parallel of described roller 15, thus ensures that the rotary motion of described cam drive motor 11 output shaft is converted to the horizontal linear back and forth movement of scraper plate web plate 16.After the earthworm of the overwhelming majority leaves mud bottom, to be dynamically connected bar 9 and scraper plate web plate 16 back and forth movement by the Sports band of cam 10, while its scraper plate web plate 16 carries out back and forth movement, by the teamwork of grader leveling blade 12 and vertical scraper plate 14, mud complete for dealing with earthworm is scraped in earthworm dustpan 3 by the mesh of described base plate 4.
Utilize the method for the device lignin-sludge of a kind of dealing with earthworm mud provided by the invention, comprise following step:
1) added to by mud in casing 6, in casing 6, the interpolation thickness of mud is 15 ~ 20cm, and added to by earthworm and be equipped with in the casing 6 of mud, earthworm carries out sludge treatment in casing 6, and the treatment time is 15 ~ 20 days;
2) after 15 ~ 20 days, add the mud of 15 ~ 20cm in casing 6 again, open wind regime, by the bottom blast of airduct 5 to casing 6, the most earthworms innervated bottom casing 6 leave bottom and shift to upper strata;
3) opening cam drive-motor 11, described cam drive motor 11 is with moving cam 10 to rotate, described cam 10 promotes sludge scraping board component back and forth movement through the roller 15 be in contact with it, the mud that the sludge scraping board component of back and forth movement promotes to handle well spills from the mesh bottom casing 6, and fall through earthworm dustpan 3 on the rotary conveyor 1 of below, carry out collection conveying.
Described step 1) and 2) in, to add in leaf, stalk, weeds or wood chip one or more in described mud further, and with mud mix and blend, form mud mixture.Successively added mud mixture and earthworm in casing 6 after, casing 6 is placed in dark environment.
Embodiment
In the present embodiment, the rectangular parallelepiped that described casing 6 opens wide for top.Due to the ventilation environment that the living necessities of earthworm are good, so that supplemental oxygen, discharge carbonic acid gas, therefore the surrounding of casing is densely covered with a lot of miniature ventilating pit 7, the diameter of ventilating pit 7 is 1.0 ~ 1.2mm, and ventilating pit 7 total area is 15 ~ 25% of casing surrounding area.Support frame as described above 2, earthworm dustpan 3, base plate 4, casing 6 and sludge scraping board component all adopt stainless steel, rhombus or the square of to be the length of side the be 6 ~ 8mm of the grid on described base plate 4, as shown in Figure 4.Described scraper plate track 8 is located in casing 6 by welding process, and material is stainless steel, and the length in its direction of motion is about 1/5 ~ 1/3 of casing 6 length.
The earthworm of improved seeds is obviously better than common earthworm in reproductive efficiency, vitality, and in sludge treatment effect, also have obvious difference, the present invention selects Eisenia foetida.Utilize dealing with earthworm mud, need by mud through simple pre-treatment, mainly control moisture percentage in sewage sludge, adjust ph, monitoring hazardous and noxious substances, drop into again as the standard of earthworm feedstuff to reach mud.By the mud after plate-and-frame filter press or belt filter press press filtration, its water ratio is 80 ~ 85%, and earthworm is adapted at water ratio is live in the environment of 60 ~ 70%.In order to the water ratio scope making the moisture control of mud survive applicable earthworm, add in mud after press filtration leaf, stalk, weeds, wood chip etc. one or more, and with mud mix and blend, form mud mixture, the ratio of the leaf added, stalk, weeds, wood chip etc. is 20 ~ 40% of mud weight.The object of adding leaf, stalk, weeds, wood chip etc. is except can reducing the water ratio of mud, and the ventilation property that can also increase mud and the carbon-nitrogen ratio adjusted in mud, make the efficient lignin-sludge of earthworm.Earthworm generally survives in the environment of weak acid or neutrality, the too high or too low growth that all can endanger earthworm of pH value of mud, is best with pH value 6.0 ~ 7.0.Therefore, mud must control could drop into as feed after suitable pH value range.When sludge pH is less than 6.0, the lime water of clarification can be added.When sludge pH is 7.0 ~ 9.0, the primary ammonium phosphate of available mud (mud mixture) weight 0.01 ~ 0.5% regulates, and excessive concentration can cause earthworm product cocoon rate sharply to decline.When pH value is more than 9.0, available acetic acid or citric acid are as buffer reagent, and addition is 0.01 ~ 1.0% of mud (mud mixture) weight, and pH value can be made to be adjusted to 6.0 ~ 7.0, and addition is crossed conference and caused earthworm product cocoon rate sharply to decline.In addition, be necessary regularly to detect heavy metal content such as Cu, the Pb in mud, need through chemical process decrement during severe overweight, avoid the heavy metal of excessive concentration to cause earthworm poor growth or death.
Mud thickness in casing 6 is wanted suitably, and thickness is excessive easily makes poor aeration; Thickness is too small, not only causes plant area area to increase, and easily dries out, thus affects growth and breeding and the sludge treatment effect of earthworm.In addition, the density of earthworm has larger impact to treatment effect, overstockedly affects that earthworm takes food, movable and growth and breeding, crosses rare then treatment effect not good.In the present invention, in casing 6, successively add 15 ~ 20cm thick in pretreated mud, and appropriate earthworm (50g earthworm/kg mud mixture).After interpolation, the earthworm of the overwhelming majority while lower floor's activity, starts to process to mud in mud.Under normal circumstances, dealing with earthworm mud needs the time of 15 ~ 20 days, in treating processes, adds some leaf or straw etc. in mud the top, while the dark living environment creating earthworm hobby, also play the effect keeping mud mixture water ratio to a certain extent.In addition, in order to keep suitable humidity, also can spray water in casing.Grid on base plate 4 bottom the ventilating pit 7 at casing 6 four sides and casing 6 plays the effect of ventilation, to reach the object of the efficient lignin-sludge of earthworm.Through the process of 15 ~ 20 days earthworms, mud mixture has originally been transformed into earthworm excrement, and the Pollutant levels in mud significantly reduce, and earthworm also starts blackening gradually and attenuates.If now opening cam drive-motor 11, then in casing 6, mud scraper plate web plate 16 starts back and forth movement, in back and forth movement process, earthworm excrement and earthworm are scraped off by sludge scraping board component in the lump, even may occur that grader leveling blade cuts away the situation of earthworm, cause a large amount of earthworm meetings dead.The work that earthworm is separated with earthworm excrement is time-consuming, although have many treatment processs in report, efficiency is all not high.The present invention only wiped earthworm excrement off to reach, and keeps the object of earthworm here, takes following mode of operation: through 15 ~ 20 days, after the complete mud of dealing with earthworm, again added the mud mixture after new a collection of 15 ~ 20cm in casing 6.Now, in casing 6, the thickness of mud and earthworm excrement is added up at about 30 ~ 35cm.The sense of smell of earthworm is very sensitive, climbs to gradually in new sludge blanket and goes, and in order to ensure that earthworm climbs to upper strata further, open wind regime and wait for 1.0 ~ 2.0 hours, because earthworm likes quiet environment, earthworm will transfer to new sludge blanket region away from bottom.Now, opening cam drive-motor 11 driving cam 10 rotates, cam 10 drives sludge scraping board component to carry out in back and forth movement process through union lever 9, gradually the mud processed (earthworm excrement) is scraped off, until all mud (earthworm excrement) processed has been scraped.Due to the existence of scraper plate track 8, the orbital motion of sludge scraping board component by design can be ensured.Earthworm excrement is all collected on rotary conveyor 1 by earthworm dustpan 3, finally sees off to earthworm excrement collecting region.Utilizing in dealing with earthworm sludge process, what should be noted that is some the habit that earthworm has the different hall of grandparent and grandchild, as redistributed earthworm aperiodically, also can cause inbrde situation, making population deterioration, affect sludge treatment effect.The earthworm excrement finally obtained by dealing with earthworm mud is splendid fertilizer.Therefore, more than utilizing the whole process of dealing with earthworm mud, is namely the process of sludge reduction, stabilization, innoxious, resource utilization.
Claims (10)
1. the device of a dealing with earthworm mud, it is characterized in that, comprise bracing frame (2), casing (6), sludge scraping board component and scraper driving device, wherein casing (6) is arranged on bracing frame (2), and the surrounding of casing (6) is densely covered with ventilating pit (7), the base plate (4) of described casing (6) is reticulated structure, described sludge scraping board component is arranged at the inside bottom of casing (6), described sludge scraping board component is connected with the described scraper driving device being positioned at casing (6) outside, and by the driving back and forth movement of described scraper driving device, thus the mud promoting casing (6) bottom spills from the mesh of described base plate (4).
2. by the device of dealing with earthworm mud according to claim 1, it is characterized in that, the device of described dealing with earthworm mud comprises earthworm dustpan (3) and rotary conveyor (1) further, described earthworm dustpan (3) is arranged at the bottom outside of casing (6), described rotary conveyor (1) is arranged at the below of described earthworm dustpan (3), for receiving and carrying the earthworm excrement spilt by described earthworm dustpan (3).
3. by the device of dealing with earthworm mud according to claim 2, it is characterized in that, the side of described casing (6) is provided with multiple airduct (5), one end of each airduct (5) is inserted in described casing (6), the position of close bottom, described airduct (5) is provided with multiple air port down vertically, and the other end of described airduct (5) is connected with wind regime.
4. by the device of dealing with earthworm mud according to claim 2, it is characterized in that, the opposing sidewalls of described casing (6) is provided with scraper plate track (8), the both sides of described sludge scraping board component and two described scraper plate tracks (8) are slidably connected, and the throughput direction of described rotary conveyor (1) is parallel with the direction of motion of described sludge scraping board component.
5. by the device of dealing with earthworm mud according to claim 4, it is characterized in that, described sludge scraping board component comprises grader leveling blade (12), vertical scraper plate (14) and scraper plate web plate (16), its middle scraper web plate (16) is interval with multiple grader leveling blade (12) successively, each grader leveling blade (12) is upper is equipped with vertical scraper plate (14) near two ends, and the end, two ends of each grader leveling blade (12) is pointed end (13), the both sides of described scraper plate web plate (16) are slidably connected with described scraper plate track (8) respectively, one end of described scraper plate web plate (16) is connected with described scraper driving device.
6. by the device of dealing with earthworm mud according to claim 2, it is characterized in that, described scraper driving device comprises cam drive motor (11), cam (10), union lever (9) and roller (15), wherein one end of union lever (9) is connected with described sludge scraping board component, the other end is rotatablely equipped with roller (15), described cam drive motor (11) is arranged on support frame as described above (2), and output shaft being connected with described cam (10), described cam (10) and described roller (15) are connected.
7., by the device of dealing with earthworm mud according to claim 6, it is characterized in that, the output shaft of described cam drive motor (11) vertically arrange and with the axis being parallel of described roller (15).
8. utilize a method for device lignin-sludge described in any one of claim 1-7, it is characterized in that, the method comprises following step:
1) the first mud of interpolation 15 ~ 20cm thickness casing (6) in, then earthworm is added to mud is housed casing (6) in, earthworm carries out the process of mud in casing (6), and the treatment time is 15 ~ 20 days:
2) after 15 ~ 20 days, the mud of 15 ~ 20cm is added again in casing (6), open wind regime, by the bottom blast of airduct (5) to casing (6), the earthworm innervated bottom casing (6) leaves bottom and shifts to upper strata;
3) opening cam drive-motor (11), described cam drive motor (11) band moving cam (10) rotates, described cam (10) promotes sludge scraping board component back and forth movement through the roller (15) be in contact with it, the mud that the sludge scraping board component of back and forth movement promotes to handle well spills from the mesh of casing (6) bottom, and fall through earthworm dustpan (3) on the rotary conveyor (1) of below, carry.
9., by method according to claim 8, it is characterized in that, described step 1) and 2) in, add in leaf, stalk, weeds or wood chip in described mud further one or more, and with mud mix and blend, formation mud mixture.
10., by method according to claim 9, it is characterized in that, described step 1) in, successively add mud mixture and earthworm in casing (6) after, casing (6) is placed in dark environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510633189.2A CN105174673B (en) | 2015-09-29 | 2015-09-29 | A kind of device and method of dealing with earthworm sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510633189.2A CN105174673B (en) | 2015-09-29 | 2015-09-29 | A kind of device and method of dealing with earthworm sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105174673A true CN105174673A (en) | 2015-12-23 |
| CN105174673B CN105174673B (en) | 2017-11-03 |
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| CN201510633189.2A Expired - Fee Related CN105174673B (en) | 2015-09-29 | 2015-09-29 | A kind of device and method of dealing with earthworm sludge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109205977A (en) * | 2018-10-29 | 2019-01-15 | 华北水利水电大学 | A kind of device and method that sewage sludge after sewage treatment recycles |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674555A (en) * | 2012-05-07 | 2012-09-19 | 同济大学 | Wood filler earthworm biofilter and method for processing town residue sludge |
| CN203768194U (en) * | 2014-02-24 | 2014-08-13 | 沈阳环境科学研究院 | Device for treating residual sludge by using earthworms |
| CN205115247U (en) * | 2015-09-29 | 2016-03-30 | 沈阳环境科学研究院 | Device of mud is handled to earthworm |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102674555A (en) * | 2012-05-07 | 2012-09-19 | 同济大学 | Wood filler earthworm biofilter and method for processing town residue sludge |
| CN203768194U (en) * | 2014-02-24 | 2014-08-13 | 沈阳环境科学研究院 | Device for treating residual sludge by using earthworms |
| CN205115247U (en) * | 2015-09-29 | 2016-03-30 | 沈阳环境科学研究院 | Device of mud is handled to earthworm |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109205977A (en) * | 2018-10-29 | 2019-01-15 | 华北水利水电大学 | A kind of device and method that sewage sludge after sewage treatment recycles |
| CN109205977B (en) * | 2018-10-29 | 2021-12-24 | 华北水利水电大学 | Device and method for recycling sludge after sewage treatment |
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| CN105174673B (en) | 2017-11-03 |
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