CN105174673B - A kind of device and method of dealing with earthworm sludge - Google Patents
A kind of device and method of dealing with earthworm sludge Download PDFInfo
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- CN105174673B CN105174673B CN201510633189.2A CN201510633189A CN105174673B CN 105174673 B CN105174673 B CN 105174673B CN 201510633189 A CN201510633189 A CN 201510633189A CN 105174673 B CN105174673 B CN 105174673B
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Abstract
The invention belongs to technical field of sludge treatment, specifically a kind of dealing with earthworm device of sludge and method.The device includes support frame, casing, sludge scraper component and scraper driving device, wherein casing is arranged on support frame, and the surrounding of casing is densely covered with passage, the bottom plate of casing is network structure, sludge scraper component is arranged at the inside bottom of casing, sludge scraper component is connected with the scraper driving device outside casing, and by the driving back and forth movement of the scraper driving device, so as to promote the sludge of bottom half to be spilt from the mesh of bottom plate.The bottom outside of casing is provided with earthworm dustpan and belt conveyor, and belt conveyor is arranged at the lower section of the earthworm dustpan.The physiological habit of the characteristics of present invention combines the physicochemical property of sludge, dealing with earthworm sludge and earthworm carries out Treatment of Sludge, with self-ventilation, machine automatization row's earthworm excrement function.
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
With the fast development and the quick raising of rural sewage treatment rate of China's rural sewage treatment technology, at sewage
The sludge quantity that reason factory produces increasingly increases.And sludge is not yet effectively and safely handled and disposed, it has also become influence rural area is dirty
The bottleneck that water treatment plant normally runs and develops, directly affects the performance of sewage disposal benefit.
Containing poisonous and harmful substances such as pathogen, heavy metal and persistent organisms in sludge, easily to underground water, soil
The environment such as earth, air cause secondary pollution, direct threatening environment safety and public health.Relative to municipal sewage plant, I
The sewage treatment plant of state's major part rural area is more dispersed, and sewage load and sludge yield are relatively fewer, in rural area
It is very difficult that area, which carries out sludge centralized collection and processing disposal,.In addition, traditional method for sludge treatment suitable for application in
The shortage of capital, the rural area of professional and technical personnel.Therefore, find small investment, operating cost it is low, simple to operate, with certain
The specific resistance to filtration technology of environment, economic benefit, carries out the specific resistance to filtration work of rural sewage treatment factory, promotes conscientiously dirty
Mud minimizing, stabilisation, innoxious, resource technology are the most important things for solving China's Rural Environmental Problem.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of device and method of dealing with earthworm sludge.The device
And method combination sludge physicochemical property, dealing with earthworm sludge the characteristics of and earthworm physiological habit carry out Treatment of Sludge, tool
There are self-ventilation, machine automatization row's earthworm excrement function.
To achieve these goals, the present invention uses following technical scheme：
A kind of device of dealing with earthworm sludge, including support frame, casing, sludge scraper component and scraper driving device, its
Middle casing is arranged on support frame, and the surrounding of casing is densely covered with passage, and the bottom plate of the casing is network structure, the dirt
Mud scraper component is arranged at the inside bottom of casing, and the sludge scraper component is filled with the scraper plate driving outside casing
Connection is put, and by the driving back and forth movement of the scraper driving device, so as to promote the sludge of bottom half from the bottom plate
Mesh in spill.
The device of the dealing with earthworm sludge further comprises earthworm dustpan and belt conveyor, and the earthworm dustpan is arranged at case
The bottom outside of body, the belt conveyor is arranged at the lower section of the earthworm dustpan, for receiving and conveying by the earthworm dustpan
The earthworm excrement spilt.
The side of the casing is provided with multiple airducts, and the position of interior, the close bottom of the casing is inserted in one end of each airduct,
Multiple air ports directed downwardly are provided with the airduct vertically, the other end of the airduct is connected with wind regime.
The opposing sidewalls of the casing are provided with scraper plate track, the both sides of the sludge scraper component and two scraper plates
Track is slidably connected, and the conveying direction of the belt conveyor is parallel with the direction of motion of the sludge scraper component.
The sludge scraper component includes grader leveling blade, vertical scraper plate and scraper plate connecting plate, on its middle scraper connecting plate according to
Minor tick is provided with multiple grader leveling blades, each grader leveling blade is equipped with vertical scraper plate, and the two ends of each grader leveling blade close to two ends
End is pointed end, and the both sides of the scraper plate connecting plate are slidably connected with the scraper plate track respectively, the scraper plate connecting plate
One end be connected with the scraper driving device.
The scraper driving device include actuated by cams motor, cam, connecting rod and roller, wherein one end of connecting rod with
The sludge scraper component connection, the other end is rotatablely equipped with roller, and the actuated by cams motor is arranged on support frame as described above,
And the cam is connected with output shaft, the cam is connected with the roller.
The output shaft of the actuated by cams motor be vertically arranged and with the diameter parallel of the roller.
A kind of method that device using the dealing with earthworm sludge handles sludge, this method includes following steps：
1) sludge of 15~20cm thickness is first added in casing, then earthworm is added in the casing equipped with sludge, earthworm
Earthworm carries out the processing of sludge in casing, and processing time is 15~20 days；
2) after 15~20 days, add 15~20cm sludge again in casing, open wind regime, by airduct to casing
Bottom blast, the earthworm in bottom half that innervates leaves bottom-up layer transfer；
3) opening cam motor, the actuated by cams motor belt motor moving cam rotation, the cam is by being in contact with it
Roller promote sludge scraper component back and forth movement, the sludge scraper component of back and forth movement promotes the sludge handled well from casing bottom
Spill, and fallen on by earthworm dustpan on the belt conveyor of lower section in the mesh in portion, conveyed.
The step 1) and 2) in, further addition leaf, stalk, weeds or one kind or many in wood chip in the sludge
Kind, and mixed with sludge, form mud mixture.
The step 1) in, successively added after mud mixture and earthworm in casing, casing is placed in dark environment
In.
Advantages of the present invention and beneficial effect are：
1. the casing upper end of the present invention is open type, surrounding is densely covered with many passages, and lower end is provided with mesh floor, played
Good draught effect, to reach the purpose of earthworm efficient process sludge.
2. the side of the casing of the present invention is provided with airduct, it is necessary to during blowdown mud (earthworm excrement), pass through after the complete sludge of dealing with earthworm
Airduct weak wind of drum into casing, to reach that the earthworm of the overwhelming majority leaves the purpose of sludge bottom.
3. another of the casing of the present invention is provided with scraper driving device sideways, pass through even in casing inside strake drive device
Extension bar is connected with scraper plate connecting plate, and most earthworms is left after sludge bottom, and by the drive of scraper driving device, it is scraped
Plate connecting plate carries out back and forth movement, and the complete sludge of dealing with earthworm is scraped off.
4. provided with the multiple grader leveling blades connected by scraper plate connecting plate, the both sides of each grader leveling blade in the casing of the present invention
Compare sharp, to reach the purpose of high-efficient scraping sludge.In addition, the both sides of casing are provided with scraper plate track, to reach scraper plate connecting plate
The unswerving purpose of back and forth movement.
5. being provided with mesh floor below the casing of the present invention, its one side plays a part of good ventilation, on the other hand its
Sizing grid reaches that sludge, earthworm excrement and earthworm do not leak into the purpose of belt conveyor in processing sludge process just.
6. the bottom outside of the casing of the present invention is provided with earthworm dustpan, to reach that the sludge scraped off (earthworm excrement) fully falls in skin
Purpose with conveyer.
7. the bottom of the present invention is provided with belt conveyor, the purpose received with the complete sludge of transport process is reached.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is Fig. 1 side view；
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 top view of middle scraper component of the present invention；
Fig. 6 is the front view of middle scraper component of the present invention；
Fig. 7 is the tuyere structure schematic diagram on airduct in the present invention.
Wherein：1 is belt conveyor, and 2 be support frame, and 3 be earthworm dustpan, and 4 be mesh floor, and 5 be airduct, and 6 be casing, 7
It is scraper plate track for passage, 8,9 be connecting rod, and 10 be cam, and 11 be actuated by cams motor, and 12 be grader leveling blade, and 13 be point
Shape end, 14 be vertical scraper plate, and 15 be roller, and 16 be scraper plate connecting plate, and 17 be vent.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1-2, the device for a kind of dealing with earthworm sludge that the present invention is provided, including support frame 2, casing 6, sludge
Scraper component and scraper driving device, wherein casing 6 are arranged on support frame 2, and the surrounding of casing 6 is densely covered with many passages
7, the bottom plate 4 of the casing 6 is network structure, and the sludge scraper component is arranged at the inside bottom of casing 6, the sludge scraping
Board component is connected with the scraper driving device outside casing 6, and is carried out by the driving of the scraper driving device
Back and forth movement, so as to promote the sludge of the bottom of casing 6 to be spilt from the mesh of the bottom plate 4.
The device of the dealing with earthworm sludge further comprises earthworm dustpan 3 and belt conveyor 1, and the earthworm dustpan 3 is set
In the bottom outside of casing 6, the belt conveyor 1 is arranged at the lower section of the earthworm dustpan 3, for receiving and conveying by described
The earthworm excrement that earthworm dustpan 3 is spilt.
In airduct 5 of the side of the casing 6 provided with multiple parallel layings, one end insertion casing 6 of each airduct 5,
Position close to bottom, the other end of the airduct 5 is connected with wind regime.Multiple air ports directed downwardly are provided with each airduct 5 vertically,
The air port is 120 ° in the circumferentially distributed maximum angle in bottom of airduct 5, as shown in Figure 7.After the complete sludge of dealing with earthworm, it is necessary to
During blowdown mud (earthworm excrement), weak wind is roused into casing 6 by airduct 5, to reach that the earthworms of the overwhelming majority leave the mesh of sludge bottom
's.
The opposing sidewalls of the casing 6 are provided with scraper plate track 8, and the both sides of the sludge scraper component described in two with scraping
Plate track 8 is slidably connected, with the unswerving purpose of the back and forth movement for reaching sludge scraper component.
As seen in figs. 5-6, the sludge scraper component includes grader leveling blade 12, vertical scraper plate 14 and scraper plate connecting plate 16,
It is interval with multiple grader leveling blades 12, each grader leveling blade 12 and is equipped with vertically close to two ends successively on its middle scraper connecting plate 16
Scraper plate 14, and the two ends end of each grader leveling blade 12 is pointed end 13, to reach the purpose of high-efficient scraping sludge.The scraper plate connects
The both sides of fishplate bar 16 are slidably connected with the scraper plate track 8 respectively, and one end and the scraper plate of the scraper plate connecting plate 16 drive
Device is connected.The scraper driving device drives the back and forth movement of scraper plate connecting plate 16, and the grader leveling blade 12 is dirty by bottom
Mud horizontal direction is cut, and is then swept by vertical scraper plate 14, by the earthworm dustpan 3 of sludge scraping to the lower section of bottom plate 4, is finally fallen on
On belt conveyor 1, the direction of motion of the sludge scraper component is parallel with the conveying direction of the belt conveyor 1.
The scraper driving device includes actuated by cams motor 11, cam 10, connecting rod 9 and roller 15, wherein connecting rod 9
One end be connected with the scraper plate connecting plate 16, the other end is rotatablely equipped with roller 15, and the actuated by cams motor 11 is arranged on
On support frame as described above 2, the cam 10 is arranged on the output shaft of the actuated by cams motor 11 and matched somebody with somebody with the roller 15
Close, as shown in Figure 3.The output shaft of the actuated by cams motor 11 is vertically arranged and installed with the diameter parallel of the roller 15,
So as to ensure that the output shaft rotary motion of actuated by cams motor 11 is converted to the horizontal linear back and forth movement of scraper plate connecting plate 16.
After the earthworm of the overwhelming majority leaves sludge bottom, connecting rod 9 and scraper plate connecting plate 16 is driven to come and go by the motion of cam 10
Motion, while its scraper plate connecting plate 16 carries out back and forth movement, passes through grader leveling blade 12 and the co-operating handle of vertical scraper plate 14
The complete sludge of dealing with earthworm is scraped in earthworm dustpan 3 in the mesh of the bottom plate 4.
The method that a kind of device of the dealing with earthworm sludge provided using the present invention handles sludge, including following step
Suddenly：
1) sludge is added in casing 6, the addition thickness of sludge is 15~20cm in casing 6, and earthworm is added into dress
Have in the casing 6 of sludge, earthworm carries out Treatment of Sludge in casing 6, processing time is 15~20 days；
2) after 15~20 days, add 15~20cm sludge again in casing 6, open wind regime, by airduct 5 to case
The bottom blast of body 6, the most earthworms in the bottom of casing 6 that innervate leave bottom-up layer transfer；
3) opening cam motor 11, the actuated by cams motor 11 rotates with moving cam 10, and the cam 10 passes through
The roller 15 being in contact with it promotes sludge scraper component back and forth movement, and the sludge scraper component of back and forth movement promotes the dirt handled well
Mud is spilt from the mesh of the bottom of casing 6, and is fallen on by earthworm dustpan 3 on the belt conveyor 1 of lower section, is collected conveying.
The step 1) and 2) in, it is further a kind of or many in addition leaf, stalk, weeds or wood chip in the sludge
Kind, and mixed with sludge, form mud mixture.After successively having added mud mixture and earthworm in casing 6, by case
Body 6 is placed in dark environment.
Embodiment
In the present embodiment, the casing 6 is the cuboid that top is opened wide.Due to the good ventilation ring of the living necessities of earthworm
Border, so as to supplemental oxygen, discharges carbon dioxide, therefore the surrounding of casing is densely covered with many miniature passages 7, passage 7 it is straight
Footpath is 1.0~1.2mm, and the gross area of passage 7 is the 15~25% of casing surrounding area.Support frame as described above 2, earthworm dustpan 3, bottom plate
4th, casing 6 and sludge scraper component use stainless steel, the grid on the bottom plate 4 be the rhombus that the length of side is 6~8mm or
Square, as shown in Figure 4.The scraper plate track 8 is to be located at by welding manner in casing 6, and material is stainless steel, its motion side
Upward length is about the 1/5~1/3 of the length of casing 6.
The earthworm of improved seeds is significantly stronger than common earthworm in terms of reproductive efficiency, vitality, in Treatment of Sludge effect
Aspect also has obvious difference, and the present invention selects Eisenia Foetida.Using dealing with earthworm sludge, it is necessary to by sludge by simple
Pretreatment, mainly control moisture percentage in sewage sludge, regulation pH value, monitoring poisonous and harmful substance, to reach that sludge is raised as earthworm
The standard of material is put into again.By the sludge after plate and frame filter press or belt filter press press filtration, its moisture content is 80~85%, and earthworm
Earthworm is adapted to live in moisture content is 60~70% environment.In order that the moisture control of sludge is being adapted to containing for earthworm existence
Leaf, stalk, weeds, the one or more such as wood chip are added in water rate scope, the sludge after press filtration, and mixes and stirs with sludge
Mix, formation mud mixture, the ratio of the leaf added, stalk, weeds, wood chip etc. is the 20~40% of sludge weight.Add
Plus the purpose of leaf, stalk, weeds, wood chip etc. is in addition to it can reduce the moisture content of sludge, additionally it is possible to increase the saturating of sludge
Carbon-nitrogen ratio in gas and adjustment sludge, makes earthworm efficient process sludge.Earthworm is general raw in weak acid or the environment of neutrality
Deposit, the pH value of sludge is too high or too low all to endanger the growth of earthworm, be optimal with pH value 6.0~7.0.Therefore, sludge is necessary
Control could be put into after appropriate pH value range as feed.When sludge pH is less than 6.0, the quick lime of clarification can be added
Water.When sludge pH is 7.0~9.0, it can be adjusted with the ammonium dihydrogen phosphate of sludge (mud mixture) weight 0.01~0.5%
Section, excessive concentration can cause earthworm production cocoon rate drastically to decline.When pH value is more than 9.0, buffering can be used as with acetic acid or citric acid
Agent, addition is the 0.01~1.0% of sludge (mud mixture) weight, pH value can be made to be adjusted to 6.0~7.0, addition is excessive
Earthworm can be caused to produce cocoon rate drastically to decline.Additionally, it is necessary to periodically the content of beary metal such as Cu, Pb in sludge are detected,
Needed during severe overweight by chemical method decrement, it is to avoid the heavy metal of excessive concentration causes earthworm undergrowth or death.
Sludge thickness in casing 6 is appropriate, and thickness is excessive easily to make poor aeration；Thickness is too small, and device is not only resulted in and is accounted for
Ground area increases, and easily dries out, so as to influence the growth and breeding and Treatment of Sludge effect of earthworm.In addition, earthworm is close
Degree has large effect to treatment effect, and overstocked influence earthworm takes food, movable and growth and breeding, and excessively dilute then treatment effect is not good.
In the present invention, sludge of 15~20cm thickness by pretreatment is successively added into casing 6, and appropriate earthworm (50g earthworms/
Kg mud mixtures).After addition, while lower floor's activity, place is proceeded by sludge in sludge for most earthworms
Reason.Under normal circumstances, dealing with earthworm sludge needs the time of 15~20 days, in processing procedure, and one is added in sludge the top
While a little leaves or straw etc., dark living environment to create earthworm hobby, also act as and keep sludge to mix to a certain extent
The effect of compound moisture content.In addition, in order to keep suitable humidity, the also sprayable water into casing.The passage at the four sides of casing 6
7 play a part of ventilation with the grid on the bottom plate 4 of the bottom of casing 6, to reach the purpose of earthworm efficient process sludge.By 15
The processing of~20 days earthworms, the pollutant concentration that original mud mixture has been transformed into earthworm excrement, sludge has been greatly lowered,
Earthworm also gradually starts blackening and attenuated.If now opening cam motor 11, sludge scraper plate connecting plate 16 is opened in casing 6
Beginning back and forth movement, earthworm excrement and earthworm are scraped off by sludge scraper component in the lump during back and forth movement, in some instances it may even be possible to water occur
Flat scraper plate cuts away the situation of earthworm, causes substantial amounts of earthworm dead.The work that earthworm and earthworm excrement are separated is time-consuming, although
There are many processing methods in report, but efficiency is not high.The present invention only wipes earthworm excrement off to reach, keeps the purpose of earthworm here,
Take following working method：By 15~20 days, after the complete sludge of dealing with earthworm, add new a collection of 15 again in casing 6~
Mud mixture after 20cm.Now, the thickness of sludge and earthworm excrement is added up in 30~35cm or so in casing 6.Earthworm smells
Feel very sensitive, gradually climb in new sludge blanket, in order to be further ensured that earthworm climbs to upper strata, open wind regime and wait 1.0~
2.0 hours, because earthworm likes quiet environment, earthworm will be far from bottom and be transferred to new sludge blanket region.Now, open convex
The driving cam 10 of wheel drive motor 11 rotates, and cam 10 carries out back and forth movement process by the driving sludge scraper component of connecting rod 9
In, gradually the sludge (earthworm excrement) handled is scraped off, until all sludge (earthworm excrement) handled have been scraped.Due to scraper plate rail
The presence in road 8, ensure that sludge scraper component is run by the track of design.Earthworm excrement is all collected in belt by earthworm dustpan 3
On conveyer 1, finally see off to earthworm excrement collecting region., it is necessary to be important to note that earthworm in using dealing with earthworm sludge process
There is the habit of the different halls of grandparent and grandchild, such as aperiodically redistribute earthworm, can also cause the situation of inbred so that population moves back
Change, influence Treatment of Sludge effect.The earthworm excrement finally given by dealing with earthworm sludge is splendid fertilizer.Therefore, the above
It is sludge reduction, stabilisation, innoxious, recycling process using the whole process of dealing with earthworm sludge.
Claims (8)
1. a kind of device of dealing with earthworm sludge, it is characterised in that including support frame (2), casing (6), sludge scraper component and
Scraper driving device, wherein casing (6) are arranged on support frame (2), and the surrounding of casing (6) is densely covered with passage (7), described
The bottom plate (4) of casing (6) is network structure, and the sludge scraper component is arranged at the inside bottom of casing (6), the sludge scraping
Board component is connected with positioned at the outside scraper driving device of casing (6), and past by the driving of the scraper driving device
Motion is returned, so as to promote the sludge of casing (6) bottom to be spilt from the mesh of the bottom plate (4)；
The device of the dealing with earthworm sludge further comprises earthworm dustpan (3) and belt conveyor (1), and the earthworm dustpan (3) sets
Be placed in the bottom outside of casing (6), the belt conveyor (1) is arranged at the lower section of the earthworm dustpan (3), for receive and it is defeated
Send the earthworm excrement spilt by the earthworm dustpan (3)；
The side of the casing (6) is provided with multiple airducts (5), and one end of each airduct (5) is inserted in the casing (6), the bottom of close to
Multiple air ports directed downwardly are provided with the position in portion, the airduct (5) vertically, the other end of the airduct (5) is connected with wind regime.
2. the device of the dealing with earthworm sludge as described in claim 1, it is characterised in that in the opposing sidewalls of the casing (6)
Provided with scraper plate track (8), the both sides of the sludge scraper component are slidably connected with two scraper plate tracks (8), the belt
The conveying direction of conveyer (1) is parallel with the direction of motion of the sludge scraper component.
3. the device of the dealing with earthworm sludge as described in claim 1, it is characterised in that the sludge scraper component includes level
Multiple water are interval with successively on scraper plate (12), vertical scraper plate (14) and scraper plate connecting plate (16), its middle scraper connecting plate (16)
On flat scraper plate (12), each grader leveling blade (12) vertical scraper plate (14), and the two ends of each grader leveling blade (12) are equipped with close to two ends
End is pointed end (13), and the both sides of the scraper plate connecting plate (16) are slidably connected with the scraper plate track (8) respectively, described
One end of scraper plate connecting plate (16) is connected with the scraper driving device.
4. the device of the dealing with earthworm sludge as described in claim 1, it is characterised in that the scraper driving device includes cam
Motor (11), cam (10), connecting rod (9) and roller (15), wherein one end of connecting rod (9) and the sludge scraper plate group
Part is connected, and the other end is rotatablely equipped with roller (15), and the actuated by cams motor (11) is arranged on support frame as described above (2), and
The cam (10) is connected with output shaft, the cam (10) is connected with the roller (15).
5. the device of the dealing with earthworm sludge as described in claim 4, it is characterised in that the actuated by cams motor (11) it is defeated
Shaft be vertically arranged and with the diameter parallel of the roller (15).
6. a kind of method that utilization claim 5 described device handles sludge, it is characterised in that this method includes following step
Suddenly：
1) sludge of 15~20cm thickness is first added in casing (6), then earthworm is added to the casing (6) equipped with sludge Nei,
Earthworm carries out the processing of sludge in casing (6), and processing time is 15~20 days；
2) after 15~20 days, 15~20cm sludge is added in the casing (6) again, wind regime is opened, by airduct (5) to case
The bottom blast of body (6), the earthworm in casing (6) bottom that innervates leaves bottom-up layer transfer；
3) opening cam motor (11), actuated by cams motor (11) band moving cam (10) rotation, the cam (10)
Sludge scraper component back and forth movement, the sludge scraper component promotion processing of back and forth movement are promoted by the roller (15) being in contact with it
Good sludge is spilt from the mesh of casing (6) bottom, and is fallen on by earthworm dustpan (3) on the belt conveyor (1) of lower section, is entered
Row conveying.
7. the method as described in claim 6, it is characterised in that the step 1) and 2) in, further added in the sludge
One or more in leaf, stalk, weeds or wood chip, and mixed with sludge, form mud mixture.
8. the method as described in claim 7, it is characterised in that the step 1) in, successively addition sludge is mixed in casing (6)
After compound and earthworm, 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 CN105174673A (en) | 2015-12-23 |
| CN105174673B true CN105174673B (en) | 2017-11-03 |
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ID=54897212
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510633189.2A Active CN105174673B (en) | 2015-09-29 | 2015-09-29 | A kind of device and method of dealing with earthworm sludge |
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| CN (1) | CN105174673B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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 |
-
2015
- 2015-09-29 CN CN201510633189.2A patent/CN105174673B/en active Active
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 |
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| Publication number | Publication date |
|---|---|
| CN105174673A (en) | 2015-12-23 |
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