CN206502727U - One kind dehydration excess sludge anaerobic digestion integrated equipment - Google Patents
One kind dehydration excess sludge anaerobic digestion integrated equipment Download PDFInfo
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- CN206502727U CN206502727U CN201621224589.4U CN201621224589U CN206502727U CN 206502727 U CN206502727 U CN 206502727U CN 201621224589 U CN201621224589 U CN 201621224589U CN 206502727 U CN206502727 U CN 206502727U
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Abstract
Excess sludge anaerobic digestion integrated equipment is dehydrated the utility model discloses one kind, it is characterized in that, including device housings and the hydrolysis unit, dewatering unit and the anaerobic digestion unit that are arranged in device housings, the dewatering unit is located at the lower section of hydrolysis unit, and anaerobic digestion unit is arranged on the side of hydrolysis unit and dewatering unit.The utility model designs sludge hydrolytic, three units of dehydration and anaerobic digestion the different parts in same equipment, novel in structural design, planning is reasonable, occupation area of equipment is small, capacity utilization is high, energy consumption is low, and operation is simple and reliable, stable, can be added by temperature, pH value, conditioning agent etc. and targetedly each unit to be adjusted control, efficiently increase each unit specificity microorganism activity, can be greatly improved the anaerobic sludge digestion efficiency of integrated artistic.
Description
Technical field
The utility model belongs to environmental technology field, and in particular to technical field of sludge treatment.
Background technology
The sludge produced in water treatment procedure contains substantial amounts of poisonous and harmful substance and malignant bacteria, if cannot be reasonable
Deal carefully with disposal can bring serious environmental problem.In recent years, for sludge minimizing, innoxious and recycling are paid attention to
Degree is improved constantly, and the processing disposal rate of sludge is significantly improved, but still has greatly improved space.Anaerobic digestion skill
Art be by《Urban wastewater treatment firm specific resistance to filtration technical manual (tentative)》、《Urban wastewater treatment firm specific resistance to filtration
And pollution prevention technique policy (tentative)》The urban wastewater treatment firm Treatment of Sludge suggestion encouraged Deng relevant policies file in recent years
Technology, but sludge of the current whole nation Jing Guo Anaerobic Treatment is less than 2%.On the other hand, conventional anaerobic digestion processing moisture percentage in sewage sludge is past
Toward more than 95%, floor space is big, using the excess sludge after dehydration（High solid content）Unit soil can be improved by carrying out anaerobic digestion
The utilization rate of ground area, but also face problems.
Liu Jibao etc. has found that microwave, hydrogen peroxide and alkali collaboration processing excess sludge can reinforced anaerobic digestion productions under study for action
Methane effect（Liu Jibao etc., microwave and combinations thereof process strengthening anaerobic sludge digestion research environmental sciences, 2014 (09):
The 3455-3460 pages）.High Ruili have studied influence of the different pretreatments method to excess sludge anaerobic digestion methane production, find
Enzyme process pretreatment gas production rate is maximum, and heat treatment cumulative gas is most, methane accounting highest after Microwave Pretreatment（High Ruili
Deng, influence food of the different pretreatments method to excess sludge anaerobic digestion methane production process and biotechnology journal,
2009(01):The 107-112 pages）.
The patent of invention of Application No. 201510003850.1 destroys microorganism wall to promote by adding copper sulphate
Anaerobic digestion speed, but copper sulphate is heavy metal in itself, although utility model is mentioned unnecessary sulphur using the method eluriated
Sour copper is removed, but this method copper ion is eluriated clean defining and more bothered, and cost is higher, actual to implement inconvenience.Application number
201510736760.3 patent of invention discloses a kind of socket type anaerobic reaction device, and the socket type device includes inner cylinder, outer
Cylinder, water-distributing device and two three separators, realize and hydrolysis acidification and anaerobic methane production process are completed in a reactor,
But the device lacks the transport and stirring design for dehydration excess sludge, it is impossible to which the anaerobism applied to dehydration excess sludge disappears
Change handling process.The utility model of Application No. 201520688753.6 discloses a kind of sludge anaerobic installation for fermenting, the device
Including tank body, charging aperture, discharging opening, gas outlet, agitating shaft, heat-insulation layer, its agitating shaft has heating function, jointly real with heat-insulation layer
The temperature control function of existing reactor, but the apparatus structure is single, it is impossible to sludge is hydrolyzed and methane phase is distinguished, sludge
Anaerobic digestion effect is poor.
Utility model content
Technical purpose of the present utility model is, stability low for existing dehydration excess sludge anaerobic digestion device efficiency
There is provided a kind of efficient, inexpensive, easy-operating dehydration excess sludge anaerobic digestion integrated equipment, its technical side for the shortcoming of difference
Case is：
One kind dehydration excess sludge anaerobic digestion integrated equipment, it is characterised in that including device housings and being arranged on
Hydrolysis unit, dewatering unit and anaerobic digestion unit in standby shell, the dewatering unit are located at the lower section of hydrolysis unit, anaerobism
Digestion unit is arranged on the side of hydrolysis unit and dewatering unit：
The hydrolysis unit is a tubular reaction vessel, and the top of the hydrolysis unit is provided with the stretching device housings
First charging aperture, hydrolysis unit bottom, which is provided with the first discharging opening, hydrolysis unit, is provided with rabbling mechanism, and hydrolysis unit outer layer is provided with
First temperature control layer；
The dewatering unit is provided with multiple rotary drums and a plurality of closed circuit strainer bypassed from corresponding rotary drum, a plurality of strainer
In, wherein a strainer is provided with the feed end below first discharging opening and puts in the discharge end of anaerobic digestion unit；
In the multiple rotary drum, including it is more than one have multilayer strainer in the rotary drum fitted on its surface, under rotary drum drive, fall
The sludge of the feed end is passed through from the multilayer strainer fit together, is carried out by the extruding of strainer after press filtration, then convey
To the discharge end, dewatering unit bottom is provided with the first drainpipe；
Rabbling mechanism and temperature measuring equipment are provided with the anaerobic digestion unit, anaerobic digestion unit outer layer is provided with second
Temperature control layer, second charging aperture, chemical feed pipe and airway tube of the top provided with water distributor and extending equipment shell of anaerobic digestion unit,
The chemical feed pipe is connected with water distributor, and the bottom of anaerobic digestion unit is provided with mud discharging mouth and the second drainpipe；
Skimming baffle, the skimming baffle bag are provided with the intersection of hydrolysis unit, dewatering unit and anaerobic digestion unit
The swash plate being arranged between hydrolysis unit and dewatering unit, the riser being arranged between dewatering unit and anaerobic digestion unit are included,
The high-end of the swash plate connects with riser, and swash plate low side is located at the top of the first strainer feed end.
On the basis of such scheme, further improve or preferred scheme also includes：
Strainer and multiple rotary drums provided with three closed circuits in the dewatering unit, the multiple rotary drum include first
Rotary drum and the second rotary drum below the first rotary drum；In three strainers, the second strainer is located at the outer of the first strainer closed circuit
Portion, the 3rd strainer sets the inside of the second strainer closed circuit, and first strainer is provided with below first discharging opening
Feed end and put in the discharge end of anaerobic digestion unit, first rotary drum is located at the inner side of the first strainer closed circuit, the
Two rotary drums be located at the second strainer closed circuit inner side, first strainer, the second strainer from the first rotary drum, the second rotary drum according to
It is secondary to bypass, one section of laminating section is formed, the 3rd strainer is also bypassed from the first rotary drum, is pressed in the first strainer and the second strainer
On, the sludge of feed end is passed through in the middle of the laminating section to be carried out after press filtration, then is transported to the discharge end.
The angle of the swash plate and riser is preferably controlled in 45 °~60 °.
The hydrolysis unit is preferred to use the cylindric reaction vessel of laterally setting.
Rabbling mechanism in the hydrolysis unit by a central rotating shaft and be distributed on around central rotating shaft multiple stir plate structure
Into the rabbling mechanism in the anaerobic digestion unit is preferred to use helix(ribbon type) agitator.
The operation method of excess sludge anaerobic digestion integrated equipment is dehydrated as described above, including：
By excess sludge, PAM（Non-ionic high polymer coagulant）, hydrolysis seed sludge put into from the first charging aperture
In the tubular reaction vessel of hydrolysis unit, start the rabbling mechanism stirring sludge of tubular reaction vessel, adjusted by the first temperature control layer
The temperature of hydrolysis unit is saved, sludge is hydrolyzed at a suitable temperature；
After the completion of sludge hydrolytic, start the rotary drum of dewatering unit, open the first discharging opening, sludge is fallen into dewatering unit filter
The feed end of band, carries out press filtration, filtrate is discharged from the first drainpipe, and the sludge after dehydration is sent by the strainer of laminating to sludge
Enter anaerobic digestion unit；
Anaerobism seed sludge and solid-state pharmacy are put into anaerobic digestion unit by second charging aperture, pass through the dosing
Pipe and water distributor apply liquid pharmaceutical or water into anaerobic digestion unit, are surveyed by the temperature measuring equipment and the second temperature control layer
The reaction temperature of anaerobic digestion unit is measured and adjusts, the digestion aerogenesis of anaerobic digestion unit everywhere, is digested by the airway tube
Liquid is discharged by second drainpipe, and the upper strata sludge of anaerobic digestion unit is back to dewatering unit by the swash plate,
During being somebody's turn to do, anaerobic digestion unit moisture content is of a relatively high, realizes that moisture content declines by being partly refluxed to dewatering unit dehydration,
It is back to again by the conveying of strainer after anaerobic digestion unit and increases moisture content raising mass-transfer efficiency, so as to realizes the integrated equipment
Internal drying and watering cycle, it is ensured that increase the capacity utilization of equipment while treatment effect again.
Preferably, the mud extraction solid content of the dewatering unit is controlled 14%~16%, in anaerobic digestion unit, by dirt
Mud solid content is adjusted to 8%~12%.
Preferably, input amount the adding for 20%~30%, PAM of hydrolysis unit total measurement (volume) of the hydrolysis seed sludge
Measure as the 0.5%~1% of excess sludge addition, hydrolytic process temperature control is 38 DEG C~42 DEG C, and pH is controlled 6~7, and sludge stops
It is 0.5~1 d to stay the time.
Putting into the solid-state pharmacy of the anaerobic digestion unit includes reinforcing medicament, and the reinforcing medicament is preferred to use trehalose
Fat.
The seed sludge amount of the anaerobic digestion unit is the 20%~30% of anaerobic digestion unit total measurement (volume), and marine alga glycolipid is strong
It is that, per the g of L sludge 1~5, temperature control is 33 DEG C~36 DEG C to change added amount of chemical, and pH controls are 6~8, and sludge retention time is
The d of 15 d~20.
The anaerobic digestion link of sludge is divided into hydrolysis, dehydration and methane phase three phases by the utility model, can be combined not
Same temperature control strategy and whipping process, targetedly improves the operating efficiency of each unit, while by anaerobic digestion list
The dry and wet batch fermentation of sludge can be achieved in first sludge conditioning and combination dehydration, and then improves capacity utilization and the dirt of integral device
Mud anaerobic digestion efficiency.
Beneficial effect：
（1）The utility model is by sludge hydrolytic, three unit designs of dehydration and anaerobic digestion in the different portions of same equipment
Position, novel in structural design, planning is reasonable, and occupation area of equipment is small, and energy consumption is low, and operation is simple and reliable, stable, can lead to
Excess temperature, pH value, conditioning agent, which are added etc., targetedly each unit is adjusted control, efficiently the micro- life of increase each unit specificity
Thing activity, is greatly improved the anaerobic sludge digestion efficiency of integrated artistic.
（2）The utility model is adjusted by the alternation of wetting and drying of dewatering unit and anaerobic digestion unit moisture content, can both be carried
High volume of equipment utilization rate, can ensure the mass-transfer efficiency of anaerobic digestion section again.Further pass through biological reinforced medicament simultaneously
Add, can stablize and improve methane production.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the utility model one.
Embodiment
In order to further elucidate scheme of the present utility model and technical principle, below in conjunction with the accompanying drawings with specific embodiment to this
Utility model is described further.
A kind of dehydration excess sludge anaerobic digestion integrated equipment as shown in Figure 1, including device housings and be arranged on
Hydrolysis unit A, dewatering unit B and anaerobic digestion unit C in standby shell（That is methane phase unit）Deng part.The dehydration
Unit B is located at hydrolysis unit A lower section, and anaerobic digestion unit C is arranged on hydrolysis unit A and dewatering unit B right side.
The hydrolysis unit A is a cylindric reaction vessel laterally set, and hydrolysis unit A top is described provided with stretching out
The first charging aperture 1 of device housings, hydrolysis unit A bottoms, which are provided with the first discharging opening 5, hydrolysis unit, is provided with rabbling mechanism 3, institute
State rabbling mechanism 3 to be made up of a central rotating shaft and the multiple plates that stir being distributed on around central rotating shaft, its cross section is in " rice " font,
Hydrolysis unit outer layer is provided with the first temperature control layer 2, and the first temperature control layer 2 is interior to be provided with temperature-adjusting device.
Strainer and multiple rotary drums provided with three closed circuits in the dewatering unit, the multiple rotary drum include first
Rotary drum 7 and the second rotary drum 8 positioned at the lower section of the first rotary drum 7.In three strainers, the second strainer is located at the first strainer closed circuit
Outside, the 3rd strainer sets the inside of the second strainer closed circuit, and first rotary drum 7 is located at the interior of the first strainer closed circuit
Side, the second rotary drum is located at the inner side of the second strainer closed circuit.First strainer, the second strainer from the first rotary drum 7, second turn
Bypassed successively on drum 8, form one section of laminating section, the 3rd strainer is also bypassed from the first rotary drum 7, by the first strainer and second
Strainer presses to the direction of the first rotary drum 7, to increase fitted on press filtration pressure, i.e. the first rotary drum 7 three metafiltration bands, the second rotary drum 8
On fitted two layers of strainer.First strainer, which is provided with the feed end in the lower section of the first discharging opening 5 and puts in anaerobism, to disappear
Change the discharge end of unit, the inner side of the first strainer closed circuit is also additionally provided with three small turn in addition to the first rotary drum 7
Drum, one of them small rotary drum is arranged in anaerobic digestion unit, constitutes the discharge end, and the sludge of the first strainer feed end is from institute
The centre for stating first, second strainer laminating section is passed through, and is carried out after press filtration, then is transported to the discharge end, and dewatering unit bottom is set
There is the first drainpipe 9 for collecting filtrate.
The first helix(ribbon type) agitator 16, the second helix(ribbon type) agitator 18 and TEMP are provided with the anaerobic digestion unit
Device 15, first helix(ribbon type) agitator 16 is connected with the clutch end of the first motor 17, the second helix(ribbon type) agitator 18 with
The clutch end connection of first motor 19.Anaerobic digestion unit outer layer is provided with the second temperature control layer 10, the temperature control layer 10 and set
Have a temperature-adjusting device, second charging aperture 11 of the top provided with water distributor 12 and extending equipment shell of anaerobic digestion unit plus
Pencil 12 and airway tube 14, the chemical feed pipe 12 are connected with water distributor 13, and the bottom of anaerobic digestion unit is provided with the He of mud discharging mouth 20
Second drainpipe 21.
Skimming baffle 4 is provided with the intersection of hydrolysis unit, dewatering unit and anaerobic digestion unit, functional unit can be achieved
Distinguish, while by the sludge reflux of the relatively low solid content in anaerobic digestion unit upper strata to dewatering unit.The skimming baffle 4 includes setting
The swash plate between hydrolysis unit and dewatering unit, the riser being arranged between dewatering unit and anaerobic digestion unit are put, with perpendicular
Vertical plane where plate is boundary, and right side is the cavity volume of anaerobic digestion unit, and the high-end of the swash plate connects with riser, swash plate low side position
In the top of the first strainer feed end, the angle of swash plate and riser is generally 45 °~60 °.
The operation method of equipment as described above：
Embodiment one, using certain excess sludge of municipal sewage plant, operation is realized according to the following steps：
（One）The g/L of concentration of suspended particles about 15 thickened sludge is taken as inoculation from certain pharmacy sewage treatment plant anaerobic tower
Sludge.Pending mud is sewage treatment plant's biological tank dehydration excess sludge, moisture content 87%.
（Two）Dehydration excess sludge is added in hydrolysis unit A by first charging aperture 1, dosage is that hydrolysis unit is total
The 80% of volume, while adding the PAM of excess sludge gross mass 0.5%, remaining space fills up seed sludge, passes through the first temperature control layer
2 keep the temperature in hydrolysis unit to be 38 DEG C~42 DEG C, by pH controls 6~7, open the stirring sludge of rabbling mechanism 3, hydrolysis
Time control is discharged by the first drainpipe 9 and collected in 0.5 d, filtrate.
（Three）After hydrolysis terminates, start the rotary drum of dewatering unit, open hydrolysis unit A the first discharging opening 5, make hydrolysis dirty
Mud slowly falls the feed end in the strainers of dewatering unit B first, after press filtration, and sludge is transported in anaerobic digestion unit C, and dehydration is single
The mud extraction solid content of member is controlled 14%~16%.Seed sludge is added into sludge digestion unit C simultaneously, the seed sludge added
Measure as the 20% of sludge digestion unit total measurement (volume).Water and alkali lye, conditioning of mud solid content are added by chemical feed pipe 12 and water distributor 13
It is 6~8 for 8%~12%, pH, temperature adjustment is 33 DEG C~36 DEG C.The g/L of marine alga glycolipid 1 is added by chemical feed pipe 12（Sludge）,
By the spoil disposal of mud discharging mouth 20, it is 15d to control anaerobic digestion unit C sludge retention times.Produce the gases such as methane and pass through air guide
The export of pipe 14 is collected, and digestive juice collects processing in addition by the discharge of the second drainpipe 21.
Equipment stable operation, daily output tolerance 520 mL/L（Anaerobic digestion unit total measurement (volume)）, wherein methane content about 62%.
Embodiment 2：
The difference of the present embodiment and embodiment 1 is the residue that sludge is derived from after the dehydration of certain municipal sewage plant
Sludge, solid content 85%, hydrolysis acidification section thickened sludge of the seed sludge from the sewage treatment process, the thickened sludge it is outstanding
Floating particles concentration is 13g/L.
In the embodiment, PAM dosages are add the 1% of excess sludge quality in hydrolysis unit A, hydrolysis unit and are detested
The sludge seeding amount of oxygen digestion unit is the 30% of each unit total measurement (volume).Stop of the sludge in hydrolysis unit A, anaerobic digestion unit C
Time is respectively 1 d and 20 d.Dewatering unit B mud extraction solid content is 15%, in anaerobic digestion unit C, marine alga glycolipid dosage
For 5 g/L（Sludge）.
Equipment stable operation, average daily biogas output is 590 mL/L（Anaerobic digestion unit total measurement (volume)）, wherein methane content
About 59%.
Embodiment 3：
The difference of the present embodiment and embodiment 1 is that the residue that sludge is derived from after the dehydration of small towns sewage treatment plant is dirty
Mud, solid content 82%, anaerobism section thickened sludge of the seed sludge from the sewage treatment process, its concentration of suspended particles is 11 g/
L。
In the embodiment, in hydrolysis unit A PAM dosages for add excess sludge quality 0.8%, hydrolysis unit A and
Anaerobic digestion unit C sludge seeding amount is the 25% of each unit total measurement (volume).Sludge is in hydrolysis unit A and anaerobic digestion unit C
Residence time be respectively 0.6 d and 18 d.Dewatering unit B dehydrated sludges solid content is 16%, in anaerobic digestion unit C, sea
Algae glycolipid dosage is 3 g/L（Sludge）.
Equipment stable operation, average daily biogas output is 570 mL/L（Anaerobic digestion unit total measurement (volume)）, wherein methane content
About 60%.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, scope is claimed by appended claims, specification and its equivalent in the utility model
Define.
Claims (5)
1. one kind dehydration excess sludge anaerobic digestion integrated equipment, it is characterised in that including device housings and being arranged on equipment
Hydrolysis unit, dewatering unit and anaerobic digestion unit in shell, the dewatering unit are located at the lower section of hydrolysis unit, and anaerobism disappears
Change the side that unit is arranged on hydrolysis unit and dewatering unit：
The hydrolysis unit is the reaction vessel of a tubular, and the top of hydrolysis unit is entered provided with stretch out the device housings first
Material mouth（1）, the bottom of hydrolysis unit is provided with the first discharging opening（5）, hydrolysis unit is interior to be provided with rabbling mechanism, and hydrolysis unit outer layer is set
There is the first temperature control layer（2）；
The dewatering unit is provided with multiple rotary drums and a plurality of closed circuit strainer bypassed from corresponding rotary drum, a plurality of strainer,
Wherein one strainer, which is provided with, is in first discharging opening（5）The feed end of lower section and the discharge end for putting in anaerobic digestion unit；
In the multiple rotary drum, including it is more than one have multilayer strainer in the rotary drum fitted on its surface, under rotary drum drive, fall
The sludge of the feed end is passed through from the multilayer strainer fit together, is carried out by the extruding of strainer after press filtration, then convey
To the discharge end, dewatering unit bottom is provided with the first drainpipe（9）；
Rabbling mechanism and temperature measuring equipment are provided with the anaerobic digestion unit, anaerobic digestion unit outer layer is provided with the second temperature control
Layer（10）, the top of anaerobic digestion unit is provided with water distributor（13）With the second charging aperture of extending equipment shell（11）, chemical feed pipe
（12）And airway tube（14）, the chemical feed pipe（12）With water distributor（13）Connection, the bottom of anaerobic digestion unit is provided with mud discharging mouth
（20）With the second drainpipe（21）；
Skimming baffle is provided with the intersection of hydrolysis unit, dewatering unit and anaerobic digestion unit（4）, the skimming baffle（4）
Including be arranged between hydrolysis unit and dewatering unit swash plate, be arranged on it is perpendicular between dewatering unit and anaerobic digestion unit
Plate, the high-end of the swash plate connects with riser, and swash plate low side is located at the top of the first strainer feed end.
2. a kind of dehydration excess sludge anaerobic digestion integrated equipment according to claim 1, it is characterised in that：It is described de-
Strainer and multiple rotary drums provided with three closed circuits in water unit, the multiple rotary drum include the first rotary drum（7）With positioned at
First rotary drum（7）Second rotary drum of lower section（8）；In three strainers, the second strainer is located at the outside of the first strainer closed circuit, the
Three strainers set the inside of the second strainer closed circuit, and first strainer, which is provided with, is in first discharging opening（5）Lower section
Feed end and the discharge end for putting in anaerobic digestion unit, first rotary drum（7）Positioned at the inner side of the first strainer closed circuit,
Two rotary drums are located at the inner side of the second strainer closed circuit, and first strainer, the second strainer are from the first rotary drum（7）, the second rotary drum
（8）On bypass successively, formed one section laminating section, the 3rd strainer is also from the first rotary drum（7）On bypass, be pressed in the first strainer and
On second strainer, the sludge of feed end is passed through in the middle of the laminating section to be carried out after press filtration, then is transported to the discharge end.
3. a kind of dehydration excess sludge anaerobic digestion integrated equipment according to claim 1, it is characterised in that described oblique
The angle of plate and riser is 45~60 °.
4. a kind of dehydration excess sludge anaerobic digestion integrated equipment according to claim 1, it is characterised in that the water
The cylindric reaction vessel for solving unit laterally to set.
5. a kind of dehydration excess sludge anaerobic digestion integrated equipment according to claim 1, it is characterised in that the water
The rabbling mechanism of solution unit is made up of a central rotating shaft and the multiple plates that stir being distributed on around central rotating shaft, the anaerobic digestion list
Rabbling mechanism in member is helix(ribbon type) agitator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621224589.4U CN206502727U (en) | 2016-11-15 | 2016-11-15 | One kind dehydration excess sludge anaerobic digestion integrated equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621224589.4U CN206502727U (en) | 2016-11-15 | 2016-11-15 | One kind dehydration excess sludge anaerobic digestion integrated equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206502727U true CN206502727U (en) | 2017-09-19 |
Family
ID=59843829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621224589.4U Expired - Fee Related CN206502727U (en) | 2016-11-15 | 2016-11-15 | One kind dehydration excess sludge anaerobic digestion integrated equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206502727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630507A (en) * | 2016-11-15 | 2017-05-10 | 中国葛洲坝集团电力有限责任公司 | Dehydrated residual sludge anaerobic digestion integrated device and operation method thereof |
-
2016
- 2016-11-15 CN CN201621224589.4U patent/CN206502727U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630507A (en) * | 2016-11-15 | 2017-05-10 | 中国葛洲坝集团电力有限责任公司 | Dehydrated residual sludge anaerobic digestion integrated device and operation method thereof |
| CN106630507B (en) * | 2016-11-15 | 2023-05-02 | 南京绿新能源研究院有限公司 | Integrated equipment for anaerobic digestion of dehydrated excess sludge and operation method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210112 Address after: 210000 2nd floor, building 7, Huaqingyuan, No.100 Tianjiao Road, Qilin science and Technology Innovation Park, Nanjing, Jiangsu Province Patentee after: NANJING GREEN NEW ENERGY RESEARCH INSTITUTE Co.,Ltd. Address before: 443002 No. 23 Yanjiang Avenue, Yichang City, Hubei Province Patentee before: CHINA GEZHOUBA GROUP POWER Co.,Ltd. Patentee before: NANJING GREEN NEW ENERGY RESEARCH INSTITUTE Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 Termination date: 20211115 |