CN206692659U - A kind of cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion - Google Patents
A kind of cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion Download PDFInfo
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- CN206692659U CN206692659U CN201720345454.1U CN201720345454U CN206692659U CN 206692659 U CN206692659 U CN 206692659U CN 201720345454 U CN201720345454 U CN 201720345454U CN 206692659 U CN206692659 U CN 206692659U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The utility model belongs to fixed-end forces device field, discloses a kind of cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion.The reactor for producing acid phase with diphasic anaerobic digestion includes pretreatment unit, hydrolysis acidification region and the methane phase region being from top to bottom distributed；Grinder and heater are set in described pretreatment unit, and set feeding-passage to be connected with hydrolysis acidification region；Rotatable semi-enclosed roller reactor and heater are set in described hydrolysis acidification region, multilayer push type spiral agitator is set in roller reactor；Hydrolysis acidification region is separated by dividing plate and methane phase region, but sets mozzle to connect both；Heater is set in methane phase region.Reactor of the present utility model uses unitary design, and pretreatment, reaction fermentation, temperature control, gas collection turn into typical multifunctional equipment, it is possible to reduce the loss in material transfer process, each several part space is all utilized effectively in one.
Description
Technical field
The utility model belongs to fixed-end forces device field, and in particular to a kind of cities and towns solid waste TPAD production
Sour phase reaction device.
Background technology
Cities and towns solid waste refers to improve with the development and people's quality of life of industrialization of the country production, and caused useless
The biomass garbages such as sludge, garden garbage, kitchen garbage in thing, especially MSW, the cities and towns for turning into main are consolidated
Body waste.This kind of rubbish does not only take up large amount of land resources, also pollutes air, soil, water source, have impact on people and normally work
Life, while also jeopardized the health of people, if this kind of rubbish and crops, poultry contacts, it is easily caused disease biography
Broadcast.Recycling is realized to such waste, it is necessary to realize in order to realize the sustainable development of resource.
Anaerobic digestion refers in anaerobic environment, by organic matter decomposition and inversion is methane, two by multiple-microorganism flora
The process of carbonoxide, inorganic nutrients thing and humus.Due in the solid waste of cities and towns be rich in dissolved matter, cellulose, fat,
Organic matters such as protein, and moisture content is higher, therefore can realize recycling, minimizing and efficiently by anaerobic digestion techniques
Change.At present, the important topic that processing is domestic and international field of Environment Protection is carried out to cities and towns solid waste using anaerobic digestion techniques.
The constituent of cities and towns solid waste is complicated, and anaerobic digestion process is made up of two stages, and the first stage is hydrolysis
Acid phase is produced, that is, produces hydrogen, the macromolecular substances in the solid waste of cities and towns are converted into and can utilized by methanogen by acetogen
Small-molecule substance, such as acetic acid, propionic acid, valeric acid；Second stage is the methane phase stage, i.e., by the small molecule in hydrolysis acidification stage
Material is converted into methane., can be by anaerobic digestion according to hydrolysis acidification stage and methane phase stage whether in same reactor
It is divided into homogenous anaerobic digestion and TPAD.Because acid-producing bacteria and methanogen are in the side such as physiology, growing environment, nutrition
Face requires different, so being digested using homogenous anaerobic, system operation can be very unstable, it is difficult to independent control different phase it is micro-
The life condition of biological flora.And TPAD is then by production acid phase and the separation of methane phase stage in two independent regions
Carry out, acid-producing bacteria and methanogen is grown respectively under conditions of most suitable, be so advantageous to give full play to respective maximum effect
With improving the stability of anaerobic digester system.
For in general small-molecule substance, the hydrolysis acidification stage is easily realized, the methane phase stage is then as speed limit
Principal element, and for the cities and towns solid waste rich in biomass, hydrolysis production acid phase then turns into primary rate-limiting factor,
Hydrolysis produces sour effect by the reaction rate for directly affecting whole anaerobic digestion and follow-up gas generation property, therefore, exploitation height
Effect, low consumption, the acidogenic phase reactor of environmental protection are then as the core of anaerobic digestion techniques.
Design suitable for the acidogenic phase reactor of cities and towns solid waste TPAD, it is necessary to solve material mixing,
Temperature control, anti-corrosion such as are lengthened the life at many problems, at present less, the few in number small test of the domestic reactor for the stage
Device relies primarily on introduction, expensive.Therefore the sour phase reaction device of the engineering of the suitable China's cities and towns solid waste of exploitation, turns into
China handles the primary requirement of cities and towns solid waste.
Utility model content
In order to solve the shortcomings that above prior art and weak point, the purpose of this utility model is to provide a kind of cities and towns
Solid waste reactor for producing acid phase with diphasic anaerobic digestion.The reactor can realize the integration of anaerobic digestion flow, by by city
Town solid waste low consumption hydrolysis acidification, being provided for subsequent fermentation aerogenesis can be by small molecule that methanogen directly utilizes acid, most
The methane gas that can recycle of generation is obtained eventually, realizes the minimizing of urban biomass garbage, recycling, high efficiency.
The utility model purpose is achieved through the following technical solutions：
A kind of cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion, including the pretreatment dress being from top to bottom distributed
Put, hydrolysis acidification region and methane phase region；Grinder and heater are set in described pretreatment unit, and charging is set
Passage is connected with hydrolysis acidification region；Rotatable semi-enclosed roller reactor is set in described hydrolysis acidification region and added
Thermal, roller reactor is interior to set multilayer push type spiral agitator；Hydrolysis acidification region passes through dividing plate and methane phase region
Separate, but set mozzle to connect both；Heater is set in methane phase region.
Further, the top in the hydrolysis acidification region sets exhaust outlet, and gas flowmeter and company are set on exhaust outlet
It is connected to air collector.
Further, pH electrodes and oxidation-reduction electrode are set in the rotatable semi-enclosed roller reactor, are used for
PH and oxidation-reduction potential in monitoring reactor in real time.
Further, the semiclosed design that rotatably semi-enclosed roller reactor is top hollow out, bottom is closed,
It can play a part of flowing out acid solution by rotating, so as to control hydrolytic acidification time.
Further, the multilayer push type spiral agitator is connected by rotating shaft and the motor outside hydrolysis acidification region
Connect.
Further, the dividing plate is made up of not heat conduction, corrosion-resistant material.
Further, pH electrodes and oxidation-reduction electrode are provided with the methane phase region, for monitoring methane phase in real time
PH and oxidation-reduction potential in region.
Further, the methane phase area top sets exhaust outlet, and gas flowmeter is set on exhaust outlet and is connected to
Air collector.
Further, methane phase region bottom sets slag-drip opening.
Further, the reactor for producing acid phase with diphasic anaerobic digestion body outer wall and roller reactor are transparent material
It is made.
Further, control panel is set outside the reactor for producing acid phase with diphasic anaerobic digestion.Pre-processed for controlling
The rotating speed of grinder, the rotating speed of multilayer push type spiral agitator and direction, the temperature in each region and pH electrodes, oxygen in device
Change the reading of reducing electrode.
Compared with conventional anaerobic digestion reactor, reactor for producing acid phase with diphasic anaerobic digestion of the present utility model has as follows
Advantage and beneficial effect：
(1) reactor of the present utility model uses unitary design, and pretreatment, reaction fermentation, temperature control, gas collection are in one
Body, turn into typical multifunctional equipment, it is possible to reduce the loss in material transfer process, the equipment each several part space are obtained for
Effectively utilize.
(2) the utility model realizes the low-consumption high-efficiency operation of reactor.It is pusher using the less horizontal multi-layer of flow resistance
Spiral agitator, it can be ensured that the larger biomass garbage of viscosity is sufficiently mixed under conditions of low energy consumption, improves reactant
Contact area, improve reaction rate.
(3) the utility model realizes the control to hydrolytic acidification time.It is anti-by rotating rotatable semi-enclosed roller
The time of residence time, i.e. hydrolysis acidification of the device control acid solution in roller are answered, by taking liquid to monitor volatile fatty acid in real time,
Control hydrolysis acidification time, can effectively save the time, be also possible to prevent hydrolytic acidification time it is long caused by small molecule
The loss of material.
(4) the utility model realizes real-time monitoring.By producing pH electrode and redox of the acid mutually and in methanogenic phase
Electrode can realize the real-time monitoring to course of reaction, be easy to the factor of the anaerobic digestion reaction of the influence such as adjustment pH, temperature in time,
Be advantageous to improve methane production.
(5) reactor of the present utility model has good environmental protection characteristic.The reactor is in processing cities and towns solid waste
During, because whole device is closed structure, secondary pollution will not be caused to environment.
Brief description of the drawings
Fig. 1 is the structural representation of reactor for producing acid phase with diphasic anaerobic digestion described in the utility model embodiment.
Embodiment
The utility model is described in further detail with reference to embodiment and accompanying drawing, but implementation of the present utility model
Mode not limited to this.
Embodiment 1
A kind of cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion of the present embodiment, its structural representation such as Fig. 1
It is shown.The device is made up of pretreatment unit 1, hydrolysis acidification region 5 and the methane phase region 19 being from top to bottom distributed；Described
Grinder 2 and heater 3 are set in pretreatment unit 1, and set feeding-passage 4 to be connected with hydrolysis acidification region 5；It is described
Hydrolysis acidification region 5 in rotatable semi-enclosed roller reactor 6 and heater 15 are set, set in roller reactor 6
Multilayer push type spiral agitator 8, hydrolysis acidification region 5 is separated by dividing plate 16 and methane phase region 19, but sets water conservancy diversion
Pipe 17 connects both；Heater 20 is set in methane phase region.
Reactor body is substantially in rectangular-shape, and top is two pretreatment units 1, and pretreatment unit is substantially in cylinder
Shape, it is made of stainless steel；Middle part is hydrolysis acidification region 5, and bottom is methane phase region 19, hydrolysis acidification region 5 and production first
The outer wall of alkane region 19 is made of clear material, and operating personnel can monitor the response situation in reactor in real time.
Semi-enclosed roller reactor 6 in the hydrolysis acidification region 5 is made up of transparent material, multilayer push type spiral
Agitator 8 can be used for being stirred material, and the rotating shaft 7 at middle part plays support and rotary action, the semi-enclosed top of roller reactor 6
The pattern of hollow out 28 is designed to, bottom is closed, can play a part of flowing out acid solution by rotating shaft 7, so as to control water
Solve acidificatoin time；PH electrodes 9 and oxidation-reduction electrode 10 in roller reactor 6 can be used in monitoring reactor in real time
PH and oxidation-reduction potential；Gas caused by the region can measure gas flow by exhaust outlet 12 by gas flowmeter 13, then
It is collected by air collector 14, prevents gas build；Then it is used to export acid solution, water conservancy diversion positioned at the mozzle 17 of the sections bottom
Valve 18 on pipeline can control the outflow of acid solution.
The multilayer push type spiral agitator 8 is connected by rotating shaft 7 with the motor 11 outside hydrolysis acidification region 5,
Being turned on and off for multilayer push type spiral agitator 8 can be controlled by motor 11, while can also be controlled by control panel 24
The direction of stirring and mixing speed.
Methane phase region 19 is connected by mozzle 17 with hydrolysis acidification region 5, from acid solution and the production first of mozzle outflow
The substrate contact in alkane region 19, carries out the reaction of methanogenic phase, and the independent control regional temperature is can reach by heater 20
Purpose；PH electrodes 21 and oxidation-reduction electrode 22 positioned at the bottom of methane phase region 19 can be used for monitoring methane phase region in real time
In pH and oxidation-reduction potential；Gas caused by the region can measure gas stream by exhaust outlet 25 by gas flowmeter 26
Amount, then be collected by air collector 27.Residue caused by reaction is discharged by slag-drip opening 23.Control outside reactor
Panel 24 can control rotating speed, the rotating speed and direction, water of multilayer push type spiral agitator 8 that device 2 is smashed in pretreatment unit
Solve the temperature of acidized area and methane phase region and check pH electrodes 9, oxidation-reduction electrode 10, pH electrodes 21, redox
The reading of electrode 22.
Above-described embodiment is the preferable embodiment of the utility model, but embodiment of the present utility model is not by above-mentioned
The limitation of embodiment, it is other it is any without departing from Spirit Essence of the present utility model with made under principle change, modify, replace
Generation, combination, simplify, should be equivalent substitute mode, be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion, it is characterised in that：The TPAD production Sour phase reaction device includes pretreatment unit, hydrolysis acidification region and the methane phase region being from top to bottom distributed；Described pretreatment Grinder and heater are set in device, and set feeding-passage to be connected with hydrolysis acidification region；Described hydrolysis acidification Rotatable semi-enclosed roller reactor and heater are set in region, set multilayer push type spiral to stir in roller reactor Mix device；Hydrolysis acidification region is separated by dividing plate and methane phase region, but sets mozzle to connect both；Methane phase region Interior setting heater.
- A kind of 2. cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion according to claim 1, it is characterised in that： The top in the hydrolysis acidification region sets exhaust outlet, sets gas flowmeter on exhaust outlet and is connected to air collector.
- A kind of 3. cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion according to claim 1, it is characterised in that： PH electrodes and oxidation-reduction electrode are set in the rotatable semi-enclosed roller reactor.
- A kind of 4. cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion according to claim 1, it is characterised in that： The rotatable semi-enclosed roller reactor is top hollow out, the semiclosed design of bottom closing.
- A kind of 5. cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion according to claim 1, it is characterised in that： The multilayer push type spiral agitator passes through rotating shaft and the motor connection outside hydrolysis acidification region.
- A kind of 6. cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion according to claim 1, it is characterised in that： The dividing plate is made up of not heat conduction, corrosion-resistant material.
- A kind of 7. cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion according to claim 1, it is characterised in that： PH electrodes and oxidation-reduction electrode are provided with the methane phase region.
- A kind of 8. cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion according to claim 1, it is characterised in that： The methane phase area top sets exhaust outlet, sets gas flowmeter on exhaust outlet and is connected to air collector；The methane phase Region bottom sets slag-drip opening.
- A kind of 9. cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion according to claim 1, it is characterised in that： The reactor for producing acid phase with diphasic anaerobic digestion body outer wall and roller reactor are made of clear material.
- 10. a kind of cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion according to claim 1, its feature exist In：Control panel is set outside the reactor for producing acid phase with diphasic anaerobic digestion.
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| CN201720345454.1U CN206692659U (en) | 2017-04-05 | 2017-04-05 | A kind of cities and towns solid waste reactor for producing acid phase with diphasic anaerobic digestion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109321444A (en) * | 2018-11-01 | 2019-02-12 | 重庆大学 | The method and biofilm reactor of two step anaerobic fermentation preparing hydrogen alkane gas of streaming drop |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109321444A (en) * | 2018-11-01 | 2019-02-12 | 重庆大学 | The method and biofilm reactor of two step anaerobic fermentation preparing hydrogen alkane gas of streaming drop |
| CN109321444B (en) * | 2018-11-01 | 2021-03-23 | 重庆大学 | Method for preparing hydrogen alkane gas by down-flow two-step anaerobic fermentation and biofilm reactor |
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