CN206065002U - Hydrothermal treatment consists and solid-liquid separation integrated device - Google Patents

Abstract

This utility model is related to biomass processes field, and disclose a kind of hydrothermal treatment consists and solid-liquid separation integrated device, including sealable tank body, tank body is equipped with heater, feed arrangement, air bleeding valve are provided with tank body, inner core rotatable relative to tank body is installed in tank body, inner core has water penetration and doubles as solid-liquid separation part, on tank body, is accordingly respectively arranged with liquid discharging device, solid residue drawing mechanism.This utility model is placed in the tank body of hydro-thermal reaction with rotatable water penetration inner core, integrates heating, stirring, three kinds of functions of solid-liquid separation, it is easy to accomplish automatically control, the biomass such as changing food waste can be divided into two parts：A part is the no longer easy low solid of the smelly and moisture content of corruption, and another part is rich in Organic substance and the liquid that is readily delivered, and the material after process can meet the use of subsequent anaerobic digestion system；Floor space is little, maintenance is simple, investment is saved.

Description

Hydrothermal treatment consists and solid-liquid separation integrated device

Technical field

This utility model is related to the processing equipment that a kind of solid waste containing biomass is particularly changing food waste.

Background technology

Changing food waste refers to the produced food garbage in daily business and life process of restaurant unit and family, is One of key component of cities and towns organic waste, its complicated component, including edible oil, vegetable, peel, dried small shrimps, bone etc., Additionally including inorganic matters such as the tablewares, crackle ware piece, silt particle being mixed on a small quantity.Changing food waste is with starch, dietary fiber class, albumen The Organic substances such as matter, lipid are main component, while also include inorganic salts, with high oils and fatss, high salinity, high-moisture, Gao You The features such as machine matter content and perishable smelly, easy acidifying, easily biological-degradable.

Anaerobic digestion of kitchen wastes is one of its innoxious, minimizing, the effective way of recycling treatment, not only can be made Organic matter degradation is removed, while the biogas of recoverable can be produced, therefore becomes one of prevailing technology of changing food waste process. And before anaerobic digestion of kitchen wastes, need to be by the inorganic matters in kitchen（Such as ferrum spoon, crackle ware piece, silt particle etc.）, scum silica frost（Such as plastics Bag, towel bar, light fibre etc.）Remove, in case mud and sand silting, scum silica frost knot lid, affects the stable operation of digestive system, meanwhile, Due to containing the substantial amounts of block organic matter with cell as ultimate unit in changing food waste, such as cube meat, plant roots stem and leaf etc., directly The response time carried out required for anaerobic digestion is very long, generally requires 20 ~ 30 round the clock, and reason is deposited with cell and colloidal state Organic matter hydrolytic process it is very slow, this causes anaerobic digestion reaction vessel cost and floor space all larger.In addition, straight The organic matter transformation rate for connecing anaerobic digestion is not high enough, and final excess sludge is still dehydrated difficulty.

Under uniform temperature and pressure（It is not less than water saturation vapour pressure）Hydrothermal treatment consists are carried out to changing food waste, can be broken The cellularity and colloid form of bad biomass, so as to significantly improve the dewatering of sludge, improves the table of Anaerobic Digestion It is existing.

At present, domestic changing food waste solid-liquid separation, stirring and hydrothermal device, hydrothermal device refer to biomass are immersed in water And be heated to uniform temperature and promote protein and carbohydrate to hydrolyze and be transferred to the device of liquid phase, typically it is solely Erect standby, technology chain is longer, and equipment, pipeline are more, safeguard complicated, energy consumption is higher, invests larger.Changing food waste solid-liquid separation is filled Put and squeezing process is carried out after mostly carrying out crushing to material, under high pressure, plastic bag and tuberses food debriss easily blocking screen Hole, causes plant maintenance frequently, operation inconvenience.And, current processing mode selects solid-liquid separation is carried out before hydro-thermal, larger Block organic matter is directly removed with inanimate matters such as plastic bags, causes follow-up anaerobic treatment biomass content to reduce, it is impossible to ensure The recycling of anaerobic treatment efficiency and biogas.

If hydrothermal treatment consists solid-liquid separation again is first carried out to biomass wastes such as changing food wastes, it is possible to biology therein Matter composition is transferred in liquid phase, so as to stabilized solid residue being obtained in follow-up hydrolytic process and being easy to biochemical treatment High concentration organic solution, and improve the biogas output of anaerobic treatment.

The content of the invention

To improve the utilization rate to biomass such as changing food wastes, technical problem to be solved in the utility model is to provide one Plant the hydrothermal treatment consists and solid-liquid separation integrated device for biomass pretreatment, collection hydro-thermal, stirring, three kinds of functions of solid-liquid separation In one, the material after process meets the use of subsequent anaerobic digestion system.

This utility model solves the technical scheme adopted by its technical problem：Hydrothermal treatment consists and solid-liquid separation integrated dress Put, including sealable tank body, tank body is equipped with heater, be provided with tank body in feed arrangement, air bleeding valve, tank body and install There is inner core rotatable relative to tank body, inner core has water penetration and doubles as solid-liquid separation part, is accordingly respectively provided with tank body There are liquid discharging device, solid residue drawing mechanism.The brief work process of the device is：Charging → closed hydrothermal treatment consists → solid-liquid Separate → discharging.Heater is used to heat processed material, after material enters into inner core, is heated a period of time and occurs Hydrolyze, inner core can be rotated and stir and promote uniform heating to reach the rolling to material in the process, and it is suitable that promotion is hydrolyzed Profit is carried out, and inner core has water penetration, and the liquid produced in hydrolytic process collects in tank base under gravity, can pass through liquid Body drawing mechanism is discharged, and solid residue is intercepted in inner core, and liquid discharges after completing and draining, and the residual residue in inner core is led to Cross the discharge of solid residue drawing mechanism.

The inner core can rotate around it axis Double-directional rotary, and the solid residue drawing mechanism is to be fixed on tank body and stretch Enter the solid residue discharge nozzle on inner core top, the feed arrangement is to be passed through inside inner core and its discharging is highly less than solid residue The feed pipe of the entry level of discharge nozzle, is connected with the inside of the barrel of inner core and can will process residue fixed guide by the rotation of inner core The material guide device of body residue discharge nozzle.The concrete structure of the material guide device refers to helical feed principle design.Above structure The lifting of material is realized using the rotation of inner core, inner core is easily solved and is rotated the interference problem with input and output material part arrangement. Material guide device coordinates the Double-directional rotary switching of inner core, further enhancing material stirring function.

The feed end of the solid residue discharge nozzle is provided with solid residue collecting tank, and solid residue collecting tank expands receipts Collection open area, facilitates guide, while reducing occupancy of the solid residue drawing mechanism to reaction compartment in inner core as much as possible.

The end face of the inner core offers the hole stretched into for feed pipe and solid residue discharge nozzle, and the hole is by being connected to Baffle plate closing on feed pipe or solid residue discharge nozzle.Stainless steel be adapted to hydrolysis environment can life-time service, sieve Hole can adopt the through hole that the diameter being distributed on barrel is not more than 5mm, realize the pervious function of inner core, it has been observed that needing The charging aperture of the discharge port of feed pipe and solid residue discharge nozzle is arranged in inside inner core, to realize inner core solid-liquid separation Function, for the interference for avoiding the arrangement from being rotated with inner core, is designed end face of cylinder and is offered for feed pipe and solid residue discharging The hole that pipe is stretched into, the hole by being connected to feed pipe or solid residue discharge nozzle on baffle plate closing, solid residue is retained Inside inner core.During design, the gap between baffle plate and the end face of inner core can rationally control or set heat-resisting at baffle plate edge Flexible seal ring, features simple structure and easy access are safeguarded, and the cleaning that device is overall.

The feed pipe arranges charging collecting tank and inlet valve.Charging collecting tank is convenient to be fed, inlet valve conveniently control into Doses, and the sealable convenient technological means of tank body are realized in conduct.

The inner core is arranged on the inner core rotational power plant outside tank body and is led to by the roller transmission support for being arranged on tank body The part that is connected for crossing the wall through tank body is connected with roller, and inner core rotational power plant is external to be conducive to which long-term steady It is fixed to work, be connected part and tank body can airtight connection realize also there are various existing means, such as with reference to gear reduction unit Casing and the connection of rotating shaft, will herein be described in detail, and roller type power transmission shaft both can reliably support inner core and rotate to inner core transmission Required active force, meanwhile, also making between its inner core and tank body, have spacing, the spacing may according to the doses of single treatment Detached liquid volume determines that the volume is related to the internal diameter of the spacing and tank body.

The motor that inner core rotational power plant employing can be rotated and reverse, using as realizing the one of inner core Double-directional rotary Individual convenient technological means.Rotate along a direction during hydro-thermal reaction so as to which material guide device does not play guide and rises and stir The effect mixed, after hydro-thermal reaction terminates, rotates along opposite direction, and material guide device plays guide effect, derives solid residue to solid Residue discharge nozzle.

The liquid discharging device is the liquid discharge nozzle for being arranged on tank base, and liquid discharge nozzle arranges liquid discharging Valve, is discharged using gravity, while liquid outlet valve is used as realizing the sealable convenient technological means of tank body.

The pivot center of the inner core is horizontally situated.Inner core is rotated relative to inclined certain angle, in For this utility model, can also solve the problems, such as that hydro-thermal, stirring, solid-liquid separation are three-in-one, the advantage rotated around horizontal axis is The equilibrium of stress.

The heater is preferably using the steam playpipe with valve, pivot center of the steam playpipe parallel to inner core Arrangement, steam playpipe be provided with corresponding to inner core bottom up side spray spray-hole, thus can steam introduce and with Material mixes, and realizes the heating of material in tank, meanwhile, steam can form impact from bottom to top to material, be conducive to breaing up The material of conglomeration.

The beneficial effects of the utility model are：Integrate heating, stirring, three kinds of functions of solid-liquid separation, it is easy to accomplish from The biomass such as changing food waste can be divided into two parts by dynamic control：A part is no longer easily corrupt smelly and moisture content is low Solid, another part is rich in Organic substance and the liquid that is readily delivered, and the material after process can meet subsequent anaerobic digestion system System is used；Floor space is little, maintenance is simple, investment is saved.

Description of the drawings

Fig. 1 is the structural representation of hydrothermal treatment consists of the present utility model and solid-liquid separation integrated device.

Fig. 2 is the A direction views of Fig. 1.

It is labeled as in figure：Tank body 1, inner core 2, air bleeding valve 3, baffle plate 4, charging collecting tank 5, feed pipe 6, inlet valve 7, inner core Rotational power plant 8, roller 9, heater 10, liquid outlet valve 11, liquid discharge nozzle 12, tank body bearing 13, material guide device 14th, solid residue outlet valve 15, solid residue discharge nozzle 16, solid residue collecting tank 17, steam valve 18, baffle plate 19.

Specific embodiment

With reference to the accompanying drawings and examples this utility model is further illustrated.

As shown in Figure 1 and Figure 2, hydrothermal treatment consists of the present utility model and solid-liquid separation integrated device, hydrothermal treatment consists and solid-liquid Separation integrated apparatus, including sealable tank body 1, tank body bearing 13 support tank body 1, and feed pipe 6, liquid is fixed with tank body 1 Body discharge nozzle 12, solid residue discharge nozzle 16, air bleeding valve 3, and inner core rotational power plant 8, tank body are provided with heater 10, tank Inner core 2 is installed in body 1, inner core 2 is by 9 transmission support of roller being arranged on inside tank body 1, the inner core being arranged on outside tank body 1 Rotational power plant 8 is connected with inner core 2 by the part that is connected of the wall through tank body 1, and inner core 2 rotates around it axis Can Double-directional rotary, inner core 2 have water penetration and double as solid-liquid separation part, solid residue discharge nozzle 16 stretches into 2 top of inner core, and Solid residue collecting tank 17 and solid residue outlet valve 15 are provided with, feed pipe 6 is passed through inside inner core 2 and its discharging is highly less than The entry level of solid residue discharge nozzle 16, feed pipe 6 arrange charging collecting tank 5 and inlet valve 7, and liquid discharge nozzle 12 arranges liquid Body outlet valve 11, is connected with the material guide device 14 that material can be oriented to solid residue discharge nozzle 16 on the inside of the barrel of inner core 2, described Material guide device 14 can be relative to the diagonally disposed a plurality of floor being parallel to each other of the centrage of inner core 2.

The inner core 2 is provided with the rustless steel cylinder of sieve aperture for barrel, so that inner core has water penetration, such that it is able to realize cylinder The solid-liquid separation of interior material, and long service life, be easy to rinse and clear up, inner core 2 may also be employed other permeable structures, example Such as, using the structure that filter cloth is arranged between Double-layer screen.The end face of inner core 2 is offered for feed pipe 6 and solid residue discharging The hole that pipe 16 is stretched into, the hole is by the baffle plate 4 for being connected to feed pipe 6 and the baffle plate 19 being connected on solid residue discharge nozzle 16 Close, solve the problems, such as that inner core rotates the problem with charging, outlet member interference and solid-liquid separation with easy structure.It is more multiple Miscellaneous structure can be, but not limited to be exemplified below, and for example charging and discharging structure adopts such structure：Porous is set on tank body Semicircular inner core backing plate, between inner core backing plate and inner core keep reasonable clearance and gap location arrange heat resistant joint ring, it is interior Charging aperture is opened up on cylinder, then feed pipe 6 may correspond to the location arrangements of charging aperture at the top of the tank body etc., arrange below inner core backing plate The solid residue collecting tank of the cylinder shape opening covered by rotatable shield, opens up position with rotatable shutter position pair on inner core The discharging opening answered, working condition shield are closed, and do not affect hydro-thermal reaction to carry out, and after the completion of hydro-thermal reaction, shield is opened；Liquids Material is discharged to adopt and pumps out mode.

This utility model substantially reduces pretreating process chain before changing food waste anaerobism, reduces changing food waste and was processing Defeated shifting operation in journey.Kitchen material directly or Jing after simple crushing can carry out hydrothermal treatment consists into the device, real during discharging Existing solid-liquid separation, liquid phase then can carry out extracting oils and fatss and Anaerobic Digestion.

Operation principle of the present utility model is described by taking changing food waste process as an example below.

Tank body 1 is switched to into air-tight state first, treating material is promoted to charging collecting tank 5, opens inlet valve 7, thing Material enters inner core 2 by feed pipe 6, rotates inner core 2 while starting inner core rotational power plant 8, after reaching design inlet amount, Stop charging, close inlet valve 7, material in tank body 1 is heated, steam off after temperature reaches technological temperature in tank, Keep inner core 1 to rotate, after hydro-thermal reaction reaches technique duration, be exhausted by air bleeding valve 3, after pressure drops to normal pressure, open Liquid outlet valve 11, because inner core 2 has water penetration, solid residue is intercepted in inner core 2, the sieve that liquid material is crossed on inner core 2 Hole is discharged to the bottom of tank body 1, is then discharged by liquid discharge nozzle 12, and this process keeps inner core 2 to rotate, in inner core 2 Solid residue fully drain, open solid residue outlet valve 15, and make 2 backwards rotation of inner core, solid residue be thus lifted to height Place simultaneously falls into solid residue collecting tank 16 again by, outside 16 drain tank of solid residue discharge nozzle, closing air bleeding valve 3, solid residual Slag outlet valve 15, liquid material outlet valve 11, carry out next cycle operation.

After this integrated apparatus is processed, typical subsequent treatment is mechanical expression to be carried out to solid residue and to liquid Body carries out anaerobic digestion, the former purpose be reduce solid residue volume to transport, the latter be then therefrom extract cleaning energy Source methane gas.The discharging of integrated apparatus solid residue can be transported outward after directly transporting outward or being squeezed, and liquid discharging then can be carried out Extracting oils and fatss or being directly entered anaerobic unit carries out organic matter digestion decrement and Methane Resources recovery.

Embodiment：

As shown in Figure 1 and Figure 2, certain hydrothermal treatment consists and solid-liquid separation integrated device include sealable tank body 1, tank body Seat 13 adopts the xoncrete structure of falling saddle type, supports tank body 1, and liquidometer, fluid temperature sensor are set in tank body 1, and gas temperature is passed Sensor, gas pressure sensor are fixed with feed pipe 6, liquid discharge nozzle 12, solid residue discharge nozzle 16, air bleeding valve on tank body 1 3rd, and inner core rotational power plant 8, tank body is provided with heater 10, is provided with inner core 2 in tank body 1, and inner core 2 is by being arranged on tank body 9 transmission support of roller inside 1, is arranged on biography of the inner core rotational power plant 8 outside tank body 1 by the wall through tank body 1 Rotation connection part is connected with inner core 2, inner core 2 rotate around it axis can Double-directional rotary, inner core 2 is provided with sieve aperture not for barrel Rust steel cylinder, end face of cylinder offer the hole stretched into for feed pipe 6 and solid residue discharge nozzle 16, the hole by be connected to into Baffle plate 4,19 in expects pipe 6 or solid residue discharge nozzle 16 is closed, and the charging aperture of solid residue discharge nozzle 16 is located on inner core 2 Portion, and solid residue collecting tank 17 and solid residue outlet valve 15 are provided with, feed pipe 6 is passed through inside inner core 2 and its discharging is high Entry level of the degree less than solid residue discharge nozzle 16, feed pipe 6 arrange charging collecting tank 5 and inlet valve 7, liquid discharge nozzle 12 Liquid outlet valve 11 is set, a plurality of oblique floor being parallel to each other as material guide device 14 on the inside of the barrel of inner core 2, is connected with, If the barrel of inner core 2 expanded into plane, the faying face of floor and inwall is the bar for having angle with the long and short side of developed surface Shape, along the length direction of inner core, floor both end extension to the position for being close to 2 end face of inner core, the number of floor is according to its plate face width The discharge rate of degree, the internal diameter of inner core 2 and requirement determines.Inner core 2 is rotated in hydrothermal reaction process in one direction, now, Floor plays stirring action, drives material to be dropped to 6 side of feed pipe by eminence, and under discharging state, inner core 2 turns in the opposite direction Dynamic, floor plays guide effect, drives material to be dropped to 17 side of solid residue collecting tank by eminence, the inner core rotational power dress The motor that 8 employings can be rotated and reverse is put, the pivot center of inner core 2 is horizontally situated.The heater 10 is using band valve The steam playpipe of door 18, steam playpipe are arranged in the bottom of tank body 1, steam playpipe parallel to the pivot center of inner core 2 It is provided with the spray-hole sprayed corresponding to the bottom up side of inner core 2.To make full use of heat energy tank body 1 preferably with heat insulation tank, I.e. in insulation constructions such as 1 outer setting heat-insulation layers of tank body.

The course of work of this device is described by taking changing food waste process as an example below.

First inlet valve 7, fluid discharge valve 11, solid residue blow-off valve 15, air bleeding valve 3 and steam valve 18 are closed, Changing food waste or the changing food waste Jing after simple crushing be promoted to charging collecting tank 5, open inlet valve 7, changing food waste pass through into Expects pipe 6 is entered inside inner core 2, while open inner core rotating, is shown to after corresponding liquid level according to system liquid level meter, is stopped charging, Close inlet valve 7.Saturated vapor is passed through by jet chimney 10, material in tank is heated, when temperature reaches 120 DEG C in tank Steam off after～160 DEG C, keeps inner core to rotate, and hydro-thermal reaction was exhausted by air bleeding valve 3, in tank after 20～60 minutes Pressure opens liquid outlet valve 11 after dropping to normal pressure, liquid is entered between inner tank wall and inner tank theca by the sieve aperture on inner core Space, then discharged by liquid discharge nozzle 12, then can carry out extracting oils and fatss or anaerobic digestion.In solid residue is intercepted at In cylinder 1, inner core 1 is kept to rotate, the solid residue in inner core 1 is fully drained.Solid residue outlet valve 15 is opened, while logical Crossing motor makes inner core 1 carry out counter-rotating, and solid residue is carried in the case where the material guide device 14 on 1 inwall of inner core is acted on Be raised to solid residue collecting tank 17, by 16 drain tank of solid residue discharge nozzle outside, can then carry out mechanical dehydration or directly fill out Bury field landfill.Air bleeding valve 3, solid residue outlet valve 15, liquid material outlet valve 11 are closed, next cycle operation is carried out.

This utility model is incorporated into the stirring of cumbersome, heating steaming and decocting and solid-liquid separation in set of device, can be In changing food waste, biomass are transferred to liquid phase, so as to other solid impurities in changing food waste are separated with biomass so that enter one The process or disposal of step becomes convenient, easy, and solid residue is sent burning or landfill/liquid rich in organic matter outside and carries out anaerobism and disappear Change；The efficiency of kitchen rubbish preprocessing process is significantly improved, handling process chain is greatly shortened, changing food waste is reduced and is being processed During defeated shifting operation, reduce intractability and equipment manufacturing cost；Changing food waste material is made at solid-liquid separation advance water-filling heat Protein and carbohydrate in changing food waste material solid phase is transferred to liquid phase, therefore is separated by the device by reason in advance Solid slag contain less organic matter, moisture content is low and is difficult corrupt smelly, and the organic matter that liquid material contains increases, Follow-up anaerobic treatment efficiency and the Methane Resources response rate are lifted significantly；The rotatable inner core of particular design, water penetration design, leads to Crossing dynamical system makes inner core Double-directional rotary that changing food waste can be made to be stirred in hydrothermal treatment process, improves heating and solid-liquid point From efficiency, normal pressure is carried out in separation of solid and liquid process and is drained, while the steam being passed through can also form purging effect to inner core, it is to avoid Traditional solid-liquid separating equipment blocks serious problem.

Claims (10)

1. hydrothermal treatment consists and solid-liquid separation integrated device, including sealable tank body（1）, tank body（1）It is equipped with heater （10）, tank body（1）On be provided with feed arrangement, air bleeding valve（3）, it is characterized in that：Tank body（1）Inside it is provided with relative to tank body（1） Rotatable inner core（2）, inner core（2）Solid-liquid separation part, tank body are doubled as with water penetration（1）On be accordingly respectively arranged with liquid Body drawing mechanism, solid residue drawing mechanism.

2. hydrothermal treatment consists as claimed in claim 1 and solid-liquid separation integrated device, is characterized in that：The inner core（2）Can be around Its pivot center Double-directional rotary, the solid residue drawing mechanism are to be fixed on tank body（1）Go up and stretch into inner core（2）Top is consolidated Body residue discharge nozzle（16）, the feed arrangement is to be passed through inner core（2）Internal and its discharging is highly less than solid residue discharge nozzle （16）Entry level feed pipe（6）, inner core（2）Barrel on the inside of be connected with can be by inner core（2）Rotation will process residual Slag is oriented to solid residue discharge nozzle（16）Material guide device（14）.

3. hydrothermal treatment consists as claimed in claim 2 and solid-liquid separation integrated device, is characterized in that：The solid residue discharging Pipe（16）Feed end be provided with solid residue collecting tank（17）.

4. hydrothermal treatment consists as claimed in claim 3 and solid-liquid separation integrated device, is characterized in that：The inner core（2）End Face offers and supplies feed pipe（6）With solid residue discharge nozzle（15）The hole stretched into, the hole is by being connected to feed pipe（6）Or it is solid Body residue discharge nozzle（15）On baffle plate（4、19）Closing.

5. hydrothermal treatment consists as claimed in claim 2 or claim 3 and solid-liquid separation integrated device, is characterized in that：The feed pipe（6） Charging collecting tank is set（5）And inlet valve（7）.

6. the hydrothermal treatment consists and solid-liquid separation integrated device as described in claim 1,2 or 3, is characterized in that：The inner core（2） By being arranged on tank body（1）Roller（9）Support, be arranged on tank body（1）Outside inner core rotational power plant（8）By through tank Body（1）Wall be connected part and inner core（2）It is connected.

7. hydrothermal treatment consists as claimed in claim 6 and solid-liquid separation integrated device, is characterized in that：The inner core rotational power Device（8）Using the motor that can be rotated and reverse.

8. the hydrothermal treatment consists and solid-liquid separation integrated device as described in claim 1,2 or 3, is characterized in that：The liquid row Go out device to be arranged on tank body（1）The liquid discharge nozzle of bottom（12）, liquid discharge nozzle（12）Liquid outlet valve is set（11）.

9. the hydrothermal treatment consists and solid-liquid separation integrated device as described in claim 1,2 or 3, is characterized in that：The inner core（2） Pivot center be horizontally situated.

10. hydrothermal treatment consists as claimed in claim 9 and solid-liquid separation integrated device, is characterized in that：The heater （10）Using band valve（18）Steam playpipe, steam playpipe is parallel to inner core（2）Pivot center arrangement, steam injection Pipe is provided with corresponding to inner core（2）Bottom up side injection spray-hole.