CN209271477U - A kind of device based on stalk preparation metal-organic framework material - Google Patents

Abstract

The utility model proposes a kind of device based on stalk preparation metal-organic framework material, the feeding-in solid body mouth of heating kettle is located at kettle top, feeds by the stalk tentatively crushed from feeding-in solid body mouth, the liquid inlet opening of heating kettle side setting injection acid solution or lye；Heating kettle discharge port is connected to the stirred tank feed inlet of the side of stirred tank, and stirred tank top is also equipped with stirred tank liquid addition port, is set as crawler belt feeding between the stirred tank discharge port and drying room of stirred tank；The feed inlet of reaction kettle is connected to the discharge port of drying room, reaction kettle is additionally provided with cellulase feed opening, reaction kettle discharge port is connected to centrifugation machine inlet, at least one level filter is additionally provided between centrifuge and reaction chamber, filter is additionally provided with alkaline solution feed inlet, methanol vapor phase conduit is provided at the top of reaction chamber, and in reaction chamber wall pressure measurement device, according to process units of the utility model, production metal-organic framework material can be realized for more massive sewage treatment.

Description

A kind of device based on stalk preparation metal-organic framework material

Technical field

The utility model belongs to decontamination material preparation facilities field, and stalk is hydrolyzed into glucose again more particularly to a kind of The process units of porous adsorbing material is further made.

Background technique

Metal-organic framework material (MOFs) is formed by connecting by metal node and organic ligand with infinite network knot The framework material of structure has the characteristics that bigger serface, high porosity, it is most important that, the aperture of MOFs material and topology knot Structure has very flexible Modulatory character, can design for the specific adsorption application of dirty water pollutant and prepare its correspondence Optimal material, therefore MOFs material is considered as the sewage treatment adsorbent for most having promotion prospect and application value.

Metal-organic framework material (MOFs) preparation method has traditional volatility process, diffusion method, solvent method and novel Sol-gel method, stirring synthetic method, solid-phase synthesis, microwave, ultrasonic wave, the methods of ion heat, to enable this material Production is so that more wastewater pollutants are effectively handled on a large scale, in the prior art also to various universal and have The material preparation of large-scale application value is targetedly studied.

Most study is the agricultural wastes such as stalk at present, and the agricultural wastes such as stalk contain abundant cellulose, wooden The organic matters such as element, can be obtained after hydrolysis glucose group at macromolecular polysaccharide and there are many alcohol molecule, contain quantity Numerous functional groups that can make up MOFs material skeleton structure can be used as one of the component for preparing MOFs material, in this way On the one hand the waste utilization that can be realized the substances such as stalk avoids the pollution on the environments such as conventional incineration processing, another party Face, as a raw material for production using straw-like materials, be capable of high degree reduction MOFs product production cost, be conducive to by MOFs material is applied to sewage treatment field, realizes the target of " treatment of wastes with processes of wastes against one another ".And combine the life based on substances such as stalks It produces processing and obtains the process units for decontaminating material there is presently no relevant research is carried out, so that it is organic to prepare metal based on stalk The large-scale production of frame material (MOFs) industrially is not solved effectively.

Utility model content

Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of by hydrolyzing straw acquisition The gas chromatographies such as glucose prepare the process units of metal-organic framework material (MOFs) in turn, which is basic with stalk Raw material selects liquid phase diffusion method to come large scale preparation metal-organic framework material (MOFs), which proposes a kind of industrial The process units for preparing metal-organic framework material (MOFs) solves and prepares metal-organic framework material (MOFs) based on stalk Mass production problem industrially.

To achieve the above object, it according to the utility model, provides a kind of based on stalk preparation metal-organic framework material A kind of device, which is characterized in that device based on stalk preparation metal-organic framework material, which is characterized in that including successively connecting Logical heating kettle, stirred tank, drying room, reaction kettle, centrifuge, reaction chamber, wherein

The feeding-in solid body mouth of the heating kettle is located at kettle top, by the stalk that tentatively crushes from the feeding-in solid body mouth into Material, the liquid inlet opening of the heating kettle side setting injection acid solution or lye；It is set to the heating kettle discharge port of other side It is connected to the stirred tank feed inlet of the side of the stirred tank, the stirred tank top, which is also equipped with, mixes kettle liquid addition port, is used for Injection balance solution is set as crawler belt feeding between the stirred tank discharge port and the drying room of the stirred tank；The reaction The feed inlet of kettle is connected to the discharge port of the drying room, and the reaction kettle is additionally provided with cellulase feed opening, the reaction The discharge port of kettle is connected to the feed inlet of the centrifuge, is additionally provided at least one level between the centrifuge and the reaction chamber Filter, the filter are additionally provided with alkaline solution feed inlet, are provided with methanol vapor phase conduit at the top of the reaction chamber, and The pressure measurement device not contacted with reactant is arranged in inner wall described in the reaction chamber.

Further, the stirred tank and the centrifuge are additionally provided with the connection mouth with waste liquid pool.

Further, the bottom of the stirred tank is provided with stirred tank water outlet, and bottom apart from water outlet 10~ Screen modules are set at 15mm.

Further, it installs the dialysis membrane that molecular cut off is 10000Da at the discharge hole of centrifugal machine additional, realizes cellulose The separation of enzyme and hydrolysate.

Further, an inclined plate is set between the stirred tank discharge port and the crawler belt of the stirred tank as buffering dress It sets, the inclined plate is trapezoidal along the inclined-plane of discharging direction, and the inclined plate two sides are provided with partition.

Further, expansion chamber is arranged in every grade of filter, and sediment processing component is arranged in the expansion chamber.

Further, it is also communicated with washing chamber after the reaction chamber, ethyl alcohol ejection assemblies are set in the washing chamber.

Further, product collector is additionally provided with behind the washing chamber, the washing chamber is connected to the waste liquid pool.

Further, heating kettle heat exchanger tube is arranged in the bottom inside the heating kettle.

Further, stirred tank heat exchanger tube is arranged in the bottom inside the stirred tank.

In general, have the above technical solutions conceived by the present invention are compared with the prior art, with following Beneficial effect:

It 1, can be extensive the utility model proposes a kind of production equipment of novel metal-organic framework material (MOFs) Produce MOFs material；

2, the utility model is that complete reaction chain equipment is arranged in the generation of every order reaction object, so that every order reaction product is all It can effectively be handled, deposit, which can obtain, in processes effectively handles and filter out, the setting of temperature control and heat exchange Respective reaction environment is effectively controlled, the quality of production of metal-organic framework material (MOFs) is significantly improved.

Detailed description of the invention

Fig. 1 is the overall structure diagram according to decontamination material preparation facilities of the utility model；

Fig. 2 is the detailed schematic of the heating kettle in the decontamination material preparation facilities realized according to the use of the new type；

Fig. 3 is the detailed schematic according to the stirred tank in decontamination material preparation facilities of the utility model；

Fig. 4 is the detailed schematic according to the drying room in decontamination material preparation facilities of the utility model；

Fig. 5 is shown for the process for being executed decontamination material preparation method using decontamination material preparation facilities according to the utility model It is intended to.

In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which:

1, heating kettle, 2, stirred tank, 3, drying room, 4, reaction kettle, 5, centrifuge, 6, first filter, 7, storage tank, 8, anti- Answer room, 9, washing chamber, 10, product collector, 11, waste liquid pool；

1-1, heating kettle blender, 1-2, heating kettle feeding-in solid body mouth, 1-3, heating kettle discharge port, 1-4, heating kettle liquid Feed inlet, 1-5, heating kettle temperature sensitive meter, 1-6, heating kettle heat exchanger tube, 1-7, heating kettle heat exchanger tube support frame；2-1, stirring Kettle liquid addition port, 2-2, stirred tank feed inlet, 2-3, stirred tank discharge port, 2-4, stirred tank water outlet, 2-5, stirred tank change Heat pipe standoff frame, 2-6, filter screen, 2-7, filter screen frame, 2-8, stirred tank heat exchanger tube, 2-9, stirred tank temperature sensitive meter, 2- 10, stirred tank blender；3-1, inclined plate, 3-2, transmission crawler belt.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.

The utility model first proposed a kind of preparation based on hydrolyzing straw preparation metal-organic framework material (MOFs) Device, the preparation of the device include following part, as shown in fig. 1:

Successively by heating kettle 1, stirred tank 2, drying room 3, reaction kettle 4, centrifuge 5, first filter 6, storage tank 7, reaction Room 8, washing chamber 9, product collector 10, waste liquid pool 11 form.

Wherein, the discharge port of heating kettle 1 is connected to the feed inlet of stirred tank 2, discharge port and the drying room 3 of stirred tank 2 Crawler belt connection is fed, the discharging crawler belt of drying room 3 is connected to the feed inlet of reaction kettle 4, the discharge port and centrifuge 5 of reaction kettle 4 Feed inlet connection, the discharge port of centrifuge 5 is connected to the feed inlet of first filter 6, the discharge port of first filter 6 and storage The feed inlet of tank 7 is connected to, and the discharge port of storage tank 7 is connected to the feed inlet of reaction chamber 8, discharge port and the filtering ponds 9 of reaction chamber 8 Feed inlet connection, the discharge port of filtering ponds 9 are connected to the feed inlet of product collector 10, stirred tank 2, centrifuge 5 and filtering ponds 9 Waste liquid outlet be connected to waste liquid pool 11.

Wherein, as shown in Figure 2, the feeding-in solid body mouth 1-2 of heating kettle 1 is located at kettle top upper part, and wherein stalk is above-mentioned The outside of preparation facilities after tentatively crushing directly from wherein pouring into, wherein from the stalk of pan feeding after the crushing of external grinding device Mesh number less than 40 mesh, 1 side feed inlet of heating kettle is liquid inlet opening 1-4, acid solution or lye from heating kettle liquid inlet opening 1-4 is directly injected into, likewise, heating kettle discharge port 1-3 is located at the heating kettle other side, to pass through the liquid after the heating of heating kettle 1 Discharge port, using in preparation process of the above-mentioned heating kettle 1 to hydrolyze above-mentioned stalk, one of preferred solid-liquid mass ratio is 1: 9。

Further, to make stalk obtain better reaction effect, heating kettle heat exchanger tube 1- is wherein housed inside bottom 6, heating kettle heat exchanger tube 1-6 is directly contacted with mixed liquor, while heating kettle heat exchanger tube 1-6 is connected with external device (ED), can reconcile The temperature of heat exchanger tube, wherein heating kettle heat exchanger tube 1-6 passes through the heating kettle heat exchanger tube support frame 1-7 that is set to inside heating kettle 1 The inside of bearing setting, heating kettle 1 is equipped with heating kettle blender 1-1, directly contacts with mixed liquor, wherein heating kettle blender 1- It is abundant with acid solution or alkaline reaction to reinforce stalk that 1 foundation industrial production process is stirred continuously work, carries out for reaction in next step Adequately prepare.

Further, environment is strong acid or strong alkali environment in the kettle of above-mentioned heating kettle 1, so the inner wall of kettle, heating kettle change The surface heat pipe 1-6, heating kettle heat exchanger tube support frame 1-7, the outer surface of heating kettle blender 1-1, pipeline opening inner wall are required to do It is acidproof, alkaline-resisting, corrosion-resistance treatment or acidproof, alkaline-resisting, the corrosion-resistant material of selection, in the specific reality of wherein above-mentioned preparation facilities It applies in mode, preferably ceramic, titanium alloy.

The detailed schematic of stirred tank 2 in decontamination material preparation facilities as shown in Figure 3, stirred tank 2 go out with heating kettle Stirred tank feed inlet 2-2 is installed in the side of material mouth 1-3 connection, and other side side is stirred tank discharge port 2-3；Feed opening is using stirring Kettle liquid addition port 2-1.The side that stirred tank 2 is connected to drying room is equipped with stirred tank discharge port 2-3, so that abundant in reaction Reaction stream is passed through in next preparation sub-device afterwards, in order to neutralize the strong acid or highly basic of reaction mixture in heating kettle 1, is made molten Liquid pH is 7, and required water needs constantly to inject and be arranged stirred tank blender 2-10 stirring.

Further, the bottom of stirred tank 2 is equipped with stirred tank water outlet 2-4, and in bottom apart from 10~15mm of water outlet Place should set filter screen 2-6, and filter screen 2-6 is fixed with circular frame 2-7.The mesh number of filter screen 2-6 is less than the crushing of stalk Object mesh number, in a kind of wherein embodiment, for less than 20 mesh；Stirred tank blender 2-10 needs are continuously agitated, and make to stir Substance in kettle 2 be always maintained at it is uniformly mixed, to guarantee that stalk slag will not deposit, so as not to blocking filter screen.

Further, to make stalk obtain better reaction effect, heat exchanger tube 2-8 is wherein housed inside 2 bottom of stirred tank, Heat exchanger tube 2-8 is directly contacted with mixed liquor, while heat exchanger tube 1-6 is connected with external device (ED), can reconcile the temperature of heat exchanger tube, Middle heat exchanger tube 2-8 is arranged by being set to the heat exchanger tube support frame 2-5 bearing inside stirred tank 2, in the reaction process of stirred tank 2 In, need accurately to control the temperature etc. of reaction, it is also necessary to which stirred tank temperature sensitive meter 2-9 is set in stirred tank 2, to supervise in real time It surveys the temperature of stirring and controls heat exchanger tube and adjust temperature.

Environment is strong acid or strong alkali environment in the kettle of above-mentioned stirred tank 2, so the inner wall of kettle, the surface heat exchanger tube 2-8, heat exchange Pipe support frame 2-5, the outer surface of stirred tank blender 2-10, pipeline opening inner wall be required to do it is acidproof, it is alkaline-resisting, corrosion-resistance treatment or Person selects acidproof, alkaline-resisting, corrosion-resistant material, preferably ceramic in the wherein specific embodiment of above-mentioned preparation facilities, titanium Alloy.

Crawler belt is arranged between drying room 3 and stirred tank (2) to transmit, crawler belt needs to be arranged between 2 discharge port 2-3 of stirred tank For one inclined plate 3-1 as buffer unit, inclined plate upper end is small and is connected to stirred tank discharge port, and inclined plate lower end is big and is connected to transmission crawler belt On 3-2, there is partition on the both sides inclined plate 3-1, make solidliquid mixture as the transmission campaign of transmission crawler belt 3-2 is to more uniform paving It is old on crawler belt, while come out solidliquid mixture be still liquid account for it is relatively high, transmit crawler belt 3-2 on close gap still It can so play the role of further draining away the water, certainly, after the reaction of this step, stalk itself is had already been through sufficiently Broken and reaction treatment, become graininess, the tight clearance on transmission crawler belt 3-2 at this time will guarantee that stalk particle object will not Loss is generated with transporting to handle.

4 side of reaction kettle is feed inlet, and feed inlet accepts the stalk particle that drying room (3) is sent obliquely, is reacted The inclined plate that there is partition on both sides is installed additional at 4 feed inlet of kettle and transmission crawler belt undertaking, is on the one hand worked as a buffer, is on the other hand prevented straw Stalk spills.Discharge port is located at the side that reaction kettle 4 is connected to centrifuge 5, and cellulase feed opening is located at kettle top top, reaction kettle Need to install additional reaction kettle heat exchanger tube inside 4 bottoms, the effective bracket of reaction kettle heat exchange is fixed on 4 bottom of reaction kettle, while in kettle wall The sensitive meter of upper installation temperature of reaction kettle facilitates control temperature to keep temperature constant, and the hydrolysis inside reaction kettle is a heat release Reaction and the reaction simultaneously needs cellulase to carry out hydrolyzing straw, and enzyme can just work in certain temperature range, temperature It is excessively high to will lead to enzyme inactivation, and reaction is made to fail.

The side that centrifuge 5 is connected to reaction kettle discharge port is equipped with feed inlet, and lower part is discharge port, inside centrifuge 5 It is the dialysis membrane of 10000Da that installation molecular cut off is needed at 10~15mm of discharge port, by cellulase and hydrolysis Product is separated, while 5 top of centrifuge is equipped with the nozzle for leading to waste liquid pool 11, can will be stranded in device when shutting down Solid residue wash in waste liquid pool 11, on the one hand filter out residue, on the other hand filter out what some centrifuges 5 failed to filter The wastes such as enzyme, as supplement defence line together.

Feed inlet is arranged in the side that first filter 6 is connected to 5 discharge port of centrifuge, and the reaction product of upper level passes through upper Portion is arranged feed inlet and enters the first filter 6, is dissolved and is filtered with alkaline solution, first filter 6 has enough length It can guarantee reaction sufficiently, first filter 6 is inclined to set, and the reactant being passed through in centrifuge 5 enters first filter 6 Other end is flowed in one end of first filter 6 along water flow afterwards, expansion chamber is being set along the side of flow direction, in order to the Deposit convergence, is thus piled up on one side under the promotion of water flow with facilitating by the one constantly operation work of filter 6, can be heavy Drop places hanging basket in room, until processing can be directly hung out when need to handle.Further, close to 6 discharge port of first filter Place setting filter screen, further filters out relict sediment.Certainly, to guarantee better filtration result, wherein above-mentioned first mistake Also settable multistage filter cascade after filter 6, so that the first, second setting third filter realizes better filter effect.

The side that storage tank 7 is connected to the discharge port of first filter 6 is reservoir inlet, and the other side is reservoir outlet. The pipeline that reservoir outlet leads to reaction chamber 8 is equipped with valve, which can be closed or opened at any time using electronic control, and And tank volume is big, the reaction of reaction chamber 8 will completely enclose, and storage tank plays buffering reaction product actually and enters next order reaction Effect.

Reaction chamber feed inlet is installed in the side that reaction chamber 8 is connected to storage tank 7, and the installation of other side side is reaction chamber discharging Mouthful.Pressure control is needed inside reaction chamber 8, is made of methanol vapor phase conduit and pressure sensitive meter, and gas phase conduit is pushed up in reaction chamber 8 Portion, pressure sensitive meter is loaded on any place of reaction chamber wall and cannot be touched by indoor reaction liquid, and one reacts indoor reaction Higher pressure is needed, facilitates the progress of liquid phase diffusion reaction, but hypertonia, the methanol of gas phase can liquefy, second, instead Product after answering needs certain air-flow to push when entering washing chamber 9.

The product that wherein reaction chamber 8 generates enters washing chamber 9, and is sprayed ethanol washing indoors for several times.

Product collector 10 is used to collect the product of last manufacture, and waste liquid pool 11 is for collecting in entire reaction process Generated liquid wherein needs to be previously added buffer in waste liquid pool 11, and there are many different types of waste liquids in waste liquid pool Mixing, to prevent from causing waste liquid pool equipment certain infringement.

Wherein, as illustrated in Fig. 5, according to the utility model execute decontamination material the preparation method is as follows:

(1) corn stover that crushed is set into material in heating kettle 1 by feeding-in solid body mouth 1-2, adjusts temperature to centainly Numerical value is simultaneously placed several hours, wherein adjusting the corresponding steady temperature of setting by temperature sensitive meter 1-5；Then again by adding Hot kettle feed inlet 1-4 sets material acid solution either lye, and a period of time is kept the temperature at a temperature of other one；

(2) it is passed through in stirred tank 2 by the reactant of heating kettle 1 by stirred tank feed inlet 2-2, passes through stirred tank liquid Feed opening 2-1 charging agitation and filtration to filter liquor is in neutrality；

(3) product in stirred tank 2 is set material to dry in drying room 3, the temperature of drying and the time of drying can foundations The condition of drying room is realized；

(4) the stalk slag after drying is sent into reaction kettle 4, Acetic acid-sodium acetate buffer is added, endo-glucanase is added Enzyme, Cellobiohydrolase solution, temperature keep certain time to execute hydrolysis；

(5) product in step (4) is connect and sets material in centrifuge 5, the molecular cut off being wherein arranged in centrifuge 5 is The dialysis membrane of 10000Da separates cellulase with hydrolysate；

(6) product that hydrolysis obtains is passed through first filter 6, is dissolved with alkaline solution, filters out relict sediment；It will be upper It states reactant and sets material in storage tank 7, in case the charging of reaction in next step；

(7) product in storage tank 7 is fed in reaction chamber, in reaction chamber 8, when standing one section at room temperature Between, during which methanol steam slowly diffuses into solution, and two-phase interface grows colourless cubic block crystal；

(8) crystal that reaction generates is sent into washing chamber's ethanol washing, finally collects, at this time metal organic frame material Material (MOFs) is produced out.

Wherein, the preparation embodiment for executing decontamination material according to above scheme is as follows:

Case study on implementation 1

(1) by the corn stover that crushed (cross 40 mesh: cross 20 mesh: ratio between 20 mesh and 40 mesh is 21:47: 32) it is placed in heating kettle 1, adjusts temperature to 75 DEG C of 12 hours of placement.Then 1.0% is added for 10% by solid content again Dilute sulfuric acid, keep the temperature 2h at 120 DEG C.It is passed through filtering to filter liquor in stirred tank 2 to be in neutrality, corn stover residue is sent into and is dried Dry chamber 3, which is placed at 75 DEG C, dries for 24 hours.

(2) stalk slag is sent into reaction kettle 4,0.05mol/L acetic acid-vinegar of pH4.85 is added by solid content 10% Sour sodium buffer, is added endoglucanase, the Cellobiohydrolase solution of 25IFPU/g, and temperature keeps 50 DEG C, hydrolyze 8h.Then it is passed through centrifuge 5, the dialysis membrane for the use of molecular cut off being 10000Da produces cellulase and hydrolysis Object is separated.

(3) glucose (0.126mmolL-1) that hydrolysis obtains is passed through first filter 6, with KOH (200mmol L-1) aqueous dissolution filters solution by first filter 6, and filtrate is passed through in reaction chamber 8, is stood at room temperature One week, during which methanol steam slowly diffused into solution, and two-phase interface grows colourless cubic block crystal, these crystal are sent Enter the ethanol washing of washing chamber 9, finally collects.

Case study on implementation 2

(1) by the corn straw smashing of natural air drying and mesh on the 175th excessively, straw powder is obtained；

(2) straw powder of step (1) is taken to be placed in heating kettle 1, be added thereto 16 times of its quality deionized water, 18 times 5.4%NaOH solution, react 26min under conditions of 53 DEG C, be then passed into stirred tank 2 and balance pH30min, be sent to Drying room 3 is dried, and straw powder is obtained；

(3) straw powder, composite bacteria, water are each led into reaction kettle 4 according to the ratio of weight ratio 1:0.33:15, Then endoglucanase, the Cellobiohydrolase of its quality 25IFPU/g, digests 22h in reaction kettle 4, Obtain hydroglucan.

(4) glucan that hydrolysis obtains first is separated with centrifuge 5, is then passed into first filter 6 and uses KOH Then (200mmolL-1) aqueous dissolution filters solution, filtrate is sent in reaction chamber 8, quiet at room temperature It sets one week, during which methanol steam slowly diffuses into solution, and crystal is grown on two-phase interface and is sent to these crystal Washing chamber 9 and with ethanol washing for several times

Case study on implementation 3

(1) corn stover first passes through pulverizer and is crushed, and smashes it through 40 meshes:

(2) smashed stalk is passed through in heating kettle 1, handles smashed jade with the NaOH solution of mass concentration 1.0% Rice stalk, solid-to-liquid ratio 1:10,100 DEG C of 1h are then passed into stirred tank 2, are washed to neutrality, are sent into drying room 3 and are dried to Constant weight, as fermentation substrate；

(3) every 10mL 0.0005g containing FeSO47H2O, MnSO47H2O 0.0016g, ZnSO47H2O are first prepared The micro-mixed liquor of 0.0014g, CoCl2.0.002g: next prepares nutritive solution, the quality of each component in nutritive solution Percent concentration is: (NH4) 2,SO4 1%, KH2PO4 0.3%, MgSO4 0.05%, CaCl2 0.05%, remaining is water.It connects Prepare mixed liquor, mixed liquor is made by adding micro-mixed liquor 1mL in every 100mL nutritive solution；By the hair of step (2) It is separately added into reaction kettle 4 according to solid-liquid ratio for 1:2.25 in ferment substrate, adjusts pH5.5, sterilize 20min at 121 DEG C；It will prepare Endoglucanase, Cellobiohydrolase bacterium solution pour into reaction kettle, ferment 10d, obtain hydrolysis grape Sugar.

(4) it is passed through first filter 6 after filtering the glucose that hydrolysis obtains with centrifuge 5, with KCl (200mmolL- 1) then aqueous dissolution. filters solution, and filtrate is passed through in the reaction chamber 8 of methanol, stands one week at room temperature, Period methanol steam slowly diffuses into solution, grows colourless cubic block crystal in two-phase interface and gives these crystal Enter washing chamber 9 and with ethanol washing for several times.

It is worth noting that, the charging and discharging and its valve, pipeline etc. in above-mentioned decontamination material preparation facilities are specific Equipment is that can be realized the conventional arrangement of charging and discharging in the prior art, is no longer repeated herein its concrete form, In addition, in automation generating process industrially, it can be in conjunction with computer technology to the reactant in above-mentioned reaction process The input and output material time is controlled, so that above-mentioned decontamination material preparation facilities can be produced smoothly according to corresponding preparation method Metal-organic framework material is prepared based on stalk, wherein in this not go into detail there are commonly industrial personal computer technology etc..

As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change Into etc., it should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of device based on stalk preparation metal-organic framework material, which is characterized in that including the heating kettle being sequentially communicated (1), stirred tank (2), drying room (3), reaction kettle (4), centrifuge (5), reaction chamber (8), wherein

The feeding-in solid body mouth (1-2) of the heating kettle (1) is located at kettle top, by the stalk that tentatively crushes from the feeding-in solid body mouth (1-2) charging, the liquid inlet opening (1-4) of heating kettle (1) the side setting injection acid solution or lye；It is set to other side Heating kettle discharge port (1-3) be connected to the stirred tank feed inlet (2-2) of the side of the stirred tank (2), the stirred tank (2) Top is also equipped with stirred tank liquid addition port (2-1), is used for injection balance solution, the stirred tank discharge port of the stirred tank (2) Crawler belt feeding is set as between (2-3) and the drying room (3)；The feed inlet of the reaction kettle (4) and the drying room (3) Discharge port connection, the reaction kettle (4) are additionally provided with cellulase feed opening, the discharge port of the reaction kettle (4) and it is described from The feed inlet of scheming (5) is connected to, and is additionally provided at least one level filter between the centrifuge (5) and the reaction chamber (8) (6), the filter is additionally provided with alkaline solution feed inlet, is provided with methanol vapor phase conduit at the top of the reaction chamber (8), and The pressure measurement device not contacted with reactant is arranged in reaction chamber (8) inner wall.

2. the device as described in claim 1 based on stalk preparation metal-organic framework material, which is characterized in that the stirring Kettle (2) and the centrifuge (5) are additionally provided with and the connection mouth of waste liquid pool (11).

3. the device as described in claim 1 based on stalk preparation metal-organic framework material, which is characterized in that the stirring The bottom of kettle (2) is provided with stirred tank water outlet (2-4), and screen modules are arranged at 10~15mm of water outlet in bottom (2-6,2-7).

4. the device as described in claim 1 based on stalk preparation metal-organic framework material, which is characterized in that the centrifugation Machine (5) discharge outlet installs the dialysis membrane that molecular cut off is 10000Da additional, realizes the separation of cellulase and hydrolysate.

5. the device as described in claim 1 based on stalk preparation metal-organic framework material, which is characterized in that the stirring One inclined plate (3-1) is set between the stirred tank discharge port (2-3) of kettle (2) and the crawler belt as buffer unit, the inclined plate (3- It 1) is trapezoidal along the inclined-plane of discharging direction, and the two sides the inclined plate (3-1) are provided with partition.

6. the device as described in claim 1 based on stalk preparation metal-organic framework material, which is characterized in that the filtering Expansion chamber is arranged in device, and sediment processing component is arranged in the expansion chamber.

7. the device based on stalk preparation metal-organic framework material as described in any one of claim 1-6, feature It is, is also communicated with washing chamber (9) after the reaction chamber (8), ethyl alcohol ejection assemblies is set in the washing chamber (9).

8. the device as claimed in claim 7 based on stalk preparation metal-organic framework material, which is characterized in that the washing It is additionally provided with behind room (9) product collector (10), the washing chamber (9) is connected to waste liquid pool (11).

9. the device as described in claim 1 based on stalk preparation metal-organic framework material, which is characterized in that the heating Heating kettle heat exchanger tube (1-6) is arranged in the internal bottom of kettle (1).

10. the device as described in claim 1 based on stalk preparation metal-organic framework material, which is characterized in that described to stir Mix internal bottom setting stirred tank heat exchanger tube (2-8) of kettle (2).