CN208824466U - A kind of wheat stalk ethyl levulinate reactor - Google Patents

Abstract

The utility model discloses a kind of wheat stalk ethyl levulinate reactors, including reactor body, the reactor body bottom surface is fixedly installed with multiple footing, it is embedded before the reactor body and observation window is installed, the reactor body side bottom is provided with discharge nozzle, capping is provided on the discharge nozzle, the reactor body top surface is provided with feed pipe, top cover is provided at the top of the feed pipe, the top cover top surface is provided with handle, the feed pipe side is provided with mixing component, and the mixing component is fixed on the top of the reactor body.Beneficial effect is: the utility model is up and down reciprocatingly stirred the intracorporal material of reactor by press by briquetting, the agitating mode circumferentially rotated is replaced by the way of vertically stirring, material is prevented to be attached to the case where being not easily cleaned on reactor body inner wall, lamination when material reaction is avoided simultaneously, has ensured that wheat stalk prepares the reaction efficiency of ethyl levulinate.

Description

A kind of wheat stalk ethyl levulinate reactor

Technical field

The utility model relates to wheat stalk ethyl levulinate apparatus fields, and in particular to a kind of wheat stalk second Acyl ethyl propionate reactor.

Background technique

Ethyl levulinate by cellulose in acid catalytic systems, such as sulfuric acid, to benzene methanesulfonic acid, closed in alcoholic environment At synthesis temperature can generate furfural class by-product such as 5- ethoxyl methyl furfural, 5- hydroxyl between 160 DEG C~200 DEG C, in reaction Methyl furfural etc., wheat stalk are usually used to prepare ethyl levulinate, wheat since itself is rich in cellulose abundant Stalk ethyl levulinate usually carries out in reactor, and reactor is during wheat stalk prepares ethyl levulinate It usually needs to accelerate reaction process using to agitating device.

Applicants have discovered that at least there is following technical problem in the prior art: agitating device generally use axially rotates Agitating mode will lead to material in whipping process and be attached on reactor wall and be not easily cleaned, while whipping process has Apparent lamination and reduce the efficiency that wheat stalk prepares ethyl levulinate.

Utility model content

The purpose of this utility model is that solve the above-mentioned problems and provides a kind of wheat stalk levulic acid second Ester reactor can be led in whipping process with solving agitating device in the prior art generally using the agitating mode axially rotated Material is caused the technical problems such as to be attached on reactor wall and be not easily cleaned.It is excellent in many technical solutions provided by the utility model The technical solution of choosing, which is included, is up and down reciprocatingly stirred the intracorporal material of reactor by press by briquetting, using perpendicular The agitating mode circumferentially rotated is replaced to the mode of stirring, it is therefore prevented that material is attached to the feelings being not easily cleaned on reactor body inner wall The technical effects such as condition, elaboration as detailed below.

To achieve the above object, the utility model provides following technical scheme:

A kind of wheat stalk ethyl levulinate reactor provided by the utility model, including reactor body, it is described anti- It answers body bottom surface to be fixedly installed with multiple footing, is embedded before the reactor body and observation window, the reactor side are installed Face bottom is provided with discharge nozzle, is provided with capping on the discharge nozzle, and the reactor body top surface is provided with feed pipe, it is described into It is provided with top cover at the top of expects pipe, the top cover top surface is provided with handle, and the feed pipe side is provided with mixing component, and described Mixing component is fixed on the top of the reactor body；

The mixing component includes separation sleeve and guide sleeve, and the separation sleeve is fixed on the inside top surface of the reactor body, Mounting groove is offered in the separation sleeve, is fixedly connected by grab with one end of pressure spring in the mounting groove, the pressure spring The other end is connected with limit plate by grab, is provided with compression bar on the inside of the limit plate, the compression bar top is provided with briquetting, institute It states compression bar bottom end and is fixed with bottom plate, the guide sleeve is fixedly mounted on the reactor body top surface, and the guide sleeve and the compression bar Clearance fit.

Using a kind of above-mentioned wheat stalk ethyl levulinate reactor, when in use, holds the handle and remove institute Top cover is stated, smashed wheat stalk and strong acid and ethyl alcohol are put into top described in the reactor body rear enclosed through the feed pipe Lid is heated to being suitable for reaction temperature to the reactor body followed by external heating equipment, in the reactor body Material being synthetically prepared for ethyl levulinate just can be carried out under alcoholic environment, during preparation, need to material When being stirred, the compression bar is pressed by the briquetting and is declined, the compression bar drives bottom end by the guidance of the guide sleeve The bottom plate drops in material, while the compression bar can compress the pressure spring by the limit plate during the decline, The bottom plate unclamps the briquetting after declining a distance, and the compression travel that the pressure spring discharges itself passes through the limit plate band The briquetting self-return is moved, the bottom plate rises to outside material therewith, and briquetting described in such repeated presses can repeatedly drive The bottom plate is back and forth gone up and down in material, and then is realized and be stirred to material, instead of the agitating mode of turnover, Neng Gouyou The reciprocal lifting for preventing from material to be attached to by the effect of centrifugal force being difficult to clear up on inner wall, while passing through the bottom plate of effect Can be avoided material during the reaction be divided into phenomenon, thus promoted wheat stalk prepare ethyl levulinate reaction effect Rate can understand in real time the extent of reaction of material in the reactor body by the observation window, after the reaction was completed openable institute Stating capping is discharged material through the discharge nozzle.

Preferably, the quantity of the footing is four, the footing is fixed or is welded by screw with the reactor body Connect fixation.

Preferably, the material of the observation window is organic glass, the capping is threadably secured with the discharge nozzle.

Preferably, the top cover is threadably secured with the handle, the handle is disk structure.

Preferably, the groove depth of the mounting groove is not more than the compression travel of the pressure spring.

Preferably, the limit plate is solid annular structure, the limit plate and the compression bar transition fit.

Preferably, the briquetting is flexible material, the bottom plate is AND DEWATERING FOR ORIFICE STRUCTURE.

Beneficial effect is: the utility model by briquetting up and down reciprocatingly by press come to the intracorporal material of reactor into Row stirring replaces the agitating mode circumferentially rotated, it is therefore prevented that material is attached to reactor body inner wall by the way of vertically stirring On the case where being not easily cleaned, while lamination when avoiding material reaction ensured that wheat stalk prepares levulic acid second The reaction efficiency of ester.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is that the utility model faces exterior view；

Fig. 2 is that the utility model faces interior view.

The reference numerals are as follows:

1, reactor body；101, observation window；102, footing；103, handle；104, top cover；105, feed pipe；106, it covers； 107, discharge nozzle；2, mixing component；201, briquetting；202, compression bar；203, guide sleeve；204, limit plate；205, separation sleeve；206, pacify Tankage；207, pressure spring；208, bottom plate.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

Referring to shown in Fig. 1-Fig. 2, the utility model provides a kind of wheat stalk ethyl levulinate reactor, including Reactor body 1,1 bottom surface of reactor body are fixedly installed with multiple footing 102, embed before reactor body 1 and be equipped with observation window 101,1 side bottom of reactor body is provided with discharge nozzle 107, and capping 106 is provided on discharge nozzle 107, and 1 top surface of reactor body is set It is equipped with feed pipe 105, top cover 104 is provided at the top of feed pipe 105,104 top surface of top cover is provided with handle 103, feed pipe 105 1 Side is provided with mixing component 2, and mixing component 2 is fixed on the top of reactor body 1；

Mixing component 2 includes separation sleeve 205 and guide sleeve 203, and separation sleeve 205 is fixed on the inside top surface of reactor body 1, every From mounting groove 206 is offered in set 205, it is fixedly connected by grab with one end of pressure spring 207 in mounting groove 206, pressure spring 207 The other end is connected with limit plate 204 by grab, and compression bar 202 is provided on the inside of limit plate 204, and 202 top of compression bar is provided with pressure Block 201,202 bottom end of compression bar are fixed with bottom plate 208, and guide sleeve 203 is fixedly mounted on 1 top surface of reactor body, and guide sleeve 203 and compression bar 202 clearance fits.

Preferably, the quantity of footing 102 is four, footing 102 and reactor body 1 are fixed or are welded by screw solid It is fixed, so set, convenient for the support reactor body 1 consolidated by footing 102.

The material of observation window 101 is organic glass, so set, convenient for understanding material in real time by observation window 101 Extent of reaction, capping 106 are threadably secured with discharge nozzle 107, so set, convenient for passing through 106 control discharge nozzle 107 of capping Open or close.

Top cover 104 is threadably secured with handle 103, and handle 103 is disk structure, so set, convenient for hand-held hand Handle 103 come control top cover 104 remove and security protection.

The groove depth of mounting groove 206 is not more than the compression travel of pressure spring 207, so set, convenient for pressure spring 207 in mounting groove Free extension in 206.

Limit plate 204 is solid annular structure, limit plate 204 and 202 transition fit of compression bar, so set, convenient for limit 202 synchronization lifting of plate 204 and compression bar.

Briquetting 201 is flexible material, so set, bottom plate 208 is convenient for having good sense of touch when pressing briquetting 201 AND DEWATERING FOR ORIFICE STRUCTURE, so set, convenient for promoting stirring efficiency when bottom plate 208 is back and forth gone up and down.

Using the above structure, when in use, it holds handle 103 and removes top cover 104, by smashed wheat stalk and strong acid And ethyl alcohol is put into 1 rear enclosed top cover 104 of reactor body through feed pipe 105, comes followed by external heating equipment to reactor Body 1 is heated to being suitable for reaction temperature, and the material in reactor body 1 just can carry out ethyl levulinate under alcoholic environment It is synthetically prepared, during preparation, when needing to be stirred material, is declined by briquetting 201 by moulded rod 202, compression bar 202 drive the bottom plate 208 of bottom end to drop in material by the guidance of guide sleeve 203, while compression bar 202 during the decline can By 204 compression press spring 207 of limit plate, bottom plate 208 unclamps briquetting 201 after declining a distance, and pressure spring 207 discharges the pressure of itself Indention journey drives 201 self-return of briquetting by limit plate 204, and bottom plate 208 rises to outside material therewith, such repeated presses pressure Bottom plate 208 can be driven back and forth to go up and down in material block more than 201 times, and then realize and material is stirred, instead of turnover Agitating mode, can effectively prevent material to be attached to by the effect of centrifugal force and be difficult to clear up on inner wall, pass through simultaneously The reciprocal lifting of bottom plate 208 can be avoided material during the reaction be divided into phenomenon, so that promoting wheat stalk prepares acetyl The reaction efficiency of ethyl propionate can be understood in real time the extent of reaction of material in reactor body 1 by observation window 101, reacted Material is discharged through discharge nozzle 107 at rear openable capping 106.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims (7)

1. a kind of wheat stalk ethyl levulinate reactor, including reactor body (1), it is characterised in that: the reactor Body (1) bottom surface is fixedly installed with multiple footing (102), embedded before the reactor body (1) to be equipped with observation window (101), institute It states reactor body (1) side bottom to be provided with discharge nozzle (107), be provided with capping (106) on the discharge nozzle (107), it is described Reactor body (1) top surface is provided with feed pipe (105), is provided with top cover (104), the top cover at the top of the feed pipe (105) (104) top surface is provided with handle (103), and feed pipe (105) side is provided with mixing component (2), and the mixing component (2) it is fixed on the top of the reactor body (1)；

The mixing component (2) includes separation sleeve (205) and guide sleeve (203), and the separation sleeve (205) is fixed on the reactor The inside top surface of body (1), the separation sleeve (205) is interior to be offered mounting groove (206), passes through grab in the mounting groove (206) It is fixedly connected with one end of pressure spring (207), the other end of the pressure spring (207) is connected with limit plate (204) by grab, described It is provided with compression bar (202) on the inside of limit plate (204), compression bar (202) top is provided with briquetting (201), the compression bar (202) Bottom end is fixed with bottom plate (208), and the guide sleeve (203) is fixedly mounted on the reactor body (1) top surface, and the guide sleeve (203) with the compression bar (202) clearance fit.

2. a kind of wheat stalk ethyl levulinate reactor according to claim 1, it is characterised in that: the footing (102) quantity is four, and the footing (102) is fixed or is welded and fixed by screw with the reactor body (1).

3. a kind of wheat stalk ethyl levulinate reactor according to claim 1, it is characterised in that: the observation window (101) material is organic glass, and the capping (106) is threadably secured with the discharge nozzle (107).

4. a kind of wheat stalk ethyl levulinate reactor according to claim 1, it is characterised in that: the top cover (104) it is threadably secured with the handle (103), the handle (103) is disk structure.

5. a kind of wheat stalk ethyl levulinate reactor according to claim 1, it is characterised in that: the mounting groove (206) groove depth is not more than the compression travel of the pressure spring (207).

6. a kind of wheat stalk ethyl levulinate reactor according to claim 1, it is characterised in that: the limit plate It (204) is solid annular structure, the limit plate (204) and the compression bar (202) transition fit.

7. a kind of wheat stalk ethyl levulinate reactor according to claim 1, it is characterised in that: the briquetting It (201) is flexible material, the bottom plate (208) is AND DEWATERING FOR ORIFICE STRUCTURE.