Lignin extraction device

Abstract

The utility model discloses a lignin extraction device and belongs to the technical field of lignin processing equipment. The top of a reaction tank is provided with a feed port, and the bottom of the reaction tank is provided with a liquid outlet; the partition plate is fixedly arranged in the reaction tank and divides the reaction tank into a reaction chamber and a purification chamber, and a discharge hole is formed in the middle of the partition plate; the opening and closing assembly is slidably and hermetically connected to the bottom of the partition plate, corresponds to the discharge hole and is used for controlling the discharge capacity of materials in the reaction chamber; the filter plate is obliquely fixed in the purification chamber; the pressing plate is movably arranged in the purification chamber and is used for extruding materials on the filter plate; a closable discharge port is formed in the reaction tank, and the discharge port is propped against one side, which is inclined downwards, of the filter plate. According to the utility model, the discharge capacity and the number of times of the solution in the reaction chamber are controlled by arranging the opening and closing assembly, so that the problems that the lignin extraction device does not have a fractional extraction function and the extraction and blanking frequency of lignin is inconvenient to control are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lignin processing equipment technical field especially relates to a lignin extraction device. BACKGROUND

[0002] Lignin is a kind of complex organic polymer, exists in the wood of plant, and the content in hard tissue such as wood is more.Chemically, lignin is cross-linked phenolic polymer and can be dissolved in strong alkali and sulfite solution.In chemical industry, it can be used as the additive of thermoplastic plastic such as epoxy resin, rubber, etc.;in animal husbandry, it can be used as the additive of animal feed;in industry, it can be used as the reinforcing agent of refractory material, the binder of mineral powder, the water-reducing agent of concrete, etc.

[0003] But the existing lignin extraction device does not have the function of extracting by turns, and it is inconvenient to control the extraction and discharging frequency of lignin, so it is difficult to meet the actual extraction demand of different stages.

[0004] Therefore, it is necessary to develop a lignin extraction device aiming at the above-mentioned defects. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a lignin extraction device to solve the problem that the existing lignin extraction device does not have the function of extracting by turns and is inconvenient to control the extraction and discharging frequency of lignin.

[0006] To solve the above technical problem, the utility model adopts the following technical scheme:

[0007] The utility model relates to a lignin extraction device, which comprises:

[0008] A reaction tank is provided with a feed inlet at the top and a liquid discharge port at the bottom;

[0009] A partition plate is fixedly arranged in the reaction tank and divides the reaction tank into a reaction chamber and a purification chamber, and a discharge hole is formed in the middle of the partition plate;

[0010] An opening and closing assembly is slidingly and sealingly connected to the bottom of the partition plate and is arranged corresponding to the discharge hole, and is used to control the discharge amount of the material in the reaction chamber;

[0011] A filter plate is obliquely fixed in the purification chamber;

[0012] A pressing plate is movably arranged in the purification chamber and is used to press the material on the filter plate;

[0013] A closable discharge port is formed on the reaction tank, and the discharge port abuts against the side of the filter plate that is inclined downward.

[0014] Further, the opening and closing assembly comprises:

[0015] Corresponding to the first slide rail and the second slide rail arranged on both sides of the discharge hole, the first slide rail and the second slide rail are fixedly connected with the bottom of the partition plate respectively;

[0016] The first slide rail and the second slide rail are slidably provided with a first baffle and a second baffle which are symmetrical to each other, and the first baffle and the second baffle are slidably and sealingly connected with the bottom of the partition plate respectively;

[0017] A first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod are sequentially arranged below the second slide rail;

[0018] One end of the first connecting rod is hingedly connected with the bottom of the partition plate, and the other end of the first connecting rod is hingedly connected with the second baffle;

[0019] One end of the second connecting rod is hingedly connected with the bottom of the partition plate and has a plurality of first gear teeth, and the other end of the second connecting rod is hingedly connected with the second baffle; the second connecting rod is parallel to the first connecting rod;

[0020] One end of the third connecting rod is hingedly connected with the bottom of the partition plate and has a plurality of second gear teeth meshing with the first gear teeth, and the other end of the third connecting rod is hingedly connected with the first baffle;

[0021] One end of the fourth connecting rod is hingedly connected with the bottom of the partition plate and has a holding portion extending to the outside of the reaction tank, and the other end of the fourth connecting rod is hingedly connected with the first baffle; the fourth connecting rod is parallel to the third connecting rod.

[0022] Further, the reaction tank is connected with a driving cylinder outside, and a driving end of the driving cylinder is fixedly connected with the side of the pressing plate away from the filter plate.

[0023] Further, a long circular hole is formed in the side of the reaction tank close to the holding portion.

[0024] Further, a plurality of leg supports are arranged on the circumference of the reaction tank outside.

[0025] Further, the purification chamber is a structure inclined downward.

[0026] Further, the liquid discharge port is a funnel-shaped structure, and the filter plate is fixedly connected to the top of the funnel-shaped structure.

[0027] The utility model has the advantages of:

[0028] 1、The utility model discloses a solution discharge quantity and times in the reaction chamber are controlled through setting opening and closing assembly, solve the problem that lignin extraction device does not have the function of extracting in batches, and the extraction of lignin is not convenient to control the frequency of discharging.

[0029] 2、 The utility model discloses a filter plate is set up obliquely, realizes that lignin directly slides to the discharge gate, and it is convenient to collect lignin. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is whole structure schematic diagram of the utility model lignin extraction device;

[0031] Figure 2 It is the inside part sectional view structure schematic diagram of the utility model reaction tank;

[0032] Figure 3 It is the bottom view of the utility model open and close subassembly Figure 1 ;

[0033] Figure 4 It is the bottom view of the utility model open and close subassembly Figure 2 .

[0034] Fig. 1, reaction tank;101, reaction chamber;102, purification chamber;103, feed inlet;104, discharge port;105, liquid discharge port;2, partition;201, discharge hole;3, open and close subassembly;301, first sliding rail;302, second sliding rail;303, first connecting rod;304, second connecting rod;305, third connecting rod;306, fourth connecting rod;307, first baffle;308, second baffle;4, drive cylinder;5, filter plate;6, leg support;7, pressing plate. DETAILED DESCRIPTION

[0035] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model.

[0036] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0037] Example one

[0038] Please refer to Figures 1-4 , the utility model provides a technical scheme: a lignin extraction device, include: reaction tank 1 top is provided with feed inlet 103, bottom is provided with liquid discharge port 105;Liquid discharge port 105 preferably is funnel structure. Reaction tank 1 outside circumference is provided with a plurality of leg support 6 for fixed support reaction tank 1.

[0039] The partition plate 2 is fixedly arranged in the reaction tank 1 and divides the reaction tank 1 into a reaction chamber 101 and a purification chamber 102, and a discharge hole 201 is arranged in the middle of the partition plate 2; the purification chamber 102 is in an inclined downward structure.

[0040] The opening and closing assembly 3 is slidingly and sealingly connected to the bottom of the partition plate 2 and is arranged in correspondence with the discharge hole 201, and is used for controlling the discharge amount and frequency of the material in the reaction chamber 101.

[0041] The filter plate 5 is fixedly arranged in the purification chamber 102 and is fixedly connected to the top of the funnel-shaped structure.

[0042] The pressing plate 7 is movably arranged in the purification chamber 102 and is used for extruding the material on the filter plate 5; the driving cylinder 4 is connected to the outside of the reaction tank 1, and the driving end of the driving cylinder 4 is fixedly connected to the side of the pressing plate 7 away from the filter plate 5, and is used for driving the pressing plate 7 to extrude or move away from the filter plate 5.

[0043] The closable discharge port 104 is arranged on the reaction tank 1 and abuts against the side of the filter plate 5 inclined downward, and the lignin is separated from the solution and slides along the downward inclined filter plate 5 to the discharge port 104, and the lignin can be conveniently collected by opening the discharge port 104.

[0044] Compared with the prior art, the opening and closing assembly 3 is arranged to control the discharge amount and frequency of the solution in the reaction chamber 101, so that the lignin extraction device does not have the function of extracting in batches, and the problem that the lignin extraction discharge frequency is not convenient to control is solved; the filter plate 5 is arranged in an inclined manner, so that the lignin directly slides to the discharge port 104, and the collection of the lignin is facilitated.

[0045] Embodiment two

[0046] Please refer to Figures 1-4 On the basis of embodiment one, the utility model provides a technical scheme: the opening and closing assembly 3 includes: the first sliding rail 301 and the second sliding rail 302 corresponding arranged on both sides of the discharge hole 201, and the first sliding rail 301 and the second sliding rail 302 are fixedly connected with the bottom of the partition plate 2 respectively.

[0047] The first baffle 307 and the second baffle 308 are slidingly arranged between the first sliding rail 301 and the second sliding rail 302 and are mutually symmetrical, and the first baffle 307 and the second baffle 308 are slidingly and sealingly connected with the bottom of the partition plate 2 respectively, and are used for opening or closing the discharge hole 201, so as to control the discharge amount of the solution in the reaction chamber 101.

[0048] The first connecting rod 303, the second connecting rod 304, the third connecting rod 305 and the fourth connecting rod 306 are sequentially arranged below the second sliding rail 302.

[0049] One end of the first connecting rod 303 is hinged to the bottom of the partition plate 2, and the other end of the first connecting rod 303 is hinged to the second baffle 308;

[0050] One end of the second connecting rod 304 is hinged to the bottom of the partition plate 2 and has a plurality of first teeth, and the other end of the second connecting rod 304 is hinged to the second baffle 308; the second connecting rod 304 is parallel to the first connecting rod 303;

[0051] One end of the third connecting rod 305 is hinged to the bottom of the partition plate 2 and has a plurality of second teeth meshing with the first teeth, and the other end of the third connecting rod 305 is hinged to the first baffle 307;

[0052] One end of the fourth connecting rod 306 is hinged to the bottom of the partition plate 2 and has a holding portion extending to the outside of the reaction tank 1, and the reaction tank 1 is provided with an oblong hole near the holding portion.

[0053] The other end of the fourth connecting rod 306 is hinged to the first baffle 307; the fourth connecting rod 306 is parallel to the third connecting rod 305.

[0054] Compared with the prior art, the fourth connecting rod 306 drives the first baffle 307 to rotate, the first baffle 307 drives the third connecting rod 305 to rotate, the second teeth mesh with the first teeth to drive the second connecting rod 304 to rotate, the second connecting rod 304 drives the second baffle 308 to rotate, and the first connecting rod 303 is rotated at the same time, so that the first baffle 307 and the second baffle 308 are opened and closed, thereby controlling the solution discharge amount and times in the reaction chamber 101.

[0055] Example Three

[0056] The embodiment provides a use method of the lignin extraction device, and the use method of the lignin extraction device provided in the embodiment one or the embodiment two is as follows:

[0057] When the reaction chamber 101 is reacted, the first baffle 307 and the second baffle 308 are combined and in sealing connection with the bottom of the partition plate 2, so that the mixed solution is prevented from flowing out of the discharge hole 201.

[0058] When the reaction in the reaction chamber 101 is completed and the lignin is precipitated, the fourth connecting rod 306 drives the first baffle 307 to rotate, the first baffle 307 drives the third connecting rod 305 to rotate, the second gear teeth mesh with the first gear teeth to drive the second connecting rod 304 to rotate, the second connecting rod 304 drives the second baffle 308 to rotate, and the first connecting rod 303 is also driven to rotate, so as to realize the separation of the first baffle 307 and the second baffle 308, and a certain amount of mixed solution flows from the reaction chamber 101 into the purification chamber 102. Subsequently, the liquid is filtered through the filter plate 5 and discharged from the liquid discharge port 105, and the lignin slides along the downwardly inclined filter plate 5 to the discharge port 104. The driving cylinder 4 is opened to drive the pressing plate 7 to extrude the moist lignin on the filter plate 5, so that the liquid can be filtered through the filter plate 5 as much as possible, and finally the discharge port 104 is opened to collect the lignin.

[0059] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between the various embodiments can be referred to each other. For the device disclosed by the embodiments, since it corresponds to the method disclosed by the embodiments, the description is relatively simple, and the related parts can be referred to the method part.

[0060] The above-described embodiments are only used to describe the preferred modes of the present application, and do not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements of the technical solutions of the present application made by those skilled in the art shall fall within the protection scope determined by the claims of the present application.

Claims

1. A lignin extraction device, characterized in that, include: The reaction tank (1) is provided with a feed port (103) at the top and a liquid discharge port (105) at the bottom; A partition plate (2) is fixedly arranged in the reaction tank (1) and divides the reaction tank (1) into a reaction chamber (101) and a purification chamber (102); a discharge hole (201) is provided in the middle of the partition plate (2); an opening and closing assembly (3) which is slidingly and sealingly connected to the bottom of the partition plate (2) and is arranged corresponding to the discharge hole (201), and is used to control the discharge volume of the material in the reaction chamber (101); A filter plate (5) is fixed obliquely in the purification chamber (102); a pressing plate (7) movably disposed in the purification chamber (102) for pressing the material on the filter plate (5); A closable discharge port (104) is provided on the reaction tank (1), and the discharge port (104) abuts against a downwardly inclined side of the filter plate (5).

2. The lignin extraction device according to claim 1, characterized in that The opening and closing assembly (3) comprises: A first slide rail (301) and a second slide rail (302) are correspondingly arranged on both sides of the discharge hole (201), and the first slide rail (301) and the second slide rail (302) are respectively fixedly connected to the bottom of the partition plate (2); A first baffle (307) and a second baffle (308) symmetrical to each other are slidably provided between the first slide rail (301) and the second slide rail (302), and the first baffle (307) and the second baffle (308) are respectively slidably and sealedly connected to the bottom of the partition plate (2); A first connecting rod (303), a second connecting rod (304), a third connecting rod (305) and a fourth connecting rod (306) are sequentially arranged below the second slide rail (302); One end of the first connecting rod (303) is hinged to the bottom of the partition plate (2), and the other end of the first connecting rod (303) is hinged to the second baffle (308); One end of the second connecting rod (304) is hinged to the bottom of the partition plate (2) and has a plurality of first gear teeth; the other end of the second connecting rod (304) is hinged to the second baffle (308); the second connecting rod (304) is parallel to the first connecting rod (303); One end of the third connecting rod (305) is hinged to the bottom of the partition plate (2) and has a plurality of second gear teeth that mesh with the first gear teeth; the other end of the third connecting rod (305) is hinged to the first baffle (307); One end of the fourth connecting rod (306) is hinged to the bottom of the partition plate (2) and has a gripping portion extending to the outside of the reaction tank (1), and the other end of the fourth connecting rod (306) is hinged to the first baffle (307); the fourth connecting rod (306) is parallel to the third connecting rod (305).

3. The lignin extraction device according to claim 2, characterized in that The outside of the reaction tank (1) is connected to a driving cylinder (4), and the driving end of the driving cylinder (4) is fixedly connected to a side of the pressing plate (7) away from the filter plate (5).

4. The lignin extraction device according to claim 2, characterized in that The reaction tank (1) is provided with an oblong hole on one side close to the gripping portion.

5. The lignin extraction device according to claim 1, characterized in that A plurality of leg frames (6) are provided on the outer circumference of the reaction tank (1).

6. The lignin extraction device according to claim 1, characterized in that The purification chamber (102) is a downwardly inclined structure.

7. The lignin extraction device according to claim 1, characterized in that The liquid discharge port (105) is a funnel-shaped structure, and the filter plate (5) is fixedly connected to the top of the funnel-shaped structure.

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