Solid-liquid separation device for stevioside preparation

Abstract

The utility model relates to the technical field of stevioside preparation, and discloses a support swing frame and a solid-liquid separation bin, the solid-liquid separation bin is arranged on the inner side of the top of the support swing frame, the solid-liquid separation bin comprises a processing bin, a clamping plate, a connecting block, a fixing rod, a solid-liquid separation plate, an impurity filtering plate, a drawing handle and a liquid discharge pipe, the connecting block is arranged at the top of the treatment bin, the clamping plate is arranged at the end, located on the outer side of the treatment bin, of the connecting block, the fixing rod is fixedly connected to the bottom of the connecting block, the solid-liquid separation plate is fixedly connected to the bottom of the fixing rod, and the impurity filtering plate is installed in the treatment bin and located below the solid-liquid separation plate. According to the solid-liquid separation device for stevioside preparation, the push plate is driven by the air cylinder to move, and the clamped clamping plate can swing under the action of the spring, so that the separation of crystals and liquid is accelerated, and the production efficiency of stevioside is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stevia preparation, in particular to a solid-liquid separation device for stevia preparation. Background Art

[0002] Stevioside, also known as steviol glycoside, is a mixture of eight sugars composed of the same diterpene ligand. It comes from the leaves of Stevia rebaudiana, a plant of the genus Stevia in the Asteraceae family. It is about 200-450 times sweeter than sucrose, but has only 1 / 300 of the calories of sucrose. Under general food processing conditions, it is stable to heat, acid, alkali and salt.

[0003] The crystallization recovery of industrial stevioside mother liquor sugar requires dissolving the stevioside mother liquor sugar in a methanol solution for the first crystallization recovery, filtering and recovering to obtain primary crystallization crystals, and obtaining the primary recovery mother liquor of the mother liquor sugar. New stevioside mother liquor sugar is added to the primary recovery mother liquor to prepare a mother liquor sugar solution, which is subjected to a second crystallization, filtering and recovering to obtain secondary crystallization crystals. The primary crystallization crystals and the secondary crystallization crystals are combined to obtain stevioside. Currently, the primary and secondary crystallization recovery mostly adopts a static placement separation method, which has low separation efficiency and affects the production efficiency of stevioside. Utility Model Content

[0004] The purpose of the present invention is to provide a solid-liquid separation device for preparing stevia to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a solid-liquid separation device for preparing stevia, comprising a supporting swing frame and a solid-liquid separation chamber, wherein the solid-liquid separation chamber is arranged on the inner side of the top of the supporting swing frame.

[0006] The solid-liquid separation bin includes a processing bin, a clamping plate, a connecting block, a fixing rod, a solid-liquid separation plate, an impurity filter plate, a pull-out handle and a drain pipe, wherein the connecting block is arranged at the top of the processing bin, the clamping plate is arranged at one end of the connecting block located outside the processing bin, the fixing rod is fixedly connected to the bottom of the connecting block, the solid-liquid separation plate is fixedly connected to the bottom of the fixing rod, the impurity filter plate is installed inside the processing bin and is located below the solid-liquid separation plate, the pull-out handle is fixedly connected to one end of the impurity filter plate, and the drain pipe is arranged at the bottom of the processing bin, and the solid-liquid separation plate can be taken out from the processing bin through the clamping plate, the solid and liquid are separated by the solid-liquid separation plate, and then the impurity filter plate is used to filter the particulate impurities in the liquid to ensure the solid-liquid separation effect.

[0007] Preferably, the processing bin includes a bin body, a collecting bucket, a mounting rail and a mounting groove, the collecting bucket is fixedly connected to the bottom of the bin body, the mounting rail is fixedly connected to the inside of the bin body, the mounting groove is opened on one side of the bin body and is located at one end of the mounting rail, and the mounting rail is used to install the impurity filter plate, so that the mounting groove facilitates the disassembly and assembly of the impurity filter plate, and facilitates the filtering and cleaning of impurities on the impurity filter plate.

[0008] Preferably, the support swing frame includes a support frame, a fixed base plate, a groove, a spring, a top plate, a cylinder, a telescopic rod and a push plate, the fixed base plate is fixedly connected to the bottom of the support frame, the groove is opened on the inner side of the top of the support frame, the spring is fixedly connected to the inside of the groove, the top plate is fixedly connected to one end of the spring, the cylinder is fixedly connected to one end inside the top of the support frame, the telescopic rod is arranged at one end of the cylinder, and the push plate is fixedly connected to one end of the telescopic rod. The push plate is driven to move by the cylinder, and with the action of the spring, the clamped clamping plate can be swung, thereby accelerating the separation of crystals and liquid, and improving the production efficiency of stevia.

[0009] Preferably, a gripping groove is provided on the outer side of the clamping plate, so that the solid-liquid separation plate can be taken out from the interior of the processing chamber through the gripping groove, thereby facilitating the removal of the crystals.

[0010] Preferably, the shape of the collecting hopper is inwardly contracted, so that the recovered mother liquor can be diverted to facilitate recovery from the drain pipe.

[0011] Preferably, the width of the clamping plate is smaller than the width of the groove, the bottom of the clamping plate is placed inside the groove, and the clamping plate is located on the inner side of the push plate and the top plate, which facilitates the movement of the clamping plate and allows the solid-liquid separation plate to swing inside the processing chamber.

[0012] Preferably, the size of the solid-liquid separation plate is smaller than the size of the processing chamber, so as to facilitate the swinging of the solid-liquid separation plate in the processing chamber.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The solid-liquid separation device for stevia preparation uses a cylinder to drive the push plate to move, and with the action of the spring, the clamping plate can be swung, thereby accelerating the separation of crystals and liquid and improving the production efficiency of stevia.

[0015] 2. The solid-liquid separation device for preparing stevia separates solid and liquid through a solid-liquid separation plate, and then uses an impurity filter plate to filter out particulate impurities in the liquid to ensure the effect of solid-liquid separation. The impurity filter plate is installed through an installation rail, so that the installation groove facilitates the disassembly and assembly of the impurity filter plate, making it convenient to filter and clean impurities on the impurity filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a structural diagram of the solid-liquid separation bin of the utility model;

[0018] Figure 3 This is a structural diagram of the support swing frame of the utility model;

[0019] Figure 4 This is a structural diagram of the processing bin of the utility model.

[0020] In the figure: 1. Support swing frame; 2. Solid-liquid separation chamber; 101. Support frame; 102. Fixed bottom plate; 103. Groove; 104. Spring; 105. Top plate; 106. Cylinder; 107. Telescopic rod; 108. Push plate; 201. Processing chamber; 202. Snap-in plate; 203. Connecting block; 204. Fixed rod; 205. Solid-liquid separation plate; 206. Impurity filter plate; 207. Pull-out handle; 208. Drain pipe; 210. Chamber body; 211. Collecting bucket; 212. Mounting rail; 213. Mounting groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-4 The utility model provides a technical solution: a solid-liquid separation device for preparing stevia, comprising a supporting swing frame 1 and a solid-liquid separation bin 2, wherein the solid-liquid separation bin 2 is arranged on the inner side of the top of the supporting swing frame 1.

[0023] The solid-liquid separation chamber 2 includes a processing chamber 201, a clamping plate 202, a connecting block 203, a fixing rod 204, a solid-liquid separation plate 205, an impurity filter plate 206, a pull-out handle 207 and a drain pipe 208. The connecting block 203 is arranged on the top of the processing chamber 201, the clamping plate 202 is arranged at one end of the connecting block 203 located outside the processing chamber 201, the fixing rod 204 is fixedly connected to the bottom of the connecting block 203, the solid-liquid separation plate 205 is fixedly connected to the bottom of the fixing rod 204, and the impurity filter plate 206 is installed inside the processing chamber 201 and is located at the solid-liquid separation plate 206. 05, a pull-out handle 207 is fixedly connected to one end of the impurity filter plate 206, and a drain pipe 208 is arranged at the bottom of the processing chamber 201. The solid-liquid separation plate 205 can be taken out from the processing chamber 201 through the clamping plate 202, and the solid and liquid are separated by the solid-liquid separation plate 205. Then, the impurity filter plate 206 is used to filter the particulate impurities in the liquid to ensure the effect of solid-liquid separation. A grip groove is provided on the outside of the clamping plate 202, which is convenient for taking out the solid-liquid separation plate 205 from the inside of the processing chamber 201 through the grip groove, so as to facilitate the removal of the crystals.

[0024] The processing bin 201 includes a bin body 210, a collecting bucket 211, a mounting rail 212 and a mounting groove 213. The collecting bucket 211 is fixedly connected to the bottom of the bin body 210, and the mounting rail 212 is fixedly connected to the inside of the bin body 210. The mounting groove 213 is opened on one side of the bin body 210 and is located at one end of the mounting rail 212. The mounting rail 212 is used to install the impurity filter plate 206, so that the mounting groove 213 is convenient for disassembly and assembly of the impurity filter plate 206, and convenient for filtering and cleaning impurities on the impurity filter plate 206. The shape of the collecting bucket 211 shrinks inward, which can divert the recovered mother liquor and facilitate recovery from the drain pipe 208.

[0025] The support swing frame 1 includes a support frame 101, a fixed base plate 102, a groove 103, a spring 104, a top plate 105, a cylinder 106, a telescopic rod 107 and a push plate 108. The fixed base plate 102 is fixedly connected to the bottom of the support frame 101, the groove 103 is opened on the inner side of the top of the support frame 101, the spring 104 is fixedly connected to the inside of the groove 103, the top plate 105 is fixedly connected to one end of the spring 104, the cylinder 106 is fixedly connected to one end of the inner part of the top of the support frame 101, the telescopic rod 107 is set at one end of the cylinder 106, and the push plate 108 is fixedly connected to one end of the telescopic rod 107. The push plate 108 is driven to move, and with the action of the spring 104, the connected snap-in plate 202 can be swung, thereby accelerating the separation of crystals and liquids and improving the production efficiency of stevia. The width of the snap-in plate 202 is smaller than the width of the groove 103, and the bottom of the snap-in plate 202 is placed inside the groove 103. The snap-in plate 202 is located on the inner side of the push plate 108 and the top plate 105, which facilitates the movement of the snap-in plate 202, thereby allowing the solid-liquid separation plate 205 to swing inside the processing chamber 201. The size of the solid-liquid separation plate 205 is smaller than the size of the processing chamber 201, which facilitates the solid-liquid separation plate 205 to swing inside the processing chamber 201.

[0026] When in use, stevia is dissolved in methanol solution, and then the material in the solution mixing vessel is poured onto the solid-liquid separation plate 205, and then the push plate 108 is driven to move by the cylinder 106, and the top plate 105 is cooperated to make the clamping plate 202 move left and right, and the solid-liquid separation plate 205 is driven to move left and right in the processing chamber 201 by the connecting block 203, so as to accelerate the separation of crystallization and recovery mother liquor, and the separated mother liquor is separated for secondary separation by the impurity filter plate 206, and after the particles are separated and filtered, they are discharged and recovered through the drain pipe 208, and the clamping plate 202 is taken out through the grip groove, and the solid-liquid separation plate 205 and the crystals are taken out from the processing chamber 201 to complete the solid-liquid separation.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A solid-liquid separation device for preparing stevia, comprising a supporting swing frame (1) and a solid-liquid separation chamber (2), characterized in that: The solid-liquid separation chamber (2) is arranged on the inner side of the top of the supporting swing frame (1); The solid-liquid separation chamber (2) comprises a processing chamber (201), a clamping plate (202), a connecting block (203), a fixing rod (204), a solid-liquid separation plate (205), an impurity filter plate (206), a pull-out handle (207) and a drain pipe (208), wherein the connecting block (203) is arranged at the top of the processing chamber (201), the clamping plate (202) is arranged at one end of the connecting block (203) located outside the processing chamber (201), the fixing rod (204) is fixedly connected to the bottom of the connecting block (203), the solid-liquid separation plate (205) is fixedly connected to the bottom of the fixing rod (204), the impurity filter plate (206) is installed inside the processing chamber (201) and is located below the solid-liquid separation plate (205), the pull-out handle (207) is fixedly connected to one end of the impurity filter plate (206), and the drain pipe (208) is arranged at the bottom of the processing chamber (201).

2. The solid-liquid separation device for preparing stevia according to claim 1, characterized in that: The processing bin (201) comprises a bin body (210), a collecting hopper (211), a mounting rail (212) and a mounting groove (213); the collecting hopper (211) is fixedly connected to the bottom of the bin body (210); the mounting rail (212) is fixedly connected to the interior of the bin body (210); and the mounting groove (213) is opened on one side of the bin body (210) and is located at one end of the mounting rail (212).

3. The solid-liquid separation device for preparing stevia according to claim 1, characterized in that: The support swing frame (1) comprises a support frame (101), a fixed bottom plate (102), a groove (103), a spring (104), a top plate (105), a cylinder (106), a telescopic rod (107) and a push plate (108), wherein the fixed bottom plate (102) is fixedly connected to the bottom of the support frame (101), the groove (103) is opened on the inner side of the top of the support frame (101), the spring (104) is fixedly connected to the inside of the groove (103), the top plate (105) is fixedly connected to one end of the spring (104), the cylinder (106) is fixedly connected to one end inside the top of the support frame (101), the telescopic rod (107) is arranged at one end of the cylinder (106), and the push plate (108) is fixedly connected to one end of the telescopic rod (107).

4. The solid-liquid separation device for preparing stevia according to claim 1, characterized in that: A gripping groove is provided on the outer side of the clamping plate (202), so as to facilitate taking the solid-liquid separation plate (205) out of the interior of the processing chamber (201) through the gripping groove.

5. The solid-liquid separation device for preparing stevia according to claim 2, characterized in that: The shape of the collecting hopper (211) is inwardly contracted, and can guide the recovered mother liquor.

6. The solid-liquid separation device for preparing stevia according to claim 1, characterized in that: The width of the clamping plate (202) is smaller than the width of the groove (103), the bottom of the clamping plate (202) is placed inside the groove (103), and the clamping plate (202) is located on the inner side of the push plate (108) and the top plate (105).

7. The solid-liquid separation device for preparing stevia according to claim 1, characterized in that: The size of the solid-liquid separation plate (205) is smaller than the size of the processing chamber (201).

Images