Solid-liquid separation membrane equipment for extracting amino acid by hydrolysis method

Abstract

The utility model relates to solid-liquid separation membrane equipment for extracting amino acid by a hydrolysis method, which comprises a rack, the washing assembly comprises sliding rails symmetrically and fixedly arranged on the two sides of the rack, a sliding block capable of moving along the sliding rails is installed on the sliding rails, a water storage tank is fixedly arranged on the other side face of the sliding block, and a plurality of water supply pipes are fixedly installed on the top face of the water storage tank; a spraying head over against a plate frame of the plate-and-frame filter press is fixedly arranged on the inner circumferential surface of the water supply pipe; the moving assembly comprises racks symmetrically and fixedly arranged on the two sides of the rack, a rotary power mechanism is installed on the side wall of one water storage tank, and a driven gear shaft is installed on the side wall of the other water storage tank; water flow flushing is adopted to replace a traditional filter cake pressing link, tedious steps such as air inflation, pressure maintaining and plate frame pulling are omitted, time consumed for solid-liquid separation of the same batch of amino acid solutions is greatly shortened, the production rhythm is accelerated, and the overall production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to amino acid preparation technical field, concretely is a kind of hydrolysis method extraction amino acid with solid-liquid separation membrane equipment. BACKGROUND

[0002] In the production process of hydrolysis method extraction amino acid, solid-liquid separation is a vital link, and the traditional solid-liquid separation method is mostly plate-and-frame filter press, and the hydrolyzed amino acid solution is sent to plate-and-frame filter press by pressure, and the filtered amino acid solution is conveyed to downstream production line for further purification, however, when the plate-and-frame filter press is used for solid-liquid separation of amino acid solution, especially in the stage after filtration and before the feeding of the next batch of amino acid solution, the plate-and-frame filter press is generally inflated, so that the filter membrane on the plate frame is extruded towards both sides, the solid waste between the filter membranes of two plate frames is clamped, thereby forming filter cake, and when the plate frame is pulled apart by the cylinder, the filter cake falls under the plate-and-frame filter press by gravity, thereby completing the whole process;

[0003] However, the hardness of solid waste in amino acid solution is small, so it is difficult to form complete filter cake even if it is pressed by the filter membrane on the plate frame, that is, when the plate-and-frame filter press is used for solid-liquid separation of amino acid solution, it is not necessary to press the solid waste into filter cake, and the amino acid solid waste on the plate frame filter membrane can be washed away by water spray method, and compressed gas is not needed, and the filter cake does not need to be pressed; Therefore, the equipment in our factory is technically improved to meet the solid-liquid separation requirements of hydrolysis method extraction of amino acid. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem of the prior art, provides a kind of plate-and-frame filter press is used to the solid-liquid separation of hydrolyzed amino acid solution, especially in the link that plate-and-frame filter press is pressed into filter cake to solid waste, because the hardness of impurity in amino acid solution is low, so this link is replaced into water flow washing link, without pressing solid waste, the time consumption of solid-liquid separation of the same batch of amino acid solution is greatly shortened, thereby improving the production capacity of hydrolysis method extraction amino acid with solid-liquid separation membrane equipment.

[0005] The technical problem solved by the utility model is solved by the following technical scheme, a kind of hydrolysis method extraction amino acid with solid-liquid separation membrane equipment, it includes frame, it has on it;

[0006] Plate-and-frame filter press, plate-and-frame filter press is located on the top of frame, and it is used to be equipped for the solid-liquid separation of amino acid solution;

[0007] The flushing assembly comprises slide rails symmetrically fixed on both sides of the frame, the installation direction of the slide rails is parallel to the moving direction of the plate frame of the plate-and-frame filter, the slide rails are provided with slide blocks capable of moving along the slide rails, the other side of the slide blocks is fixed with water storage tanks, the top surface of the water storage tanks is fixedly provided with a plurality of water supply pipes, one end of the water supply pipes extends into the water storage tanks, the other end of the water supply pipes is provided with a flange plate, and the inner circumferential surface of the water supply pipes is fixedly provided with spray heads opposite to the plate frame of the plate-and-frame filter.

[0008] The moving assembly comprises racks symmetrically fixed on both sides of the frame, the racks are parallel to the slide rails and located below the slide rails, one side wall of one of the water storage tanks is provided with a rotary power mechanism, the power output end of the rotary power mechanism is engaged with the racks through a spur gear, and the side wall of the other water storage tank is rotatably provided with a driven gear shaft capable of engaging with the racks through a rotary bearing.

[0009] The technical problems to be solved by the utility model can also be solved by the following technical solutions, the top surface of each water storage tank is provided with three water supply pipes, and the spacing between the left and right adjacent two water supply pipes is the width of the plate frame of the plate-and-frame filter.

[0010] The technical problems to be solved by the utility model can also be solved by the following technical solutions, the top surface of each water storage tank is provided with three water supply pipes, and the spacing between the left and right adjacent two water supply pipes is the width of the plate frame of the plate-and-frame filter.

[0011] The technical problems to be solved by the utility model can also be solved by the following technical solutions, the top surface of each water storage tank is provided with three water supply pipes, and the spacing between the left and right adjacent two water supply pipes is the width of the plate frame of the plate-and-frame filter.

[0012] Compared with the prior art, the utility model has the beneficial technical effects that:

[0013] (1) by adopting water flow flushing to replace the traditional filter cake pressing link, the steps such as inflation, pressure maintaining, plate frame opening are omitted, the time consumption of the solid-liquid separation of the same batch of amino acid solution is greatly shortened, which not only accelerates the production rhythm, but also improves the overall production efficiency;

[0014] (2) since the solid waste does not need to be pressed, the use of compressed gas and energy consumption are reduced, compared with the traditional mechanical pressing, the water flow flushing is more economical, the equipment wear and maintenance cost are reduced, and the service life of the equipment is prolonged;

[0015] (3) the flushing assembly can be driven by the moving assembly to move along the slide rail, so that the filter membrane of the plate-and-frame filter is moved and washed, and the end of the water supply pipe located on both sides of the plate-and-frame filter can be detachably connected through the flange plate, so that the water supply pipe is convenient to install and disassemble, and any water supply pipe can be installed and replaced, and the adaptability is high. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a front view structural schematic diagram of the utility model;

[0017] Fig. 2 It is a side view structural schematic diagram of the flushing assembly of the utility model.

[0018] The reference signs are as follows: 1, rack; 2, plate-and-frame filter; 3, slide rail; 4, sliding block; 5, water storage tank; 6, water supply pipe; 7, flange plate; 8, spray head; 9, rack gear; 10, rotary power mechanism; 11, driven gear shaft; 12, plate frame; 13, support beam; 14, sewage tank. DETAILED DESCRIPTION

[0019] The specific technical scheme of the utility model is further described below with reference to the drawings, so that the person skilled in the art can further understand the utility model, and it does not constitute a limitation on the right.

[0020] Embodiment 1, refer to Figs. 1-2 A solid-liquid separation membrane equipment for extracting amino acid by hydrolysis method, comprising a rack 1, the rack 1 is formed into a square frame structure, and is provided with;

[0021] A plate-and-frame filter 2, the plate-and-frame filter 2 is a prior art, and its specification and model can be selected according to the use requirement, the plate-and-frame filter 2 is located on the top of the rack 1, and is provided for solid-liquid separation of amino acid solution;

[0022] The flushing assembly comprises slide rails 3 symmetrically and fixedly arranged on both sides of the frame 1, the mounting direction of the slide rails 3 is parallel to the moving direction of the plate frame 12 of the plate-and-frame filter press 2, slide blocks 4 movable along the slide rails 3 are mounted on the slide rails 3, water storage tanks 5 are fixedly arranged on the other side of the slide blocks 4, the bottom wall of the water storage tank 5 is provided with a pump for supplying water to the water supply pipes, a plurality of water supply pipes 6 are fixedly mounted on the top surface of the water storage tank 5, three water supply pipes 6 are arranged on the top surface of each water storage tank 5, the interval between the left and right adjacent two water supply pipes 6 is the width of the plate frame 12 of the plate-and-frame filter press 2, one end of the water supply pipe 6 extends into the water storage tank 5, the other end is closed and fixedly provided with a flange plate 7, the top flanges of the water supply pipes 6 on the top of the two water storage tanks 5 are connected, and spray heads 8 opposite to the plate frame 12 of the plate-and-frame filter press 2 are fixedly arranged on the inner circumferential surface of the water supply pipe 6, water is sprayed by the spray heads 8, and two groups of spray heads 8 are arranged on the inner circumferential surface of each water supply pipe 6 and face the left and right sides of the water supply pipe 6 respectively;

[0023] The moving assembly comprises rack gears 9 symmetrically and fixedly arranged on both sides of the frame 1, the rack gears 9 are parallel to and below the slide rails 3, a rotary power mechanism 10 is mounted on the side wall of one of the water storage tanks 5, the rotary power mechanism 10 can be a servo motor and can be controlled by an external servo motor controller, the power output end of the rotary power mechanism 10 is engaged with the rack gear 9 through a spur gear, and a driven gear shaft 11 engageable with the rack gear 9 is rotatably mounted on the side wall of the other water storage tank 5 through a rotary bearing;

[0024] The flushing assembly can be driven by the moving assembly to move along the slide rails 3, so that the plate frame filter membrane of the plate-and-frame filter press 2 is moved and washed, and the end portions of the water supply pipes 6 on both sides of the plate-and-frame filter press can be detachably connected through the flange plates 7, so that the water supply pipes 6 can be easily mounted and replaced, and the adaptability is high;

[0025] In order to make the amino acid solid-liquid separation process more environmentally friendly, a support beam 13 is fixedly arranged on the frame 1 below the plate-and-frame filter press 2, the support beam 13 is formed into a square beam body, and a sewage tank 14 for receiving sewage formed after the flushing of the flushing assembly is fixedly mounted on the top surface of the support beam 13.

[0026] The principle of using the solid-liquid separation membrane equipment in the hydrolysis method for extracting amino acids in Example 1 is as follows: the amino acid solution after hydrolysis is delivered to the feed inlet of the plate and frame filter press 2 to start the solid-liquid separation operation, and after the solid-liquid separation operation, the air cylinder of the plate and frame filter press drives all the plate frames 12 to separate, at this time, the rotary power mechanism 10 is started, the power output end of the rotary power mechanism 10 is engaged with the rack 9 through the spur gear, to drive the flushing assembly to move along the installation direction of the rack 9, the moving speed can be set to 3-5 cm / s, during the movement of the flushing assembly, the water in the water storage tank 5 can be pumped through the spray heads 8 on the water supply pipes 6 to the plate frame filter membranes on the plate and frame filter press 2 through the pump built in the bottom wall of the water storage tank 5, so as to flush away the impurities attached to the plate frame filter membranes, because the water supply pipes 6 are provided with three, and each water supply pipe 6 is provided with two groups of spray heads 8, so the impurities on the plate frame filter membranes can be flushed to the maximum extent, and the sewage formed after flushing falls into the sewage tank 14 below the plate and frame filter press 2 by gravity, so that the current batch of amino acid solid-liquid separation process is completed;

[0027] By using water flow flushing instead of the traditional filter cake pressing link, the cumbersome steps such as inflation, pressure maintenance, and plate frame 12 pulling are saved, which greatly shortens the time consumption of solid-liquid separation of the same batch of amino acid solution, which not only speeds up the production rhythm, but also improves the overall production efficiency; in addition, since the solid waste does not need to be pressed, the use of compressed gas and energy consumption is reduced, and compared with the traditional mechanical pressing, the water flow flushing method is more economical, which reduces the equipment wear and maintenance cost, and prolongs the service life of the equipment.

Claims

1. A solid-liquid separation membrane device for extracting amino acids by hydrolysis, characterized in that: It includes a rack, which has on it; A plate-and-frame filter press is arranged on the top of the rack and is used for solid-liquid separation of an amino acid solution; A flushing assembly includes slide rails symmetrically fixed on both sides of the rack, the installation direction of the slide rails is parallel to the moving direction of the plate frames of the plate-and-frame filter press, a sliding block movable along the slide rails is installed on the slide rails, a water storage tank is fixed on the other side of the sliding block, a plurality of water supply pipes are fixedly installed on the top surface of the water storage tank, one end of the water supply pipe extends into the water storage tank, the other end of the water supply pipe is closed and fixedly provided with a flange, and a spray head opposite to the plate frame of the plate-and-frame filter press is fixedly arranged on the inner circumferential surface of the water supply pipe; A moving assembly includes racks symmetrically fixed on both sides of the rack, the racks are parallel to the slide rails and located below the slide rails, a rotary power mechanism is installed on the side wall of one of the water storage tanks, the power output end of the rotary power mechanism is engaged with the racks through a spur gear, and a driven gear shaft engageable with the racks is rotatably installed on the side wall of the other water storage tank through a rotary bearing.

2. The solid-liquid separation membrane apparatus for extracting amino acids by hydrolysis method according to claim 1, characterized by: The top surface of each of the water storage tanks is provided with three water supply pipes, and the spacing between the left and right adjacent two water supply pipes is the width of the plate frame of the plate-and-frame filter press.

3. The solid-liquid separation membrane apparatus for hydrolytic extraction of amino acids according to claim 1, characterized by: The inner circumferential surface of each of the water supply pipes is provided with two groups of spray heads, and the two groups of spray heads are respectively directed to the left and right sides of the water supply pipe.

4. The solid-liquid separation membrane apparatus for hydrolytic extraction of amino acids according to claim 1, characterized by: A support beam is fixedly arranged on the rack below the plate-and-frame filter press, and a sewage tank for receiving sewage formed after flushing of the flushing assembly is fixedly installed on the top surface of the support beam.

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