CN214913529U

CN214913529U - Preparation of trisodium citrate is with concentrated crystallization device

Info

Publication number: CN214913529U
Application number: CN202120959599.7U
Authority: CN
Inventors: 颜先平; 黄华斌; 罗军
Original assignee: Chongqing Wansheng Chuandong Chemical Co ltd
Current assignee: Chongqing Wansheng Chuandong Chemical Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-11-30
Anticipated expiration: 2031-05-07

Abstract

The utility model belongs to the technical field of concentrated crystallization, and a trisodium citrate preparation is with concentrated crystallization device is disclosed, including the concentrated crystallizer, the discharge gate has been seted up to the bottom of concentrated crystallizer, and the top one end of concentrated crystallizer is provided with the feed inlet, the top other end of concentrated crystallizer is fixed with vertical board, and the horizontal connection has first horizontal edition and second diaphragm on the vertical board, the second diaphragm is located the below of first horizontal edition, first motor and second motor are installed to the top of second diaphragm, and the second motor is located one side of first motor; the utility model discloses set up by interior axle and outer axle constitution (mixing) shaft, and interior axle and outer axle pass through limiting plate and spacing groove sliding connection, make in the (mixing) shaft pivoted in the axle and produce relative displacement between the outer axle to the realization drives the epaxial puddler of stirring and reciprocates, has changed the position of puddler promptly, makes the puddler longitudinal movement stir, and then has improved stirring efficiency.

Description

Preparation of trisodium citrate is with concentrated crystallization device

Technical Field

The utility model belongs to the technical field of the concentrated crystallization, concretely relates to trisodium citrate preparation is with concentrated crystallization device.

Background

Sodium citrate, also known as sodium citrate, is an organic compound, is a colorless rhombic crystal, is stable in air, can be dissolved in water and glycerol, is slightly soluble in ethanol, has slightly alkaline aqueous solution and cool feeling when tasted, and becomes dihydrate salt when heated to 100 ℃; sodium citrate is commonly used as a buffer, a complexing agent and a bacteria culture medium, is used for diuresis, phlegm elimination, sweating and blood coagulation prevention in medicine, and is used in the aspects of food, beverage, electroplating, photography and the like.

A2, 4-dichlorophenol concentration crystallization device which has an impurity removal effect and is convenient to operate is mentioned in Chinese patent with the patent number of CN201810443315.1, the device passes through the setting of a motor, a rotating rod, a stirring wheel and a blade, after the motor normally works, the rotating rod is driven to rotate, so that the stirring wheel can rotate along with the rotating, the material in the device body is uniformly stirred, but the position of a stirring component in the device is fixed, so that the device can only be stirred on the upper part of the device, the stirring efficiency is low, and the effect of uniform stirring cannot be achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a trisodium citrate preparation is with concentrated crystallization device to the position of proposing the stirring subassembly in solving above-mentioned background is fixed, can only stir the upper portion of device, stirs inefficiency, can't reach the problem of even stirring effect.

In order to achieve the above object, the utility model provides a following technical scheme: a concentrated crystallization device for preparing trisodium citrate comprises a concentrated crystallization tank, wherein a discharge port is formed in the bottom of the concentrated crystallization tank, a feed inlet is formed in one end of the top of the concentrated crystallization tank, a vertical plate is fixed to the other end of the top of the concentrated crystallization tank and is horizontally connected with a first transverse plate and a second transverse plate, the second transverse plate is located below the first transverse plate, a first motor and a second motor are mounted on the top of the second transverse plate and are located on one side of the first motor, the first transverse plate and the second transverse plate are both penetrated by a stirring shaft, a stirring rod is fixed to one end, extending into the concentrated crystallization tank, of the stirring shaft, two baffles fixed on the stirring shaft are located between the first transverse plate and the second transverse plate, a connecting component in clearance fit with the surface of the outer wall of the stirring shaft is arranged between the two baffles, and a lead screw is rotatably connected between the first transverse plate and the second transverse plate, and a screw nut seat is spirally connected to the screw, the connecting assembly is connected with the screw nut seat, and an output shaft of the second motor is connected with the screw.

Preferably, the (mixing) shaft includes interior axle and outer axle, and interior axle is located the inside of outer axle, the outer wall of interior axle is provided with the limiting plate that is the annular array and distributes, be provided with on the inner wall of outer axle with limiting plate assorted spacing groove.

Preferably, the output shaft of the first motor is connected with the inner shaft.

Preferably, the adjacent ends of the two baffles are provided with wheel grooves.

Preferably, the connecting assembly comprises an outer wheel, an inner wheel and a connecting frame, the inner wheel is rotatably connected to one side, close to the baffle, of the outer wheel, and the top and the bottom of the inner wheel are respectively embedded into the two wheel grooves and are in sliding connection with the two wheel grooves.

Preferably, the first transverse plate and the second transverse plate are both provided with through holes allowing the outer shaft to move up and down.

Preferably, the length of the inner shaft is greater than the distance between the first transverse plate and the second transverse plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses set up and constitute the (mixing) shaft by interior axle and outer axle, and interior axle and outer axle pass through limiting plate and spacing groove sliding connection, make in the (mixing) shaft pivoted and produce relative displacement between interior axle and the outer axle to the realization drives the epaxial puddler of stirring and reciprocates, has changed the position of puddler, makes the puddler longitudinal movement stir, and then has improved stirring efficiency, and has reached the effect of even stirring.

(2) The utility model discloses set up coupling assembling, be connected outer axle and the drive assembly who drives outer axle and reciprocate through coupling assembling, the drive assembly that lead screw and lead screw nut seat of being convenient for are constituteed drives outer axle and reciprocates for interior axle, and in being connected between coupling assembling and the outer axle adopts in the race on the outer axle baffle of wheel embedding for coupling assembling's setting does not influence outer rotation of axle, thereby guarantees mutual noninterference between the rotary motion of (mixing) shaft and the up-and-down motion.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a right side view of the present invention;

FIG. 3 is a schematic view of the structure of the stirring shaft of the present invention;

FIG. 4 is a schematic structural view of the cross section of the stirring shaft of the present invention;

fig. 5 is a schematic structural view of the connection assembly of the present invention;

FIG. 6 is an enlarged view taken at A in FIG. 1;

in the figure: 1. a concentration crystallizing tank; 2. a discharge port; 3. a feed inlet; 4. a vertical plate; 5. a first horizontal plate; 6. a second transverse plate; 7. a first motor; 8. a second motor; 9. a stirring shaft; 91. an inner shaft; 911. a limiting plate; 92. an outer shaft; 10. a stirring rod; 11. a baffle plate; 1101. a wheel groove; 12. a connecting assembly; 1201. an outer wheel; 1202. an inner wheel; 1203. a connecting frame; 13. a lead screw; 14. lead screw nut seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a concentrated crystallization device for preparing trisodium citrate comprises a concentrated crystallization tank 1, wherein a discharge port 2 is formed in the bottom of the concentrated crystallization tank 1, a feed inlet 3 is formed in one end of the top of the concentrated crystallization tank 1, a heating device and an evaporator are arranged at the bottom of the concentrated crystallization tank 1 to realize heating evaporation on the device, a vertical plate 4 is fixed to the other end of the top of the concentrated crystallization tank 1, a first transverse plate 5 and a second transverse plate 6 are horizontally connected to the vertical plate 4, the second transverse plate 6 is located below the first transverse plate 5, a first motor 7 and a second motor 8 are installed at the top of the second transverse plate 6, the second motor 8 is located on one side of the first motor 7, the first transverse plate 5 and the second transverse plate 6 are both penetrated through by a stirring shaft 9, a stirring rod 10 is fixed to one end of the stirring shaft 9 extending into the concentrated crystallization tank 1, two baffle plates 11 fixed to the stirring shaft 9 are located between the first transverse plate 5 and the second transverse plate 6, and be provided with between two baffles 11 with (mixing) shaft 9 outer wall surface clearance fit's coupling assembling 12, rotate between first diaphragm 5 and the second diaphragm 6 and be connected with lead screw 13, and screwed connection has lead screw nut seat 14 on lead screw 13, coupling assembling 12 is connected with lead screw nut seat 14, and the output shaft of second motor 8 is connected with lead screw 13.

In this embodiment, preferably, (mixing) shaft 9 includes interior axle 91 and outer axle 92, and interior axle 91 is located the inside of outer axle 92, and the outer wall of interior axle 91 is provided with the limiting plate 911 that is annular array and distributes, is provided with the spacing groove with limiting plate 911 assorted on the inner wall of outer axle 92, and the interior axle 91 of being convenient for drives outer axle 92 and rotates.

In the present embodiment, it is preferable that the output shaft of the first motor 7 is connected to the inner shaft 91.

In this embodiment, preferably, the adjacent ends of the two baffles 11 are both provided with wheel grooves 1101.

In this embodiment, it is preferable that the connecting assembly 12 includes an outer wheel 1201, an inner wheel 1202 and a connecting frame 1203, wherein the inner wheel 1202 is rotatably connected to one side of the outer wheel 1201 close to the baffle plate 11, the top and the bottom of the inner wheel 1202 are respectively embedded in the two wheel slots 1101 and slidably connected with the two wheel slots 1101, and when the outer shaft 92 rotates to drive the baffle plate 11 to rotate, the inner wheel 1202 slides in the wheel slots 1101, so that the inner wheel 1202 does not affect the rotation of the outer shaft 92.

In this embodiment, preferably, through holes allowing the outer shaft 92 to move up and down are formed in each of the first horizontal plate 5 and the second horizontal plate 6, and the diameter of each through hole is smaller than the cross-sectional diameter of the baffle 11.

In this embodiment, the length of the inner shaft 91 is preferably greater than the distance between the first horizontal plate 5 and the second horizontal plate 6, so as to prevent the outer shaft 92 from separating from the inner shaft 91.

The utility model discloses a theory of operation and use flow: trisodium citrate is added into the concentrated crystallization tank 1 from the feed inlet 3, the device is heated, the first motor 7 and the second motor 8 are started, the inner shaft 91 is driven to rotate through the work of the first motor 7, the inner shaft 91 rotates to drive the limiting plate 911 to rotate together, the outer shaft 92 is driven to rotate, the stirring rod 10 is driven to rotate through the rotation of the outer shaft 92, the solution is fully mixed, the evaporation of the solution is accelerated, the lead screw 13 is driven to rotate through the work of the second motor 8, the lead screw nut seat 14 is driven to rotate to move up and down through the rotation of the lead screw 13, the lead screw nut seat 14 is connected with the connecting component 12, the outer shaft 92 is driven to move up and down relative to the inner shaft 91, the stirring rod 10 is driven to move up and down while rotating, the stirring efficiency is improved, and the effect of uniform stirring is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A concentrated crystallization device for preparing trisodium citrate comprises a concentrated crystallization tank (1), and is characterized in that: the bottom of the concentrated crystallization tank (1) is provided with a discharge port (2), one end of the top of the concentrated crystallization tank (1) is provided with a feed inlet (3), the other end of the top of the concentrated crystallization tank (1) is fixed with a vertical plate (4), the vertical plate (4) is horizontally connected with a first transverse plate (5) and a second transverse plate (6), the second transverse plate (6) is positioned below the first transverse plate (5), the top of the second transverse plate (6) is provided with a first motor (7) and a second motor (8), the second motor (8) is positioned on one side of the first motor (7), the first transverse plate (5) and the second transverse plate (6) are both penetrated by a stirring shaft (9), one end of the stirring shaft (9) extending into the concentrated crystallization tank (1) is fixed with a stirring rod (10), and two fixed baffles (11) on the stirring shaft (9) are positioned between the first transverse plate (5) and the second transverse plate (6), and be provided with between two baffle (11) with (mixing) shaft (9) outer wall surface clearance fit's coupling assembling (12), it is connected with lead screw (13) to rotate between first diaphragm (5) and second diaphragm (6), and screwed connection has lead screw nut seat (14) on lead screw (13), coupling assembling (12) are connected with lead screw nut seat (14), the output shaft and the lead screw (13) of second motor (8) are connected.

2. The concentrated crystallization device for preparing trisodium citrate according to claim 1, wherein: the stirring shaft (9) comprises an inner shaft (91) and an outer shaft (92), the inner shaft (91) is located inside the outer shaft (92), the outer wall of the inner shaft (91) is provided with limiting plates (911) distributed in an annular array mode, and limiting grooves matched with the limiting plates (911) are formed in the inner wall of the outer shaft (92).

3. The concentrated crystallization device for preparing trisodium citrate according to claim 1, wherein: the output shaft of the first motor (7) is connected with the inner shaft (91).

4. The concentrated crystallization device for preparing trisodium citrate according to claim 1, wherein: and one ends of the two baffles (11) adjacent to each other are provided with wheel grooves (1101).

5. The concentrated crystallization device for preparing trisodium citrate according to claim 1, wherein: the connecting assembly (12) comprises an outer wheel (1201), an inner wheel (1202) and a connecting frame (1203), wherein the inner wheel (1202) is rotatably connected to one side, close to the baffle plate (11), of the outer wheel (1201), and the top and the bottom of the inner wheel (1202) are respectively embedded into the two wheel grooves (1101) and are in sliding connection with the two wheel grooves (1101).

6. The concentrated crystallization device for preparing trisodium citrate according to claim 1, wherein: and through holes allowing the outer shaft (92) to move up and down are formed in the first transverse plate (5) and the second transverse plate (6).

7. The concentrated crystallization device for preparing trisodium citrate according to claim 2, wherein: the length of the inner shaft (91) is larger than the distance between the first transverse plate (5) and the second transverse plate (6).