Calcium sulfate whisker crystallization device

Abstract

The utility model is suitable for the technical field of material science, and provides a calcium sulfate whisker crystallization device. A crystallization box; the heating plate is fixedly mounted at the bottom of the crystallization box; the positioning plates are mounted at the top of the crystallization box in an array manner; the supporting plate is fixedly mounted at the top of the positioning plate; the stirring rod is fixedly mounted in the middle of the positioning plate and extends into the crystallization box; and a spraying pipe. Compared with the prior art, the stirring device has the beneficial effects that during use, the spraying pipe is arranged at the top end of the surface of the stirring rod and is communicated with the reactant conveying structure, so that the spraying work of calcium sulfate dihydrate can be carried out from a high position, and the situation that the spraying pipe is soaked in an acid solution to cause internal crystallization is avoided; due to the arrangement of the stirring rod, rotary spraying can be carried out, the mixture is stirred, and the crystallization speed is increased.

Description

TECHNICAL FIELD

[0001] The utility model belongs to material science technical field, especially, relate to a calcium sulfate whisker crystallization device. BACKGROUND

[0002] The calcium sulfate whisker is a new needle-like, uniform cross-section, complete shape, internal structure perfect fiber sub-nanometer material in single crystal form.

[0003] And in the production of calcium sulfate whisker, for example, the application number for CN201820264416.8 a production of calcium sulfate whisker reaction crystallizer, disclosed including reaction chamber, crystallization chamber, the reaction chamber with the crystallization chamber between the overflow port is equipped, the reaction chamber upper portion is equipped with feed inlet, the crystallization chamber upper portion is equipped with gas outlet, lower portion is equipped with slurry outlet;The reaction chamber with the crystallization chamber in each set of fine hole paddle, each fine hole paddle is connected through the stirring shaft and a stirring paddle motor respectively, in the reaction chamber fine hole paddle and concentrated sulfuric acid inlet connection, in the reaction chamber fine hole paddle and cold air inlet connection.The utility model has the advantages that can improve the crystallization efficiency of calcium sulfate whisker.

[0004] The above although played the role of calcium sulfate whisker crystallization, but due to the fine hole on the surface of the paddle is in the reaction solution, and then lead to crystallization, will lead to calcium sulfate whisker in the fine hole crystallization, lead to the fine hole to appear the situation of plugging, lead to the next work, need to replace the paddle, and due to the size of the fine hole is limited, in turn lead to the inside calcium sulfate whisker cleaning, is not convenient.

[0005] Therefore, how to provide a kind of calcium sulfate whisker crystallization device is the problem of the person skilled in the art urgently needs to solve. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of calcium sulfate whisker crystallization device, to solve the problems mentioned in the background art.

[0007] The utility model is realized as follows, a kind of calcium sulfate whisker crystallization device, including;

[0008] Crystallization box;

[0009] Heating plate, the heating plate fixed installation is in the bottom of crystallization box;

[0010] Positioning plate, the positioning plate array installation is in the top of crystallization box;

[0011] Supporting plate, the supporting plate fixed installation is in the top of positioning plate;

[0012] A stirring rod is fixedly installed at the middle of the positioning plate and extends to the inside of the crystallization box.

[0013] A spraying pipe is circumferentially installed at the top of the surface of the stirring rod and has a transition groove inside.

[0014] A calcium sulfate dihydrate box is fixedly installed at the front side of the crystallization box.

[0015] A reactant conveying structure is arranged at the inside of the support plate and communicates with the calcium sulfate dihydrate box and the transition groove.

[0016] Preferably, a discharge port is fixedly installed at the right side of the crystallization box, a collection box is arranged at the bottom of the discharge port, a filter plate is fixedly installed at the right end of the collection box, a dilute acid box is arranged at the right side of the collection box, a third liquid suction pipe is installed at the left side of the dilute acid box and extends to the right side of the filter plate, a second liquid suction pipe is fixedly installed at the top of the dilute acid box and extends to the right end of the crystallization box, and a sealing structure is arranged at the right side of the discharge port to block the discharge port.

[0017] Preferably, the reactant conveying structure comprises a liquid outlet groove, a first liquid suction pipe and a shunt pipe, the inside of the support plate is provided with a ring groove, the liquid outlet groove is circumferentially arranged at the bottom of the ring groove and communicates with the transition groove, the shunt pipe is fixedly installed at the middle of the ring grooves on the left and right sides, and the first liquid suction pipe is fixedly installed at the middle of the calcium sulfate dihydrate box and communicates with the top of the shunt pipe.

[0018] Preferably, the bottom of the transition groove is provided with a blocking structure, the blocking structure comprises a lifting blocking piece and a spring, the lifting blocking piece is arranged at the bottom of the transition groove and circumferentially provided with a liquid discharge groove at the side surface of the upper end, and the spring is fixedly installed at the top of the lifting blocking piece and fixedly connected with the top of the transition groove.

[0019] Preferably, the sealing structure comprises a sealing baffle and a lifting screw rod, the sealing baffle is movably inserted at the left side of the discharge port, the non-working end of the lifting screw rod is fixedly installed at the right side of the crystallization box, and the working end of the lifting screw rod is movably connected with the surface of the sealing baffle.

[0020] Preferably, the upper ends of the ring groove and the transition groove are in a ring shape, and the inner diameter of the liquid outlet groove is smaller than the cross-sectional width of the upper ends of the ring groove and the transition groove.

[0021] Preferably, the top of the crystallization box is provided with a stepped groove, and the shape and size of the positioning plate are matched with the stepped groove.

[0022] Compared with the prior art, the calcium sulfate whisker crystallization device has the advantages that: when in use, the spraying pipe is arranged on the top end of the stirring rod and is communicated with the reactant conveying structure, so that the spraying work of calcium sulfate dihydrate can be carried out from a high position, and the spraying pipe is prevented from being soaked in the acidic solution to cause internal crystallization, and the spraying pipe can be rotated to spray and stir the mixture, so that the crystallization speed is accelerated.

[0023] Through the cooperation of the plugging structure, the collection box, the filter plate and the dilute acid tank, the discharge time of the liquid in the acidic solution with calcium sulfate whiskers can be controlled, the amount entering the collection box can be controlled, the collection and acid supplement of the acidic solution are facilitated, the utilization rate of the acidic solution is improved, and the calcium sulfate whiskers remaining in the collection box are conveniently collected. BRIEF DESCRIPTION OF DRAWINGS

[0024] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and explain the present application together with the embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0025] Figure 1 The overall appearance structure schematic diagram of the calcium sulfate whisker crystallization device provided by the embodiments of the present application is shown in the drawings.

[0026] Figure 2 The top view sectional structure schematic diagram of the calcium sulfate whisker crystallization device provided by the embodiments of the present application is shown in the drawings.

[0027] Figure 3 The front view sectional structure schematic diagram of the calcium sulfate whisker crystallization device provided by the embodiments of the present application is shown in the drawings.

[0028] Figure 4 The right view sectional structure schematic diagram of the calcium sulfate whisker crystallization device provided by the embodiments of the present application is shown in the drawings.

[0029] Figure 5 The A part enlarged structure schematic diagram of the calcium sulfate whisker crystallization device provided by the embodiments of the present application is shown in the drawings. Figure 3

[0030] In the drawings: 1-crystallization tank, 2-positioning plate, 3-supporting plate, 4-stirring rod, 5-ring groove, 6-lower liquid tank, 7-spraying pipe, 8-transition groove, 9-lifting block, 10-liquid discharge groove, 11-spring, 12-shunt pipe, 13-calcium sulfate dihydrate tank, 14-first liquid suction pipe, 15-discharge port, 16-collection box, 17-dilute acid tank, 18-second liquid suction pipe, 19-filter plate, 20-third liquid suction pipe, 21-sealing baffle, 22-lifting screw, 23-heating plate, 24-step groove. DETAILED DESCRIPTION ​

[0031] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0032] The specific implementation of the utility model is described in detail below in combination with specific examples.

[0033] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , it is a structural schematic diagram of a calcium sulfate whisker crystallization device provided by an embodiment of the utility model, comprising;

[0034] a crystallization box 1;

[0035] a heating plate 23 fixedly installed at the bottom of the crystallization box 1;

[0036] a positioning plate 2 arrayed and installed at the top of the crystallization box 1;

[0037] a support plate 3 fixedly installed at the top of the positioning plate 2;

[0038] a stirring rod 4 fixedly installed at the middle of the positioning plate 2 and extending into the interior of the crystallization box 1;

[0039] a spraying pipe 7 circumferentially arrayed and installed at the top end of the surface of the stirring rod 4 and having a transition groove 8 formed in the interior;

[0040] a calcium sulfate dehydrate box 13 fixedly installed at the front side of the crystallization box 1;

[0041] a reactant conveying structure arranged at the inner side of the support plate 3 and connected in communication with the calcium sulfate dehydrate box 13 and the transition groove 8.

[0042] In the embodiment of the utility model, when in use, the reactant conveying structure is started to draw the calcium sulfate dehydrate in the calcium sulfate dehydrate box 13 into the transition groove 8 of the spraying pipe 7 at the top end of the surface of the stirring rod 4, and then sprayed out along with the rotation of the stirring rod 4;

[0043] By arranging the spraying pipe 7 at the top end of the surface of the stirring rod 4 and connecting in communication with the reactant conveying structure, the spraying work of the calcium sulfate dehydrate can be performed from a high place, thereby avoiding the situation that the spraying pipe 7 is soaked in the acidic solution to cause internal crystallization, and since it is arranged on the stirring rod 4, the rotation spraying can be performed and the mixture can be stirred to accelerate the crystallization speed.

[0044] AsFigure 1 、 Figure 2 and Figure 3 As shown, as a preferred embodiment of the present invention, a discharge port 15 is fixedly installed on the right side of the crystallization box 1, a collecting box 16 is placed at the bottom of the discharge port 15, a filter plate 19 is fixedly installed on the right end of the collecting box 16, a dilute acid box 17 is provided on the right side of the collecting box 16, a third liquid extraction pipe 20 is installed on the left side of the dilute acid box 17, and extends to the right side of the filter plate 19, a second liquid extraction pipe 18 is fixedly installed on the top of the dilute acid box 17, and extends to the right end of the crystallization box 1, and a sealing structure is provided on the right side of the discharge port 15 to seal the discharge port 15.

[0045] In the embodiment of the present invention, when in use, the acidic solution with calcium sulfate whiskers enters the collection box 16 through the discharge port 15, and then under the filtration of the filter plate 19, the acidic solution enters the other side of the filter plate 19, and is then pumped into the dilute acid tank 17 by the third liquid pumping pipe 20 for acid replenishment, and then can be pumped back into the crystallization box 1 through the second liquid pumping pipe 18 to resume the crystallization work;

[0046] By cooperating with the blocking structure, the collection box 16, the filter plate 19, and the dilute acid box 17, the discharge time of the liquid in the acidic solution containing calcium sulfate whiskers can be controlled, and the amount of liquid entering the collection box 16 can be controlled, thereby facilitating the collection and acid replenishment of the acidic solution, improving the utilization rate of the acidic solution, and facilitating the collection of the calcium sulfate whiskers remaining in the collection box 16.

[0047] like Figure 3 、 Figure 4 and Figure 5 As shown, as a preferred embodiment of the present invention, the reactant delivery structure includes a lower liquid trough 6, a first liquid extraction pipe 14 and a diversion pipe 12. An annular groove 5 is provided on the inner side of the support plate 3. The lower liquid trough 6 is arranged in a circumferential array at the bottom of the annular groove 5 and is connected to the transition groove 8. The diversion pipe 12 is fixedly installed in the middle of the annular groove 5 on the left and right sides. The first liquid extraction pipe 14 is fixedly installed in the middle of the calcium sulfate dihydrate box 13 and is connected to the top of the diversion pipe 12.

[0048] In the embodiment of the present invention, when in use, the first liquid extraction pipe 14 is started, so that the calcium sulfate dihydrate in the calcium sulfate dihydrate box 13 is pumped into the shunt pipe 12, and then enters the annular groove 5 on the inner side of the support plate 3, so that it is transmitted through the lower liquid tank 6 at the bottom of the annular groove 5 to the spray pipe 7 on the surface of the stirring rod 4, and then the calcium sulfate dihydrate is discharged into the crystallization box 1;

[0049] By setting up a reactant delivery structure, when adding the reactant, calcium sulfate dihydrate, there is no need to add it manually, thereby avoiding the harm caused by the acidic solution to the human body.

[0050] likeFigure 3 、 Figure 4 and Figure 5 As shown, as a preferred embodiment of the present invention, the bottom array of the transition groove 8 is provided with a blocking structure, and the blocking structure includes a lifting block 9 and a spring 11. The lifting block 9 array is installed at the bottom of the transition groove 8, and the side circumferential array at the upper end is provided with a drainage groove 10. The spring 11 is fixedly installed on the top of the lifting block 9 and is fixedly connected to the top of the transition groove 8.

[0051] In the embodiment of the present utility model, when calcium sulfate dihydrate is transferred to the spray pipe 7 on the surface of the stirring rod 4 through the lower liquid tank 6 at the bottom of the annular groove 5, the lifting block 9 overcomes the elasticity of the spring 11, so that the drainage groove 10 on its surface is connected with the crystallization box 1, thereby discharging calcium sulfate dihydrate into the crystallization box 1;

[0052] By providing a blocking structure, when there is no calcium sulfate dihydrate in the spray pipe 7, it will automatically block, thereby preventing the vaporized acidic solution from entering the spray pipe 7 and causing crystallization blockage.

[0053] like Figure 1 and Figure 4 As shown, as a preferred embodiment of the present invention, the sealing structure includes a sealing baffle 21 and a lifting screw 22. The sealing baffle 21 is movably inserted on the left side of the discharge port 15, and the non-working end of the lifting screw 22 is fixedly installed on the right side of the crystallization box 1. The working end of the lifting screw 22 is movably connected to the surface of the sealing baffle 21.

[0054] In the embodiment of the present invention, when in use, the lifting screw 22 is started to open the sealing baffle 21, thereby allowing the acidic solution with calcium sulfate whiskers to enter the collection box 16 through the discharge port 15;

[0055] By providing a sealing structure, the opening time of the discharge port 15 can be controlled, thereby controlling the amount and discharge speed of the discharged acidic solution and crystals, thereby facilitating subsequent filtration and collection work.

[0056] like Figure 3 and Figure 5 As shown, as a preferred embodiment of the present invention, the upper ends of the annular groove 5 and the transition groove 8 are both arranged to be annular, and the inner diameter of the lower liquid groove 6 is smaller than the cross-sectional width of the upper ends of the annular groove 5 and the transition groove 8.

[0057] In an embodiment of the utility model, when in use, the upper ends of the annular groove 5 and the transition groove 8 are both set to be annular, thereby facilitating the flow of liquid, and by making the inner diameter of the lower liquid groove 6 smaller than the cross-sectional width of the upper ends of the annular groove 5 and the transition groove 8, it is facilitated that the liquid in the annular groove 5 flows through the lower liquid groove 6 to the transition groove 8.

[0058] As Figure 3 And Figure 4 As shown in the preferred embodiment of the utility model, the top of the crystallization tank 1 is provided with a stepped groove 24, and the positioning plate 2 is adapted to the size of the stepped groove 24.

[0059] In the embodiment of the utility model, when in use, the stepped groove 24 is arranged on the top of the crystallization tank 1, and the size of the positioning plate 2 is adapted to the stepped groove 24, so that the positioning plate 2 and the surface structure are convenient to place and take out, and the subsequent cleaning work is facilitated.

[0060] In the above embodiment of the utility model, a calcium sulfate whisker crystallization device is provided, when in use, the heating plate 23 is started, the temperature of the acidic solution in the crystallization tank 1 is raised, then the first liquid pump 14 is started, the calcium sulfate dihydrate in the calcium sulfate dihydrate tank 13 is pumped into the shunt pipe 12, then enters the annular groove 5 on the inner side of the support plate 3, and is transmitted to the spray pipe 7 on the surface of the stirring rod 4 through the liquid outlet groove 6 at the bottom of the annular groove 5, so that the lifting block 9 overcomes the elasticity of the spring 11, and the liquid outlet groove 10 on the surface is communicated with the crystallization tank 1, so that the calcium sulfate dihydrate is discharged into the crystallization tank 1;

[0061] The stirring rod 4 is started, so that the calcium sulfate dihydrate is sprayed into the crystallization tank 1, and the calcium sulfate dihydrate in contact with the acidic solution is stirred to mix fully, so that calcium sulfate whiskers are generated by the normal pressure acidification method;

[0062] Then the lifting screw 22 is started, so that the sealing baffle 21 is opened, and the acidic solution containing calcium sulfate whiskers is discharged into the collection tank 16 through the discharge port 15, and then the acidic solution is filtered by the filter plate 19 and enters the other side of the filter plate 19, and then is pumped into the dilute acid tank 17 by the third liquid pump 20, and the acid is supplemented, so that the acidic solution can be pumped back into the crystallization tank 1 by the second liquid pump 18, and the crystallization work is carried out again;

[0063] The calcium sulfate whiskers remaining in the collection tank 16 are collected, and the sealing baffle 21 is closed, so that the crystallization tank 1 forms a sealed environment again.

[0064] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A calcium sulfate whisker crystallization device, characterized in that, include; crystallization chamber (1); A heating plate (23), wherein the heating plate (23) is fixedly mounted on the bottom of the crystallization box (1); Positioning plates (2), wherein the positioning plates (2) are arranged in an array on the top of the crystallization box (1); A support plate (3), wherein the support plate (3) is fixedly mounted on the top of the positioning plate (2); A stirring rod (4), wherein the stirring rod (4) is fixedly mounted on the middle portion of the positioning plate (2) and extends into the interior of the crystallization box (1); Spray pipes (7), the spray pipes (7) are installed in a circumferential array on the top end of the surface of the stirring rod (4), and a transition groove (8) is opened inside; A calcium sulfate dihydrate box (13), wherein the calcium sulfate dihydrate box (13) is fixedly mounted on the front side of the crystallization box (1); A reactant delivery structure is provided on the inner side of the support plate (3) and is connected to the calcium sulfate dihydrate box (13) and the transition trough (8).

2. a calcium sulfate whisker crystallization device according to claim 1, is characterized in that, A discharge port (15) is fixedly installed on the right side of the crystallization box (1), a collecting box (16) is placed at the bottom of the discharge port (15), a filter plate (19) is fixedly installed on the right end of the collecting box (16), a dilute acid box (17) is provided on the right side of the collecting box (16), a third liquid extraction pipe (20) is installed on the left side of the dilute acid box (17) and extends to the right side of the filter plate (19), a second liquid extraction pipe (18) is fixedly installed on the top of the dilute acid box (17) and extends to the right end of the crystallization box (1), and a sealing structure is provided on the right side of the discharge port (15) to seal the discharge port (15).

3. a calcium sulfate whisker crystallization device according to claim 1, is characterized in that, The reactant delivery structure comprises a lower liquid trough (6), a first liquid extraction pipe (14) and a diversion pipe (12); an annular groove (5) is provided on the inner side of the support plate (3); the lower liquid trough (6) is arranged in a circumferential array at the bottom of the annular groove (5) and is connected to the transition groove (8); the diversion pipe (12) is fixedly installed in the middle of the annular grooves (5) on the left and right sides; the first liquid extraction pipe (14) is fixedly installed in the middle of the calcium sulfate dihydrate box (13) and is connected to the top of the diversion pipe (12).

4. a calcium sulfate whisker crystallization device according to claim 3, is characterized in that, The bottom array of the transition groove (8) is provided with a blocking structure, and the blocking structure includes a lifting block (9) and a spring (11). The lifting block (9) array is installed at the bottom of the transition groove (8), and a drainage groove (10) is opened in the side circumferential array at the upper end. The spring (11) is fixedly installed on the top of the lifting block (9) and is fixedly connected to the top of the transition groove (8).

5. a calcium sulfate whisker crystallization device according to claim 2, is characterized in that, The sealing structure comprises a sealing baffle (21) and a lifting screw (22), wherein the sealing baffle (21) is movably inserted on the left side of the discharge port (15), the non-working end of the lifting screw (22) is fixedly installed on the right side of the crystallization box (1), and the working end of the lifting screw (22) is movably connected to the surface of the sealing baffle (21).

6. a calcium sulfate whisker crystallization device according to claim 3, is characterized in that, The upper ends of the annular groove (5) and the transition groove (8) are both arranged in an annular shape, and the inner diameter of the lower liquid groove (6) is smaller than the cross-sectional width of the upper ends of the annular groove (5) and the transition groove (8).

7. a calcium sulfate whisker crystallization device according to claim 4, is characterized in that, The top array of the crystallization box (1) is provided with a stepped groove (24), and the shape and size of the positioning plate (2) are adapted to the stepped groove (24).

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