Preparation device for preparing zinc sulfate heptahydrate by cold liquid thermal shock method

Abstract

The utility model belongs to the field of chemical production, in particular relates to a preparation device for preparing zinc sulfate heptahydrate by a cold liquid hot-blast method, and aims to solve the problem that stirring blades and a crystal scraping plate are arranged on the same rotating shaft when the conventional preparation device for preparing zinc sulfate heptahydrate by the cold liquid hot-blast method is used, so that the stirring blades and the crystal scraping plate are arranged on the same rotating shaft in the raw material stirring process. In order to solve the problems that in the prior art, abrasion of a crystal scraping plate is increased, and the service life of equipment is shortened, according to the scheme, the crystal scraping device comprises a bottom plate, a round pipe and a round rod, two supporting plates are arranged on the bottom plate, the same crystallizing tank is arranged on the two supporting plates, and a first motor is fixedly installed at the top of the crystallizing tank. Through driving control and rotating speed control of the first motor and the second motor and cooperation of all parts, appropriate adjustment can be carried out according to requirements of a user, asynchronous operation can be carried out according to actual conditions, abrasion of the parts is reduced, the service life of equipment is prolonged, and practicability of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical production, in particular to a preparation device for preparing zinc sulfate heptahydrate by a cold liquid hot-blasting method. Background Art

[0002] In the production of chemical industry, zinc sulfate heptahydrate is the crystal product precipitated by cooling the concentrated saturated zinc sulfate solution;

[0003] In the prior art, if the crystallization time is not enough, a fine particle product is obtained, and the product absorbs more free water, so it is difficult to dehydrate, which easily causes crystal agglomeration, resulting in unqualified product quality. In view of the above problem, the application number is: 201721603108.5, which discloses a preparation device for preparing zinc sulfate heptahydrate by cold liquid hot punching method, which includes a mother liquid storage tank, an infusion pump, an infusion tube, a crystallization tank, a cooling tube, a crystal row tube, and a centrifuge;

[0004] However, in an existing cold liquid hot-blasting method for preparing zinc sulfate heptahydrate, the stirring blade and the scraping plate are arranged on the same rotating shaft during use, so that during the stirring of raw materials, there is a problem of increased wear of the scraping plate and reduced service life of the equipment. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a preparation device for preparing zinc sulfate heptahydrate by cold liquid hot punching method.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A preparation device for preparing zinc sulfate heptahydrate by a cold liquid hot punching method comprises a bottom plate, a round tube and a round rod, wherein two support plates are arranged on the bottom plate, the two support plates are provided with the same crystallization tank, a motor 1 is fixedly installed on the top of the crystallization tank, a gear 1 is fixedly connected to the output end of the motor 1, a gear 2 is meshedly connected to the gear 1, a round tube is fixedly connected to the gear 2, the round tube is rotatably connected to the crystallization tank, a round rod is rotatably connected in the round tube, a motor 2 is fixedly installed on the top of the crystallization tank, a gear 3 is fixedly connected to the output end of the motor 2, a gear 4 is meshedly connected to the gear 3, and the gear 4 is fixedly connected to the round rod, through the drive control and speed control of the motor 1 and the motor 2, and the transmission of the gear 1, the gear 2, the round tube, the round rod, the gear 3 and the gear 4, appropriate adjustment can be performed according to user needs, and asynchronous operation can be performed according to actual conditions, thereby reducing component wear and improving the service life and practicality of the equipment.

[0008] Specifically, one end of the round rod is fixedly connected to a circular plate, the circular plate is rotatably connected to the crystallization tank, both sides of the circular plate are fixedly connected to scraping plates, and the two scraping plates are both in contact with the crystallization tank. After the saturated zinc sulfate solution is cooled, the precipitated crystals are precipitated at the bottom of the crystallization tank with their weight, so the scraping plates can scrape up the precipitated crystals.

[0009] Specifically, a centrifuge is provided on the bottom plate, a crystal row tube is provided on the top of the centrifuge, one end of the crystal row tube is sealed and connected to the crystallization tank, the precipitated crystals are transported to the centrifuge through the crystal row tube, and then the precipitated crystals are dehydrated by the high-speed rotation of the centrifuge.

[0010] Specifically, a groove one is provided on the crystallization tank, and the circular plate rotates in the groove one to improve stability.

[0011] Specifically, a sealing gasket is provided on the top of the circular plate and one end of the circular tube, and the two sealing gaskets are in contact and connected to improve the sealing performance and prevent the raw material from entering between the circular tube and the round rod.

[0012] Specifically, a bearing is fixedly sleeved on the circular tube, an outer wall of the bearing is fixedly connected to the crystallization tank, a stirring impeller is provided on the circular tube, a grid plate is provided in the crystallization tank, and the grid plate is located between the stirring impeller and the scraping plate, dividing the crystallization tank into an upper reaction zone and a lower crystallization zone.

[0013] Specifically, a liquid inlet pipe is provided on the top of the crystallizer, a mother liquid storage tank is provided at one end of the liquid inlet pipe, a liquid discharge pipe is provided on one side of the crystallizer, a mother liquid recovery tank is provided at one end of the liquid discharge pipe, and a control module is provided on the crystallizer, and the control module is connected to the motor one and the motor two. It is the prior art and will not be described in detail.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) The utility model discloses a preparation device for preparing zinc sulfate heptahydrate by cold liquid hot punching method. By controlling the driving and speed of motor 1 and motor 2, and the transmission of gear 1, gear 2, round tube, round rod, gear 3 and gear 4, appropriate adjustments can be made according to user needs, and asynchronous operation can be performed according to actual conditions, thereby reducing component wear and improving the service life and practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following will briefly introduce the drawings required for the implementation or the prior art description. Obviously, the drawings described below are only exemplary, and the structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions that can be implemented in the utility model, so they have no technical substantive significance, and any structural modification, change in proportional relationship or adjustment of size.

[0017] Figure 1 This is a schematic diagram of the main structure of a preparation device for preparing zinc sulfate heptahydrate by a cold liquid hot-blasting method proposed in the utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0019] Figure 3 It is a schematic diagram of the structure of the crystallization tank, the round tube, the gear 2, the round rod and the gear 4;

[0020] Figure 4 It is a schematic diagram of the structure of a round rod, a round plate, a scraper plate and a sealing gasket.

[0021] In the figure: 1, bottom plate; 2, support plate; 3, crystallization tank; 4, motor 1; 5, gear 1; 6, gear 2; 7, round tube; 8, round rod; 9, round plate; 10, scraper plate; 11, motor 2; 12, gear 3; 13, gear 4; 14, grid plate; 15, crystal row tube; 16, centrifuge; 17, sealing gasket. DETAILED DESCRIPTION

[0022] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part 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 creative work are within the scope of protection of the present invention.

[0023] Reference Figure 1-4A preparation device for preparing zinc sulfate heptahydrate by cold liquid hot punching method, comprising a bottom plate 1, a round tube 7 and a round rod 8, two support plates 2 are arranged on the bottom plate 1, the two support plates 2 are provided with the same crystallization tank 3, a motor 4 is fixedly installed on the top of the crystallization tank 3, a gear 5 is fixedly connected to the output end of the motor 4, a gear 2 6 is meshedly connected to the gear 1 5, a round tube 7 is fixedly connected to the gear 2 6, the round tube 7 is rotatably connected to the crystallization tank 3, a round rod 8 is rotatably connected in the round tube 7, and the top of the crystallization tank 3 A motor 2 11 is fixedly installed, and a gear 3 12 is fixedly connected to the output end of the motor 2 11, and a gear 4 13 is meshedly connected to the gear 3 12, and the gear 4 13 is fixedly connected to the round rod 8. Through the drive control and speed control of the motor 1 4 and the motor 2 11, as well as the transmission of the gear 1 5, the gear 2 6, the round tube 7, the round rod 8, the gear 3 12 and the gear 4 13, appropriate adjustments can be made according to user needs, and asynchronous operation can be performed according to actual conditions, thereby reducing component wear and improving the service life and practicality of the equipment.

[0024] In this embodiment, one end of the round rod 8 is fixedly connected to a circular plate 9, and the circular plate 9 is rotatably connected to the crystallization tank 3. Both sides of the circular plate 9 are fixedly connected to scraping plates 10, and the two scraping plates 10 are both in contact with the crystallization tank 3. After the saturated zinc sulfate solution is cooled, the precipitated crystals are precipitated at the bottom of the crystallization tank 3 with their weight, so the scraping plates 10 can scrape up the precipitated crystals.

[0025] In this embodiment, a centrifuge 16 is provided on the bottom plate 1, and a crystal row tube 15 is provided on the top of the centrifuge 16. One end of the crystal row tube 15 is sealed and connected to the crystallization tank 3. The precipitated crystals are transported to the centrifuge 16 through the crystal row tube 15, and then the precipitated crystals are dehydrated by the high-speed rotation of the centrifuge 16.

[0026] In this embodiment, a groove 1 is provided on the crystallization tank 3, and the circular plate 9 rotates in the groove 1 to improve stability.

[0027] In this embodiment, a sealing gasket 17 is provided on the top of the circular plate 9 and one end of the circular tube 7 . The two sealing gaskets 17 are in contact and connected with each other to improve the sealing performance and prevent the raw material from entering between the circular tube 7 and the round rod 8 .

[0028] In this embodiment, a bearing is fixedly sleeved on the circular tube 7, the outer wall of the bearing is fixedly connected to the crystallization tank 3, a stirring impeller is provided on the circular tube 7, a grid plate 14 is provided in the crystallization tank 3, and the grid plate 14 is located between the stirring impeller and the scraping plate 10, dividing the crystallization tank 3 into an upper reaction zone and a lower crystallization zone.

[0029] In this embodiment, a liquid inlet pipe is provided on the top of the crystallizer 3, one end of the liquid inlet pipe is provided with a mother liquid storage tank, a liquid discharge pipe is provided on one side of the crystallizer 3, one end of the liquid discharge pipe is provided with a mother liquid recovery tank, and a control module is provided on the crystallizer 3, and the control module is connected to the motor 1 4 and the motor 2 11, which is the prior art and will not be described in detail.

[0030] Working principle: when in use, the gear 1 5 is meshed and transmitted with the gear 2 6 through the driving of the motor 1 4, and the gear 2 6 drives the round tube 7 to rotate on the crystallization tank 3, and the round tube 7 drives the stirring impeller to rotate, so as to achieve the purpose of stirring the raw materials; the gear 3 12 is meshed and transmitted with the gear 4 13 through the driving of the motor 2 11, so that the round rod 8 rotates in the round tube 7, and the round rod 8 drives the two scraping plates 10 to rotate synchronously through the circular plate 9. After the saturated zinc sulfate solution is cooled, the precipitated crystals are precipitated at the bottom of the crystallization tank 3 with their weight, so the scraping plates 10 are set up to scrape up the precipitated crystals, so as to completely discharge the crystals into the centrifuge 16, thereby achieving the scraping of the crystals; the precipitated crystals are transported to the centrifuge 16 through the crystal discharge tube 15, and then the precipitated crystals are dehydrated by the high-speed rotation of the centrifuge 16.

[0031] The technical progress achieved by the utility model compared with the prior art is that through the drive control and speed control of the motor 1 4 and the motor 2 11, as well as the coordination of various components, appropriate adjustments can be made according to user needs, and asynchronous operation can be performed according to actual conditions, thereby reducing wear between components and improving the service life and practicality of the equipment.

Claims

1. A preparation device for preparing zinc sulfate heptahydrate by cold liquid hot punching method, characterized in that: The invention comprises a bottom plate (1), a round tube (7) and a round rod (8), wherein two support plates (2) are arranged on the bottom plate (1), and the same crystallization tank (3) is arranged on the two support plates (2); a motor 1 (4) is fixedly mounted on the top of the crystallization tank (3); a gear 1 (5) is fixedly connected to the output end of the motor 1 (4); a gear 2 (6) is meshedly connected to the gear 1 (5); a round tube (7) is fixedly connected to the gear 2 (6); the round tube (7) is rotatably connected to the crystallization tank (3); a round rod (8) is rotatably connected inside the round tube (7); a motor 2 (11) is fixedly mounted on the top of the crystallization tank (3); a gear 3 (12) is fixedly connected to the output end of the motor 2 (11); a gear 4 (13) is meshedly connected to the gear 3 (12); and the gear 4 (13) is fixedly connected to the round rod (8).

2. The device for preparing zinc sulfate heptahydrate by cold liquid hot punching method according to claim 1, characterized in that: A circular plate (9) is fixedly connected to one end of the round rod (8), and the circular plate (9) is rotatably connected to the crystallization tank (3). Both sides of the circular plate (9) are fixedly connected to scraping plates (10), and both scraping plates (10) are in contact with the crystallization tank (3).

3. The device for preparing zinc sulfate heptahydrate by cold liquid hot punching method according to claim 2, characterized in that: A centrifuge (16) is provided on the bottom plate (1), a crystal row tube (15) is provided on the top of the centrifuge (16), and one end of the crystal row tube (15) is sealedly connected to the crystallization tank (3).

4. The device for preparing zinc sulfate heptahydrate by cold liquid hot punching method according to claim 3, characterized in that: The crystallization tank (3) is provided with a groove 1, and the circular plate (9) rotates in the groove 1.

5. The device for preparing zinc sulfate heptahydrate by cold liquid hot punching method according to claim 4, characterized in that: A sealing gasket (17) is provided on the top of the circular plate (9) and one end of the circular tube (7), and the two sealing gaskets (17) are in contact and connected.

6. The device for preparing zinc sulfate heptahydrate by cold liquid hot punching method according to claim 5, characterized in that: A bearing is fixedly sleeved on the circular tube (7), the outer wall of the bearing is fixedly connected to the crystallization tank (3), a stirring impeller is provided on the circular tube (7), a grid plate (14) is provided in the crystallization tank (3), and the grid plate (14) is located between the stirring impeller and the scraping plate (10).

7. The device for preparing zinc sulfate heptahydrate by cold liquid hot punching method according to claim 6, characterized in that: A liquid inlet pipe is provided on the top of the crystallizer (3), a mother liquid storage tank is provided at one end of the liquid inlet pipe, a liquid discharge pipe is provided on one side of the crystallizer (3), a mother liquid recovery tank is provided at one end of the liquid discharge pipe, and a control module is provided on the crystallizer (3), and the control module is connected to the motor 1 (4) and the motor 2 (11).

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