Device for continuously producing magnesium sulfate heptahydrate

Abstract

The utility model relates to the technical field of chemical production devices, and discloses a device for continuously producing magnesium sulfate heptahydrate, which comprises a production tank body, a support frame arranged on the surface of the production tank body, a feeding control device arranged at the top of the production tank body, an internal treatment device arranged inside the production tank body, and gas supply equipment arranged on the left side of the production tank body, the internal treatment device comprises a feeding pipe body, a side end connecting plate, an annular heating ring, a middle pipe fitting, a separation cylinder, a control valve, a reaction kettle, a crystallizer and a top end connecting disc. According to the device for continuously producing magnesium sulfate heptahydrate, the internal treatment device is arranged, the separation barrel and the control valve below are used for controlling the feeding amount, magnesium sulfate is continuously added into the crystallizer below for crystallization treatment, magnesium sulfate heptahydrate production is completed, the double filtering assemblies are arranged, solid impurities and a solution obtained after reaction can be separated, and the magnesium sulfate heptahydrate production efficiency is improved. The treated solution does not have impurities, the feeding amount can be controlled, and the machining precision can be guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a chemical production device technical field, concretely to a device for continuously producing magnesium sulfate heptahydrate. BACKGROUND

[0002] Magnesium sulfate is an inorganic chemical raw material, is a magnesium-containing compound, and exists in the form of anhydrous magnesium sulfate, monohydrate magnesium sulfate and magnesium sulfate heptahydrate, and can be used for tanning, explosives, papermaking, porcelain, fertilizer, and medical oral laxative, etc. Magnesium sulfate can also be used as magnesium fertilizer.

[0003] The prior art discloses a device for continuously producing magnesium sulfate heptahydrate with the publication number CN214892832U. The utility model wants to solve the technical problem of not having cleaning function and not having dust removal function. In order to solve the above technical problems, the utility model provides a device for continuously producing magnesium sulfate heptahydrate, which mainly consists of a cleaning and dust removal mechanism. The electric push rod, the second motor, the shaft, the scraper and the storage plate are set to clean the inside of the heat exchanger body before it works, to ensure normal production. At the same time, the plug-in block can be easily disassembled and fixed to the electric push rod after cleaning, which facilitates the next process. The first motor, the driving gear, the threaded cylinder, the screw and the air pump can remove dust from the surface of the heat exchanger body, prevent dust from reducing its service life and accuracy during work, and use the cooperation of the screw and the threaded cylinder to remove dust in a large area, which improves the work efficiency.

[0004] The above-mentioned device for producing magnesium sulfate heptahydrate has a cleaning and dust removal mechanism. Under the cooperation of the electric push rod, the second motor, the shaft, the scraper and the storage plate inside the cleaning and dust removal mechanism, the inside of the heat exchanger body can be cleaned before it works, to ensure normal production. However, the above-mentioned device does not have a filter assembly during production, and there is no way to separate the solid impurities and the solution after reaction. The treated solution will have impurities, which will affect the effect during use and needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a device for continuously producing magnesium sulfate heptahydrate to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a device for continuously producing magnesium sulfate heptahydrate, which comprises a production tank body, a support frame is arranged on the surface of the production tank body, an inlet control device is arranged on the top of the production tank body, an internal treatment device is arranged in the production tank body, a gas supply device is arranged on the left side of the production tank body, and a water supply device is arranged on the right side of the production tank body. The gas supply device and the water supply device are used for water and air supply to ensure normal reaction inside.

[0007] The internal processing device comprises a feeding pipe body, a side end connecting plate, an annular heating ring, an intermediate pipe, a partition cylinder, a control valve, a reaction kettle, a crystallizer and a top end connecting disc, the feeding pipe body is fixedly connected to the inner top end of the production tank body, the top end connecting disc is fixedly connected to the inner wall top of the production tank body, the side end connecting plate is fixedly connected to the bottom left side of the top end connecting disc, the partition cylinder is fixedly connected to the bottom of the feeding pipe body, the control valve is connected to the inside of the partition cylinder, and the intermediate pipe is fixedly connected to the bottom of the upper end partition cylinder.

[0008] Preferably, the feeding control device comprises a feeding piece, an inner primary filter screen plate, a connecting block, a limiting sliding seat, an inner sliding block, a hydraulic telescopic rod and a feeding pipe, the connecting block is slidingly connected to the top of the production tank body, the limiting sliding seat is fixedly connected to the top right side of the production tank body, the inner sliding block is fixedly connected to the right side of the connecting block, the hydraulic telescopic rod is fixedly connected to the back of the limiting sliding seat, the hydraulic telescopic rod is fixedly connected to the back of the inner sliding block, and the feeding piece is fixedly connected to the top of the connecting block.

[0009] Preferably, the annular heating ring is a tin furnace round heating core heating ring, and the heating ring is used for heat preservation; when the internal mixing and concentrating assembly is processed, the internal heating assembly is matched with the annular heating ring, which is an external heating assembly, so that the reaction rate is accelerated.

[0010] Preferably, a sliding groove is formed in the limiting sliding seat, the width of the sliding groove is matched with the thickness of the inner sliding block, the inner sliding block is slidingly connected to the inside of the limiting sliding seat, the limiting sliding seat limits the sliding of the inner sliding block, the stability of the sliding of the feeding piece and the inner primary filter screen plate is ensured, and deviation of the feeding piece and the inner primary filter screen plate is avoided.

[0011] Preferably, the lower end partition cylinder is connected to the bottom of the reaction kettle, and the crystallizer is connected to the bottom of the lower end partition cylinder.

[0012] Preferably, the inner primary filter screen plate is fixedly connected to the inside of the feeding piece, and the feeding pipe is fixedly connected to the top of the supporting frame.

[0013] Preferably, the annular heating ring is fixedly connected to the right side of the side end connecting plate.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The device for continuously producing magnesium sulfate heptahydrate, by setting the internal processing device, using the lower separation cylinder and the control valve to control the amount of feeding, continuously adding to the lower crystallizer for crystallization treatment, completing the production of magnesium sulfate heptahydrate, setting the double filtration assembly, which can separate the solid impurities after reaction and the solution, the treated solution will not have impurities and can control the feeding amount, which can ensure the processing precision.

[0016] 2. The device for continuously producing magnesium sulfate heptahydrate, by setting the feeding control device, which can filter and feed, and when adding components that do not need to be filtered or cleaning the internal primary filter screen, the hydraulic telescopic rod can drive the internal sliding block to slide backward, the feeding piece moves backward and no longer contacts the feeding pipe, at this time, the blockage is no longer formed, raw materials can be added through the feeding pipe, and the internal primary filter screen can be cleaned, which can control the feeding treatment and is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a three-dimensional structure schematic view of the production tank body, support frame and feeding control device of the utility model;

[0019] Figure 3 It is the utility model Figure 2 It is an enlarged structure schematic view of A in the middle;

[0020] Figure 4 It is a three-dimensional structure schematic view of the internal processing device of the utility model.

[0021] In the drawing: 1, production tank body; 2, support frame; 3, feeding control device; 301, feeding piece; 302, internal primary filter screen; 303, connecting block; 304, limit sliding seat; 305, internal sliding block; 306, hydraulic telescopic rod; 307, feeding pipe; 4, internal processing device; 401, feeding pipe body; 402, side end connecting plate; 403, annular heating ring; 404, middle pipe; 405, separation cylinder; 406, control valve; 407, reaction kettle; 408, crystallizer; 409, top end connecting disc; 5, gas supply equipment; 6, water supply equipment. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides the following technical scheme:

[0024] A device for continuously producing magnesium sulfate heptahydrate, comprising a production tank 1, a support frame 2 is provided on the surface of the production tank 1, a feed control device 3 is provided on the top of the production tank 1, an internal treatment device 4 is provided inside the production tank 1, a gas supply equipment 5 is provided on the left side of the production tank 1, and a water supply equipment 6 is provided on the right side of the production tank 1.

[0025] The internal treatment device 4 comprises a feed pipe body 401, a side end connecting plate 402, an annular heating ring 403, a middle pipe 404, a separation cylinder 405, a control valve 406, a reaction kettle 407, a crystallizer 408, and a top end connecting disc 409. The feed pipe body 401 is fixedly connected to the inner top end of the production tank 1. The top end connecting disc 409 is fixedly connected to the inner wall top of the production tank 1. The side end connecting plate 402 is fixedly connected to the bottom left side of the top end connecting disc 409. The separation cylinder 405 is fixedly connected to the bottom of the feed pipe body 401. The control valve 406 is connected to the inside of the separation cylinder 405. The middle pipe 404 is fixedly connected to the bottom of the upper separation cylinder 405. The reaction kettle 407 is fixedly connected to the bottom of the upper middle pipe 404. The annular heating ring 403 is fixedly connected to the right side of the side end connecting plate 402. The annular heating ring 403 is a tin furnace round heating core heating ring. The heating ring is used for heat preservation. When the internal mixing and concentrating assembly is treated, the internal heating assembly is matched with the external heating assembly of the annular heating ring 403. The reaction rate is accelerated. The lower separation cylinder 405 is connected to the bottom of the reaction kettle 407. The crystallizer 408 is connected to the bottom of the lower separation cylinder 405.

[0026] The feed control device 3 comprises a feed piece 301, an inner primary filter screen plate 302, a connecting block 303, a limiting sliding seat 304, an inner sliding block 305, a hydraulic telescopic rod 306, and a feed pipe 307. The connecting block 303 is slidingly connected to the top of the production tank 1. The limiting sliding seat 304 is fixedly connected to the top right side of the production tank 1. The inner sliding block 305 is fixedly connected to the right side of the connecting block 303. The hydraulic telescopic rod 306 is fixedly connected to the inside back of the limiting sliding seat 304. The hydraulic telescopic rod 306 is fixedly connected to the back of the inner sliding block 305. The feed piece 301 is fixedly connected to the top of the connecting block 303. A sliding groove is formed in the inside of the limiting sliding seat 304. The width of the sliding groove is matched with the thickness of the inner sliding block 305. The inner sliding block 305 is slidingly connected to the inside of the limiting sliding seat 304. The limiting sliding seat 304 limits the sliding of the inner sliding block 305, ensures the stability of the sliding of the feed piece 301 and the inner primary filter screen plate 302, and avoids the deviation of the feed piece 301 and the inner primary filter screen plate 302 to avoid the omission during filtering. The inner primary filter screen plate 302 is fixedly connected to the inside of the feed piece 301. The feed pipe 307 is fixedly connected to the top of the support frame 2.

[0027] In use, the raw material feeding operation can be carried out through the feeding control device 3 arranged at the top of the production tank body 1. When the raw material that needs to be filtered is added, it needs to pass through the inner primary filter screen plate 302. At this time, the hydraulic telescopic rod 306 needs to be started to drive the inner sliding block 305 to slide forward and adhere to the inside of the limiting sliding seat 304 until the feeding piece 301 moves to the top position of the feeding pipe 307. At this time, the feeding will pass through the upper end inner primary filter screen plate 302, which can filter and then feed. When adding components that do not need to be filtered or cleaning the inner primary filter screen plate 302, the hydraulic telescopic rod 306 can be started to drive the inner sliding block 305 to slide backward. The feeding piece 301 moves backward and no longer contacts the feeding pipe 307. At this time, the blockage is no longer formed. The raw material can be added through the feeding pipe 307, and the inner primary filter screen plate 302 can be cleaned. The feeding control treatment can be carried out, and the use is convenient. The raw material enters the position through the feeding pipe body 401 into the partition cylinder 405, and then the entering of the raw material can be controlled through the control valve 406 to enter the inside of the reaction kettle 407 for mixing treatment. The processing is completed by controlling the amount of entering through the lower partition cylinder 405 and the control valve 406, and then the raw material is continuously added to the crystallizer 408 below for crystallization treatment. The production of magnesium sulfate heptahydrate is completed. The double-filtering assembly is arranged, which can separate the solid impurities and the solution after reaction. The treated solution does not have impurities and can control the feeding amount, so that the processing precision can be ensured.

[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An apparatus for continuous production of magnesium sulfate heptahydrate, comprising a production tank (1), characterized in that: The surface of the production tank (1) is provided with a support frame (2), the top of the production tank (1) is provided with a feeding control device (3), the inside of the production tank (1) is provided with an internal processing device (4), the left side of the production tank (1) is provided with an air supply device (5), and the right side of the production tank (1) is provided with a water supply device (6). The internal processing device (4) includes a feed pipe (401), a side end connecting plate (402), an annular heating coil (403), an intermediate pipe (404), a separator (405), a control valve (406), a reactor (407), a crystallizer (408), and a top connecting plate (409). The feed pipe (401) is fixedly connected to the top of the inside of the production tank (1). The top connecting plate (409) is fixedly connected to the top of the inner wall of the production tank (1). The side end connecting plate (402) is fixedly connected to the bottom left side of the top connecting plate (409). The separator (405) is fixedly connected to the bottom of the feed pipe (401). The control valve (406) is connected to the inside of the separator (405). The intermediate pipe (404) is fixedly connected to the bottom of the upper separator (405). The reactor (407) is fixedly connected to the bottom of the upper intermediate pipe (404).

2. The apparatus for continuous production of magnesium sulfate heptahydrate according to claim 1, characterized in that: The feeding control device (3) includes a feeding component (301), an inner primary filter plate (302), a connecting block (303), a limiting slide (304), an inner slider (305), a hydraulic telescopic rod (306), and a feeding pipe (307). The connecting block (303) is slidably connected to the top of the production tank (1). The limiting slide (304) is fixedly connected to the right side of the top of the production tank (1). The inner slider (305) is fixedly connected to the right side of the connecting block (303). The hydraulic telescopic rod (306) is fixedly connected to the back of the inner side of the limiting slide (304). The hydraulic telescopic rod (306) is fixedly connected to the back of the inner slider (305). The feeding component (301) is fixedly connected to the top of the connecting block (303).

3. The apparatus for continuous production of magnesium sulfate heptahydrate according to claim 1, characterized in that: The annular heating coil (403) is a tin furnace circular heating core heating coil.

4. The apparatus for continuous production of magnesium sulfate heptahydrate according to claim 2, characterized in that: The limiting slide (304) has a groove inside, the width of which is adapted to the thickness of the inner slider (305), and the inner slider (305) is slidably connected to the inside of the limiting slide (304).

5. The apparatus for continuous production of magnesium sulfate heptahydrate according to claim 1, characterized in that: The lower separator (405) is connected to the bottom of the reactor (407), and the crystallizer (408) is connected to the bottom of the lower separator (405).

6. The apparatus for continuous production of magnesium sulfate heptahydrate according to claim 2, characterized in that: The inner primary filter plate (302) is fixedly connected to the inside of the feed member (301), and the feed pipe (307) is fixedly connected to the top of the support frame (2).

7. The apparatus for continuous production of magnesium sulfate heptahydrate according to claim 1, characterized in that: The annular heating coil (403) is fixedly connected to the right side of the side end connecting plate (402).

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