CN215352076U - Cooling crystallization device for magnesium sulfate production - Google Patents
Cooling crystallization device for magnesium sulfate production Download PDFInfo
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- CN215352076U CN215352076U CN202120962182.6U CN202120962182U CN215352076U CN 215352076 U CN215352076 U CN 215352076U CN 202120962182 U CN202120962182 U CN 202120962182U CN 215352076 U CN215352076 U CN 215352076U
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Abstract
The utility model relates to the technical field of magnesium sulfate production, and provides a cooling crystallization device for magnesium sulfate production, which comprises a container for containing a magnesium sulfate solution, and the cooling crystallization device for magnesium sulfate production further comprises: a transport mechanism for transporting the containers; and the crystallizing box is used for crystallizing magnesium sulfate heptahydrate, the conveying mechanism penetrates through the crystallizing box, a high-temperature cavity used for forming a saturated solution of magnesium sulfate and a low-temperature cavity used for forming magnesium sulfate heptahydrate crystals are arranged in the crystallizing box, a condenser used for condensing and releasing heat and an evaporator used for evaporating and absorbing heat are respectively arranged in the high-temperature cavity and the low-temperature cavity, and the condenser and the evaporator are communicated through a refrigerating and heating unit assembly. Through the setting of high temperature chamber, low temperature chamber, condenser and evaporimeter, the condenser is exothermic provides steam for the high temperature chamber, and the evaporimeter heat absorption provides air conditioning for the low temperature chamber, utilizes the carnot circulation to refrigerate and heat, has reduced the consumption of the energy by a wide margin.
Description
Technical Field
The utility model relates to the technical field of magnesium sulfate production, in particular to a cooling and crystallizing device for magnesium sulfate production.
Background
The magnesium sulfate is a colorless or white crystal or powder, has no odor and bitter taste, is easy to deliquesce in the air, and is not easy to store; magnesium sulfate heptahydrate is not easy to deliquesce, is easier to weigh than anhydrous magnesium sulfate, and is convenient to quantitatively control in industry, so that the magnesium sulfate heptahydrate is widely applied to agriculture, sewage treatment, textile industry, paper industry and the like.
The industrial production method of magnesium sulfate heptahydrate crystals is mainly low-temperature cooling crystallization, and in order to improve the purity and yield of the magnesium sulfate heptahydrate crystals, saturated magnesium sulfate solution is preferably used for cooling crystallization.
However, the saturated magnesium sulfate solution needs to be heated and then needs to be cooled and crystallized at low temperature, and the two existing production processes are independent, so that the energy consumption is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cooling crystallization device for magnesium sulfate production, and aims to solve the problems that the temperature of a saturated magnesium sulfate solution needs to be raised, the solution needs to be cooled and crystallized subsequently, the two existing production processes are independent, and the energy consumption is high.
In order to achieve the above object, the present invention provides a cooling crystallization device for magnesium sulfate production, including a container for holding a magnesium sulfate solution, and further including:
a transport mechanism for transporting the containers; and
the crystallization box is used for crystallizing magnesium sulfate heptahydrate, the conveying mechanism penetrates through the crystallization box, a high-temperature cavity used for forming saturated solution of magnesium sulfate heptahydrate and a low-temperature cavity used for forming magnesium sulfate heptahydrate crystals are arranged in the crystallization box, a condenser used for condensing and releasing heat and an evaporator used for evaporating and absorbing heat are respectively arranged in the high-temperature cavity and the low-temperature cavity, and the condenser and the evaporator are communicated through a refrigerating and heating unit assembly.
In conclusion, the beneficial effects of the utility model are as follows:
through the setting of high temperature chamber, low temperature chamber, condenser and evaporimeter, the condenser is exothermic and provides steam for the high temperature chamber, and the evaporimeter heat absorption utilizes the carnot circulation to refrigerate and heat for the low temperature chamber provides air conditioning, has reduced the consumption of the energy by a wide margin, and in addition, whole production process has formed the assembly line, and production efficiency is high.
Drawings
FIG. 1 is a schematic diagram of the internal structure of a cooling crystallization device for magnesium sulfate production.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.
Reference numerals: 1-frame, 2-conveying mechanism, 3-crystallizing box, 4-high temperature cavity, 5-low temperature cavity, 6-electric heater, 7-refrigerator, 8-clapboard, 9-penetrating port, 10-feeding port, 11-discharging port, 12-heat insulation curtain, 13-limiting plate, 14-container, 15-protective cover, 16-blower, 17-compressor, 18-condenser, 19-throttling device, 20-evaporator, 21-condenser inlet pipe, 22-condenser outlet pipe, 23-evaporator inlet pipe, 24-evaporator outlet pipe, 25-condenser box, 26-first fan, 27-first ventilating opening, 28-evaporator box, 29-second fan and 30-second ventilating opening.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1, fig. 2 and fig. 3, a cooling crystallization apparatus for magnesium sulfate production according to an embodiment of the present invention includes a container 14 for containing a magnesium sulfate solution, and is characterized in that the cooling crystallization apparatus for magnesium sulfate production further includes:
a transport mechanism 2 for transporting the containers 14; and
the magnesium sulfate heptahydrate crystallization device comprises a crystallization box 3 for crystallizing magnesium sulfate heptahydrate, a conveying mechanism 2 penetrates through the crystallization box 3, a high-temperature cavity 4 for forming saturated solution of magnesium sulfate and a low-temperature cavity 5 for forming magnesium sulfate heptahydrate crystals are arranged in the crystallization box 3, a condenser 18 for condensing and releasing heat and an evaporator 20 for evaporating and absorbing heat are respectively arranged in the high-temperature cavity 4 and the low-temperature cavity 5, and the condenser 18 and the evaporator 20 are communicated through a refrigerating and heating element assembly.
In the embodiment of the utility model, the conveying mechanism 2 is fixedly arranged on the frame 1, the crystallization box 3 is also fixedly arranged on the frame 1, the crystallization box 3 is provided with a feed inlet 10 and a discharge outlet 11, the conveying mechanism 2 simultaneously penetrates through the feed inlet 10 and the discharge outlet 11, the conveying mechanism 2 can be a chain conveyor or a belt conveyor, when in use, firstly, magnesium sulfate solution is poured into the container 14, excessive magnesium sulfate is added, then the container 14 enters the high-temperature cavity 4, the temperature of the magnesium sulfate solution is increased, the excessive magnesium sulfate is dissolved to form saturated magnesium sulfate solution, then the container 14 enters the low-temperature cavity 5, the saturated magnesium sulfate solution slowly crystallizes and separates out at low temperature to generate magnesium sulfate heptahydrate crystals, the magnesium sulfate heptahydrate crystals are output from the discharge outlet 11, and in addition, an electric heater 6 and a refrigerator 7 are respectively arranged in the high-temperature cavity 4 and the low-temperature cavity 5, the electric heater 6 and the refrigerator 7 can be used as temperature compensation, and normal production operation can be guaranteed.
Referring to fig. 1, 2 and 3, in one embodiment of the present invention, the refrigerating and heating element assembly includes:
a compressor 17 for converting the low-temperature and low-pressure gaseous refrigerant into a high-temperature and high-pressure gaseous refrigerant, wherein the compressor 17 is communicated with the condenser 18 through a condenser inlet pipe 21, and the compressor 17 is communicated with the evaporator 20 through an evaporator outlet pipe 24;
the throttling device 19 is used for converting high-pressure liquid refrigerant into low-pressure liquid refrigerant, the throttling device 19 is communicated with the condenser 18 through a condenser outlet pipe 22, and the throttling device 19 is communicated with the evaporator 20 through an evaporator 23 inlet pipe; and
a diffusion assembly for rapidly diffusing hot air generated from the condenser 18 and cold air generated from the evaporator 20, the diffusion assembly comprising:
a first fan 26 for diffusing hot gas generated from the condenser 18 into the high temperature chamber 4; and
and a second fan 29 for diffusing the cold air generated from the evaporator 20 into the low temperature chamber 5.
In the embodiment of the present invention, the evaporator 20, the condenser 18, and the compressor 17 are all filled with a refrigerant, the refrigerant is R410A or R134a, and the throttling device 19 is a capillary tube or an electronic expansion valve. When the compressor 17 works, the compressor 17 converts the low-temperature low-pressure gaseous refrigerant into the high-temperature high-pressure gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant enters the condenser 18, the condenser 18 converts the high-temperature high-pressure gaseous refrigerant into the high-temperature high-pressure liquid refrigerant, the high-temperature high-pressure liquid refrigerant is further converted into the low-pressure liquid refrigerant through the throttling device 19, the low-pressure liquid refrigerant enters the evaporator 20, the evaporator 20 converts the low-pressure liquid refrigerant into the low-temperature low-pressure gaseous refrigerant, and the low-temperature low-pressure gaseous refrigerant finally returns to the compressor 17 to circulate in a reciprocating manner; in this cycle, the evaporator 20 is able to absorb heat while the condenser 18 is able to release heat.
In the embodiment of the present invention, the condenser 18 is fixedly installed inside a condenser box 25, a first fan 26 is installed in the condenser box 25, a first vent 27 is provided on the condenser box 25, and the first fan 26 diffuses hot air into the high temperature chamber 4 through the first vent 27; the evaporator 20 is fixedly arranged inside an evaporator box 28, a second fan 19 is arranged in the evaporator box 28, a second ventilation opening 30 is formed in the evaporator box 28, and cold air is diffused into the low-temperature cavity 5 through the second ventilation opening 30 by the second fan 29.
Referring to fig. 1, in an embodiment of the present invention, a blocking assembly for preventing hot air in the high temperature chamber 4 and cold air in the low temperature chamber 5 from flowing each other is disposed between the high temperature chamber 4 and the low temperature chamber 5, and the blocking assembly includes: a partition plate 8 for separating the high-temperature chamber 4 from the low-temperature chamber 5, wherein the partition plate 8 is provided with a through hole 9 for allowing the container 14 to pass through; and a flow guide for preventing the flow of hot and cold air toward the through-hole 9.
In the embodiment of the utility model, the partition plate 8 is fixedly connected with the inner side wall of the crystallization box 3, fans 16 are mounted on both sides of the partition plate 8, the fans 16 are flow guide members, the fans 16 are used for blowing back air flowing to the through hole 9, and heat insulation curtains 12 are mounted at the through hole 9, the feed inlet 10 and the discharge outlet 1.
In the embodiment of the utility model, the conveying mechanism 2 is provided with a limiting component for preventing the containers 14 from moving relatively in the conveying process, the limiting component is composed of a plurality of limiting plates 13, the limiting plates 13 are fixedly connected with the conveying belt on the conveying mechanism 2, and when the conveying mechanism is used, the containers 14 are placed between the two limiting plates 13, so that the containers 14 cannot move relatively in the conveying process.
The working process of the embodiment of the utility model is as follows: when the magnesium sulfate solution cooling device is used, the compressor 17 and the conveying mechanism 2 are started, the magnesium sulfate solution is poured into the container 14, excessive magnesium sulfate is added, then the container 14 enters the high-temperature cavity 4, the temperature of the magnesium sulfate solution rises, the excessive magnesium sulfate is dissolved to form a saturated magnesium sulfate solution, then the container 14 enters the low-temperature cavity 5, the saturated magnesium sulfate solution is slowly crystallized and separated out at low temperature to generate magnesium sulfate heptahydrate crystals, and the magnesium sulfate heptahydrate crystals are output from the discharge hole 11.
Although the embodiments and examples of the present invention have been described for those skilled in the art, these embodiments and examples are provided as examples and are not intended to limit the scope of the present invention. These new embodiments can be implemented in other various ways, and various omissions, substitutions, and changes can be made without departing from the spirit of the utility model. These embodiments and modifications thereof are included in the scope and gist of the utility model, and are included in the scope of the utility model described in the claims and the equivalent thereof.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The cooling crystallization device for magnesium sulfate production comprises a container for containing a magnesium sulfate solution, and is characterized by further comprising:
a transport mechanism for transporting the containers; and
the crystallization box is used for crystallizing magnesium sulfate heptahydrate, the conveying mechanism penetrates through the crystallization box, a high-temperature cavity used for forming saturated solution of magnesium sulfate heptahydrate and a low-temperature cavity used for forming magnesium sulfate heptahydrate crystals are arranged in the crystallization box, a condenser used for condensing and releasing heat and an evaporator used for evaporating and absorbing heat are respectively arranged in the high-temperature cavity and the low-temperature cavity, and the condenser and the evaporator are communicated through a refrigerating and heating unit assembly.
2. The cooling crystallization device for magnesium sulfate production according to claim 1, wherein the cooling and heating element assembly comprises:
the compressor is used for converting the low-temperature low-pressure gaseous refrigerant into the high-temperature high-pressure gaseous refrigerant, the compressor is communicated with the condenser through a condenser inlet pipe, and the compressor is communicated with the evaporator through an evaporator outlet pipe;
the throttling device is communicated with the condenser through a condenser outlet pipe, and the throttling device is communicated with the evaporator through an evaporator inlet pipe; and
and a diffusion assembly for rapidly diffusing the hot gas generated from the condenser and the cold gas generated from the evaporator.
3. The cooling crystallization apparatus for magnesium sulfate production as set forth in claim 2, wherein the diffusion member comprises:
a first fan for diffusing hot gas generated from the condenser into the high temperature chamber; and
and a second fan for diffusing the cold air generated from the evaporator into the low temperature chamber.
4. The cooling crystallization device for magnesium sulfate production as claimed in claim 1, wherein a blocking assembly for preventing the hot gas in the high temperature chamber and the cold gas in the low temperature chamber from flowing each other is provided between the high temperature chamber and the low temperature chamber.
5. The cooling crystallization device for magnesium sulfate production according to claim 4, wherein the barrier assembly comprises:
the partition plate is used for separating the high-temperature cavity from the low-temperature cavity, and a through hole for the container to pass through is formed in the partition plate;
a flow guide member for preventing the flow of the hot gas and the cold gas to the through hole.
6. The cooling crystallization device for magnesium sulfate production according to claim 1, wherein the conveying mechanism is provided with a limiting component for preventing the containers from moving relatively in the conveying process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120962182.6U CN215352076U (en) | 2021-05-07 | 2021-05-07 | Cooling crystallization device for magnesium sulfate production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120962182.6U CN215352076U (en) | 2021-05-07 | 2021-05-07 | Cooling crystallization device for magnesium sulfate production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215352076U true CN215352076U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120962182.6U Active CN215352076U (en) | 2021-05-07 | 2021-05-07 | Cooling crystallization device for magnesium sulfate production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215352076U (en) |
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2021
- 2021-05-07 CN CN202120962182.6U patent/CN215352076U/en active Active
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