CN214232838U - Crystallization container for high-temperature crystallization of manganese sulfate - Google Patents
Crystallization container for high-temperature crystallization of manganese sulfate Download PDFInfo
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- CN214232838U CN214232838U CN202022317842.3U CN202022317842U CN214232838U CN 214232838 U CN214232838 U CN 214232838U CN 202022317842 U CN202022317842 U CN 202022317842U CN 214232838 U CN214232838 U CN 214232838U
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Abstract
The utility model discloses a crystallization container for manganese sulfate high-temperature crystallization, which mainly comprises a tank body, a heat exchange half coil pipe and a stirring device, wherein the heat exchange half coil pipe is wound on the outer wall of the tank body and is used for connecting steam to heat manganese sulfate solution in the tank body; the stirring device comprises a driving mechanism, a stirring shaft and a plurality of stirring blades arranged on the stirring shaft at intervals; the length of the stirring blade positioned at the lowermost layer is smaller than that of each stirring blade positioned at the upper layer, and the interlayer spacing positioned at the lowermost layer is the smallest in the interlayer spacing formed between every two adjacent stirring blades. The utility model provides a crystallization container for manganese sulfate high temperature crystallization, equipment operation is stable, stirs the special setting of leaf size and interlamellar spacing, makes stirring intensity suitable, not only makes manganese sulfate can stir evenly in the crystallization process, makes the crystal of manganese sulfate crystallization reach the requirement again, is fit for mass production, and the throughput is big; meanwhile, the internal structure of the equipment is optimized, the manufacturing cost of the equipment is reduced, and the practicability is high.
Description
Technical Field
The utility model belongs to the technical field of chemical industry equipment, a crystallization equipment is related to, especially relate to a crystallization container for manganese sulfate high temperature crystallization.
Background
The existing manganese sulfate crystallization mainly comprises two methods, namely concentration crystallization and high-temperature crystallization. Concentration and crystallization are the most common and mature method, the process is mature, the equipment is mature, but the energy consumption is high. As a new technology for producing manganese sulfate, a high-temperature crystallization method is adopted, and various crystallization devices are still in a development stage. The existing crystallization equipment generally adopts a high-temperature high-pressure reaction kettle in the petrochemical industry, so that the equipment manufacturing cost is high, the crystallization capacity is small, and the crystallized manganese sulfate crystal is not ideal.
Therefore, the crystallization equipment that operates stably for the special development of manganese sulfate high temperature crystallization technology is the utility model discloses a problem that awaits solution urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a crystallization container for manganese sulfate high temperature crystallization to solve the problem that above-mentioned prior art exists, this equipment structure is reasonable, and the operation is stable, low in manufacturing cost, the crystal can reach the manganese sulfate requirement.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a crystallization container for manganese sulfate high temperature crystallization mainly includes:
a tank body;
the heat exchange half coil pipe is wound on the outer wall of the tank body and used for connecting steam to heat a manganese sulfate solution in the tank body;
the stirring device comprises a driving mechanism, a stirring shaft connected with the driving mechanism and a plurality of stirring blades arranged on the stirring shaft at intervals; the length of the stirring blades positioned at the lowest layer is smaller than that of the stirring blades positioned at the upper layer, and in the interlayer space formed between every two adjacent stirring blades, the interlayer space positioned at the lowest layer is the smallest.
Optionally, the tank further comprises a mechanical seal, and the mechanical seal adopts a double-end machine seal to ensure the sealability of the tank body.
Optionally, the driving mechanism comprises a motor and a speed reducer connected with the motor, the motor is erected at the top of the tank body through a frame, and the output end of the speed reducer is connected with the stirring shaft.
Optionally, the stirring device further comprises a bottom bearing, and the bottom end of the stirring shaft is connected with the tank body through the bottom bearing.
Optionally, the stirring blade is a downward-pressing type folding blade paddle.
Optionally, a head, an ear seat, a nameplate, a lifting lug, a frame flange and/or a plurality of pipeline instrument interfaces are/is arranged on the tank body.
Optionally, the lug seat is arranged on the outer side wall of the bottom of the tank body, the outer walls of the tank body above and below the lug seat are respectively wound with the heat exchange half-coil pipes, and the upper heat exchange half-coil pipe and the lower heat exchange half-coil pipe are communicated through a plurality of half-coil pipe sections; the half coil pipe sections and the lug seats are circumferentially arranged, and the half coil pipe sections are uniformly distributed between every two adjacent lug seats.
Optionally, the heat exchanger half coil is formed by rolling and welding steel plates.
Optionally, the jar body is the barrel, just the draw ratio of barrel is 3.6: 1.
optionally, the volume of the tank is at least 48m3Single containment of sulfuric acidThe volume of the manganese solution was 40m3The above.
The utility model discloses for prior art gain following technological effect:
the crystallization container for manganese sulfate high-temperature crystallization provided by the utility model has stable equipment operation, the crystallized crystals meet the requirement of manganese sulfate, and the crystallization container is suitable for mass production and has high production capacity; meanwhile, the internal structure of the equipment is optimized, and the manufacturing cost of the equipment is reduced. The utility model discloses a concrete beneficial effect as follows:
1. the size of the tank body is as follows: the length-diameter ratio of the cylinder body adopting the innovative design can effectively increase the specific heat exchange area of the tank body; the material of the tank body is a Q345+ TA10 composite plate, so that the corrosion of the manganese sulfate solution is prevented, impurity ions generated by the corrosion of the tank body are prevented from being brought into manganese sulfate to influence the quality of the manganese sulfate, and the manufacturing cost of the crystallization container is saved.
2. Mechanical sealing: and the double-end mechanical seal is adopted, so that the leakage of steam in the crystallization process can be prevented.
3. The special arrangement of the size of the stirring blades and the interlayer spacing ensures that the stirring strength is suitable, so that the manganese sulfate can be uniformly stirred in the crystallization process, and crystals crystallized from the manganese sulfate meet the requirements.
4. The arrangement of the bottom bearing controls the swinging amount of the stirring shaft in the rotating process, and protects the stirring shaft and mechanical seal.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a crystallization container for manganese sulfate high-temperature crystallization of the present invention;
FIG. 2 is a schematic view of the winding manner of the half coil pipe at the ear seat of the present invention;
FIG. 3 is a schematic view of the structure and installation of the bottom bearing of the present invention;
FIG. 4 is a schematic view of the distribution of the instrument pipe orifices on the tank body of the present invention;
FIG. 5 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 1;
wherein the reference numerals are: the device comprises a bottom bearing 1, a barrel 1-1, a PTFE shaft sleeve 1-2, a heat exchange half coil 2, an end enclosure 3, a barrel 4, an ear seat 5, a nameplate 6, a half coil section 7, a stirring device 8, a stirring shaft 8-1, a stirring blade 8-2, a lifting lug 9, a rack flange 10, a mechanical seal 11, a rack 12, a gear reducer 13 and a motor 14;
n1, a bearing hole; n2, a liquid level switch port; n3, a safety valve discharge port; n4, steam inlet; n5, feed inlet; n6, steam inlet; n7, a steam condensate water outlet; n8, feed inlet; n9, a flushing water port; S1/S2, a sight glass mouth; M1/M2: a manhole.
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.
The utility model aims at providing a crystallization container for manganese sulfate high temperature crystallization, this equipment structure is reasonable, and the operation is stable, low in manufacturing cost, and the crystal can reach the manganese sulfate requirement.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The first embodiment is as follows:
as shown in FIG. 1, the present embodiment provides a crystallization container for manganese sulfate high temperature crystallization, which mainly comprises a tank body, a heat exchange half coil, a stirring device and a mechanical seal. Wherein:
first, jar body
In this embodiment, as shown in fig. 1, the tank body mainly includes a cylinder 4, and a head 3, an ear seat 5, a nameplate 6, a lifting lug 9, a frame flange 10, and each pipeline meter interface installed on the cylinder 4. The tank body is used for providing a carrier for the crystallization of the manganese sulfate solution, so that the manganese sulfate solution is subjected to pressure rise and temperature rise in the tank body and is crystallized. In the embodiment, the material of the tank body is preferably a Q345+ TA10 composite plate, and TA10 mainly has the effects of preventing the corrosion of a manganese sulfate solution on the tank body and reducing impurity ions generated by the corrosion from being brought into a manganese sulfate product; since the crystallization temperature of the manganese sulfate is 150 ℃ and the pressure is 4 kg, the Q345 is selected to mainly ensure that the tank body can bear the temperature and the pressure required by the crystallization of the manganese sulfate.
In the embodiment, the length-diameter ratio of the cylinder 4 is set to be 3:1 to 4:1, so that the heat exchange area of the cylinder 4 can be effectively increased. Such as: when the diameter x length of the cylinder 4 is 2500 x 9000, the length-diameter ratio of 3.6 can effectively increase the heat exchange area of the cylinder 4; the volume of 48m3 can be more than 10t of manganese sulfate product each time, and the method is suitable for batch production.
Second, half coil pipe of heat transfer
In this embodiment, as shown in fig. 1 and 5, the heat exchange half coil 2 is preferably made by rolling and welding a steel plate with a diameter of 108 × 6/20# and is wound on the outer wall of the tank body to connect steam to heat the manganese sulfate solution in the tank body. In this embodiment, the size of the half coil is preferably phi 108, which is tailored according to the heat required by manganese sulfate crystallization.
In this embodiment, as shown in fig. 1-2, the ear seats 5 are disposed on the outer sidewall of the bottom of the tank body, and the plurality of ear seats 5 are circumferentially and uniformly distributed. The outer wall of the tank body above and below the lug seat 5 is respectively wound with a heat exchange half coil pipe 2, and the upper and lower heat exchange half coil pipes 2 are communicated through a plurality of half coil pipe sections 7. As shown in fig. 2, in this embodiment, it is preferable that the half coil pipe sections 7 are vertically arranged and closely distributed in the gap between each two adjacent ear seats 5 side by side, so as to cover the tank body between the two adjacent ear seats 5, thereby achieving the effect that the tank body is completely covered by the heat exchange half coil pipe. The winding mode of the heat exchange semi-coil pipe, particularly the ear seat,not only the pressure resistance of the tank body is increased, but also the heat exchange area of the whole tank body is increased, and the heat exchange area can reach 55m on the premise that the diameter multiplied by the length of the cylinder body 4 is preferably 2500 multiplied by 90002。
In addition, in the embodiment, the length-diameter ratio of the cylinder 4 is set to be 3:1 to 4:1, so that the tank body is higher as a whole, and the lug seat is arranged at a position close to the bottom of the tank body, so that the operation and the use are convenient.
Third, the stirring device
In this embodiment, as shown in fig. 1, the stirring device 8 mainly comprises a motor 14, a speed reducer 13, a frame 12, a stirring shaft 8-1, a stirring blade 8-2, and a bottom bearing 1. Stirring is required to play a role in uniformly exchanging heat of the manganese sulfate solution, manganese sulfate precipitation is prevented when the manganese sulfate solution is crystallized, and most importantly, the granularity of manganese sulfate crystal crystals is ensured to meet the requirement. In this embodiment, the rotation speed of the stirring device 8 is preferably 60r/min, the material of the stirring shaft 8-1 is preferably 45# + TA10, and the material of the stirring blade 8-2 is preferably TA10, so as to ensure the stirring strength and prevent the corrosion of the stirring. Meanwhile, the stirring blade 8-2 of the embodiment is preferably a downward-pressing type folding blade paddle, and the installation structure of the stirring blade is shown in fig. 6; the stirring vanes 8-2 are preferably provided in 8 layers, and the length of the stirring vanes 8-2 and the arrangement of the inter-layer distances of the stirring vanes 8-2 may preferably be as follows, provided that the diameter × length dimension of the cylinder 4 is preferably 2500 × 9000: the length of 7 layers of stirring leaves on the top is 1800mm, the length of stirring leaf at the bottom is 800mm, the interlamellar spacing of 7 layers of blades on the top is 1400mm, the interlamellar spacing of blade at the bottom is 330mm, and the stirring effect of manganese sulfate crystallization can be effectively guaranteed through the special design.
In addition, in this embodiment, as shown in fig. 3, the bottom bearing 1 mainly comprises a cylinder 1-1, a tetrafluoro bush 1-2 and a fixing bolt, the cylinder 1-1 is fixed to the bottom opening of the cylinder by the fixing bolt, and the tetrafluoro bush 1-2 is sleeved in the cylinder 1-1. The arrangement of the bottom bearing 1 controls the oscillating quantity of the stirring shaft during operation, and plays a role in protecting stirring and mechanical sealing; the bottom bearing 1 has a simple structure and is easy to maintain.
Four, mechanical seal
In this embodiment, as shown in fig. 1, the mechanical seal 11 is preferably a 206 double-ended mechanical seal made of TA10, which can ensure the sealing property and corrosion resistance of the crystallization container.
In this embodiment, as shown in fig. 1 and 4, each pipe meter interface is further configured on the cylinder 4, which is specifically as follows: the bottom bearing hole N1 is preferably a DN200 bearing hole and is used for installing the bottom bearing 1; the liquid level switch port N2 is preferably a DN40 port and is used for installing a liquid level meter; the safety valve discharge port N3 is preferably a DN100 discharge port and is used for installing a safety valve; the steam inlet N4 is preferably a medium-pressure steam inlet of DN50 and is used for introducing medium-pressure steam during discharging; feed inlet N5 is preferably DN100 feed inlet, from which the crystallization solution enters; the steam inlet N6 is preferably DN80, 16 kg saturated steam inlet, half-coil steam enters from it, and the crystallization solution is heated; the steam condensate water outlet N7 is preferably of DN65 outlet structure, and condensate water condensed after steam heat exchange is discharged; feed inlet N8 is preferably DN150, from which the crystallization solution enters the crystallization kettle; the flushing water port N9 is preferably a flushing water port DN65, and clean water is introduced to flush the crystallization kettle after the crystallization kettle is scaled; two sight glass ports are arranged, namely a sight glass port S1 and a sight glass port S2, and a glass sight glass is arranged in the sight glass port, so that the crystallization condition in the crystallization kettle is observed; manhole M1 and manhole M2 through which people enter the crystallization kettle during maintenance.
Therefore, the beneficial effects of the embodiment are as follows:
1. the yield of a single kettle is high: 48 cubic volume, 40m of manganese sulfate solution can be fed in one time3And the manganese sulfate product can be crystallized for more than 10t once.
2. High heat exchange efficiency: the temperature rise time of single crystallization is within 2h, and the crystallization time is shortened.
3. And (3) corrosion prevention: the tank body is made of a Q345+ TA10 composite plate, so that the problem of corrosion of a manganese sulfate solution is effectively solved, the service life of equipment is prolonged, and the purity of a product is guaranteed.
4. The manufacturing cost is saved: the tank body is designed by adopting a TA10+ Q345 composite plate, and the stirring shaft is designed by adopting 45# steel + TA10, so that the structural strength of the tank body and the stirring structure is ensured, and the manufacturing cost of equipment is reduced.
It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. A crystallization container for high-temperature crystallization of manganese sulfate is characterized by comprising:
a tank body;
the heat exchange half coil pipe is wound on the outer wall of the tank body and used for connecting steam to heat a manganese sulfate solution in the tank body;
the stirring device comprises a driving mechanism, a stirring shaft connected with the driving mechanism and a plurality of stirring blades arranged on the stirring shaft at intervals; the length of the stirring blades positioned at the lowest layer is smaller than that of the stirring blades positioned at the upper layer, and in the interlayer space formed between every two adjacent stirring blades, the interlayer space positioned at the lowest layer is the smallest.
2. The crystallization container for high-temperature crystallization of manganese sulfate according to claim 1, further comprising a mechanical seal, wherein the mechanical seal is a double-ended mechanical seal, so that the sealing performance of the container body is ensured.
3. The crystallization container for manganese sulfate high-temperature crystallization as claimed in claim 1, wherein the driving mechanism comprises a motor and a speed reducer connected with the motor, the motor is erected at the top of the tank body through a frame, and an output end of the speed reducer is connected with the stirring shaft.
4. The crystallization vessel for high-temperature crystallization of manganese sulfate according to claim 1, wherein the stirring device further comprises a bottom bearing, and the stirring shaft is connected with the tank body through the bottom bearing.
5. The crystallization vessel for high-temperature crystallization of manganese sulfate according to claim 1, wherein the stirring blade is a downward-pressing type folding blade paddle.
6. The crystallization container for high-temperature crystallization of manganese sulfate according to claim 1, wherein a seal head, an ear seat, a nameplate, a lifting lug, a frame flange and/or a plurality of pipeline instrument interfaces are/is arranged on the tank body.
7. The crystallization container for high-temperature crystallization of manganese sulfate according to claim 6, wherein the lug seats are arranged on the outer side wall of the bottom of the tank body, the outer walls of the tank body above and below the lug seats are respectively wound on the heat exchange half-coil pipes, and the upper heat exchange half-coil pipe and the lower heat exchange half-coil pipe are communicated through a plurality of half-coil pipe sections; the half coil pipe sections and the lug seats are circumferentially arranged, and the half coil pipe sections are uniformly distributed between every two adjacent lug seats.
8. The crystallization container for high-temperature crystallization of manganese sulfate according to claim 1, wherein the heat exchange half coil is formed by rolling a steel plate.
9. The crystallization container for manganese sulfate high-temperature crystallization as claimed in claim 1, wherein the tank body is a cylinder, and the length-diameter ratio of the cylinder is 3-4: 1.
10. the crystallization vessel for high-temperature crystallization of manganese sulfate according to claim 1, wherein the volume of the vessel body is at least 48m3The volume of manganese sulfate solution contained at a time is 40m3The above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022317842.3U CN214232838U (en) | 2020-10-19 | 2020-10-19 | Crystallization container for high-temperature crystallization of manganese sulfate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022317842.3U CN214232838U (en) | 2020-10-19 | 2020-10-19 | Crystallization container for high-temperature crystallization of manganese sulfate |
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| CN214232838U true CN214232838U (en) | 2021-09-21 |
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| CN202022317842.3U Active CN214232838U (en) | 2020-10-19 | 2020-10-19 | Crystallization container for high-temperature crystallization of manganese sulfate |
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