CN206688271U - A kind of seed crystal purifies horizontal crystallizer - Google Patents
A kind of seed crystal purifies horizontal crystallizer Download PDFInfo
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- CN206688271U CN206688271U CN201621378011.4U CN201621378011U CN206688271U CN 206688271 U CN206688271 U CN 206688271U CN 201621378011 U CN201621378011 U CN 201621378011U CN 206688271 U CN206688271 U CN 206688271U
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- horizontal crystallizer
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Abstract
The utility model provides a kind of seed crystal and purifies horizontal crystallizer, it is characterised in that：Including tank body, tank interior is divided into the connected crystallisation chamber of multiple gas phases by several longitudinally disposed cooled partitions, each crystallisation chamber bottom is provided with crystal discharging opening, crystal discharge outlet is provided inwardly with a taper material guiding hopper, the top of the taper material guiding hopper is tightly connected with tank wall or cooled partition, bottom is tightly connected with the crystal discharging opening, and the side wall of the taper material guiding hopper is provided with seed slot.Relative to prior art, seed crystal described in the utility model purifies horizontal crystallizer and provides a kind of crystallization mode rapidly and efficiently, and preferable through the system acquisition crystalline product crystal formation, and purity is higher.
Description
Technical field
The utility model belongs to chemical production technical field, and horizontal crystallizer is purified more particularly, to a kind of seed crystal.
Background technology
In the subtractive process of binary acid, process for separation and purification in the market is mainly carried out dibasic acid fermentation liquor
After membrane filtration, it is less than 5% that filtrate is diluted to concentration with a large amount of water, adds sulfuric acid acidifying, makes the conversion growth of long-chain biatomic acid salt
Chain binary acid crystal separates out, and is washed after filtering, is dried to obtain crude product binary acid, then uses solvent recrystallization again, it is isolated most
Finally finished long-chain biatomic acid.With the method production long-chain biatomic acid, not only process route is grown, complex steps, due to being entered using sulfuric acid
Row acidifying so that use can not be reclaimed by producing the largely waste water containing sulfate ion in production, be also not susceptible to carry out biochemistry
Processing.The dicarboxylic acid product crystal formation produced is bad, and purity is not high.
Based on above mentioned problem, a kind of knot of the new binary acid disodium salt in long-chain biatomic acid subtractive process have developed
Crystal technique is simultaneously directed to the crystallization technique and devises a kind of novel seed crystal of widely applicable structure and purify horizontal crystallizer, so as to
It is preferable to obtain crystal formation, the higher long-chain biatomic acid crystal of purity.
Utility model content
In view of this, the utility model is directed to a kind of seed crystal and purifies horizontal crystallizer, to solve prior art presence
The problem of.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of seed crystal purifies horizontal crystallizer, including tank body, and tank interior is by several longitudinally disposed cooled partitions point
The connected crystallisation chamber of multiple gas phases is cut into, each crystallisation chamber bottom is provided with crystal discharging opening, and crystal discharge outlet is provided inwardly with one
Taper material guiding hopper, top and the tank wall or cooled partition of the taper material guiding hopper are tightly connected, and bottom goes out with the crystal
Material mouth is tightly connected, and the side wall of the taper material guiding hopper is provided with seed slot.
Further, the crystal discharge outlet is provided with a mixing plant, and one end of the agitating shaft of the mixing plant is worn
Cross crystal discharging opening to put in the tank interior and be provided with agitating paddle in the end, the other end and the motor outside tank body
It is connected.
Further, the outside of the crystal discharging opening is provided with opposite opened switch gate.
Further, the cooled partition inner hollow and internal cooling coil pipe is provided with, the tank body of the horizontal crystallizer
Outside is provided with outside cooling coil, and the internal cooling coil pipe is interconnected with the outside cooling coil.
Further, the side wall of the taper material guiding hopper is provided with seed slot installing port, is all provided with above and below installing port
Limited location is raised, and the shape of the opening shape of the seed slot and the seed crystal installing port matches, and seed slot upper end passes through
Hook is fixed on the spacing preiection above seed slot installing port, and lower end is overlapped on below seed slot installing port by overlap edge
It is in side wall and spacing by the spacing preiection of lower section.
Relative to prior art, seed crystal described in the utility model purifies horizontal crystallizer and had the advantage that：
Horizontal crystallizer disclosed in the utility model is directed to the gradient cooling of crystalline product and wanting for seed crystal purification cooling
Ask and be specifically designed, there is provided a kind of crystallization mode rapidly and efficiently, crystalline rate is high, and sets stirring dress in crystallization discharging opening
Put, reaction stirring can be played a part of, while the blockage problem during crystallization discharging can be prevented, while have structure simple
List is compact, manufacturing cost is low, and exchange heat good cooling results, and consume energy low advantage；And seed crystal of the present utility model is purified into horizontal knot
Brilliant machine, which is applied in the binary acid Disodium salt crystal system in long-chain biatomic acid subtractive process, obtains binary acid Disodium salt crystal crystalline substance
Type is preferable, and purity is higher, substantially increases the quality of product.
Brief description of the drawings
Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the structural representation of the horizontal crystallizer described in the utility model embodiment；
Fig. 2 is the partial enlarged drawing of the seed slot shown in the utility model Fig. 1 and taper material guiding hopper connecting portion；
Fig. 3 is that the binary acid Disodium salt crystal system architecture in long-chain biatomic acid subtractive process described in the utility model is shown
It is intended to.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Binary acid Disodium salt crystal system in a kind of long-chain biatomic acid subtractive process, as shown in figure 3, including being sequentially connected
Fermentation vat, purpose ceramic-film filter, quadruple effect plate-type evaporator, the first crystallizer, the first centrifuge, triple effect plate-type evaporator,
Two crystallizers and the second centrifuge, wherein described quadruple effect plate-type evaporator and triple effect plate-type evaporator with the fermentation vat phase
Connection, first and second centrifuge are connected with material collection storehouse；First and second centrifuge also respectively with life
Change processing system to be connected, for handling the gained waste liquid after centrifugation.
Wherein, in order to meet the crystallization requirement of binary acid disodium salt in said system, first and second crystallizer is equal
Horizontal crystallizer is purified using seed crystal, as shown in Fig. 1~2, the horizontal crystallizer includes tank body 1, by several inside tank body 1
Longitudinally disposed cooled partition 2 is divided into the connected crystallisation chamber of multiple gas phases, and each crystallisation chamber bottom is provided with crystal discharging opening 3,
A taper material guiding hopper 4, top and tank wall or the cooled partition 2 of the taper material guiding hopper 4 are provided inwardly with crystal discharging opening 3
It is tightly connected, bottom is tightly connected with the crystal discharging opening 3, and the side wall of the taper material guiding hopper 4 is provided with seed slot 5.
In order to prevent or prevent blockage problem during crystal discharging, the crystal discharge outlet is provided with a mixing plant 6, institute
The one end for stating the agitating shaft of mixing plant 6 puts in the tank interior through crystal discharging opening and is provided with stirring in the end
Oar, the other end are connected with the motor outside tank body 1；The outside of crystal discharging opening is provided with opposite opened switch gate 7, switch gate
The structure coordinated with mixing plant is provided with 7 docking ports, not influence the fortune of mixing plant after the switch gate closure in crystallization
Turn.
In order to ensure cooling effect, cooldown rate is improved, the cooled partition inner hollow is simultaneously provided with internal cooling coil pipe
8, the tank body outside of the horizontal crystallizer is provided with outside cooling coil 9, the internal cooling coil pipe 8 and the outside cooler pan
Pipe 9 is interconnected.
Specifically, the fixed form of the seed slot is：The side wall of the taper material guiding hopper is provided with seed slot installing port,
Spacing preiection 41, the shape phase of the opening shape of the seed slot and the seed crystal installing port are equipped with above and below installing port
Matching, and seed slot upper end, by linking up with the spacing preiection 41 being fixed on above seed slot installing port, lower end passes through overlap edge
It is overlapped in the side wall below seed slot installing port and spacing by the spacing preiection 41 of lower section.
Working method of the present utility model is：
By the zymotic fluid of long-chain biatomic acid after ceramic filter membrane filtration by quadruple effect plate-type evaporator concentration after, enter
Horizontal crystallizer decrease temperature crystalline, most of binary acid disodium salt crystal is centrifuged out, the mother liquor after centrifugation is passed through the board-like steaming of triple effect
After sending out device concentration, horizontal crystallizer decrease temperature crystalline is entered back into, remaining binary acid disodium salt crystal is obtained after centrifugation.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (5)
1. a kind of seed crystal purifies horizontal crystallizer, it is characterised in that：Including tank body, tank interior is longitudinally disposed cold by several
But dividing plate is divided into the connected crystallisation chamber of multiple gas phases, and each crystallisation chamber bottom is provided with crystal discharging opening, crystal discharge outlet to
A taper material guiding hopper is inside provided with, top and the tank wall or cooled partition of the taper material guiding hopper are tightly connected, bottom and institute
The sealed connection of crystal discharging opening is stated, the side wall of the taper material guiding hopper is provided with seed slot.
2. seed crystal according to claim 1 purifies horizontal crystallizer, it is characterised in that：The crystal discharge outlet is provided with one
Mixing plant, one end of the agitating shaft of the mixing plant put in the tank interior and in the end through crystal discharging opening
Provided with agitating paddle, the other end is connected with the motor outside tank body.
3. seed crystal according to claim 1 or 2 purifies horizontal crystallizer, it is characterised in that：Outside the crystal discharging opening
Portion is provided with opposite opened switch gate.
4. seed crystal according to claim 1 or 2 purifies horizontal crystallizer, it is characterised in that：In the cooled partition inside
Sky is simultaneously provided with internal cooling coil pipe, and outside cooling coil, the internal cooling disk are provided with outside the tank body of the horizontal crystallizer
Pipe is interconnected with the outside cooling coil.
5. seed crystal according to claim 1 purifies horizontal crystallizer, it is characterised in that：In the side wall of the taper material guiding hopper
Provided with seed slot installing port, spacing preiection, the opening shape of the seed slot and the seed are equipped with above and below installing port
The shape of brilliant installing port matches, and seed slot upper end is by linking up with the spacing preiection that is fixed on above seed slot installing port,
Lower end is overlapped in the side wall below seed slot installing port and spacing by the spacing preiection of lower section by overlap edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621378011.4U CN206688271U (en) | 2016-12-15 | 2016-12-15 | A kind of seed crystal purifies horizontal crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621378011.4U CN206688271U (en) | 2016-12-15 | 2016-12-15 | A kind of seed crystal purifies horizontal crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206688271U true CN206688271U (en) | 2017-12-01 |
Family
ID=60438452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621378011.4U Active CN206688271U (en) | 2016-12-15 | 2016-12-15 | A kind of seed crystal purifies horizontal crystallizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206688271U (en) |
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2016
- 2016-12-15 CN CN201621378011.4U patent/CN206688271U/en active Active
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