CN117582731B - Multistage condensing distillation mechanism for large-scale malonic acid production - Google Patents
Multistage condensing distillation mechanism for large-scale malonic acid production Download PDFInfo
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- CN117582731B CN117582731B CN202410073319.0A CN202410073319A CN117582731B CN 117582731 B CN117582731 B CN 117582731B CN 202410073319 A CN202410073319 A CN 202410073319A CN 117582731 B CN117582731 B CN 117582731B
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- filter
- assembly
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- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000004821 distillation Methods 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 27
- 239000013049 sediment Substances 0.000 claims abstract description 23
- 238000000926 separation method Methods 0.000 claims abstract description 16
- 238000000746 purification Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 26
- 238000001035 drying Methods 0.000 claims description 25
- 238000000605 extraction Methods 0.000 claims description 14
- 238000005119 centrifugation Methods 0.000 claims description 13
- 238000009833 condensation Methods 0.000 claims description 13
- 230000005494 condensation Effects 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000010408 sweeping Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 5
- 230000037303 wrinkles Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000011403 purification operation Methods 0.000 abstract description 2
- 239000002912 waste gas Substances 0.000 description 19
- 239000007788 liquid Substances 0.000 description 13
- 239000012535 impurity Substances 0.000 description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 238000010981 drying operation Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 241000883990 Flabellum Species 0.000 description 4
- 238000000855 fermentation Methods 0.000 description 4
- 230000004151 fermentation Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 description 1
- 239000002894 chemical waste Substances 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 1
- 229940106681 chloroacetic acid Drugs 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- -1 malonic acid compound Chemical class 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/007—Energy recuperation; Heat pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
- B01D3/148—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step in combination with at least one evaporator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
- B01D36/045—Combination of filters with centrifugal separation devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a multistage condensing and distilling mechanism for large-scale malonic acid production, which relates to the technical field related to separation and purification devices and comprises a distilling kettle, a processing tank group and an industrial condenser, wherein the distilling kettle is connected with a previous-stage processing device through a feeding pipeline; according to the invention, centrifugal operation of malonic acid can be realized, sediment in the malonic acid is subjected to centrifugal separation, purification operation of the malonic acid is realized, and meanwhile, redundant heat generated by the distillation kettle can be extracted and reused, so that the energy consumption is reduced, and meanwhile, the method is more environment-friendly.
Description
Technical Field
The invention relates to the technical field related to separation and purification devices, in particular to a multistage condensing and distilling mechanism for large-scale malonic acid production.
Background
Malonic acid, also called abbreviated malic acid, is an organic acid, which is mainly used for producing products such as medicines, spices, pesticides, light stabilizers, special adhesives and the like, and is obtained by using industrial chloroacetic acid and sodium cyanide as raw materials and finally through various chemical reactions.
The traditional Chinese patent application with the publication number of CN112933629A discloses a condensing device of a distillation tower, which comprises a distillation tower body, wherein a fixed base is fixed at the bottom end of the distillation tower body, a discharge port is fixed at the bottom end of one side of the distillation tower body, a feed inlet is fixed at the top end of one side of the distillation tower body, a condensing mechanism is fixed at the top end of the distillation tower body, the condensing mechanism comprises a condensing cavity, a first non-condensable gas discharge pipe, a first condensing pipe, a second condensing pipe, a recovery liquid barrel, a connecting seat, a liquid discharge pipe and a second non-condensable gas discharge pipe, a first condensing pipe is fixed at one side of the condensing cavity, and a second non-condensable gas discharge pipe is fixed at one side of the middle part of the first condensing pipe; according to the invention, the steam of the distillation tower can be condensed more rapidly, the condensing pipe of the device can be cooled by utilizing the condensed water, and the condensed water can be recycled, so that the cost is saved.
However, this condensing distillation device has the following drawbacks when it is specifically used:
1. when the existing condensing and distilling device processes and produces chemicals (including malonic acid), the distillation can be used for operating fermentation liquor in reaction raw materials and distilling bacteria, impurities and other parts in the fermentation liquor, however, partial impurities (dust and the like) in the malonic acid compound are difficult to clean up in a distillation mode, so that finished chemicals after subsequent condensation are more in cost and poorer in quality of the impurities in the finished chemicals;
2. when the existing condensing and distilling device processes and produces chemicals (including malonic acid), more heat is generated during distilling operation, most of the heat is gradually dissipated along with time, the heat is difficult to effectively utilize, the energy consumption degree is high, and the environment is not protected and energy is saved.
Disclosure of Invention
The present invention aims to provide a multistage condensing distillation mechanism for large-scale malonic acid production, which solves the problems set forth in the background art.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the invention provides a multistage condensing and distilling mechanism for large-scale malonic acid production, which comprises a distilling kettle, a processing tank group and an industrial condenser, wherein the distilling kettle is connected with a previous-stage processing device through a feeding pipeline, the side surface of the distilling kettle is provided with the processing tank group, the side surface of the processing tank group is connected with the industrial condenser through another group of transmission components, the industrial condenser is arranged on the side surface of the processing tank group, a separation and extraction mechanism is arranged in the processing tank group, and the separation and extraction mechanism further comprises:
the drying component is arranged at the top of the treatment tank group and connected with the transmission component, and the drying component is arranged at the top of the treatment tank group;
the sediment centrifugal assembly is arranged in the treatment tank group and driven by a servo motor, the servo motor is arranged at the top of the treatment tank group and positioned on the side surface of the bottom of the drying assembly, the servo motor is arranged at the top of a motor seat, and the motor seat is arranged at the top of the treatment tank group;
a coiled filter assembly mounted below the sediment centrifugal assembly and driven by the sediment centrifugal assembly, the coiled filter assembly being mounted inside a treatment tank group, another group of transport assemblies being mounted below the coiled filter assembly;
the distillation still and the treatment tank group are arranged at the top of the bottom plate, and the industrial condenser is arranged at the top of the bottom plate through an external connecting frame.
As a preferable scheme of the invention, the transmission assembly comprises an industrial pump, wherein a feed inlet and a discharge outlet of the industrial pump are respectively provided with a transmission pipeline, the transmission pipelines are arranged on the side surfaces of the treatment tank group, the transmission pipelines positioned at the feed inlet of the industrial pump extend to the inside of the distillation still, and the transmission pipelines positioned at the discharge outlet of the industrial pump are connected on the side surfaces of the drying assembly.
As a preferred embodiment of the present invention, the drying assembly includes:
the dryer is characterized in that a supporting column is arranged at the eccentric position of the bottom of the dryer, the supporting column is arranged at the eccentric position of the top of the treatment tank set, a heating fan is arranged at the top of the dryer, and the heating fan is communicated with the dryer through a pipeline;
the discharge valve is arranged at the bottom of the dryer, and a discharge pipeline is arranged at the inner side of the discharge valve, is communicated with the dryer and extends to the inside of the treatment tank group.
As a preferable scheme of the invention, the top of the dryer is also provided with a purifying fan positioned on the side surface of the heating fan, the purifying fan is communicated with the dryer and is communicated with the distillation kettle through an exhaust pipeline, and the exhaust pipeline is used for extracting redundant heat generated by distillation.
As a preferable scheme of the invention, the discharge valve and the discharge pipeline are both arranged at the eccentric position of the top of the treatment tank set and positioned on the side surface of the servo motor.
As a preferred embodiment of the present invention, the sediment centrifugal assembly includes:
the driving belt is connected with the output end of the servo motor through a belt pulley, is in driving connection with the top of the treatment tank set and is positioned on the side surface of the discharging pipeline;
the rotating shaft is connected to the inner side of the transmission belt through a belt pulley and is rotationally connected to the center of the inside of the treatment tank set, a baffling fan blade is arranged on the outer side of the rotating shaft and is rotationally connected to the top of the inside of the treatment tank set;
the inner frame is arranged in the treatment tank group, a centrifugal cylinder is arranged in the inner frame, and a rotating shaft is rotatably connected to the inner center of the centrifugal cylinder;
the centrifugal blades are arranged on the outer side of the rotating shaft, are positioned in the centrifugal cylinder, the inner wall of the centrifugal cylinder is provided with a centrifugal port, and a screen is arranged in the centrifugal port;
wherein the centrifugal port and the screen are annular and equidistantly provided with a plurality of centrifugal ports and the screen;
the outer baffle is installed in the inside of inner frame, and is located the outside of centrifugal tube, circulation mouth has been seted up to the inner bottom of inner frame, the circulation mouth is the annular and is provided with a plurality of.
As a preferable scheme of the invention, a winding type filter assembly is also arranged on the outer side of the rotating shaft, and the baffle fan blades are arranged above the inner frame;
the baffle fan blade is obliquely arranged and positioned below the discharging pipeline, a connector arranged on the outer side of the rotating shaft is further arranged below the baffle fan blade, the outer side of the connector is protruded outwards, and a sweeping wiper blade is connected with the connector, and the sweeping wiper blade sweeps and cleans the inner wall of the top of the centrifugal barrel.
As a preferable scheme of the invention, the bottom of the centrifugal cylinder is provided with a truncated cone shape with a wide upper part and a narrow lower part, and the screen mesh is obliquely arranged at the truncated cone part inside the centrifugal cylinder;
wherein the circulation port is arranged at an eccentric position in the inner frame and is positioned at the inner side of the inner frame.
As a preferred embodiment of the present invention, the coiled filter unit includes:
the filter frame is arranged below the inner frame and positioned in the treatment tank group, and the inner side of the filter frame is movably connected with a filter plate;
the filter disc mounting block is mounted on the side face of the filter disc, and a rotating shaft is mounted at the inner center of the filter disc mounting block.
As a preferable mode of the invention, the filter piece is provided with a plurality of filter pieces, one side of the filter piece is obliquely arranged, and the oblique side of the filter piece is provided with a wrinkle part.
Compared with the prior art, the above technical scheme has the following beneficial effects:
1. according to the multistage condensation distillation mechanism for large-scale malonic acid production, when malonic acid is produced and processed, in order to improve the quality of the malonic acid, the malonic acid is required to be purified, at the moment, the dried mixed liquid can be transmitted into the treatment tank group, and the distilled liquid can be accelerated to rotate in a mode of driving an output end transmission belt, a rotating shaft, baffle blades and centrifugal blades to rotate through a servo motor, so that centrifugal sediment separation operation is realized, and the centrifuged compound can be transmitted to the inner side of an inner frame through a centrifugal port and a screen mesh and finally flows out through the circulating port, wherein sediment in the distilled liquid can be screened and separated by the screen mesh, meanwhile, when in actual purification, the rotating shaft can synchronously drive a connecting body and a sweeping blade to rotate, at the moment, the distilled liquid adhered to the inner wall of a centrifugal cylinder can be swept through the sweeping blade, the probability of the distilled liquid adhered to the inner wall of the centrifugal cylinder is reduced, and waste is reduced;
2. according to the multistage condensation distillation mechanism for large-scale malonic acid production, when malonic acid is produced and processed, distilled malonic acid distillate can be transmitted to the inside of the dryer through the transmission pipeline to finish drying operation, and the drying operation of the distillate can be matched with the extraction and transmission of heat in the distillation kettle through the purification fan and the exhaust pipeline, so that the drying operation of the distillate is accelerated, the subsequent impurity removal operation is convenient, the operation can be performed, the surplus heat generated by the distillation kettle can be extracted and reused, the energy consumption is reduced, the environment is protected, and the large-scale malonic acid production and processing operation is met;
3. according to the multistage condensation distillation mechanism for large-scale malonic acid production, when the rotating shaft rotates to drive the centrifugal blades to perform centrifugal separation operation on sediment on distillate, the rotation of the rotating shaft synchronously drives the filter disc mounting blocks connected with the rotating shaft to rotate, so that the filter discs mounted on the outer side are driven to rotate, the centrifuged distillate is scattered, bubbles in the distillate are scattered, the distillate and waste gas are separated to the greatest extent, the purity of malonic acid production and processing is further improved, the separated waste gas can be transmitted to the inside of the industrial condenser through the transmission pipeline, the condensation operation on the waste gas is completed through the industrial condenser, the pollution probability of waste gas emission to the atmosphere is reduced, and the multistage condensation distillation mechanism is more environment-friendly;
4. this multistage condensation distillation mechanism to large-scale malonic acid production, when the distillate carries out centrifugal screen separation, the mode that should get into the inside distillate accessible axis of rotation drive baffling flabellum of a centrifuge section of thick bamboo and carry out the rotation, the inside of leading-in a centrifuge section of thick bamboo of the distillate slant that will drop reduces the probability that the distillate splashes, promotes the effect that follow-up carries out the centrifugation to the distillate, and the inner wall of inner frame is cut into to the distillate accessible centrifugation mouth slant after carrying out the centrifugation simultaneously, more stable completion distillate drop operation, and then convenient follow-up filtration operation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
Furthermore, the terms "install," "set," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic overall elevational view of the present invention;
FIG. 3 is a schematic view of the overall top view of the present invention;
FIG. 4 is a schematic cross-sectional view of a treatment tank assembly of the present invention;
FIG. 5 is a schematic view of the structure of the connection of the still and the drying assembly of the present invention;
FIG. 6 is a schematic view of the connection of the discharge valve and vent assembly of the present invention;
FIG. 7 is a schematic cross-sectional structural view of the separation extraction mechanism of the present invention;
FIG. 8 is a schematic diagram of the explosion configuration of the separation and extraction mechanism of the present invention;
FIG. 9 is a schematic cross-sectional structural view of a sediment centrifugal assembly of the present invention;
FIG. 10 is a schematic view of the attachment of a sediment centrifugal assembly and a coiled filter assembly of the present invention;
FIG. 11 is a schematic view of the construction of the connection of the industrial condenser and the transport assembly of the present invention;
in the figure:
10. a distillation still; 10i, a feeding pipeline; 10a, a pressure release valve; 10b, control ports;
20. a treatment tank group;
30. an industrial condenser; 30i, a connecting frame;
40. a transmission assembly; 401. an industrial pump; 402. a transmission pipeline;
50. separating and extracting the mechanism;
60. a drying assembly; 601. a dryer; 601i, support columns; 601a, a purifying fan; 601b, an exhaust pipeline; 602. a heating fan; 603. a discharge valve; 604. a discharge pipe;
70. a sediment centrifugation assembly; 70i, a servo motor; 70a, a motor base; 701. a transmission belt; 702. a rotating shaft; 702a, a connector; 702b, a wiper blade; 703. a deflection fan blade; 704. an inner frame; 705. a centrifugal barrel; 705i, centrifugation port; 706. centrifugal blades; 707. a screen; 708. an outer baffle; 709. a flow port;
80. a coiled filter assembly; 801. a filter frame; 802. a filter sheet; 803. a filter mounting block; 804. a wrinkle part;
90. a bottom plate.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
Referring to fig. 1-11, a multistage condensing and distilling mechanism for large-scale malonic acid production comprises a distilling still 10, a processing tank group 20 and an industrial condenser 30, wherein the distilling still 10 is connected with a previous stage processing device through a feeding pipeline 10i, the processing tank group 20 is arranged on the side surface of the distilling still 10, the processing tank group 20 is connected with the industrial condenser 30 through another group of transmission components 40, the industrial condenser 30 is arranged on the side surface of the processing tank group 20, a separation and extraction mechanism 50 is arranged in the processing tank group 20, the separation and extraction mechanism 50 also comprises a drying component 60, the drying component 60 is arranged on the top of the processing tank group 20 and is connected with the transmission components 40, and the drying component 60 is arranged on the top of the processing tank group 20; a sediment centrifugal assembly 70, wherein the sediment centrifugal assembly 70 is arranged in the treatment tank group 20 and is driven by a servo motor 70i, the servo motor 70i is arranged at the top of the treatment tank group 20 and is positioned on the side surface of the bottom of the drying assembly 60, the servo motor 70i is arranged at the top of a motor seat 70a, and the motor seat 70a is arranged at the top of the treatment tank group 20; a coiled filter assembly 80, the coiled filter assembly 80 being mounted below the sediment centrifugal assembly 70 and being driven by the sediment centrifugal assembly 70, the coiled filter assembly 80 being mounted inside the treatment tank assembly 20, another group of transport assemblies 40 being mounted below the coiled filter assembly 80; the distillation still 10 and the treatment tank assembly 20 are installed on top of the bottom plate 90, and the industrial condenser 30 is installed on top of the bottom plate 90 through an external connection frame 30 i.
In the above scheme, the side at the top of the distillation still 10 is further provided with the pressure release valve 10a, the front of the distillation still 10 is further provided with the control port 10b, the pressure release valve 10a regulates and controls the internal air pressure of the distillation still 10, normal distillation operation is guaranteed, the control port 10b can control the distillation still 10, the transmission assembly 40, the separation extraction mechanism 50 and the industrial condenser 30 to operate, the operations of distillation, impurity removal and condensation of malonic acid are realized, the processing and production of malonic acid are completed, wherein the distillation still 10 is internally provided with a stepped multi-stage distillation structure, a mixture of chemical reaction is separated and purified, and the industrial condenser 30 can perform condensation treatment on the reactant after impurity removal to obtain purer malonic acid compounds.
The working principle is as follows: when malonic acid is produced and processed, fermented malonic acid raw material fermentation mixture can be transmitted to the inside of the distillation kettle 10 through the feeding pipeline 10i, distillation operation of the fermentation mixture is completed through the structure in the distillation kettle 10, distilled distillate can be transmitted to the inside of the drying component 60 through the transmission component 40, distilled liquid is dried through the drying component 60, and the dried distillate can be moved to the inside of the treatment tank group 20, at the moment, through the design of the sediment centrifugal component 70 in the treatment tank group 20, centrifugal treatment is carried out on the distillate, separation of sediment (impurities such as dust) in the distillate is completed, the separated distillate can fall into the inside of the winding type filtering component 80, secondary filtration treatment of the distillate is completed through the winding type filtering component 80, purification operation of malonic acid is completed, and quality of a malonic acid finished product is improved, wherein heat during distillation of the distillation kettle 10 can be transmitted to the inside of the drying component 60, mixed drying operation of distillate and additives in the drying component 60 is completed, subsequent centrifugal impurity removal operation of the two mixtures is facilitated, and the operation can be improved, the energy-saving efficiency of the device can be improved, the waste gas can be effectively utilized, and the waste gas can be more polluted by the inside the condensation device is further transmitted through the environment-friendly device 40, and the waste gas can be transported to the inside the waste gas can be more than the environment-friendly device, and the waste gas can be more polluted by the waste gas can be transported by the waste gas, and the waste gas can be discharged by the waste gas, and the waste gas can is more is discharged by the waste gas, and the waste gas is discharged.
Referring specifically to fig. 4 and 11, the conveying assembly 40 includes an industrial pump 401, a conveying pipe 402 is installed at a feed inlet and a discharge outlet of the industrial pump 401, and is installed at a side of the processing tank set 20, the conveying pipe 402 located at the feed inlet of the industrial pump 401 extends to the inside of the distillation still 10, and the conveying pipe 402 located at the discharge outlet of the industrial pump 401 is connected to a side of the drying assembly 60.
According to the multistage condensing and distilling mechanism for large-scale malonic acid production, distillate in the distilling kettle 10 can be respectively conveyed into the drying assembly 60 through the conveying pipeline 402 by the operation of the industrial pump 401, so that the distillate is dried, waste gas in the treatment tank group 20 can be extracted and moved into the industrial condenser 30 for condensation, and the environment-friendly performance is improved.
Referring specifically to fig. 4 and 5, the drying assembly 60 includes a dryer 601, a support column 601i is installed at the eccentric position of the bottom of the dryer 601, the support column 601i is installed at the eccentric position of the top of the treatment tank set 20, a heating fan 602 is installed at the top of the dryer 601, and the heating fan 602 is communicated with the dryer 601 through a pipeline; the discharge valve 603, the discharge valve 603 is installed at the bottom of the dryer 601, and a discharge pipe 604 is installed inside, and the discharge pipe 604 communicates with the dryer 601 and extends to the inside of the process tank group 20.
In this embodiment, a purifying fan 601a located at the side of the heating fan 602 is further installed at the top of the dryer 601, the purifying fan 601a is communicated with the dryer 601, and is communicated with the still 10 through an air suction pipeline 601b, the air suction pipeline 601b extracts redundant heat generated by distillation, the purifying fan 601a can extract and purify heat in the still 10, and the heat is moved to the dryer 601, and the drying operation of distillate in the dryer 601 is completed through the heat and the heating of the heating fan 602.
In addition, in this embodiment, the discharge valve 603 and the discharge pipe 604 are both installed at the eccentric position of the top of the processing tank set 20 and located at the side of the servo motor 70i, so that the discharge of the distillate and the operation of the servo motor 70i can be ensured, and can be performed separately without interference.
According to the multistage condensing distillation mechanism for large-scale malonic acid production, distilled distillate can move into the dryer 601 through the transmission pipeline 402, heat extraction is matched with the purification fan 601a to finish drying operation of the distillate, the heating fan 602 operates when the distillate is dried, drying treatment of the distillate can be finished, and the dried distillate can fall into the treatment tank set 20 through the discharge valve 603 and the discharge pipeline 604.
Referring specifically to fig. 6, 7, 8, 9 and 10, the sediment centrifugal assembly 70 includes a drive belt 701, the drive belt 701 is connected to the output end of the servo motor 70i by a pulley, and the drive belt 701 is drivingly connected to the top of the processing tank set 20 and is located on the side of the discharge pipe 604; the rotating shaft 702 is connected to the inner side of the transmission belt 701 through a belt pulley, and is rotatably connected to the center of the inside of the treatment tank set 20, a deflection fan blade 703 is mounted on the outer side of the rotating shaft 702, and the deflection fan blade 703 is rotatably connected to the inner top of the treatment tank set 20; an inner frame 704, wherein the inner frame 704 is installed inside the treatment tank group 20, a centrifugal barrel 705 is installed inside the inner frame 704, and a rotating shaft 702 is rotatably connected to the inner center of the centrifugal barrel 705; the centrifugal blades 706, the centrifugal blades 706 are provided with a plurality of centrifugal blades, and are arranged on the outer side of the rotating shaft 702, the centrifugal blades 706 are positioned in the centrifugal barrel 705, the inner wall of the centrifugal barrel 705 is provided with a centrifugal port 705i, and a screen 707 is arranged in the centrifugal port 705 i; the outer baffle 708, the outer baffle 708 is installed inside the inner frame 704, and is located outside the centrifugal barrel 705, the inner bottom of the inner frame 704 is provided with a plurality of circulation ports 709, and the circulation ports 709 are annularly provided.
In this embodiment, the centrifugal port 705i and the screen 707 are provided with a plurality of screens at equal intervals in a ring shape, and centrifugal impurity removal of the dried distillate can be completed through the screen 707 in the centrifugal port 705 i.
In addition, in the present embodiment, a winding type filter assembly 80 is further installed on the outer side of the rotating shaft 702, and a baffle fan 703 is installed above the inner frame 704; wherein, baffling flabellum 703 slant sets up, and is located the below of discharge tube 604, the below of baffling flabellum 703 still is provided with the connector 702a of installing in the axis of rotation 702 outside, the outside of connector 702a is protruding to the outside, and be connected with and sweep doctor blade 702b, sweep doctor blade 702b and sweep the clearance to the inner wall at centrifugation section of thick bamboo 705 top, the design of accessible baffling flabellum 703 slant is with the inside of leading-in centrifugation section of thick bamboo 705 of distillate slant, promote the effect of centrifugation, and sweep the design of doctor blade 702b, can sweep the partial distillate of adhesion on the inner wall of centrifugation section of thick bamboo 705 and scrape, reduce the probability of distillate adhesion on centrifugation section of thick bamboo 705.
Meanwhile, in the present embodiment, the bottom of the centrifugal barrel 705 is provided in a truncated cone shape with a wide upper part and a narrow lower part, and the screen 707 is obliquely installed at the truncated cone part inside the centrifugal barrel 705; wherein, the circulation port 709 is opened at the eccentric position inside the inner frame 704 and is positioned at the inner side of the inner frame 704, so that the distilled liquid thrown off by centrifugation can be obliquely cut into the inner wall of the outer baffle 708 through the oblique design of the screen 707, thereby facilitating the falling and filtration of the distilled liquid after centrifugation.
According to the multistage condensing distillation mechanism for large-scale malonic acid production, after dried distillate is transmitted into the centrifugal barrel 705, the servo motor 70i operates to drive the output end of the servo motor to drive the transmission belt 701 connected through the belt pulley, and further drive the rotation shaft 702 connected through the belt pulley to rotate on the inner side of the transmission belt 701, and the rotation of the rotation shaft 702 drives the centrifugal blades 706 arranged on the outer side of the transmission belt to rotate, so that the centrifugal blades 706 finish the centrifugal operation of the distillate, the distillate winds the inner wall of the centrifugal barrel 705 to rotate, and is transmitted to the inner side of the outer baffle 708 through the centrifugal port 705i and the screen 707, the distillate on the inner wall of the outer baffle 708 can drop to the inner side of the inner frame 704, and falls to the lower side of the inner frame 704 through the circulation port 709 arranged in the inner frame 704, wherein the screen 707 in the centrifugal port 705i can perform screening probability treatment on the distillate in the centrifugal operation, and sediment (dust and other impurities) in the distillate are removed.
Referring specifically to fig. 8 and 10, the coiled filter assembly 80 includes a filter frame 801, the filter frame 801 is mounted below the inner frame 704 and is located inside the treatment tank set 20, and a filter sheet 802 is movably connected to the inner side of the filter frame 801; a filter mounting block 803, the filter mounting block 803 being mounted on a side surface of the filter 802, a rotation shaft 702 being mounted at an inner center of the filter mounting block 803.
In this embodiment, the filter disc 802 is provided with a plurality of filter discs, one side of the filter disc 802 is inclined, one side of the filter disc 802 is provided with a wrinkle part 804, foam inside the distillate after centrifugal treatment is subjected to beating treatment through the design of the wrinkle part 804, so that waste gas in the foam can be separated from liquid, and the subsequent condensation treatment of the waste gas is conveniently completed through the industrial condenser 30.
According to the multistage condensing and distilling mechanism for large-scale malonic acid production, when the rotating shaft 702 rotates to drive the centrifugal blades 706 to rotate, and centrifugal operation of mixed liquid is completed, the rotation of the rotating shaft 702 synchronously drives the filter disc mounting block 803 and the filter disc 802 mounted on the outer side of the filter disc mounting block 803 to rotate, foam inside distilled liquid is subjected to beating treatment through the filter disc 802, and distilled liquid and chemical waste gas are separated to the greatest extent.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (5)
1. Multistage condensation distillation mechanism to large-scale malonic acid production, its characterized in that: including still (10), processing tank group (20) and industry condenser (30), still (10) are connected with last level processingequipment through charge-in pipeline (10 i), the side-mounting of still (10) has processing tank group (20), the side of processing tank group (20) is connected with industry condenser (30) through another group transmission subassembly (40), the side of processing tank group (20) is installed in industry condenser (30), the inside of processing tank group (20) is provided with separation extraction mechanism (50), separation extraction mechanism (50) still including:
a drying assembly (60), the drying assembly (60) being mounted on top of the treatment tank set (20) and being connected to the transport assembly (40), the drying assembly (60) being mounted on top of the treatment tank set (20);
a sediment centrifugal assembly (70), wherein the sediment centrifugal assembly (70) is arranged in the treatment tank group (20) and is driven by a servo motor (70 i), the servo motor (70 i) is arranged at the top of the treatment tank group (20) and is positioned on the side surface of the bottom of the drying assembly (60), the servo motor (70 i) is arranged at the top of a motor seat (70 a), and the motor seat (70 a) is arranged at the top of the treatment tank group (20);
a coiled filter assembly (80), the coiled filter assembly (80) being mounted below the sediment centrifugal assembly (70) and being driven by the sediment centrifugal assembly (70), the coiled filter assembly (80) being mounted inside a treatment tank group (20), another group of transport assemblies (40) being mounted below the coiled filter assembly (80);
the distillation kettle (10) and the treatment tank group (20) are arranged at the top of the bottom plate (90), the industrial condenser (30) is arranged at the top of the bottom plate (90) through an external connecting frame (30 i),
wherein, drying assembly (60) is including:
the dryer (601), a support column (601 i) is arranged at the eccentric position of the bottom of the dryer (601), the support column (601 i) is arranged at the eccentric position of the top of the treatment tank group (20), a heating fan (602) is arranged at the top of the dryer (601), and the heating fan (602) is communicated with the dryer (601) through a pipeline;
a discharge valve (603), wherein the discharge valve (603) is arranged at the bottom of the dryer (601), a discharge pipeline (604) is arranged at the inner side of the discharge valve, the discharge pipeline (604) is communicated with the dryer (601) and extends to the inside of the treatment tank group (20),
wherein the discharge valve (603) and the discharge pipeline (604) are both arranged at the eccentric position of the top of the treatment tank group (20) and positioned at the side surface of the servo motor (70 i),
wherein, deposit centrifugation subassembly (70) are including:
the driving belt (701) is connected with the output end of the servo motor (70 i) through a belt pulley, and the driving belt (701) is connected to the top of the treatment tank group (20) in a driving way and is positioned on the side surface of the discharging pipeline (604);
the rotating shaft (702) is connected to the inner side of the transmission belt (701) through a belt pulley, and is rotatably connected to the center of the inside of the treatment tank set (20), a baffle fan blade (703) is arranged on the outer side of the rotating shaft (702), and the baffle fan blade (703) is rotatably connected to the top of the inside of the treatment tank set (20);
an inner frame (704), wherein the inner frame (704) is arranged inside the treatment tank group (20), a centrifugal cylinder (705) is arranged inside the inner frame (704), and a rotating shaft (702) is rotatably connected to the inner center of the centrifugal cylinder (705);
the centrifugal blades (706), the centrifugal blades (706) are arranged in a plurality, and are arranged on the outer side of the rotating shaft (702), the centrifugal blades (706) are positioned in the centrifugal barrel (705), a centrifugal port (705 i) is formed in the inner wall of the centrifugal barrel (705), and a screen (707) is arranged in the centrifugal port (705 i);
wherein the centrifugal port (705 i) and the screen (707) are arranged in annular equidistant manner;
an outer baffle plate (708), wherein the outer baffle plate (708) is arranged in the inner frame (704) and is positioned at the outer side of the centrifugal barrel (705), a circulation port (709) is arranged at the inner bottom of the inner frame (704), a plurality of circulation ports (709) are annularly arranged,
the outside of the rotating shaft (702) is also provided with a winding type filtering component (80), and the baffling fan blades (703) are arranged above the inner frame (704);
wherein the baffle fan blade (703) is obliquely arranged and positioned below the discharging pipeline (604), a connecting body (702 a) arranged on the outer side of the rotating shaft (702) is also arranged below the baffle fan blade (703), the outer part of the connecting body (702 a) is outwards protruded and is connected with a sweeping blade (702 b), the sweeping blade (702 b) sweeps and cleans the inner wall of the top of the centrifugal barrel (705),
wherein, coiled filter unit (80) is including:
a filter frame (801), wherein the filter frame (801) is installed below the inner frame (704) and is positioned inside the treatment tank group (20), and a filter sheet (802) is movably connected to the inner side of the filter frame (801);
a filter mounting block (803), the filter mounting block (803) being mounted on a side surface of the filter (802), a rotation shaft (702) being mounted at an inner center of the filter mounting block (803).
2. The multistage condensing distillation mechanism for large-scale malonic acid production of claim 1, wherein: the conveying assembly (40) comprises an industrial pump (401), a feeding hole and a discharging hole of the industrial pump (401) are provided with conveying pipelines (402), the conveying pipelines are arranged on the side face of the treatment tank group (20), the conveying pipelines (402) located at the feeding hole of the industrial pump (401) extend to the inside of the distillation kettle (10), and the conveying pipelines (402) located at the discharging hole of the industrial pump (401) are connected to the side face of the drying assembly (60).
3. The multistage condensing distillation mechanism for large-scale malonic acid production of claim 1, wherein: the top of desicator (601) still installs purification fan (601 a) that is located heating fan (602) side, purification fan (601 a) are linked together with desicator (601), and are linked together through extraction line (601 b) and stills (10), extraction line (601 b) are carried out the extraction to the unnecessary heat that the distillation produced.
4. The multistage condensing distillation mechanism for large-scale malonic acid production of claim 1, wherein: the bottom of the centrifugal cylinder (705) is provided with a truncated cone shape with a wide upper part and a narrow lower part, and the screen (707) is obliquely arranged at the truncated cone part inside the centrifugal cylinder (705);
wherein the flow port (709) is opened at an eccentric position inside the inner frame (704) and is positioned at the inner side of the inner frame (704).
5. The multistage condensing distillation mechanism for large-scale malonic acid production of claim 1, wherein: the filter plate (802) is provided with a plurality of filter plates, one side of the filter plate is obliquely arranged, and one side of the filter plate (802) which is obliquely arranged is provided with a wrinkle part (804).
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