CN115978955B - Vacuum drying equipment for preparing cefalonine crude product - Google Patents
Vacuum drying equipment for preparing cefalonine crude product Download PDFInfo
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- CN115978955B CN115978955B CN202211681913.5A CN202211681913A CN115978955B CN 115978955 B CN115978955 B CN 115978955B CN 202211681913 A CN202211681913 A CN 202211681913A CN 115978955 B CN115978955 B CN 115978955B
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- 238000001291 vacuum drying Methods 0.000 title claims abstract description 18
- 239000012043 crude product Substances 0.000 title abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 54
- 238000002360 preparation method Methods 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 31
- 238000003825 pressing Methods 0.000 claims description 14
- XIURVHNZVLADCM-IUODEOHRSA-N cefalotin Chemical compound N([C@H]1[C@@H]2N(C1=O)C(=C(CS2)COC(=O)C)C(O)=O)C(=O)CC1=CC=CS1 XIURVHNZVLADCM-IUODEOHRSA-N 0.000 claims description 6
- 229960000603 cefalotin Drugs 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- 238000001035 drying Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 8
- 238000005086 pumping Methods 0.000 description 8
- 239000013078 crystal Substances 0.000 description 7
- 238000000605 extraction Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000283690 Bos taurus Species 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 235000013365 dairy product Nutrition 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- FMZXNVLFJHCSAF-DNVCBOLYSA-N (6R,7R)-3-[(4-carbamoyl-1-pyridin-1-iumyl)methyl]-8-oxo-7-[(1-oxo-2-thiophen-2-ylethyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate Chemical compound C1=CC(C(=O)N)=CC=[N+]1CC1=C(C([O-])=O)N2C(=O)[C@@H](NC(=O)CC=3SC=CC=3)[C@H]2SC1 FMZXNVLFJHCSAF-DNVCBOLYSA-N 0.000 description 1
- 208000035143 Bacterial infection Diseases 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 208000022362 bacterial infectious disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229950005258 cefalonium Drugs 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 208000004396 mastitis Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of drying equipment, and discloses vacuum drying equipment for cefalon crude product preparation, which utilizes the cooperation of a first electromagnet and a second electromagnet to realize heating, so that the interior of a heating cavity can be subjected to uniform heating effect, and simultaneously, a driving sleeve shaft is driven by a driving motor to synchronously rotate, so that each containing disc can be uniformly heated and drive hot air in the heating cavity to flow, thereby achieving better heating and drying effects.
Description
Technical Field
The invention relates to the technical field of drying equipment, in particular to vacuum drying equipment for preparing a crude cefalotin product.
Background
The cefalotin is mainly used for preventing and treating the mastitis of the dairy cows in the dry period, belongs to long-acting broad-spectrum antibiotics, and can effectively treat and prevent various bacterial infections of the dairy cows in the dry period. The existing processes for preparing the cefalonium basically need to mix raw materials in a reaction kettle, then regulate and control pH and temperature, the obtained materials are filtered and crystallized to obtain crude crystals, however, the crude products also contain certain moisture and need to be dried in vacuum so as to be removed, the existing vacuum drying box has a simple structure, the crude products are placed in the box, and the starting equipment is used for heating and vacuumizing to perform drying, but the vacuum drying box has certain defects:
Firstly, heating is performed through a heater and vacuumizing is performed at the same time, but the existing vacuum drying box is heated through a fixed heater when drying is performed, so that the inside of the box is not uniform enough when heating, and a multi-layer structure is arranged in the box to contain crude crystals, so that the drying effect is not uniform enough, and the effect of complete drying can be achieved only through longer-time vacuum drying, so that the existing heating mode and the structure of the drying box are limited, and the effect of vacuum drying is poor;
Secondly, when using vacuum drying cabinet drying, need to be to the inside evacuation of box, just can reduce the boiling point of water like this for can evaporate moisture away under the condition of being less than one hundred degrees, but suction is very big when the evacuation, and the suction channel is provided with filter equipment moreover, just drives some tiny particle easily under the drive of moisture evaporation and suction air current like this and blocks up filter equipment inside, thereby leads to the suction when negative pressure suction, leads to can not reaching the vacuum degree that needs when heating, also can lead to negative pressure device to go out the problem like this, further influences drying effect.
Disclosure of Invention
The invention provides vacuum drying equipment for preparing a crude product of cefalotin, which has the advantage of good vacuum drying effect and solves the problems in the background technology.
The invention provides the following technical scheme: the utility model provides a vacuum drying equipment is used in preparation of cefalonine crude, includes organism and bonnet, and the bonnet tightly covers in the front of organism, the heating chamber has been seted up to the inside of organism, the middle part fixed mounting in heating chamber has fixed axle sleeve, the sleeve has been cup jointed in the outer lane activity of fixed axle sleeve, the middle part fixed mounting of fixed axle sleeve has the second electro-magnet, even fixed mounting has first electro-magnet in the organism is arranged in heating chamber outer lane inner wall, the back middle part fixed mounting of organism has driving motor, the organism back is arranged in driving motor outer lane position fixed mounting and is had vacuum pumping device, driving motor's output fixedly connected with drive shaft, and the drive shaft stretches into inside the organism, the tip outer lane fixed mounting toothed ring of drive shaft, the middle part activity of heating intracavity diapire has cup jointed the rotation cover.
Preferably, the rotating sleeve consists of a driving ring and a limiting strip, the driving ring is movably sleeved in the bottom wall of the heating cavity, the limiting strip is fixedly installed on the front surface of the driving ring and is attached to the inner wall of the fixed shaft sleeve, a gear ring is arranged on the inner ring of the driving ring, which is close to one end of the driving motor, a transmission shaft is movably installed at the outer ring of the gear ring in the machine body, the transmission shaft is meshed with the gear ring for transmission, one end of the transmission shaft extends into the inner ring of the transmission ring and is fixedly provided with a transmission gear, and the transmission gear is meshed with the gear ring of the inner ring of the driving ring for transmission.
Preferably, the inner ring wall of the sleeve shaft is provided with a limit groove, the limit groove is in sliding sleeve joint with a limit strip attached to the outer portion of the fixed shaft sleeve, supporting rods are symmetrically and fixedly arranged at the outer ring positions of the two ends of the sleeve shaft, a containing disc is movably arranged between the supporting rods, the top surface of the containing disc is provided with a containing groove, and the end surface of the sleeve shaft close to one end of the driving motor is fixedly provided with a limit disc.
Preferably, the two ends of the holding plate are sleeved at the middle part of the side wall of the supporting rod through smooth connecting rods, and a plumb body is fixedly arranged at the middle part of the bottom surface of the holding plate.
Preferably, the bottom wall is located the fixed mounting of rotating sleeve outer lane position department in the heating chamber has the spring, the tip fixedly connected with clamp plate of spring, rotate the joint between clamp plate and the limiting plate, the heating chamber diapire is located the even negative pressure hole of having seted up of rotating sleeve outer lane department, the inside negative pressure groove of having seted up with the negative pressure hole intercommunication of organism, negative pressure groove and vacuum pumping device intercommunication.
Preferably, the port of the negative pressure hole is fixedly provided with a filter layer, the back of the filter layer inside the negative pressure hole is slidably sleeved with a movable valve block, a pull rope is fixedly connected between the movable valve block and the end part of the pressing plate, and the vacuum air extractor stops air extraction when the movable valve block abuts against the bottom wall inside the negative pressure hole.
Preferably, sliding seal is adopted between the movable valve block and the inner wall of the negative pressure hole, a one-way valve is arranged in the middle of the movable valve block, the direction of the movable valve block towards the negative pressure groove is the conducting direction, and the pull rope passes through the filter layer to keep a parallel tensioning state.
Preferably, a mechanical seal is adopted between the middle part of the transmission shaft and the machine body, the spring is in a compressed state, and the length of the limiting strip is greater than the maximum compression length of the spring.
The invention has the following beneficial effects:
1. Through setting up fixed axle sleeve in the organism to set up first electro-magnet and second electro-magnet respectively at organism inner wall and fixed axle sleeve middle part, set up driving motor drive simultaneously and rotate the cover and rotate, compared in prior art, utilize the cooperation at first electro-magnet and second electro-magnet to realize heating, make the heating intracavity portion can receive even heating effect, rethread driving motor drive shaft rotates simultaneously, then make through transmission shaft and drive gear's rotation rotate the cover, and owing to be in spacing relation of cup jointing between spacing and the sleeve, can drive sleeve synchronous rotation, and the epaxial holding dish of installing of sleeve receives the effect of plumbum hammer block keeps the horizontality, consequently, make every holding dish all can even be heated and drive the inside steam flow of heating chamber when driving motor drive sleeve rotation, thereby reach better heating drying effect.
2. Through set up negative pressure hole and be provided with movable valve piece and filtering layer in its inside at the organism, set up spring coupling clamp plate simultaneously on the heating intracavity diapire, compared in prior art, the suction can drive movable valve piece and remove when carrying out the evacuation, thereby drive stay cord pulling clamp plate compression spring, and rotate joint between clamp plate and the sleeve, just so further drive through the clamp plate and hold the dish and remove to the negative pressure hole side, with the inside part vapor suction of heating chamber, stop the suction and movable valve piece resets after movable valve piece slides to the maximum position simultaneously, make the granule area of negative pressure reflux gas in the negative pressure hole adhesion on with the filtering layer fall, so just avoided the jam, sleeve synchronous movement has also been avoided taking away the crystal on the holding the dish in intermittent type formula suction process simultaneously, further improved the vacuum drying effect.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top plan view of the overall structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of a sleeve shaft according to the present invention;
FIG. 5 is a schematic view of a rotating sleeve according to the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 7 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 8 is a cross-sectional view taken along line C-C of FIG. 2;
Fig. 9 is an enlarged view of D in fig. 6.
In the figure: 1. a body; 101. a heating chamber; 102. a negative pressure hole; 103. a negative pressure tank; 2. a cover; 3. fixing the shaft sleeve; 4. a sleeve shaft; 401. a limit groove; 402. a limiting disc; 5. a driving motor; 6. a vacuum air extracting device; 7. a first electromagnet; 8. a second electromagnet; 9. a drive shaft; 901. a toothed ring; 10. a rotating sleeve; 1001. a drive ring; 1002. a limit bar; 11. a transmission shaft; 12. a transmission gear; 13. a support rod; 14. a holding tray; 15. a plumb body; 16. a spring; 17. a pressing plate; 18. a movable valve block; 19. a filter layer; 20. and (5) pulling the rope.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-9, a vacuum drying device for preparing a crude cefalon product comprises a machine body 1 and a machine cover 2, wherein the machine cover 2 is tightly covered on the front surface of the machine body 1, a heating cavity 101 is formed in the machine body 1, a fixed shaft sleeve 3 is fixedly arranged in the middle of the heating cavity 101, a sleeve shaft 4 is movably sleeved on the outer ring of the fixed shaft sleeve 3, a second electromagnet 8 is fixedly arranged in the middle of the fixed shaft sleeve 3, a first electromagnet 7 is uniformly and fixedly arranged in the inner wall of the outer ring of the heating cavity 101, a triangle formed between the second electromagnet 8 and two adjacent first electromagnets 7 is a regular triangle, so that a containing disc 14 between the second electromagnet and the first electromagnet is heated more uniformly, a driving motor 5 is fixedly arranged in the middle of the back surface of the machine body 1, a vacuum air exhaust device 6 is fixedly arranged in the outer ring position of the driving motor 5, a driving shaft 9 is fixedly connected to the output end of the driving motor 5, the driving shaft 9 stretches into the machine body 1, a toothed ring 901 is fixedly arranged at the end part of the outer ring of the driving shaft 9, and a rotating sleeve 10 is movably sleeved on the middle part of the bottom wall of the heating cavity 101.
The rotating sleeve 10 is composed of a driving ring 1001 and a limiting bar 1002, the driving ring 1001 is movably sleeved in the bottom wall of the heating cavity 101, the limiting bar 1002 is fixedly mounted on the front surface of the driving ring 1001 and is attached to the inner wall of the fixed shaft sleeve 3, a gear ring is arranged on the inner ring of the driving ring 1001, which is close to one end of the driving motor 5, a driving shaft 11 is movably mounted at the outer ring of the gear ring 901 in the machine body 1, the driving shaft 11 is meshed with the gear ring 901 for driving, one end of the driving shaft 11 extends into the inner ring of the driving ring 1001 and is fixedly provided with a driving gear 12, the driving gear 12 is meshed with the gear ring of the inner ring of the driving ring 1001 for driving the driving shaft 9 to rotate through the driving motor 5, then the rotating sleeve 10 is driven to rotate through the driving shaft 11 and the driving gear 12, and the rotating sleeve 10 sleeved on the outer sleeve 4 is driven to rotate together, so that the sleeve 4 is driven to rotate integrally during heating, the heating uniformity of crystals on each containing disc 14 is ensured, and meanwhile the internal hot air flow of the heating cavity 101 is facilitated.
Example two
Referring to fig. 3-4, fig. 6 and fig. 9, the inner ring wall of the sleeve shaft 4 is provided with a limit groove 401, the limit groove 401 is in sliding sleeve connection with a limit bar 1002 attached to the outside of the fixed shaft sleeve 3, two outer rings of the sleeve shaft 4 are symmetrically and fixedly provided with support rods 13, a containing disc 14 is movably arranged between the support rods 13, the top surface of the containing disc 14 is provided with a containing groove, the end surface of the sleeve shaft 4, which is close to one end of the driving motor 5, is fixedly provided with a limit disc 402, the limit disc 402 and the pressing plate 17 can be rotationally clamped, so that the sleeve shaft 4 can be driven to move together when the pressing plate 17 moves, and thus vacuum pumping is matched, the rotation of the limit disc 402 can not be influenced by the horizontal movement of the pressing plate 17, two ends of the containing disc 14 are sleeved at the middle part of the side wall of the support rods 13 through smooth connecting rods, the middle part of the bottom surface of the containing disc 14 is fixedly provided with a lead hammer 15, and the containing disc 14 is used for containing crystals obtained by filtering, but due to the fact that the rotation of the sleeve shaft 4 is heated, the containing disc 14 is required to be ensured to be in a horizontal state, and the bottom of the containing disc 14 is provided with a hammer 15, so that the lead motor is always kept vertical, and the lead motor is kept in a vertical state, and the driving state is not influenced by the driving the lead disc 5, and the driving state is not to shake.
Example III
Referring to fig. 3-9, a spring 16 is fixedly installed on the inner bottom wall of a heating cavity 101 at the outer ring position of a rotating sleeve 10, a pressing plate 17 is fixedly connected to the end part of the spring 16, the pressing plate 17 is rotationally clamped with a limiting plate 402, negative pressure holes 102 are uniformly formed on the bottom wall of the heating cavity 101 at the outer ring position of the rotating sleeve 10, a negative pressure groove 103 communicated with the negative pressure holes 102 is formed in a machine body 1, the negative pressure groove 103 is communicated with a vacuum air extractor 6, the vacuum air extractor 6 is used for controlling the negative pressure air extraction, so that the vacuum extraction of the heating cavity 101 is completed, intermittent air extraction is realized through the arrangement of the negative pressure holes 102 and the sliding of a movable valve block 18, the phenomenon that the inside is blocked easily caused due to the air extraction always is avoided, meanwhile, the time is required for water evaporation is also required, therefore, the design can obtain a remarkable negative pressure air extraction effect exactly, a filter layer 19 is fixedly installed at the port of the negative pressure holes 102, the movable valve block 18 is sleeved at the back of the filter layer 19 in a sliding way in the negative pressure hole 102, the pull rope 20 is fixedly connected between the movable valve block 18 and the end part of the pressing plate 17, the vacuum air extractor 6 stops extracting air when the movable valve block 18 is propped against the inner bottom wall of the negative pressure hole 102, the movable valve block 18 slowly slides along the negative pressure hole 102 under the action of the suction force when the movable valve block 18 slides to the maximum position, the movable valve block 18 is reset under the action of the negative pressure and the elastic force of the spring 16, thus a certain interval can be kept when the air is extracted in the heating cavity 101, and in the interval process, the movable valve block 18 is reset to blow off particles adhered on the filter layer 19, so that the blocking is avoided, meanwhile, the sleeve shaft 4 is driven to move, so that the steam in the heating cavity 101 can be brought to the position of the negative pressure hole 102, and the suction is stopped when the sleeve shaft 4 is closest to the negative pressure hole 102, the situation that crystals on the containing disc 14 are taken away due to overlarge suction force and are easy to block is avoided, sliding sealing is adopted between the movable valve block 18 and the inner wall of the negative pressure hole 102, a one-way valve is arranged in the middle of the movable valve block 18 and is conducted towards the direction of the negative pressure groove 103, the pull rope 20 penetrates through the filter layer 19 to keep a parallel tensioning state, vapor in the heating cavity 101 is pumped out through the one-way valve on the movable valve block 18 when negative pressure is pumped out through the vacuum pumping device 6, but because the suction force is large, the size and flow of the one-way valve are limited, the movable valve block 18 is driven to integrally move towards the direction of the negative pressure groove 103, and the pressure plate 17 is pulled to compress the spring 16 through the pull rope 20 in the moving process.
The middle part of the transmission shaft 11 and the machine body 1 are mechanically sealed, in order to ensure the tightness of the heating cavity 101 during vacuumizing, the transmission shaft 11 must be sealed, the spring 16 is in a compressed state, and the length of the limiting strip 1002 is greater than the maximum compression length of the spring 16, so that the movable valve block 18 is ensured to drive the pressing plate 17 to compress the spring 16 in the limiting range of the sleeve shaft 4 during negative pressure air extraction, and the situation that the limiting groove 401 is not sleeved on the limiting strip 1002 after the spring 16 is completely reset is avoided, so that the rotating sleeve 10 can always drive the sleeve shaft 4 to rotate.
According to the working principle, a cefalotin crude product obtained through filtration and crystallization is uniformly placed on a containing disc 14, a sleeve shaft 4 is sleeved on the outer ring of a fixed shaft sleeve 3, meanwhile, a limit groove 401 is ensured to be sleeved together in a sliding mode along a transmission ring 1001, a machine cover 2 is closed, starting equipment is started, a first electromagnet 7 and a second electromagnet 8 are electrified and heat up to start heating the inside of a heating cavity 101, meanwhile, a driving motor 5 is started and drives a driving shaft 9 to rotate, the driving shaft 9 drives a toothed ring 901 to synchronously rotate when rotating, the toothed ring 901 is meshed with and drives a transmission shaft 11 to rotate, then a transmission gear 12 is driven by the transmission shaft 11 to drive a rotating sleeve 10 to rotate, so that the sleeve shaft 4 can be driven to rotate along the outer ring of the fixed shaft sleeve 3 through the transmission ring 1001, the positions of a supporting rod 13 and the containing disc 14 are continuously changed in the rotating process of the sleeve shaft 4, and the rotating speed driven by the driving motor 5 is slower, so that the containing disc 14 always keeps a horizontal state under the gravity action of a hammer body 15, and the cefalotin crystal on the containing disc 14 is fully heated and dried;
The vacuum pumping device 6 is started to pump air at the same time of heating, the air in the heating cavity 101 is pumped outwards along the negative pressure groove 103 and the negative pressure hole 102, in the pumping process, the movable valve block 18 is driven to slide towards the inside of the negative pressure hole 102 under the action of the negative pressure of pumping, the movable valve block 18 pulls the pull rope 20 when sliding, thereby driving the pressing plate 17 to compress the spring 16 and move, the limiting plate 402 is driven to move towards the inner bottom wall of the heating cavity 101 together at the same time of moving, namely, the sleeve shaft 4 is driven to move, meanwhile, the supporting rod 13 and the containing plate 14 are both moved towards the negative pressure hole 102, the water vapor evaporated from the inside of the heating cavity 101 is filtered by the filter layer 19 and pumped out through the movable valve block 18, when the movable valve block 18 moves to the bottom wall of the negative pressure hole 102, at this time, the movable valve block 18 is driven to reset under the action of the negative pressure inside the heating cavity 101 and the elasticity of the spring 16, particles and the like adsorbed on the filter layer 19 are reversely blown down by the movable valve block 18 in the resetting process, the filter layer 19 is prevented, the blocking condition of the filter layer 19 is caused, and after the pressing plate 17 and the movable valve block 18 are reset, the spring 16 is driven again, the negative pressure pumping process is repeated until is completed.
Claims (3)
1. The utility model provides a vacuum drying equipment is used in preparation of cefalotin crude, includes organism (1) and lid (2), and lid (2) close-fitting are in the front of organism (1), its characterized in that: the novel electric heating device is characterized in that a heating cavity (101) is formed in the machine body (1), a fixed shaft sleeve (3) is fixedly arranged in the middle of the heating cavity (101), a sleeve shaft (4) is movably sleeved on the outer ring of the fixed shaft sleeve (3), a second electromagnet (8) is fixedly arranged in the middle of the fixed shaft sleeve (3), a first electromagnet (7) is uniformly and fixedly arranged in the inner wall of the outer ring of the heating cavity (101) in the machine body (1), a driving motor (5) is fixedly arranged in the middle of the back of the machine body (1), a vacuum air exhaust device (6) is fixedly arranged at the position of the outer ring of the driving motor (5) in the back of the machine body (1), a driving shaft (9) is fixedly connected to the output end of the driving motor (5), the driving shaft (9) stretches into the machine body (1), a toothed ring (901) is fixedly arranged on the outer ring at the end part of the driving shaft (9), and a rotating sleeve (10) is movably sleeved on the middle of the inner wall of the heating cavity (101).
The rotary sleeve (10) consists of a transmission ring (1001) and a limit bar (1002), the transmission ring (1001) is movably sleeved in the bottom wall of the heating cavity (101), the limit bar (1002) is fixedly installed on the front surface of the transmission ring (1001) and is attached to the inner wall of the fixed shaft sleeve (3), a gear ring is arranged on the inner ring of the transmission ring (1001) close to one end of the driving motor (5), a transmission shaft (11) is movably installed at the outer ring of the toothed ring (901) in the machine body (1), the transmission shaft (11) is meshed with the toothed ring (901), one end of the transmission shaft (11) extends into the inner ring of the transmission ring (1001) and is fixedly provided with a transmission gear (12), and the transmission gear (12) is meshed with the gear ring of the inner ring of the transmission ring (1001);
The inner ring wall of the sleeve shaft (4) is provided with a limit groove (401), the limit groove (401) is in sliding sleeve connection with a limit bar (1002) attached to the outside of the fixed shaft sleeve (3), supporting rods (13) are symmetrically and fixedly arranged at the outer ring positions of two ends of the sleeve shaft (4), a containing disc (14) is movably arranged between the supporting rods (13), the top surface of the containing disc (14) is provided with a containing groove, and a limit disc (402) is fixedly arranged at the end surface of the sleeve shaft (4) close to one end of the driving motor (5);
two ends of the containing disc (14) are sleeved at the middle part of the side wall of the supporting rod (13) through smooth connecting rods, and a plumb block (15) is fixedly arranged at the middle part of the bottom surface of the containing disc (14);
The inner bottom wall of the heating cavity (101) is fixedly provided with a spring (16) at the outer ring position of the rotating sleeve (10), the end part of the spring (16) is fixedly connected with a pressing plate (17), the pressing plate (17) is rotationally clamped with a limiting disc (402), the bottom wall of the heating cavity (101) is uniformly provided with negative pressure holes (102) at the outer ring position of the rotating sleeve (10), the inside of the machine body (1) is provided with a negative pressure groove (103) communicated with the negative pressure holes (102), and the negative pressure groove (103) is communicated with a vacuum air exhaust device (6);
The filter layer (19) is fixedly arranged at the port of the negative pressure hole (102), the movable valve block (18) is sleeved at the back of the filter layer (19) in a sliding manner in the negative pressure hole (102), a pull rope (20) is fixedly connected between the movable valve block (18) and the end part of the pressing plate (17), and the vacuum air suction device (6) stops sucking air when the movable valve block (18) abuts against the inner bottom wall of the negative pressure hole (102).
2. The vacuum drying device for preparing crude cefalon according to claim 1, which is characterized in that: the movable valve block (18) is in sliding seal with the inner wall of the negative pressure hole (102), a one-way valve is arranged in the middle of the movable valve block (18) and is in a conducting direction towards the negative pressure groove (103), and the pull rope (20) passes through the filter layer (19) to keep a parallel tensioning state.
3. The vacuum drying device for preparing crude cefalon according to claim 1, which is characterized in that: mechanical seal is adopted between the middle part of the transmission shaft (11) and the machine body (1), the spring (16) is in a compressed state, and the length of the limiting strip (1002) is greater than the maximum compression length of the spring (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211681913.5A CN115978955B (en) | 2022-12-27 | 2022-12-27 | Vacuum drying equipment for preparing cefalonine crude product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211681913.5A CN115978955B (en) | 2022-12-27 | 2022-12-27 | Vacuum drying equipment for preparing cefalonine crude product |
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| CN115978955A CN115978955A (en) | 2023-04-18 |
| CN115978955B true CN115978955B (en) | 2024-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211681913.5A Active CN115978955B (en) | 2022-12-27 | 2022-12-27 | Vacuum drying equipment for preparing cefalonine crude product |
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| CN216011587U (en) * | 2021-10-15 | 2022-03-11 | 陕西富捷药业有限公司 | Medicinal decompression drying cabinet of quick even drying |
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| KR101789491B1 (en) * | 2015-11-10 | 2017-10-26 | 주식회사 청록공간 | Versatile vacuum devices |
| KR20180039950A (en) * | 2016-10-11 | 2018-04-19 | 주식회사 한국캐비치 | Microwave Drying Device |
| CN111637691A (en) * | 2020-06-12 | 2020-09-08 | 四川农业大学 | Rotary tray type microwave vacuum drying machine |
| CN213335185U (en) * | 2020-08-14 | 2021-06-01 | 常州市龙鑫智能干燥科技有限公司 | Vacuum drying device |
| CN112254437B (en) * | 2020-09-30 | 2022-04-15 | 金陵科技学院 | Air exhaust mechanism for vacuum drying oven, vacuum drying oven and vacuum drying method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207293580U (en) * | 2017-09-04 | 2018-05-01 | 刘文静 | Material conveyer on a kind of full Pneumatic vacuum |
| CN216011587U (en) * | 2021-10-15 | 2022-03-11 | 陕西富捷药业有限公司 | Medicinal decompression drying cabinet of quick even drying |
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| CN115978955A (en) | 2023-04-18 |
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