CN112361837A - Cooling device and cooling method for biomass dry distillation product - Google Patents
Cooling device and cooling method for biomass dry distillation product Download PDFInfo
- Publication number
- CN112361837A CN112361837A CN202011298266.0A CN202011298266A CN112361837A CN 112361837 A CN112361837 A CN 112361837A CN 202011298266 A CN202011298266 A CN 202011298266A CN 112361837 A CN112361837 A CN 112361837A
- Authority
- CN
- China
- Prior art keywords
- pipe
- cooling
- unit
- cold water
- water tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 151
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 63
- 239000002028 Biomass Substances 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 215
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000001704 evaporation Methods 0.000 claims description 52
- 230000008020 evaporation Effects 0.000 claims description 45
- 238000003756 stirring Methods 0.000 claims description 28
- 238000009833 condensation Methods 0.000 claims description 23
- 230000005494 condensation Effects 0.000 claims description 23
- 238000005086 pumping Methods 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 19
- 239000000498 cooling water Substances 0.000 claims description 15
- 238000005057 refrigeration Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000008676 import Effects 0.000 claims 1
- 239000003507 refrigerant Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a cooling device and a cooling method for biomass dry distillation products, which comprise a cold water tank, a water inlet unit, a cooling unit, a refrigerating unit, a switch unit and a port sealing unit; the bottom of the cold water tank is provided with a water inlet unit; the cooling unit comprises an air inlet pipe, a first spiral cooling pipe, a connecting cylinder, a dish-shaped cylinder, a second spiral cooling pipe, an air outlet pipe and a quick connector, the dish-shaped cylinder is positioned on the lower side of the center of the inside of the cold water tank, the bottom of the dish-shaped cylinder is connected with the switch unit, the top of the dish-shaped cylinder is communicated with the connecting cylinder, the side surface of the top of the connecting cylinder is connected with the first spiral cooling pipe, the top end of the first spiral cooling pipe is connected with the air inlet pipe, the end part of the air inlet pipe extends out of the outer side of the top of the cold water tank, the side surface of the top of the dish-shaped cylinder is communicated with; the cooling efficiency is high, the time consumption is short, and the dry distillation product can be fully cooled.
Description
Technical Field
The invention relates to the technical field of biological equipment, in particular to a cooling device and a cooling method for biomass dry distillation products.
Background
After biomass dry distillation treatment, dry distillation products are a large amount of gases with high temperature, and in actual production, the temperatures of the gases need to be cooled, but the existing device for cooling the dry distillation products mostly detects cold water, so that the cooling efficiency is not high, the cooling time is long, and the fed materials can not be sufficiently cooled.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a cooling device and a cooling method for biomass dry distillation products, wherein cold water is continuously introduced to carry out primary cooling on the dry distillation products with higher temperature, then secondary cooling is carried out through air cooling, a large amount of heat generated in the air cooling can be cooled by the cold water used in a cold water tank, the cold water is fully utilized, the cooled dry distillation products are convenient to collect and take out, the cooling efficiency is high, the time consumption is short, the dry distillation products can be fully cooled, and the problems in the background technology can be effectively solved.
In order to achieve the purpose, the invention provides the following technical scheme: the cooling device for biomass dry distillation products comprises a cold water tank, a water inlet unit, a cooling unit, a refrigerating unit, a switch unit and a port sealing unit;
the bottom of the cold water tank is provided with a water inlet unit;
the cooling unit comprises an air inlet pipe, a first spiral cooling pipe, a connecting cylinder, a dish-shaped cylinder, a second spiral cooling pipe, an air outlet pipe and a quick connector, the dish-shaped cylinder is positioned on the lower side of the center of the inside of the cold water tank, the bottom of the dish-shaped cylinder is connected with a switch unit, the top of the dish-shaped cylinder is communicated with the connecting cylinder, the side surface of the top of the connecting cylinder is connected with the first spiral cooling pipe, the top end of the first spiral cooling pipe is connected with the air inlet pipe, the end part of the air inlet pipe extends out of the outer side of the top of the cold water tank, the side surface of the top of the dish-shaped cylinder is communicated with the bottom end of the second spiral cooling pipe, the top end of the;
the refrigeration unit comprises an evaporation pipe, a first connecting pipe, an expansion valve, a second connecting pipe, a condenser pipe, a third connecting pipe, a cooling water tank, a compressor, a fourth connecting pipe, a water diversion pipe, a drain pipe and a drain valve, wherein the evaporation pipe is spiral and is sleeved on the second spiral cooling pipe, the end part of the evaporation pipe is sealed through a port sealing unit, the side surface of the top end of the evaporation pipe is communicated with one end of the first connecting pipe, the other end of the first connecting pipe penetrates through the cold water tank and is connected with one end of the second connecting pipe through the expansion valve, the other end of the second connecting pipe is connected with one end of the condenser pipe, the other end of the condenser pipe is connected with the outlet of the compressor, the inlet of the compressor is connected with the side surface of the bottom end of the evaporation pipe through the fourth connecting pipe, the condenser pipe is positioned at the inner side of the, and the drain pipe is connected with a drain valve in series.
The water inlet unit pumps cold water in an external cold water source into the cold water tank to enable the cold water tank to be filled with cold water, the air inlet pipe is connected with a pipeline of a dry distillation product, the dry distillation product is introduced into the first spiral cooling pipe to be primarily cooled, cooled liquid falls into the bottom in the disc-shaped cylinder through the connecting cylinder, an uncooled gaseous dry distillation product enters the second spiral cooling pipe through the connecting cylinder and the disc-shaped cylinder, the compressor compresses a gaseous refrigerant to the condenser pipe from the evaporation pipe, the gaseous refrigerant is condensed in the condenser pipe to release heat due to high pressure in the condenser pipe, the liquid refrigerant in the condenser pipe enters the evaporation pipe through the expansion valve in a small amount, the liquid refrigerant enters the evaporation pipe to evaporate and absorb heat due to low pressure in the evaporation pipe due to work of the compressor, the temperature of the evaporation pipe is low, the second spiral cooling pipe is cooled through the evaporation pipe, and the uncooled gaseous dry distillation product is enabled to enter the second spiral cooling pipe, other gases are discharged through the air outlet pipe, the quick connector is convenient to connect with the discharge pipeline quickly, and cold water in the cold water tank cools the condensation pipe through the cooling water tank after cooling the spiral cooling pipe I, the connecting cylinder, the disc-shaped cylinder and the spiral cooling pipe II.
Further, the switch unit includes that switch tube, cone, valve seat, valve plate, axle bed, valve rod and valve turn round, the switch tube is connected in the bottom of dish-shaped section of thick bamboo, and the bottom of switch tube passes the bottom surface center of cold water jar and connects the cone, the part side that the switch tube is located the cold water jar downside is rotated through the axle bed and is connected with the valve rod, the valve seat is installed to the part that corresponds the valve rod in the switch tube, and the valve pocket of valve seat is extended to the one end of valve rod and is connected with the valve plate, the one end connecting valve who is located the switch tube outside of valve rod turns round.
The valve shaft is twisted, the valve plate can be driven by the valve rod to completely block the valve cavity of the valve seat, at the moment, the liquid dry distillation product in the disc-shaped cylinder is stored, and if the valve plate is opened, the liquid dry distillation product can be discharged through the switch tube and the conical head.
Further, the water-cooling water tank comprises a stirring unit, wherein the stirring unit comprises a stirring blade, a stirring rod, a rotating ring, a driven gear, a driving gear, a waterproof bearing, a connecting shaft, a motor fixing ring, a power motor, a fixed rod, a fixed plate and a fixing bolt, the rotating ring is sleeved on the part of the switch tube, which is positioned in the water cooling tank, the driven gear is fixedly sleeved on the outer side of the bottom of the rotating ring, the stirring rod is arranged at the top of the rotating ring at equal angles, the stirring blade is arranged at the top of the stirring rod, the bottom of the water cooling tank is rotatably connected with the connecting shaft through the waterproof bearing, the driving gear meshed with the driven gear is connected at the top of the connecting shaft, the output shaft of the power motor is connected at the bottom of the connecting shaft, the motor fixing ring is fixedly sleeved on the outer side of, the fixed plate is fixed on the bottom surface of the cold water tank through a fixing bolt.
The power motor works and drives the driving gear to rotate through the connecting shaft, the rotating ring is driven to rotate through the driven gear, the rotating ring drives the stirring blades to rotate through the stirring rod, water in the cold water tank is stirred, cold water is made to fully contact with the spiral cooling pipe I, and the primary cooling rate is guaranteed.
Further, the port sealing unit includes end cover, port bolt, sealed pad, inner ring and toper stopper, the tip inboard of evaporating pipe is provided with the inner ring, the side of end cover passes through the port bolt fastening at the tip of evaporating pipe, the inboard of end cover is equipped with the toper stopper of stopping up the inner ring, the tip of spiral cooling tube two passes the centre bore of toper stopper and end cover, and is equipped with sealed pad between the tip of end cover inboard and evaporating pipe.
Can guarantee the leakproofness of being connected between spiral cooling pipe two and the evaporating pipe tip through the end cover, guarantee internal connection's leakproofness through inner ring and toper stopper, guarantee external connection's leakproofness through sealed the pad.
Furthermore, the water inlet unit includes a water pump, a water pumping pipe and a water inlet valve, one end of the water pumping pipe is connected to the bottom of the cold water tank, the other end of the water pumping pipe is connected with a water outlet of the water pump, the water inlet of the water pump is connected with an external water source through the water pumping pipe, and the water inlet valve is connected to the water pumping pipe in series.
The water pump pumps cold water from an external water source into the water pumping pipe, then the cold water enters the cold water tank, and the water pumping pipe can be closed through the water inlet valve when the water tank is not used.
Further, still include water filter unit, water filter unit includes mounting bracket, bearing, pivot, installation piece, worm wheel blade, installation pole, brush hair, fixed fixture block and filter screen, the top inboard of pump line is fixed with the bearing through the mounting bracket, the bearing internal rotation is connected with the pivot, the top of pivot is connected with worm wheel blade through the installation piece, the brush hair is installed through the installation pole in the bottom of pivot, the inboard of pump line is located the brush hair below and still installs the filter screen through fixed fixture block, the top surface and the brush hair contact of filter screen.
The filter screen can filter water to the reduction is too much to the needs of water cleanliness factor, if debris that filter down on the filter screen are too much, rivers can drive the pivot through worm wheel blade and rotate, thereby drive the debris of brush filter screen bottom surface, can prolong the change interval of filter screen.
The water cooling device further comprises a supporting unit, wherein the supporting unit comprises a chassis, a supporting disk, a stand column, an inclined strut, a lantern ring and a positioning bolt, the lantern ring is fixedly sleeved at the bottom of the cold water tank, the side face of the lantern ring is in threaded connection with the positioning bolt for supporting the cold water tank, the bottom of the lantern ring is connected with the top of the supporting disk through at least three inclined struts with equal angles, the bottom of the supporting disk is connected with the chassis through the stand column, and the stand column and the inclined strut are arranged in a vertically corresponding mode.
Can support the cold water tank through stand, diagonal brace, guarantee following switch unit's operation, lantern ring and positioning bolt can guarantee with the stability of being connected of cold water tank.
Further, still including holding the unit, hold the unit and include the spout, hold a section of thick bamboo, round hole and handle, the round hole that corresponds the switch unit is seted up at the top center of supporting disk, the spout has been seted up on the chassis, the one end of spout extends to the border on chassis, and the other end is located the round hole under, the one end that the spout is located the round hole under is convex, sliding placement has held a section of thick bamboo in the spout, the side that holds a section of thick bamboo is provided with the handle.
When the dry distillation product needs to be taken out, the switch unit is opened, the circular arc-shaped end of the sliding groove is placed in the containing barrel, the dry distillation product flows into the containing barrel, the containing barrel is pulled out through the handle, and the taking and the placing are convenient.
Furthermore, still include top cap and top cap bolt, the open-top of cold water jar, and the top surface of cold water jar is provided with the top cap through the top cap bolt fastening. The cold water tank requires a cooling unit and a refrigeration unit pack to be installed, so the top of the cold water tank is opened, and then the opening can be closed by a top cover and a top cover bolt.
A cooling method for a cooling device for biomass dry distillation products, comprising the steps of;
the method comprises the following steps: connecting a biomass dry distillation product with an air inlet pipe through a pipeline, sequentially cooling the biomass dry distillation product through a first spiral cooling pipe, a connecting cylinder, a disc-shaped cylinder and a second spiral cooling pipe, and enabling liquid generated by cooling to flow into the disc-shaped cylinder;
step two: a water pump of the water inlet unit pumps external cold water into the cold water tank, and the spiral cooling pipe I, the connecting cylinder, the disc-shaped cylinder and the spiral cooling pipe II are cooled, so that condensation of the dry distillation products is facilitated;
step three: the refrigerating unit works, and the spiral cooling pipe II is further cooled through the refrigeration of the evaporating pipe, so that the complete condensation and liquefaction of the dry distillation product are ensured;
step four: after the spiral cooling pipe I, the connecting cylinder, the dish-shaped cylinder and the spiral cooling pipe II are cooled by cold water in the cold water tank, the condensation pipe can be cooled by the cooling water tank, so that the high-efficiency work of the refrigeration unit can be ensured, and the refrigeration effect of the evaporation pipe can be ensured;
step five: when sufficient liquid dry distillation products are accumulated in the disc-shaped cylinder, the control switch unit is opened and can be released into the containing cylinder to be taken out.
Compared with the prior art, the invention has the beneficial effects that: the cooling device and the cooling method for biomass dry distillation products have the following advantages:
1. the water inlet unit pumps cold water in an external cold water source into a cold water tank, so that the cold water tank is filled with the cold water, the air inlet pipe is connected with a pipeline of a dry distillation product, the dry distillation product is introduced into the first spiral cooling pipe for primary cooling, cooled liquid falls into the bottom in the disc-shaped cylinder through the connecting cylinder, and uncooled gaseous dry distillation product enters the second spiral cooling pipe through the connecting cylinder and the disc-shaped cylinder;
2. the compressor compresses gaseous refrigerant to the condenser pipe from the evaporation pipe, the pressure in the condenser pipe is high due to the work of the compressor, so that the gaseous refrigerant is condensed in the condenser pipe to release heat, the liquid refrigerant in the condenser pipe enters the evaporation pipe in a small amount through the expansion valve, the pressure in the evaporation pipe is low due to the work of the compressor, the liquid refrigerant enters the evaporation pipe to be evaporated and absorb heat, so that the temperature of the evaporation pipe is low, the spiral cooling pipe II is cooled through the evaporation pipe, the uncooled gaseous destructive distillation product is ensured to enter the spiral cooling pipe II to be fully cooled, other gas is discharged through the gas outlet pipe, and the quick connector is convenient to quickly connect with the discharge pipeline;
3. after cooling the spiral cooling pipe I, the connecting cylinder, the disc-shaped cylinder and the spiral cooling pipe II by cold water in the cold water tank, the condensation pipe can be cooled by the cooling water tank;
4. constantly let in cold water and produce the thing and carry out primary cooling to the higher dry distillation of temperature, then carry out secondary cooling through the air-cooling, the used cold water of a large amount of heats that produces in the air-cooling can adopt in the cold water tank cools off, abundant utilizes cold water, and the dry distillation after the cooling produces the thing and conveniently collects and take out, and cooling efficiency is high, weak point consuming time can produce the thing to the dry distillation and fully cool off.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic side view of the present invention;
FIG. 5 is a rear side view of the present invention;
FIG. 6 is a schematic front cross-sectional view of the present invention;
FIG. 7 is a schematic cross-sectional view of a switch unit according to the present invention;
FIG. 8 is a schematic view of a partial cross-sectional configuration of the refrigeration unit of the present invention;
FIG. 9 is a schematic view of the structure of a water filtration unit according to the present invention;
fig. 10 is a schematic structural diagram of a port sealing unit according to the present invention.
In the figure: 1 cold water tank, 2 supporting units, 21 chassis, 22 supporting discs, 23 upright posts, 24 diagonal braces, 25 lantern rings, 26 positioning bolts, 3 containing units, 31 chutes, 32 containing cylinders, 33 round holes, 34 handles, 4 water inlet units, 41 water pumps, 42 water pumping pipes, 43 water pumping pipes, 44 water inlet valves, 5 water filtering units, 51 mounting frames, 52 bearings, 53 rotating shafts, 54 mounting blocks, 55 worm blades, 56 mounting rods, 57 brush bristles, 58 fixing blocks, 59 filter screens, 6 cooling units, 61 air inlet pipes, 62 spiral cooling pipe I, 63 connecting cylinders, 64 disc-shaped cylinders, 65 spiral cooling pipe II, 66 air outlet pipes, 67 quick connectors, 7 refrigeration units, 71 evaporation pipes, 72 connecting pipe I, 73 expansion valves, 74 connecting pipe II, 75 condensation pipes, 76 connecting pipe III, 77 cooling water tanks, 78 compressors, 79 IV, 710 water guide pipes, 711 water discharge pipes, 712 drain pipes, water drain pipes, 71 evaporation, 8 switch units, 81 switch tubes, 82 conical heads, 83 valve seats, 84 valve plates, 85 shaft seats, 86 valve rods, 87 valve knobs, 9 stirring units, 91 stirring blades, 92 stirring rods, 93 rotating rings, 94 driven gears, 95 driving gears, 96 waterproof bearings, 97 connecting shafts, 98 motor fixing rings, 99 power motors, 910 fixing rods, 911 fixing plates, 912 fixing bolts, 10 port sealing units, 101 end covers, 102 port bolts, 103 sealing gaskets, 104 inner rings, 105 conical plugs, 11 top covers and 12 top cover bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, fig. 4-6 and fig. 8, the present embodiment provides a technical solution: the cooling device for biomass dry distillation products comprises a cold water tank 1, a water inlet unit 4, a cooling unit 6, a refrigerating unit 7, a switch unit 8 and a port sealing unit 10;
the bottom of the cold water tank 1 is provided with a water inlet unit 4;
the cooling unit 6 comprises an air inlet pipe 61, a first spiral cooling pipe 62, a connecting cylinder 63, a disk-shaped cylinder 64, a second spiral cooling pipe 65, an air outlet pipe 66 and a quick connector 67, the disk-shaped cylinder 64 is positioned on the lower side of the center of the inside of the cold water tank 1, the bottom of the disk-shaped cylinder 64 is connected with a switch unit 8, the top of the disk-shaped cylinder 64 is communicated with the connecting cylinder 63, the side surface of the top of the connecting cylinder 63 is connected with the first spiral cooling pipe 62, the top end of the first spiral cooling pipe 62 is connected with the air inlet pipe 61, the end part of the air inlet pipe 61 extends out of the outer side of the top of the cold water tank 1, the side surface of the top of the disk-shaped cylinder 64 is communicated with the bottom end of the second spiral cooling pipe 65;
the refrigeration unit 7 comprises an evaporation pipe 71, a first connecting pipe 72, an expansion valve 73, a second connecting pipe 74, a condensation pipe 75, a third connecting pipe 76, a cooling water tank 77, a compressor 78, a fourth connecting pipe 79, a water conduit 710, a water conduit 711 and a water drain valve 712, wherein the evaporation pipe 71 is spiral and is sleeved on the second spiral cooling pipe 65, the end part of the evaporation pipe 71 is sealed by a port sealing unit 10, the top end side surface of the evaporation pipe 71 is communicated with one end of the first connecting pipe 72, the other end of the first connecting pipe 72 penetrates through the cold water tank 1 and is connected with one end of the second connecting pipe 74 through the expansion valve 73, the other end of the second connecting pipe 74 is connected with one end of the condensation pipe 75, the other end of the condensation pipe 75 is connected with the outlet of the compressor 78, the inlet of the compressor 78 is connected with the bottom end side surface of the evaporation pipe 71 through the fourth connecting pipe 79, the condensation pipe, and a drain pipe 711 is connected to the bottom side surface of the cooling water tank 77, and a drain valve 712 is connected in series to the drain pipe 711.
The water inlet unit 4 pumps cold water in an external cold water source into the cold water tank 1 to enable the cold water tank 1 to be filled with cold water, the air inlet pipe 61 is connected with a pipeline of a dry distillation product, the dry distillation product is introduced into the first spiral cooling pipe 62 to be primarily cooled, cooled liquid falls into the inner bottom of the disc-shaped cylinder 64 through the connecting cylinder 63, uncooled gaseous dry distillation product enters the second spiral cooling pipe 65 through the connecting cylinder 63 and the disc-shaped cylinder 64, the compressor 78 compresses gaseous refrigerant from the evaporation pipe 71 to the condensation pipe 75, the compressor 78 enables the pressure in the condensation pipe 75 to be high, the gaseous refrigerant is condensed in the condensation pipe 75 to release heat, the liquid refrigerant in the condensation pipe 75 enters the evaporation pipe 71 through the expansion valve 73 in small amount, the liquid refrigerant enters the evaporation pipe 71 to be evaporated and absorb heat due to the low pressure in the evaporation pipe 71 caused by the operation of the compressor 78, and the temperature of the evaporation pipe 71 is low, through evaporating pipe 71 to two 65 of spiral cooling pipes cool down, guarantee not to have the refrigerated gaseous state dry distillation produce the thing and carry out abundant cooling after getting into two 65 of spiral cooling pipes, other gas are discharged through outlet duct 66, quick-operation joint 67 makes things convenient for the high-speed joint exhaust duct, and cold water in the cold water tank 1 can cool off condenser pipe 75 through coolant tank 77 after cooling to spiral cooling pipe 62, connecting cylinder 63, dish section of thick bamboo 64 and two 65 of spiral cooling pipes.
Referring to fig. 7, the switch unit 8 includes a switch tube 81, a conical head 82, a valve seat 83, a valve plate 84, a shaft seat 85, a valve rod 86 and a valve knob 87, the switch tube 81 is connected to the bottom of the disc-shaped cylinder 64, the bottom end of the switch tube 81 passes through the center of the bottom of the cold water tank 1 and is connected to the conical head 82, a portion of the switch tube 81 located at the lower side of the cold water tank 1 is rotatably connected to the valve rod 86 through the shaft seat 85, the valve seat 83 is installed at a portion corresponding to the valve rod 86 in the switch tube 81, one end of the valve rod 86 extends out of the valve cavity of the valve seat 83 and is connected to the valve plate 84, and one end of.
The valve knob 87 is turned to drive the valve plate 84 through the valve rod 86 to completely block the valve cavity of the valve seat 83, so that the liquid retort product in the disc-shaped cylinder 64 is preserved, and if the valve plate 84 is opened, the liquid retort product can be discharged through the switch tube 81 and the conical head 82.
Referring to fig. 3 and 6, the water-cooling system further comprises a stirring unit 9, the stirring unit 9 comprises a stirring blade 91, a stirring rod 92, a rotating ring 93, a driven gear 94, a driving gear 95, a waterproof bearing 96, a connecting shaft 97, a motor fixing ring 98, a power motor 99, a fixing rod 910, a fixing plate 911 and a fixing bolt 912, the rotating ring 93 is rotatably sleeved on a part of the switch tube 81 located in the cold water tank 1, the driven gear 94 is fixedly sleeved on the outer side of the bottom of the rotating ring 93, the stirring rod 92 is arranged on the top of the rotating ring 93 at an equal angle, the stirring blade 91 is arranged on the top of the stirring rod 92, the connecting shaft 97 is rotatably connected to the bottom of the cold water tank 1 through the waterproof bearing 96, the driving gear 95 meshed with the driven gear 94 is connected to the top of the connecting shaft 97, the bottom end of the connecting shaft 97 is connected to an output shaft of the, the top of the fixing rod 910 is provided with a fixing plate 911, and the fixing plate 911 is fixed on the bottom surface of the cold water tank 1 by a fixing bolt 912.
Referring to fig. 10, the port sealing unit 10 includes an end cover 101, a port bolt 102, a gasket 103, an inner ring 104 and a tapered plug 105, the inner ring 104 is disposed on the inner side of the end portion of the evaporation tube 71, the side surface of the end cover 101 is fixed to the end portion of the evaporation tube 71 through the port bolt 102, the tapered plug 105 is disposed on the inner side of the end cover 101 and plugs the inner ring 104, the end portion of the spiral cooling tube two 65 penetrates through the tapered plug 105 and the central hole of the end cover 101, and the gasket 103 is disposed between the inner side of the end cover 101 and the end portion of the evaporation tube.
The end cover 101 can ensure the tightness of the connection between the second spiral cooling pipe 65 and the end part of the evaporation pipe 71, the inner ring 104 and the conical plug 105 can ensure the tightness of the inner connection, and the sealing gasket 103 can ensure the tightness of the outer connection.
Referring to fig. 4, the water inlet unit 4 includes a water pump 41, a water pumping pipe 42, a water pumping pipe 43 and a water inlet valve 44, the bottom of the cold water tank 1 is connected to one end of the water pumping pipe 43, the other end of the water pumping pipe 43 is connected to a water outlet of the water pump 41, a water inlet of the water pump 41 is connected to an external water source through the water pumping pipe 42, and the water pumping pipe 43 is connected in series to the water inlet valve 44.
The pump 41 pumps cold water from an external source into the suction pipe 42 and then into the cold water tank 1, and the suction pipe 42 may be closed by the inlet valve 44 when not in use.
Referring to fig. 9, the water filter unit 5 further includes a water filter unit 5, the water filter unit 5 includes an installation frame 51, a bearing 52, a rotating shaft 53, an installation block 54, a worm wheel blade 55, an installation rod 56, bristles 57, a fixing block 58 and a filter screen 59, the bearing 52 is fixed on the inner side of the top of the water pumping pipe 43 through the installation frame 51, the rotating shaft 53 is rotatably connected in the bearing 52, the top of the rotating shaft 53 is connected with the worm wheel blade 55 through the installation block 54, the bristles 57 are installed on the bottom of the rotating shaft 53 through the installation rod 56, the filter screen 59 is also installed on the inner side of the water pumping pipe 43 below the bristles 57 through the fixing block 58, and the.
Referring to fig. 1, the water tank cooling system further includes a supporting unit 2, the supporting unit 2 includes a chassis 21, a supporting plate 22, a column 23, an inclined strut 24, a collar 25 and a positioning bolt 26, the collar 25 is fixedly sleeved on the bottom of the water tank 1, a side surface of the collar 25 is in threaded connection with the positioning bolt 26 abutting against the water tank 1, the bottom of the collar 25 is connected to the top of the supporting plate 22 through at least three inclined struts 24 with equal angles, the bottom of the supporting plate 22 is connected to the chassis 21 through the column 23, and the column 23 and the inclined strut 24 are vertically and correspondingly disposed.
The cold water tank 1 can be supported by the upright column 23 and the diagonal brace 24, the operation of the lower switch unit 8 is ensured, and the connection stability with the cold water tank 1 can be ensured by the lantern ring 25 and the positioning bolt 26.
Referring to fig. 1-2, the portable electronic device further includes a holding unit 3, the holding unit 3 includes a sliding groove 31, a holding cylinder 32, a circular hole 33 and a handle 34, the circular hole 33 corresponding to the switch unit 8 is formed in the center of the top of the supporting plate 22, the sliding groove 31 is formed in the chassis 21, one end of the sliding groove 31 extends to the edge of the chassis 21, the other end of the sliding groove 31 is located under the circular hole 33, one end of the sliding groove 31 located under the circular hole 33 is arc-shaped, the holding cylinder 32 is slidably placed in the sliding groove 31, and the handle 34 is disposed on the side surface of.
When the dry distillation products need to be taken out, the switch unit 8 is turned on, the containing cylinder 32 is placed at the arc-shaped end of the sliding groove 31, the dry distillation products flow into the containing cylinder 32, and the containing cylinder 32 is pulled out through the handle 34, so that the dry distillation products are convenient to take and place.
Referring to fig. 1, the water cooling system further includes a top cover 11 and a top cover bolt 12, wherein the top of the water cooling tank 1 is open, and the top of the water cooling tank 1 is fixedly provided with the top cover 11 through the top cover bolt 12. The cold water tank 1 is required to be equipped with the cooling unit 6 and the refrigerating unit 7, so that the top of the cold water tank 1 is opened, and then the opening can be closed by the top cover 11 and the top cover bolt 12.
Referring to fig. 1-10, a cooling method for a cooling device for biomass dry distillation products comprises the following steps;
the method comprises the following steps: connecting a biomass dry distillation product with an air inlet pipe 61 through a pipeline, sequentially cooling the biomass dry distillation product through a first spiral cooling pipe 62, a connecting cylinder 63, a disc-shaped cylinder 64 and a second spiral cooling pipe 65, and enabling liquid generated by cooling to flow into the disc-shaped cylinder 64;
step two: the water pump 41 of the water inlet unit 4 pumps external cold water into the cold water tank 1 to cool the first spiral cooling pipe 62, the connecting cylinder 63, the disc-shaped cylinder 64 and the second spiral cooling pipe 65, so that condensation of the dry distillation products is facilitated;
step three: the refrigerating unit 7 works, and further cooling is carried out on the second spiral cooling pipe 65 through refrigeration of the evaporation pipe 71, so that complete condensation and liquefaction of the dry distillation products are ensured;
step four: after cooling the first spiral cooling pipe 62, the connecting cylinder 63, the disc-shaped cylinder 64 and the second spiral cooling pipe 65, the cold water in the cold water tank 1 can cool the condensation pipe 75 through the cooling water tank 77, so that the efficient work of the refrigeration unit 7 can be ensured, and the refrigeration effect of the evaporation pipe 71 can be ensured;
step five: when the disc-shaped cylinder 64 is sufficiently filled with the liquid retort product, the control switch unit 8 is turned on and released into the holding cylinder 32 to be taken out.
It should be noted that the input ends of the compressor 78, the power motor 99 and the water pump 41 disclosed in the above embodiments are all electrically connected to the output end of an external PLC controller, the compressor 78, the power motor 99 and the water pump 41 can be freely selected and matched according to actual use scenes, the PLC controller controls the compressor 78, the power motor 99 and the water pump 41 to work by a method commonly used in the prior art, and other parts not detailed in the present invention are all by the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A cooling device for biomass dry distillation production thing, characterized by: comprises a cold water tank (1), a water inlet unit (4), a cooling unit (6), a refrigerating unit (7), a switch unit (8) and a port sealing unit (10);
the bottom of the cold water tank (1) is provided with a water inlet unit (4);
the cooling unit (6) comprises an air inlet pipe (61), a first spiral cooling pipe (62), a connecting cylinder (63), a dish-shaped cylinder (64), a second spiral cooling pipe (65), an air outlet pipe (66) and a quick coupling (67), wherein the dish-shaped cylinder (64) is positioned on the lower side of the inner center of the cold water tank (1), the bottom of the dish-shaped cylinder (64) is connected with a switch unit (8), the top of the dish-shaped cylinder (64) is communicated with the connecting cylinder (63), the top side surface of the connecting cylinder (63) is connected with the first spiral cooling pipe (62), the top end of the first spiral cooling pipe (62) is connected with the air inlet pipe (61), the end part of the air inlet pipe (61) extends out of the top of the cold water tank (1), the top side surface of the dish-shaped cylinder (64) is communicated with the bottom end of the second spiral cooling pipe (65), and the top end of the second, the other end of the air outlet pipe (66) extends out of the outer side of the top of the cold water tank (1) and is connected with a quick connector (67);
the refrigeration unit (7) comprises an evaporation pipe (71), a first connecting pipe (72), an expansion valve (73), a second connecting pipe (74), a condensation pipe (75), a third connecting pipe (76), a cooling water tank (77), a compressor (78), a fourth connecting pipe (79), a water conduit (710), a water drain pipe (711) and a water drain valve (712), wherein the evaporation pipe (71) is spiral and is sleeved on the second spiral cooling pipe (65), the end part of the evaporation pipe (71) is sealed through a port sealing unit (10), the top end side surface of the evaporation pipe (71) is communicated with one end of the first connecting pipe (72), the other end of the first connecting pipe (72) penetrates through the cold water tank (1) and is connected with one end of the second connecting pipe (74) through the expansion valve (73), the other end of the second connecting pipe (74) is connected with one end of the condensation pipe (75), the other end of the condensation pipe (75) is connected with an outlet of, the bottom side of evaporating pipe (71) is connected through connecting pipe four (79) to the import of compressor (78), condenser pipe (75) are located cooling water tank (77) inboard, and the top side of cold water jar (1) passes through leading water pipe (710) and connects the top of cooling water tank (77), and the bottom side of cooling water tank (77) is connected with drain pipe (711), it has drain valve (712) to concatenate on drain pipe (711).
2. The cooling device for biomass dry distillation product according to claim 1, wherein: switch unit (8) include switch tube (81), cone (82), valve seat (83), valve plate (84), axle bed (85), valve rod (86) and valve and turn round (87), switch tube (81) are connected in the bottom of dish section of thick bamboo (64), and the bottom of switch tube (81) passes the bottom surface center of cold water jar (1) and connect cone (82), switch tube (81) are located the partial side of cold water jar (1) downside and rotate through axle bed (85) and are connected with valve rod (86), valve seat (83) are installed to the part that corresponds valve rod (86) in switch tube (81), and the valve pocket of valve seat (83) is extended and be connected with valve plate (84) to the one end of valve rod (86) that is located the switch tube (81) outside, valve rod (86) are connected the valve and are turned round (87).
3. The cooling device for biomass dry distillation product according to claim 2, wherein: the water-cooling water tank is characterized by further comprising a stirring unit (9), wherein the stirring unit (9) comprises a stirring blade (91), a stirring rod (92), a rotating ring (93), a driven gear (94), a driving gear (95), a waterproof bearing (96), a connecting shaft (97), a motor fixing ring (98), a power motor (99), a fixing rod (910), a fixing plate (911) and a fixing bolt (912), the rotating ring (93) is sleeved on the part, located in the water-cooling tank (1), of the switch tube (81) in a rotating mode, the driven gear (94) is fixedly sleeved on the outer side of the bottom of the rotating ring (93), the stirring rod (92) is arranged on the top of the rotating ring (93) at equal angles, the stirring blade (91) is arranged on the top of the stirring rod (92), the connecting shaft (97) is rotatably connected to the bottom of the water-cooling tank (1) through the waterproof bearing (96), the top of the connecting shaft (, the output shaft of power motor (99) is connected to the bottom of connecting axle (97), the solid fixed ring of motor (98) is fixed to the outside of power motor (99), the top of the solid fixed ring of motor (98) is equipped with dead lever (910), the top of dead lever (910) is provided with fixed plate (911), the bottom surface at cold water tank (1) is fixed through fixing bolt (912) in fixed plate (911).
4. The cooling device for biomass dry distillation product according to claim 1, wherein: the port sealing unit (10) comprises an end cover (101), a port bolt (102), a sealing gasket (103), an inner ring (104) and a conical plug (105), the inner ring (104) is arranged on the inner side of the end part of the evaporation tube (71), the side surface of the end cover (101) is fixed on the end part of the evaporation tube (71) through the port bolt (102), the conical plug (105) plugging the inner ring (104) is arranged on the inner side of the end cover (101), the end part of the spiral cooling tube II (65) penetrates through the central holes of the conical plug (105) and the end cover (101), and the sealing gasket (103) is arranged between the inner side of the end cover (101) and the end part of the evaporation tube (71).
5. The cooling device for biomass dry distillation product according to claim 1, wherein: the water inlet unit (4) comprises a water pump (41), a water pumping pipe (42), a water pumping pipe (43) and a water inlet valve (44), one end of the water pumping pipe (43) is connected to the bottom of the cold water tank (1), the other end of the water pumping pipe (43) is connected with a water outlet of the water pump (41), the water inlet of the water pump (41) is connected with an external water source through the water pumping pipe (42), and the water inlet valve (44) is connected to the water pumping pipe (43) in series.
6. The cooling device for biomass dry distillation product according to claim 5, wherein: still include water filter unit (5), water filter unit (5) include mounting bracket (51), bearing (52), pivot (53), installation piece (54), worm wheel blade (55), installation pole (56), brush hair (57), fixed fixture block (58) and filter screen (59), the top inboard of pump line (43) is fixed with bearing (52) through mounting bracket (51), bearing (52) internal rotation is connected with pivot (53), the top of pivot (53) is connected with worm wheel blade (55) through installation piece (54), brush hair (57) are installed through installation pole (56) in the bottom of pivot (53), the inboard of pump line (43) is located brush hair (57) below and still installs filter screen (59) through fixed fixture block (58), the top surface and the brush hair (57) contact of filter screen (59).
7. The cooling device for biomass dry distillation product according to claim 1, wherein: still include supporting element (2), supporting element (2) include chassis (21), supporting disk (22), stand (23), diagonal brace (24), lantern ring (25) and positioning bolt (26), the fixed bottom of fixing cold water tank (1) of cup joint in lantern ring (25), and the side threaded connection of lantern ring (25) has positioning bolt (26) of propping against cold water tank (1), the top of supporting disk (22) is connected through diagonal brace (24) that is no less than three equiangular to the bottom of lantern ring (25), chassis (21) is connected through stand (23) in the bottom of supporting disk (22), stand (23) and diagonal brace (24) correspond the setting from top to bottom.
8. The cooling device for biomass dry distillation product according to claim 7, wherein: still including holding unit (3), hold unit (3) include spout (31), hold a section of thick bamboo (32), round hole (33) and handle (34), round hole (33) that correspond switch unit (8) are seted up at the top center of supporting disk (22), spout (31) have been seted up on chassis (21), the one end of spout (31) extends to the border on chassis (21), and the other end is located round hole (33) under, spout (31) are located the one end of round hole (33) under and are arc, sliding placement has held a section of thick bamboo (32) in spout (31), the side that holds a section of thick bamboo (32) is provided with handle (34).
9. The cooling device for biomass dry distillation product according to claim 1, wherein: still include top cap (11) and top cap bolt (12), the open-top of cold water jar (1), and the top surface of cold water jar (1) is provided with top cap (11) through top cap bolt (12) is fixed.
10. The cooling method of the cooling device for biomass dry distillation products according to any one of claims 1 to 9, wherein: comprises the following steps;
the method comprises the following steps: connecting biomass dry distillation products with an air inlet pipe (61) through a pipeline, sequentially cooling the biomass dry distillation products through a first spiral cooling pipe (62), a connecting cylinder (63), a disc-shaped cylinder (64) and a second spiral cooling pipe (65), and enabling all liquid generated by cooling to flow into the disc-shaped cylinder (64);
step two: a water pump (41) of the water inlet unit (4) pumps external cold water into the cold water tank (1) to cool the spiral cooling pipe I (62), the connecting cylinder (63), the disc-shaped cylinder (64) and the spiral cooling pipe II (65), so that condensation of a dry distillation product is facilitated;
step three: the refrigerating unit (7) works, and the spiral cooling pipe II (65) is further cooled through the refrigeration of the evaporation pipe (71), so that the complete condensation and liquefaction of the dry distillation products are ensured;
step four: after cooling the first spiral cooling pipe (62), the connecting cylinder (63), the disc-shaped cylinder (64) and the second spiral cooling pipe (65), cold water in the cold water tank (1) can cool the condensation pipe (75) through the cooling water tank (77), so that the efficient work of the refrigeration unit (7) can be ensured, and the refrigeration effect of the evaporation pipe (71) can be ensured;
step five: when sufficient liquid dry distillation product is accumulated in the disc-shaped cylinder (64), the control switch unit (8) is opened and can be released into the containing cylinder (32) to be taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011298266.0A CN112361837A (en) | 2020-11-19 | 2020-11-19 | Cooling device and cooling method for biomass dry distillation product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011298266.0A CN112361837A (en) | 2020-11-19 | 2020-11-19 | Cooling device and cooling method for biomass dry distillation product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112361837A true CN112361837A (en) | 2021-02-12 |
Family
ID=74533988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011298266.0A Withdrawn CN112361837A (en) | 2020-11-19 | 2020-11-19 | Cooling device and cooling method for biomass dry distillation product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112361837A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113499600A (en) * | 2021-07-17 | 2021-10-15 | 海南富山油气化工有限公司 | Intelligent control device used in production process of petroleum mixed xylene |
-
2020
- 2020-11-19 CN CN202011298266.0A patent/CN112361837A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113499600A (en) * | 2021-07-17 | 2021-10-15 | 海南富山油气化工有限公司 | Intelligent control device used in production process of petroleum mixed xylene |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6810846B2 (en) | How to use the filter for steam discharged from the turbine | |
| CN112361837A (en) | Cooling device and cooling method for biomass dry distillation product | |
| CN206260749U (en) | A kind of automation salting apparatus for smoking bacon processing | |
| JP2020032398A (en) | Automatically washable turbin vapor filter | |
| CN216448387U (en) | Magnetic energy and air energy double-effect hybrid power normal-temperature water heater | |
| CN212236048U (en) | Gas hydrate concentrating device | |
| CN214250310U (en) | Beer and beverage quick-cooling cabinet | |
| CN217210016U (en) | Precooling unit for air oxygen production | |
| CN220116600U (en) | Vacuum oil quenching furnace with good heat insulation effect | |
| CN112484343A (en) | Air source screw type heat pump unit with defrosting mechanism | |
| CN212512033U (en) | Multistage guiding device for refrigeration house refrigerating system | |
| CN215522899U (en) | Gas drainer with electric heating function | |
| CN215944851U (en) | Quick cooling device of boats and ships cooling water | |
| CN212575701U (en) | Sewage source heat pump blowdown structure of loosing | |
| CN214426207U (en) | Combined heat exchanger | |
| CN220472379U (en) | Central air conditioning energy recovery produces hot water device | |
| CN111503927B (en) | Intelligent frost-free air energy heat pump system | |
| CN219493841U (en) | LNG leaks emergency treatment device | |
| CN219019370U (en) | High low temperature all-in-one cooling mechanism | |
| CN209586634U (en) | A kind of oil cooling unit tool sealing device suitable for vapour compression machine | |
| CN216044387U (en) | Novel rotor pump with good sealing structure | |
| CN217715540U (en) | Combined liquid accumulator for refrigeration equipment | |
| CN218565822U (en) | Novel air source heat pump heating device | |
| CN208536322U (en) | A kind of scale protective type air-conditioning energy saver being easily installed | |
| CN220769764U (en) | Air inlet device of turbine air compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210212 |