CN206746024U - A kind of trap for para-Phthalonitrile production line - Google Patents
A kind of trap for para-Phthalonitrile production line Download PDFInfo
- Publication number
- CN206746024U CN206746024U CN201720054474.3U CN201720054474U CN206746024U CN 206746024 U CN206746024 U CN 206746024U CN 201720054474 U CN201720054474 U CN 201720054474U CN 206746024 U CN206746024 U CN 206746024U
- Authority
- CN
- China
- Prior art keywords
- column body
- hollow hanging
- hollow
- trap
- brush
- 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.)
- Active
Links
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model discloses a kind of trap for para-Phthalonitrile production line, cylinder including inner hollow and with refrigerating function, cylinder includes column body and the lower cone being vertically connected with, column body is connected with air inlet pipe and escape pipe, if the interior parallel of column body, which is placed with dry plate, has the hollow hanging of refrigerating function, the lateral surface of each hollow hanging is surrounded with extruding the brush configuration of its lateral surface, brush configuration is connected with the drive device that the lateral surface that it can be driven along hollow hanging moves up and down, the top cover of column body is connected with several showers, the bottom of shower is placed in inside column body and is provided with shower nozzle, lower cone inner bottom part is provided with device for transporting objects, material-pulverizing device is provided between hollow hanging bottom and device for transporting objects, vibrator is provided with the outside of cylinder.This is used for the trap of para-Phthalonitrile production line, can realize automatically continuously stable discharging, improve trapping yield, wastewater flow rate caused by reduction, effectively reduce volume.
Description
Technical field
It the utility model is related to pesticide production technology field, and in particular to a kind of pesticide producing device, more particularly to it is a kind of
Trap for para-Phthalonitrile production line.
Background technology
Para-Phthalonitrile (TPN) is a kind of important aromatic nitriles, and its hydrogenation can prepare p dimethylamine or Isosorbide-5-Nitrae-diformazan ammonia
Butylcyclohexane, both are all the important source materials of polyamide, and epoxy curing agent good at present.
Existing Chinese patent literature CN 201825893U disclose a kind of novel chlorthal production device, and specifically disclose
TPN can prepare tetrachloro-p-phenylene's dimethoxy nitrile with chlorine reaction, and using tetrachloro-p-phenylene's dimethoxy nitrile as raw material, four are produced with solvent Hydrolyze method
Chlorine terephthalic acid (TPA)；Using tetrachloro-p-phenylene's dioctyl phthalate as raw material, reacted in a solvent with dimethyl suflfate, in the effect of catalyst
Under, can be in high yield obtain Herbicide Chlorthal-Dimethyl.TPN hydrolysis can obtain terephthalic acid (TPA), and terephthalic acid (TPA) is heavily used for
Synthetic polyester fibers and polyester resin.Just because of para-Phthalonitrile application is extremely extensive, in recent years, domestic and international market is to it
Demand increases year by year.
Current synthesis para-Phthalonitrile is main, most efficient method, is with paraxylene under catalyst action, with ammonia
Gas, oxygen are obtained by ammoxidation reaction；The successful key of the reaction is catalyst, but for the para-Phthalonitrile of solid
Collecting device and mode are also all extremely important.And in the prior art, conventional ammonia oxidation production para-Phthalonitrile product
Trapping ways be thin-walled trapping.Wherein, the structure design of trap is particularly critical in thin-walled Trapping ways, and this is related to collection
To the quality and product yield of product.Traditional thin-walled trap is because it is internal without corresponding heat exchange element, and volume is huge
Greatly, floor space is big, and trapping yield is not also high；Para-Phthalonitrile material in trap needs to be flushed out with water by worker
Come, it is impossible to accomplish automatically continuously to discharge, working environment is poor, and wastewater flow rate is also larger.
Utility model content
The purpose of this utility model is to propose a kind of trap for para-Phthalonitrile production line, can realized automatic
Continuous-stable discharges, and improves trapping yield, wastewater flow rate caused by reduction, effectively reduces volume.
To use following technical scheme up to this purpose, the utility model：
A kind of trap for para-Phthalonitrile production line, including inner hollow and the cylinder with refrigerating function, institute
State cylinder and be connected with air inlet pipe and escape pipe, the column body including the column body being vertically connected with and lower cone, the column body
If interior parallel be placed with dry plate there is the hollow hanging of refrigerating function, the lateral surface of each hollow hanging is surrounded with
The brush configuration of its lateral surface is extruded, the brush configuration is connected with the lateral surface that it can be driven along the hollow hanging and moved up and down
Drive device, the top cover of the column body is connected with several showers, and the bottom of the shower is placed in the column body
Inside is simultaneously provided with shower nozzle, and the lower cone inner bottom part is provided with device for transporting objects, the hollow hanging bottom and the thing
Material-pulverizing device is provided between material conveying device, vibrator is provided with the outside of the cylinder.
Wherein, the column body outer sheath is provided with spiral chuck, and the lower cone outer sheath is provided with chuck, the screw clamp
Cooling medium is connected with inside set, the chuck and the hollow hanging, the cooling medium is conduction oil, steam, air
Or water.
Wherein, the width of the column body is 1400-10000mm, and the height of the column body is 3000-10000mm；Institute
The cone angle for stating lower cone is 30-120 °, and the wall thickness of the lower cone is 10-30mm.
Wherein, the shower nozzle is air-water mixed aerosol shower nozzle or high-pressure water nozzle, and atomised form is fan-shaped or cylinder.
Wherein, annular chain structure is connected with the top of the top cover, the top of the hollow hanging is by aiding in hanger to connect
In the annular chain structure；The quantity of the hollow hanging is 8-60 pieces, and the hollow hanging is arranged in parallel.
Wherein, the brush configuration includes swipe and is arranged at the end of the lateral surface of the close hollow hanging of the swipe
The hard hair brush in portion, the hard hair brush extrude the lateral surface of the hollow hanging.
Wherein, the height of the swipe is 0.5-2cm, thickness 0.3-0.5cm；The length of the hard hair brush is 0.5-
1cm。
Wherein, several described brush configurations are commonly connected to a brush, and the drive device includes connecting shaft, the connection
One end of axle is connected to the brush, and the other end of the connecting shaft is connected with handle after passing through the top cover.
Wherein, the handle is connected with motor, and the motor is connected with timer, the timer and described
Motor is all connected with controller；Upper limit level sensor, the bottom of the hollow hanging are provided with the top of the hollow hanging
Lower limit level sensor is provided with, the upper limit level sensor and the lower limit level sensor are all connected with the controller.
Wherein, the top cover offers service ports, and hanger is provided with the outside of the column body, and the bottom of the hanger is set
It is equipped with resilient support.
The beneficial effects of the utility model are：
Trap of the present utility model for para-Phthalonitrile production line, the gaseous mixture for being trapped needs by air inlet pipe
Its interior is passed through, is sprayed using the shower nozzle of the cooling effect of trap, the cooling effect of hollow hanging and shower
The common cooperation of a small amount of water smoke, reduce the temperature of gaseous mixture so that gaseous para-Phthalonitrile is in cylinder inboard wall and sky in gas
Sublimate into the para-Phthalonitrile of solid-state on the lateral surface of heart hanging plate, the para-Phthalonitrile of solid-state under gravity with vibrator
Under vibration, the bottom of lower cone is fallen to；In the process, the trap also passes through the lateral surface of brush configuration extruded hollow hanging plate
And in the presence of drive device along the short transverse of hollow hanging be close to its lateral surface move up and down, so as in time from
Dynamic, thorough scrubbing brush falls through the para-Phthalonitrile of heart hanging plate lateral surface solid-state so that the para-Phthalonitrile of solid-state in time, fully with
Hollow hanging separates, and recovers the cooling capacity of hollow hanging in time, ensures the capacity gauge of hollow hanging, can so realize double
Ensure again, realize automatically continuously stable discharging, improve trapping yield, wastewater flow rate caused by reduction, effectively reduce volume.
Brief description of the drawings
Fig. 1 is the main structure diagram of trap of the present utility model；
Fig. 2 is the side structure schematic view of trap of the present utility model；
Fig. 3 is close-up schematic view of the trap at I in Fig. 2；
Fig. 4 is the overlooking the structure diagram of trap of the present utility model.
In figure：1- cylinders；2- hollow hangings；3- annular chain structures；4- aids in hanger；5- drive devices；6- showers；7-
Brush；8- air inlet pipe；9- escape pipes；10- service ports；11- hangers；12- is flexibly supported；13- spiral chucks；14- crushing materials
Device；15- device for transporting objects；16- chucks；17- vibrators；
101- column bodies；102- lower cones；
201- conduits；
501- handles；502- connecting shafts；
701- swipes；702- hard hair brushs.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
Embodiment 1
As shown in Figures 1 to 4, a kind of trap for para-Phthalonitrile production line that the present embodiment provides, including inside
Cylinder 1 hollow and with refrigerating function, cylinder 1 include column body 101 and the lower cone 102 being vertically connected with.
Wherein, the cross section of the column body 101 of the cylinder 1 of the trap can be circular, oval or polygon, thus
Its column body 101 can be cylindrical or prismatic.
Wherein, the width of column body 101 is 1400-10000mm, and the height of column body 101 is 3000-10000mm, wall thickness
For 10-30mm；When column body 101 is cylindrical, its width refers to the diameter of cylinder；When column body 101 is prismatic,
Its width refers to maximum Outside Dimensions.Especially, in the present embodiment, column body 101 is cylindrical, cylindrical column body
101 a diameter of 1500mm, it is highly 3500mm, wall thickness 15mm.
Wherein, the cone angle of lower cone 102 is 30-120 °, and the wall thickness of lower cone 102 is 10-30mm.Especially, in this reality
Apply in example, the cone angle of lower cone 102 is 85 °, and the wall thickness of lower cone 102 is 15mm.
The material of the cylinder of trap is carbon steel, stainless steel, enamel or composite.Especially, in the present embodiment, catch
The material of the cylinder of storage is carbon steel.
Further, column body 101 is connected with air inlet pipe 8 and escape pipe 9, and air inlet pipe 8 is used to need the gaseous mixture trapped
Be passed through, and escape pipe 9 is then used for discharge to remaining gas after trapping.Air inlet pipe 8 and escape pipe 9 can be located at column body
101 upside, middle part, downside or top, air inlet pipe 8 and escape pipe 9 can be located at the same side or opposite side of column body 101；
Especially, in order that the gaseous mixture that must enter inside column body 101 has time enough to prepare solid matter, air inlet for cooling
The distance between pipe 8 and escape pipe 9 are as far as possible remote, and therefore, air inlet pipe 8 and escape pipe 9 are arranged at opposite side；Meanwhile the He of air inlet pipe 8
Escape pipe 9 may be contained within the upside of column body 101, thus gaseous mixture enters its internal process afterwards from the side of column body 101
The horizontal space of column body 101 is discharged from escape pipe 9 again, so as to better profit from the space of diverse location, for making
The para-Phthalonitrile of standby solid-state, is more favorable to sublimating and discharging for gas.
Further, the top cover of column body 101 is connected with several showers 6, and the bottom of shower 6 is placed in column body
101 inside are simultaneously provided with shower nozzle, wherein, shower nozzle be air-water mixed aerosol shower nozzle or high-pressure water nozzle, atomised form for sector or
Cylinder.Preferably, in the present embodiment, for the shower nozzle used for air-water mixed aerosol shower nozzle, atomised form is sector, is sprayed
A diameter of 70mm of pipe, the spacing between two showers is 110mm.
Further, if the interior parallel of column body 101 is placed with dry plate and has the hollow hanging 2 of refrigerating function, especially
Ground, top cover top are connected with annular chain structure 3, and the top of hollow hanging 2 is by aiding in hanger 4 to be connected to annular chain structure 3；It is empty
The quantity of heart hanging plate 2 is 8-60 pieces, and hollow hanging 2 is rectangular shape, and multi-disc hollow hanging 2 is arranged in parallel.Especially, at this
In embodiment, the quantity of hollow hanging 2 is 8, is divided to two rows to discharge, and often arranges 4, is arranged at intervals, leaves enough between any two
Space is used for sublimating for the para-Phthalonitrile of solid-state.
Further, the outer sheath of column body 101 is provided with spiral chuck 13, and the outer sheath of lower cone 102 is provided with chuck 16, spiral shell
Be connected with cooling medium inside rotation chuck 13, chuck 16 and hollow hanging 2, cooling medium be conduction oil, steam, air or
Water.In the present embodiment, realize that cylinder 1 is overall by spiral chuck 13 and chuck 16 to cool, for sublimating for gaseous mixture
Create enough temperature conditionss；Meanwhile 2 further internal volume of hollow hanging cools, it is further provided more sufficient
Space of sublimating.Especially, spiral chuck 13, chuck 16 are connected by conduit 201 with the inside of hollow hanging 2, thus can be with
Realization is disposably passed through cooling medium so that operation is more convenient.
Yet further, the lateral surface of each hollow hanging 2 is surrounded with extruding the brush configuration of its lateral surface, and brush configuration connects
The drive device 5 that the lateral surface that being connected to can drive it along hollow hanging 2 moves up and down.Wherein, brush configuration includes the He of swipe 701
The hard hair brush 702 of the end of the lateral surface of the close hollow hanging 2 of swipe 701 is arranged at, the extruded hollow of hard hair brush 702 is hung
The lateral surface of plate 2.Preferably, the height of swipe 701 is 0.5-2cm, thickness 0.3-0.5cm；The length of hard hair brush 702 is
0.5-1cm.It is further preferred that the height of swipe 701 is 0.6cm, thickness 0.4cm；The length of hard hair brush 702 is
0.6cm。
By drive device 5 swipe 701 and hard hair brush 702 can be driven to move up and down together, so as to pass through hard hair
The extruding of brush 702 and the lateral surface of hollow hanging 2, brushes and is affixed on the solid-state para-Phthalonitrile that the lateral surface of hollow hanging 2 is sublimated,
Make its in time, thoroughly come off from the lateral surface of hollow hanging 2, be advantageous to continue keep hollow hanging 2 to gaseous state para-Phthalonitrile
Cooling sublimate trapping effect.
Specifically, several brush configurations are commonly connected to a brush 7, and drive device 5 includes connecting shaft 502, connecting shaft 502
One end be connected to brush 7, the other end of connecting shaft 502 is connected with handle 501 after passing through top cover.
Wherein, connecting shaft 502 can be fixedly connected or be detachably connected with brush 7, similarly, connecting shaft
502 with handle 501 can also be fixedly connected or be detachably connected；The length of connecting shaft 502 needs to meet following bar
Part：Plane where the lower edge of brush 7 and the lower end edge of hollow hanging 2 when the upper surface of top cover is close in the lower surface of handle 501
Plane overlaps where edge.
Preferably, handle 501 is square shape, and the bottom of connecting shaft 502 is fixedly connected with brush 7, connecting shaft 502
Top and handle 501 are be hinged.
Therefore, when carrying out brushing action, by pulling handle 501 along vertical it can be made to drive the edge of connecting shaft 502
Vertical motion, so as to which connecting shaft 502 drives multiple brush configurations to move up and down, is respectively completed the outside to different hollow hangings 2
The cleaning work in face, the action can be completed manually.According to actual production, typically dress is driven at interval of 20-25 minutes
Needs are put to start once, and the lower limit of brush configuration motion is the lower edge of hollow hanging 2, upper limit is hollow hanging 2
Upper end-face edge.
Further, the inner bottom part of lower cone 102 is provided with device for transporting objects 15, and the bottom of hollow hanging 2 conveys with material
Material-pulverizing device 14 is provided between device 15, the outside of cylinder 1 is provided with vibrator 17.
Wherein, material-pulverizing device is equipped with the frequency converter of regulation rotating speed, and material-pulverizing device 14 is used for pair for crushing solid-state
Benzene dicarbonitrile, to prevent from building bridge, the solid material after crushing delivers to next workshop section by device for transporting objects 15, specifically,
Device for transporting objects 15 is single-screw conveyer, DWG, embedded scraper transporter, pipeline chain conveyor, belt conveyor
Or Blowing stopper.
Outer wall, top and/or the cone bottom outside of cylinder 1 are provided with 4-20 vibrator, and vibrator can be vibrating motor,
Shake 2~60 times, vibrate 5~30 seconds every time per hour.In the present embodiment, it is relative on the lateral wall of lower cone to be provided with 4 vibrations
Device 17, shake per hour 8 times, every time vibration 8 seconds.
Further, top cover offers service ports 10, is easy to periodic inspection and cleaning.Preferably, the quantity of service ports is 2
It is individual.
Further, the outside of column body 101 is provided with hanger 11, and the bottom of hanger 11 is provided with resilient support 12, energy
It is enough conveniently trap is fixed on floor.
The purpose of this utility model is exactly to be trapped to provide a kind of reduce the defects of overcoming above-mentioned prior art to exist
The volume of device, realize that trap automatically continuously stablizes discharging, improve trapping yield, reduce being used for for wastewater flow rate caused by trap
The trap of para-Phthalonitrile production line.
The trap, the gaseous mixture for needing to trap is passed through by its interior by air inlet pipe 8, utilizes the cooling of cylinder 1
The common cooperation for a small amount of water smoke that the shower nozzle of effect, the cooling effect of hollow hanging 2 and shower 6 sprays, reduce gaseous mixture
Temperature so that gaseous para-Phthalonitrile sublimates into pair of solid-state on the lateral surface of cylinder inboard wall and hollow hanging in gas
Benzene dicarbonitrile.
The para-Phthalonitrile of solid-state with the vibration of vibrator, falls to the bottom of lower cone under gravity；This is caught
Storage is also by the lateral surface of brush configuration extruded hollow hanging plate and in the presence of drive device along the height side of hollow hanging
Moved up and down to its lateral surface is close to, the terephthaldehyde that the solid-state of the lateral surface of hollow hanging is fallen so as to timely automated scrubbing brush
Nitrile so that the para-Phthalonitrile of solid-state is timely, is fully separated with hollow hanging, persistently keeps the cooling capacity of hollow hanging,
Ensure the cold-trap ability of hollow hanging, can so realize dual guarantee, will be trapped outside cylinder inboard wall and hollow hanging
Solid-state para-Phthalonitrile realize separation with cylinder and hollow hanging in time, by the pulverization of material-pulverizing device by its
Crush, by device for transporting objects realization automatically continuously stable discharging, improve and trap yield, wastewater flow rate caused by reduction, effectively
Reduce trap volume.
Embodiment 2
Difference from Example 1 is, in the present embodiment, the handle 501 of drive device and the action of connecting shaft 502
Realized automatically by other devices, it is not necessary to manual operation, can greatly mitigate manpower, improve efficiency.
Specifically, handle 501 is connected with motor, and motor is connected with timer, and timer and motor are equal
Connect controller；The top of hollow hanging 2 is provided with upper limit level sensor, and the bottom of hollow hanging 2 is provided with lower limit sensing
Device, upper limit level sensor and lower limit level sensor are all connected with controller.
Especially, timer is preset with interval time, such as 20-25 minutes, if timer timing time reaches default
After the time, controller is sent a signal to, is acted controlling motor by controller, motor passes through the band of handle 501
Dynamic connecting shaft 502 is vertically moved, and then drives brush and brush configuration vertically to move together；When brush configuration moves to hollow extension
During the lower edge of plate 2, lower limit level sensor sends a signal to controller, controller control motor reversion, motor
Driving handle, connecting shaft, brush and brush configuration are moved with opposite direction, when brush configuration moves to the upper end-face edge of hollow hanging 2,
Upper limit level sensor sends a signal to controller, and controller control motor stopping action, controller control timer is again
Start counting up, when timer count is completed, repeat above-mentioned action, brushed action next time.So repeat so that hollow
The solid-state para-Phthalonitrile that the surface of hanging plate 2 is sublimated in time, can be separated completely with hollow hanging 2, keep hollow hanging 2 to trap
The ability of para-Phthalonitrile.
Compared with prior art, trap of the present utility model, its volume is relatively small, and shower water is used less, so as to reduce
Wastewater flow rate caused by trap, again can in time, completely realize point of the solid-state para-Phthalonitrile trapped and hollow hanging
From, the ability of hollow hanging trapping para-Phthalonitrile is kept, thus it is greatly enhanced arresting efficiency and yield.
Technical principle of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the limitation to scope of protection of the utility model can not be construed in any way.Based on explanation herein,
Those skilled in the art, which would not require any inventive effort, can associate other embodiments of the present utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (10)
1. a kind of trap for para-Phthalonitrile production line, it is characterised in that including inner hollow and there is refrigerating function
Cylinder, the cylinder includes the column body that is vertically connected with and lower cone, the column body are connected with air inlet pipe and escape pipe, institute
If the interior parallel for stating column body, which is placed with dry plate, has the hollow hanging of refrigerating function, the lateral surface of each hollow hanging
It is surrounded with extruding the brush configuration of its lateral surface, the brush configuration, which is connected with, can drive its lateral surface along the hollow hanging
The drive device of up and down motion, the top cover of the column body are connected with several showers, and the bottom of the shower is placed in institute
State inside column body and shower nozzle is installed, the lower cone inner bottom part is provided with device for transporting objects, the hollow hanging bottom
Material-pulverizing device is provided between the device for transporting objects, vibrator is provided with the outside of the cylinder.
2. trap according to claim 1, it is characterised in that the column body outer sheath is provided with spiral chuck, described
Lower cone outer sheath is provided with chuck, and cooling medium is connected with inside the spiral chuck, the chuck and the hollow hanging,
The cooling medium is conduction oil, steam, air or water.
3. trap according to claim 1, it is characterised in that the width of the column body is 1400-10000mm, institute
The height for stating column body is 3000-10000mm；The cone angle of the lower cone is 30-120 °, and the wall thickness of the lower cone is 10-
30mm。
4. trap according to claim 1, it is characterised in that the shower nozzle is air-water mixed aerosol shower nozzle or high pressure
Sprinkler head, atomised form are fan-shaped or cylinder.
5. trap according to claim 1, it is characterised in that annular chain structure is connected with the top of the top cover, it is described
The top of hollow hanging is by aiding in hanger to be connected to the annular chain structure；The quantity of the hollow hanging is 8-60 pieces, institute
It is arranged in parallel to state hollow hanging.
6. trap according to claim 1, it is characterised in that the brush configuration includes swipe and is arranged at the swipe
The close hollow hanging lateral surface end hard hair brush, the hard hair brush extrudes the outside of the hollow hanging
Face.
7. trap according to claim 6, it is characterised in that the height of the swipe is 0.5-2cm, thickness 0.3-
0.5cm；The length of the hard hair brush is 0.5-1cm.
8. trap according to claim 1, it is characterised in that several described brush configurations are commonly connected to a brush,
The drive device includes connecting shaft, and one end of the connecting shaft is connected to the brush, and the other end of the connecting shaft passes through
Handle is connected with after the top cover.
9. trap according to claim 8, it is characterised in that the handle is connected with motor, the driving electricity
Machine is connected with timer, and the timer and the motor are all connected with controller；It is provided with the top of the hollow hanging
Upper limit level sensor, the bottom of the hollow hanging are provided with lower limit level sensor, the upper limit level sensor and the lower limit
Level sensor is all connected with the controller.
10. according to the trap described in claim any one of 1-9, it is characterised in that the top cover offers service ports, described
Hanger is provided with the outside of column body, the bottom of the hanger is provided with resilient support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720054474.3U CN206746024U (en) | 2017-01-17 | 2017-01-17 | A kind of trap for para-Phthalonitrile production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720054474.3U CN206746024U (en) | 2017-01-17 | 2017-01-17 | A kind of trap for para-Phthalonitrile production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206746024U true CN206746024U (en) | 2017-12-15 |
Family
ID=60607233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720054474.3U Active CN206746024U (en) | 2017-01-17 | 2017-01-17 | A kind of trap for para-Phthalonitrile production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206746024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870988A (en) * | 2020-07-17 | 2020-11-03 | 江苏新河农用化工有限公司 | Trapping method and trapping system for tetrachloroisophthalonitrile reaction gas |
-
2017
- 2017-01-17 CN CN201720054474.3U patent/CN206746024U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870988A (en) * | 2020-07-17 | 2020-11-03 | 江苏新河农用化工有限公司 | Trapping method and trapping system for tetrachloroisophthalonitrile reaction gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207270987U (en) | A kind of wet scrubber | |
| CN204313612U (en) | A kind of drying device for industrial chemicals and medicine | |
| CN106490210A (en) | A kind of tea fresh leaves serialization cleaning and dewatering equipment | |
| CN206746024U (en) | A kind of trap for para-Phthalonitrile production line | |
| CN205586600U (en) | A trap for a benzene dicarbonitrile production line | |
| CN207592343U (en) | A kind of steel ball cleaner | |
| CN113634006B (en) | Food freezing and concentrating device | |
| CN108739516B (en) | Based on high protein food casing health regulation and control mechanical equipment | |
| CN108579302B (en) | Energy-concerving and environment-protective dust collector | |
| CN108310795A (en) | A kind of trap for para-Phthalonitrile production line | |
| CN107866428A (en) | A kind of chemical industry scraper glass cleaning machine | |
| CN206424616U (en) | A kind of trap for isophthalodinitrile production line | |
| CN211739935U (en) | Air cooler sprays heat transfer mechanism | |
| CN206949411U (en) | A kind of tea fresh leaves serialization cleaning and dewatering equipment | |
| CN205266910U (en) | Circulation inflatable fruit type cleaning machine | |
| CN219110845U (en) | Ceramic spray drying tower with self-cleaning function | |
| CN109261671B (en) | Rotating disc type can bottle inverted quick circulation cleaning device with external cleaning function | |
| CN209204690U (en) | A kind of dextran iron material spray drying device | |
| CN208413096U (en) | Material conveyor belt cleaning device | |
| WO2017016409A1 (en) | Filtration device and filtration method | |
| CN215962175U (en) | Spray drying tower convenient to collect material | |
| CN210787329U (en) | High-speed dispersion reaction kettle with automatic spray cleaning device | |
| CN108325226B (en) | Drying tower | |
| CN208757181U (en) | A kind of spray column | |
| CN205052718U (en) | Spray drying system of milk power processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |