CN107099832A - New-energy automobile car body coating production line - Google Patents
New-energy automobile car body coating production line Download PDFInfo
- Publication number
- CN107099832A CN107099832A CN201710444620.8A CN201710444620A CN107099832A CN 107099832 A CN107099832 A CN 107099832A CN 201710444620 A CN201710444620 A CN 201710444620A CN 107099832 A CN107099832 A CN 107099832A
- Authority
- CN
- China
- Prior art keywords
- drying unit
- electrophoresis
- production line
- energy automobile
- new
- 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.)
- Pending
Links
- 239000011248 coating agent Substances 0.000 title claims abstract description 44
- 238000000576 coating method Methods 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 44
- 238000001035 drying Methods 0.000 claims abstract description 139
- 238000001962 electrophoresis Methods 0.000 claims abstract description 107
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000003756 stirring Methods 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000012163 sequencing technique Methods 0.000 claims abstract description 5
- 239000003973 paint Substances 0.000 claims description 29
- 238000000108 ultra-filtration Methods 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 15
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 13
- 239000010962 carbon steel Substances 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 9
- 210000005056 cell body Anatomy 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 6
- 239000011152 fibreglass Substances 0.000 claims description 5
- 238000010926 purge Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000010422 painting Methods 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000009972 noncorrosive effect Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 230000009182 swimming Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 9
- 230000006872 improvement Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 239000000567 combustion gas Substances 0.000 description 4
- 238000011045 prefiltration Methods 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 241001347978 Major minor Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 210000000952 spleen Anatomy 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/12—Electrophoretic coating characterised by the process characterised by the article coated
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/22—Servicing or operating apparatus or multistep processes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of new-energy automobile car body coating production line, new-energy automobile car body coating production line includes body of a motor car electrophoretic apparatus, electrophoresis drying unit, putty drying unit, face applies drying unit, the vertical chain conveying device in ground and electric control system, body of a motor car electrophoretic apparatus includes the electrophoresis tank set according to technique sequencing, UF1 grooves and pure water rinsing bowl, each groove is provided with the circulatory system, the circulatory system includes circulating pump, valve, circulating pump feed pipe, circulating pump discharge nozzle and the multiple stirring pipes for being arranged on each vallecular cavity bottom, stirring pipe is connected with circulating pump discharge nozzle and sets multiple mixed flow nozzles, body of a motor car can be all immersed in each groove when carrying out electrophoretic process, the chain of the vertical chain conveying device in ground can pull body of a motor car through electrophoresis drying unit, putty drying unit and face apply the inner chamber of drying unit.New-energy automobile car body coating production line of the present invention, can greatly prolong the service life of body of a motor car.
Description
Technical field
The present invention relates to a kind of new-energy automobile car body coating production line, belong to spraying equipment technical field.
Background technology
In the processing and manufacturing of body of a motor car, electrophoresis, spraying and the drying of body of a motor car are extremely important step, automobile
Electrophoresis, spraying and the drying of vehicle body are also critically important salvo, can greatly prolong the service life of body of a motor car, it is ensured that
The use reliability of body of a motor car for a long time.But there is body of a motor car surfaces externally and internally electrophoresis not in current Car Body Painting production line
Uniformly, electrophoresis quality is not good, the halfway phenomenon of spraying drying, causes body of a motor car poor quality, service life is not long.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of new-energy automobile car body coating production line, it is possible to achieve automobile
Vehicle body surfaces externally and internally electrophoresis is uniform, and electrophoresis quality is good, and spraying drying is thorough, can greatly prolong the use longevity of body of a motor car
Life.
In order to solve the above technical problems, the new-energy automobile car body coating production line of the present invention, the new-energy automobile car
Body paint line includes body of a motor car electrophoretic apparatus, electrophoresis drying unit, putty drying unit, face painting drying unit, ground
Vertical chain conveying device and electric control system, the body of a motor car electrophoretic apparatus include the electricity set according to technique sequencing
Swim groove, UF1 grooves and pure water rinsing bowl, each groove is provided with the circulatory system, the circulatory system include circulating pump, valve,
Circulating pump feed pipe, circulating pump discharge nozzle and the multiple stirring pipes for being arranged on each vallecular cavity bottom, the stirring pipe are pumped out with circulation
Expects pipe is connected and sets multiple mixed flow nozzles, and the body of a motor car can be all immersed in each groove when carrying out electrophoretic process,
The chain of the vertical chain conveying device in the ground can pull body of a motor car through electrophoresis drying unit, putty drying unit and
Face applies the inner chamber of drying unit.
As the improvement of the present invention, the electrophoresis tank includes electrophoresis major trough and the auxiliary groove of electrophoresis, and the auxiliary groove of electrophoresis goes out located at workpiece
Mouthful end, the interior chamber size of electrophoresis major trough is：Long by 5.00 × wide by 2.80 × high 2.60m, the interior chamber size of the auxiliary groove of electrophoresis is：Long 0.60
× wide by 2.80 × high 1.50m, electrophoresis tank is welded by 5mm carbon steel sheets, and 6mm fiberglass is coated with carbon steel cell body inwall,
Tank liquor suction inlet, which is arranged in the bottom of the auxiliary groove of electrophoresis, the circulatory system of electrophoresis tank, sets filter, and electrophoresis tank sets liquid level control
System processed.
As the improvement of the present invention, the interior chamber size of the UF1 grooves and pure water rinsing bowl is：Long by 4.80 × wide by 2.60 ×
High 2.60m, UF1 groove and pure water rinsing bowl are welded by 4mm carbon steel sheets, and 3mm glass is coated with carbon steel cell body inwall
The tank liquor suction inlet of steel, UF1 grooves and pure water rinsing bowl is arranged in the top of cell body, the circulatory system of UF1 grooves and is provided with filtering
Bucket.
As the improvement of the present invention, the electrophoresis tank is provided with the ultrafiltration system for reclaiming Electrophoretic Paints and Electrophoretic Paints is entered
The heat-exchange system of row cooling, the ultrafiltration system includes prefilter, roll-to-roll ultrafiltration device, ultrafilter purging system, ultrafiltrate storage
Groove, shaft seal pump, ultrafiltration liquid pump, pipeline and valve are deposited, ultrafiltration feed pipe is connected with circulating pump discharge nozzle, roll-to-roll ultrafiltration device is reclaimed
Electrophoretic Paints be pipelined to the top of the auxiliary groove of electrophoresis, ultrafiltrate made from roll-to-roll ultrafiltration device is sent to ultrafiltrate storage
The ultrafiltrate that ultrafiltrate in groove, ultrafiltrate accumulator tank is gone in circulating pump axle envelope, ultrafiltrate accumulator tank by shaft seal pump all the way is another
UF1 groove hydro-peenings are gone by ultrafiltrate pump all the way；The heat-exchange system includes heat exchanger, cold water circulation pump, cold water pipeline, cold water
Unit, temperature controller, 7~10 DEG C of the cold water that Electrophoretic Paints are produced using handpiece Water Chilling Units are cooled down by heat exchanger.
As the improvement of the present invention, the electrophoresis major trough is provided with six stirring pipes being evenly arranged, and the odd number is stirred
Mix pipe and be provided with six mixed flow nozzles being evenly arranged, the stirring pipe of the even numbers is provided with seven mixed flow being evenly arranged sprays
Adjacent mixed flow nozzle in mouth, the adjacent stirring pipe is misplaced arrangement, and the direction of the mixed flow nozzle is sucked with the tank liquor
The position of mouth is opposite.
As the improvement of the present invention, the UF1 grooves and pure water rinsing bowl are provided with five stirring pipes being evenly arranged, described
Each stirring pipe of UF1 grooves and pure water rinsing bowl is provided with four mixed flow nozzles being evenly arranged, the adjacent stirring pipe
Adjacent mixed flow nozzle misplaces arrangement, the adjacent mixed flow nozzle offset 300mm distances in adjacent stirring pipe, the mixed flow spray
The direction of mouth is opposite with the position of the tank liquor suction inlet；The circulating pump is stainless steel noncorrosive pump, and pump inlet is set
Screen pack, the valve of the circulatory system is stainless valve, and the circulating pump feed pipe, circulating pump discharge nozzle and stirring pipe are
Stainless steel pipes, the mixed flow nozzle of stirring pipe is hard PVC nozzle, and each groove sets drain valve；UF1 grooves and the pure water washing
It is provided with the top of the long side both sides of groove on sparge pipe, the sparge pipe and is evenly arranged with 10 nozzles, sparge pipe is stainless steel
Pipe, nozzle is to be provided with V-arrangement spray orifice on hard PVC nozzle, the nozzle, and sparge pipe is connected with circulating pump discharge nozzle.
As the improvement of the present invention, the electrophoresis drying unit includes drying chamber, imports and exports bridge section, sends wind pipeline, bottom back to
Framework, gas-operated thermal bath facility, exhaust emission device and automatic temperature control system, the electrophoresis drying unit use the heat of gas heating
Wind circulative convection drying mode, the electrophoresis drying unit is full bridge case structure, and the inner chamber of the electrophoresis drying unit is
Yi word pattern passage, the cavity length of electrophoresis drying unit is 28m, and lumen width is 2.70m, and cavity heights are 3.0m, drying chamber
Cavity length be 16m, gas-operated thermal bath facility is placed in drying chamber bottom, and gas-operated thermal bath facility is quaternary body.
As the improvement of the present invention, the putty drying unit, which includes drying chamber, send wind pipeline, bottom framework, combustion gas back to adds
Thermal, exhaust emission device and automatic temperature control system, the putty drying unit use the hot air circulation convection current of gas heating
Drying mode, the putty drying unit is straight-through structure, and stove end structure form is wind curtain type, the inner chamber of putty drying unit
Length is 15m, and lumen width is 2.70m, and cavity heights are 3.0m, and gas-operated thermal bath facility is placed in drying chamber top platform, combustion
Gas heater is triplet.
As the improvement of the present invention, the face, which applies drying unit, to be included drying chamber, sends wind pipeline, bottom framework, combustion gas back to and add
Thermal and automatic temperature control system, the face apply the hot air circulation convection stoving mode that drying unit uses gas heating, described
It is straight-through structure that face, which applies drying unit, and stove end structure form is wind curtain type, and the cavity length that face applies drying unit is 30m, interior
Chamber width is 2.70m, and cavity heights are 3.0m, and gas-operated thermal bath facility is placed in drying chamber top platform, and gas-operated thermal bath facility is
Quaternary body.
As the improvement of the present invention, the inner panel that the electrophoresis drying unit, putty drying unit and face apply drying unit is equal
For thickness 1.5mm galvanized sheet, inner panel constitutes hermetically sealed internal structure, and outside plate is thickness 0.6mm die mould galvanized sheets, and electrophoresis dries
The outside that equipment for drying, putty drying unit and face apply drying unit coats heat-insulation layer, and insulation layer thickness is 150mm, heat-insulation layer
Material is 120kg/m3High-quality rock cotton board, assembled seam crossing using high-temperature plastic seal.
The new-energy automobile car body coating production line of the present invention, the new-energy automobile car body coating production line includes automobile
Car body electrophoretic device, electrophoresis drying unit, putty drying unit, face apply drying unit, the vertical chain conveying device in ground and electrically
Control system, the electrophoresis tank, UF1 grooves and pure water that the body of a motor car electrophoretic apparatus includes setting according to technique sequencing is washed
Groove, each groove is provided with the circulatory system, and the circulatory system is pumped out including circulating pump, valve, circulating pump feed pipe, circulation
Expects pipe and the multiple stirring pipes for being arranged on each vallecular cavity bottom, the stirring pipe are connected with circulating pump discharge nozzle and set multiple mixed
Flow nozzle, the body of a motor car can be all immersed in each groove when carrying out electrophoretic process, the vertical chain conveying device in the ground
Chain can pull the inner chamber that body of a motor car applies drying unit through electrophoresis drying unit, putty drying unit and face, can
To realize that body of a motor car surfaces externally and internally electrophoresis is uniform, electrophoresis quality is good, and spraying drying is thorough, can greatly prolong body of a motor car
Service life.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the body of a motor car electrophoretic apparatus top view of new-energy automobile car body coating production line of the present invention.
Fig. 2 is the positive schematic diagram of body of a motor car electrophoretic apparatus of new-energy automobile car body coating production line of the present invention.
Fig. 3 is the electrophoresis tank top view of the body of a motor car electrophoretic apparatus of new-energy automobile car body coating production line of the present invention.
Fig. 4 illustrates for the electrophoresis tank forward direction of the body of a motor car electrophoretic apparatus of new-energy automobile car body coating production line of the present invention
Figure.
Fig. 5 is the electrophoresis tank ultrafiltration system of the body of a motor car electrophoretic apparatus of new-energy automobile car body coating production line of the present invention
Schematic diagram.
Fig. 6 is the electrophoresis tank heat-exchange system of the body of a motor car electrophoretic apparatus of new-energy automobile car body coating production line of the present invention
Schematic diagram.
Fig. 7 is the UF1 groove top views of the body of a motor car electrophoretic apparatus of new-energy automobile car body coating production line of the present invention.
Fig. 8 illustrates for the UF1 grooves forward direction of the body of a motor car electrophoretic apparatus of new-energy automobile car body coating production line of the present invention
Figure.
Fig. 9 overlooks for the pure water rinsing bowl of the body of a motor car electrophoretic apparatus of new-energy automobile car body coating production line of the present invention
Figure.
Figure 10 for new-energy automobile car body coating production line of the present invention body of a motor car electrophoretic apparatus pure water rinsing bowl just
To schematic diagram.
Figure 11 is the positive schematic diagram of electrophoresis drying unit of new-energy automobile car body coating production line of the present invention.
Figure 12 is the electrophoresis drying unit top view of new-energy automobile car body coating production line of the present invention.
Figure 13 is the drying chamber sectional view of the electrophoresis drying unit of new-energy automobile car body coating production line of the present invention.
Figure 14 is the positive schematic diagram of putty drying unit of new-energy automobile car body coating production line of the present invention.
Figure 15 is the putty drying unit top view of new-energy automobile car body coating production line of the present invention.
Figure 16 is the drying chamber sectional view of the putty drying unit of new-energy automobile car body coating production line of the present invention.
Figure 17 applies the positive schematic diagram of drying unit for the face of new-energy automobile car body coating production line of the present invention.
Figure 18 applies drying unit top view for the face of new-energy automobile car body coating production line of the present invention.
Figure 19 applies the drying chamber sectional view of drying unit for the face of new-energy automobile car body coating production line of the present invention.
Embodiment
As shown in Fig. 1 to Figure 19, new-energy automobile car body coating production line, the new-energy automobile car body coating production line
Drying unit 41, the vertical chain in ground are applied including body of a motor car electrophoretic apparatus, electrophoresis drying unit 30, putty drying unit 36, face
Conveying device and electric control system, the body of a motor car electrophoretic apparatus include according to technique sequencing set electrophoresis tank 1,
UF1 grooves 2 and pure water rinsing bowl 3, each groove are provided with the circulatory system 4, the circulatory system 4 include circulating pump 5, valve 6,
Circulating pump feed pipe 7, circulating pump discharge nozzle 8 and the multiple stirring pipes 9 for being arranged on each vallecular cavity bottom, the stirring pipe 9 and circulation
Pump out expects pipe 8 to be connected and set multiple mixed flow nozzles 10, the body of a motor car can be all immersed in when carrying out electrophoretic process
In each groove, the chain of the vertical chain conveying device in the ground can pull body of a motor car through electrophoresis drying unit 30, putty
Drying unit 36 and face apply the inner chamber of drying unit 41.
The circulating pump 5 is stainless steel noncorrosive pump, and the import of circulating pump 5 sets screen pack, the valve of the circulatory system 4
6 be stainless valve, and the circulating pump feed pipe 7, circulating pump discharge nozzle 8 and stirring pipe 9 are stainless steel pipes, stirring pipe 9
Mixed flow nozzle 10 is hard PVC nozzle, and each trench bottom sets drain valve.
As shown in Figures 3 to 6, the electrophoresis tank 1 includes electrophoresis major trough 11 and the auxiliary groove 12 of electrophoresis, and the auxiliary groove 12 of electrophoresis is located at work
The part port of export, the interior chamber size of electrophoresis major trough 11 is：Long by 5.00 × wide by 2.80 × high 2.60m, the interior chamber size of the auxiliary groove 12 of electrophoresis
For：Long by 0.60 × wide by 2.80 × high 1.50m, electrophoresis tank 1 is welded by 5mm carbon steel sheets, and 6mm is coated with carbon steel cell body inwall
Fiberglass, tank liquor suction inlet 13 is arranged on the bottom of the auxiliary groove 12 of electrophoresis, and electrophoresis tank 1 sets tank level control system.The electrophoresis
Major trough 11 is provided with six stirring pipes being evenly arranged 9, and the stirring pipe 9 of the odd number is provided with six mixed flow being evenly arranged sprays
Mouth 10, the stirring pipe 9 of the even numbers is provided with adjacent in seven mixed flow nozzles being evenly arranged 10, the adjacent stirring pipe 9
Mixed flow nozzle 10 misplaces arrangement, and the direction of the mixed flow nozzle 10 is opposite with the position of the tank liquor suction inlet 13.Electrophoresis tank 1
The circulatory system 4 in filter 14 is set, the bottom of electrophoresis major trough 11 sets drain valve 15.The electrophoresis tank 1 is provided with back
The ultrafiltration system of Electrophoretic Paints is received, the ultrafiltration system includes prefilter 16, roll-to-roll ultrafiltration device 17, ultrafilter purging system
18th, ultrafiltrate accumulator tank 19, shaft seal pump 20, ultrafiltration liquid pump 21, pipeline and valve.Ultrafiltration feed pipe and the phase of circulating pump discharge nozzle 8
Connection, the Electrophoretic Paints that roll-to-roll ultrafiltration device 17 is reclaimed are pipelined to the top of the auxiliary groove 12 of electrophoresis, and roll-to-roll ultrafiltration device 17 is made
The ultrafiltrate obtained is sent to ultrafiltrate accumulator tank 19.Ultrafiltrate in ultrafiltrate accumulator tank 19 removes circulating pump by shaft seal pump 20 all the way
The hydro-peening of UF1 grooves 2 is removed in another road of ultrafiltrate in 5 axle envelopes, ultrafiltrate accumulator tank 19 by ultrafiltration liquid pump 21.Ultrafilter purging system
18 are arranged on before prefilter 16.The electrophoresis tank 1 is provided with the heat-exchange system cooled down to Electrophoretic Paints, described to change
Hot systems include heat exchanger 22, cold water circulation pump 23, cold water pipeline 24, handpiece Water Chilling Units 25, temperature controller and (not shown in figure
Go out), 7~10 DEG C of the cold water that Electrophoretic Paints are produced using handpiece Water Chilling Units 25 is cooled down by heat exchanger 22, heat exchanger
22 are arranged between ultrafilter purging system 18 and prefilter 16.Cold water after the heat absorption of heat exchanger 22 is in handpiece Water Chilling Units 25
In exchanged heat with the recirculated water in cooling tower 26.
As shown in Figure 7 to 10, the interior chamber size of the UF1 grooves 2 and pure water rinsing bowl 3 is：It is long by 4.80 × wide by 2.60
× high 2.60m, UF1 grooves 2 and pure water rinsing bowl 3 are welded by 4mm carbon steel sheets, are coated with 3mm's in carbon steel cell body inwall
The tank liquor suction inlet 13 of fiberglass, UF1 grooves 2 and pure water rinsing bowl 3 is arranged in the top of cell body, the circulatory system of UF1 grooves and set
It is equipped with filter vat 29.The UF1 grooves 2 and pure water rinsing bowl 3 are provided with five stirring pipes being evenly arranged 9, the He of UF1 grooves 2
Each stirring pipe 9 of pure water rinsing bowl 3 is provided with the phase in four mixed flow nozzles being evenly arranged 10, the adjacent stirring pipe 9
Adjacent mixed flow nozzle 10 misplaces arrangement, the offset 300mm distances of adjacent mixed flow nozzle 10 in adjacent stirring pipe 9, described mixed
The direction of flow nozzle 10 is opposite with the position of the tank liquor suction inlet 13.The long side both sides of the UF1 grooves 2 and pure water rinsing bowl 3
Top be provided with sparge pipe 27, the sparge pipe 27 and be provided with multiple nozzles 28, sparge pipe 27 is stainless steel tube, nozzle 28
For hard PVC nozzle.It is evenly arranged with the sparge pipe 27 on 10 nozzles 28, the nozzle 28 and is provided with V-arrangement spray orifice, hydrojet
Pipe 27 is connected with circulating pump discharge nozzle 8.
As shown in Figure 11 to Figure 13, the electrophoresis drying unit 30 include drying chamber 31, import and export bridge section 32,33, send back to
Wind pipeline, bottom framework, gas-operated thermal bath facility 34, exhaust emission device 35 and automatic temperature control system, the electrophoresis drying unit 30
Using the hot air circulation convection stoving mode of gas heating, the electrophoresis drying unit 30 is full bridge case structure, the electricity
The inner chamber of swimming drying unit 30 is yi word pattern passage, and the cavity length of electrophoresis drying unit is 28m, and lumen width is 2.70m, interior
Chamber is highly 3.0m, and the cavity length of drying chamber 31 is 16m, and gas-operated thermal bath facility 34 is placed in the bottom of drying chamber 31, and combustion gas adds
Thermal 34 is quaternary body.During drying, body of a motor car is placed on the dolly of ground, the chain of the vertical chain conveying device in ground
Drawing ground dolly makes body of a motor car through the inner chamber of electrophoresis drying unit 30.Body of a motor car maximum appearance and size for it is long by 4200 ×
Wide by 1800 × high 1700mm.Body of a motor car maximum weight is 350kg, (ground dolly maximum weight is 300kg).Conveying machinery class
Type is vertical chain, and workpiece pitch is 5.2m, and productive temp 15min/ platforms convey speed of service 0.5m/min, drying time
30min, empty stove heating-up time 60min, Heating style natural gas, drying temperature is 160-180 DEG C, the kcal/ of heating power 400,000
H, air circulation 35000m3/h。
As shown in Figure 14 to Figure 16, the putty drying unit 36 includes drying chamber 37, sends wind pipeline, bottom framework, combustion back to
Gas heater 38, exhaust emission device 39 and automatic temperature control system, the putty drying unit 36 use the heat of gas heating
Wind circulative convection drying mode, the putty drying unit 36 is straight-through structure, and the form of stove end structure 40 is wind curtain type, putty
The cavity length of drying unit 36 is 15m, and lumen width is 2.70m, and cavity heights are 3.0m, and gas-operated thermal bath facility 38 is placed in
The top platform of drying chamber 37, gas-operated thermal bath facility 38 is triplet.During drying, body of a motor car is placed on the dolly of ground, ground
The chain drawing ground dolly of vertical chain conveying device makes body of a motor car through the inner chamber of putty drying unit 36.Automobile
Body maximum appearance and size is long by 4200 × wide by 1800 × high 1700mm.Body of a motor car maximum weight is 350kg, and (ground dolly is most
Big weight is 300kg).Conveying machinery type is vertical chain, and workpiece pitch is 5.2m, productive temp 15min/ platforms, conveying operation
Speed 0.5m/min, drying time 15-20min, empty stove heating-up time 60min, Heating style natural gas, drying temperature is 120-
140 DEG C, heating power 300,000 kcal/h, air circulation 20000m3/h。
As shown in Figures 17 to 19, the face applies drying unit 41 and includes drying chamber 42, sends wind pipeline, bottom framework, combustion back to
Gas heater 43 and automatic temperature control system, the face apply hot air circulation convection stoving side of the drying unit 41 using gas heating
Formula, it is straight-through structure that the face, which applies drying unit 41, and the form of stove end structure 44 is wind curtain type, and face applies the inner chamber of drying unit 41
Length is 30m, and lumen width is 2.70m, and cavity heights are 3.0m, and gas-operated thermal bath facility 43 is placed in the top horizontal of drying chamber 42
Platform, gas-operated thermal bath facility 43 is quaternary body.During drying, body of a motor car is placed on the dolly of ground, the vertical chain conveying device in ground
Chain drawing ground dolly make body of a motor car through face apply drying unit 41 inner chamber.Body of a motor car maximum appearance and size
For long by 4200 × wide by 1800 × high 1700mm.Body of a motor car maximum weight is 350kg, (ground dolly maximum weight is 300kg).
Conveying machinery type is vertical chain, and workpiece pitch is 5.2m, and productive temp 15min/ platforms convey speed of service 0.8m/min, dried
Dry time 30min, the empty stove heating-up time is 60min, and Heating style natural gas, drying temperature is 140-160 DEG C, heating power 40
Ten thousand kcal/h, air circulation 35000m3/h。
The inner panel that the electrophoresis drying unit 30, putty drying unit 36 and face apply drying unit 41 is thickness 1.5mm
Galvanized sheet, inner panel constitutes hermetically sealed internal structure, and outside plate is thickness 0.6mm die mould galvanized sheets, electrophoresis drying unit 30, greasy
The outside that sub- drying unit 36 and face apply drying unit 41 coats heat-insulation layer, and insulation layer thickness is 150mm, and heat-insulation layer material is
120kg/m3High-quality rock cotton board, assembled seam crossing using high-temperature plastic seal.
Body of a motor car maximum appearance and size is long by 4200 × wide by 1800 × high 1700mm.Electrophoresis tank is by 5mm carbon steel plate welds
Form, groove inner surface applies glass fibre reinforced plastic insulating preservative treatment, the insulating barrier dry film 20000V of resistance to DC voltage.Electrophoresis uses ability cathode electrophoresis
Technique, Electrophoretic Paints are the epoxy resin cathode electrodip painting of bi-component.Paint liquid circulation stirring system keeps tank liquor uniformly to mix, no
Precipitation, to ensure the stability of Electrophoretic Paints.Tank liquor is passed through filter, remove particle dust and greasy dirt in tank liquor.Filtering
Device is bag filter, using RB-2AL bag filters, and filter housings are stainless steel.Electric current and circulation in electrophoresis process
The heat of the generations such as pump mechanical movement can raise temperature of paint liquid, for ensure electrophoresis quality, Electrophoretic Paints temperature automatic control,
Configuration heat-exchange system is cooled down to paint liquid, and 7~12 DEG C of cold water are supplied provided with handpiece Water Chilling Units, and tank liquor temperature control is set in technique
In the range of constant temperature degree ± 1 DEG C, keep tank liquor temperature uniform, heat exchanger area is 12m2.Exclude and be electrolysed in electrophoresis process in time
The gas of generation.The auxiliary groove of electrophoresis is located at the workpiece port of export, the foam and dust flowed into access electrophoresis rooved face, and has froth breaking
Function.Adjustable downflow weir is set between major-minor groove, with adjustment tank liquid level and surface flow state.Electrophoresis tank bottom corner is streamlined to be set
Meter, to avoid liquid stream dead angle.Electrophoresis tank sets Liquid level alarm.Paint liquid cycle-index is about 3-4 times/h, and liquid level flow velocity >=
0.2m/s, close to trench bottom tank liquor flow velocity >=0.4m/s, circulating line flow velocity must ＞ 0.4m/s (2~3.5m/s of optimum flow rate).
Pump flow：Meet cycle-index requirement, lift：30m, quantity 2, one is used using double mechanical seal centrifugal pump of horizontal axis, one
It is standby.Using ultrafiltration system to reclaim electrophoretic coating；Control the electrical conductivity of electrophoresis tank and the content of foreign ion.
UF cleanings are configured after electrophoresis, with the utilization rate for reclaiming paint liquid, improving coating；Wash the floating paint of workpiece surface, disappear
Except secondary sagging, improve and improve the surface quality of film.To ensure that last washing together uses pure water after cleaning quality, electrophoresis
Wash.Cleaning uses adverse current water supply cleaning way, using water wisely reduction energy consumption after electrophoresis, and reduces discharge of wastewater.Each groove is all provided with row
Put valve, so as to cleaning when, each tank liquor of emptying.Make electrophoretic paint transfer groove using pure water rinsing bowl.Electrophoretic paint transfer groove mainly for
Electrophoresis tank overhauls, safeguards that the when of falling groove uses, and inside sets circulation stirring system.2 two technology grooves are washed in cleaning part by UF1, pure water afterwards
Body, circulating pump, bag filter, pipeline, valve, nozzle etc. are constituted.Bag filter is RB-2AL stainless steel filters.
Gland seal system includes shaft seal pump, pipe valve, pressure gauge spinner flowmeter etc..Predominantly electrophoresis circulating pump, ultrafiltration
Paint feeding pump, UF circulating pumps provide ultrafiltration axle envelope liquid.Shaft seal pump configures for double pump, a preparation and a use, with each paint liquid and UF1 liquid circulating pumps
Chain control.Pole liquid system is configured, anode is enclosed in the cover of flushable pole, circulated by pole liquid by anode assembly with pole film,
Organic acid is constantly produced to electrophoresis middle-jiao yang, function of the spleen and stomach polar region to remove in time, it is to avoid organic acid enters paint liquid and causes paint liquid pH value to decline, with true
Protect paint liquid stability, throwing power and film quality.Anode fluid circulation by tubular anode cover, pole liquid circulation line, circulating pump,
Pole liquid bath, conductivity meter, PH controllers etc. are constituted.Anode is made using SUS316L stainless steel materials.Using rational pole pipe
Annode area, it is ensured that anode and cathode area ratio is 4 in groove:1~6:1.All pipeline connection and reasonable arrangements, pipe-line system lowest part sets emptying
Liquid in valve, energy emptying pipeline completely.
It should be noted that embodiment is only the explanation and illustration to technical solution of the present invention, should not be by it
The restriction to technical solution of the present invention is interpreted as, it is any that local change is only made using the substantive content of the invention of the present invention, should
Fall within the scope of protection of the present invention.
Claims (10)
1. a kind of new-energy automobile car body coating production line, it is characterised in that：The new-energy automobile car body coating production line bag
Include body of a motor car electrophoretic apparatus, electrophoresis drying unit, putty drying unit, face painting drying unit, the vertical chain conveying device in ground
And electric control system, the body of a motor car electrophoretic apparatus includes electrophoresis tank, the UF1 grooves and pure set according to technique sequencing
Water rinsing bowl, each groove is provided with the circulatory system, and the circulatory system includes circulating pump, valve, circulating pump feed pipe, followed
Ring pumps out expects pipe and is arranged on multiple stirring pipes of each vallecular cavity bottom, and the stirring pipe is connected and set with circulating pump discharge nozzle
Multiple mixed flow nozzles, the body of a motor car can be all immersed in each groove when carrying out electrophoretic process, and the vertical chain in the ground is defeated
Send the chain of device to pull body of a motor car and apply the interior of drying unit through electrophoresis drying unit, putty drying unit and face
Chamber.
2. new-energy automobile car body coating production line according to claim 1, it is characterised in that：The electrophoresis tank includes electricity
Swimming major trough and the auxiliary groove of electrophoresis, the auxiliary groove of electrophoresis are located at the workpiece port of export, and the interior chamber size of electrophoresis major trough is：Long by 5.00 × wide by 2.80 ×
High 2.60m, the interior chamber size of the auxiliary groove of electrophoresis is：Long by 0.60 × wide by 2.80 × high 1.50m, electrophoresis tank is by 5mm carbon steels plate weld
Into being coated with 6mm fiberglass in carbon steel cell body inwall, tank liquor suction inlet is arranged on the bottom of the auxiliary groove of electrophoresis, electrophoresis tank is followed
Filter is set in loop system, and electrophoresis tank sets tank level control system.
3. new-energy automobile car body coating production line according to claim 1, it is characterised in that：The UF1 grooves and pure water
The interior chamber size of rinsing bowl is：Long by 4.80 × wide by 2.60 × high 2.60m, UF1 grooves and pure water rinsing bowl are welded by 4mm carbon steel sheets
Connect and form, 3mm fiberglass is coated with carbon steel cell body inwall, the tank liquor suction inlet of UF1 grooves and pure water rinsing bowl is arranged on groove
Filter vat is provided with the top of body, the circulatory system of UF1 grooves.
4. new-energy automobile car body coating production line according to claim 2, it is characterised in that：The electrophoresis tank is provided with
The heat-exchange system for reclaiming the ultrafiltration system of Electrophoretic Paints and being cooled down to Electrophoretic Paints, the ultrafiltration system includes pre-filtering
Device, roll-to-roll ultrafiltration device, ultrafilter purging system, ultrafiltrate accumulator tank, shaft seal pump, ultrafiltration liquid pump, pipeline and valve, ultrafiltration charging
Pipe is connected with circulating pump discharge nozzle, and the Electrophoretic Paints that roll-to-roll ultrafiltration device is reclaimed are pipelined to the top of the auxiliary groove of electrophoresis,
The ultrafiltrate that ultrafiltrate made from roll-to-roll ultrafiltration device is sent in ultrafiltrate accumulator tank, ultrafiltrate accumulator tank is gone by shaft seal pump all the way
UF1 groove hydro-peenings are removed in another road of ultrafiltrate in circulating pump axle envelope, ultrafiltrate accumulator tank by ultrafiltration liquid pump；The heat-exchange system bag
Heat exchanger, cold water circulation pump, cold water pipeline, handpiece Water Chilling Units, temperature controller are included, Electrophoretic Paints are produced using handpiece Water Chilling Units
7~10 DEG C of cold water is cooled down by heat exchanger.
5. new-energy automobile car body coating production line according to claim 2, it is characterised in that：The electrophoresis major trough is set
There are six stirring pipes being evenly arranged, the stirring pipe of the odd number is provided with six mixed flow nozzles being evenly arranged, the even numbers
The adjacent mixed flow nozzle that is provided with seven mixed flow nozzles being evenly arranged, the adjacent stirring pipe of stirring pipe misplace cloth
Put, the direction of the mixed flow nozzle is opposite with the position of the tank liquor suction inlet.
6. new-energy automobile car body coating production line according to claim 1, it is characterised in that：The UF1 grooves and pure water
Rinsing bowl is provided with five stirring pipes being evenly arranged, and each stirring pipe of the UF1 grooves and pure water rinsing bowl is provided with four
Adjacent mixed flow nozzle in the mixed flow nozzle being evenly arranged, the adjacent stirring pipe misplaces arrangement, the phase in adjacent stirring pipe
Adjacent mixed flow nozzle offset 300mm distances, the direction of the mixed flow nozzle is opposite with the position of the tank liquor suction inlet；It is described
Circulating pump is stainless steel noncorrosive pump, and pump inlet sets screen pack, and the valve of the circulatory system is stainless valve, institute
Circulating pump feed pipe, circulating pump discharge nozzle and stirring pipe are stated for stainless steel pipes, the mixed flow nozzle of stirring pipe is hard PVC nozzle,
Each groove sets drain valve；Sparge pipe, the hydrojet are provided with the top of the long side both sides of the UF1 grooves and pure water rinsing bowl
10 nozzles are evenly arranged with pipe, sparge pipe is stainless steel tube, and nozzle is that V-arrangement spray is provided with hard PVC nozzle, the nozzle
Hole, sparge pipe is connected with circulating pump discharge nozzle.
7. new-energy automobile car body coating production line according to claim 1, it is characterised in that：The electrophoresis drying unit
Including drying chamber, import and export bridge section, send wind pipeline, bottom framework, gas-operated thermal bath facility, exhaust emission device and temperature automatically controlled system back to
System, the electrophoresis drying unit uses the hot air circulation convection stoving mode of gas heating, and the electrophoresis drying unit is full-bridge
Frame case structure, the inner chamber of the electrophoresis drying unit is yi word pattern passage, and the cavity length of electrophoresis drying unit is 28m, interior
Chamber width is 2.70m, and cavity heights are 3.0m, and the cavity length of drying chamber is 16m, and gas-operated thermal bath facility is placed in drying chamber bottom
Portion, gas-operated thermal bath facility is quaternary body.
8. new-energy automobile car body coating production line according to claim 1, it is characterised in that：The putty drying unit
Including drying chamber, send wind pipeline, bottom framework, gas-operated thermal bath facility, exhaust emission device and automatic temperature control system, the putty back to
Drying unit uses the hot air circulation convection stoving mode of gas heating, and the putty drying unit is straight-through structure, stove end
Structure type is wind curtain type, and the cavity length of putty drying unit is 15m, and lumen width is 2.70m, and cavity heights are 3.0m,
Gas-operated thermal bath facility is placed in drying chamber top platform, and gas-operated thermal bath facility is triplet.
9. new-energy automobile car body coating production line according to claim 1, it is characterised in that：The face applies drying unit
Including drying chamber, send wind pipeline, bottom framework, gas-operated thermal bath facility and automatic temperature control system back to, the face applies drying unit and used
The hot air circulation convection stoving mode of gas heating, it is straight-through structure that the face, which applies drying unit, and stove end structure form is wind
Curtain formula, the cavity length that face applies drying unit is 30m, and lumen width is 2.70m, and cavity heights are 3.0m, gas-operated thermal bath facility
Drying chamber top platform is placed in, gas-operated thermal bath facility is quaternary body.
10. new-energy automobile car body coating production line according to claim 1, it is characterised in that：The electrophoresis drying dress
Put, putty drying unit and face apply drying unit inner panel be thickness 1.5mm galvanized sheet, inner panel constitutes hermetically sealed internal junction
Structure, outside plate is thickness 0.6mm die mould galvanized sheets, and electrophoresis drying unit, putty drying unit and face apply the outside of drying unit
Heat-insulation layer is coated, insulation layer thickness is 150mm, and heat-insulation layer material is 120kg/m3High-quality rock cotton board, assembled seam crossing adopts
Sealed with high-temperature plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710444620.8A CN107099832A (en) | 2017-06-13 | 2017-06-13 | New-energy automobile car body coating production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710444620.8A CN107099832A (en) | 2017-06-13 | 2017-06-13 | New-energy automobile car body coating production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107099832A true CN107099832A (en) | 2017-08-29 |
Family
ID=59660168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710444620.8A Pending CN107099832A (en) | 2017-06-13 | 2017-06-13 | New-energy automobile car body coating production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107099832A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107866349A (en) * | 2017-11-18 | 2018-04-03 | 江苏长虹智能装备集团有限公司 | A kind of automobile coating production line |
| CN109107965A (en) * | 2018-09-27 | 2019-01-01 | 浙江明泉工业装备科技有限公司 | A kind of mighty torrent flushed channel |
| CN112853433A (en) * | 2021-03-03 | 2021-05-28 | 浙江合众新能源汽车有限公司 | Bottom spraying device of automobile coating electrophoresis tank |
| CN113981505A (en) * | 2021-10-15 | 2022-01-28 | 安徽柳溪智能装备有限公司 | Multicolor electrophoresis coating device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492817A (en) * | 2009-02-27 | 2009-07-29 | 章�宁 | Phosphorization automatization process and apparatus for anti-theft door |
| CN102127792A (en) * | 2011-04-22 | 2011-07-20 | 长沙金源汽车冲压件有限公司 | Electrophoresis energy-saving device and energy-saving method thereof |
| CN103949380A (en) * | 2014-04-25 | 2014-07-30 | 重庆同乘工程咨询设计有限责任公司 | Implementation method for mixed routing production of different types of vehicles in vehicle coating line |
| CN103962270A (en) * | 2014-04-14 | 2014-08-06 | 湖北三江船艇科技有限公司 | Motorboat coating production line |
| CN106283157A (en) * | 2015-05-19 | 2017-01-04 | 林立红 | The method and system processed for surface of the work |
| CN106555218A (en) * | 2016-12-05 | 2017-04-05 | 安徽江淮汽车集团股份有限公司 | A kind of painting dressing automobiles electrophoresis circulating pump axle envelope and spray hybrid system |
-
2017
- 2017-06-13 CN CN201710444620.8A patent/CN107099832A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492817A (en) * | 2009-02-27 | 2009-07-29 | 章�宁 | Phosphorization automatization process and apparatus for anti-theft door |
| CN102127792A (en) * | 2011-04-22 | 2011-07-20 | 长沙金源汽车冲压件有限公司 | Electrophoresis energy-saving device and energy-saving method thereof |
| CN103962270A (en) * | 2014-04-14 | 2014-08-06 | 湖北三江船艇科技有限公司 | Motorboat coating production line |
| CN103949380A (en) * | 2014-04-25 | 2014-07-30 | 重庆同乘工程咨询设计有限责任公司 | Implementation method for mixed routing production of different types of vehicles in vehicle coating line |
| CN106283157A (en) * | 2015-05-19 | 2017-01-04 | 林立红 | The method and system processed for surface of the work |
| CN106555218A (en) * | 2016-12-05 | 2017-04-05 | 安徽江淮汽车集团股份有限公司 | A kind of painting dressing automobiles electrophoresis circulating pump axle envelope and spray hybrid system |
Non-Patent Citations (1)
| Title |
|---|
| 周银玲: "电泳涂装线设计要求" * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107866349A (en) * | 2017-11-18 | 2018-04-03 | 江苏长虹智能装备集团有限公司 | A kind of automobile coating production line |
| CN109107965A (en) * | 2018-09-27 | 2019-01-01 | 浙江明泉工业装备科技有限公司 | A kind of mighty torrent flushed channel |
| CN112853433A (en) * | 2021-03-03 | 2021-05-28 | 浙江合众新能源汽车有限公司 | Bottom spraying device of automobile coating electrophoresis tank |
| CN113981505A (en) * | 2021-10-15 | 2022-01-28 | 安徽柳溪智能装备有限公司 | Multicolor electrophoresis coating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107099832A (en) | New-energy automobile car body coating production line | |
| CN207244031U (en) | A kind of new-energy automobile car body electrophoretic device | |
| CN107090591A (en) | New-energy automobile car body electrophoretic device | |
| CN213295535U (en) | Electrophoresis tank for automobile electrophoresis coating | |
| CN207244029U (en) | A kind of new-energy automobile car body coating production line | |
| CN206970729U (en) | A kind of electrophoresis tank of new-energy automobile car body electrophoretic device | |
| CN107164798A (en) | The electrophoresis tank of new-energy automobile car body electrophoretic device | |
| CN107326423B (en) | New-energy automobile car body coating production method | |
| CN110371962B (en) | Preparation facilities of graphite alkene film | |
| CN108707950B (en) | A all-round electrophoresis application device for automobile shell production | |
| CN206328466U (en) | A kind of workpiece plated film pretreatment cleaning line | |
| CN207024024U (en) | A kind of water-saving domestic bowl-washing | |
| CN206642612U (en) | A kind of match system processed of eye drops | |
| CN209779004U (en) | Alkaline direct electrolytic cell and electrolysis production line applying same | |
| CN206986290U (en) | Copper sulfate electrolyte cooling device | |
| CN108033444A (en) | Chemical subtraction method and its equipment of the graphene film in transfer | |
| CN209630884U (en) | A kind of cleaning dust cooling tower | |
| CN210533127U (en) | Domestic wastewater waste heat utilization device | |
| CN207347667U (en) | A kind of circulating electrolysis unit | |
| CN205962683U (en) | Food thawing pond | |
| CN221086541U (en) | Medicinal material and turnover case self-cleaning production line thereof | |
| CN206027408U (en) | Novel purifying column | |
| CN117563302B (en) | Production suction filtration equipment of metallurgical wastewater treatment medicament | |
| CN216845746U (en) | Glass fiber reinforced plastic circular cooling tower with waste heat recovery structure | |
| CN204854459U (en) | Receive basin self - cleaning's frame -type cooling tower |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170829 |
|
| RJ01 | Rejection of invention patent application after publication |