CN114917635A - Glass fiber impregnating compound backflow filtering device and circulating coating system - Google Patents
Glass fiber impregnating compound backflow filtering device and circulating coating system Download PDFInfo
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- CN114917635A CN114917635A CN202210123892.9A CN202210123892A CN114917635A CN 114917635 A CN114917635 A CN 114917635A CN 202210123892 A CN202210123892 A CN 202210123892A CN 114917635 A CN114917635 A CN 114917635A
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- backflow
- impregnating compound
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- filter
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 61
- 238000001914 filtration Methods 0.000 title claims abstract description 50
- 239000011248 coating agent Substances 0.000 title claims abstract description 41
- 238000000576 coating method Methods 0.000 title claims abstract description 41
- 239000003365 glass fiber Substances 0.000 title claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 63
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 238000004513 sizing Methods 0.000 claims description 27
- 239000003795 chemical substances by application Substances 0.000 claims description 25
- 238000003860 storage Methods 0.000 claims description 9
- 238000004064 recycling Methods 0.000 claims description 7
- 230000001502 supplementing effect Effects 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims 1
- 239000013589 supplement Substances 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 12
- 230000007547 defect Effects 0.000 abstract description 2
- 239000000080 wetting agent Substances 0.000 description 9
- 238000007654 immersion Methods 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coating Apparatus (AREA)
Abstract
The invention provides a glass fiber impregnating compound backflow filtering device and a circulating coating system, wherein the filtering device comprises a support positioned outside a circulating tank and a filter fixed on the support and used for filtering the impregnating compound, the support is provided with a liquid inlet hole used for receiving the impregnating compound conveyed by a coating device and a backflow hole used for conveying the impregnating compound back into the circulating tank, in the flowing direction of the impregnating compound, the liquid inlet hole is positioned at the upstream of the filter, and the backflow hole is positioned at the downstream of the filter. The glass fiber impregnating compound backflow filtering device and the circulating coating system provided by the invention can overcome the defects that impurities exist in the existing impregnating compound to influence the impregnating compound dosage and the circulating system of the impregnating compound needs to be frequently cleaned.
Description
Technical Field
The invention relates to the field of glass fiber production, in particular to a glass fiber impregnating compound backflow filtering device and a circulating coating system.
Background
In the production process of the glass fiber, a layer of surface treating agent, namely an impregnating compound, needs to be coated on the surface of the glass fiber, the impregnating compound forms a film on the surface of the glass fiber, the fiber is endowed with good reprocessing performance, and a friendly contact interface is established on the surface of the fiber with resin. Coating the sizing agent needs to be carried out through a matched coating system, sizing oil is coated, and impurities such as precipitates, glass broken ends, glass wool yarns, sizing agent precipitates and the like exist in the residual sizing agent during coating, so that the following consequences can be caused after the sizing agent is continuously used: 1. the impurities enter the diaphragm pump, the pressure of the diaphragm pump is reduced, and the amount of the impregnating compound entering an oiling box of the coating device is reduced, so that the coating is influenced; 2. after the impurities are increased, the devices through which the impregnating compound flows need to be frequently cleaned, so that the production efficiency is reduced, and the labor cost is increased.
Disclosure of Invention
The invention provides a glass fiber impregnating compound backflow filtering device which can overcome the defects that impurities exist in the existing impregnating compound to influence the impregnating compound dosage and the circulating system of the impregnating compound needs to be cleaned frequently.
The glass fiber impregnating compound backflow filtering device comprises a support located outside a circulating tank and a filter fixed on the support and used for filtering the impregnating compound, wherein the support is provided with a liquid inlet hole used for receiving the impregnating compound conveyed by a coating device and a backflow hole used for conveying the impregnating compound back into the circulating tank, the liquid inlet hole is located on the upstream of the filter in the flowing direction of the impregnating compound, and the backflow hole is located on the downstream of the filter.
Preferably, the support is located above the top wall of the circulation tank and fixed to the outer side face of the top wall of the circulation tank, the support comprises a back plate and a guard plate assembly located on one side of the back plate and used for preventing the impregnating compound from splashing around, and the filter is located in a space defined by the back plate and the guard plate.
Preferably, the filter comprises a support plate, two connecting plates and a filter screen which jointly form a V-shaped groove, wherein the support plate and the filter screen form two side walls of the V-shaped groove, the two connecting plates respectively form end walls of two ends of the V-shaped groove, the length direction of the V-shaped groove is horizontal, an opening of the V-shaped groove faces upwards to receive the impregnating compound, and one side of the support plate is fixed with the back plate. The back plate is vertical to the horizontal plane, and the included angle between the filter screen and the back plate is preferably 30-70 degrees. The back plate is provided with a plurality of filters which are arranged up and down.
Preferably, the liquid inlet hole is communicated with the coating device through a liquid inlet pipe, the liquid inlet pipe comprises a main pipe connected with the circulation tank and a plurality of branch pipes communicated with the main pipe, the back plate is provided with a plurality of liquid inlet holes, the plurality of liquid inlet holes are positioned above the opening of the filter, and the plurality of branch pipes are fixed with the plurality of liquid inlet holes in a one-to-one correspondence manner.
Preferably, the support further comprises a bottom plate, the back plate, the bottom plate and the guard plate assembly enclose a backflow groove, the bottom plate is provided with the backflow hole, the filtering device further comprises a backflow pipe, one end of the backflow pipe penetrates through the backflow hole and extends into the circulation tank, and the other end of the backflow pipe is fixedly connected with the backflow hole. The guard plate assembly comprises a first guard plate and a second guard plate, the first guard plate is opposite to one end of the filter, the second guard plate is opposite to the other end of the filter, the first guard plate and the second guard plate respectively comprise a vertical portion and a bent portion bent from the vertical portion, the bending direction of the bent portion of the first guard plate is opposite to that of the bent portion of the first guard plate, the guard plate assembly further comprises a third guard plate, the third guard plate is opposite to the back plate, one side of the third guard plate is connected with the bottom plate, and two ends of the third guard plate are respectively connected with the bent portion of the first guard plate and the bent portion of the second guard plate.
Preferably, the back plate is provided with a first connecting piece, and the support plate of the filter is provided with a second connecting piece detachably connected with the first connecting piece. The first connecting piece is provided with a clamping groove with an upward opening, and the second connecting piece is provided with a clamping protrusion capable of extending into the clamping groove.
The invention also provides a glass fiber impregnating compound circulating coating system which comprises a circulating tank, a coating device and a filtering device, wherein the circulating tank is connected with the coating device through a liquid outlet pipe, the coating device is connected with the filtering device through a recycling pipe, the filtering device is the filtering device, and the recycling pipe is the liquid inlet pipe.
Preferably, the glass fiber impregnating compound circulating coating system further comprises a liquid storage tank or a circulating pipe, the liquid storage tank or the circulating pipe is communicated with the circulating tank through a liquid supplementing pipe, a floating ball switch is arranged in the circulating tank, and when the liquid level of the impregnating solution in the circulating tank drops to a set height, the floating ball switch is opened to enable the impregnating solution in the liquid storage tank or the circulating pipe to be supplemented into the circulating tank through the liquid supplementing pipe.
Compared with the prior art, the glass fiber impregnating compound backflow filtering device and the circulating coating system have the following beneficial effects:
1. the glass fiber sizing agent backflow filtering device pumps the sizing agent out of the circulating tank through the pump, the glass fiber sizing agent backflow filtering device is sent to the filter outside the circulating tank, the glass fiber sizing agent backflow filtering device performs filtering outside the tank, filtered impurities are left on the filter, the filtered sizing agent is returned into the circulating tank to be circulated after the impurities are removed, adverse effects on infiltration are avoided, and meanwhile, the filter is located outside the circulating tank, when the filter needs to be cleaned and replaced to be disassembled, the impurities cannot enter the circulating tank to cause secondary pollution on the sizing agent.
2. The circulating tank of the glass fiber impregnating compound circulating coating system is provided with the float switch, and when the liquid level of the impregnating compound in the circulating tank drops to a set height, the float switch is opened to make the impregnating compound in the liquid storage tank or the circulating pipe be replenished into the circulating tank through the liquid replenishing pipe, so that the automatic liquid replenishing of the impregnating compound is realized.
Drawings
Fig. 1 is a schematic structural diagram of a glass fiber sizing agent reflux filter device and a circulation tank according to an embodiment of the invention.
Fig. 2 is a schematic structural diagram of a bracket of a glass fiber sizing agent backflow filtering device according to an embodiment of the present invention.
Fig. 3 is an enlarged schematic structural view of a filter of a glass fiber sizing agent backflow filtering device according to an embodiment of the present invention.
Fig. 4 is an enlarged structural schematic view of a clamping groove and a clamping protrusion of a glass fiber sizing agent reflux filter device according to an embodiment of the invention.
FIG. 5 is a schematic view of a glass fiber sizing circulation coating system according to an embodiment of the present invention.
Reference numerals
1, a back plate 11, a liquid inlet hole 111, a first connecting piece 112, a 1121 clamping groove, a bottom plate 12, a reflux hole 121, a reflux groove 13, a first protection plate 14, a vertical part 141, a bent part 142, a second protection plate 15, a vertical part 151, a bent part 152 and a third protection plate 16;
2, a filter, 21 a support plate, 22 a connecting plate, 23 a filter screen, 24 openings, 25 a second connecting piece and 251 a clamping protrusion;
3 a return pipe;
4, a circulating tank;
5, a liquid inlet pipe;
6, a liquid outlet pipe;
7 a circulation pipe;
8 liquid replenishing pipes.
Detailed Description
The invention provides a glass fiber impregnating compound backflow filtering device, which is used for recycling residual impregnating compound which is not absorbed by glass fibers after the glass fibers are impregnated in a coating device, as shown in figure 1, the glass fiber impregnating compound backflow filtering device of the embodiment comprises a support 1 positioned outside a circulating tank 4 and a filter 2 fixed on the support 1 and used for filtering the impregnating compound, wherein the support 1 is provided with a liquid inlet hole 111 for receiving the impregnating compound conveyed by the coating device and a backflow hole 121 for conveying the impregnating compound back into the circulating tank, in the flowing direction of the impregnating compound, the liquid inlet hole is positioned at the upstream of the filter 2, and the backflow hole 121 is positioned at the downstream of the filter 2. The circulating tank is also communicated with a large circulating system (not shown in the figure), and the impregnating compound in the large circulating system is sent into the circulating tank.
The glass fiber impregnating compound backflow filtering device receives the impregnating compound sent by the coating device and performs out-of-tank filtering on the impregnating compound, filtered impurities are left on the filter 2, the filtered impregnating compound is subjected to impurity removal and then flows back into the circulating tank 4 for circulation, adverse effects on the impregnating compound are avoided, and meanwhile, because the filter 2 is positioned outside the circulating tank 4, when the filter 2 needs to be cleaned and replaced for disassembly, the impurities cannot enter the circulating tank 4 to cause secondary pollution on the impregnating compound.
As shown in fig. 1, the support 1 is located above the top wall of the circulation tank 4 and fixed to the outer side surface of the top wall of the circulation tank 4, the support 1 includes a back plate 11 and a shield assembly located on one side of the back plate 11 for preventing the immersion agent from splashing around, and the filter 2 is located in a space surrounded by the back plate 11 and the shield. The back plate 11 and the cover plate assembly on the one hand form a protection for the filter 2, and on the other hand prevent the wetting agent from splashing outwards. The construction of the fender assembly will be described in detail below.
As shown in fig. 1 and 3, the filter 2 includes a support plate 21, two connection plates 22 and a filter 23, which together define a V-shaped groove, wherein the support plate 21 and the filter 23 form two side walls of the V-shaped groove, the two connection plates 22 respectively form end walls of two ends of the V-shaped groove, the length direction of the V-shaped groove is horizontal, an opening 24 of the V-shaped groove faces upwards to receive the wetting agent, and one side of the support plate 21 is fixed to the back plate 11. The wetting agent is received through the opening 24 of the V-shaped groove, in this embodiment, the opening 24 extends in the entire length direction of the V-shaped groove, and when the wetting agent passes through the filter screen 23, impurities are left on the filter screen 23, so that the wetting agent is purified. The back plate 11 is provided with a plurality of filters 2 arranged up and down. In this embodiment, three filters 2 are provided, the mesh sizes of the three filters 2 from top to bottom can be sequentially reduced, and the sizing agent is sequentially filtered by the three filters 2 from top to bottom, thereby realizing multi-stage filtration.
As shown in fig. 1, in this embodiment, the back plate is perpendicular to the horizontal plane, the support plate 21 is parallel to the back plate 11, the support plate 21 is fixed to the back plate 11, and an included angle between the filter screen 23 of the V-shaped groove and the support plate 21 is α, so that an angle of the included angle between the filter screen 23 and the back plate 11 is the same as α, preferably 30 to 70 °, and a height of a side of the filter screen 23 connected to the support plate 21 is lower than a height of a free side of the filter screen 23. Thus, the immersion liquid entering the filter 2 can be ensured to flow down through the filter screen 23, and partial immersion liquid is prevented from flowing down along the filter screen 23.
As shown in FIG. 5, the backflow filtering device further includes a liquid inlet pipe 5 for connecting the liquid inlet hole 111 with the coating device, so that the excess size coated with the glass fiber flows to the backflow filtering device, and the height of the coating device is not lower than the height of the liquid inlet hole 111 of the filtering device, and preferably is greater than the height of the liquid inlet hole 111. The coating device is communicated with the circulating tank 4 through a liquid outlet pipe 6, and the liquid outlet pipe 6 is provided with a circulating pump which pumps the impregnating solution out of the circulating tank 4 and sends the impregnating solution to the coating device. The arrows in fig. 5 indicate the flow direction of the wetting agent. The feed liquor pipe 5 include with the person in charge that circulation tank 4 is connected and a plurality of with the branch pipe of being responsible for the intercommunication, backplate 11 is equipped with a plurality of feed liquor holes 111, and a plurality of feed liquor holes 111 are located filter 2's opening 24's top, and a plurality of branch pipes are fixed with a plurality of feed liquor holes 111 one-to-one. In the present embodiment, the back plate 11 is provided with five liquid inlet holes 111, the liquid inlet pipe includes five branch pipes, and the five liquid inlet holes 111 are uniformly arranged in the length direction of the filter 2, so that the immersion liquid can uniformly enter the filter 2 for filtration.
As shown in fig. 2, the bracket 1 further includes a bottom plate 12, the back plate 11, the bottom plate 12 and the guard plate assembly define a backflow groove 13, the bottom plate 12 is provided with the backflow hole 121, the filter device further includes a backflow pipe 3, one end of the backflow pipe 3 penetrates through the backflow hole 121 and the top wall of the circulation tank 4 and extends into the circulation tank 4, and the other end of the backflow pipe is fixedly connected with the backflow hole 121. The sizing agent is collected in the return tank 13, and the sizing agent in the return tank 13 is introduced into the circulation tank 4 through the return pipe 3.
As shown in fig. 2, in the present embodiment, the guard plate assembly includes a first guard plate 14 opposite to one end of the filter 2, and a second guard plate 15 opposite to the other end of the filter 2, and each of the first guard plate 14 and the second guard plate 15 includes a vertical portion 141,151 and a bent portion 142,152 bent from the vertical portion 141,151, wherein the vertical portion 141,151 is perpendicular to a horizontal plane. The bending direction of the bent portion 141 of the first protector 14 is opposite to the bending direction of the bent portion 152 of the second protector 15, i.e., they are close to each other. The guard plate assembly further comprises a third guard plate 16, the third guard plate 16 is arranged opposite to the back plate 11, one side of the third guard plate 16 is connected with the bottom plate 12, and two ends of the third guard plate 16 are respectively connected with the bent part of the first guard plate 14 and the bent part of the second guard plate 15. The vertical parts 141 and 151 of the first guard plate 14 and the second guard plate 15 prevent the wetting agent from splashing outwards in the process of flowing down, the bent parts 142 and 152 of the first guard plate 14 and the second guard plate 15 guide the wetting agent adhered to the inner walls of the vertical parts 141 and 151 to flow into the return chute 13, and meanwhile, the bent parts 142 and 152 of the first guard plate 14 and the second guard plate 15 and the third guard plate 16 prevent the wetting agent falling on the bottom plate 12 from splashing.
As shown in fig. 2 and 3, the back plate 11 is provided with a first coupling member 112, and the support plate 21 of the filter 2 is provided with a second coupling member 25 detachably coupled to the first coupling member 112. As shown in fig. 4, the left drawing is a schematic structural view of the first connecting member 112, the first connecting member 112 is provided with a clamping groove 1121, the right drawing is a schematic structural view of the second connecting member 25, and the second connecting member 25 is provided with a clamping protrusion 251 which can extend into the clamping groove 1121. In this embodiment, the opening of the clamping groove 1211 faces upward, so that the clamping protrusion 251 extends into the clamping groove 1121 for clamping and fixing, and the clamping protrusion 251 can be stably clamped in the clamping groove 1121 under the action of the gravity of the filter. When the filter 2 needs to be disassembled, the locking protrusion 251 is separated from the locking groove 1121, and the locking protrusion 251 and the locking groove 1121 can support the disassembling operation to be repeated.
The invention also provides a glass fiber impregnating compound circulating coating system, which comprises a circulating tank 4, a coating device and a filtering device, wherein the circulating tank 4 is connected with the coating device through a liquid outlet pipe 6, the coating device is connected with the filtering device through a recycling pipe, the filtering device is the filtering device, and the recycling pipe is the liquid inlet pipe 5, as shown in fig. 5.
Preferably, the glass fiber sizing agent circulation coating system further comprises a liquid storage tank (not shown in the figure) or a circulation pipe 7. In this embodiment, as shown in fig. 5, the system for cyclically coating the glass fiber impregnating compound further includes a circulating pipe 7, the circulating pipe 7 is communicated with the circulating tank 4 through a liquid replenishing pipe 8, and a float switch (not shown) is disposed in the circulating tank 4, wherein the structure of the float switch is the prior art, which is not repeated herein. When the liquid level of the impregnating solution in the circulating tank 4 drops to a set height, the float switch is turned on to make the impregnating solution in the liquid storage tank or the circulating pipe 7 be replenished into the circulating tank 4 through the liquid replenishing pipe 8, so that the automatic liquid replenishing of the impregnating solution is realized.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents of the invention which are within the spirit and scope of the invention may occur to those skilled in the art to which the invention pertains.
Claims (12)
1. The glass fiber impregnating compound backflow filtering device is characterized by comprising a support located outside a circulating tank and a filter fixed on the support and used for filtering the impregnating compound, wherein the support is provided with a liquid inlet hole used for receiving the impregnating compound conveyed by a coating device and a backflow hole used for conveying the impregnating compound back into the circulating tank, the liquid inlet hole is located on the upstream of the filter in the flowing direction of the impregnating compound, and the backflow hole is located on the downstream of the filter.
2. The glass fiber impregnating compound backflow filtering device according to claim 1, wherein said support is located above the top wall of said circulation tank and fixed to the outer side surface of the top wall of said circulation tank, said support includes a back plate and a shield assembly located on one side of said back plate for preventing the impregnating compound from splashing around, and said filter is located in the space enclosed by the back plate and the shield.
3. The apparatus as claimed in claim 2, wherein the filter comprises a support plate, two connecting plates and a screen, which together form a V-shaped groove, wherein the support plate and the screen form two side walls of the V-shaped groove, the two connecting plates form end walls of two ends of the V-shaped groove, the length direction of the V-shaped groove is horizontal, the opening of the V-shaped groove faces upward to receive the sizing agent, and one side of the support plate is fixed to the back plate.
4. The glass fiber sizing agent return-flow filtering device according to claim 3, wherein said back plate is perpendicular to the horizontal plane, and the angle between said filtering net and said back plate is preferably 30-70 °.
5. The fiberglass sizing agent return flow filter assembly according to claim 3, wherein said backing plate is provided with a plurality of filters arranged one above the other.
6. The glass fiber impregnating compound backflow filtering device according to claim 2, wherein the liquid inlet holes are communicated with the coating device through liquid inlet pipes, each liquid inlet pipe comprises a main pipe connected with the circulation tank and a plurality of branch pipes communicated with the main pipe, the back plate is provided with a plurality of liquid inlet holes, the liquid inlet holes are located above the opening of the filter, and the branch pipes are fixed with the liquid inlet holes in a one-to-one correspondence manner.
7. The glass fiber impregnating compound backflow filtering device according to claim 4, wherein the bracket further comprises a bottom plate, the back plate, the bottom plate and the guard plate assembly define a backflow groove, the bottom plate is provided with the backflow hole, the filtering device further comprises a backflow pipe, one end of the backflow pipe penetrates through the backflow hole and extends into the circulation tank, and the other end of the backflow pipe is fixedly connected with the backflow hole.
8. The glass fiber impregnating compound backflow filtering device according to claim 7, wherein the guard plate assembly comprises a first guard plate opposite to one end of the filter, and a second guard plate opposite to the other end of the filter, the first guard plate and the second guard plate each comprise a vertical portion and a bent portion bent from the vertical portion, the bent portion of the first guard plate is bent in a direction opposite to that of the bent portion of the first guard plate, the guard plate assembly further comprises a third guard plate, the third guard plate is arranged opposite to the back plate, one side of the third guard plate is connected to the bottom plate, and two ends of the third guard plate are respectively connected to the bent portion of the first guard plate and the bent portion of the second guard plate.
9. The apparatus as claimed in claim 4, wherein the back plate is provided with a first connecting member, and the support plate of the filter is provided with a second connecting member detachably connected to the first connecting member.
10. The glass fiber sizing agent backflow filtering device as claimed in claim 8, wherein the first connecting piece is provided with a clamping groove with an upward opening, and the second connecting piece is provided with a clamping protrusion capable of extending into the clamping groove.
11. A glass fiber impregnating compound circulating coating system is characterized by comprising a circulating tank, a coating device and a filtering device, wherein the circulating tank is connected with the coating device through a liquid outlet pipe, the coating device is connected with the filtering device through a recycling pipe, the filtering device is the filtering device according to any one of claims 1-10, and the recycling pipe is the liquid inlet pipe.
12. The system for cyclically coating glass fibers with the sizing agent according to claim 11, further comprising a liquid storage tank or a circulating pipe, wherein the liquid storage tank or the circulating pipe is communicated with the circulating tank through a liquid supplementing pipe, a float switch is arranged in the circulating tank, and when the sizing solution in the circulating tank drops to a set height, the float switch is opened to supplement the sizing solution in the liquid storage tank or the circulating pipe into the circulating tank through the liquid supplementing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210123892.9A CN114917635A (en) | 2022-02-10 | 2022-02-10 | Glass fiber impregnating compound backflow filtering device and circulating coating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210123892.9A CN114917635A (en) | 2022-02-10 | 2022-02-10 | Glass fiber impregnating compound backflow filtering device and circulating coating system |
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| Publication Number | Publication Date |
|---|---|
| CN114917635A true CN114917635A (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210123892.9A Pending CN114917635A (en) | 2022-02-10 | 2022-02-10 | Glass fiber impregnating compound backflow filtering device and circulating coating system |
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| CN (1) | CN114917635A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090105030A (en) * | 2008-04-01 | 2009-10-07 | 길상진 | Feces and urine wastewater purifying system for cycle |
| CN201529436U (en) * | 2009-08-03 | 2010-07-21 | 建滔化工集团有限公司 | Inverse flow impregnating compound filter device of circulating tank for drawing wires |
| CN203108324U (en) * | 2013-02-04 | 2013-08-07 | 广州忠信世纪玻纤有限公司 | Impregnating agent return oil filter |
-
2022
- 2022-02-10 CN CN202210123892.9A patent/CN114917635A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090105030A (en) * | 2008-04-01 | 2009-10-07 | 길상진 | Feces and urine wastewater purifying system for cycle |
| CN201529436U (en) * | 2009-08-03 | 2010-07-21 | 建滔化工集团有限公司 | Inverse flow impregnating compound filter device of circulating tank for drawing wires |
| CN203108324U (en) * | 2013-02-04 | 2013-08-07 | 广州忠信世纪玻纤有限公司 | Impregnating agent return oil filter |
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