CN215612769U - Gel felt preparation equipment - Google Patents
Gel felt preparation equipment Download PDFInfo
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- CN215612769U CN215612769U CN202121767305.7U CN202121767305U CN215612769U CN 215612769 U CN215612769 U CN 215612769U CN 202121767305 U CN202121767305 U CN 202121767305U CN 215612769 U CN215612769 U CN 215612769U
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Abstract
The utility model provides a gel felt preparation device, which comprises: a silica sol storage tank for storing silica sol; the guide roller is used for guiding the fiber felt to enable the fiber felt to pass through the silica sol storage tank; wherein, the side wall or the bottom wall of the silica sol storage tank is provided with a through hole for the fiber felt to penetrate out, a pair of rubber rollers are arranged at the through hole, and a gap between the rubber rollers is used for the fiber felt to penetrate through so as to roll the silica sol on the fiber felt; a catalyst storage tank for storing a catalyst; and the catalyst spraying device is connected with the catalyst storage tank and is used for spraying a catalyst on the fiber felt soaked with the silica sol so as to enable the silica sol to complete the gel reaction. According to the utility model, the way of dipping the fiber felt into the silica sol is changed through the silica sol storage tank and the guide roller, so that the sufficient dipping uniformity of the silica sol is improved, the gel reaction effect of the silica sol during the subsequent catalyst spraying can be further ensured, and the good heat preservation and heat insulation performance of the gel felt can be ensured.
Description
Technical Field
The utility model relates to the technical field of gel felt manufacturing, in particular to gel felt preparation equipment.
Background
The aerogel is called as super heat-insulating material, generally made into aerogel heat-insulating felt, heat-insulating board or other special-shaped parts with inorganic fiber composite, to give full play to the good heat-insulating performance of aerogel material. The preparation method comprises the steps of taking a fiber felt body such as glass fiber or ceramic fiber and the like as a base material, compounding the prepared sol with the fiber felt body in a dipping or spraying mode, carrying out sol-gel reaction on the sol in the base material to form a gel felt, then carrying out chemical modification on the gel felt body, and finally carrying out supercritical or normal-pressure drying process to obtain the aerogel felt.
Chinese patent application publication No. CN107531496A discloses a method and apparatus for manufacturing aerogel flakes, comprising a conveyor belt, a silica sol supply unit and a catalyst supply unit, wherein one of the manufacturing methods is to spray silica sol onto the surface of a fiber mat on the conveyor belt by the silica sol supply unit to impregnate the silica sol, and then the catalyst supply unit sprays a gelling catalyst onto the surface of the fiber mat on the conveyor belt to gel the silica sol. Finally, the gel mat is cut into sheets by a cutting means.
The manufacturing method is to spray the silica sol and the catalyst to one side surface of the fiber felt in sequence, once the silica sol is not soaked fully or uniformly, the gel reaction effect of the silica sol can not be ensured when the catalyst is sprayed subsequently, and the good heat preservation and heat insulation performance of the gel felt can not be ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide gel felt preparation equipment to solve the problems that the existing manufacturing mode cannot ensure the sufficient soaking uniformity of silica sol, further cannot ensure the gel reaction effect of the silica sol during the subsequent catalyst spraying, and influences the heat preservation and insulation performance of the gel felt.
In order to realize the purpose, the gel felt preparation equipment adopts the following technical scheme:
a gel mat manufacturing apparatus comprising:
a silica sol storage tank for storing silica sol;
the guide roller is used for guiding the fiber felt to enable the fiber felt to pass through the silica sol storage tank;
wherein, the side wall or the bottom wall of the silica sol storage tank is provided with a through hole for the fiber felt to penetrate out, a pair of rubber rollers are arranged at the through hole, and a gap between the rubber rollers is used for the fiber felt to penetrate through so as to roll the silica sol on the fiber felt;
the gel mat preparation apparatus further comprises:
a catalyst storage tank for storing a catalyst;
and the catalyst spraying device is connected with the catalyst storage tank and is used for spraying a catalyst on the fiber felt soaked with the silica sol so as to enable the silica sol to complete the gel reaction.
The beneficial effects of the above technical scheme are that: the fiber felt penetrates through the silica sol storage tank under the action of the guide roller, so that the silica sol can be more fully and uniformly impregnated, the fiber felt can conveniently penetrate through the through holes in the silica sol storage tank, a pair of rubber rollers are arranged at the through holes, and a gap between the rubber rollers is used for the fiber felt to penetrate through, so that the silica sol on the fiber felt can be rolled, and the silica sol can be more uniformly impregnated; the gel felt preparation equipment also comprises a catalyst storage tank and a catalyst spraying device, and can spray a catalyst to the fiber felt impregnated with the silica sol to enable the silica sol to complete a gel reaction.
Therefore, the utility model changes the way of dipping the fiber felt into the silica sol through the silica sol storage tank and the guide roller, improves the sufficient dipping uniformity of the silica sol, further can ensure the gel reaction effect of the silica sol when the catalyst is sprayed subsequently, and ensures the good heat preservation and insulation performance of the gel felt.
Further, the through hole is arranged on the bottom wall of the silica sol storage tank; the gel felt preparation equipment also comprises a recovery box arranged below the silica sol storage tank, and the recovery box is used for collecting the silica sol dropped on the rubber-pressing roller and the fiber felt.
The beneficial effects of the above technical scheme are that: the recovery box is arranged to collect silica sol dripping from the rubber pressing roller and the fiber felt, so that the environment is prevented from being influenced by dripping on the ground.
Furthermore, the recovery box is communicated with the upper part of the silica sol storage tank through a return pipe, and a return pump is arranged on the return pipe.
The beneficial effects of the above technical scheme are that: can let in the silica sol in retrieving the box in the silica sol holding vessel through back flow and backwash pump, realize the make full use of silica sol, avoid extravagant.
Furthermore, the gel felt preparation equipment also comprises a first reversing roller arranged below the silica sol storage tank, and the first reversing roller is positioned between the rubber pressing roller and the recovery box.
The beneficial effects of the above technical scheme are that: the fiber felt can be reversed through the first reversing roller, so that the subsequent catalyst injection of the fiber felt is facilitated; the first reversing roller is positioned between the rubber pressing roller and the recovery box, so that the arrangement is convenient, and meanwhile, the collection of silica sol is also convenient.
Further, the guide roller comprises a first guide roller arranged above the silica sol storage tank and a second guide roller arranged inside the silica sol storage tank, and the second guide roller and the first guide roller are arranged in a staggered mode in the vertical direction, so that the fiber felt between the first guide roller and the second guide roller is in an inclined state.
The beneficial effects of the above technical scheme are that: first guide roll is located the silica sol holding vessel top, and the second guide roll is located inside the silica sol holding vessel to conveniently in the leading-in silica sol holding vessel of fibrofelt, two guide rolls stagger in the upper and lower direction simultaneously and arrange, make the fibrofelt between first guide roll and the second guide roll be the tilt state, can increase the length of the fibrofelt that passes the silica sol holding vessel, make more fibrofelts can impregnate the silica sol.
Further, the guide roller also comprises a third guide roller arranged inside the silica sol storage tank, the third guide roller is positioned below the second guide roller and is arranged in a vertically staggered manner with the second guide roller, so that the fiber felt between the second guide roller and the third guide roller is in an inclined state, one of the second guide roller and the third guide roller is positioned on the left side below the first guide roller, and the other guide roller is positioned on the right side below the first guide roller.
The beneficial effects of the above technical scheme are that: the third guide roller is positioned below the second guide roller and is staggered with the second guide roller in the vertical direction, so that the fiber felt between the second guide roller and the third guide roller is also in an inclined state, and the inclined direction is changed because one of the third guide roller and the third guide roller is positioned on the left side below the first guide roller and the other guide roller is positioned on the right side below the first guide roller, so that the length of the fiber felt passing through the silica sol storage tank can be further increased, and more fiber felts can be impregnated into the silica sol.
Furthermore, the third guide roller and the glue pressing roller are arranged in a staggered mode in the vertical direction, so that the fiber felt between the third guide roller and the glue pressing roller is in an inclined state.
The beneficial effects of the above technical scheme are that: the fiber felt between the third guide roll and the rubber press roll is in an inclined state, so that the length of the fiber felt passing through the silica sol storage tank is increased, and more fiber felts can be soaked into the silica sol.
Further, the catalyst injection device comprises a frame, a central pipe rotatably installed on the frame, a driving device for driving the central pipe to rotate, and a wrapping piece coaxially arranged outside the central pipe through a supporting piece, wherein the inner cavity of the central pipe is used for introducing a catalyst, a plurality of through holes penetrating through the side wall of the central pipe are formed in the central pipe, so that the catalyst is sprayed out from the through holes under the action of centrifugal force when the central pipe rotates, the wrapping piece is used for wrapping and bypassing a fiber felt impregnated with silica sol, and a plurality of penetrating structures for allowing the catalyst sprayed out from the through holes to penetrate are circumferentially arranged on the wrapping piece, so that the catalyst is sprayed onto the fiber felt.
The beneficial effects of the above technical scheme are that: the catalyst that the center tube rotation spun can pass the structure of passing on the surrounding part and spray to the fibrofelt, realizes the centrifugal impregnation effect, and because the structure of passing is provided with a plurality ofly along circumference, the fibrofelt in the transport just can be by the continuous catalyst that sprays of a plurality of structures of passing, guarantees to soak more fully like this. Simultaneously, because the coaxial setting of wrapping member is in the outside of center tube, the fiber felt parcel is walked around the wrapping member and is carried, and this kind of form occupies horizontal space little, can not cause equipment volume too bulky.
Further, a second reversing roller and a third reversing roller are arranged outside the wrapping piece, the axis of the second reversing roller is parallel to the axis of the wrapping piece, the second reversing roller is used for reversing the fiber felt and enabling the fiber felt to wrap around the wrapping piece, the third reversing roller is used for reversing the fiber felt wound out of the wrapping piece, and the distance between the second reversing roller and the third reversing roller is smaller than the outer diameter of the wrapping piece, so that the area of the fiber felt wrapped around the wrapping piece is larger than 1/2 circles.
The beneficial effects of the above technical scheme are that: the arrangement of the two reversing rollers is beneficial to reversing and tensioning the fiber felt, so that more fiber felt is wrapped outside the wrapping piece, and the fiber felt is more fully impregnated.
Further, the catalyst injection device comprises an outer barrel, an inner barrel arranged inside the outer barrel and a power device for driving the inner barrel to rotate, wherein the inner barrel is provided with an inner cavity for the fibrofelt to penetrate through the inner barrel, the inner barrel and the outer barrel are arranged at intervals to form an annular chamber, the two axial ends of the annular chamber are sealed, an inlet for the catalyst to enter the annular chamber is formed in the outer barrel, a plurality of communicating holes for communicating the inner cavity of the inner barrel and the annular chamber are formed in the inner barrel, and the communicating holes are used for enabling the catalyst to enter the inner cavity of the inner barrel in the annular chamber when the inner barrel rotates and injecting the catalyst onto the surfaces of the two sides of the fibrofelt under the rotating action of the inner barrel.
The beneficial effects of the above technical scheme are that: the fibrofelt penetrates through the inner cavity of the inner cylinder, when the inner cylinder rotates, the catalyst in the annular chamber can continuously enter the inner cavity of the inner cylinder through the communicating holes, and along with the rotation of the inner cylinder, the catalyst can be sprayed onto the surfaces of the two sides of the fibrofelt, so that the omnibearing spraying effect is realized, the catalyst can be ensured to be fully and uniformly immersed into the fibrofelt, and the good heat insulation performance of the gel felt is further ensured.
Drawings
FIG. 1 is a schematic view showing the construction of example 1 of the gel mat producing apparatus of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a side view of the frame, wrap, center tube and drive assembly of FIG. 1;
FIG. 4 is a side view of the frame, center tube and drive assembly of FIG. 1;
FIG. 5 is a partial cutaway view of FIG. 3;
FIG. 6 is a schematic configuration diagram of example 2 of the gel mat producing apparatus in the present invention;
FIG. 7 is a side cutaway view of the frame, wrap, center tube, and drive assembly of FIG. 6;
FIG. 8 is a schematic view showing a partial structure of example 3 of the gel mat producing apparatus in the present invention;
FIG. 9 is a side cut-away view of the frame, wrap, base pipe and drive assembly of example 3 of the gel mat manufacturing apparatus of the present invention;
FIG. 10 is a schematic view showing a partial structure of example 4 of the gel mat producing apparatus in the present invention;
FIG. 11 is a schematic structural view of example 5 of a gel mat producing apparatus according to the present invention;
FIG. 12 is a schematic view showing the construction of example 6 of the gel mat producing apparatus in the present invention;
FIG. 13 is a schematic view showing the construction of example 7 of the gel mat producing apparatus in the present invention;
FIG. 14 is a schematic view showing a partial structure of example 8 of the gel mat producing apparatus in the present invention;
FIG. 15 is an enlarged view of a portion of FIG. 14;
fig. 16 is a left side view of fig. 14.
In the figure: 1. a silica sol storage tank; 2. a catalyst storage tank; 3. a recovery box; 4. a central tube; 4-1, a pipe body; 4-1-1, a through hole; 4-2, sealing plates; 4-3, a rotating shaft; 5. a wrap; 5-1, an annular fixing plate; 5-2, fixing a rod; 5-3, a void; 6. a fiber felt roll; 7. gel felt rolls; 8. a return pipe; 9. a first guide roller; 10. a second guide roller; 11. a third guide roller; 12. a glue pressing roller; 13. a first reversing roller; 14. a second reversing roller; 15. a third reversing roller; 16. a drive gear; 17. a frame; 18. a drive motor; 19. a fixed cylinder; 20. an inner gear ring; 21. a sleeve; 22. a connecting rod; 23. an input gear; 24. a support leg; 25. a drive sprocket; 26. a drive chain; 27. a drive sprocket; 28. a drive chain; 29. a meshing chain; 30. an outer cylinder; 31. an inner barrel; 32. an annular chamber; 33. a catalyst injection zone; 34. a support; 35. closing the plate; 36. a bearing; 37. a ring gear; 38. a pinion gear; 39. a motor; 40. a conveying device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
An embodiment 1 of the gel mat manufacturing apparatus according to the present invention is shown in fig. 1, and includes a silica sol storage tank 1 for storing silica sol, a catalyst storage tank 2 for storing catalyst, and a guide roller for guiding a fiber mat so that the fiber mat passes through the silica sol storage tank 1.
Specifically, the guide rollers comprise a first guide roller 9 arranged above the silica sol storage tank 1 and a second guide roller 10 arranged inside the silica sol storage tank 1, the first guide roller 9 is used for winding and reversing the fiber felt discharged from the fiber felt roll 6, and the second guide roller 10 and the first guide roller 9 are arranged in a staggered mode in the vertical direction, so that the fiber felt between the first guide roller 9 and the second guide roller 10 is in an inclined state.
The guide roller further comprises a third guide roller 11 arranged in the silica sol storage tank 1, wherein the third guide roller 11 is positioned below the second guide roller 10 and is staggered with the second guide roller 10 in the vertical direction, so that the fiber felt between the second guide roller 10 and the third guide roller 11 is in an inclined state. Moreover, the second guide roller 10 is positioned at the right side below the first guide roller 9, and the third guide roller 11 is positioned at the left side below the first guide roller 9, that is, the inclined directions of the fiber felt between the first guide roller 9 and the second guide roller 10 and the fiber felt between the second guide roller 10 and the third guide roller 11 are different, so that the length of the fiber felt passing through the silica sol storage tank 1 can be increased, more fiber felts can be impregnated into silica sol, and the sufficient uniformity of silica sol impregnation is ensured.
As shown in fig. 1, a through hole for the fiber felt to pass through is formed in the bottom wall of the silica sol storage tank 1, a pair of glue rollers 12 are installed at the through hole, and a gap between the glue rollers 12 is used for the fiber felt to pass through so as to roll the silica sol on the fiber felt, so that the silica sol is impregnated more uniformly. In addition, the glue press roll 12 and the third guide roll 11 are also arranged in a vertically staggered manner, so that the fiber mat between the third guide roll 11 and the glue press roll 12 is also in an inclined state, and the inclined direction is different from that of the previous section, thereby also increasing the length of the fiber mat passing through the silica sol storage tank 1 and enabling more fiber mats to be impregnated with silica sol.
Gel felt preparation equipment is still including setting up recovery box 3 in silica sol holding vessel 1 below, retrieves box 3 and is used for collecting the silica sol that drips on moulding roller 12 and the fibrofelt to retrieve box 3 and pass through the upper portion intercommunication of back flow 8 with silica sol holding vessel 1, install the backwash pump on the back flow 8, can let in silica sol in retrieving box 3 in silica sol holding vessel 1, realize the make full use of silica sol, avoid extravagant.
The gel mat preparation equipment further comprises a catalyst spraying device connected with the catalyst storage tank 2, and the catalyst spraying device is used for spraying a catalyst on the fiber mat impregnated with the silica sol so as to enable the silica sol to complete the gel reaction. As shown in fig. 1, the gel mat preparation apparatus further comprises a first reversing roller 13 disposed below the silica sol storage tank 1, wherein the first reversing roller 13 is located between the calender roller 12 and the recovery box 3, and is used for guiding the silica sol-impregnated fiber mat to the left to the catalyst spraying device.
Referring to fig. 2, 3, 4 and 5, the catalyst injection device in this embodiment includes a frame 17, a center pipe 4 rotatably mounted on the frame 17, a driving device for driving the center pipe 4 to rotate, and a wrapping member 5 coaxially disposed outside the center pipe 4 via a support member.
Specifically, as shown in fig. 4, the central tube 4 includes a tube body 4-1, sealing plates 4-2 fixed to two ends of the tube body 4-1, and a rotating shaft 4-3 fixedly connected to the sealing plates 4-2, and the central tube 4 is rotatably mounted on the frame 17 through the rotating shafts 4-3 at the two ends. The inner cavity of the tube body 4-1 is used for introducing a catalyst, and the tube body 4-1 is provided with a plurality of through holes 4-1-1 penetrating through the side wall of the tube body 4-1; the rotating shaft 4-3 on the left side of the rotating shafts at the two ends is a hollow shaft, the hollow shaft is communicated with the pipe body 4-1, and the hollow shaft is also communicated with a conveying pipe connected to the catalyst storage tank 2 so that the catalyst can enter the pipe body 4-1. Of course, in order to avoid affecting the smooth rotation of the central tube 4, the hollow shaft and the delivery tube need to be connected by a bearing or a rotary joint.
As shown in fig. 3 to 5, the driving device is a driving motor 18, the right rotating shaft 4-3 of the rotating shafts at the two ends is a transmission shaft in transmission connection with the driving motor 18, so as to drive the central tube 4 to rotate, and when the central tube 4 rotates, the catalyst in the tube body 4-1 can be ejected through the through hole 4-1-1 under the action of centrifugal force.
As shown in fig. 1 and 2, the wraparound 5 is used to wrap and bypass the fiber mat being conveyed. Specifically, as shown in fig. 3, the wrapping member 5 is a cage-type structure, and includes annular fixing plates 5-1 at the left and right ends and a plurality of fixing rods 5-2 installed between the two annular fixing plates 5-1 at intervals along the circumferential direction, a gap 5-3 is formed between two adjacent fixing rods 5-2, and the gap 5-3 constitutes a penetrating structure for the catalyst sprayed from the through holes 4-1-1 to pass through, so that the catalyst can be sprayed onto the fiber mat, and since the gap 5-3 is formed in plurality, the penetrating structure is provided in plurality and is arranged at intervals along the circumferential direction.
The two ends of the fixing rod 5-2 are respectively and fixedly connected with the annular fixing plates 5-1 at the left end and the right end, so that the wrapping piece 5 is conveniently supported and driven to rotate, and the wrapping piece 5 is coaxially arranged outside the central tube 4 through a supporting piece. Specifically, as shown in fig. 5, a coaxial fixed cylinder 19 is fixed on an end surface of the right annular fixed plate 5-1 facing away from the fixed rod 5-2, and the supporting member includes a sleeve 21 sleeved outside the transmission shaft and a connecting rod 22 fixedly connected between an outer circumferential surface of the sleeve 21 and an inner wall surface of the fixed cylinder 19, so as to rotatably support the wrapping member 5.
In addition, an inner gear ring 20 is arranged on the inner wall of the fixed cylinder 19, the gel felt preparation device further comprises a driving gear 16 which is meshed with the inner gear ring 20 to drive the fixed cylinder 19 and the wrapping member 5 to rotate, and the driving gear 16 is positioned inside the fixed cylinder 19; the gel felt preparation equipment further comprises an input gear 23 which is arranged on the transmission shaft and synchronously rotates along with the transmission shaft, the input gear 23 is meshed with the driving gear 16, so that the direction of rotation of the central pipe 4 is opposite to that of the wrapping member 5, the spraying and impregnation effects of the catalyst are improved, and the direction of rotation of the wrapping member 5 is the same as the direction of conveying of the fiber felt, so that the conveying of the fiber felt is facilitated. Of course, in order to ensure that the transmission can be smoothly realized, it is necessary to provide the driving gear 16 with a fixed mounting shaft (not shown), the driving gear 16 is mounted on the mounting shaft, and the mounting shaft is rotatably mounted on a separate fixing bracket, or the frame 17 has an upwardly extending extension, and the mounting shaft is rotatably mounted on the extension.
As shown in fig. 1 and 2, the gel felt preparation equipment further comprises a second reversing roller 14 and a third reversing roller 15 which are arranged outside the wrapping member 5, the rotation axes of the two reversing rollers are parallel to the axis of the wrapping member 5, the fiber felt firstly passes around the second reversing roller 14 and is reversed, then wraps around the wrapping member 5, the fiber felt wound out of the wrapping member 5 finally passes around the third reversing roller 15 and is reversed, and the gel felt roll 7 is formed after winding. The distance between the second reversing roller 14 and the third reversing roller 15 is smaller than the outer diameter of the wrapping piece 5, so that the area of the fiber felt wrapping the wrapping piece 5 is larger than 1/2 circles, the catalyst is fully impregnated, the silica sol fully completes gel reaction, and the preparation effect of the gel felt is ensured.
When the gel felt preparation equipment is used, the mode of soaking the fiber felt in the silica sol is changed through the silica sol storage tank 1 and the guide rollers, the sufficient soaking uniformity of the silica sol is improved, the gel reaction effect of the silica sol during subsequent catalyst spraying can be further ensured, and the good heat preservation and heat insulation performance of the gel felt is ensured. Meanwhile, the wrapping piece 5 is adopted to wrap and bypass the fiber felt, the central pipe 4 arranged inside the wrapping piece 5 is adopted to rotationally spray the catalyst, the penetrating structure on the wrapping piece 5 is utilized to enable the catalyst to be sprayed onto the fiber felt, the centrifugal impregnation effect is achieved, and the penetrating structure is circumferentially provided with a plurality of penetrating structures, so that the fiber felt during conveying can be continuously sprayed with the catalyst by the plurality of penetrating structures, and the soaking is ensured to be more sufficient. Meanwhile, as the wrapping piece 5 is coaxially arranged outside the central tube 4, the fiber felt is wrapped and conveyed by the wrapping piece 5, the form occupies small transverse space, and the equipment volume is not too large.
In addition, since the wrapping member 5 only rotates with the fixing rods 5-2 and the annular fixing plates 5-1 at both ends do not rotate, the supporting member in this embodiment includes the fixing cylinder 19 and the legs 24 fixed to the bottom of the fixing cylinder 19, thereby achieving stable support of the wrapping member 5.
Fig. 11 shows an example 5 of the gel mat manufacturing apparatus according to the present invention, which is different from example 1 in that two sets of the central pipe 4 and the wrapping members 5 are provided and spaced apart from each other so that the fiber mat passing through one of the wrapping members passes through the other wrapping member continuously to spray the catalyst on both sides of the fiber mat, thereby further improving the impregnation effect.
In the present embodiment, the rotation of the driving gear 16 is still achieved by mounting an input gear on the transmission shaft such that the input gear is engaged with the driving gear 16, as in embodiment 1.
Example 6 of the gel mat producing apparatus of the present invention is the same as example 2 except that the driving gear 16 is driven by a separate motor as shown in fig. 12, which is different from example 5.
The embodiment 7 of the gel mat manufacturing apparatus of the present invention is the same as the embodiment 4 except that the driving sprocket 25 of each fixing bar 5-2 is rotated by the interlocking chain 29 to rotate all the fixing bars 5-2, as shown in fig. 13, unlike the embodiment 5.
The catalyst injection device in the embodiment further comprises a power device which is in transmission connection with the inner barrel 31 to drive the inner barrel 31 to rotate, wherein the power device comprises a motor 39 and a pinion 38 which is in transmission connection with a motor shaft of the motor 39. The inner surface of the end portion of the inner cylinder 31 is provided with a ring gear 37, the ring gear 37 is located radially inside the bearing 36, and the pinion 38 is meshed with the ring gear 37 to drive the inner cylinder 31 to rotate.
As shown in fig. 14 and 15, the inner cylinder 31 is provided with a plurality of communicating holes 31-1 communicating the inner cavity of the inner cylinder 31 and the annular chamber 32, so that when the inner cylinder 31 rotates, the catalyst entering the annular chamber 32 can continuously enter the inner cavity of the inner cylinder 31 through the communicating holes 31-1, and along with the rotation of the inner cylinder 31, the catalyst can be sprayed onto the two side surfaces of the fibrofelt, and therefore, the inner cavity of the inner cylinder 31 forms a catalyst spraying region 33, so that the catalyst is fully and uniformly immersed into the fibrofelt, which is beneficial to fully completing the gel reaction of silica sol on the fibrofelt, ensures the preparation effect of the fibrofelt, and finally is rolled to form a gel felt roll 7, which is convenient for subsequent aging and supercritical drying.
In addition, in order to ensure the stable transportation of the fiber mat, the catalyst spraying device further comprises a transportation device 40 for supporting and transporting the fiber mat, wherein the transportation device 40 is a roller type transportation machine, the roller type transportation machine is arranged through the inner cylinder 31, and the roller type transportation machine is adopted in consideration of the interval arrangement of the transportation rollers, so that the back surface of the fiber mat can be sprayed to the silica sol and the catalyst.
In other embodiments of the gel mat preparation apparatus, different from embodiment 8: the power device can be replaced by a hydraulic motor or a pneumatic motor; the catalyst injection device does not comprise a conveying device, and the fiber felt is kept horizontal by the tension of unreeling and reeling; an outer gear ring can be arranged on the outer surface of the end part of the inner cylinder, the power device also comprises a motor and a pinion, and the pinion is meshed with the outer gear ring; or the outer surface of the end part of the inner cylinder can be provided with a chain wheel, and the inner cylinder is driven to rotate through the transmission connection of a chain and the chain wheel; the two ends of the inner cylinder and the outer cylinder are not connected in a rotating fit mode through bearings, but an independent support is arranged to be used for rotatably supporting the inner cylinder, and the inner cylinder is matched with the independent support through the bearings.
In other embodiments of the gel mat preparation apparatus, when the catalyst injection device is in the form of a centertube and a wrap: the second reversing roller and the third reversing roller are not arranged beside the wrapping member, but the fiber felt is directly introduced onto the wrapping member, the fiber felt before introduction is parallel to the fiber felt after introduction, namely the area of the fiber felt wrapping the wrapping member is equal to 1/2 circles; an outer gear ring can be arranged on the fixed cylinder, and the outer gear ring and the fixed cylinder are driven to rotate by an external motor and a driving gear; the driving device for driving the central tube to rotate can also be a hydraulic motor or a pneumatic motor, or a transmission gear is arranged at the end part of the central tube, the driving device comprises a motor and a driving gear, and the driving gear is meshed with the transmission gear for transmission so as to drive the central tube to rotate; the central tube comprises a tube body, one end of the tube body, which is in transmission connection with the driving device, is provided with a plug to prevent the catalyst from overflowing, and the other end of the tube body is connected with a conveying pipe of the catalyst storage tank through a bearing to enable the catalyst to enter the tube body without influencing the rotation of the central tube; the wrapping member may not be a cage structure, but a cylinder structure, for example, the wrapping member includes a cylinder, and a plurality of round holes or strip holes are opened on a side wall of the cylinder as a penetrating structure; no matter the wrapping member is of a cage structure or a barrel structure, the wrapping member can not rotate and only has certain friction with the fiber felt.
In other embodiments of the gel mat manufacturing apparatus, different from embodiment 1, the third guide roll and the calender roll may be arranged in vertical alignment, and the fiber mat between the sections is in a vertical state.
In other embodiments of the gel mat manufacturing apparatus, unlike embodiment 1, the guide roll does not include the third guide roll and is constituted only by the first guide roll and the second guide roll.
In other embodiments of the gel mat manufacturing apparatus, unlike embodiment 1, the guide roll includes only the first guide roll.
In other embodiments of the gel mat preparation apparatus, the first reversing roll may not be provided, and the fiber mat passing through the calender roll is conveyed directly to the catalyst injection device.
In other embodiments of the gel mat manufacturing apparatus, the recovery box is not connected to a return line and is manually emptied into a silica sol storage tank after sufficient silica sol has been collected.
In other embodiments of the gel mat preparation apparatus, the recovery box may not be provided.
In other embodiments of the gel mat preparation apparatus, the perforations in the silica sol storage tank may be provided in a side wall of the silica sol storage tank.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.
Claims (10)
1. A gel mat manufacturing apparatus, comprising:
a silica sol storage tank (1) for storing silica sol;
a guide roller for guiding the fiber felt to pass through the silica sol storage tank (1);
wherein, the side wall or the bottom wall of the silica sol storage tank (1) is provided with a through hole for the fiber felt to penetrate out, a pair of rubber rollers (12) are arranged at the through hole, and a gap between the rubber rollers (12) is used for the fiber felt to penetrate through so as to roll the silica sol on the fiber felt;
the gel mat preparation apparatus further comprises:
a catalyst storage tank (2) for storing a catalyst;
and the catalyst spraying device is connected with the catalyst storage tank (2) and is used for spraying a catalyst on the fiber felt impregnated with the silica sol so as to enable the silica sol to complete the gel reaction.
2. The gel mat preparation apparatus according to claim 1, wherein the perforations are provided on a bottom wall of the silica sol storage tank (1); the gel felt preparation equipment further comprises a recovery box (3) arranged below the silica sol storage tank (1), and the recovery box (3) is used for collecting silica sol dripping on the rubber pressing roller (12) and the fiber felt.
3. The gel mat preparation apparatus as set forth in claim 2, characterized in that the recovery tank (3) is communicated with the upper part of the silica sol storage tank (1) through a return pipe (8), and a return pump is installed on the return pipe (8).
4. The gel mat preparation apparatus according to claim 2, further comprising a first reversing roller (13) disposed below the silica sol storage tank (1), the first reversing roller (13) being located between the calender roller (12) and the recovery box (3).
5. The gel mat preparation apparatus according to any one of claims 1 to 4, wherein the guide rollers comprise a first guide roller (9) disposed above the silica sol storage tank (1) and a second guide roller (10) disposed inside the silica sol storage tank (1), and the second guide roller (10) and the first guide roller (9) are arranged in a vertically staggered manner so that the fiber mat between the first guide roller (9) and the second guide roller (10) is in an inclined state.
6. The gel mat preparation apparatus according to claim 5, wherein the guide rollers further comprise a third guide roller (11) disposed inside the silica sol storage tank (1), the third guide roller (11) is located below the second guide roller (10) and is arranged to be vertically staggered from the second guide roller (10) so that the fiber mat between the second guide roller (10) and the third guide roller (11) is in an inclined state, and one of the second guide roller (10) and the third guide roller (11) is located on the lower left side of the first guide roller (9) and the other is located on the lower right side of the first guide roller (9).
7. The gel mat preparation apparatus according to claim 6, wherein the third guide roll (11) and the calender roll (12) are arranged to be staggered in the up-down direction so that the fiber mat between the third guide roll (11) and the calender roll (12) is in an inclined state.
8. The gel felt preparation equipment according to any one of claims 1 to 4, wherein the catalyst injection device comprises a rack (17), a central pipe (4) rotatably mounted on the rack (17), a driving device for driving the central pipe (4) to rotate, and a wrapping member (5) coaxially arranged outside the central pipe (4) through a support, wherein an inner cavity of the central pipe (4) is used for introducing a catalyst, a plurality of through holes penetrating through the side wall of the central pipe (4) are formed in the central pipe (4) so that the catalyst is sprayed out of the through holes under the action of centrifugal force when the central pipe (4) rotates, the wrapping member (5) is used for wrapping and bypassing a fiber felt impregnated with silica sol, and a plurality of penetrating structures for the catalyst sprayed out of the through holes to pass are circumferentially arranged on the wrapping member (5) so that the catalyst is injected onto the fiber felt.
9. The gel mat preparation apparatus according to claim 8, characterized in that the outside of the wrap (5) is provided with a second reversing roller (14) and a third reversing roller (15) having axes parallel to the axis of the wrap (5), the second reversing roller (14) is used for reversing the fiber mat and wrapping the fiber mat around and around the wrap (5), the third reversing roller (15) is used for reversing the fiber mat wound out of the wrap (5), and the distance between the second reversing roller (14) and the third reversing roller (15) is smaller than the outer diameter of the wrap (5) so that the area of the fiber mat wrapped wrap (5) is larger than 1/2 circles.
10. The gel felt preparation equipment according to any one of claims 1 to 4, wherein the catalyst injection device comprises an outer cylinder (30), an inner cylinder (31) arranged inside the outer cylinder (30), and a power device for driving the inner cylinder (31) to rotate, the inner cylinder (31) is provided with an inner cavity for the fibrofelt to penetrate through the inner cylinder (31), an annular chamber (32) is formed between the inner cylinder (31) and the outer cylinder (30) at intervals, two axial ends of the annular chamber (32) are closed, the outer cylinder (30) is provided with an inlet for the catalyst to enter the annular chamber (32), the inner cylinder (31) is provided with a plurality of communication holes for communicating the inner cavity of the inner cylinder (31) and the annular chamber (32), and the communication holes are used for enabling the catalyst entering the annular chamber (32) to enter the inner cavity of the inner cylinder (31) when the inner cylinder (31) rotates, and sprayed on both side surfaces of the fiber mat by the rotation of the inner cylinder (31).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121767305.7U CN215612769U (en) | 2021-07-31 | 2021-07-31 | Gel felt preparation equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121767305.7U CN215612769U (en) | 2021-07-31 | 2021-07-31 | Gel felt preparation equipment |
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| CN215612769U true CN215612769U (en) | 2022-01-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653529A (en) * | 2022-04-01 | 2022-06-24 | 巩义市泛锐熠辉复合材料有限公司 | Device and method for preparing silica aerogel felt and silica aerogel felt |
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2021
- 2021-07-31 CN CN202121767305.7U patent/CN215612769U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653529A (en) * | 2022-04-01 | 2022-06-24 | 巩义市泛锐熠辉复合材料有限公司 | Device and method for preparing silica aerogel felt and silica aerogel felt |
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