CN212818170U - Drying device is used in urea-formaldehyde resin production - Google Patents
Drying device is used in urea-formaldehyde resin production Download PDFInfo
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- CN212818170U CN212818170U CN202021346584.5U CN202021346584U CN212818170U CN 212818170 U CN212818170 U CN 212818170U CN 202021346584 U CN202021346584 U CN 202021346584U CN 212818170 U CN212818170 U CN 212818170U
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Abstract
The utility model discloses a drying device for urea-formaldehyde resin production, which comprises a drying tower and an atomizer arranged at the top of the drying tower, wherein the bottom of the drying tower is communicated with a material conveying pipe, the material conveying pipe is communicated with a separation box, the separation box is communicated with an induced duct, the induced duct is communicated with an induced draft fan, the induced draft fan is communicated with a dehumidifier, and the dehumidifier is communicated with a bag-type dust remover; a storage hopper and a vibrating screen are arranged in the separation box, the vibrating screen is positioned above the storage hopper, a sealing cover is arranged on the separation box, a rotating motor is arranged at the top of the sealing cover, and the rotating motor is connected with a rotating filter screen; the moisture through the induced air machine in the separator box leads the dehumidifier, and shale shaker vibration phenolic resin powder screens to the storage hopper, is favorable to the separation of moisture and phenolic resin powder for the drying of urea-formaldehyde resin powder is more complete, prolongs its shelf life, and can also filter the moisture through rotary filter, retrieves the phenolic resin powder in the moisture.
Description
Technical Field
The utility model relates to a urea-formaldehyde resin production technical field, concretely relates to drying device is used in urea-formaldehyde resin production.
Background
In the fields of chemical industry, petrifaction, light industry, food, medicine, building materials, ceramics and the like, some solutions, emulsions, suspensions and pasty materials are often required to be dried into dry powder, and the drying is generally realized by a spray dryer at present.
Urea-formaldehyde resin is also called urea-formaldehyde resin, abbreviated as UF in English, and is a final-stage thermosetting resin which is formed by condensation polymerization of urea and formaldehyde under the action of a catalyst (alkaline or acidic catalyst) to form initial urea-formaldehyde resin and then is insoluble or infusible under the action of a curing agent or an auxiliary agent; the urea-formaldehyde resin is generally dried into powder, so that the urea-formaldehyde resin is easy to store and can prolong the storage life; but current drying device for urea-formaldehyde resin production is after becoming the powder with urea-formaldehyde resin liquid drying, separate urea-formaldehyde resin powder and moisture in adopting cyclone more, urea-formaldehyde resin powder and moisture separation effect are not good, when the cyclone ejection of compact, partly moisture can fall into the feed bin along with urea-formaldehyde resin powder together, and another part moisture can carry urea-formaldehyde resin powder and get into the draught fan, not only make the urea-formaldehyde resin powder dry incomplete, thereby influence its shelf life, and be unfavorable for the urea-formaldehyde resin powder in the recovery moisture, the urea-formaldehyde resin powder has been wasted.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a drying device is used in urea-formaldehyde resin production that dry more completely, extension shelf life and be favorable to retrieving urea-formaldehyde resin powder.
In order to solve the technical problem, the technical scheme of the utility model is that: a drying device for urea-formaldehyde resin production comprises a drying tower, an atomizer fixedly mounted at the top of the drying tower and communicated with the inside of the drying tower, a conveying pipe is fixed and communicated at the bottom of the drying tower, a separation box is fixed and communicated at one end, far away from the drying tower, of the conveying pipe, an induced duct communicated with the inside of the separation box is fixed at the top of the separation box, an induced draft fan is fixed and communicated at one end, far away from the separation box, of the induced duct, a dehumidifier is fixed and communicated at one end, far away from the induced duct, of the induced draft fan, and a bag-type dust remover is fixed and communicated at one end, far away from the induced duct, of the dehumidifier; a storage hopper is arranged at the lower end of the inside of the separation box, a vibrating screen positioned above the storage hopper is fixedly installed in the separation box, one end, far away from the drying tower, of the conveying pipe extends to the inside of the separation box, the conveying pipe is positioned above the vibrating screen, a sealing cover covers the top of the separation box, a rotating motor is fixedly installed at the top of the sealing cover, the output end of the rotating motor penetrates through the sealing cover from top to bottom and is fixedly connected with a rotating filter screen, and the rotating filter screen is positioned above the conveying pipe; one end of the induced duct runs through from top to bottom the inside intercommunication of sealed lid and separator box, rotary filter screen is located the below of this end of induced duct, sealed lid is for dismantling the setting.
Preferably, the conveying pipeline is arranged in an inclined mode, one end, fixed to the bottom of the drying tower and communicated with the conveying pipeline, is a feeding end, one end, extending into the separating box, of the conveying pipeline is a discharging end, and the discharging end is located above the vibrating screen.
Preferably, the height of the feed end is higher than the height of the discharge end.
Preferably, a discharge valve for controlling discharge of the storage hopper is fixedly mounted at the lower end of the storage hopper.
As preferred, be fixed with on the lateral wall of drying tower from outer to interior run through the steam of drying tower lateral wall advances the pipe, steam advances the fixed and intercommunication of the one end that the pipe is located drying tower inside and has hot gas distributor, hot gas distributor is provided with the hot gas export that a plurality of equidistance distributes towards the one end from the top down of drying tower axis, the bottom welded fastening of drying tower has the first support column that is used for supporting and stabilizes the drying tower.
Preferably, the bottom of the atomizer is fixed and communicated with a mist outlet pipe which penetrates through the top of the drying tower from top to bottom, the top of the atomizer is fixed and communicated with a liquid inlet pipe, one end of the liquid inlet pipe, far away from the atomizer, is fixed and communicated with a slurry pump, and one end of the slurry pump, far away from the liquid inlet pipe, is fixed and communicated with a liquid inlet pipe.
Preferably, the bottom of the mist outlet pipe is provided with a vertically downward spray outlet.
The utility model discloses technical effect mainly embodies: carry out the atomizing processing back through the atomizer, carry out drying process by the drying chamber again, can carry out rapid draing to urea-formaldehyde resin, introduce the dehumidifier to the moisture in the separator box through the induced air fan, shale shaker vibration screening phenolic resin powder to storage hopper, be favorable to the separation of moisture and phenolic resin powder, make the drying of urea-formaldehyde resin powder more complete, prolong its shelf life, and can also filter the moisture through rotary filter, be favorable to retrieving the phenolic resin powder in the moisture.
Drawings
FIG. 1 is a schematic structural view of a drying apparatus for producing urea resin of the present invention;
fig. 2 is a schematic structural view of the separation tank of fig. 1.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.
In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.
The utility model provides a drying device is used in urea-formaldehyde resin production, as shown in fig. 1-2, including drying tower 1, fixed mounting in 1 top of drying tower, with the atomizer 2 of 1 inside intercommunication of drying tower, the fixed and intercommunication in bottom of drying tower 1 has conveying pipeline 3, the fixed and intercommunication of the one end that drying tower 1 was kept away from to conveying pipeline 3 has separator box 4, separator box 4's top be fixed with the induced duct 5 of 4 inside intercommunications of separator box, the fixed and intercommunication of the one end that separator box 4 was kept away from to induced duct 5 has draught fan 6, the fixed and intercommunication of the one end that induced duct 5 was kept away from to draught fan 6 has dehumidifier 7, the fixed and the intercommunication of the one end that draught fan 6 was kept away from to dehumidifier 7 has sack cleaner 8. Be fixed with on the lateral wall of drying tower 1 and run through from outer to inner the steam of 1 lateral wall of drying tower advances pipe 11, steam advances pipe 11 and is located the fixed and intercommunication of 1 inside one end of drying tower and has steam distributor 12, steam distributor 12 is provided with the steam outlet 13 that a plurality of equidistance distributes towards the one end from the top down of 1 axis of drying tower, the bottom welded fastening of drying tower 1 has a support column 14 that is used for supporting and stablizes the drying tower. The bottom of atomizer 2 is fixed and is communicated with a mist outlet pipe 21 which runs through the top of drying tower 1 from top to bottom, the top of atomizer 2 is fixed and is communicated with a liquid inlet pipe 22, one end of liquid inlet pipe 22 far away from the atomizer is fixed and is communicated with a slurry pump 23, one end of slurry pump 23 far away from liquid inlet pipe 22 is fixed and is communicated with a liquid inlet pipe 24. Go out the bottom of fog pipe 21 and be provided with vertical spray outlet 211 down, with hot gas distributor 12 carries out cooperation from last hot gas outlet 13 to down, carries out the drying to the phenolic resin powder, and drying path is long, and drying effect is good.
The conveying pipeline 3 is obliquely arranged, one end of the conveying pipeline 3, which is fixed and communicated with the bottom of the drying tower 2, is a feeding end, one end of the conveying pipeline, which extends into the separating box, is a discharging end, the discharging end is positioned above the vibrating screen 42, and the height of the feeding end is higher than that of the discharging end. A storage hopper 41 is arranged at the lower end of the inside of the separation box 4, a vibrating screen 42 positioned above the storage hopper 41 is fixedly installed inside the separation box 4, one end, far away from the drying tower 1, of the conveying pipe 3 extends into the separation box 4, the conveying pipe 3 is positioned above the vibrating screen 42, a sealing cover 43 covers the top of the separation box 4, a rotating motor 44 is fixedly installed at the top of the sealing cover 43, the output end of the rotating motor 44 penetrates through the sealing cover 43 from top to bottom and is fixedly connected with a rotating filter screen 45, the rotating filter screen 45 is positioned above the conveying pipe 3, and a second supporting column 46 for supporting and stabilizing the separation box is fixedly welded at the bottom of the separation box 4; the lower end of the storage hopper 41 is fixedly provided with a discharge valve 411 for controlling the discharge of the storage hopper 41. One end of induced duct 5 runs through from top to bottom sealed lid 43 communicates with the inside of separator box 4, rotary filter 45 is located the below of this end of induced duct 5, sealed lid 43 is for dismantling the setting, through rotating electrical machines 44 drive rotary filter 45 for the powder is difficult to gather on rotary filter 45's surface, and on existing urea-formaldehyde resin powder that does benefit to fell to shale shaker 42, is favorable to prolonging rotary filter 45's life again.
In this embodiment, the vibrating screen is a direct discharge vibrating screen of type ZPS-1500, the motor of which is fixedly mounted outside the separating box 4, as shown in fig. 1-2.
In this embodiment, 2 models of atomizer are LY-020Y, 6 models of draught fan are Y6-41, 7 models of dehumidifier are DR-1382L, 8 models of bag-type dust collector are Fr i 656, the slurry pump 23 is the high viscosity underflow pump of the ZB3A of model.
The working principle is as follows: hot air enters a hot air distributor 12 on the inner side wall of a drying tower 1 through a hot air inlet pipe 11, hot air of the hot air distributor 12 enters the drying tower 1 through a hot air outlet 13, urea resin liquid is conveyed to the top of the drying tower 1 through a slurry pump 23 to be atomized into fog drops through an atomizer 2, the fog drops enter the drying tower 1 from a spray outlet of a fog outlet pipe 21, the fog drops are rapidly gasified and dried into powder products after being contacted with the hot air in the drying tower 1, the dried powder products fall into a material conveying pipe 3 at the bottom of the drying tower 1 and fall into a separation box 4 along the material conveying pipe 3 under the action of gravity and induced air of an induced draft fan 6, the urea resin powder falls onto a vibrating screen 42 under the action of gravity, the urea resin powder falls into a material storage hopper 41 after being subjected to vibration screening, a discharge valve 411 is opened, the urea resin powder falls into a material storage container below the separation box 4 from the discharge valve 411, and moisture separated from the urea resin in the dryer 1, under draught fan 6's effort, leave separator box 4 through induced duct 5, and rotary filter screen 45 in separator box 4 can filter the moisture under the drive of rotating electrical machines 44, the urea-formaldehyde resin powder in the interception moisture, the urea-formaldehyde resin powder falls to the shale shaker 42 under the combined action of rotary filter screen 45's centrifugal force and gravity, fall into storage hopper 41 after the shale shaker screens, and the moisture is introduced dehumidifier 7 by draught fan 6, dehumidification is carried out in the dehumidifier 7 to the moisture, the moisture becomes drying air, drying air gets into sack cleaner 8, sack cleaner 8 carries out dust removal processing to drying air, get rid of remaining trace powder in the drying air.
The utility model discloses technical effect mainly embodies: carry out the atomizing processing back through the atomizer, carry out drying process by the drying chamber again, can carry out rapid draing to urea-formaldehyde resin, introduce the dehumidifier to the moisture in the separator box through the induced air machine, shale shaker vibration screening phenolic resin powder to storage hopper, be favorable to the separation of moisture and phenolic resin powder, make the drying of urea-formaldehyde resin powder more complete, prolong its shelf life, and can also filter the moisture through rotary filter, be favorable to retrieving the phenolic resin powder in the moisture, reduce the waste of urea-formaldehyde resin powder.
Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.
Claims (7)
1. A drying device for urea-formaldehyde resin production comprises a drying tower, an atomizer fixedly mounted at the top of the drying tower and communicated with the inside of the drying tower, a conveying pipe is fixed and communicated at the bottom of the drying tower, a separation box is fixed and communicated at one end, far away from the drying tower, of the conveying pipe, an induced duct communicated with the inside of the separation box is fixed at the top of the separation box, an induced draft fan is fixed and communicated at one end, far away from the separation box, of the induced duct, a dehumidifier is fixed and communicated at one end, far away from the induced duct, of the induced draft fan, and a bag-type dust remover is fixed and communicated at one end, far away from the induced duct, of the dehumidifier; the method is characterized in that: the inside lower extreme of separator box is provided with the storage hopper, the inside fixed mounting of separator box has and is located the shale shaker of storage hopper top, the drying tower was kept away from to the conveying pipeline one end extends to the inside of separator box, just the conveying pipeline is located the top of shale shaker, the top of separator box is stamped sealed lid, sealed lid top fixed mounting has the rotating electrical machines, the output of rotating electrical machines runs through from top to bottom sealed lid fixedly connected with rotary filter screen, rotary filter screen is located the top of conveying pipeline.
2. The drying device for urea resin production as claimed in claim 1, characterized in that: the conveying pipeline is arranged in an inclined mode, one end, fixed to the bottom of the drying tower and communicated with the bottom of the drying tower, of the conveying pipeline is a feeding end, and one end, extending into the separating box, of the conveying pipeline is a discharging end.
3. The drying device for urea resin production as claimed in claim 2, characterized in that: the height of the feeding end is higher than that of the discharging end.
4. The drying device for urea resin production as claimed in claim 1, characterized in that: the lower end of the storage hopper is fixedly provided with a discharge valve.
5. The drying device for urea resin production as claimed in claim 1, characterized in that: be fixed with on the lateral wall of drying tower from outer to interior run through the steam of drying tower lateral wall advances the pipe, steam advances the fixed and intercommunication of the one end that the pipe is located the inside drying tower and has steam distributor, steam distributor is from last to being provided with the steam outlet that a plurality of equidistance distributes down.
6. The drying device for urea resin production as claimed in claim 1, characterized in that: the bottom of atomizer is fixed and is communicated with a fog outlet pipe which runs through the top of the drying tower from top to bottom, the top of atomizer is fixed and is communicated with a liquid inlet pipe, one end of the liquid inlet pipe, which is far away from the atomizer, is fixed and is communicated with a slurry pump, and one end of the slurry pump, which is far away from the liquid inlet pipe, is fixed and is communicated with a liquid inlet pipe.
7. The drying device for urea resin production as claimed in claim 6, wherein: and a vertically downward spray outlet is formed in the bottom of the spray outlet pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021346584.5U CN212818170U (en) | 2020-07-09 | 2020-07-09 | Drying device is used in urea-formaldehyde resin production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021346584.5U CN212818170U (en) | 2020-07-09 | 2020-07-09 | Drying device is used in urea-formaldehyde resin production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570044A (en) * | 2022-03-05 | 2022-06-03 | 南通福尔生物制品有限公司 | Spray drying equipment for processing protein powder of silkworm pupa immune G-type protein |
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2020
- 2020-07-09 CN CN202021346584.5U patent/CN212818170U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570044A (en) * | 2022-03-05 | 2022-06-03 | 南通福尔生物制品有限公司 | Spray drying equipment for processing protein powder of silkworm pupa immune G-type protein |
| CN114570044B (en) * | 2022-03-05 | 2023-09-26 | 南通福尔生物制品有限公司 | Spray drying equipment for processing silkworm chrysalis immune G-type protein powder |
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