CN219924470U - In-situ synthesis high-strength resin spray drying tower for precoated sand - Google Patents
In-situ synthesis high-strength resin spray drying tower for precoated sand Download PDFInfo
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- CN219924470U CN219924470U CN202320988608.4U CN202320988608U CN219924470U CN 219924470 U CN219924470 U CN 219924470U CN 202320988608 U CN202320988608 U CN 202320988608U CN 219924470 U CN219924470 U CN 219924470U
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- air
- communicated
- dust collector
- tower body
- strength resin
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- 229920005989 resin Polymers 0.000 title claims abstract description 33
- 239000011347 resin Substances 0.000 title claims abstract description 33
- 239000004576 sand Substances 0.000 title claims abstract description 21
- 238000001694 spray drying Methods 0.000 title claims abstract description 19
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 18
- 230000015572 biosynthetic process Effects 0.000 title claims description 6
- 238000003786 synthesis reaction Methods 0.000 title claims description 6
- 239000000428 dust Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000009826 distribution Methods 0.000 claims abstract description 15
- 238000002485 combustion reaction Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 210000002489 tectorial membrane Anatomy 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 14
- 239000007921 spray Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model provides an in-situ synthetic high-strength resin spray drying tower for precoated sand, which comprises a combustion furnace, an air distribution chamber, a tower body, a cyclone dust collector and a water film dust collector which are sequentially communicated, wherein a hot air distributor and a centrifugal atomizer are arranged at the top of the tower body, the centrifugal atomizer is communicated with liquid supply equipment, a sieve plate is arranged at the lower part of the tower body, an air inlet of the cyclone dust collector is communicated with the inside of the tower body, and an air outlet of the cyclone dust collector is communicated with the water film dust collector; the combustion furnace comprises a furnace body and a burner, wherein the furnace body is of a three-layer structure, the inner layer is an empty cylinder with two sealed ends, the burner is arranged at the front end of the inner layer, the rear end of the outer layer is provided with a first air inlet, the front end of the middle layer is provided with a second air inlet, the rear end of the middle layer is provided with an air outlet, and the air outlet is communicated with an air distribution chamber. The spray drying tower has higher thermal efficiency and lower energy consumption in the drying process of the in-situ synthesized high-strength resin for precoated sand.
Description
Technical Field
The utility model relates to drying equipment, in particular to an in-situ synthetic high-strength resin spray drying tower for precoated sand.
Background
The precoated sand is one kind of molding material, and is compounded with silica sand, adhesive, curing agent and lubricant, and through certain production process, the dry granular molding material with resin coated on the surface of sand and containing curing agent and lubricant is formed.
The resin obtained by the in situ synthesis method is conveniently packaged and transported, and in the production process, the resin is usually dried to be powder and then split-packed. The resin drying equipment on the market is a lot, and a common main is a spray dryer. For example: the microwave-assisted centrifugal spray drying device for external pressure blowing disclosed in Chinese patent CN215136922U, the spray dryer for producing polyacrylic resin disclosed in Chinese patent CN212109465U, the drying device for producing urea resin disclosed in Chinese patent CN212818170U, and the like. In the working process of spray drying, air is heated and enters from the top of the dryer; the feed liquid is sprayed into very fine atomized liquid beads through a high-speed centrifugal atomizer at the top of the tower body (rotating) and contacted with hot air in parallel flow, and can be dried into a finished product in a very short time. However, in the spray dryer of the present application, in the spray drying system disclosed in chinese patent CN217886997U, air generally enters through the air inlet at the front end of the burner, and then directly flows out from the rear end of the burner, and enters the drying tower for heating, so that the heat efficiency is relatively low.
In order to solve the above problems, an ideal technical solution is always sought.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and provides an in-situ synthetic high-strength resin spray drying tower for precoated sand.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the in-situ synthetic high-strength resin spray drying tower for precoated sand comprises a combustion furnace, an air distribution chamber, a tower body, a cyclone dust collector and a water film dust collector which are sequentially communicated, wherein a hot air distributor and a centrifugal atomizer are arranged at the top of the tower body, the centrifugal atomizer is communicated with liquid supply equipment, a sieve plate is arranged at the lower part of the tower body, an air inlet of the cyclone dust collector is communicated with the inside of the tower body, and an air outlet of the cyclone dust collector is communicated with the water film dust collector;
the combustion furnace dries air to form hot air, the hot air is conveyed to the hot air distributor through the air distribution chamber to enter the tower body, and the atomized resin sprayed by the centrifugal atomizer is dried to obtain dried resin;
the combustion furnace comprises a furnace body and a burner, wherein the furnace body is of a three-layer structure, the inner layer is an empty cylinder with two sealed ends, the burner is arranged at the front end of the inner layer, the rear end of the outer layer is provided with a first air inlet, the front end of the middle layer is provided with a second air inlet, the rear end of the middle layer is provided with an air outlet, and the air outlet is communicated with an air distribution chamber.
The middle layer comprises a straight section and a conical section, the straight section is positioned at the front end of the middle layer, the conical section is positioned at the rear end of the middle layer, and the air outlet is positioned at the conical tip of the conical section.
The top of the tower body is provided with a conical mounting frame, and the lower end of the conical mounting frame is provided with a centrifugal atomizer and a spiral air duct.
The whole outline of the spiral dryer is the toper, and the air intake is seted up to the flaring end of spiral dryer, and this air intake passes through pipeline intercommunication air distribution chamber, and the lateral wall of spiral dryer evenly sets up a plurality of air outlets, and each air outlet is provided with the wind-guiding fin respectively, and each wind-guiding fin is arranged along spiral dryer circumference.
The centrifugal atomizer is installed in the inboard of toper mounting bracket, and the spiral dryer is installed in the outside of toper mounting bracket.
The water film dust remover comprises a shell, wherein the bottom of the shell is provided with an air inlet which is communicated with an air outlet of the cyclone dust remover through a fan, the upper part of the shell is provided with a sprayer, and the sprayer is communicated with a water pool through a pipeline.
Compared with the prior art, the in-situ synthetic high-strength resin spray drying tower for the precoated sand has the advantages that the heat efficiency is higher, and the energy consumption is lower in the drying process of the in-situ synthetic high-strength resin for the precoated sand. Specifically, the furnace body is three-layer structure, and the combustor is located the front end of inlayer, and the air intake is located outer rear end, and the air inlet flows from the rear end to the front end and gets into the middle level earlier by the air intake, flows out by the air outlet of rear end at last, for conventional one side air inlet from the combustor, has improved thermal efficiency greatly. In addition, the top of tower body sets up the toper mounting bracket, and the inboard of mounting bracket sets up centrifugal atomizer, and the outside sets up the spiral dryer for it is more even with vaporific resin contact, and then makes the drying also more even.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of the tower body in the present utility model.
FIG. 3 is a schematic view of the structure of the water film dust remover of the utility model.
FIG. 4 is a schematic structural view of a cyclone barrel in the present utility model.
Reference numerals: 1. a tower body; 2. a combustion furnace; 3. an air distribution chamber; 4. a cyclone dust collector; 5. a water film deduster; 6. a conical mounting rack; 7. a centrifugal atomizer; 8. a spiral wind barrel; 9. and a sprayer.
Detailed Description
The technical scheme of the utility model is further described in detail through the following specific embodiments.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. "mounting", "providing", "connecting" etc. may be by means conventional in the art, for example: integral arrangement, clamping installation, welding connection, bonding connection, bolt connection and the like. The specific meaning of the terms in the present utility model will be understood by those skilled in the art in specific cases, and suitable connection, arrangement or installation means will be selected in the prior art.
As shown in figures 1-4, an in-situ synthetic high-strength resin spray drying tower for precoated sand comprises a combustion furnace 2, an air distribution chamber 3, a tower body 1, a cyclone dust collector 4 and a water film dust collector 5 which are sequentially communicated, wherein a hot air distributor and a centrifugal atomizer 7 are arranged at the top of the tower body 1, the centrifugal atomizer 7 is communicated with liquid supply equipment, a sieve plate is arranged at the lower part of the tower body 1 so as to directly receive resin powder through the sieve plate, the material is received after the collection of dry resin with larger particles through a crushing procedure, an air inlet of the cyclone dust collector 4 is communicated with the inside of the tower body 1, and an air outlet of the cyclone dust collector 4 is communicated with the water film dust collector 5. Specifically, the upper outline of the tower body is cylindrical, and the lower part is conical.
The combustion furnace 2 dries air to form hot air, the hot air is conveyed to the hot air distributor through the air distribution chamber 3 to enter the tower body 1, the atomized resin sprayed out of the centrifugal atomizer 7 is dried to obtain dry resin, and a drying discharge hole is formed in the bottom of the tower body so as to facilitate discharging. The dust-containing gas in the tower body enters a cyclone dust collector for collection, and the gas discharged by the cyclone dust collector enters a water film dust collector 5 for dust removal and then is exhausted.
The combustion furnace 2 comprises a furnace body and a burner, wherein the furnace body is of a three-layer structure, the inner layer is an empty cylinder with two sealed ends, the burner is arranged at the front end of the inner layer, the rear end of the outer layer is provided with a first air inlet, the front end of the middle layer is provided with a second air inlet, the rear end of the middle layer is provided with an air outlet, and the air outlet is communicated with the air distribution chamber 3.
The spray drying tower for the in-situ synthesized high-strength resin for the precoated sand has higher thermal efficiency and lower energy consumption in the drying process of the in-situ synthesized high-strength resin for the precoated sand. Specifically, the furnace body is three-layer structure, and the combustor is located the front end of inlayer, and the air intake is located outer rear end, and the air inlet flows from the rear end to the front end and gets into the middle level earlier by the air intake, flows out by the air outlet of rear end at last, for conventional one side air inlet from the combustor, has improved thermal efficiency greatly.
In one embodiment, the middle layer includes a straight section and a tapered section, the straight section is located at the front end of the middle layer, the tapered section is located at the rear end of the middle layer, and the air outlet is located at the tapered tip end (i.e., the necking end) of the tapered section.
In one embodiment, a conical mounting frame 6 is arranged at the top of the tower body 1, and a centrifugal atomizer 7 and a spiral air duct 8 are arranged at the lower end of the conical mounting frame 6.
In one embodiment, the whole outline of the spiral air duct 8 is conical, the flaring end of the spiral air duct 8 is provided with an air inlet, the air inlet is communicated with the air distribution chamber 3 through a pipeline, the side wall of the spiral air duct 8 is uniformly provided with a plurality of air outlets, each air outlet is respectively provided with an air guide fin, each air guide fin is tangential to the spiral air duct, and each air guide fin is circumferentially distributed along the spiral air duct 8, so that hot air flows out from the tangential direction of the spiral air duct and is fully contacted with atomized resin.
In one embodiment, the centrifugal atomizer 7 is mounted on the inside of the conical mounting frame 6, and the cyclone barrel 8 is mounted on the outside of the conical mounting frame 6. The contact of the hot air and the atomized resin is more uniform, and the drying is more uniform.
In one embodiment, the water film dust remover 5 comprises a shell, an air inlet is formed in the bottom of the shell, an air outlet is formed in the top of the shell, the air inlet is communicated with an air outlet of the cyclone dust remover 4 through a fan, a sprayer 9 is arranged on the upper portion of the shell, and the sprayer 9 is communicated with a water tank through a pipeline and removes dust through spraying.
The above embodiments may be combined with each other.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (6)
1. The utility model provides a tectorial membrane sand is with normal position synthetic high-strength resin spray drying tower which characterized in that: the device comprises a combustion furnace, an air distribution chamber, a tower body, a cyclone dust collector and a water film dust collector which are sequentially communicated, wherein a hot air distributor and a centrifugal atomizer are arranged at the top of the tower body, the centrifugal atomizer is communicated with a liquid supply device, a sieve plate is arranged at the lower part of the tower body, an air inlet of the cyclone dust collector is communicated with the inside of the tower body, and an air outlet of the cyclone dust collector is communicated with the water film dust collector;
the combustion furnace dries air to form hot air, the hot air is conveyed to the hot air distributor through the air distribution chamber to enter the tower body, and the atomized resin sprayed by the centrifugal atomizer is dried to obtain dried resin;
the combustion furnace comprises a furnace body and a burner, wherein the furnace body is of a three-layer structure, the inner layer is an empty cylinder with two sealed ends, the burner is arranged at the front end of the inner layer, the rear end of the outer layer is provided with a first air inlet, the front end of the middle layer is provided with a second air inlet, the rear end of the middle layer is provided with an air outlet, and the air outlet is communicated with an air distribution chamber.
2. The spray drying tower for in-situ synthesis high-strength resin for precoated sand according to claim 1, wherein: the middle layer comprises a straight section and a conical section, the straight section is positioned at the front end of the middle layer, the conical section is positioned at the rear end of the middle layer, and the air outlet is positioned at the conical tip of the conical section.
3. The spray-drying tower for in-situ synthesis high-strength resin for precoated sand according to claim 1 or 2, wherein: the top of the tower body is provided with a conical mounting frame, and the lower end of the conical mounting frame is provided with a centrifugal atomizer and a spiral air duct.
4. A precoated sand in-situ synthetic high-strength resin spray drying tower as claimed in claim 3, wherein: the whole outline of the spiral dryer is the toper, and the air intake is seted up to the flaring end of spiral dryer, and this air intake passes through pipeline intercommunication air distribution chamber, and the lateral wall of spiral dryer evenly sets up a plurality of air outlets, and each air outlet is provided with the wind-guiding fin respectively, and each wind-guiding fin is arranged along spiral dryer circumference.
5. The spray drying tower for in-situ synthesis high-strength resin for precoated sand as claimed in claim 4, wherein: the centrifugal atomizer is installed in the inboard of toper mounting bracket, and the spiral dryer is installed in the outside of toper mounting bracket.
6. The spray-drying tower for in-situ synthesis high-strength resin for precoated sand according to any one of claims 1 or 2, wherein: the water film dust remover comprises a shell, wherein the bottom of the shell is provided with an air inlet which is communicated with an air outlet of the cyclone dust remover through a fan, the upper part of the shell is provided with a sprayer, and the sprayer is communicated with a water pool through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320988608.4U CN219924470U (en) | 2023-04-27 | 2023-04-27 | In-situ synthesis high-strength resin spray drying tower for precoated sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320988608.4U CN219924470U (en) | 2023-04-27 | 2023-04-27 | In-situ synthesis high-strength resin spray drying tower for precoated sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219924470U true CN219924470U (en) | 2023-10-31 |
Family
ID=88490324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320988608.4U Active CN219924470U (en) | 2023-04-27 | 2023-04-27 | In-situ synthesis high-strength resin spray drying tower for precoated sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219924470U (en) |
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2023
- 2023-04-27 CN CN202320988608.4U patent/CN219924470U/en active Active
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