CN112958000A - Continuous powder deposition coating device - Google Patents
Continuous powder deposition coating device Download PDFInfo
- Publication number
- CN112958000A CN112958000A CN202110322240.3A CN202110322240A CN112958000A CN 112958000 A CN112958000 A CN 112958000A CN 202110322240 A CN202110322240 A CN 202110322240A CN 112958000 A CN112958000 A CN 112958000A
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- Prior art keywords
- cooling
- reaction furnace
- feeder
- deposition coating
- coating device
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- 239000000843 powder Substances 0.000 title claims abstract description 30
- 230000008021 deposition Effects 0.000 title claims abstract description 17
- 239000011248 coating agent Substances 0.000 title claims abstract description 16
- 238000000576 coating method Methods 0.000 title claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 68
- 238000006243 chemical reaction Methods 0.000 claims abstract description 59
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 13
- 238000005070 sampling Methods 0.000 abstract description 7
- 239000003039 volatile agent Substances 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000010006 flight Effects 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/006—Coating of the granules without description of the process or the device by which the granules are obtained
Abstract
The invention discloses a continuous powder deposition coating device, which belongs to the technical field of water treatment and comprises a feeder, a reaction furnace and a cooling device; the left end of the reaction furnace is connected with the feeder, and the right end of the reaction furnace is connected with the cooling device; the periphery of the upper end part of the reaction furnace is also sleeved with a rotating gear. The invention provides a continuous powder deposition coating device, which conveys materials through airflow, improves the sampling speed, quickly conveys powder to a high-temperature area, and solves the problem of slow sampling; the powder and the volatile compound are premixed, and when the powder rapidly enters a high-temperature zone, the volatile compound is cracked and deposited on the surface and inside of the powder, so that the conventional deposition mode is changed, and the efficiency and the quality are improved.
Description
Technical Field
The invention belongs to the technical field of water treatment, and particularly relates to a continuous powder deposition coating device.
Background
The traditional powder surface or internal deposition usually adopts the method that powder enters at one end of a rotary furnace, and volatile compounds are introduced at the other end of the rotary furnace. The volatile compounds are deposited on the surface or in the powder after decomposition in the high-temperature section. The process drives the material to move by the rotation of the converter, the sampling speed is very low, the productivity is limited, and the stability of the deposition process has great change along with the productivity and the size of equipment.
Disclosure of Invention
The present invention is directed to a continuous powder deposition coating device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a continuous powder deposition coating device comprises a feeder, a reaction furnace and a cooling device; the left end of the reaction furnace is connected with the feeder, and the right end of the reaction furnace is connected with the cooling device; the periphery of the upper end part of the reaction furnace is also sleeved with a rotating gear;
the feeder consists of a sealed bin, a nitrogen making machine and a ceramic nozzle;
the reaction furnace comprises a reaction furnace body, a heat preservation layer, a heating layer, a feeding hole rotary joint, an outlet rotary joint and a reaction furnace discharging hole;
the cooling device comprises a cooling pipe body, a cooling feed inlet, a cooling jacket and a cooling discharge outlet.
Further, the reaction furnace is connected with a feeder through a feed inlet rotary joint; the reaction furnace is connected with the cooling feed inlet of the cooling device through a discharge hole of the reaction furnace.
Furthermore, a feeding jet pipe is also arranged in the reaction furnace and is connected with the ceramic nozzle.
Further, the heating layer is sleeved on the periphery of the reaction furnace body; the heat insulation layer is sleeved on the periphery of the heating layer; the end part of the feeding jet pipe extends into the reaction furnace body; and a wall threaded rotary sheet is also arranged in the reaction furnace body.
Further, the cooling jacket is sleeved on the periphery of the cooling pipe body; the cooling feed port and the cooling discharge port are communicated with the interior of the cooling pipe body; the cooling jacket is also provided with a cooling water inlet and a cooling water outlet; a conveying flood dragon is further arranged inside the cooling pipe body; and a transmission gear is further arranged on the outer flood dragon shaft of the cooling pipe body.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a continuous powder deposition coating device, which conveys materials through airflow, improves the sampling speed, quickly conveys powder to a high-temperature area, and solves the problem of slow sampling; the powder and the volatile compound are premixed, and when the powder rapidly enters a high-temperature zone, the volatile compound is cracked and deposited on the surface and inside of the powder, so that the conventional deposition mode is changed, and the efficiency and the quality are improved. The device is suitable for the fields of graphite modification coating, lithium battery anode material modification coating, graphene preparation, catalyst preparation and the like, the heating efficiency is obviously improved, compared with the traditional rotary furnace, the energy consumption is greatly reduced, the treatment capacity is increased, the equipment investment with the same treatment capacity is low, and the industrialization cost control is convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the feeder of the present invention.
FIG. 3 is a schematic view of the structure of the reaction furnace of the present invention.
Fig. 4 is a schematic structural diagram of the cooling device of the present invention.
In the figure: 1. a feeder; 2. a reaction furnace; 3. a cooling device; 4. a rotating gear; 101. sealing the stock bin; 102. a nitrogen making machine; 103. a ceramic nozzle; 201. a heat-insulating layer; 202. a heating layer; 203. a feed jet pipe; 204. a feed inlet rotary joint; 205. wall body screw thread rotary vane; 206. an outlet swivel; 207. a discharge hole of the reaction furnace; 208. a reaction furnace body; 301. cooling the feed inlet; 302. a cooling water outlet; 303. a cooling jacket; 304. a transmission gear; 305. cooling the tube body; 306. conveying a flood dragon; 307. cooling the water inlet; 308. and cooling the discharge hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, in an embodiment of the present invention, a continuous powder deposition coating apparatus includes a feeder 1, a reactor 2, and a cooling device 3; the left end of the reaction furnace 2 is connected with the feeder 1, and the right end is connected with the cooling device 3; the periphery of the upper end part of the reaction furnace 2 is also sleeved with a rotating gear 4.
The feeder 1 consists of a sealed silo 101, a nitrogen making machine 102 and a ceramic nozzle 103.
The volume of the sealed storage bin 101 is 0.01-0.1 m3(ii) a Is made of stainless steel materials, and is lined with anticorrosive materials, wherein the stainless steel materials include but are not limited to 304, 310S and 316L; and (4) lining with ceramic.
The nitrogen purity of the nitrogen making machine is more than 99.999 percent, and the air pressure is 0.2-1 MPa.
The reaction furnace 2 comprises a reaction furnace body 208, an insulating layer 201, a heating layer 202, a feeding hole rotary joint 204, an outlet rotary joint 206 and a reaction furnace discharging hole 207.
The cooling device 3 comprises a cooling pipe body 305, a cooling feed inlet 301, a cooling jacket 303 and a cooling discharge outlet 308.
The reaction furnace 2 is connected with the feeder 1 through a feed inlet rotary joint 204; the reaction furnace 2 is connected with the cooling feed inlet 301 of the cooling device 3 through the reaction furnace discharge hole 207.
The reactor 2 is also provided with a feeding jet pipe 203, and the feeding jet pipe 203 is connected with the ceramic nozzle 103.
The heating layer 202 is sleeved on the periphery of the reaction furnace body 208; the insulating layer 201 is sleeved on the periphery of the heating layer 202; the end of the feed jet pipe 203 extends into the reaction furnace body 208; the interior of the reaction furnace body 208 is also provided with wall screw flights 205.
The cooling jacket 303 is sleeved on the periphery of the cooling pipe body 305; the cooling feed inlet 301 and the cooling discharge outlet 308 are both communicated with the interior of the cooling pipe body 305; the cooling jacket 303 is also provided with a cooling water inlet 307 and a cooling water outlet 302; a conveying flood dragon 306 is also arranged in the cooling pipe body 305; a transmission gear 304 is further arranged on the outer flood dragon shaft of the cooling pipe body 305.
The working principle of the device is as follows:
firstly, pre-treated powder is thrown into a reaction furnace 2 through a feeder 1, a nitrogen making machine 102 in the feeder 1 provides high-pressure nitrogen, and the sampling speed and the sampling amount are adjusted by adjusting the pressure of the nitrogen and the diameter of a nozzle. The reaction furnace body 208 of the reaction furnace 2 is composed of 310S or ceramics, the diameter is 5-50cm, the length is 3-20m, the reaction furnace body is mainly used as a reaction place, a heating layer 202 and a heat insulation layer 201 are sleeved outside the tube of the reaction furnace body 208, a rotating gear 4 is further sleeved on the periphery of the upper end of the reaction furnace 2, and the rotating gear 4 drives the whole body to rotate in a transmission mode. The upper part of the discharge end of the reaction furnace 2 is a waste gas discharge port which is connected to a waste gas treatment system, and the lower end of the reaction furnace is connected to the cooling device 3 through a pipeline. The heating part is arranged in the 1/3-2/3 region of the reaction furnace body 208 and can be heated to 500-1100 ℃. The material that lets in into retort 2 is carried the heating section fast, thereby deposit in the surface and the inside of powder with the quick schizolysis of the volatile compound that the material mixes to realize deposit cladding reaction, the material that reacts sends out through wall body screw thread spinning 205 and enters into cooling device 3 in. The cooling device 3 comprises a cooling pipe body 305 with the diameter of 30-60cm and the length of 3-6m, and the material of the cooling pipe body 305 includes, but is not limited to 304, 310S and 316L; a cooling jacket 303 is arranged outside, and after cooling treatment of the cooling jacket 303, the materials are stirred and output through a conveying flood dragon 306; the delivery auger 306 materials include, but are not limited to 304, 310S, 316L, etc.
The whole system is sealed, nitrogen is introduced in advance, and the heating section of the reaction furnace is heated to a set temperature. The powder is rapidly conveyed to the heating section by air pressure conveying, and the volatile compound obtained by premixing the powder with the material is rapidly cracked and deposited on the surface and the inside of the powder. The rotating speed of the reaction furnace tube is adjusted to control the discharging speed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A continuous powder deposition coating device is characterized by comprising a feeder (1), a reaction furnace (2) and a cooling device (3); the left end of the reaction furnace (2) is connected with the feeder (1), and the right end is connected with the cooling device (3); the periphery of the upper end part of the reaction furnace (2) is also sleeved with a rotating gear (4);
the feeder (1) consists of a sealed bin (101), a nitrogen making machine (102) and a ceramic nozzle (103);
the reaction furnace (2) comprises a reaction furnace body (208), a heat insulation layer (201), a heating layer (202), a feeding hole rotary joint (204), an outlet rotary joint (206) and a reaction furnace discharging hole (207);
the cooling device (3) comprises a cooling pipe body (305), a cooling feeding hole (301), a cooling jacket (303) and a cooling discharging hole (308).
2. The continuous powder deposition coating device according to claim 1, wherein the reaction furnace (2) is connected with the feeder (1) through a feed inlet rotary joint (204); the reaction furnace (2) is connected with a cooling feed inlet (301) of the cooling device (3) through a reaction furnace discharge hole (207).
3. The continuous powder deposition coating device according to claim 2, wherein a feed jet pipe (203) is further arranged in the reaction furnace (2), and the feed jet pipe (203) is connected with the ceramic nozzle (103).
4. The continuous powder deposition coating device as claimed in claim 3, wherein the heating layer (202) is sleeved on the periphery of the reaction furnace body (208); the heat-insulating layer (201) is sleeved on the periphery of the heating layer (202); the end part of the feed jet pipe (203) extends into the reaction furnace body (208); and a wall body thread rotary vane (205) is also arranged in the reaction furnace body (208).
5. The continuous powder deposition coating device as claimed in claim 4, wherein the cooling jacket (303) is sleeved on the periphery of the cooling pipe body (305); the cooling feed inlet (301) and the cooling discharge outlet (308) are communicated with the interior of the cooling pipe body (305); the cooling jacket (303) is also provided with a cooling water inlet (307) and a cooling water outlet (302); a conveying flood dragon (306) is further arranged inside the cooling pipe body (305); and a transmission gear (304) is further arranged on an external flood dragon shaft of the cooling pipe body (305).
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CN202110322240.3A CN112958000A (en) | 2021-03-25 | 2021-03-25 | Continuous powder deposition coating device |
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CN202110322240.3A CN112958000A (en) | 2021-03-25 | 2021-03-25 | Continuous powder deposition coating device |
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2021
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