CN208747636U - A kind of quick production titanium carbonitride, the device for nitrogenizing powder - Google Patents
A kind of quick production titanium carbonitride, the device for nitrogenizing powder Download PDFInfo
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- CN208747636U CN208747636U CN201820833402.3U CN201820833402U CN208747636U CN 208747636 U CN208747636 U CN 208747636U CN 201820833402 U CN201820833402 U CN 201820833402U CN 208747636 U CN208747636 U CN 208747636U
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Abstract
The utility model discloses a kind of quickly production titanium carbonitrides, the device of nitridation powder, comprising: reactor is the square structure of inner hollow；Fluid distributor, setting is in reactor lower part, and the top of reactor bottom surface inner wall and separated is arranged in bottom surface；Pressure control device is arranged in the side of the fluid distributor, the outside of the reactor, and is connected to the entrance in the fluid distributor；Wherein, it is communicated with the more vent lines being parallel to each other on the fluid distributor, and is provided with multiple ventholes equidistantly arranged on the vent line.Nitrogen comes into full contact with powder, controls suitable air pressure, and powder is made to be in fluidized state without flying upward powder, can make powder nitridation completely, while shortening the pyroreaction time.
Description
Technical field
The utility model relates to a kind of device for quickly producing titanium carbonitride, nitrogenizing powder, belongs to chemical production field.
Background technique
Titanium carbonitride, titanium nitride based ceramic metal have high-melting-point, high rigidity, and low friction wearing character is cutting it
Cutter, hot pressing die aspect have biggish application value.Especially in terms of cutting tool, titanium carbonitride, nitridation titanium-based metal pottery
Porcelain becomes the material of substitution WC-Co hard alloy with its high rigidity, high red hardness, wearability.China's titanium carbonitride, nitridation titanium-based
The research and development of cermet are started late, and only a small number of manufacturers have production capacity, and the performance of product compares same kind of products at abroad
There is larger gap.Therefore, high-purity is researched and developed, stable and controllable for quality, titanium carbonitride, the titanium nitride based ceramic metal tool haveing excellent performance
There is biggish value.
But the titanium carbonitride of high comprehensive performance, titanium nitride based ceramic metal are prepared, one of key seeks to close
At high-purity out, fine granularity, narrow particle size distribution, performance be stable, the good titanium carbonitride of sintering character, titanium nitride ceramic powder.
The powder raw material of high quality is the prerequisite for obtaining premium quality product, the preparation method of titanium carbonitride, titanium nitride ceramic powder
There are carbothermic method, chemical vapour deposition technique, self-propagating high-temperature synthesis (SHS), mechanical alloying (MA), machinery to induce from climing
Prolong that reaction (MSR), chemical synthesis etc. are a variety of, wherein the powder of carbothermic method preparation is in purity, granularity and pattern, agglutinating property
Energy etc. has greater advantage, and cost is relatively low for this method, suitable for scale production.But traditional carbothermic method prepares titanium nitride
Powder, which is generallyd use, realizes that continuous nitride produces by open type carbon shirt-circuiting furnace high-temperature region for the mode that raw material is laid on material boat, this
Although method can be with continuous production, the powder nitriding rate produced is low, is readily incorporated oxygen impurities, and equipment occupation space is big etc.；
In addition " utilizing the method for fluidization ordinary pressure continuous synthesizing silicon nitride powder " of Wang Li of University of Science & Technology, Beijing et al. invention
(Chinese patent grant number is CN 100351170C) is high temperature fluidized although can also be used to production titanium carbonitride, titanium nitride
Difficulty, need to purchase complete equipment and manufacturing technology difficulty is high, and nitridation time is short need to repeat to nitrogenize, and furthermore prepared by carbothermic method
Powder is also usually laid in by titanium nitride powder expects that be passed through nitrogen on boat is produced with carbothermic reduction furnace, but the method production efficiency,
Production capacity is low, and the nitridation of bottom powder is uneven.Therefore, this method remains to be further improved.
Meanwhile the reaction of carbon nitrogen is occurring, when being passed through nitrogen, due to various factors, often there are some greater particle sizes
Powder, or since the powder that many reasons are sintered can flock together to form one or more biggish powder, be passed through
When nitrogen, powder is had at nitrogen mouth and is adhered to but nitrogen mouth, the time, which has been grown, can block nitrogen or Partial Blocking nitrogen outlet,
Influence progress and the reaction efficiency of reaction.
Utility model content
The device that the utility model has designed and developed a kind of quick production titanium carbonitride, nitrogenized powder, can overcome existing dress
Set the problems such as powder nitridation is uneven, efficiency of nitridation is low in production.
Another goal of the invention of the utility model prevents venthole to be blocked,.
Technical solution provided by the utility model are as follows:
A kind of quick production titanium carbonitride, the device for nitrogenizing powder, comprising:
Reactor is the square structure of inner hollow；
Fluid distributor is arranged in reactor lower part, and the top of reactor bottom surface inner wall is arranged in simultaneously in bottom surface
It is separated；
Pressure control device is arranged in the side of the fluid distributor, the outside of the reactor, and is connected in institute
State the entrance of fluid distributor；
Wherein, the more vent lines being parallel to each other are communicated on the fluid distributor, and on the vent line
It is provided with multiple ventholes equidistantly arranged.
Preferably, the bottom and two sides of the vent line is arranged in the venthole.
Preferably, the venthole is sequentially reduced by the area of section of the tube wall interior of the pipeline, can
Prevent powder from entering the venthole.
Preferably, filter device is removably connected on the venthole.
Preferably, the filter device is the net surfaces to raise upward, is capable of increasing the outlet range of venthole.
Preferably, the reactor uses graphite boat material.
Preferably, the vent line uses carbon tube material.
Preferably, the distance of bottom surface inner wall of the fluid distributor apart from the reactor is 10mm.
Preferably, the spacing of the two neighboring venthole is 20mm.
It is described in the utility model the utility model has the advantages that first is that this device manufacture and design it is convenient and simple, be applied to atmosphere sintering furnace
Or carbothermic reduction furnace, it does not need to be transformed furnace body, reactor and fluid distributor can be set according to applied furnace cavity
Meter is made as suitable size, shape；Second is that nitrogen comes into full contact with powder, suitable air pressure is controlled, powder is made to be in fluidised form
Change state can make powder nitridation completely without flying upward powder, while shorten the pyroreaction time；Third is that using carbon thermal reduction
When reaction method prepares titanium carbonitride, titanium nitride powder, the selection in titania source and carbon black source is to titanium carbonitride, nitridation titanium valve product
Quality influence very big, the utility model uses wet grinding first, then granulating and drying, controls the partial size point of dry powder
Cloth ensure that powder fluidization is abundant between 10 μm~50 μm, and nitridation is uniform；Fourth is that reactor can load a large amount of powders, from
And greatly improve production production capacity and efficiency.
Detailed description of the invention
Fig. 1 be quick production titanium carbonitride described in the utility model, nitrogenize powder device structural schematic diagram.
Fig. 2 is the top view that a kind of Rapid Nitriding described in the utility model produces titanium carbonitride, the device for nitrogenizing titanium valve.
Fig. 3 is the A-A section view that a kind of Rapid Nitriding described in the utility model produces titanium carbonitride, the device for nitrogenizing titanium valve
Figure.
Fig. 4 is the B-B section view that a kind of Rapid Nitriding described in the utility model produces titanium carbonitride, the device for nitrogenizing titanium valve
Figure.
Fig. 5 is the structural schematic diagram of venthole described in the utility model.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
As shown in Figs. 1-5, the utility model provides a kind of device for quickly producing titanium carbonitride, nitrogenizing powder, comprising: reaction
Device 100, fluid distributor 200, vent line 210, distributor inlet 220, venthole 211 and net surfaces 212.
Reactor 100 is the square structure of inner hollow, can be used in atmosphere sintering furnace or carbothermic reduction furnace, when in use
It does not need to be transformed furnace body, can be designed and produced according to applied furnace cavity as suitable size, shape.
100 lower part of reactor is arranged in fluid distributor 200, its bottom surface is higher than the inner wall of 100 bottom surface of reactor,
The top of 100 bottom surface inner wall of reactor is set, and is separated with the bottom surface inner wall of reactor 100.Fluid distributor entrance 220
The side of fluid distributor is set, it is vertical with fluid distributor 200, and the outside of reactor 100 is set.
In the present invention, as a preference, reactor 100 uses graphite boat material.
In the present invention, as a preference, bottom surface inner wall of the fluid distributor 200 apart from the reactor 100
Distance be 10mm.
Fluid distributor 200 is square structure, and one side is vertically connected with air inlet 220, sets on fluid distributor 200
The more vent lines being parallel to each other 210 are equipped with, pressure control device is connected to the air inlet 220 in fluid distributor.
On the every vent line 210 of fluid distributor 200, it is uniformly placed with multiple nitrogen ventholes at equal intervals
211, the bottom and two sides of vent line 210 is arranged in venthole 211, meanwhile, venthole 211 by vent line 210 pipe
Pars intramuralis is sequentially reduced to outside, the i.e. area of section of venthole 211 from inside to outside, can more be prevented in reaction process in this way
In, have bulk perhaps because various factors aggregation reaction powdered block be blocked on venthole 211 hinder reaction carry out or
Influence the efficiency of reaction.
Meanwhile on venthole 211, it is removably connected with filter device 212, filter device 212 is the song to raise upward
Face can increase the area radiated when gas is blown out from venthole 211 in this way, carry out reaction more thorough, efficiency is more
It is high.
In the present invention, as a preference, the spacing of two neighboring venthole 211 is 20mm.
In the present invention, as a preference, vent line 210 uses carbon tube material
When carrying out production titanium carbonitride, nitridation powder, the dried titanium oxide powder of ground and mixed and carbon black are filled into instead
It answers in device 100, nitridation device is put in atmosphere sintering furnace or carbothermic reduction furnace, will vacuumize in furnace and then heat up, when reaching
When reaction temperature, nitrogen is connected to fluid distributor entrance, suitable air pressure is adjusted by pressure control device, is guaranteed powder
Body fluidization is kept in furnace at one atm, held for some time without flying upward, and is closed nitrogen and is vacuumized, then fastly
Prompt drop warms to room temperature, and obtains required titanium carbonitride, nitridation titanium valve.
Since the present apparatus can be applied to atmosphere sintering furnace or carbothermic reduction furnace, do not need to be transformed furnace body,
Reactor and fluid distributor can be designed and produced according to applied furnace cavity as suitable size, shape；Meanwhile nitrogen and powder
Body comes into full contact with, and controls suitable air pressure by pressure control device, and powder is made to be in fluidized state without flying upward powder,
It can make powder nitridation completely, while shorten the pyroreaction time.
When preparing titanium carbonitride, titanium nitride powder using carbothermic reduction reaction method, the selection pair of titania source and carbon black source
Titanium carbonitride, the quality influence for nitrogenizing titanium valve product are very big,
As a preference, the utility model uses wet grinding first, then granulating and drying, controls the grain of dry powder
Diameter is distributed between 10 μm~50 μm, ensure that powder fluidization is abundant, and nitridation is uniform.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (5)
1. a kind of quickly production titanium carbonitride, the device for nitrogenizing powder characterized by comprising
Reactor is the square structure of inner hollow；
Fluid distributor, setting in reactor lower part, and bottom surface be arranged in reactor bottom surface inner wall top and and its
Separation；
Pressure control device, connection are connected in the side of the fluid distributor, the outside of the reactor in the stream
The entrance of body distributor；
Wherein, it is communicated with the more vent lines being parallel to each other on the fluid distributor, and is provided on the vent line
Multiple ventholes equidistantly arranged；
The bottom and two sides of the vent line is arranged in the venthole；Inside tube wall of the venthole by the pipeline
It is sequentially reduced to external area of section, can prevent powder aggregation from entering the venthole；
Filter device is removably connected on the venthole；The filter device is the net surfaces to raise upward, is capable of increasing
The outlet range of venthole.
2. quick production titanium carbonitride according to claim 1, the device for nitrogenizing powder, which is characterized in that the reactor
Using graphite boat material.
3. quick production titanium carbonitride according to claim 2, the device for nitrogenizing powder, which is characterized in that the snorkel
Road uses carbon tube material.
4. quick production titanium carbonitride according to claim 3, the device for nitrogenizing powder, which is characterized in that the fluid point
The distance of bottom surface inner wall of the cloth device apart from the reactor is 10mm.
5. quick production titanium carbonitride according to claim 4, the device for nitrogenizing powder, which is characterized in that two neighboring institute
The spacing for stating venthole is 20mm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820266171 | 2018-02-24 | ||
| CN2018202661712 | 2018-02-24 |
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| CN208747636U true CN208747636U (en) | 2019-04-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113387337A (en) * | 2021-05-25 | 2021-09-14 | 宝鸡泉兴钛业股份有限公司 | Equipment and process method for preparing high-titanium-nitride powder by titanium powder nitriding method |
| CN115196606A (en) * | 2022-07-29 | 2022-10-18 | 株洲托普硬质合金材料有限公司 | Preparation method and equipment of high-performance titanium carbonitride |
-
2018
- 2018-05-31 CN CN201820833402.3U patent/CN208747636U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113387337A (en) * | 2021-05-25 | 2021-09-14 | 宝鸡泉兴钛业股份有限公司 | Equipment and process method for preparing high-titanium-nitride powder by titanium powder nitriding method |
| CN115196606A (en) * | 2022-07-29 | 2022-10-18 | 株洲托普硬质合金材料有限公司 | Preparation method and equipment of high-performance titanium carbonitride |
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