CN210104045U - Reverse circulation double-push vanadium-nitrogen alloy production device - Google Patents
Reverse circulation double-push vanadium-nitrogen alloy production device Download PDFInfo
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- CN210104045U CN210104045U CN201920895436.XU CN201920895436U CN210104045U CN 210104045 U CN210104045 U CN 210104045U CN 201920895436 U CN201920895436 U CN 201920895436U CN 210104045 U CN210104045 U CN 210104045U
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Abstract
The utility model discloses a two vanadium nitrogen alloy apparatus for producing that push away of reverse circulation, including passageway room body A and passageway room body B, passageway room body A and passageway room body B reverse setting and both all link gradually the preheating section, the section of heating up, carbon nitriding section and cooling zone, the preheating section is connected on the feeding seal chamber, the feeding seal chamber is connected on the feeding slide rail, be connected with ejection of compact seal chamber on the cooling zone, the ejection of compact seal chamber is connected with ejection of compact slide rail, passageway room body A's feeding slide rail is linked together with passageway room body B's ejection of compact slide rail, passageway room body B's feeding slide rail and passageway room body A's ejection of compact slide rail link to each other, be equipped with water cooling system in the cooling zone, passageway room body A's water cooling system links to each other with passageway room body B's preheating section, passageway room body B's water cooling system links to each other with passageway room body A. The utility model has the advantages that: the energy consumption is reduced, the construction cost is saved, the labor cost is saved, and the production efficiency is improved.
Description
Technical Field
The utility model relates to a vanadium nitrogen alloy technical field, especially a reverse circulation double push vanadium nitrogen alloy apparatus for producing reaches.
Background
Vanadium-nitrogen alloy and vanadium nitride, the vanadium-nitrogen alloy is a novel alloy additive and can replace ferrovanadium to produce alloyed steel. The vanadium nitride is added to improve the comprehensive mechanical properties of the steel, such as strength, toughness, ductility, thermal fatigue resistance and the like, and the steel has good weldability. Under the condition of achieving the same strength, the vanadium-nitrogen alloy is added, so that the addition of vanadium and nitrogen can be saved by 30-40%, and the cost is reduced; at present, 32 vanadium-nitrogen alloy production enterprises exist in China.
At present, the vanadium-nitrogen alloy is usually produced by preheating by using a secondary cellar and carbonizing and nitriding sintering by using a single-channel chamber body, and is limited by processes and equipment, so that the construction cost and the energy consumption are high, but the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a reverse circulation double push vanadium nitrogen alloy apparatus for producing that reduces the energy consumption, practices thrift the cost, improves work efficiency.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a reverse circulation double push vanadium nitrogen alloy apparatus for producing, includes the binary channels room body, pneumatic propulsion jar, temperature control system, furnace pressure control system and nitrogen gas system, the internal furnace pressure control system and the temperature control system of being provided with of binary channels room, its characterized in that: the double-channel chamber body comprises a channel chamber body A and a channel chamber body B, the channel chamber body A and the channel chamber body B are reversely arranged and are sequentially connected with a preheating section, a heating section, a carbon nitriding section and a cooling section, the preheating section is connected to a feeding sealing chamber, the feeding sealing chamber is connected to a feeding slide rail, the cooling section is connected to a discharging sealing chamber, the discharging sealing chamber is connected to a discharging slide rail, the feeding slide rail of the channel chamber body A is communicated with the discharging slide rail of the channel chamber body B, the feeding slide rail of the channel chamber body B is connected to the discharging slide rail of the channel chamber body A, pushing cylinders are arranged in the feeding slide rail, the discharging slide rail, the feeding sealing chamber and the discharging sealing chamber, a water cooling system is arranged in the cooling section, a water inlet pipe A and a water outlet pipe A are arranged in the water cooling system, a preheating system is arranged in the preheating section, and a water inlet B and a water, a water inlet A in the channel chamber body A is connected with a water outlet B of the channel chamber body B, the water outlet A of the channel chamber body A is connected with the water inlet B of the channel chamber body B, the nitrogen system is respectively connected with the double-channel chamber body, the feeding sealing chamber and the discharging sealing chamber, and a material moving device is further arranged in the double-channel chamber body.
And supports are arranged below the feeding slide rail and the discharging slide rail.
And the feeding sealing chamber and the discharging sealing chamber are provided with sealing gates.
Exhaust holes are arranged in the preheating section and the temperature rising section.
The temperature control system comprises a silicon-carbon heating rod and a silicon-molybdenum heating rod, three rows of silicon-carbon heating rods are arranged in the temperature rising section, three rows of silicon-molybdenum heating rods are arranged in the carbon nitriding section, and the silicon-carbon heating rods and the silicon-molybdenum heating rods are connected with the isolation transformers corresponding to the silicon-carbon heating rods and the silicon-molybdenum heating rods.
The nitrogen system is connected with the double-channel chamber body through a nitrogen hole arranged on the carbon nitriding section.
The passage chamber body A and the passage chamber body B both adopt heat-insulating walls, the heat-insulating walls are made of heat-resistant high materials, and a shell is arranged outside the heat-insulating walls.
The utility model has the advantages of it is following:
(1) the reverse double-channel chamber body is arranged, waste heat obtained by the cooling section in the channel chamber body A is used for preheating the preheating section in the channel chamber body B, and waste heat obtained by the cooling section in the channel chamber body B is used for preheating the preheating section in the channel chamber body A, so that the energy consumption is saved.
(2) The reverse double-channel chamber body is arranged, preheating of the auxiliary cellar is cancelled, the preheating stage in the auxiliary cellar is added into the reverse double-channel chamber body, under the condition of the same production energy, the reverse double-channel chamber body is 70% of the investment cost of the channel chamber body, the cost is saved, and the production efficiency is greatly improved;
(3) through setting up and pushing away material cylinder and material mobile device, realized full-automatic circulation business turn over material, practice thrift a large amount of cost of labor.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure, 1-channel chamber body A, 2-channel chamber body B, 3-preheating section, 4-heating section, 5-carbonitriding section, 6-cooling section, 7-feeding sealing chamber, 8-feeding track, 9-discharging sealing chamber, 10-discharging track, 11-pushing cylinder, 12-sealing gate, 13-exhaust hole, 14-nitrogen hole and 15-material.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
as shown in figure 1, the reverse circulation double-push vanadium-nitrogen alloy production device comprises a double-channel chamber body, a pneumatic propulsion cylinder, a temperature control system, a furnace pressure control system and a nitrogen system, wherein the furnace pressure control system and the temperature control system are arranged in the double-channel chamber body, the double-channel chamber body include the channel chamber body A1 and the channel chamber body B2, channel chamber body A1 and channel chamber body B2 reverse setting and both link gradually preheating section 3, the section of heating up 4, carbon nitriding section 5 and cooling zone 6, preheating section 3 is connected on feeding seal chamber 7, feeding seal chamber 7 is connected on feeding slide rail 8, feeding track 8 below is provided with the support, be connected with ejection of compact seal chamber 9 on the cooling zone 6, ejection of compact seal chamber 9 is connected with ejection of compact slide rail 10, ejection of compact slide rail 10 below is provided with the support, feeding slide rail 8 and the ejection of compact slide rail 10 of channel chamber body B2 of channel chamber body A1 are linked together, feeding slide rail 8 and the ejection of compact slide rail 10 of channel chamber body A1 of channel chamber body B2 link to each other. All be provided with in feeding slide rail 8, ejection of compact slide rail 10, the sealed room of feeding 7 and the sealed room of ejection of compact 9 and promote cylinder 11, still be provided with material mobile device in the binary channels room body for promote the removal of material 15, realize full automatization material loading, the ejection of compact, practice thrift the cost of labor.
Temperature control system include silicon carbon heating rod and silicon molybdenum heating rod, be provided with three rows of silicon carbon heating rod in the intensification section 4, be provided with three rows of silicon molybdenum heating rod in the carbonitriding section 5, silicon carbon heating rod and silicon molybdenum heating rod all link to each other with the corresponding isolation transformer of self, heat intensification section 4 through three rows of silicon carbon heating rod, heat carbonitriding section 5 through three rows of silicon molybdenum heating rod.
The nitrogen system is respectively connected with the double-channel chamber body, the feeding sealing chamber 7 and the discharging sealing chamber 9, and the feeding sealing chamber 7 and the discharging sealing chamber 9 are respectively provided with a sealing gate 12. When the material 15 needs to be pushed into the feeding sealing chamber 7, the sealing valve 3 adjacent to the preheating section 3 is closed, the sealing valve 3 adjacent to the feeding slide rail 8 is opened at the same time, after the material 15 is pushed into the feeding sealing chamber 7, the sealing valve 3 adjacent to the feeding slide rail 8 is also closed, and nitrogen is flushed into the feeding sealing chamber 7 through a nitrogen system, so that redundant air is removed, air cannot enter the double-channel chamber body, and the reaction of the material 15 cannot be interfered. The discharge seal chamber 9 ensures that air does not enter the dual channel chamber in a similar manner.
The cooling section 6 is internally provided with a water cooling system, the water cooling system is internally provided with a water inlet pipe A and a water outlet pipe A, the preheating section 3 is internally provided with a preheating system, the preheating system is provided with a water inlet B and a water outlet B, the water inlet A in the channel chamber A1 is connected with the water outlet B of the channel chamber B2, and the water outlet A of the channel chamber A1 is connected with the water inlet B of the channel chamber B2. The residual heat in the cooling section 6 in the channel chamber body A1 is used for preheating the preheating section 3 in the channel chamber body B2, and the residual heat in the cooling section 6 in the channel chamber body B2 is used for preheating the preheating section 3 in the channel chamber body A1, so that the energy consumption is reduced; and the channel chamber body A1 and the channel chamber body B2 are arranged adjacently in reverse directions, the cooling section 6 in the channel chamber body A1 is arranged adjacent to the preheating section 3 in the channel chamber body B2, and the cooling section 6 in the channel chamber body B2 is arranged adjacent to the preheating section 3 in the channel chamber body A1, so that the natural loss of waste heat is reduced, and the energy consumption is further reduced.
And exhaust holes 13 are formed in the preheating section 3 and the heating section 4. When the material 15 is preheated in the preheating section 3, redundant moisture in the material is evaporated, and the evaporated moisture is discharged through the exhaust hole 13; when the material 15 undergoes a reduction reaction in the temperature rising section 4, carbon monoxide and a small amount of carbon dioxide gas are produced, both of which are also removed through the vent hole 13.
The nitrogen system is connected with the double-channel chamber body through a nitrogen hole 14 formed in the carbon nitriding section 5, and nitrogen is injected into the carbon nitriding section 5 in the double-channel chamber body through the nitrogen hole 14.
The passage chamber body A1 and the passage chamber body B2 both adopt heat-insulating walls, the heat-insulating walls are made of heat-resistant high materials, and a shell is arranged outside the heat-insulating walls.
The production process of the reverse circulation double-push vanadium-nitrogen alloy production device comprises the following steps:
s1, batching: uniformly mixing vanadium pentoxide powder, graphite, an oxidation promoter, a sodium silicate aqueous solution and iron powder according to the proportion of 100:25:4:12:1, pressing into a flat ball shape, and naturally drying to obtain a material 15 with the water content of less than 6%;
s2, feeding: the material 15 is placed on the feeding slide rail 8, the material 15 is pushed to the feeding sealing chamber 7 through the pushing cylinder 11, the feeding sealing chamber 7 exhausts air through a nitrogen system, and the material 15 is pushed to the preheating section 3 of the double-channel chamber body through the pushing cylinder 11.
S3, preheating: the preheating system is used for keeping the temperature of the preheating section 3 at 300 +/-30 ℃, preheating materials, wherein the materials can generate steam during preheating, the steam is discharged 13 through a vent hole, and the preheated materials 15 are transferred to the heating section 4;
s4, heating reduction: heating the temperature rising section 4 by a silicon-carbon heating rod in the temperature control system, keeping the temperature of the temperature rising section 4 at 300-1250 ℃, carrying out reduction reaction on materials in the temperature rising section 4 to generate vanadium carbon compounds, carbon monoxide and carbon dioxide, discharging the carbon monoxide and the carbon dioxide through an exhaust hole 13, and transferring the vanadium carbon compounds to a carbon nitriding section 5;
s5, nitriding and sintering: introducing nitrogen into the carbon nitriding section 5 through the nitrogen hole 14, reacting the nitrogen with the vanadium-carbon compound to generate vanadium-nitrogen alloy, and transferring the generated vanadium-nitrogen alloy to the cooling section 6;
s6, cooling and discharging: the vanadium-nitrogen alloy is cooled by the water cooling system, the waste heat generated during cooling is used for preheating the preheating section 6 in the other channel chamber body, the cooled vanadium-nitrogen alloy is transferred to the discharging sealing chamber 9, and the vanadium-nitrogen alloy in the discharging sealing chamber 9 is pushed to the discharging slide rail 10 through the pushing cylinder 11.
The pressure in the preheating section 3, the temperature rising section 4, the carbon nitriding section 5 and the cooling section 6 is kept at 150 Pa +/-50 Pa.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (7)
1. The utility model provides a reverse circulation double push vanadium nitrogen alloy apparatus for producing, includes the binary channels room body, pneumatic propulsion jar, temperature control system, furnace pressure control system and nitrogen gas system, the internal furnace pressure control system and the temperature control system of being provided with of binary channels room, its characterized in that: the double-channel chamber body comprises a channel chamber body A (1) and a channel chamber body B (2), the channel chamber body A (1) and the channel chamber body B (2) are reversely arranged and are sequentially connected with a preheating section (3), a temperature rising section (4), a carbon nitriding section (5) and a cooling section (6), the preheating section (3) is connected to a feeding sealing chamber (7), the feeding sealing chamber (7) is connected to a feeding sliding rail (8), the cooling section (6) is connected with a discharging sealing chamber (9), the discharging sealing chamber (9) is connected with a discharging sliding rail (10), the feeding sliding rail (8) of the channel chamber body A (1) is communicated with the discharging sliding rail (10) of the channel chamber body B (2), the feeding sliding rail (8) of the channel chamber body B (2) is connected with the discharging sliding rail (10) of the channel chamber body A (1), the feeding sliding rail (8), the discharging sliding rail (10), the feeding sealing chamber (7) and the discharging sealing chamber (9) are respectively provided with a pushing cylinder (11), cooling zone (6) in be equipped with water cooling system, be provided with inlet tube A and outlet pipe A among the water cooling system, preheating zone (3) in be provided with preheating system, preheating system is provided with water inlet B and delivery port B, the delivery port B of water inlet A and passageway room body B (2) links to each other in the passageway room body A (1), the delivery port A of passageway room body A (1) links to each other with the water inlet B of passageway room body B (2), nitrogen system link to each other with the binary channels room body, feed seal chamber (7) and ejection of compact seal chamber (9) respectively, still be provided with material mobile device in the binary channels room body.
2. The reverse circulation double-push vanadium-nitrogen alloy production device according to claim 1, characterized in that: and supports are arranged below the feeding slide rail (8) and the discharging slide rail (10).
3. The reverse circulation double-push vanadium-nitrogen alloy production device according to claim 1, characterized in that: and the feeding sealing chamber (7) and the discharging sealing chamber (9) are provided with sealing gates (12).
4. The reverse circulation double-push vanadium-nitrogen alloy production device according to claim 1, characterized in that: exhaust holes (13) are arranged in the preheating section (3) and the heating section (4).
5. The reverse circulation double-push vanadium-nitrogen alloy production device according to claim 1, characterized in that: the temperature control system comprises a silicon-carbon heating rod and a silicon-molybdenum heating rod, three rows of silicon-carbon heating rods are arranged in the temperature rising section (4), three rows of silicon-molybdenum heating rods are arranged in the carbon nitriding section (5), and the silicon-carbon heating rods and the silicon-molybdenum heating rods are connected with the isolation transformers corresponding to the silicon-carbon heating rods and the silicon-molybdenum heating rods.
6. The reverse circulation double-push vanadium-nitrogen alloy production device according to claim 1, characterized in that: the nitrogen system is connected with the double-channel chamber body through a nitrogen hole (14) arranged on the carbon nitriding section (5).
7. The reverse circulation double-push vanadium-nitrogen alloy production device according to claim 1, characterized in that: the passage chamber body A (1) and the passage chamber body B (2) both adopt heat-insulating walls, the heat-insulating walls are made of heat-resistant high materials, and a shell is arranged outside the heat-insulating walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920895436.XU CN210104045U (en) | 2019-06-14 | 2019-06-14 | Reverse circulation double-push vanadium-nitrogen alloy production device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920895436.XU CN210104045U (en) | 2019-06-14 | 2019-06-14 | Reverse circulation double-push vanadium-nitrogen alloy production device |
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| CN210104045U true CN210104045U (en) | 2020-02-21 |
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| CN201920895436.XU Expired - Fee Related CN210104045U (en) | 2019-06-14 | 2019-06-14 | Reverse circulation double-push vanadium-nitrogen alloy production device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306106A (en) * | 2019-06-14 | 2019-10-08 | 四川展祥特种合金科技有限公司 | A kind of reverse circulation is double to push away VN alloy process units and technique |
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2019
- 2019-06-14 CN CN201920895436.XU patent/CN210104045U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306106A (en) * | 2019-06-14 | 2019-10-08 | 四川展祥特种合金科技有限公司 | A kind of reverse circulation is double to push away VN alloy process units and technique |
| CN110306106B (en) * | 2019-06-14 | 2023-10-31 | 四川展祥特种合金科技有限公司 | Reverse circulation double-pushing vanadium-nitrogen alloy production device and process |
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Granted publication date: 20200221 Termination date: 20210614 |