CN215917360U - Device for blowing molten salt foam of chlorination furnace by nitrogen - Google Patents
Device for blowing molten salt foam of chlorination furnace by nitrogen Download PDFInfo
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- CN215917360U CN215917360U CN202121993300.6U CN202121993300U CN215917360U CN 215917360 U CN215917360 U CN 215917360U CN 202121993300 U CN202121993300 U CN 202121993300U CN 215917360 U CN215917360 U CN 215917360U
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Abstract
The utility model discloses a device for blowing molten salt foam of a chlorination furnace by nitrogen, and belongs to the technical field of titanium tetrachloride production. The problem of fused salt foam too much make the fused salt can not in time discharge, lead to safety ring protects, consumes manpower and production efficiency to descend is solved. The technical scheme of the utility model is as follows: including the jet-propelled pipe that supplies nitrogen device and L type, lead to nitrogen gas in the jet-propelled pipe, the one end and the nitrogen device intercommunication that supplies of jet-propelled pipe, the one end that the nitrogen device was kept away from to the jet-propelled pipe is located fused salt foam below, can dismantle on the jet-propelled pipe and be connected with the shower nozzle, the shower nozzle is including spouting nitrogen hole, inner tube and outer tube, spout the nitrogen hole and be 5 and spiral setting in the shower nozzle bottom, and spout nitrogen hole and inner tube intercommunication, inner tube and jet-propelled pipe intercommunication, the outer tube sets up in the inner tube outside and with the protective casing intercommunication. The molten salt liquid level is stabilized to eliminate molten salt foam, the salt discharging efficiency is improved, and the condition of high-temperature molten salt overflow is reduced.
Description
Technical Field
The utility model belongs to the technical field of titanium tetrachloride production, and particularly belongs to a device for blowing molten salt foam in a chlorination furnace by nitrogen.
Background
After the existing molten salt is chloridized and smelted for a period of time, impurities brought in the raw materials and the molten salt with poor activity need to be replaced to supplement new salt, so that the reaction in the furnace is more complete, and the safe and stable operation of the chlorination furnace is ensured. In the process of discharging salt, the molten salt foam with the thickness of about 30-40cm is often generated when one pot of molten salt slag is discharged, the molten salt slag box filled with about 3t can only stop discharging work (the liquid level foam rises and increases the volume) when the molten salt amount is actually discharged to 1.5t, and the high-temperature molten salt overflows a pit and seriously restricts the discharge of the molten salt amount.
And because the molten salt with poor activity in the furnace can not be discharged in time, new salt can not be supplemented in time to lead the liquid level of the molten salt in the furnace to rise after the chlorination furnace has poor reaction, the liquid level generally reaches 5.5-6.0m, the highest liquid level reaches about 6.5-6.8m, the high-temperature molten salt spraying injury accident exists when the middle feeding screw is cleaned, and simultaneously, the salt discharging quantity of a slag box is less, so the salt discharging frequency is frequent, 6-8 times per shift of salt discharging operation is achieved, the frequency of lifting a slag tank and turning the slag tank by a crane is increased, the risk coefficient of object striking and high-temperature accident caused by equipment damage or steel wire rope fracture is increased invisibly, the potential safety and environmental protection hazard exists seriously, the labor intensity of workers is increased, and the capacity of the chlorination furnace is restricted to not reach the design capacity.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems that the actual discharge amount of molten salt is small, high-temperature molten salt overflows a pit, the safety and environmental protection are affected and manpower is consumed due to the fact that a large amount of foam is generated in the salt discharging process of a slag box in the prior art, the utility model provides a device for blowing molten salt foam of a chlorination furnace by nitrogen, and the device is used for solving the problems that: and the molten salt liquid level is stabilized to eliminate molten salt foam, the salt discharge efficiency is improved, and high-temperature molten salt overflow is reduced.
The technical scheme adopted by the utility model is as follows:
the utility model provides a nitrogen gas sweeps device of chlorination furnace fused salt foam, chlorination furnace fused salt foam is in the sediment case, including the jet-propelled pipe that supplies nitrogen device and L type, lead to nitrogen gas in the jet-propelled pipe, the one end of jet-propelled pipe and supply nitrogen device intercommunication, the one end that supplies the nitrogen device is kept away from to the jet-propelled pipe is located fused salt foam below, can dismantle on the jet-propelled pipe and be connected with the shower nozzle, the shower nozzle is including spouting nitrogen hole, inner tube, outer tube, spout the nitrogen hole and set up in the shower nozzle bottom for 5 and spiral, and spout nitrogen hole and inner tube intercommunication, inner tube and jet-propelled pipe intercommunication, the outer tube sets up in the inner tube outside and with the protective tube intercommunication.
Adopt above-mentioned scheme, the nitrogen generator is connected to jet-propelled pipe one end, one end leads to the below of fused salt foam, sweep device to fused salt sediment incasement (the produced foam below of fused salt) through installing nitrogen gas additional, it can make and blow the oxygen hole and be the heliciform and distribute to spout nitrogen gas hole spiral distribution, make nitrogen gas increase spiral injection angle outside keeping original injection velocity and angle, strengthen fused salt foam stabilizing rate, spiral stirring in the sediment incasement, fused salt (for liquid at the high temperature) produces rotatory flow along sediment case wall, high temperature fused salt splashes have been reduced, the chance that fused salt liquid cohered on the shower nozzle has been reduced, it makes the fused salt liquid level keep stable not the foaming salt to make the fused salt liquid level keep stable through nitrogen gas stirring sediment incasement fused salt during the salt discharge, thereby increase the fused salt discharge, solve the problem about the fused salt liquid level, further improve thick titanium productivity, and nitrogen gas makes its state comparatively stable in leading to the fused salt foam.
Preferably, the angle between the extension line of the center line of the nitrogen spraying hole and the center line of the inner pipe is 20-25 degrees.
By adopting the scheme, the angle between the extension line of the center line of the nitrogen hole and the center line of the inner pipe is 25 degrees, the nitrogen spraying angle effect is better, and the stabilizing rate of the fused salt foam is accelerated.
Preferably, the gas injection pipe extends to 30-35cm below the liquid level of the molten salt.
Adopt above-mentioned scheme, the jet-propelled pipe can just in time spout under the produced foam of molten salt liquid, and the stable molten salt liquid level that the nitrogen gas of blowout can be more quick prevents the fused salt overflow, enables to arrange the salt and discharges more smoothly.
Preferably, the purging pipeline is sleeved with a protective sleeve, and the material of the protective sleeve is heat-resistant alloy.
By adopting the scheme, the highest temperature of the molten salt liquid reaches 600 ℃ when the molten salt is discharged from the molten salt furnace, and the protective sleeve is made of the heat-resistant alloy, so that the gas ejector pipe can be protected at a high temperature state, and the gas ejector pipe can stably convey nitrogen to the position below the molten salt liquid level.
Preferably, a rotating base is fixed on one side of the nitrogen supply device.
Preferably, a manual control valve is further installed on the purge pipeline.
By adopting the scheme, the nitrogen spraying amount and the nitrogen spraying speed are controlled according to actual conditions, the molten salt liquid level is kept stable without foaming salt by stirring the molten salt in the slag box through the nitrogen, and the molten salt discharge amount of the slag box is more than or equal to 3t, so that the molten salt discharge frequency is reduced.
Preferably, the rotating base is rotatably connected with the gas injection pipe.
Adopt above-mentioned scheme, because the jet-propelled pipe is the L shape, so need pack up the jet-propelled pipe after fused salt foam is stable, put into the one end rotation orientation below the fused salt liquid level with rotating base to the L shape jet-propelled pipe this moment and be the top, can pack up the jet-propelled pipe fast.
Preferably, the gas injection pipe is DN25 galvanized steel pipe.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. system nitrogen machine is connected to air blast pipe one end, one end leads to the below of fused salt foam, sweep device to fused salt slag incasement (the produced foam below of fused salt) through installing nitrogen gas additional, it can make the oxygen blast hole be the heliciform and distribute to spout nitrogen gas hole spiral distribution, make nitrogen gas keep original injection velocity and angle external spiral injection angle that has increased, strengthen fused salt foam stabilizing rate, spiral stirring in the slag incasement, fused salt (for liquid at the high temperature) produces rotatory flow along slag box wall, it splashes to have reduced the high temperature fused salt, the chance of fused salt liquid cohering on the shower nozzle has been reduced, make the fused salt liquid level keep stable not foaming salt through nitrogen gas stirring slag incasement fused salt during the salt discharge, thereby increase the fused salt discharge, solve the problem that the fused salt liquid level is high under, further improve thick titanium productivity, and nitrogen gas makes its state comparatively stable in leading to the fused salt foam.
2. The angle between the extension line of the center line of the nitrogen hole and the center line of the inner pipe is 25 degrees, the nitrogen spraying angle effect is better, and the stabilizing rate of the fused salt foam is accelerated.
3. The gas ejector pipe can be just in time sprayed under the generated foam of molten salt liquid, and the stable molten salt liquid level that the nitrogen gas of blowout can be more quick prevents the fused salt overflow, enables to arrange the salt and discharges more smoothly.
4. The highest temperature of the molten salt liquid reaches 600 ℃ when the molten salt liquid is discharged from the molten salt furnace, and the protective sleeve is made of heat-resistant alloy, so that the gas ejector pipe can be protected at a high temperature, and the gas ejector pipe can stably convey nitrogen to a position below the liquid level of the molten salt.
5. Starting from the actual situation, the spraying amount and the speed of nitrogen are controlled, molten salt liquid level is kept stable without foaming salt by stirring the molten salt in the slag box through the nitrogen, and the molten salt discharge amount of the slag box is not less than 3t, so that the molten salt discharge frequency is reduced.
6. Because the gas ejector pipe is the L shape, so need pack up the gas ejector pipe after the fused salt foam is stabilized, put into the one end rotation orientation below the fused salt liquid level with rotating base to the L shape gas ejector pipe this moment and be the top, can pack up the gas ejector pipe fast.
Drawings
The utility model will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of a nitrogen-purged chlorination furnace molten salt foam device;
FIG. 2 is a schematic view of the structure of the head;
FIG. 3 is a bottom plan view of the showerhead;
fig. 4 is a schematic structural view of the rotating base.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The present invention will be described in detail with reference to fig. 1 to 4.
The utility model provides a device of nitrogen gas purging chlorination furnace fused salt foam, as shown in figure 1, including the jet-propelled pipe 2 that supplies nitrogen device 1 and L type, lead to nitrogen gas in the jet-propelled pipe 2, the one end of jet-propelled pipe 2 and supply nitrogen device 1 intercommunication, the one end that the nitrogen device 1 was kept away from to the jet-propelled pipe 2 is located fused salt foam below, through the connection of above device, nitrogen gas leads to in jet-propelled pipe (2) from the nitrogen pump machine, and jet-propelled pipe 2 inserts fused salt foam below, and nitrogen gas leads to under the fused salt foam, and nitrogen gas can not make fused salt foam take place great reaction, can dismantle on jet-propelled pipe (2) and be connected with shower nozzle 3, shower nozzle 3 includes nitrogen spraying hole 301, inner tube 302 and outer tube 303, nitrogen spraying hole 301 is 5 and spiral setting in shower nozzle 3 bottoms, and nitrogen spraying hole 301 and inner tube 302 intercommunication, inner tube 302 and jet-propelled pipe 2 intercommunication, outer tube 303 sets up in the outer tube 302 outside and communicates with protective sleeve 4, the shower nozzle on the 2 tip of jet-propelled pipe has 5 to spout nitrogen hole 301, spouts nitrogen hole 301 spiral setting at the tip of shower nozzle 3, and the shower nozzle has two-layer pipeline, and the one deck is inner tube 302, and inner tube 302 communicates with each other with 5 nitrogen holes 301 that spout, and outer tube 303 protects inner tube 302, and outer tube 303 still is connected fixedly with protective casing 4, and shower nozzle 3 and jet-propelled pipe 2 are the connecting piece of enhancement connection in addition within a definite time, make it connect stably, let shower nozzle 3 not fragile. After nitrogen is introduced, the fused salt foam can be stably settled.
In this embodiment, as shown in fig. 2, an angle between an extension line of a center line of the nitrogen spraying hole 301 and a center line of the inner pipe 302 is 25 °, specifically, the nitrogen spraying hole 301 is rotatably disposed on the nozzle 3 and is disposed at a certain angle, and the gas sprayed by the nozzle 3 is a spiral gas flow to stir the molten salt foam.
The gas injection pipe 2 extends 35cm below the molten salt liquid level, specifically, the molten salt foam is located at the molten salt liquid level, the molten salt foam is disturbed and filled by nitrogen, and finally the foam is broken and the liquid level is stable.
The gas ejector 2 is sleeved with a protective sleeve 4, and the protective sleeve 4 is made of heat-resistant alloy. Specifically, a nickel-based alloy is selected as a material for manufacturing the protective sleeve 4.
A rotary base 6 is fixed on one side of the nitrogen supply device 1.
And the gas injection pipe 2 is also provided with a manual control valve 5, specifically, the manual control valve is arranged to control the size or opening and closing state of the nitrogen gas spraying molten salt foam.
The gas injection pipe 2 is a DN25 galvanized steel pipe, and specifically, the gas injection pipe 2 adopts a galvanized air pipe with good gas injection effect.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (8)
1. The utility model provides a device of nitrogen gas purging chlorination furnace fused salt foam, chlorination furnace fused salt foam is in the slag box which characterized in that: including air blast pipe (2) that supply nitrogen device (1) and L type, the expert has nitrogen gas in air blast pipe (2), the one end and the nitrogen supply device (1) intercommunication of air blast pipe (2), and the one end that supplies nitrogen device (1) is kept away from in air blast pipe (2) is located molten salt foam below, can dismantle on air blast pipe (2) and be connected with shower nozzle (3), shower nozzle (3) are including spouting nitrogen hole (301), inner tube (302) and outer tube (303), it is 5 and spiral setting in shower nozzle (3) bottom to spout nitrogen hole (301), and spouts nitrogen hole (301) and inner tube (302) intercommunication, inner tube (302) and air blast pipe (2) intercommunication, outer tube (303) cover is established in inner tube (302) outside.
2. The apparatus for nitrogen purging chlorination furnace molten salt foam according to claim 1, wherein: the angle between the extension line of the center line of the nitrogen spraying hole (301) and the center line of the inner pipe (302) is 20-25 degrees.
3. The apparatus for nitrogen purging chlorination furnace molten salt foam according to claim 1, wherein: and a rotating base (6) is fixed on one side of the nitrogen supply device (1), and the gas injection pipe (2) is detachably connected with the nitrogen supply device (1) through the rotating base (6).
4. The apparatus for nitrogen purging chlorination furnace molten salt foam according to claim 3, wherein: rotating base (6) include rotating base support (601), be provided with coupling support (602) on rotating base support (601), be provided with swivel bearing (603) on coupling support (602), swivel bearing (603) are connected with jet-propelled pipe (2) rotation.
5. The apparatus for nitrogen purging chlorination furnace molten salt foam according to claim 1, wherein: the air ejector pipe (2) is sleeved with a protective sleeve (4), and the protective sleeve (4) is made of heat-resistant alloy.
6. The apparatus for purging the chlorination furnace molten salt foam by nitrogen according to claim 5, is characterized in that: the gas injection pipe (2) extends to 30-35cm below the liquid level of the molten salt.
7. The apparatus for nitrogen purging chlorination furnace molten salt foam according to claim 6, wherein: and the air injection pipe (2) is also provided with a manual control valve (5).
8. The apparatus for nitrogen purging chlorination furnace molten salt foam according to claim 7, wherein: the gas injection pipe (2) is a DN25 galvanized steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121993300.6U CN215917360U (en) | 2021-08-24 | 2021-08-24 | Device for blowing molten salt foam of chlorination furnace by nitrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121993300.6U CN215917360U (en) | 2021-08-24 | 2021-08-24 | Device for blowing molten salt foam of chlorination furnace by nitrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215917360U true CN215917360U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121993300.6U Active CN215917360U (en) | 2021-08-24 | 2021-08-24 | Device for blowing molten salt foam of chlorination furnace by nitrogen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215917360U (en) |
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2021
- 2021-08-24 CN CN202121993300.6U patent/CN215917360U/en active Active
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