CN209872393U - Feeding device of boiling chlorination furnace - Google Patents
Feeding device of boiling chlorination furnace Download PDFInfo
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- CN209872393U CN209872393U CN201920356399.5U CN201920356399U CN209872393U CN 209872393 U CN209872393 U CN 209872393U CN 201920356399 U CN201920356399 U CN 201920356399U CN 209872393 U CN209872393 U CN 209872393U
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Abstract
The utility model relates to a technical field of chlorination process titanium white powder production specifically is a boiling chlorination furnace feed arrangement. The device comprises a storage tank, a storage tank inflation cone, a feeding tank inflation cone and a feeder from top to bottom in sequence; the bottom of the feeder is communicated with an inlet of the chlorination furnace through a pipeline; the top feed inlet of the material storage tank is communicated with the raw material mixing tank through a valve I pipeline, and the top air inlet is communicated with the top of the feeding tank through a valve V pipeline; a cylindrical vent pipe is arranged in the middle of the top of the storage tank, a pipe cavity of the vent pipe is communicated with an inner cavity of the storage tank, a dust remover is arranged in the pipe cavity, and a pipe opening of the vent pipe is communicated with the outside atmosphere through a valve III; the material storage tank inflation cone is communicated with a high-pressure nitrogen source through a valve IV pipeline; the feeding tank inflation cone is communicated with a high-pressure nitrogen source through a valve VII pipeline; the feeder is communicated with an ultrahigh pressure nitrogen source through a valve IX pipeline. The utility model discloses utilize high-pressure nitrogen gas stream pay-off, it is efficient.
Description
Technical Field
The utility model relates to a technical field of chlorination process titanium white powder production specifically is a boiling chlorination furnace feed arrangement.
Background
The chlorination furnace is important equipment in the production process of titanium dioxide by a chlorination method. In a chlorination furnace, high titanium slag, rutile, petroleum coke and chlorine react to generate titanium tetrachloride. The high titanium slag, rutile and petroleum coke entering the chlorination furnace are solid, and a screw feeder is adopted in conventional feeding. In the operation process, because the high titanium slag, the inevitable meeting in rutile and the petroleum coke is thoughtlessly had large granule impurity, and these large granule impurity can cause the screw feeder card to die, cause discontinuous feeding, can influence the boiling state of boiling chlorination furnace like this, and then influence the output and the quality of product. The spiral feeder has poor sealing performance, and high-temperature gas in the boiling chlorination furnace inevitably returns to a raw material bin or a feeding system through the spiral feeder, so that the safety production of a factory is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a feeding device of a boiling chlorination furnace, which avoids the feeding of a spiral feeder and brings material backflow to influence production and other problems, and the device sequentially comprises a storage tank 1, a storage tank inflation cone 2, a feeding tank 3, a feeding tank inflation cone 4 and a feeder 5 from top to bottom; the material storage tank inflation cone 2 and the feeding tank inflation cone 4 are both inverted cones; the bottom of the storage tank 1 is connected with the top of the storage tank inflation cone 2; the bottom of the storage tank inflation cone 2 is communicated with the top of the feeding tank 3 through a valve VI 12 pipeline, the bottom of the feeding tank 3 is connected with the top of the feeding tank inflation cone 4, the bottom of the feeding tank inflation cone 4 is communicated with the top of the feeder 5 through a valve VIII 14 pipeline, and the bottom of the feeder 5 is communicated with the inlet of the chlorination furnace through a pipeline;
the top feed inlet of the material storage tank 1 is communicated with the raw material mixing tank through a valve I7 pipeline, and the top air inlet is communicated with the top of the feeding tank 3 through a valve V11 pipeline; a cylindrical vent pipe is arranged in the middle of the top of the storage tank 1, a pipe cavity of the vent pipe is communicated with an inner cavity of the storage tank 1, a dust remover 6 is arranged in the pipe cavity, and a pipe opening of the vent pipe is communicated with the outside atmosphere through a valve III 9; the material storage tank inflation cone 2 is communicated with a high-pressure nitrogen source through a valve IV 10 pipeline; the feeding tank inflation cone 4 is communicated with a high-pressure nitrogen source through a valve VII 13 pipeline; the feeder 5 is communicated with an ultrahigh pressure nitrogen source through a valve IX 15 pipeline.
Further, the nitrogen pressure of the high-pressure nitrogen source is 3 ~ 5bar higher than the atmospheric pressure, and the nitrogen pressure of the ultrahigh-pressure nitrogen source is 5 ~ 10bar higher than the air pressure in the feeder 5.
Further, the dust remover 6 in the cavity of the vent pipe is communicated with a micro high-pressure nitrogen source through a valve II 8, and the nitrogen pressure of the micro high-pressure nitrogen source is 1 ~ 2bar higher than the atmospheric pressure.
Further, a material flow meter 17 is arranged on a connecting pipeline between the feeder 5 and the chlorination furnace; and a nitrogen flowmeter 16 is arranged on a communication pipeline between the feeder 5 and the external nitrogen source.
Further, a storage tank pressure gauge 20 is arranged at the upper part of the storage tank 1; the upper part of the feeding tank 3 is provided with a feeding tank pressure gauge 30, and the side wall of the lower part is provided with a feeding tank level gauge 31.
The utility model discloses a beneficial technological effect includes:
1. the utility model discloses a super high pressure nitrogen gas is as the transport power of raw materials, and whole conveyor does not have power conveying equipment, has avoided large granule impurity to damage the possibility of moving equipment, has prolonged the time of device continuous operation.
2. Because the pressure of the charging system is higher than the operating pressure of the chlorination furnace during charging, the gas in the chlorination furnace is prevented from returning to the charging system or the material storage system and carrying out the material.
Drawings
Fig. 1 is a schematic structural diagram of the utility model.
Wherein: 1-a material storage tank; 2-inflating cone of the material storage tank; 3-feeding tank; 4-charging cone of the feeding tank; 5-a feeder; 6-a dust remover; 7-valve I; 8-valve II; 9-valve III; 10-valve IV; 11-valve V; 12-valve vi; 13-valve VII; 14-valve VIII; 15-valve IX; 16-nitrogen gas flow meter; 17-a material flowmeter; 20-a material storage tank pressure gauge; 30-feeding tank pressure gauge; 31-feed tank level gauge.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
A feeding device of a boiling chlorination furnace comprises a storage tank 1, a storage tank inflation cone 2, a feeding tank 3, a feeding tank inflation cone 4 and a feeder 5 from top to bottom in sequence; the material storage tank inflation cone 2 and the feeding tank inflation cone 4 are both inverted cones; a storage tank pressure gauge 20 is arranged at the upper part of the storage tank 1; the upper part of the feeding tank 3 is provided with a feeding tank pressure gauge 30, and the side wall of the lower part is provided with a feeding tank level gauge 31.
The bottom of the storage tank 1 is connected with the flange at the top of the storage tank inflation cone 2; the bottom of the storage tank inflation cone 2 is communicated with the top of the feeding tank 3 through a pipeline of a valve VI 12, the bottom of the feeding tank 3 is connected with the top of the feeding tank inflation cone 4 through a flange, the bottom of the feeding tank inflation cone 4 is communicated with the top of the feeder 5 through a pipeline of a valve VIII 14, and the bottom of the feeder 5 is communicated with the inlet of the chlorination furnace through a pipeline of a material flow meter 17.
The top feed inlet of the storage tank 1 is communicated with the raw material mixing tank through a valve I7 pipeline, the top air inlet is communicated with the top of the feeding tank 3 through a valve V11 pipeline, a cylindrical vent pipe is arranged in the middle of the top of the storage tank 1, a pipe cavity of the vent pipe is communicated with an inner cavity of the storage tank 1, a dust remover 6 is arranged in the pipe cavity, the dust remover 6 is communicated with a micro high-pressure nitrogen source through a valve II 8 pipeline, and the nitrogen pressure of the micro high-pressure nitrogen source is 1 ~ 2bar higher than the atmospheric pressure.
The pipe orifice of the vent pipe is communicated with the outside atmosphere through a valve III 9, the storage tank inflation cone 2 is communicated with a high-pressure nitrogen source through a valve IV 10 pipeline, the feeding tank inflation cone 4 is communicated with the high-pressure nitrogen source through a valve VII 13 pipeline, the feeder 5 is communicated with an ultrahigh-pressure nitrogen source through a pipeline, a nitrogen flow meter 16 and a valve IX 15 are sequentially connected in series on the communication pipeline, the opening degree of the valve IX 15 is controlled according to the numerical value of the material flow meter 17, the nitrogen pressure of the high-pressure nitrogen source is 3 ~ bar higher than the atmospheric pressure, and the nitrogen pressure of the ultrahigh-pressure nitrogen source is 5 ~ bar higher than the air pressure in the feeder 5.
When the dust remover works, the storage tank 1 is communicated with an external nitrogen source and is used for removing dust of the dust remover 6 in the storage tank 1, and the nitrogen pressure needs to be 1-2bar higher than the atmospheric pressure; the storage tank gas filling cone 2 is communicated with a high-pressure nitrogen source to ensure that the solid materials in the storage tank 1 are in a fluidized state; the charging cone 4 of the feeding tank is communicated with a high-pressure nitrogen source to ensure that the solid material in the feeding tank 3 is in a fluidized state; the feeder 5 is connected with an ultrahigh pressure nitrogen source so that the solid materials in the feeder 5 are in a fluidized state and the materials are conveyed to the chlorination furnace, and the pressure of the nitrogen is required to be 5-10bar higher than the pressure in the feeder 5.
The specific method of operation is as follows,
s1: charging of
Opening a valve I7, a valve III 9, a valve IV 10, a valve VII 13, a valve VIII 14 and a valve IX 15, and closing a valve V11 and a valve VI 12; at the moment, the material storage tank 1 and the material storage tank inflation cone 2 form a material storage system, and the feeding tank 3, the feeding tank inflation cone 4 and the feeder 5 form a feeding system; the two systems have different pressures, and the pressure of the material storage system is lower than that of the material feeding system;
adding the raw materials in the raw material mixing tank into the storage tank 1 and temporarily storing the raw materials in the storage tank 1; gas discharged from the material storage tank 1 is discharged to the atmosphere through a dust remover 6; the solid materials in the feeding tank 3 sequentially pass through the feeding tank gas filling cone 4, the valve VIII 14 and the feeder 5 to enter the chlorination furnace.
S2: feeding material
When the feed tank level meter 31 reaches the low alarm level, the valve 7 and the valve 9 are closed firstly, and then the valve 11 is opened;
because the pressure of the material storage system is lower than that of the feeding system, gas enters the material storage tank 1 from the feeding tank 3 through the valve V11 until the pressure of the material storage system is the same as that of the feeding system, namely the readings of the pressure gauge 20 of the material storage tank and the pressure gauge 30 of the feeding tank are the same; valve 12 is opened and material from the stock system enters the charging system under gravity reuse.
S3：
When the feeding tank level meter 31 reaches the upper alarm level, the valve 12 and the valve 11 are closed in sequence, then the valve 9 is opened, nitrogen in the storage tank 1 is discharged to the atmosphere, and the working condition S1 is repeated until the pressure in the storage tank 1 reaches the normal pressure.
Wherein the material flow meter 17 is used for measuring the solid flow entering the chlorination furnace, the opening degree of the valve IX 15 is controlled by the material flow meter 17, when the material flow meter 17 displays that the value is lower than the normal value, the opening degree of the valve IX 15 is enlarged, so that the nitrogen flow entering the feeder 5 is increased, and more solid materials are driven to enter the chlorination furnace.
When the material flow meter 17 displays that the value is higher than the normal value, the opening degree of the valve IX 15 is reduced, so that the nitrogen flow entering the feeder 5 is reduced, and less solid materials are driven to enter the chlorination furnace; the nitrogen flow meter 16 is mainly used for observing the flow rate of nitrogen gas into the charger 5.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a boiling chlorination furnace feed arrangement which characterized in that: the device comprises a material storage tank (1), a material storage tank inflation cone (2), a feeding tank (3), a feeding tank inflation cone (4) and a feeder (5) from top to bottom in sequence; the material storage tank inflation cone (2) and the feeding tank inflation cone (4) are inverted cones; the bottom of the storage tank (1) is connected with the top of the storage tank inflation cone (2); the bottom of the storage tank inflation cone (2) is communicated with the top of the feeding tank (3) through a valve VI (12) by a pipeline, the bottom of the feeding tank (3) is connected with the top of the feeding tank inflation cone (4), the bottom of the feeding tank inflation cone (4) is communicated with the top of the feeder (5) through a valve VIII (14) by a pipeline, and the bottom of the feeder (5) is communicated with the inlet of the chlorination furnace by a pipeline;
the top feed inlet of the storage tank (1) is communicated with the raw material mixing tank through a valve I (7) by a pipeline, and the top air inlet is communicated with the top of the feeding tank (3) by a valve V (11) by a pipeline; a cylindrical vent pipe is arranged in the middle of the top of the storage tank (1), a pipe cavity of the vent pipe is communicated with an inner cavity of the storage tank (1), a dust remover (6) is arranged in the pipe cavity, and a pipe opening of the vent pipe is communicated with the outside atmosphere through a valve III (9); the material storage tank inflation cone (2) is communicated with a high-pressure nitrogen source through a valve IV (10) pipeline; the feeding tank gas filling cone (4) is communicated with a high-pressure nitrogen source through a valve VII (13) pipeline; the feeder (5) is communicated with an ultrahigh pressure nitrogen source through a valve IX (15) pipeline.
2. The feeding device of the boiling chlorination furnace according to the claim 1, wherein the nitrogen pressure of the high pressure nitrogen source is 3 ~ 5bar higher than the atmospheric pressure, and the nitrogen pressure of the ultra high pressure nitrogen source is 5 ~ 10bar higher than the air pressure in the feeder (5).
3. The feeding device of the boiling chlorination furnace according to the claim 1, characterized in that the dust collector (6) in the pipe cavity of the vent pipe is communicated with a micro high pressure nitrogen source through a valve II (8) and the nitrogen pressure of the micro high pressure nitrogen source is 1 ~ 2bar higher than the atmospheric pressure.
4. The boiling chlorination furnace feeding device according to claim 1, wherein: a material flow meter (17) is arranged on a connecting pipeline between the feeder (5) and the chlorination furnace; and a nitrogen flow meter (16) is arranged on a communication pipeline between the feeder (5) and the external nitrogen source.
5. The boiling chlorination furnace feeding device according to claim 1, wherein: a storage tank pressure gauge (20) is arranged at the upper part of the storage tank (1); the upper part of the feeding tank (3) is provided with a feeding tank pressure gauge (30), and the side wall of the lower part is provided with a feeding tank level meter (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920356399.5U CN209872393U (en) | 2019-03-20 | 2019-03-20 | Feeding device of boiling chlorination furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920356399.5U CN209872393U (en) | 2019-03-20 | 2019-03-20 | Feeding device of boiling chlorination furnace |
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| CN209872393U true CN209872393U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920356399.5U Active CN209872393U (en) | 2019-03-20 | 2019-03-20 | Feeding device of boiling chlorination furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108609A (en) * | 2021-04-26 | 2021-07-13 | 南京艾尔康威物料输送系统有限公司 | Automatic charging system of chlorination furnace and control method thereof |
| CN113351121A (en) * | 2021-06-30 | 2021-09-07 | 蚌埠中瓷纳米科技有限公司 | System and method for continuously conveying solid mixed material into chlorination furnace |
-
2019
- 2019-03-20 CN CN201920356399.5U patent/CN209872393U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108609A (en) * | 2021-04-26 | 2021-07-13 | 南京艾尔康威物料输送系统有限公司 | Automatic charging system of chlorination furnace and control method thereof |
| CN113351121A (en) * | 2021-06-30 | 2021-09-07 | 蚌埠中瓷纳米科技有限公司 | System and method for continuously conveying solid mixed material into chlorination furnace |
| CN113351121B (en) * | 2021-06-30 | 2024-08-27 | 蚌埠中瓷纳米科技有限公司 | System and method for continuously conveying solid mixture into chlorination furnace |
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