CN210496247U - Continuous furnace feeding device for accurately preparing KCL solution - Google Patents
Continuous furnace feeding device for accurately preparing KCL solution Download PDFInfo
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- CN210496247U CN210496247U CN201920570313.9U CN201920570313U CN210496247U CN 210496247 U CN210496247 U CN 210496247U CN 201920570313 U CN201920570313 U CN 201920570313U CN 210496247 U CN210496247 U CN 210496247U
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Abstract
The utility model provides a KCL solution is accurate to be prepared and is advanced stove device in succession, including KCL feed bin, KCL preparation groove, KCL feed tank and connecting line, the KCL feed bin passes through KCL feed bin star discharge valve and is connected with KCL preparation groove feed inlet, and the discharge gate of KCL preparation groove is passed through the KCL preparation groove and is given KCL feed tank feed solenoid valve and is connected with KCL feed tank pan feeding, and KCL feed tank discharge line is connected with the oxidation furnace through the measuring pump, the utility model discloses beneficial effect: (1) the KCL solution is added more timely and continuously; (2) the automation level is improved, and the workload of personnel is reduced; (3) and the proportioning precision of the KCL solution and the measurement precision of conveying are improved.
Description
Technical Field
The utility model relates to a KCL solution accurate preparation and accurate measurement are in succession into stove device in chlorination method titanium white powder production.
Background
The titanium dioxide has stable physical and chemical properties, excellent optical and electrical properties and excellent pigment performance, and is widely applied to the fields of coatings, plastics, papermaking, printing ink and the like. The main task of the gas-phase oxidation process is to react the fine titanium tetrachloride qualified in the chlorination refining process with high-temperature oxygen in an oxidation furnace to prepare a rutile type titanium dioxide semi-finished product qualified in various indexes such as color, granularity, decolorization, mesh color whiteness and the like. No nucleating agent is introduced in the chlorination-process titanium dioxide gas-phase oxidation reaction, the product has coarse average particle size, wide particle size distribution, low decolorization force and poor mesh whiteness, excellent pigment-grade TIO2 particles are difficult to obtain, and KCI is the best nucleating agent for chlorination-process production. Continuous and accurate supply is required in production, and if concentration proportioning is wrong or feeding metering is not accurate and material is interrupted, formation of TIO2 particles is seriously influenced, and the quality of TIO2 is greatly influenced.
The current KCL preparation method comprises the following processes that the device mainly comprises a ① KCL preparation tank, a stirrer is arranged in the KCL preparation tank, a desalted water pipeline is arranged on the top of the tank and is led into the KCL preparation tank, a manual valve is attached to the desalted water pipeline, a ② KCL supply tank is formed, the KCL preparation tank is located above the KCL supply tank, the addition of KCL particles and the injection of desalted water are operated manually according to a KCL proportioning scheme on the top of the preparation tank, a pipeline is connected between the KCL preparation tank and the KCL supply tank, and a manual valve is arranged on the pipeline, when an operator observes that the liquid level of the KCL supply tank reaches a low level, the manual valve on the pipeline between the KCL preparation tank and the KCL supply tank is opened manually, the prepared KCL solution flows into the KCL supply tank through a high level difference, the prepared KCL solution is supplemented into the KCL supply tank, the KCL supply tank is closed after the liquid level in the KCL preparation tank reaches a designated level, the prepared KCL solution is fed into the KCL preparation tank through a manual valve, the KCL supply tank, the KCL preparation tank is fed into a manual solution feeding tank, the KCL preparation tank, the manual valve, the KCL preparation tank is not influenced by a manual solution feeding reaction feeding device, the manual feeding amount of the KCL preparation tank, and the manual feeding amount of the manual feeding solution, and the manual feeding tank, and the manual feeding amount of the solution, and the manual feeding tank are not influenced by the manual feeding amount of the manual feeding solution, and the manual feeding.
Disclosure of Invention
The utility model provides a KCL solution accurate preparation advances stove device in succession.
The utility model discloses a realize through following technological means: KCL solution accurate preparation continuous furnace feeding device, comprising a KCL bin, a KCL preparation groove, a KCL feeding groove and a connecting pipeline, wherein the KCL bin is connected with a feed inlet of the KCL preparation groove through a KCL bin star-shaped discharge valve, a discharge outlet of the KCL preparation groove is connected with a KCL feeding groove feeding electromagnetic valve through the KCL preparation groove feeding electromagnetic valve, a KCL feeding groove discharge pipeline is connected with an oxidation furnace through a metering pump, a KCL preparation groove liquid level meter and a KCL preparation groove water replenishing electromagnetic valve are arranged on the KCL preparation groove, the KCL preparation groove water replenishing electromagnetic valve and the KCL preparation groove feeding electromagnetic valve are arranged in a linkage manner, the KCL feeding groove liquid level meter and the KCL preparation groove feeding electromagnetic valve are arranged in a linkage manner, the KCL feeding groove liquid level meter is arranged on the KCL feeding groove, and a KCL preparation tank densimeter, wherein a conveying pump outlet flow meter and a conveying pump outlet adjusting valve of the KCL feeding tank are arranged on an output pipeline of the KCL feeding tank. The KCL feeding tank liquid level meter is interlocked with a KCL preparation tank feeding electromagnetic valve of the KCL feeding tank. When the liquid level reaches the lower limit liquid level set by the KCL feed tank liquid level meter of the KCL feed tank, the KCL preparation tank opens the KCL feed tank feed electromagnetic valve in a linkage manner, and the KCL preparation tank supplies qualified KCL solution to the KCL feed tank. When the liquid level reaches the upper limit liquid level set by the KCL feeding tank liquid level meter, the KCL preparation tank supplies the KCL feeding tank with the supply electromagnetic valve closed. The lower limit liquid level set by the KCL feed tank liquid level meter is set at 20% of the total liquid level of the KCL feed tank, so that the KCL feed tank can be ensured to be continuously fed. And the KCL preparation tank water replenishing electromagnetic valve is interlocked with a KCL preparation tank feeding electromagnetic valve for a KCL feeding tank. When the KCL preparation tank supplies the KCL feeding tank with the supply electromagnetic valve, the KCL preparation tank water replenishing electromagnetic valve can be automatically opened. So as to prevent the solution which is not prepared in the KCL preparation tank from entering the KCL feeding tank. And a KCL preparation tank water replenishing electromagnetic valve receives the signals, and an asco electromagnetic valve KCL preparation tank liquid level meter is used for measuring the signals, and the liquid level meter is in double-flange connection. When the water is replenished to the upper limit liquid level set by the KCL preparation tank liquid level meter, the KCL preparation tank water replenishing electromagnetic valve is automatically closed according to the feedback signal. The KCL bin star discharge valve then performs the discharge sequence. The mode can ensure that the material level in the KCL preparation tank always has qualified solution before the KCL feeding tank is not fed, and ensure that the qualified KCL solution can be timely supplied when the liquid level in the KCL feeding tank is low. The KCL feeding tank conveying pump outlet flow meter and the KCL feeding tank conveying pump outlet regulating valve form a single-loop linkage, so that not only can accurate metering be realized, but also KCL solution can be stably conveyed to the oxidation furnace. The KCL stock bin star-shaped discharge valve has a linkage opening and closing function and is matched with a stock preparation tank scale. The nitrogen provided by the carrier gas pipeline is used as carrier gas to convey the KCL solution to the oxidation furnace through the KCL spray gun, and the carrier gas N2 atomizes the KCL solution, so that the contact surface of the KCL solution is larger, and the reaction is more uniform.
The utility model discloses beneficial effect: (1) the KCL solution is added more timely and continuously; (2) the automation level is improved, and the workload of personnel is reduced; (3) the proportioning precision of the KCL solution and the metering precision of conveying are improved; finally, the preparation and the transportation of the kcl solution in the gas-phase oxidation process are more timely, continuous and accurate. Thereby promoting that all indexes such as the decoloring power, the grain size and the grain size distribution of the TIO2 produced in the titanium tetrachloride gas phase oxidation process meet the quality requirement
Description of the drawings: FIG. 1 is a schematic view of the overall structure of the present invention; the device comprises a KCL preparation tank 1, a KCL feed tank 2, a KCL bin 3, a KCL bin star-shaped discharge valve 4, a KCL preparation tank water replenishing electromagnetic valve 5, a KCL preparation tank feed electromagnetic valve 6, a KCL preparation tank liquid level meter 7, a KCL feed tank liquid level meter 8, a KCL preparation tank density meter 9, a KCL feed tank conveying pump 10, an oxidation furnace 11, a KCL preparation tank stirring 12, a carrier gas (N2) pipeline 13, a KCL spray gun 14, a KCL feed tank conveying pump outlet flowmeter 15 and a KCL feed tank conveying pump outlet regulating valve 16.
Detailed Description
Referring to FIG. 1, a continuous furnace feeding device for precise KCL solution preparation comprises a KCL bin 3, a KCL preparation tank 1, a KCL feed tank 2 and a connecting pipeline, wherein the KCL bin 3 is connected with a feed inlet of the KCL preparation tank 1 through a KCL bin star-shaped discharge valve 4, a discharge port of the KCL preparation tank 1 is connected with a KCL feed tank feed electromagnetic valve 6 and a KCL feed tank 2 through a KCL preparation tank, a discharge pipeline of the KCL feed tank 2 is connected with an oxidation furnace through a feed tank conveying pump outlet flow meter 15, a KCL preparation tank liquid level meter 7 and a KCL preparation tank water replenishing electromagnetic valve 5 are arranged on the KCL preparation tank 1, the KCL preparation tank water replenishing electromagnetic valve 5 and the KCL preparation tank are arranged for interlocking the KCL feed tank feed electromagnetic valve 6, the KCL feed tank liquid level meter 7 and the KCL preparation tank 1 are arranged for interlocking the KCL feed electromagnetic valve 6, a KCL feed tank liquid level meter 8 and a KCL preparation tank densimeter 9 are arranged on the KCL feed tank 2, be provided with on the 2 output lines of KCL feed tank and carry pump outlet flowmeter 15 and KCL feed tank and carry pump outlet governing valve 16, KCL feed bin star discharge valve 4 has chain switching function, KCL feed bin 3 joins in the preparation jar balance, insert carrier gas (N2) pipeline 13 on the KCL feed tank output line, carrier gas (N2) pipeline 13 end is provided with KCL feed tank and carries pump outlet flowmeter 15 and KCL feed tank and carry pump outlet governing valve 16 to form single loop chain control.
This novel working process:
the preparation process of the KCL solution comprises the following steps: KCL feed tank 2 is provided with KCL feed tank level gauge 8, and when the liquid level reached KCL feed tank 2's KCL feed tank level gauge 8 lower limit, the KCL preparation tank was opened for the 6 chain automation of KCL feed tank feed solenoid valve, and KCL preparation tank 1 supplied qualified KCL solution to KCL feed tank 2. When the liquid level reaches 8 upper limits of KCL feed tank level gauge, KCL preparation tank gives the chain self-closing of KCL feed tank feed solenoid valve 6, then KCL preparation tank moisturizing solenoid valve 5 is chain to be opened, KCL preparation tank moisturizing solenoid valve 5 must give KCL feed tank feed solenoid valve 6 and close the back and just can open at KCL preparation tank, prevent that unqualified solution from getting into 2 moisturizing of KCL feed tank to KCL preparation tank level gauge 7 and setting for the liquid level, KCL preparation tank moisturizing solenoid valve 5 closes, calculate KCL's demand through this level gauge, KCL star discharge valve 4 control unloading of feed bin. A material tank scale is arranged on the KCL storage bin 3, the amount of KCL required is set, the star-shaped discharge valve 4 is automatically closed when the amount is reached, and qualified KCL solution is obtained through measurement of a KCL preparation tank densimeter 9. The KCL preparation tank is stirred for 12 times in an open state in the whole preparation process, so that the KCL solution is uniformly prepared. The KCL is ensured to meet the preparation requirement in the KCL bin 3, and the KCL is timely supplied to the KCL bin 3 when the KCL is insufficient. The KCL storage bin 3 is filled up once to meet the long-period preparation requirement.
The KCL solution is accurately and continuously fed into the furnace: the KCL feed tank transfer pump 10 is always in a running state, meanwhile, KCL solution is measured in real time through the KCL feed tank transfer pump outlet flow meter 15 and forms a flow regulation loop with the KCL feed tank transfer pump outlet regulating valve 16, so that the KCL solution can be accurately and stably transferred to the KCL spray gun 14, nitrogen provided by the carrier gas (N2) pipeline 13 is used as carrier gas to atomize the KCL solution, the KCL solution entering the furnace participates in reaction in the largest area, and a qualified TIO2 product is obtained.
When the liquid level reaches the lower limit liquid level set by the KCL feed tank liquid level meter 8 of the KCL feed tank 2, the KCL preparation tank opens the KCL feed tank feed electromagnetic valve 6 in a chain manner, and the KCL preparation tank 1 supplies qualified KCL solution to the KCL feed tank 2. When the liquid level reaches the upper limit liquid level set by the KCL feed tank liquid level meter 8, the KCL preparation tank feed electromagnetic valve 6 for the KCL feed tank is closed. The lower limit liquid level set by the KCL feed tank liquid level meter 8 is set at 20% of the total liquid level of the KCL feed tank, so that the KCL feed tank is ensured to be continuously fed. The electromagnetic valve and the liquid level meter in the embodiment are selected as follows
Electromagnetic valve: the working mode is as follows: normally closed electromagnetic valve
Temperature of the medium: at normal temperature
The connection mode is as follows: flanged connection
The valve body is made of: 316 stainless steel
The sealing mode is as follows: rubber seal
A liquid level meter: magnetic flap level gauge: 1. double flange connection. 2. And a remote transmission transmitter is arranged.
Claims (4)
- KCL solution accurate preparation advances a stove device in succession, including the KCL feed bin, KCL preparation groove, KCL feed tank and connecting line, the KCL feed bin passes through KCL feed bin star discharge valve and is connected with KCL preparation groove feed inlet, the discharge gate of KCL preparation groove gives KCL feed tank feed solenoid valve through KCL preparation groove and is connected with KCL feed tank pan feeding, KCL feed tank discharge line with be connected characterized by through measuring pump and oxidation furnace: KCL prepares and is provided with KCL preparation tank level gauge on the groove, KCL preparation tank moisturizing solenoid valve gives KCL feed tank supply solenoid valve interlocking setting with KCL preparation tank, KCL feed tank level gauge gives KCL feed tank supply solenoid valve interlocking setting with KCL preparation tank, be provided with KCL feed tank level gauge on the KCL feed tank, and KCL preparation tank densimeter, be provided with on the KCL feed tank output line and carry pump outlet flow meter and KCL feed tank to export the governing valve.
- 2. The KCL solution precise preparation continuous furnace feeding device according to claim 1, wherein the KCL stock bin star-shaped discharge valve has an interlocking opening and closing function, and a KCL stock bin preparation tank scale is provided.
- 3. The KCL solution precise-preparation continuous-feeding device according to claim 1, wherein a carrier gas pipeline is connected to an output line of the KCL feeding tank, and a KCL spray gun is arranged at the tail end of the carrier gas pipeline.
- 4. The KCL solution precise preparation continuous furnace feeding device according to claim 1, wherein the KCL feed tank delivery pump outlet flow meter and the KCL feed tank delivery pump outlet regulating valve form single-loop interlocking control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920570313.9U CN210496247U (en) | 2019-04-25 | 2019-04-25 | Continuous furnace feeding device for accurately preparing KCL solution |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920570313.9U CN210496247U (en) | 2019-04-25 | 2019-04-25 | Continuous furnace feeding device for accurately preparing KCL solution |
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| CN210496247U true CN210496247U (en) | 2020-05-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115634623A (en) * | 2022-10-24 | 2023-01-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Device and method for adding potassium chloride in titanium white production by chlorination process |
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2019
- 2019-04-25 CN CN201920570313.9U patent/CN210496247U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115634623A (en) * | 2022-10-24 | 2023-01-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Device and method for adding potassium chloride in titanium white production by chlorination process |
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