Air inlet buffer device of chlorination furnace

Abstract

The utility model belongs to the technical field of chlorination process titanium dioxide production, and relates to a chlorination furnace gas inlet buffer device which comprises a gas buffer tank, the gas buffer tank is connected in series between an outlet of an oxidation section chlorine gas return pipeline and an inlet of a chlorination furnace gas inlet pipeline, the gas buffer tank comprises a tank body, and a partition plate is arranged in the middle of the inner top wall of the tank body. The front end and the rear end of the partition plate are fixedly connected with the inner walls of the front side and the rear side of the tank body respectively, an airflow channel is reserved between the partition plate and the inner bottom wall of the tank body, the partition plate divides an inner cavity of the tank body into a settling cavity and an air outlet cavity, an air inlet is formed in the top of the settling cavity, and an air outlet and a pressure gauge are arranged at the top of the air outlet cavity. And a cleaning door is arranged outside the cleaning hole. The device is simple in structure, convenient to operate and capable of effectively preventing titanium dioxide entrained in the returned chlorine pipeline from blocking the air inlet hole of the chlorination furnace, so that the operation stability of the chlorination furnace and the output of the system are ensured, and the processing quality of products is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of titanium dioxide production by chlorination process, and specifically relates to an air intake buffer device for a chlorination furnace. Background Art

[0002] In the chloride process of titanium dioxide production, the chlorine gas produced in the oxidation section is transported to the chlorination furnace through a pipeline. The returning chlorine gas carries a large amount of solid titanium dioxide powder, which will block the air inlet pipe at the bottom of the chlorination furnace, causing the pressure at the bottom of the chlorination furnace to rise, affecting the system pressure and product quality.

[0003] Therefore, it is urgent to solve this problem. Utility Model Content

[0004] The utility model aims to provide a new chlorination furnace air intake buffer device to prevent titanium dioxide from being carried in the pipeline of the return chlorine gas and blocking the air intake hole of the chlorination furnace, thereby ensuring the output of the system and the processing quality of the product.

[0005] In order to achieve the above purpose, the utility model proposes the following technical solutions:

[0006] A chlorination furnace air intake buffer device comprises a gas buffer tank, which is connected in series between the outlet of a chlorine gas return pipeline of an oxidation section and the inlet of an air intake pipeline of the chlorination furnace, and the gas buffer tank comprises a tank body, a partition is centrally arranged on the inner top wall of the tank body, the front and rear ends of the partition are respectively fixedly connected to the front and rear inner walls of the tank body, and an air flow channel is reserved between the partition and the inner bottom wall of the tank body, the partition divides the inner cavity of the tank body into a sedimentation cavity and an air outlet cavity, the top of the sedimentation cavity is provided with an air inlet, the top of the air outlet cavity is provided with an air outlet and a pressure gauge, and a cleaning hole is provided at the lower front side of the tank body, and a cleaning door is provided outside the cleaning hole.

[0007] Preferably, the tank body is placed horizontally, with a large buffer space and a good gas-solid separation effect.

[0008] Preferably, the bottom wall of the tank body is low in the middle and high at both ends, and the cleaning hole is arranged corresponding to the lowest point in the tank body, so that the materials deposited in the tank body can be collected at the cleaning hole for easy cleaning.

[0009] Preferably, the cleaning door is connected to the outside of the cleaning hole through a flange bolt structure to facilitate disassembly and cleaning.

[0010] The utility model also includes other devices or components that enable it to be used normally, which are all conventional technical means in the field; in addition, the devices or components not limited in the utility model, such as pressure gauges, cleaning doors, oxidation section return chlorine pipelines and chlorination furnace air inlet pipelines, etc., all adopt conventional means in the field. Technicians in the field can select their models and installation methods according to actual usage requirements, and clearly understand how to install and control them specifically, and will not be described in detail here.

[0011] The working principle of the utility model is: after the chlorine gas returned from the oxidation section passes through the gas buffer tank, the gas velocity decreases, and the solid titanium dioxide powder entrained in the gas is deposited in the gas buffer tank; a partition is set in the gas buffer tank to prevent the gas from forming a short circuit in the tank body; a cleaning hole is set at the bottom of the gas buffer tank to facilitate regular cleaning of the deposited materials in the tank body. By setting a pressure gauge, the pressure in the gas buffer tank can be monitored to ensure the safety of the device operation.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The device has a simple structure and is easy to operate. It can effectively prevent titanium dioxide from being carried in the return chlorine pipeline and clogging the air inlet of the chlorination furnace, thereby ensuring the stability of the chlorination furnace operation and the output of the system, and helping to improve the processing quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model in the embodiment;

[0016] Figure 2 for Figure 1 Schematic diagram of the internal structure of the middle tank and the airflow direction. DETAILED DESCRIPTION

[0017] The present invention is described in detail below in conjunction with the drawings and specific embodiments in the embodiments of the present invention. The description here is only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., should be included in the protection scope of the present invention.

[0018] Example

[0019] like Figures 1-2As shown, this embodiment provides a chlorination furnace air intake buffer device, including a horizontally placed gas buffer tank, the gas buffer tank is connected in series between the outlet of the oxidation section return chlorine pipeline (not shown in the figure) and the inlet of the chlorination furnace air intake pipeline (not shown in the figure), and the gas buffer tank includes a tank body 1, a partition plate 2 is centrally arranged on the inner top wall of the tank body, the front and rear ends of the partition plate are respectively fixedly connected to the front and rear inner walls of the tank body, and an air flow channel 3 is left between the partition plate and the inner bottom wall of the tank body, the partition plate divides the inner cavity of the tank body into a sedimentation chamber 11 and an air outlet chamber 12, the top of the sedimentation chamber is provided with an air inlet 4, the top of the air outlet chamber is provided with an air outlet 5 and a pressure gauge 6, and a cleaning hole is provided at the lower front side of the tank body, and a cleaning door 7 is connected to the outside of the cleaning hole through a flange bolt structure.

[0020] In this embodiment, the bottom wall of the tank body is low in the middle and high at both ends, and the cleaning hole is arranged corresponding to the lowest point in the tank body so that the materials deposited in the tank body can be collected at the cleaning hole for easy cleaning.

[0021] The working principle of the utility model is: after the chlorine gas returned from the oxidation section passes through the gas buffer tank, the gas velocity decreases, and the solid titanium dioxide powder entrained in the gas is deposited in the gas buffer tank; a partition is set in the gas buffer tank to prevent the gas from forming a short circuit in the tank body; a cleaning hole is set at the bottom of the gas buffer tank to facilitate regular cleaning of the deposited materials in the tank body. By setting a pressure gauge, the pressure in the gas buffer tank can be monitored to ensure the safety of the device operation.

[0022] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A chlorination furnace air inlet buffer device, comprising a gas buffer tank, characterized in that: The gas buffer tank is connected in series between the outlet of the chlorine gas return pipeline of the oxidation section and the inlet of the air inlet pipeline of the chlorination furnace, and the gas buffer tank includes a tank body, a partition is centrally arranged on the inner top wall of the tank body, the front and rear ends of the partition are respectively fixedly connected to the front and rear inner walls of the tank body, and an air flow channel is left between the partition and the inner bottom wall of the tank body, the partition divides the inner cavity of the tank body into a sedimentation cavity and an air outlet cavity, the top of the sedimentation cavity is provided with an air inlet, the top of the air outlet cavity is provided with an air outlet and a pressure gauge, and a cleaning hole is provided at the lower front side of the tank body, and a cleaning door is provided outside the cleaning hole.

2. The chlorination furnace air inlet buffer device according to claim 1, characterized in that: The tank body is placed horizontally.

3. The chlorination furnace air inlet buffer device according to claim 2, characterized in that: The bottom wall of the tank body is low in the middle and high at both ends, and the cleaning hole is arranged corresponding to the lowest point in the tank body.

4. The chlorination furnace air inlet buffer device according to claim 1, characterized in that: The cleaning door is connected to the outside of the cleaning hole through a flange bolt structure.

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