CN215963473U - System for solid mixed material is carried into chlorination furnace in succession - Google Patents
System for solid mixed material is carried into chlorination furnace in succession Download PDFInfo
- Publication number
- CN215963473U CN215963473U CN202121483549.2U CN202121483549U CN215963473U CN 215963473 U CN215963473 U CN 215963473U CN 202121483549 U CN202121483549 U CN 202121483549U CN 215963473 U CN215963473 U CN 215963473U
- Authority
- CN
- China
- Prior art keywords
- bin
- valve
- chlorination furnace
- bin pump
- feeding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
A system for continuously conveying solid mixed materials into a chlorination furnace comprises a mixture bin, two bin pumps arranged in parallel and the chlorination furnace, wherein the two bin pumps arranged in parallel are respectively marked as a bin pump A and a bin pump B; the feeding pipes are connected with the mixture bin and provided with feeding valves; the exhaust pipes are connected with the mixture bin and provided with exhaust valves; the air inlet pipes are connected with a fluidizing air source and are provided with air inlet valves; the two discharge pipes are connected with the chlorination furnace after being converged and are respectively provided with a discharge valve, the converged pipeline is provided with a nitrogen pipe, and the nitrogen pipe is provided with a nitrogen valve and a nitrogen pressure gauge. The system has simple structure and convenient operation, can automatically control, safely and effectively send the mixture into the chlorination furnace continuously, and ensures the normal operation of the chlorination furnace.
Description
Technical Field
The utility model relates to a system for continuously conveying solid mixed materials into a chlorination furnace.
Background
In the production process of chlorinated titanium dioxide, a titanium-rich material, petroleum coke and sodium chloride are mixed according to a certain proportion and then stored in a storage bin, and then conveyed into a chlorination furnace through a conveying device for reaction. The common conveying mode is that a conveying screw is arranged at the bottom of the storage bin to directly feed materials or a fuller pump is used for conveying mixed materials. However, the reaction conditions in the chlorination furnace are harsh, so that the conveying equipment is corroded, and the feeding port is blocked, and the pressure in the chlorination furnace is fluctuated, so that the extremely toxic high-temperature materials in the furnace can return to the conveying equipment, and a larger accident is caused. The material can not be continuously conveyed into the chlorination furnace, so that the process can not be smoothly carried out.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a system which has a simple structure, can safely and effectively convey solid mixed materials into a chlorination furnace, is convenient to operate, can be automatically controlled and ensures the normal operation of the chlorination furnace.
In order to solve the technical problem, the utility model provides a system for continuously conveying solid mixed materials into a chlorination furnace, which comprises a mixed material bin, two bin pumps and the chlorination furnace, wherein the bin pumps are arranged in parallel;
the two feeding pipes are connected with a mixture bin and are respectively provided with a feeding valve;
the two exhaust pipes are connected with the mixture bin and are respectively provided with an exhaust valve;
the two air inlet pipes are both connected with a fluidizing air source, and are respectively provided with an air inlet valve;
on two discharging pipes joined the back unified connection chlorination furnace, be equipped with the bleeder valve on two discharging pipes respectively, be equipped with the nitrogen gas pipe on the pipeline after two discharging pipes joined, be equipped with nitrogen gas valve and nitrogen gas manometer on the nitrogen gas pipe.
Preferably, the exhaust valve, the feeding valve, the discharging valve and the nitrogen valve are automatic switching valves, and the intake valve is an automatic regulating valve.
Preferably, the pressure gauge of the bin pump, the pressure gauge of the chlorination furnace and the pressure gauge of nitrogen are all electronic pressure gauges.
Preferably, the chlorination furnace has an operating pressure of 0.05-0.1MPa and an operating temperature of 500-.
For the sake of simplicity of explanation, the system for continuously feeding the solid mixed materials into the chlorination furnace is also referred to as the present system.
The operation method of the system comprises the following steps: the method comprises the following steps:
(1) opening an exhaust valve of the bin pump A;
(2) opening a bin pump A feeding valve, and enabling the mixture to enter a bin pump A from a mixture bin;
(3) after the feeding is finished, closing an exhaust valve of the bin pump A, closing a feeding valve of the bin pump A, opening an air inlet valve and introducing fluidizing gas to fully fluidize the materials in the bin pump A;
(4) when the pressure of the bin pump A rises to reach a conveying set value, a discharge valve of the bin pump A is opened, and the material starts to be conveyed;
(5) opening an exhaust valve of a bin pump B, opening a feed valve of the bin pump B, enabling the mixture to enter the bin pump B from a mixture bin, closing the exhaust valve of the bin pump B and closing the feed valve of the bin pump B after the feeding is finished, opening an air inlet valve, introducing fluidizing gas to fully fluidize the material in the bin pump B, increasing the pressure of the bin pump B to reach a conveying set value, and maintaining the pressure for later use;
(6) when the pressure of the bin pump A reaches a set value for stopping conveying, the ventilation is continued for 3-5s, the discharge valve of the bin pump A is closed, and the discharge valve of the bin pump B is opened to start feeding;
(7) repeating the steps (1) to (6) to start the next conveying cycle;
(8) and when the bin pump A and the bin pump B stop feeding, the nitrogen valve on the nitrogen pipe is opened simultaneously, and certain nitrogen pressure is controlled.
The solid mixed material is titanium ore, petroleum coke and sodium chloride, the weight percentage is 100:33:1, and the conveying capacity is 10-15 t/h.
The conveying set value is 0.2-0.4 Mpa.
The set value for stopping conveying is 0.08-0.12 MPa.
The nitrogen pressure is 0.2-0.4 Mpa.
The system has the advantages that:
1. the system can realize continuous conveying by connecting the two bin pumps in parallel, and ensures the normal operation of the chlorination furnace.
2. The exhaust valve, the feed valve, the discharge valve, the nitrogen valve and the pressure gauge in the system are all automatic valve instruments, and automatic control can be realized.
3. The air inlet valve of the system is an automatic adjusting valve, and the air inlet valve can be automatically adjusted according to the conveying capacity, so that the production cost is saved.
4. The nitrogen pipe of the system is provided with the automatic nitrogen valve, the bin pump stops feeding and opens the valve at the same time, the gas protection is ensured to be always carried out on the feeding pipeline, the high-temperature highly-toxic corrosive materials in the chlorination furnace are prevented from returning, and the equipment is not damaged by high-temperature corrosion.
Drawings
Fig. 1 is a schematic diagram of the present system.
Detailed Description
Referring to FIG. 1, a system for continuously conveying solid mixed materials into a chlorination furnace comprises a mixed material bin 1, two bin pumps 2A/2B and a chlorination furnace 3, wherein the bin pumps 2A/2B and the chlorination furnace 3 are arranged in parallel, the two bin pumps 2A/2B are respectively marked as a bin pump A and a bin pump B, the bin pump A and the bin pump B are respectively provided with a feeding pipe 4A/4B, an exhaust pipe 5A/5B, an air inlet pipe 6A/6B, a discharge pipe 7A/7B and a bin pump pressure gauge 8A/8B, and the chlorination furnace 3 is provided with a chlorination furnace pressure gauge 31;
the two feeding pipes 4A/4B are both connected with the mixture bin 1, and the two feeding pipes 4A/4B are respectively provided with a feeding valve 41A/41B;
the two exhaust pipes 5A/5B are both connected with the mixture bin 1, and exhaust valves 51A/51B are respectively arranged on the two exhaust pipes 5A/5B;
the two air inlet pipes 6A/6B are both connected with a fluidizing air source, and the two air inlet pipes 6A/6B are respectively provided with an air inlet valve 61A/61B;
the two discharging pipes 7A/7B are converged and then are uniformly connected to the chlorination furnace 3, the two discharging pipes 7A/7B are respectively provided with a discharging valve 71A/71B, a pipeline after the two discharging pipes 7A/7B are converged is provided with a nitrogen pipe 8, and the nitrogen pipe 8 is provided with a nitrogen valve 81 and a nitrogen pressure gauge 82.
The exhaust valve 51A/51B, the feeding valve 41A/41B, the discharging valve 71A/71B and the nitrogen valve 81 are automatic switch valves, and the intake valve 61A/61B is an automatic regulating valve.
The operation pressure of the chlorination furnace 3 is 0.05-0.1Mpa, and the operation temperature is 500-1050 ℃.
The first embodiment is as follows:
the process flow of the system comprises the following steps:
(1) the mixture is stored in the mixture bin 1, and the ratio of titanium ore (high titanium slag or rutile), petroleum coke and sodium chloride is 100:33: 1; the conveying amount is set to be 11t/h, and the pressure gauge 31 of the chlorination furnace 3 is 0.06Mpa (G); opening the exhaust valve 51A of the bin pump A;
(2) opening a bin pump A feeding valve 41A, and enabling the mixture to enter a bin pump A from the mixture bin 1;
(3) after the feeding is finished, closing the exhaust valve 51A of the bin pump A, closing the feeding valve 41A of the bin pump A, and opening the air inlet valve 61A to introduce fluidizing gas to fully fluidize the materials in the bin pump A;
(4) when the pressure of the bin pump A rises to reach a conveying set value of 0.2Mpa (G), a discharge valve 71A of the bin pump A is opened, and the material conveying is started;
(5) opening an exhaust valve 51B of a bin pump B, opening a feeding valve 41B of the bin pump B, enabling the mixture to enter the bin pump B from the mixture bin 1, closing the exhaust valve 51B of the bin pump B and closing a feeding valve 41B of the bin pump B after the feeding is finished, opening an air inlet valve 61B, introducing fluidizing gas to fully fluidize the materials in the bin pump B, increasing the pressure of the bin pump B to reach a conveying set value of 0.2Mpa (G), and maintaining the pressure for later use;
(6) when the pressure of the bin pump A reaches a set value of 0.08Mpa (G) for stopping conveying, the ventilation is continued for 3s, the discharge valve 71A of the bin pump A is closed, and the discharge valve 71B of the bin pump B is opened to start feeding;
(7) repeating the steps (1) to (6) to start the next conveying cycle;
(8) when the feeding of the bin pump A and the bin pump B is stopped, the nitrogen valve 81 on the nitrogen pipe 8 is opened at the same time, and the nitrogen pressure is controlled to be 0.2Mpa (G).
Example two:
the process flow of the system comprises the following steps:
(1) the mixture is stored in the mixture bin 1, and the ratio of titanium ore (high titanium slag or rutile), petroleum coke and sodium chloride is 100:33: 1; the conveying amount is set to be 13t/h, and the pressure gauge 31 of the chlorination furnace 3 is 0.07Mpa (G); opening the exhaust valve 51A of the bin pump A;
(2) opening a bin pump A feeding valve 41A, and enabling the mixture to enter a bin pump A from the mixture bin 1;
(3) after the feeding is finished, closing the exhaust valve 51A of the bin pump A, closing the feeding valve 41A of the bin pump A, and opening the air inlet valve 61A to introduce fluidizing gas to fully fluidize the materials in the bin pump A;
(4) when the pressure of the bin pump A rises to reach a conveying set value of 0.25Mpa (G), a discharge valve 71A of the bin pump A is opened, and the material conveying is started;
(5) opening an exhaust valve 51B of a bin pump B, opening a feeding valve 41B of the bin pump B, enabling the mixture to enter the bin pump B from the mixture bin 1, closing the exhaust valve 51B of the bin pump B and closing a feeding valve 41B of the bin pump B after the feeding is finished, opening an air inlet valve 61B, introducing fluidizing gas to fully fluidize the materials in the bin pump B, increasing the pressure of the bin pump B to reach a conveying set value of 0.25Mpa (G), and maintaining the pressure for later use;
(6) when the pressure of the bin pump A reaches a set value 0.09Mpa (G) for stopping conveying, the ventilation is continued for 4s, the discharge valve 71A of the bin pump A is closed, and the discharge valve 71B of the bin pump B is opened to start feeding;
(7) repeating the steps (1) to (6) to start the next conveying cycle;
(8) when the feeding of the bin pump A and the bin pump B is stopped, the nitrogen valve 81 on the nitrogen pipe 8 is opened at the same time, and the nitrogen pressure is controlled to be 0.25Mpa (G).
Example three:
the process flow of the system comprises the following steps:
(1) the mixture is stored in the mixture bin 1, and the ratio of titanium ore (high titanium slag or rutile), petroleum coke and sodium chloride is 100:33: 1; the conveying amount is set to be 15t/h, and the pressure gauge 31 of the chlorination furnace 3 is 0.09Mpa (G); opening the exhaust valve 51A of the bin pump A;
(2) opening a bin pump A feeding valve 41A, and enabling the mixture to enter a bin pump A from the mixture bin 1;
(3) after the feeding is finished, closing the exhaust valve 51A of the bin pump A, closing the feeding valve 41A of the bin pump A, and opening the air inlet valve 61A to introduce fluidizing gas to fully fluidize the materials in the bin pump A;
(4) when the pressure of the bin pump A rises to reach a conveying set value of 0.3Mpa (G), a discharge valve 71A of the bin pump A is opened, and the material conveying is started;
(5) opening an exhaust valve 51B of a bin pump B, opening a feeding valve 41B of the bin pump B, enabling the mixture to enter the bin pump B from the mixture bin 1, closing the exhaust valve 51B of the bin pump B and closing a feeding valve 41B of the bin pump B after the feeding is finished, opening an air inlet valve 61B, introducing fluidizing gas to fully fluidize the materials in the bin pump B, increasing the pressure of the bin pump B to reach a conveying set value of 0.3Mpa (G), and maintaining the pressure for later use;
(6) when the pressure of the bin pump A reaches a set value 0.11Mpa (G) for stopping conveying, the ventilation is continued for 5s, the discharge valve 71A of the bin pump A is closed, and the discharge valve 71B of the bin pump B is opened to start feeding;
(7) repeating the steps (1) to (6) to start the next conveying cycle;
(8) when the feeding of the bin pump A and the bin pump B is stopped, the nitrogen valve 81 on the nitrogen pipe 8 is opened at the same time, and the nitrogen pressure is controlled to be 0.3Mpa (G).
Claims (3)
1. A system for continuously conveying solid mixed materials into a chlorination furnace is characterized in that: the chlorination furnace comprises a mixture bin, two bin pumps arranged in parallel and a chlorination furnace, wherein the two bin pumps arranged in parallel are respectively marked as a bin pump A and a bin pump B;
the two feeding pipes are connected with a mixture bin and are respectively provided with a feeding valve;
the two exhaust pipes are connected with the mixture bin and are respectively provided with an exhaust valve;
the two air inlet pipes are both connected with a fluidizing air source, and are respectively provided with an air inlet valve;
on two discharging pipes joined the back unified connection chlorination furnace, be equipped with the bleeder valve on two discharging pipes respectively, be equipped with the nitrogen gas pipe on the pipeline after two discharging pipes joined, be equipped with nitrogen gas valve and nitrogen gas manometer on the nitrogen gas pipe.
2. A system for continuously conveying a solid mixed material into a chlorination furnace according to claim 1, wherein: the exhaust valve, the feeding valve, the discharging valve and the nitrogen valve are automatic switch valves, and the air inlet valve is an automatic adjusting valve.
3. A system for continuously conveying a solid mixed material into a chlorination furnace according to claim 1, wherein: the bin pump pressure gauge, the chlorination furnace pressure gauge and the nitrogen pressure gauge are all electronic pressure gauges.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121483549.2U CN215963473U (en) | 2021-06-30 | 2021-06-30 | System for solid mixed material is carried into chlorination furnace in succession |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121483549.2U CN215963473U (en) | 2021-06-30 | 2021-06-30 | System for solid mixed material is carried into chlorination furnace in succession |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215963473U true CN215963473U (en) | 2022-03-08 |
Family
ID=80578733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202121483549.2U Active CN215963473U (en) | 2021-06-30 | 2021-06-30 | System for solid mixed material is carried into chlorination furnace in succession |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215963473U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
2021
- 2021-06-30 CN CN202121483549.2U patent/CN215963473U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201545512U (en) | Limestone continuous conveying system | |
CN215963473U (en) | System for solid mixed material is carried into chlorination furnace in succession | |
CN207204785U (en) | A kind of gas circuit purging system | |
CN113351121A (en) | System and method for continuously conveying solid mixed material into chlorination furnace | |
CN210149987U (en) | Inflammable and explosive liquid conveying device | |
CN201651755U (en) | Liquid argon conveyer | |
CN216743824U (en) | Air charging and exhausting system of high-pressure air compressor | |
CN218544016U (en) | Device for nitrogen gas serial-connection circulating nitrogen compressor inlet pipeline of air separation system | |
CN206827630U (en) | A kind of Pneumatic Sample Transfer Machine | |
CN207049622U (en) | The dual gas supply control system of Pneumatic anti-surging valve | |
CN211118731U (en) | Recycling device for L NG evaporation gas of ship | |
CN219530553U (en) | Air inlet control device for running different gases of supercharging equipment | |
CN210104072U (en) | TMA medium supply system | |
CN218781320U (en) | High temperature reactor fuel element delivery system | |
CN218882226U (en) | Oxygen therapy structure for realizing environment-friendly uniform-pressure liquid oxygen delivery | |
CN217274103U (en) | Novel bed material adding system of circulating fluidized bed boiler | |
CN207033702U (en) | A kind of system for preventing piston compressor import superpressure | |
CN107202246A (en) | A kind of external-compression type HTHP material dosing conveying device | |
CN207334235U (en) | Portable aerating case | |
CN217961653U (en) | Dust removal and purification ash pneumatic conveying nitrogen recovery system for calcium carbide furnace | |
CN111219594A (en) | LNG storage tank gas transmission and replacement process | |
CN217296381U (en) | Pneumatic ash conveying device for conveying coal | |
CN214471954U (en) | High-low pressure gas-liquid mixed conveying and extracting device | |
CN218452266U (en) | Dustproof discharge system of coal pulverizer stone coal | |
CN217050691U (en) | Material conveying device based on pressure balance |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220531 Address after: 233000 room 1007, 10th floor, Ziyang building, No. 99, Mingzhu Road, Huaishang District, Bengbu City, Anhui Province Patentee after: Bengbu Guoti nano material Co.,Ltd. Address before: 233000 block B, north of Donghai Avenue and east of Longjin Road, Longzihu District, Bengbu City, Anhui Province Patentee before: Bengbu ZHONGCI Nano Technology Co.,Ltd. |
|
TR01 | Transfer of patent right |