CN202962256U - Electrical control device for graphitization furnace tail gas treatment equipment - Google Patents
Electrical control device for graphitization furnace tail gas treatment equipment Download PDFInfo
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- CN202962256U CN202962256U CN 201220664688 CN201220664688U CN202962256U CN 202962256 U CN202962256 U CN 202962256U CN 201220664688 CN201220664688 CN 201220664688 CN 201220664688 U CN201220664688 U CN 201220664688U CN 202962256 U CN202962256 U CN 202962256U
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- tail gas
- gas treatment
- master controller
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Abstract
The utility model discloses an electrical control device for graphitization furnace tail gas treatment equipment. The electrical control device comprises a master controller, and a fan control module, a valve control module and a pump control module which are connected with the master controller respectively, wherein the fan control module is connected with an external induced draft fan through a circuit; the valve control module is connected with an electric air valve of an external fresh air system through a circuit; and the pump control module is connected with each working pump of an external turbulent contact absorber through a circuit. Real-time monitoring and remote control can be realized, the tail gas of multiple graphitization furnaces is effectively treated, nontoxic tail gas discharge is realized, and the device has obvious social benefits and economic benefits.
Description
Technical field
The utility model relates to the purification apparatus of the industry tail gas such as graphite, photovoltaic, metallurgy, chemical industry, machinery, electronics, plating, medicine, particularly a kind of electrical control gear of graphitizing furnace tail gas treatment device.
Background technology
Pass into halogen gas (as chlorine) when graphitizing furnace is heated to cleansing temp, halogen gas under hot conditions with graphite material in impurity element such as Fe, Ca, Ba, K, B etc. react, generate halide.These novel compounds are gaseous state when cleansing temp, discharge from the exhaust outlet of graphitizing furnace, a part does not participate in the halogen gas of purifying chemical reaction and sulfur dioxide and dust that raw material at high temperature overflows also discharge from the exhaust outlet of graphitizing furnace.
Reach 170 ~ 190 ℃ from graphitizing furnace chloride exhaust temperature out, at first enter graphite heat exchanger after airduct is carried.After graphite heat exchanger, exhaust temperature is down to 70 ~ 75 ℃ from 170 ~ 190 ℃.Enter water dry load tower through being cooled under the effect of tail gas at air-introduced machine of 70 ~ 75 ℃.Water dry load tower adopts Natural Water as absorbing medium, and Main Function is: (1) continues to reduce exhaust temperature.(2) absorb the Cl of a part
2With HCl gas.After absorbing by absorption liquid, in tail gas, 10% chlorine can be removed, and temperature is down to 30 ~ 40 ℃.Further cooled chloride tail gas enters chlorine gas absorption tower under the effect of air-introduced machine.The spray void tower is adopted on the absorption tower, and chlorine gas absorption tower adopts the series connection of level Four alkali lye turbulent contact absorber to consist of, and the first order is connected with cooling device, platoon device of air after the fourth stage.Noncorrosive pump is inputted the absorption tower with alkali lye, and tail gas is when the absorption tower, the pernicious gases such as chlorine in alkali liquor absorption tail gas.Absorbing medium is NaOH solution, and the concentration of alkali lye is 15% ~ 20%.
In tail gas after purifying, residual chlorine gas concentration is less than 10mg/Nm
3, sulfur dioxide concentration is less than 200mg/Nm
3, tail gas up to standard discharges by aiutage under the air-introduced machine effect.
Because the tail gas of graphitizing furnace purification of graphite product discharging contains a large amount of chlorine, metal chloride, fluoride and dust, tail gas stream when heat exchanger, in the heat exchanger surface dope precipitation of easily condensing, frequent clogging heat exchanger tube road, every stove all needs fixed time cleaning; Normal production is formed certain restriction.
The tail gas of graphitizing furnace discharging contains a large amount of hypertoxicity gases (as chlorine); During exhaust emissions in stove blast require very strict, the too high running burden that not only affects purifying quality, a large amount of process gas of waste of product but also increased exhaust system of negative pressure; When negative pressure is too low, the hypertoxicity gas such as chlorine is easily revealed, and surrounding environment and direct labor's life security is caused a hidden trouble.Due to above reason, in prior art, separate unit graphitizing furnace exhaust system is the interior tail gas of processing a stove discharging at one time, this just needs to build a lot of equipment, greatly increase financial cost and cost of labor, and caused the waste of the energy, affected production efficiency; And when simultaneously the tail gas of many graphitizing furnaces being processed, just need the mode by Real Time Monitoring, Long-distance Control, otherwise, cost of labor can be increased equally.
The utility model content
The purpose of this utility model is to provide a kind of electrical control gear of graphitizing furnace tail gas treatment device, can Real Time Monitoring and Long-distance Control, guarantee effectively to process the tail gas of many graphitizing furnaces, realize the nontoxic discharging of tail gas, have significant Social benefit and economic benefit.
In order to realize above purpose, the utility model is achieved through the following technical solutions:
A kind of electrical control gear of graphitizing furnace tail gas treatment device comprises master controller, and be connected with master controller respectively:
The air-blower control module, described air-blower control module is connected by the air-introduced machine of circuit with the graphitizing furnace tail gas treatment device of outside;
Valve control module, described valve control module is connected by the air-valve in the engine manifold of circuit and the graphitizing furnace tail gas treatment device of outside;
Pump control module, described pump control module is connected by circuit with each working barrel of the turbulent contact absorber of outside.
Also comprise: switch, described master controller intercoms mutually by switch and air-blower control module, valve control module and pump control module.
Described air-blower control module, valve control module, pump control module are connected with switch and master controller by cable.
Described air-blower control module, valve control module and pump control module all adopt Redundancy Design.
Also comprise: display unit, described display unit is connected with master controller by cable.
The utility model compared with prior art has the following advantages:
Can Real Time Monitoring and Long-distance Control, guarantee effectively to process the tail gas of many graphitizing furnaces, realize the nontoxic discharging of tail gas, have significant Social benefit and economic benefit.
Description of drawings
Fig. 1 is the system block diagram of the electrical control gear of a kind of graphitizing furnace tail gas treatment device of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, by describing a better specific embodiment in detail, the utility model is further elaborated.
As shown in Figure 1, a kind of electrical control gear of graphitizing furnace tail gas treatment device comprises master controller 1, and be connected with master controller 1 respectively: air-blower control module 2, valve control module 3, pump control module 4, and switch 5 and display unit 6.Wherein, air-blower control module 2 is connected with the air-introduced machine of outside by circuit; Valve control module 3 is connected by the Electric air valve of circuit with the VMC of outside; Pump control module 4 is connected by circuit with each working barrel of the turbulent contact absorber of outside; Master controller 1 intercoms with air-blower control module 2, valve control module 3 and pump control module 4 mutually by switch 5; Display unit 6, it is connected with master controller 1 by cable.
In the present embodiment, model be installed respectively be the modular i of ET200M/O station in each control module, and use model to be connected with the CPU of model as AS417-H as the cable of Profibus-DP, communicate by the X414 switch, that is, air-blower control module 2, valve control module 3, pump control module 4 are that the cable of Profibus-DP is connected with switch 5 and master controller 1 by model.In the present embodiment, air-blower control module 2, valve control module 3 and pump control module 4 all adopt Redundancy Design, redundancy Profibus fieldbus is adopted at the modular i/O station that is ET200M, when certain control module makes a mistake, a undisturbed control transmission will occur, namely unaffected control module will continue execution and not lose any information in interruptions.
The start and stop of alkali lye acid-base value, air-introduced machine airflow pressure, working barrel are controlled in the instruction that electrical control gear of the present invention provides by master controller 1, adjust disposal ability and the processing requirements of whole system, guarantee that the tail gas that enters atmosphere reaches requirement, can realize that manual/auto operation starts and stops.On-the-spot every pump is equipped with independently operation post, and operation post has power supply, operation indication, hand/automatic switchover, startup, hold function, has the water-tight corrosion-proof function.
The signal of the sensor collection that the control system energy is outside with all gathers, and by display unit 5, it is shown, reports to the police or processes laggard line output etc.
When using, when the displays temperature of the thermometer of outside during higher than setting value, master controller 1 is controlled air-blower control module 2, regulate the blower fan frequency, simultaneously, by-pass valve control control module 3, the air-valve of opening in the engine manifold of outside graphitizing furnace tail gas treatment device is opened, otherwise, close air-valve, to reduce the temperature of gas.After gas entered outside turbulent contact absorber, when the pH value of the circulatory pool in turbulent contact absorber lower than setting value the time, master controller 1 control pump control module 4, opened the measuring pump in working barrel, until pH value is higher than setting value; During higher than predetermined fluid level, close the alkali lye dosing pump in working barrel when liquid level.By electrical control gear of the present invention, need not when the graphitizing furnace vent gas treatment, drop into a large amount of manpowers, and, need not to configure many tail gas treatment devices for many graphitizing furnaces, can be by automatically controlling, realize that the separate unit tail gas treatment device is to " one drag many " of graphitizing furnace vent gas treatment, greatly provide cost savings, improved production efficiency, have significant economic benefit and social benefit.
In sum, the electrical control gear of a kind of graphitizing furnace tail gas treatment device of the utility model can Real Time Monitoring and Long-distance Control, guarantees effectively to process the tail gas of many graphitizing furnaces, realize the nontoxic discharging of tail gas, have significant Social benefit and economic benefit.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute will be all apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (5)
1. the electrical control gear of a graphitizing furnace tail gas treatment device, is characterized in that, comprises master controller, and be connected with master controller respectively:
The air-blower control module, described air-blower control module is connected by the air-introduced machine of circuit with the graphitizing furnace tail gas treatment device of outside;
Valve control module, described valve control module is connected by the air-valve in the engine manifold of circuit and the graphitizing furnace tail gas treatment device of outside;
Pump control module, described pump control module is connected by circuit with each working barrel of the turbulent contact absorber of outside.
2. the electrical control gear of graphitizing furnace tail gas treatment device according to claim 1, is characterized in that, also comprises: switch, described master controller intercoms mutually by switch and air-blower control module, valve control module and pump control module.
3. the electrical control gear of graphitizing furnace tail gas treatment device according to claim 2, is characterized in that, described air-blower control module, valve control module, pump control module are connected with switch and master controller by cable.
4. the electrical control gear of graphitizing furnace tail gas treatment device according to claim 1, is characterized in that, described air-blower control module, valve control module and pump control module all adopt Redundancy Design.
5. the electrical control gear of graphitizing furnace tail gas treatment device according to claim 1, is characterized in that, also comprises: display unit, described display unit is connected with master controller by cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220664688 CN202962256U (en) | 2012-12-06 | 2012-12-06 | Electrical control device for graphitization furnace tail gas treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220664688 CN202962256U (en) | 2012-12-06 | 2012-12-06 | Electrical control device for graphitization furnace tail gas treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202962256U true CN202962256U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220664688 Expired - Lifetime CN202962256U (en) | 2012-12-06 | 2012-12-06 | Electrical control device for graphitization furnace tail gas treatment equipment |
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| Country | Link |
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| CN (1) | CN202962256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115682746A (en) * | 2022-10-31 | 2023-02-03 | 奇计(江苏)科技服务有限公司 | Negative electrode material graphitization furnace system and process easy for tail gas collection treatment |
-
2012
- 2012-12-06 CN CN 201220664688 patent/CN202962256U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115682746A (en) * | 2022-10-31 | 2023-02-03 | 奇计(江苏)科技服务有限公司 | Negative electrode material graphitization furnace system and process easy for tail gas collection treatment |
| CN115682746B (en) * | 2022-10-31 | 2023-09-12 | 奇计(江苏)科技服务有限公司 | Negative electrode material graphitizing furnace system and process easy to collect and treat tail gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313100 9 Zhonggang Avenue, Chicheng Town, Changxing County, Huzhou City, Zhejiang Province Patentee after: Sinosteel new materials Co.,Ltd. Address before: 313100 9 Zhonggang Avenue, Chicheng Town, Changxing County, Huzhou City, Zhejiang Province Patentee before: SINOSTEEL CORPORATION NEW MATERIAL (ZHEJIANG) Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |