CN204746042U - Automatic sulfur dioxide of flue gas desulfurization equipment detects control system - Google Patents
Automatic sulfur dioxide of flue gas desulfurization equipment detects control system Download PDFInfo
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- CN204746042U CN204746042U CN201520449173.1U CN201520449173U CN204746042U CN 204746042 U CN204746042 U CN 204746042U CN 201520449173 U CN201520449173 U CN 201520449173U CN 204746042 U CN204746042 U CN 204746042U
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- sulfur dioxide
- check valve
- flue gas
- desulfurizing tower
- controller
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Abstract
The utility model provides an automatic sulfur dioxide of flue gas desulfurization equipment detects control system, including desulfurizing tower and sulfur dioxide detection the control unit, sulfur dioxide detects the control unit and includes sulfur dioxide detector, controller, electronic check valve, electric check valve and circulating line, the income tobacco pipe of desulfurizing tower says to set up and circulates the mouth that the play tobacco pipe is said and is seted up flue gas backward flow mouth, a port and the flue gas backward flow mouth of circulating line are connected, and another port is gone into the mouth with the circulation and is connected, electronic check valve setting is in the circulating line, and electric check valve sets up in the play tobacco pipe of keeping away from one side of the outlet flue end of desulfurizing tower of flue gas backward flow mouthful is said, the sense terminal setting of sulfur dioxide detector is at the outlet flue of desulfurizing tower, and the output is connected with the controller, the output of controller is connected with electronic check valve and electric check valve's control end respectively. The utility model discloses can realize sulfur dioxide's in the flue gas of real -time supervision behind desulfurization process concentration and can in time handle flue gas not up to standard.
Description
Technical field
The utility model relates to flue gas desulfurization device technical field, especially the automatic sulfur dioxide detecting and controlling system of flue gas desulfurization device.
Background technology
Sulfur dioxide (SO
2) as the main component of flue gas, one of major source becoming atmosphere pollution, therefore, very strict to the requirement of the concentration of sulfur dioxide in the industrial smoke of discharge.
At present, the SO 2 from fume removing process generally adopted is the wet type desulfurizing technique of desulfurizing tower.Owing to there is the factor much affecting sulfur dioxide removal efficiency in wet type desulfurizing technique, therefore, the concentration of the sulfur dioxide in flue gas after desulfurization process often has fluctuation, even can exceed discharge standard, cause environmental pollution.Therefore, need develop can the sulfur dioxide in flue gas of Real-Time Monitoring after desulfurization process concentration and can in time to the flue gas desulfurization device that flue gas not up to standard processes, can not the concentration of sulfur dioxide in flue gas after Real-Time Monitoring desulfurization process to solve existing flue gas desulfurization device, can not in time to the technical problem that flue gas not up to standard processes.
Utility model content
The purpose of this utility model is to provide the automatic sulfur dioxide detecting and controlling system of flue gas desulfurization device, solving existing flue gas desulfurization device can not the concentration of sulfur dioxide in flue gas after Real-Time Monitoring desulfurization process, can not in time to the technical problem that flue gas not up to standard processes.
In order to achieve the above object, the utility model provides following technical scheme:
The automatic sulfur dioxide detecting and controlling system of flue gas desulfurization device, comprise desulfurizing tower and sulfur dioxide detection control unit, described sulfur dioxide detection control unit comprises the first sulfur dioxide detector, controller, electronic check valve, electric check valve and circulating line; The entering smoke pipeline offers of described desulfurizing tower is recycled into mouth, smoke pipeline is offered smoke backflow mouth; The Single port of described circulating line is connected with described smoke backflow mouth, and another port is connected with the described mouth that is recycled into; Described electronic check valve is arranged in described circulating line, and described electric check valve is arranged in the smoke pipeline of the side of the outlet flue end away from described desulfurizing tower of described smoke backflow mouth; The test side of described first sulfur dioxide detector is arranged on the outlet flue of described desulfurizing tower, and output is connected with described controller; The output of described controller is connected with the control end of described electronic check valve and electric check valve respectively; Control the unlatching of electronic check valve and the closedown of electric check valve simultaneously, or control the closedown of electronic check valve and the unlatching of electric check valve simultaneously.
Further, also comprise the second sulfur dioxide detector, the test side of described second sulfur dioxide detector is arranged on the smoke inlet of described desulfurizing tower, and output is connected with described controller.The concentration of the sulfur dioxide do not carried out in the flue gas of desulfurization process is detected in real time simultaneously, compared by the concentration detecting the sulfur dioxide obtained with the first sulfur dioxide detector, the removal efficiency of real-time detection sulfur dioxide, monitors desulfurizing tower effectively.
Further, also comprise alarm, the control end of described alarm is connected with described controller.When the sulfur dioxide concentration in the smoke that the first sulfur dioxide detector detects exceeds discharge standard (pre-setting in controller), controller will send control signal to alarm, alarm is opened and is reported to the police, prompting staff carries out adjustment maintenance to desulfurizing tower, ensures that desulfurizing tower works effectively.
Further, also comprise desulfurizing tower for subsequent use and motor-driven valve for subsequent use, the smoke inlet of described desulfurizing tower for subsequent use connects connecting pipe for subsequent use, what described connecting pipe was connected with the smoke inlet of described desulfurizing tower enter smoke pipeline is communicated with, both connectivity parts arrange described motor-driven valve, and the control end of described motor-driven valve for subsequent use is connected with described controller.When the sulfur dioxide concentration in the smoke that the first sulfur dioxide detector detects exceed discharge standard a lot of time, controller control motor-driven valve for subsequent use open, flue gas is flowed in desulfurizing tower for subsequent use and carries out desulfurization, ensure discharge sulfur dioxide in flue gas concentration up to standard.
Particularly, described electronic check valve adopts Unidirectional solenoid valve.
The automatic sulfur dioxide detecting and controlling system of flue gas desulfurization device of the present utility model, sulfur dioxide detector detects desulfurizing tower outlet flue place sulfur dioxide in flue gas concentration values (or with other parameter values concentration dependent), and this numerical value is exported in controller, the numerical value of this numerical value and its internal preset is compared by controller, when exceeding preset value, controller sends control signal, control the unlatching of electronic check valve and the closedown of electric check valve, the cut-off of the flue gas of desulfurizing tower outlet flue is realized to flow to downstream processors, and make it be back to the smoke inlet of desulfurizing tower by circulating line, again enter desulfurizing tower again and carry out desulfurization process.The utility model by control by sulfur dioxide detector, controller, electronic check valve and electric check valve with the use of, realize the sulfur dioxide in flue gas of Real-Time Monitoring after desulfurization process concentration and can in time to the flue gas desulfurization device that flue gas not up to standard processes.
Further combined with the alarm function of alarm, staff's Timeliness coverage problem, carries out maintenance adjustment to desulfurizing tower, ensures the desulfurized effect of desulfurizing tower.
Further, design a set of desulfurizing tower system for subsequent use, desulfurizing tower in conventional processing systems occurs abnormal, the sulfur dioxide in flue gas of discharging is caused to exceed standard seriously, when simple reflux cycle desulfurization can not be dealt with problems, flue gas is imported in desulfurizing tower system for subsequent use, desulfurization process is effectively carried out to flue gas, and provide staff to occurring that abnormal desulfurizing tower overhauls.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the automatic sulfur dioxide detecting and controlling system structural representation of the utility model flue gas desulfurization device;
Fig. 2 is the automatic sulfur dioxide detecting and controlling system structural representation of the utility model flue gas desulfurization device.
Detailed description of the invention
Below in conjunction with accompanying drawing of the present utility model, be clearly and completely described the technical solution of the utility model, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
According to Fig. 1, the automatic sulfur dioxide detecting and controlling system of flue gas desulfurization device of the present utility model is described, comprise desulfurizing tower 1 and sulfur dioxide detection control unit, described sulfur dioxide detection control unit comprises the first sulfur dioxide detector 21, controller 22, electronic check valve 23 (specifically can adopt Unidirectional solenoid valve), electric check valve 24 and circulating line 25; The entering smoke pipeline 11 offers of described desulfurizing tower 1 is recycled into mouth 111, smoke pipeline 12 is offered smoke backflow mouth 121; The Single port of described circulating line 25 is connected with described smoke backflow mouth 121, and another port is connected with the described mouth 111 that is recycled into; Described electronic check valve 23 is arranged in described circulating line 25, and described electric check valve 24 is arranged in the smoke pipeline 12 of the side of the outlet flue end away from described desulfurizing tower 1 of described smoke backflow mouth 121; The test side of described first sulfur dioxide detector 21 is arranged on the outlet flue of described desulfurizing tower 1, and output is connected with described controller 22; The output of described controller 22 is connected with the control end of described electronic check valve 23 and electric check valve 24 respectively; Control the unlatching of electronic check valve 23 and the closedown of electric check valve 24 simultaneously, or control the closedown of electronic check valve 23 and the unlatching of electric check valve 24 simultaneously.The concentration realizing the sulfur dioxide in flue gas of Real-Time Monitoring after desulfurization process also can in time to the flue gas desulfurization device that flue gas not up to standard processes.
As preferred technical scheme, also comprise the second sulfur dioxide detector 3, the test side of described second sulfur dioxide detector 3 is arranged on the smoke inlet of described desulfurizing tower 1, and output is connected with described controller 22.The concentration of the sulfur dioxide do not carried out in the flue gas of desulfurization process is detected in real time simultaneously, compared by the concentration detecting the sulfur dioxide obtained with the first sulfur dioxide detector, the removal efficiency of real-time detection sulfur dioxide, monitors desulfurizing tower effectively.
In order to allow staff's Timeliness coverage problem, in time adjustment being overhauled to desulfurizing tower 1, ensureing the desulfurized effect of desulfurizing tower.Also set up inner alarm 4, the control end of described alarm 4 is connected with described controller 22.
Desulfurizing tower in conventional processing systems occurs abnormal, the sulfur dioxide in flue gas of discharging is caused to exceed standard seriously, when simple reflux cycle desulfurization can not be dealt with problems, a set of desulfurizing tower system for subsequent use has been set up in the utility model, as shown in Figure 2, comprise desulfurizing tower 51 for subsequent use and motor-driven valve for subsequent use 52, the smoke inlet of described desulfurizing tower for subsequent use 51 connects connecting pipe 53 for subsequent use, described connecting pipe for subsequent use 53 is communicated with the smoke pipeline 11 that enters of described desulfurizing tower 1, both connectivity parts arrange described motor-driven valve 52, the control end of described motor-driven valve for subsequent use 52 is connected with described controller 22.When the sulfur dioxide concentration in the smoke that the first sulfur dioxide detector detects exceed discharge standard a lot of time (this difference can pre-set controller according to actual conditions), controller 22 controls motor-driven valve 52 for subsequent use and opens, flue gas is flowed in desulfurizing tower 51 for subsequent use and carry out desulfurization, ensure that the sulfur dioxide in flue gas concentration of discharging is up to standard.
The above; be only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with the protection domain of claim.
Claims (5)
1. the automatic sulfur dioxide detecting and controlling system of flue gas desulfurization device, it is characterized in that: comprise desulfurizing tower and sulfur dioxide detection control unit, described sulfur dioxide detection control unit comprises the first sulfur dioxide detector, controller, electronic check valve, electric check valve and circulating line; The entering smoke pipeline offers of described desulfurizing tower is recycled into mouth, smoke pipeline is offered smoke backflow mouth; The Single port of described circulating line is connected with described smoke backflow mouth, and another port is connected with the described mouth that is recycled into; Described electronic check valve is arranged in described circulating line, and described electric check valve is arranged in the smoke pipeline of the side of the outlet flue end away from described desulfurizing tower of described smoke backflow mouth; The test side of described first sulfur dioxide detector is arranged on the outlet flue of described desulfurizing tower, and output is connected with described controller; The output of described controller is connected with the control end of described electronic check valve and electric check valve respectively; Control the unlatching of electronic check valve and the closedown of electric check valve simultaneously, or control the closedown of electronic check valve and the unlatching of electric check valve simultaneously.
2. the automatic sulfur dioxide detecting and controlling system of flue gas desulfurization device according to claim 1, it is characterized in that: also comprise the second sulfur dioxide detector, the test side of described second sulfur dioxide detector is arranged on the smoke inlet of described desulfurizing tower, and output is connected with described controller.
3. the automatic sulfur dioxide detecting and controlling system of flue gas desulfurization device according to claim 1 and 2, it is characterized in that: also comprise desulfurizing tower for subsequent use and motor-driven valve for subsequent use, the smoke inlet of described desulfurizing tower for subsequent use connects connecting pipe for subsequent use, what described connecting pipe was connected with the smoke inlet of described desulfurizing tower enter smoke pipeline is communicated with, both connectivity parts arrange described motor-driven valve, and the control end of described motor-driven valve for subsequent use is connected with described controller.
4. the automatic sulfur dioxide detecting and controlling system of flue gas desulfurization device according to claim 3, is characterized in that: also comprise alarm, and the control end of described alarm is connected with described controller.
5. the automatic sulfur dioxide detecting and controlling system of the flue gas desulfurization device according to claim 1,2 or 4, is characterized in that: described electronic check valve adopts Unidirectional solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520449173.1U CN204746042U (en) | 2015-06-26 | 2015-06-26 | Automatic sulfur dioxide of flue gas desulfurization equipment detects control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520449173.1U CN204746042U (en) | 2015-06-26 | 2015-06-26 | Automatic sulfur dioxide of flue gas desulfurization equipment detects control system |
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|---|---|
| CN204746042U true CN204746042U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520449173.1U Expired - Fee Related CN204746042U (en) | 2015-06-26 | 2015-06-26 | Automatic sulfur dioxide of flue gas desulfurization equipment detects control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107596879A (en) * | 2017-10-25 | 2018-01-19 | 安徽华创环保设备科技有限公司 | A kind of automatic feeding control system of desulfurization device |
| CN110339700A (en) * | 2019-06-22 | 2019-10-18 | 宁波世茂能源股份有限公司 | Waste incinerated smoke purification system |
| CN110554139A (en) * | 2019-09-25 | 2019-12-10 | 骆驼集团(安徽)再生资源有限公司 | Real-time monitoring system for sulfur-containing tail gas in secondary lead smelting |
| CN113805615A (en) * | 2021-09-09 | 2021-12-17 | 井冈山北新建材有限公司 | System and method for automatically adjusting concentration of desulfurization slurry |
| CN113813756A (en) * | 2021-10-20 | 2021-12-21 | 国家能源集团重庆恒泰发电有限公司 | Flue gas purification system of coal-fired unit |
-
2015
- 2015-06-26 CN CN201520449173.1U patent/CN204746042U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107596879A (en) * | 2017-10-25 | 2018-01-19 | 安徽华创环保设备科技有限公司 | A kind of automatic feeding control system of desulfurization device |
| CN110339700A (en) * | 2019-06-22 | 2019-10-18 | 宁波世茂能源股份有限公司 | Waste incinerated smoke purification system |
| CN110554139A (en) * | 2019-09-25 | 2019-12-10 | 骆驼集团(安徽)再生资源有限公司 | Real-time monitoring system for sulfur-containing tail gas in secondary lead smelting |
| CN113805615A (en) * | 2021-09-09 | 2021-12-17 | 井冈山北新建材有限公司 | System and method for automatically adjusting concentration of desulfurization slurry |
| CN113805615B (en) * | 2021-09-09 | 2023-05-05 | 井冈山北新建材有限公司 | System and method for automatically adjusting concentration of desulfurization slurry |
| CN113813756A (en) * | 2021-10-20 | 2021-12-21 | 国家能源集团重庆恒泰发电有限公司 | Flue gas purification system of coal-fired unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20160626 |