CN201776083U - Material returning device of flue gas desulfurization system - Google Patents
Material returning device of flue gas desulfurization system Download PDFInfo
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- CN201776083U CN201776083U CN2010205118755U CN201020511875U CN201776083U CN 201776083 U CN201776083 U CN 201776083U CN 2010205118755 U CN2010205118755 U CN 2010205118755U CN 201020511875 U CN201020511875 U CN 201020511875U CN 201776083 U CN201776083 U CN 201776083U
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- dust
- dust storage
- storage warehouse
- flue gas
- returning device
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Abstract
The utility model relates to a material returning device of a flue gas desulfurization system, which includes a dust storage compartment, wherein a material inlet is arranged at the top of the dust storage compartment, a material outlet is arranged at the bottom of the dust storage compartment, and a weighting module is arranged on the dust storage compartment. In the utility model, the weighting module is arranged on the dust storage compartment and used for detecting the quantity of dust in the dust storage compartment, and the detection results are taken as the basis for determining whether too much dust is stored in the system and whether to convey the dust to an ash silo; and the weighting module can continuously detect the quantity of dust conveyed to a desulfuration reaction tower, and provides the important basis for efficient operation and parameter correction of the system.
Description
Technical field
The utility model relates to stack gas desulfurization system of circulating fluid bed, specifically a kind of material-returning device of flue gas desulphurization system.
Background technology
In circulating fluid bed flue gas desulfurization technique, dust in flue gas need be collected by sack cleaner in the ash bucket of deduster self, by different control technology the dust collected is transported in the desulfurization reaction tower in the desulphurization system by flow control valve then.Along with the increase of system operation time, when the dust in the ash bucket moves required quantity above system, need unnecessary part is transported in the grey storehouse, as offal treatment by effluxing valve.
The key link of control technology is whether quantity how to judge dust in the ash bucket surpasses the required quantity of system's operation, can cause the dust of storage in the system too much if judge inaccuracy, produces and stops up.Simultaneously, need be to the continuous monitoring of intrasystem dust quantity, thus calculate the quantity of the dust in the desulfurization reaction tower that is transported in the desulphurization system, the foundation of reference is provided for the operation of system high efficiency.
The control technology that the stack gas desulfurization system of circulating fluid bed that is moved at present adopts is: judge what of dust quantity in the ash bucket by the stuff level switch on the dust collector ash hopper, when the height of piling up in ash bucket when dust reaches the position at high charge level place, dust quantity surpasses the required quantity of system's operation in the illustrative system, system begins dust is transported to grey storehouse, reduce to the position of low material level up to the dust piling height, system stops to carry.
The shortcoming of this control technology is: 1, the sizing phenomenon appears in stuff level switch easily, and ash bucket is prone to wall sticking phenomenon, and these all can cause the stuff level switch false alarm, and what cause system mistake is transported to dust grey storehouse.Often need operating personnel to judge actual conditions by experience, correction is made in the judgement of control system, system is difficult to realize automation.2, stuff level switch detects and to belong to the switching value signal, can't the continuous detecting ash bucket in the quantity of dust, can't provide the data reference for the system high efficiency operation.
Summary of the invention
The utility model provides a kind of material-returning device of flue gas desulphurization system at the problems referred to above, and this device accurately stores the quantity of dust in the detection system, and can detect the dust quantity that is delivered in the desulfurization reaction tower continuously.
According to the technical solution of the utility model: a kind of material-returning device of flue gas desulphurization system, comprise the dust storage warehouse, the top of described dust storage warehouse is provided with charging aperture, and the bottom of described dust storage warehouse is provided with discharging opening, and described dust storage warehouse is provided with Weighing module.
The top of described dust storage warehouse is provided with at least two back timbers, and stretch out outside the sidewall of described dust storage warehouse at the two ends of described back timber, and described Weighing module is arranged in the bottom, two ends of described back timber.Described dust storage warehouse is a ship type structure, and its bottom angled is provided with.The bottom of described dust storage warehouse is provided with air flume.The bottom of described dust storage warehouse is provided with discharging valve.The pipeline that is connected with described dust storage warehouse is and is flexible coupling.
Technique effect of the present utility model is: the utility model dust storage warehouse is provided with Weighing module, detect the quantity of dust in the dust storage warehouse by Weighing module, whether too much with this as the dust that stores in the system, whether need to be transported to the foundation in grey storehouse; Weighing module also continuous monitoring is transported to the quantity of dust in the desulfurization reaction tower, for efficient operation, the parameter correction of system provides strong foundation; In the utility model, the pipeline that is connected with the dust storage warehouse is and is flexible coupling, and having avoided being rigidly connected exerts an influence to testing result, has guaranteed the accuracy and the reliability of the work of weighing.
Description of drawings
Fig. 1 is for using the flow arrangement figure of flue gas desulphurization system of the present utility model;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the left view of Fig. 2.
The specific embodiment
As shown in Figure 1, the utility model has been abandoned the mode of dust collector ash hopper 8 storage dust, but be provided with the utility model in dust collector ash hopper 8 discharging opening bottoms, be that material-returning device 6 stores dust, directly or be aggregated into by air flume 7 in the dust storage warehouse 11 (referring to Fig. 2) of material-returning device 6 with the dust in the ash bucket 8.Material-returning device 6 is transported in the desulfurization reaction tower 1 in the desulphurization system by flow control valve 3 and air flume 2 again; When the dust in the material-returning device 6 moves required quantity above system, unnecessary part is transported in the grey storehouse, as offal treatment by pipeline 4 by discharging valve 5.
As Fig. 2, Fig. 3 and shown in Figure 4, the utility model is a kind of material-returning device of flue gas desulphurization system, comprises dust storage warehouse 11.Dust storage warehouse 11 is welded by steel plate and shaped steel, and its top is provided with charging aperture 10, and the quantity of charging aperture 10 is decided by the quantity of supporting dust collector ash hopper 8; The bottom of dust storage warehouse 11 is provided with discharging opening 12, and dust storage warehouse 11 is provided with Weighing module 15, makes material-returning device 6 form the dust storehouse of weighing, and this dust storehouse of weighing has replaced the combination of dust collector ash hopper of the prior art and stuff level switch.Whether Weighing module 15 is responsible for detecting the quantity of dust in the dust storage warehouse 11, too much as the dust that stores in the system with this, whether needs to be transported to the foundation in grey storehouse; Simultaneously, Weighing module 15 continuous monitorings are transported to the quantity of dust in the desulfurization reaction tower.Adopt Weighing module 15, compare, eliminated the phenomenon of false alarm substantially with traditional stuff level switch.
A kind of mounting structure of Weighing module 15 is, be provided with at least two back timbers 9 at the top of dust storage warehouse 11, in the present embodiment be three, stretch out outside the sidewall of dust storage warehouse 11 at the two ends of back timber 9, Weighing module 15 is connected the bottom, two ends of back timber 9 by bolt, and is arranged on the interior basis 16 of factory building.
Use dust storage warehouse 11 equipment as unique storage dust in the whole system to face following risk: Dust Capacity is big, the storage time is long, easily harden, putting up a bridge causes obstruction etc.So dust storage warehouse 11 adopts ship type structure, its bottom angled is provided with, and compares original ash bucket form structure and greatly reduces risk.
The bottom of dust storage warehouse 11 can also be provided with air flume 13, and air flume 13 is fixed on the dust storage warehouse 11 by collet 14.The effect of air flume 13 is that the dust in the storehouse is more easily transferred out, and can certainly adopt other conveying equipment.The bottom of dust storage warehouse 11 also is provided with discharging valve 5, by discharging valve 5 unnecessary dust is transported in the grey storehouse.In order to guarantee dust storage warehouse 11 the weigh accuracy and the reliability of work, the pipeline that is connected with dust storage warehouse 11 is and is flexible coupling, and avoiding being rigidly connected exerts an influence to testing result.These pipelines have dust pipeline, instrument piping, cable channel etc.Adopt stack gas desulfurization system of circulating fluid bed of the present utility model, realized continuous monitoring, for efficient operation, the parameter correction of system provides strong foundation dust quantity.
Claims (6)
1. the material-returning device of a flue gas desulphurization system, it is characterized in that: comprise dust storage warehouse (11), the top of described dust storage warehouse (11) is provided with charging aperture (10), the bottom of described dust storage warehouse (11) is provided with discharging opening (12), and described dust storage warehouse (11) is provided with Weighing module (15).
2. according to the material-returning device of the described flue gas desulphurization system of claim 1, the top that it is characterized in that described dust storage warehouse (11) is provided with at least two back timbers (9), stretch out outside the sidewall of described dust storage warehouse (11) at the two ends of described back timber (9), and described Weighing module (15) is arranged in the bottom, two ends of described back timber (9).
3. according to the material-returning device of claim 1 or 2 described flue gas desulphurization systems, it is characterized in that described dust storage warehouse (11) is ship type structure, its bottom angled is provided with.
4. according to the material-returning device of the described flue gas desulphurization system of claim 3, it is characterized in that the bottom of described dust storage warehouse (11) is provided with air flume (13).
5. according to the material-returning device of the described flue gas desulphurization system of claim 1, it is characterized in that the bottom of described dust storage warehouse (11) is provided with discharging valve (5).
6. according to the material-returning device of the described flue gas desulphurization system of claim 1, it is characterized in that the pipeline that is connected with described dust storage warehouse (11) is to be flexible coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205118755U CN201776083U (en) | 2010-08-30 | 2010-08-30 | Material returning device of flue gas desulfurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205118755U CN201776083U (en) | 2010-08-30 | 2010-08-30 | Material returning device of flue gas desulfurization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201776083U true CN201776083U (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205118755U Expired - Fee Related CN201776083U (en) | 2010-08-30 | 2010-08-30 | Material returning device of flue gas desulfurization system |
Country Status (1)
| Country | Link |
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| CN (1) | CN201776083U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947412A (en) * | 2010-08-30 | 2011-01-19 | 无锡市天虹环保工程有限公司 | Charge returning device of flue gas desulfurization system |
| CN107720297A (en) * | 2017-10-20 | 2018-02-23 | 福建龙净脱硫脱硝工程有限公司 | A kind of material position balance system and control method |
| CN111229040A (en) * | 2019-10-08 | 2020-06-05 | 黄震 | Novel weighing type ship-shaped ash bucket |
-
2010
- 2010-08-30 CN CN2010205118755U patent/CN201776083U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947412A (en) * | 2010-08-30 | 2011-01-19 | 无锡市天虹环保工程有限公司 | Charge returning device of flue gas desulfurization system |
| CN107720297A (en) * | 2017-10-20 | 2018-02-23 | 福建龙净脱硫脱硝工程有限公司 | A kind of material position balance system and control method |
| CN107720297B (en) * | 2017-10-20 | 2019-05-31 | 福建龙净脱硫脱硝工程有限公司 | A kind of material position balance system and control method |
| CN111229040A (en) * | 2019-10-08 | 2020-06-05 | 黄震 | Novel weighing type ship-shaped ash bucket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20130830 |