CN207056290U - Ash bucket for the measurable material position of circulating fluid bed flue-gas desulfurizing - Google Patents
Ash bucket for the measurable material position of circulating fluid bed flue-gas desulfurizing Download PDFInfo
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- CN207056290U CN207056290U CN201720899430.0U CN201720899430U CN207056290U CN 207056290 U CN207056290 U CN 207056290U CN 201720899430 U CN201720899430 U CN 201720899430U CN 207056290 U CN207056290 U CN 207056290U
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Abstract
Level gauging technical field is the utility model is related to, discloses a kind of ash bucket of the measurable material position for circulating fluid bed flue-gas desulfurizing.The utility model ash bucket body is enclosed by the ash bucket side plate being obliquely installed and formed, and forms the big lower small bucket shape space of mouth suitable for reading；The longitudinal section of ash bucket body bottom portion is in del；It is additionally provided with steady wind system in ash bucket body, steady wind system includes being arranged on air distribution plate above inclined floor and along the horizontally disposed bellows of ash bucket side plate；Bellows are closed at both ends, hollow tri-prismoid, and a bellows side wall is bonded fixation with ash bucket side plate, and air port mesh sheet is set down；The air outlet of fluidized air blower is connected with the first airduct, gas gauge is in series with first airduct, the air outlet of first airduct is connected with the second airduct and the 3rd airduct respectively, second airduct air outlet connects with the air inlet on inclined floor, and the 3rd airduct air outlet stretches into ash bucket side plate and connected with the air inlet of bellows.The utility model is simple in construction, measurement accuracy is high, stability is strong.
Description
Technical field
Level gauging technical field is the utility model is related to, more particularly to a kind of for circulating fluid bed flue-gas desulfurizing
The ash bucket of measurable material position.
Background technology
Circulating Fluidized Bed Flue Gas Desulfurization Technology belongs to semi-dry process flue gas desulphurization field.In circulating fluid bed reactor, powder
Shape solid desulfurating agent is vigorously mixed in fluid bed as bed and pending flue gas and desulphurization reaction occurs, and flue gas after desulfurization is taken
Band desulfurizing agent leaves fluid bed and enters dust arrester, and desulfurizing agent is separated from purifying smoke in dust arrester and falls into ash
Bucket, then fluid bed is re-entered from ash bucket, realize the circulation of desulfurizing agent bed material.
The desulfuration efficiency of original Circulating Fluidized Bed Flue Gas Desulfurization Technology is about 93%.It is continuous recently as environmental regulation
Sternly, the requirement of power-plant flue gas deep purifying improves constantly, and Circulating Fluidized Bed Flue Gas Desulfurization Technology is also continuously available improvement, at present
The desulfuration efficiency of Circulating Fluidized Bed Flue Gas Desulfurization Technology is up to 97%.While desulfuration efficiency improves, various parts can
Requirement by property and controllability etc. also improves therewith.
Traditionally, the level gauging of desulfurizing agent uses weight dropper charge level indicator or radio frequency level-sensing device in ash bucket.Yet with ash bucket
Bottom condition of work is severe, and usage time is longer, and the reliabilities of these level gauges occurs larger with measurement accuracy
Deviation, and maintenance difficulty is larger, cost is higher.
Utility model content
The utility model provide it is a kind of it is simple in construction, measurement accuracy is high, stability is strong is taken off for recirculating fluidized bed flue gas
The ash bucket of the measurable material position of sulphur.
The technical problem of solution is：The level-sensing device used in existing circulating sulfuration bed flue gas desulphurization is disliked because of working environment
Bad, with the extension of usage time, the accuracy and stability of measurement can not be protected, and the maintenance difficulty in later stage is big, into
This height.
In order to solve the above technical problems, the utility model adopts the following technical scheme that：
The utility model is used for the ash bucket of the measurable material position of circulating fluid bed flue-gas desulfurizing, including ash bucket body, described
Its top feed mouth of ash bucket body connects with the discharging opening of dust arrester, and the discharging opening in bottom plate center passes through returning charge pipeline and desulfurization
Tower returning charge mouth connects；Also include steady wind system, supply air system and control system；The ash bucket body is by the ash bucket side that is obliquely installed
Plate, which encloses, to be formed, and forms the big lower small bucket shape space of mouth suitable for reading；The longitudinal section of the ash bucket body bottom portion is in del, including
Two symmetrically arranged inclined floors, air inlet is uniformly offered on inclined floor；Steady wind system, institute are additionally provided with ash bucket body
Stating steady wind system includes being arranged on air distribution plate above inclined floor and along the horizontally disposed bellows of ash bucket side plate；The bellows are
Closed at both ends, hollow tri-prismoid, enclosed and formed with an air port mesh sheet by two bellows side walls, two bellows side wall junctions
One group of air inlet is offered along bellows bearing of trend, a bellows side wall is bonded fixation with ash bucket side plate, and mesh sheet court in air port divides into
Put；The supply air system includes fluidized air blower, magnetic valve and gas gauge, and the air outlet of fluidized air blower and the first airduct connect
Connect, be sequentially connected in series magnetic valve and gas gauge on the first airduct, the air outlet of the first airduct respectively with the second airduct and
Three airducts connect, and the second airduct air outlet connects with the air inlet on inclined floor, and the 3rd airduct air outlet stretches into ash bucket side plate
Connected with the air inlet of bellows；The signal output part of the gas gauge electrically connects with the signal input part of control system, institute
State the signal input part of magnetic valve to electrically connect with the signal output part of control system, the signal output part and control system of magnetic valve
Signal input part electrical connection.
The utility model is used for the ash bucket of the measurable material position of circulating fluid bed flue-gas desulfurizing, further, the ash bucket
Side plate includes a pair of long slabs and a pair of short slabs, is symmetrical arranged.
The utility model is used for the ash bucket of the measurable material position of circulating fluid bed flue-gas desulfurizing, further, the ash bucket
The angle of long slab and short slab and horizontal direction in side plate is for 50-70 °
The utility model is used for the ash bucket of the measurable material position of circulating fluid bed flue-gas desulfurizing, further, the inclination
Bottom plate and the angle of horizontal direction are 5-10 °.
The utility model is used for the ash bucket of the measurable material position of circulating fluid bed flue-gas desulfurizing, further, the air port
Mesh sheet is made of sintering silk screen.
The utility model is used for the ash bucket of the measurable material position of circulating fluid bed flue-gas desulfurizing, further, two wind
The width of case side wall is consistent, and the angle between biside plate is 25-35 °.
The utility model is used for the ash bucket of the measurable material position of circulating fluid bed flue-gas desulfurizing, further, described second
Airduct is consistent with the caliber of the 3rd airduct, and the ratio between caliber of the first airduct and the second airduct is 1.5-2：1.
The utility model is used for the ash bucket of the measurable material position of circulating fluid bed flue-gas desulfurizing compared with prior art, has
Following beneficial effect：
The utility model is used for the ash bucket of the measurable material position of circulating fluid bed flue-gas desulfurizing to the fluidized wind system in ash bucket
System is improved so that the fluidized wind in ash bucket can be uniformly distributed, and not only reduce the phenomenon that ash bucket blocks, and can make
Obtain the sorbent particle in ash bucket and be uniformly fluidized wind picking-up, be in metastable fluidization in ash bucket, using in airduct
Obtained blast is measured to represent the material position in ash bucket；This measuring method result accuracy rate is high, and error rate is small, and stability is good, most
The severe use environment that reduces of limits influences to caused by equipment.
The utility model is respectively provided with air outlet device in ash bucket surrounding side wall and bottom, coordinates the fluidized wind of all directions
Flowing angle, make its cooperation, relatively stable, controllable blast environment can be formed in ash bucket, substantially increases ash bucket
The Stability and veracity of level gauging.
The ash bucket of the measurable material position of the present utility model for circulating fluid bed flue-gas desulfurizing is made below in conjunction with the accompanying drawings
Further illustrate.
Brief description of the drawings
Fig. 1 is the front view of the ash bucket for the measurable material position that the utility model is used for circulating fluid bed flue-gas desulfurizing；
Fig. 2 is application system schematic diagram of the present utility model；
Fig. 3 is the side view of ash bucket；
Fig. 4 is the top view of ash bucket；
Fig. 5 is the Longitudinal cross section schematic of bellows.
Reference：
1- ash bucket bodies；11- inclined floors；12- ash bucket side plates；2- air distribution plates；3- bellows；31- air ports mesh sheet；32- wind
Case side wall；4- fluidized air blowers；The airducts of 51- first；The airducts of 52- second；The airducts of 53- the 3rd；61- gas gauges；62- electromagnetism
Valve；7- dust arresters；8- desulfurizing towers；9- returning charge pipelines.
Embodiment
As Figure 1-Figure 4, the utility model includes for the ash bucket of the measurable material position of circulating fluid bed flue-gas desulfurizing
Ash bucket body 1, steady wind system, supply air system and control system；As shown in Fig. 2 its top feed mouth of ash bucket body 1 fills with dedusting
7 discharging opening connection is put, the discharging opening in bottom plate center is connected by returning charge pipeline 9 with the returning charge mouth of desulfurizing tower 8；Ash bucket body 1 by
The ash bucket side plate 12 being obliquely installed, which encloses, to be formed, and ash bucket side plate 12 includes a pair of long slabs and a pair of short slabs, is symmetrical arranged, in formation
The small bucket shape space of the big lower mouth of mouth, long slab and short slab and the angle of horizontal direction are for 50-70 °；Indulge the bottom of ash bucket body 1
Section is in del, including two symmetrically arranged inclined floors 11, and air inlet is uniformly offered on inclined floor 11, tilts bottom
Plate 11 and the angle of horizontal direction are 5-10 °；Steady wind system is provided with ash bucket body 1, steady wind system includes being arranged on inclination
The air distribution plate 2 of the top of bottom plate 11 and along the horizontally disposed bellows 3 of ash bucket side plate 12；Air distribution plate 2 is mutually fitted with the bottom of ash bucket body 1
Should；As shown in figure 5, bellows 3 are closed at both ends, hollow tri-prismoid, by two bellows side walls 32 and an air port mesh sheet 31
Enclose and form, the junction of two bellows side wall 32 offers one group of air inlet along the bearing of trend of bellows 3, and air port mesh sheet 31 is using sintering
Silk screen is made, and a bellows side wall 32 of bellows 3 is bonded fixation with ash bucket side plate 12, and air port mesh sheet 31 is set down, two bellows
The width of side wall 32 is consistent, and the angle between two bellows side walls 32 is 25-35 °；Supply air system includes fluidized air blower 4 and gas pressure
Power meter 61, the air outlet of fluidized air blower 4 are connected with the first airduct 51, and magnetic valve 62 and gas have been sequentially connected in series on the first airduct 51
Pressure gauge 61, the air outlet of the first airduct 51 are connected with the second airduct 52 and the 3rd airduct 53 respectively, the air outlet of the second airduct 52
Connected with the air inlet on inclined floor 11, the air outlet of the 3rd airduct 53 stretches into ash bucket side plate 12 and connected with the air inlet of bellows 3；
The signal output part of gas gauge 61 electrically connects with the signal input part of control system, the second airduct 52 and the 3rd airduct 53
Caliber is consistent, and the ratio between caliber of the first airduct 51 and the second airduct 52 is 1.5-2：1；The signal input part of magnetic valve 62 and control
The signal output part electrical connection of system, the signal output part of magnetic valve 62 electrically connect with the signal input part of control system.
The utility model is used for the material level measuring method of the ash bucket of the measurable material position of circulating fluid bed flue-gas desulfurizing, specifically
Comprise the following steps：Comprise the following steps：
Part I, material position demarcation：
Step 1: sorbent particle is fallen into ash bucket body 1 by dust arrester 7, fluidized wind is sent into the by fluidized air blower 4
One airduct 51, ash bucket body 1 is sent into from inclined floor 11 and ash bucket side plate 12 respectively by the second airduct 52 and the 3rd airduct 53
It is interior；The pressure of bottom is more than the pressure inside desulfurizing tower 8 in ash bucket, and sorbent particle enters desulfurizing tower 8 with fluidized wind, realizes de-
Sulphur agent particle recycles；
Step 2: electromagnetic valve for adjusting 62, makes the fluidized wind flow velocity in ash bucket body 1 be more than the critical fluidisation of sorbent particle
Speed, sorbent particle are in fluidization, keep fluidized wind air quantity stable, demarcate air quantity；
Step 3: change ash bucket body in desulfurizing agent amount, obtain sorbent particle material position and blast relation it is as follows：
W=PSAA+C (1)
In formula：W be ash bucket in sorbent particle gross weight, N；
PSAThe static pressure in the first airduct shown for gas gauge, Pa；
A be ash bucket bed cross section area, m2；
C is constant, span 10-1-106；
Part II, level gauging：
The fluidized wind of demarcation air quantity is passed through into ash bucket body, pressure signal, control system are gathered using gas gauge
Pressure signal is converted into level signals, material position in out ash bucket is shown on control system display.
Wherein constant C is determined using formula (2)：
C=(PDA-PSC-PDC-δPAB)A (2)
In formula：PDAFor the dynamic pressure in the first airduct 51, Pa；
PSCFor the static pressure at ash bucket top inlet, Pa；
PDCFor the dynamic pressure at ash bucket top inlet, Pa；
δPABTo arrive the pressure loss of hopper bottom discharge outlet, Pa in the first airduct 51.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical scheme of utility model is made, the protection of the utility model claims book determination all should be fallen into
In the range of.
Claims (7)
1. the ash bucket of the measurable material position for circulating fluid bed flue-gas desulfurizing, including ash bucket body (1), the ash bucket body
(1) its top feed mouth connects with the discharging opening of dust arrester (7), and the discharging opening in bottom plate center by returning charge pipeline (9) and takes off
Sulphur tower (8) returning charge mouth connects；It is characterized in that：Also include steady wind system, supply air system and control system；The ash bucket body
(1) enclosed and formed by the ash bucket side plate (12) being obliquely installed, form the big lower small bucket shape space of mouth suitable for reading；The ash bucket body
(1) longitudinal section of bottom is in del, including two symmetrically arranged inclined floors (11), inclined floor uniformly open up on (11)
There is air inlet；Steady wind system is additionally provided with ash bucket body (1), the steady wind system includes being arranged on above inclined floor (11)
Air distribution plate (2) and along ash bucket side plate (12) horizontally disposed bellows (3)；The bellows (3) are closed at both ends, hollow Rhizoma Sparganii
Cylinder, enclosed and formed with an air port mesh sheet (31) by two bellows side walls (32), two bellows side walls (32) junction is along bellows
(3) bearing of trend offers one group of air inlet, and a bellows side wall (32) of bellows (3) is bonded fixation with ash bucket side plate (12),
Air port mesh sheet (31) is set down；The supply air system includes fluidized air blower (4), magnetic valve (62) and gas gauge (61),
The air outlet of fluidized air blower (4) is connected with the first airduct (51), and it is gentle that magnetic valve (62) has been sequentially connected in series on the first airduct (51)
Body pressure gauge (61), the air outlet of the first airduct (51) are connected with the second airduct (52) and the 3rd airduct (53) respectively, the second wind
Pipe (52) air outlet connected with the air inlet on inclined floor (11), the 3rd airduct (53) air outlet stretch into ash bucket side plate (12) and
The air inlet connection of bellows (3)；The signal output part of the gas gauge (61) and the signal input part of control system are electrically connected
Connect, the signal input part of the magnetic valve (62) electrically connects with the signal output part of control system, and the signal of magnetic valve (62) is defeated
Go out end to electrically connect with the signal input part of control system.
2. the ash bucket of the measurable material position according to claim 1 for circulating fluid bed flue-gas desulfurizing, it is characterised in that：
The ash bucket side plate (12) includes a pair of long slabs and a pair of short slabs, is symmetrical arranged.
3. the ash bucket of the measurable material position according to claim 2 for circulating fluid bed flue-gas desulfurizing, it is characterised in that：
Long slab and short slab and the angle of horizontal direction in the ash bucket side plate (12) are 50-70 °.
4. the ash bucket of the measurable material position according to claim 1 for circulating fluid bed flue-gas desulfurizing, it is characterised in that：
The inclined floor (11) and the angle of horizontal direction are 5-10 °.
5. the ash bucket of the measurable material position according to claim 1 for circulating fluid bed flue-gas desulfurizing, it is characterised in that：
The air port mesh sheet (31) is made of sintering silk screen.
6. the ash bucket of the measurable material position according to claim 1 for circulating fluid bed flue-gas desulfurizing, it is characterised in that：
The width of two bellows side wall (32) is consistent, and the angle between two bellows side walls (32) is 25-35 °.
7. the ash bucket of the measurable material position according to claim 1 for circulating fluid bed flue-gas desulfurizing, it is characterised in that：
Second airduct (52) is consistent with the caliber of the 3rd airduct (53), the ratio between caliber of the first airduct (51) and the second airduct (52)
For 1.5-2：1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720899430.0U CN207056290U (en) | 2017-07-24 | 2017-07-24 | Ash bucket for the measurable material position of circulating fluid bed flue-gas desulfurizing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720899430.0U CN207056290U (en) | 2017-07-24 | 2017-07-24 | Ash bucket for the measurable material position of circulating fluid bed flue-gas desulfurizing |
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| Publication Number | Publication Date |
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| CN207056290U true CN207056290U (en) | 2018-03-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107224852A (en) * | 2017-07-24 | 2017-10-03 | 南京龙源环保有限公司 | Ash bucket and measuring method for the measurable material position of circulating fluid bed flue-gas desulfurizing |
-
2017
- 2017-07-24 CN CN201720899430.0U patent/CN207056290U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107224852A (en) * | 2017-07-24 | 2017-10-03 | 南京龙源环保有限公司 | Ash bucket and measuring method for the measurable material position of circulating fluid bed flue-gas desulfurizing |
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| GR01 | Patent grant | ||
| 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: 10-2, Yuhua South Road, Nanjing, Jiangsu 210012 Patentee after: NANJING LONGYUAN ENVIRONMENT Co.,Ltd. Patentee after: Guoneng Longyuan environmental protection Co.,Ltd. Address before: 10-2, Yuhua South Road, Nanjing, Jiangsu 210012 Patentee before: NANJING LONGYUAN ENVIRONMENT Co.,Ltd. Patentee before: BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENGINEERING Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 211101 Room 401, No. 1, Huashen Avenue, Yuhua District, Nanjing, Jiangsu Province Patentee after: Guoneng Longyuan environmental protection Nanjing Co., Ltd Patentee after: Guoneng Longyuan environmental protection Co., Ltd Address before: 10-2, Yuhua South Road, Nanjing, Jiangsu 210012 Patentee before: Nanjing Longyuan environmental protection Co., Ltd Patentee before: Guoneng Longyuan environmental protection Co., Ltd |