CN206027418U - A gypsum slurry buffer system for calcium base wet flue gas desulfurization absorption tower - Google Patents
A gypsum slurry buffer system for calcium base wet flue gas desulfurization absorption tower Download PDFInfo
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- CN206027418U CN206027418U CN201620970811.9U CN201620970811U CN206027418U CN 206027418 U CN206027418 U CN 206027418U CN 201620970811 U CN201620970811 U CN 201620970811U CN 206027418 U CN206027418 U CN 206027418U
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- gypsum slurries
- gypsum
- slurries
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- absorption tower
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Abstract
The utility model discloses a gypsum slurry buffer system for calcium base wet flue gas desulfurization absorption tower. It includes gypsum slurry buffer, gypsum slurry baffle -box agitator, gypsum slurry relay pump, the gypsum slurry buffer both sides connect respectively absorption tower gypsum slurry excavating pump with the gypsum slurry relay pump, gypsum water conservancy whirl station is connected to the gypsum slurry relay pump other end. It overcome prior art gypsum crystallization time short, receive the limestone slurry of new joining and to the influence of pH value, be unfavorable for appearing of calcium ion, be unfavorable for the shortcoming of desulfurized gypsum's comprehensive utilization, have the reaction time who prolongs gypsum slurry, maintain stability, improvement desulfurized gypsum yield, the comprehensive utilization that is favorable to desulfurized gypsum, the low advantage of transformation investment cost of pH value.
Description
Technical field
The utility model is related to desulphurization plant field, more particularly for the calcium plaster of calcium base wet-process desulfuration absorbing tower
Liquid buffer system.
Background technology
At present Flue Gas Desulfurization Technology of Power Plant great majority adopt Wet Flue Gas Desulfurization Technology in the world, wherein lime stone-
Gypsum desulfurization technology application is most universal；Desulfurization method of limestone-gypsum technology desulfuration efficiency height, technology maturation, operational reliability
By force, long service life, using lime as absorbent, another important feature is that its byproduct desulfurated plaster is easy to synthesis
Utilize.
Desulfurated plaster is calcium sulphate dihydrate crystal (CaSO4.2H2O), it is gypsum；In the generating process of desulfurated plaster,
If process regulation is improper, the crystal of generation is in stratiform or needle-like, and the desulfurated plaster particle of formation is little, stickiness is big, moisture content
It is high, be difficult to be dehydrated, wherein also contain flying dust, organic carbon, calcium carbonate (CaCO3), calcium sulfite (CaSO3.2H2O) and by sodium (Na),
The impurity such as the soluble-salt of potassium (K), the sulfate of magnesium (Mg) or chloride composition, do not utilize the comprehensive utilization of desulfurated plaster；Institute
With, design need to be optimized to carrying out desulphurization system, the running status of system equipment is good, chemical reaction condition and crystallization condition are excellent
It is the guarantee of output high-quality desulfurated plaster.
The content of the invention
The purpose of this utility model is, for the weak point for overcoming above-mentioned background technology, and to provide a kind of wet for calcium base
The gypsum slurries buffer system of method desulfuration absorbing tower, extends the reaction time of gypsum slurries, maintains stablizing for pH value, improves desulfurization
Gypsum yield, is conducive to the comprehensive utilization of desulfurated plaster, investment for trnasforming urban land low cost.
To achieve these goals, the technical solution of the utility model is：For the gypsum of calcium base wet-process desulfuration absorbing tower
Slurries buffer system, it is characterised in that：Including gypsum slurries buffer unit, gypsum slurries buffering box mixer, in gypsum slurries
Turn pump；The gypsum slurries buffer unit both sides connect absorption tower gypsum slurries excavationg pump and the gypsum slurries transfer respectively
Pump, the gypsum slurries relay pump other end connect gypsum waterpower rotational flow station.
In above-mentioned technical proposal, there is absorption tower gypsum excavationg pump to go gypsum slurries buffer unit inlet valve to be arranged at company
Connect on the connecting pipeline of the absorption tower gypsum slurries excavationg pump and the gypsum slurries buffer unit；The gypsum slurries buffering
One side of device is provided with emptying pipeline, has gypsum slurries buffer unit emptying valve to be arranged on the emptying pipeline；There is stone
Cream slurries relay pump inlet valve is arranged at connecting for the connection gypsum slurries buffer unit and the gypsum slurries relay pump
On pipeline, a branch road on the connecting pipeline, is provided with, has gypsum slurries transfer pump intake dirt discharging valve door to be arranged at the branch road
On.For the control of gypsum slurries relay pump slurry flow；For the slurries remained in emptying gypsum slurries relay pump, it is to avoid pump
It is blocked.
In above-mentioned technical proposal, the gypsum slurries relay pump is connected in parallel on the pipeline for going to gypsum cyclone,
Gypsum slurries relay pump outlet valve is provided with the gypsum slurries relay pump export pipeline and goes to propping up for technique water system
Road, is provided with gypsum slurries transfer pump discharge flushing valve on the branch road；The gypsum slurries relay pump is imported and exported and is provided with
Expansion joint.Gypsum slurries relay pump inlet valve and outlet valve are used for the control of gypsum slurries relay pump slurry flow；Expansion
Save the displacement of entrance and export pipeline when start and stop and operation are compensated.
In above-mentioned technical proposal, the gypsum slurries relay pump has two.One is used for running, and another is standby, when
When the pump of operation breaks down, stand-by pump is directly enabled, ensure that production is normal and run.
In above-mentioned technical proposal, the gypsum slurries buffer unit includes gypsum slurries baffle-box, gypsum slurries buffering
Box mixer；The gypsum slurries buffering box mixer is arranged at the gypsum slurries baffle-box top；There are PP plates to be arranged at institute
State on the inside of gypsum slurries baffle-box, have antiseptic cement gum coating to be arranged on the inside of the PP plates；There is deflection plate to be arranged at the gypsum
In slurries baffle-box, there is anchoring piece to be welded on the outside of the PP plates, and the anchoring piece is arranged in gypsum slurries buffering tank wall；
The deflection plate includes deflection plate and lower deflection plate, and is respectively positioned on the gypsum slurries baffle-box side wall；The PP plates have
Polylith, and an entirety is welded into by sweat soldering mode；The anchoring piece has multiple, and by sweat soldering mode
It is welded on the PP plates；The anchoring piece includes longitudinal axis and lateral shaft；The lateral shaft upper end is provided with horizontal shaft-cup, institute
State longitudinal axis and be provided with multiple lateral shafts.Deflection plate plays drainage, prevents gypsum slurries from splashing；PP plates, dope mash
The anti-corrosion of layer, anti-wear property are strong, and hardness is big, lightweight, low cost；Sweat soldering is conducive to strengthening the viscous of anchoring piece and PP plates
Knot performance；Anchoring piece is conducive to strengthening the tight connection that PP plates and gypsum slurries buffer tank wall.
In above-mentioned technical proposal, the gypsum slurries buffering box mixer is arranged using frequency conversion and adjusts rotating speed.According to stone
The situation of cream slurries buffer unit solid content adjusts rotating speed, is conducive to the precipitation of gypsum crystallization.
In above-mentioned technical proposal, the gypsum slurries buffer unit is arranged at outside absorption tower, and is revolved positioned at the gypsum
Between stream station and the absorption tower.Extend reaction time of the gypsum slurries in baffle-box, be not exposed to the lime of new addition
Stone slurries must affect on pH value, maintain stablizing for pH value, beneficial to the precipitation of calcium ion, improve the yield of desulfurated plaster, so as to carry
The quality of high desulfurated plaster, is conducive to the comprehensive utilization of desulfurated plaster.
The utility model has the advantage that：
(1) gypsum slurries buffer unit and gypsum slurries relay pump and related valve are increased, it is not necessary to absorption tower inside
Structure is transformed, and most work can not be shut down to be carried out, and the required shutdown duration is less than 3 days, for electrical generation burden weight
Power plant is particularly suitable, and the cost of investment of transformation is greatly reduced；
(2) deflection plate is set and plays drainage, prevent gypsum slurries from splashing；Arranging PP plates, antiseptic cement gum coating can have
Effect anti-corrosion, anti-wear, effectively protects gypsum slurries buffering tank wall；Anchoring piece is set and can strengthen PP plates and gypsum slurries baffle-box
The tight connection of wall；
(3) increase gypsum slurries buffer system, by gypsum crystallization time lengthening 5 hours, by the yield of desulfurated plaster by passing
The 70%-74% of system technique brings up to 80% or so；Compared to traditional handicraft, the yield of desulfurated plaster is higher, is conducive to desulfurization
The comprehensive utilization of gypsum；
(4) gypsum slurries buffering box mixer is arranged using frequency conversion and adjusts rotating speed, is easy to industrialized production, is saved manpower
Cost；
(5) gypsum slurries buffer unit, gypsum slurries relay pump are arranged at outside absorption tower, by gypsum slurries and former absorption tower
Isolation of system, extends the reaction time of gypsum slurries, makes shadow of the lime stone slurry newly not added by gypsum crystallization to pH value
Ring, maintain stablizing for pH value, beneficial to the precipitation of calcium ion, so as to improve the quality of desulfurated plaster.
Description of the drawings
Fig. 1 is the system diagram that the utility model is used for calcium base wet-process desulfuration absorbing tower.
Fig. 2 is the utility model gypsum slurries buffer unit structure schematic diagram.
Fig. 3 the utility model gypsum slurries buffer unit vertical section structure schematic diagrames.
Fig. 4 is the utility model PP plates medial and lateral attachment structure schematic diagram.
1- absorption towers in figure, 2- absorption towers gypsum slurries excavationg pump, 3- gypsum slurries baffle-boxs, 31- gypsum slurries buffering
Tank wall, 32-PP plates, 33- antiseptic cement gum coatings, 34- deflection plates, the upper deflection plates of 341-, deflection plate under 342-, 35- anchoring pieces,
351- longitudinal axis, 352- lateral shafts, the horizontal shaft-cups of 3521-, 4- gypsum slurries relay pumps, 5- gypsum slurries buffering box mixer are stirred
Mix device, 6- absorption towers gypsum excavationg pump removes gypsum slurries buffer unit inlet valve, 7- gypsum slurries buffer unit emptying valves,
8- gypsum slurries relay pump inlet valves, 9- gypsum slurries transfer pump intake dirt discharging valve doors, 10- gypsum slurries relay pump outlet valves
Door, 11- gypsum slurries transfer pump discharge flushing valves, 12- expansion joints, 13- gypsum slurries buffer units.
Specific embodiment
Describe performance of the present utility model below in conjunction with the accompanying drawings in detail, but they are not constituted to of the present utility model
Limit, it is only for example.Make advantage of the present utility model more clear and easy to understand by explanation simultaneously.
Understand refering to accompanying drawing：For the gypsum slurries buffer system of calcium base wet-process desulfuration absorbing tower, it is characterised in that：Including
Gypsum slurries buffer unit 13, gypsum slurries relay pump 4；13 both sides of gypsum slurries buffer unit connect absorption tower stone respectively
Cream slurry discharge pump 2 and the gypsum slurries relay pump 4,4 other end of gypsum slurries relay pump connect gypsum hydraulic cyclone
Stand.There is absorption tower gypsum excavationg pump to go gypsum slurries buffer unit inlet valve 6 to be arranged at the connection absorption tower gypsum slurries
On the connecting pipeline of excavationg pump 2 and the gypsum slurries buffer unit 13；13 1 side of gypsum slurries buffer unit is arranged
There is emptying pipeline, have gypsum slurries buffer unit emptying valve 7 to be arranged on the emptying pipeline；There is gypsum slurries transfer to pump into
Mouth valve 8 is arranged on the connecting pipeline of the connection gypsum slurries buffer unit 13 and the gypsum slurries relay pump 4, described
A branch road is provided with connecting pipeline, has gypsum slurries transfer pump intake dirt discharging valve door 9 to be arranged on the branch road.The gypsum
Slurries relay pump 4 is connected in parallel on the pipeline for going to gypsum cyclone, is arranged on 4 export pipeline of gypsum slurries relay pump
There is gypsum slurries relay pump outlet valve 10 and go to the branch road of technique water system, on the branch road, be provided with gypsum slurries transfer
Pump discharge flushing valve 11；The gypsum slurries relay pump 4 is imported and exported and is provided with expansion joint 12.The gypsum slurries relay pump 4
There are two.The gypsum slurries buffer unit 13 includes gypsum slurries baffle-box 3, gypsum slurries buffering box mixer 5；The stone
Cream slurries buffering box mixer 5 is arranged at 3 top of gypsum slurries baffle-box；There are PP plates 32 to be arranged at the gypsum slurries to delay
Rush on the inside of case 3, have antiseptic cement gum coating 33 to be arranged on the inside of the PP plates 32；There is deflection plate 34 to be arranged at the gypsum slurries to delay
Rush in case 3, have anchoring piece 35 to be welded on the outside of the PP plates 32, and the anchoring piece 35 is located at gypsum slurries and buffers tank wall 31
It is interior；The deflection plate 34 includes deflection plate 341 and lower deflection plate 342, and is respectively positioned on 3 side wall of the gypsum slurries baffle-box
On；The PP plates 32 have polylith, and are welded into an entirety by sweat soldering mode；The anchoring piece 35 has multiple, and
It is welded on the PP plates 32 by sweat soldering mode；The anchoring piece 35 includes longitudinal axis 351 and lateral shaft 352；Institute
State 352 upper end of lateral shaft and be provided with horizontal shaft-cup 3521, the longitudinal axis 351 is provided with multiple lateral shafts 352.The calcium plaster
Liquid buffering box mixer 5 is arranged using frequency conversion and adjusts rotating speed.The gypsum slurries buffer unit 13 is arranged at outside absorption tower 1, and
Between the gypsum rotational flow station and the absorption tower 1.
Understand refering to accompanying drawing：The utility model is used for the work of the gypsum slurries buffer system of calcium base wet-process desulfuration absorbing tower
Process is as follows：Open absorption tower gypsum excavationg pump and remove gypsum slurries buffer unit inlet valve 6, open the absorption tower calcium plaster
Slurries in the absorption tower 1 are squeezed into the gypsum slurries by the absorption tower gypsum slurries excavationg pump 2 by liquid excavationg pump 2
In buffer unit 13；Monitor 3 liquid level of the gypsum slurries baffle-box change；The gypsum slurries buffering box mixer 5 is opened, is adjusted
Save gypsum slurries buffering 5 rotating speed of box mixer；The absorption tower gypsum slurries excavationg pump 2 is closed, the gypsum slurries delay
Rush box mixer 5 to continue to run with；Open the gypsum slurries relay pump inlet valve 8 and the gypsum slurries relay pump outlet valve
Door 10, closes the gypsum slurries transfer pump intake dirt discharging valve door 9 and the gypsum slurries transfer pump discharge flushing valve 11, will
Gypsum slurries are squeezed in gypsum cyclone by the gypsum slurries relay pump 4；Check liquid in the gypsum slurries baffle-box 3
Position, closes the gypsum slurries relay pump 4；Close the gypsum slurries relay pump inlet valve 8 and the gypsum slurries transfer
Pump discharge valve 10.
Other unaccounted parts belong to prior art.
Claims (7)
1. the gypsum slurries buffer system of calcium base wet-process desulfuration absorbing tower is used for, it is characterised in that：Fill including gypsum slurries buffering
Put (13), gypsum slurries relay pump (4)；Gypsum slurries buffer unit (13) both sides connect absorption tower gypsum slurries row respectively
Go out pump (2) and the gypsum slurries relay pump (4), gypsum slurries relay pump (4) other end connection gypsum waterpower rotational flow station.
2. the gypsum slurries buffer system for calcium base wet-process desulfuration absorbing tower according to claim 1, it is characterised in that：
There is absorption tower gypsum excavationg pump to go gypsum slurries buffer unit inlet valve (6) to be arranged at the connection absorption tower gypsum slurries row
Go out on the connecting pipeline of pump (2) and the gypsum slurries buffer unit (13)；(13) one side of the gypsum slurries buffer unit
Emptying pipeline is provided with, there are gypsum slurries buffer unit emptying valve (7) to be arranged on the emptying pipeline；In having gypsum slurries
Turn pump intake valve (8) and be arranged at the company for connecting gypsum slurries buffer unit (13) and the gypsum slurries relay pump (4)
On siphunculus road, a branch road on the connecting pipeline, is provided with, there are gypsum slurries transfer pump intake dirt discharging valve door (9) to be arranged at described
On branch road.
3. the gypsum slurries buffer system for calcium base wet-process desulfuration absorbing tower according to claim 1, it is characterised in that：
Gypsum slurries relay pump (4) are connected in parallel on the pipeline for going to gypsum cyclone, and gypsum slurries relay pump (4) go out
Gypsum slurries relay pump outlet valve (10) are provided with mouth pipeline and the branch road of technique water system is gone to, are arranged on the branch road
There are gypsum slurries transfer pump discharge flushing valve (11)；Described gypsum slurries relay pump (4) are imported and exported and are provided with expansion joint (12).
4. the gypsum slurries buffer system for calcium base wet-process desulfuration absorbing tower according to claim 3, it is characterised in that：
Gypsum slurries relay pump (4) have two.
5. the gypsum slurries buffer system for calcium base wet-process desulfuration absorbing tower according to claim 4, it is characterised in that：
Described gypsum slurries buffer unit (13) include gypsum slurries baffle-box (3), gypsum slurries buffering box mixer (5)；The stone
Cream slurries buffering box mixer (5) are arranged at gypsum slurries baffle-box (3) top；There are PP plates (32) to be arranged at the gypsum
On the inside of slurries baffle-box (3), there is antiseptic cement gum coating (33) to be arranged on the inside of PP plates (32)；There is deflection plate (34) to be arranged at
In gypsum slurries baffle-box (3), there is anchoring piece (35) to be welded on the outside of PP plates (32), and the anchoring piece (35) position
In gypsum slurries buffering tank wall (31)；Described deflection plate (34) include upper deflection plate (341) and lower deflection plate (342), and
On the wall of gypsum slurries baffle-box (3) side；PP plates (32) have polylith, and are welded into by sweat soldering mode
One entirety；Anchoring piece (35) have multiple, and are welded on PP plates (32) by sweat soldering mode；The anchor
Firmware (35) includes longitudinal axis (351) and lateral shaft (352)；Lateral shaft (352) upper end is provided with horizontal shaft-cup (3521),
Longitudinal axis (351) are provided with multiple lateral shafts (352).
6. the gypsum slurries buffer system for calcium base wet-process desulfuration absorbing tower according to claim 5, it is characterised in that：
Gypsum slurries buffering box mixer (5) are arranged using frequency conversion and adjust rotating speed.
7. the gypsum slurries buffer system for calcium base wet-process desulfuration absorbing tower according to claim 6, it is characterised in that：
Gypsum slurries buffer unit (13) are arranged at absorption tower (1) outward, and are located at the gypsum rotational flow station and the absorption tower (1)
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620970811.9U CN206027418U (en) | 2016-08-29 | 2016-08-29 | A gypsum slurry buffer system for calcium base wet flue gas desulfurization absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620970811.9U CN206027418U (en) | 2016-08-29 | 2016-08-29 | A gypsum slurry buffer system for calcium base wet flue gas desulfurization absorption tower |
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| Publication Number | Publication Date |
|---|---|
| CN206027418U true CN206027418U (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620970811.9U Active CN206027418U (en) | 2016-08-29 | 2016-08-29 | A gypsum slurry buffer system for calcium base wet flue gas desulfurization absorption tower |
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| CN (1) | CN206027418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106139876A (en) * | 2016-08-29 | 2016-11-23 | 武汉龙净环保工程有限公司 | Gypsum slurries buffer system for calcium base wet-process desulfuration absorbing tower |
-
2016
- 2016-08-29 CN CN201620970811.9U patent/CN206027418U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106139876A (en) * | 2016-08-29 | 2016-11-23 | 武汉龙净环保工程有限公司 | Gypsum slurries buffer system for calcium base wet-process desulfuration absorbing tower |
| CN106139876B (en) * | 2016-08-29 | 2019-03-19 | 武汉龙净环保工程有限公司 | Gypsum slurries buffer system for calcium base wet-process desulfuration absorbing tower |
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