CN107899407A - Limestone slurry liquid supply system - Google Patents
Limestone slurry liquid supply system Download PDFInfo
- Publication number
- CN107899407A CN107899407A CN201711419467.XA CN201711419467A CN107899407A CN 107899407 A CN107899407 A CN 107899407A CN 201711419467 A CN201711419467 A CN 201711419467A CN 107899407 A CN107899407 A CN 107899407A
- Authority
- CN
- China
- Prior art keywords
- slurries
- slurry liquid
- pump
- slurry
- lime stone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002002 slurry Substances 0.000 title claims abstract description 241
- 235000019738 Limestone Nutrition 0.000 title claims abstract description 136
- 239000006028 limestone Substances 0.000 title claims abstract description 136
- 239000007788 liquid Substances 0.000 title claims abstract description 79
- 238000004519 manufacturing process Methods 0.000 claims abstract description 55
- 238000010521 absorption reaction Methods 0.000 claims abstract description 28
- 238000001802 infusion Methods 0.000 claims description 12
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 4
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 4
- 239000004571 lime Substances 0.000 claims description 4
- 239000004927 clay Substances 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 abstract description 16
- 230000023556 desulfurization Effects 0.000 abstract description 10
- 238000003860 storage Methods 0.000 abstract description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000032696 parturition Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention discloses a kind of limestone slurry liquid supply system, including two lime stone slurry production systems, two lime stone slurry production systems are connected by delivery pipe with the first limestone slurry liquid case, first limestone slurry liquid case connects two pumps, two pumps are connected with the first absorption tower delivery pipe, delivery pipe is equipped with motor-driven valve, and two motor-driven valves in parallel are connected with the second limestone slurry liquid case, second limestone slurry liquid case is connected with the first limestone slurry liquid case by woven hose, second limestone slurry liquid case also connects two pumps, and two pumps are connected with second absorption tower delivery pipe, two absorption tower delivery pipes can communicate.This feed system adds limestone slurry liquid case on the basis of original, two limestone slurry liquid cases can be spare each other, also motor-driven valve is added on former lime stone slurry inlet pipe, lime stone slurry supply mode is versatile and flexible, add lime stone slurry storage capacity, also extend storage time, both ensure desulfurization safe operation, and also achieve energy-saving purpose.
Description
Technical field
The present invention relates to a kind of wet desulfurization system, and in particular to one kind can be continually provided limestone slurry to absorption tower
The limestone slurry liquid supply system of liquid.
Background technology
In the method for flue gas desulphurization, limestone-gypsum flue gas desulfurizing wet method due to absorbent aboundresources,
The advantages such as cost is low, become in the world using a kind of most flue gas desulfurization techniques.The flue gas of thermal power plant's discharge passes through desulfurization system
During the absorption tower of system, chemically reacted with the lime stone slurry in absorption tower, the gypsum of generation is discharged, the flue gas after desulfurization
By demister and GGH, finally it is emitted into air.As environmental pollution aggravates, Environmental Protection Department, National Development and Reform Commission,
National Energy Board requires coal-burning power plant to strive realizing minimum discharge.Each thermal power plant successively carries out minimum discharge transformation, such gesture
The increase-volume of desulphurization system must be caused, improves desulfuration efficiency, lime stone slurry consumption increases, and how to optimize lime stone slurry supply
The mode and lime stone slurry storage problem of system, could further ensure desulfuration efficiency, sulfur dioxide qualified discharge.
At present, limestone slurry liquid supply system is as shown in Fig. 2, including No.1 lime stone slurry production system, No. two lime
Stone slurries production system, two lime stone slurry production systems are connected with limestone slurry liquid case, and two are connected in limestone slurry liquid case
Platform slurries pump, wherein an operation is a kind of spare, there are following defect for the feed system of this spline structure：The transformation of minimum discharge needs
The quantity delivered of lime stone slurry is increased, and a limestone slurry liquid case is only set, lime stone slurry supply mode is only by giving birth to
Production system is temporarily stored into limestone slurry liquid case after producing, and resupplies absorption tower, and supply mode is single, when causing the lime stone slurry to store
Between it is short, storage capacity is few, be insufficient for the demand of desulphurization system, so can not realize minimum discharge standard requirement.
The content of the invention
In view of the deficienciess of the prior art, the present invention provides a kind of limestone slurry liquid supply system, this feed system exists
A limestone slurry liquid case is added on the basis of originally, two limestone slurry liquid cases can be spare each other, also in former lime stone slurry inlet pipe
On add motor-driven valve, change existing single lime stone slurry supply mode, and supply mode is versatile and flexible, any lime stone
Slurries production system can give limestone slurry liquid case feed flow at the same time, when adding lime stone slurry storage capacity, also extending storage
Between, meet the quantity delivered of the lime stone slurry of desulphurization system, both ensured desulfurization safe operation, also achieve energy-saving mesh
's.
In order to achieve the above object, the technical solution that the present invention takes：
Limestone slurry liquid supply system, including No.1 lime stone slurry production system, No. two lime stone slurry production systems,
The No.1 lime stone slurry production system passes through No. two slurries by No.1 slurries delivery pipe, No. two lime stone slurry production systems
Liquid delivery pipe is connected with the first limestone slurry liquid case, and first limestone slurry liquid case connects the first slurries by woven hose and conveys
Pump, the first slurries stand-by pump, first slurry feeding pump, the first slurries stand-by pump are connected with the first absorption tower delivery pipe,
The No.1 slurries delivery pipe is equipped with No.1 motor-driven valve, No. two slurries delivery pipes are equipped with No. two motor-driven valves, and the No.1
Slurries delivery pipe connects No.1 changed course motor-driven valve by woven hose, No. two slurries delivery pipes pass through woven hose and connect No. two changed course electricity
Dynamic valve, the No.1 changed course motor-driven valve, No. two changed course motor-driven valves are connected by woven hose with the second limestone slurry liquid case, described
Second limestone slurry liquid case is connected with the first limestone slurry liquid case by woven hose and woven hose is equipped with the company for controlling its connection
Port valve, second limestone slurry liquid case by woven hose connect the second slurry feeding pump, the second slurries stand-by pump, described second
Slurry feeding pump, the second slurries stand-by pump are connected with second absorption tower delivery pipe, the second absorption tower delivery pipe and first
Connected between the delivery pipe of absorption tower by woven hose and woven hose is equipped with Hand-operated butterfly valve.
As optimal technical scheme, in order to make the first limestone slurry liquid case to give other production lines supply lime stone slurry,
Realize that different production lines can be serially connected, be further ensured that the quantity delivered of lime stone slurry, meet production requirement, while effectively drop
Low production cost, first slurry feeding pump connects infusion pump butterfly valve by woven hose, the first slurries stand-by pump passes through infusion
Pipe connects stand-by pump butterfly valve, and the infusion pump butterfly valve, stand-by pump butterfly valve are connected with a woven hose.
As optimal technical scheme, in order to prevent when lime stone slurry production system failure, the first lime stone can be given
The emergent slurries of slurry tank supply, further meet production requirement, ensure desulfurization safe operation, realize energy-saving purpose,
The emergent melt pit of connection one, the emergent melt pit are made using white clay, white lime or agstone in first limestone slurry liquid case
For slurries of meeting an urgent need.
Compared with prior art, the device have the advantages that：
1st, this feed system adds a limestone slurry liquid case on the basis of original, and two limestone slurry liquid cases can be standby each other
With also adding motor-driven valve on former lime stone slurry inlet pipe, change existing single lime stone slurry supply mode, and supplying party
Formula is versatile and flexible, and any lime stone slurry production system can give limestone slurry liquid case feed flow at the same time, add lime stone
Slurry storage amount, also extend storage time, meets the quantity delivered of the lime stone slurry of desulphurization system, has both ensured that desulfurization is transported safely
OK, energy-saving purpose is also achieved.
2nd, the first slurry feeding pump, the first slurries stand-by pump connect the absorption tower of remaining production line, make the first limestone slurry
Liquid case can give other production lines supply lime stone slurry, realize that different production lines can be serially connected, be further ensured that limestone slurry
The quantity delivered of liquid, meets production requirement, while effectively reduces production cost.
The 3rd, emergent melt pit is set, prevent when lime stone slurry production system failure, the first limestone slurry liquid case can be given
The emergent slurries of supply, further meet production requirement, ensure desulfurization safe operation, realize energy-saving purpose.
Brief description of the drawings
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is existing limestone slurry liquid supply system；
Drawing reference numeral：1st, No.1 lime stone slurry production system, 2, No. two lime stone slurry production systems, 3, No.1 slurries
Delivery pipe, 4, No. two slurries delivery pipes, the 5, first limestone slurry liquid case, the 6, first slurry feeding pump, the 7, first slurries stand-by pump,
8th, the first absorption tower delivery pipe, 9, No. two motor-driven valves, 10, No.1 motor-driven valve, 11, No.1 changed course motor-driven valve, 12, No. two changed course electricity
Dynamic valve, the 13, second limestone slurry liquid case, 14, communicating valve, the 15, second slurries infusion pump, the 16, second slurries stand-by pump, 17, the
Two absorption tower delivery pipes, 18, Hand-operated butterfly valve, 19, infusion pump butterfly valve, 20, stand-by pump butterfly valve, 21, emergent melt pit.
Embodiment
A kind of specific embodiment of the present invention, limestone slurry liquid supply system, with existing Fig. 2 structures phase are proposed as shown in Figure 1
Be：Including 1, No. two lime stone slurry production system 2 of No.1 lime stone slurry production system, the No.1 lime stone slurry
Production system 1 passes through No. two slurries delivery pipes 4 and first by 3, No. two lime stone slurry production systems 2 of No.1 slurries delivery pipe
Limestone slurry liquid case 5 connects, and first lime stone slurry 5 casees connects the first slurry feeding pump 6, the first slurries by woven hose
Stand-by pump 7, first slurry feeding pump 6, the left and right sides of the first slurries stand-by pump 7 are respectively equipped with inlet valve, outlet valve,
First slurry feeding pump 6, the first slurries stand-by pump 7 are connected with the first absorption tower delivery pipe 8；Except that：It is described
No.1 slurries delivery pipe 3 is equipped with No. two solenoid valve motor-driven valves equipped with 10, No. two slurries delivery pipes 4 of No.1 solenoid valve motor-driven valve
9, and 3 pipe of No.1 slurries conveying connects No.1 changed course 11, No. two slurries delivery pipes 4 of motor-driven valve by woven hose and passes through infusion
Pipe connects No. two changed course motor-driven valves 12, and 11, No. two changed course motor-driven valves 12 of No.1 changed course motor-driven valve pass through woven hose and the
Two limestone slurry liquid cases 13 connect, then any lime stone slurry production system can individually give any slurry tank supply slurries,
Two slurry tanks supply slurries can be given at the same time, two lime stone slurry production systems can also give single slurry tank supply slurries,
Two slurry tanks supply slurries can be given at the same time, and supply mode is flexible and varied, 13 and first lime of the second limestone slurry liquid case
Stone slurry tank 5 is connected by woven hose and woven hose is equipped with the communicating valve 14 for controlling its connection, then two slurry tanks can be each other
Spare, second limestone slurry liquid case 13 connects the second slurry feeding pump 15, the second slurries stand-by pump 16, institute by woven hose
State the second slurry feeding pump 15, the second slurries stand-by pump 16 the left and right sides respectively be equipped with inlet valve, outlet valve, described second
Slurry feeding pump 15, the second slurries stand-by pump 16 are connected with second absorption tower delivery pipe 17, the second absorption tower delivery pipe
Connected between 17 and the first absorption tower delivery pipe 8 by woven hose and woven hose is equipped with Hand-operated butterfly valve 18, then two slurry tanks can
With at the same time to absorption tower feed flow, can also single feed flow.
First slurry feeding pump 6 connects infusion pump butterfly valve 19 by woven hose, the first slurries stand-by pump 7 passes through infusion
Pipe connection stand-by pump butterfly valve 20, and the infusion pump butterfly valve 19, stand-by pump butterfly valve 20 are connected with a woven hose, which connects
The absorption tower of other production lines is connect, the first limestone slurry liquid case 5 is given other production lines supply lime stone slurry, realizes different
Production line can be serially connected, and be further ensured that the quantity delivered of lime stone slurry, meet production requirement, while effectively reduce and be produced into
This.
The emergent melt pit 21 of connection one, emergent 21 and first limestone slurry of melt pit in first limestone slurry liquid case 5
Hand-operated valve is equipped between liquid case 5, the emergent melt pit 21, as emergent slurries, is prevented using white clay, white lime or agstone
When lime stone slurry production system failure, it can give the supply of the first limestone slurry liquid case 5 emergent slurries, further meet production
Demand, ensures desulfurization safe operation, realizes energy-saving purpose.
When the present invention uses：
Lime stone slurry enters the mode of slurry tank, and part is as follows：
When No.1 lime stone slurry production system 1 is produced, and another stopping produces, if No.1 solenoid valve motor-driven valve 10
Opening, No.1 changed course motor-driven valve 11 are closed, then only supply slurries to the first limestone slurry liquid case 5；If No.1 solenoid valve motor-driven valve
10 close, No.1 changed course motor-driven valve 11 is opened, then only supply slurries to the second limestone slurry liquid case 13；If No.1 solenoid valve is electronic
Valve 10, No.1 changed course motor-driven valve 11 are opened, then are supplied at the same time to the first limestone slurry liquid case 5, the second limestone slurry liquid case 13
Slurries.
When No. two lime stone slurry production systems 2 are produced, and another stopping produces, if No. two solenoid valve motor-driven valves 9
Opening, No. two changed course motor-driven valves 12 are closed, then only supply slurries to the first limestone slurry liquid case 5；If No. two solenoid valve motor-driven valves 9
Closing, No. two changed course motor-driven valves 12 are opened, then only supply slurries to the second limestone slurry liquid case 13；If No. two solenoid valve motor-driven valves
9th, No. two changed course motor-driven valves 12 are opened, then at the same time to the first limestone slurry liquid case 5, the second limestone slurry liquid case 13 supply slurry
Liquid.
When 1, No. two lime stone slurry production system 2 of No.1 lime stone slurry production system is produced, if No.1 is electric
10, No. two solenoid valve motor-driven valves 9 of magnet valve motor-driven valve are opened, and No.1 changed course 11, No. two changed course motor-driven valves 12 of motor-driven valve are turned off,
Then two production systems give the first limestone slurry liquid case 5 supply slurries at the same time；If 10, No. two solenoid valve electricity of No.1 solenoid valve motor-driven valve
Dynamic valve 9 is turned off, and No.1 changed course 11, No. two changed course motor-driven valves 12 of motor-driven valve are opened, then two production systems give the second stone at the same time
Lime stone slurry tank 13 supplies slurries；If 10, No. two solenoid valve motor-driven valves 9 of No.1 solenoid valve motor-driven valve, No.1 changed course motor-driven valve 11,
No. two changed course motor-driven valves 12 are opened, then two production systems give two slurry tanks supply slurries at the same time.
This feed system has a variety of slurries supply modes, and part is as shown below：
If 10, No. two solenoid valve motor-driven valves 9 of No.1 solenoid valve motor-driven valve can arbitrarily open one or two and open at the same time, one
Number changed course motor-driven valve 11, No. two changed course motor-driven valves 12, communicating valves 14 are turned off, the operation work of only the first slurry feeding pump 6, its
It pumps and is stopped, then only the first limestone slurry liquid case 5 is supplied to desulfuration absorbing tower by the first slurry feeding pump 6 and starched
Liquid.
If 10, No. two solenoid valve motor-driven valves 9 of No.1 solenoid valve motor-driven valve can arbitrarily open one or two and open at the same time, one
Number changed course motor-driven valve 11, No. two changed course motor-driven valves 12, communicating valves 14 are turned off, the operation work of only the first slurries stand-by pump 7, its
It pumps and is stopped, then only the first limestone slurry liquid case 5 is supplied to desulfuration absorbing tower by the first slurries stand-by pump 7 and starched
Liquid.
If No.1 solenoid valve motor-driven valve 10, No. two solenoid valve motor-driven valves 9, communicating valves 14 are turned off, No.1 changed course motor-driven valve
11st, No. two changed course motor-driven valves 12 can arbitrarily open one or two and open at the same time, or all motor-driven valves are opened, communicating valve
Open, only the second slurry feeding pump 15 operation work, other pumps are stopped, then only the second limestone slurry liquid case 13 is logical
Cross the second slurry feeding pump 15 and supply slurries to desulfuration absorbing tower.
If No.1 solenoid valve motor-driven valve 10, No. two solenoid valve motor-driven valves 9, communicating valves 14 are turned off, No.1 changed course motor-driven valve
11st, No. two changed course motor-driven valves 12 can arbitrarily open one or two and open at the same time, or all motor-driven valves are opened, communicating valve
Open, only the second slurries stand-by pump 16 operation work, other pumps are stopped, then only the second limestone slurry liquid case 13 is logical
Cross stand-by pump 16 and supply slurries to desulfuration absorbing tower.
Above-mentioned method of operation flexibility and reliability, under normal circumstances, only two pumps supply slurries to absorption tower at the same time, through piping
Optimization, can supply slurries, then absorption tower improves 2 times for slurries assurance coefficient to absorption tower at the same time with four pumps.
Slurries production system can both give the first limestone slurry liquid case 5 supply slurries, can also give the second lime stone slurry
Case 13 supplies slurries, can store 227 cubic metres of lime stone slurry, add amount of storage, when can meet that absorption tower 9.13 is small
Supply slurries demand.
Script production line is all separately provided, and by infusion pump butterfly valve 19, stand-by pump butterfly valve 20 by different production line strings
Connection gets up, and meets that lime stone slurry can be supplied to different production lines at the same time, the former production line for using agstone is used stone instead
Lime stone slurries, and 72 yuan/ton of lime stone cost, 172 yuan/ton of agstone cost, 100 yuan/ton of price difference, uses according to year
50000 tons of calculating, can save 3,500,000 yuan of expense (deducting power consumption of the mill, steel ball cost), it is obvious to reduce expense.Limestone slurry
The safety factor of liquid slurrying increases.
Certainly, simply the preferred embodiments of the disclosure is described in detail with reference to attached drawing above, not with this
The practical range of the present invention is limited, the equivalence changes that all principle, construction and structure under this invention are made, should all be covered by this
In the protection domain of invention.
Claims (3)
1. limestone slurry liquid supply system, including No.1 lime stone slurry production system (1), No. two lime stone slurry production systems
(2), the No.1 lime stone slurry production system (1) passes through No.1 slurries delivery pipe (3), No. two lime stone slurry production systems
(2) it is connected by No. two slurries delivery pipes (4) with the first limestone slurry liquid case (5), first limestone slurry liquid case (5) passes through
Woven hose connects the first slurry feeding pump (6), the first slurries stand-by pump (7), first slurry feeding pump (6), the first slurries
Stand-by pump (7) is connected with the first absorption tower delivery pipe (8), it is characterised in that：The No.1 slurries delivery pipe (3) is equipped with one
Number motor-driven valve (10), No. two slurries delivery pipes (4) are equipped with No. two motor-driven valves (9), and the No.1 slurries delivery pipe (3) passes through
Woven hose connection No.1 changed course motor-driven valve (11), No. two slurries delivery pipes (4) connect No. two changed course motor-driven valves by woven hose
(12), the No.1 changed course motor-driven valve (11), No. two changed course motor-driven valves (12) pass through woven hose and the second limestone slurry liquid case
(13) connect, second limestone slurry liquid case (13) is connected with the first limestone slurry liquid case (5) by woven hose and woven hose
The communicating valve (14) for controlling its connection is equipped with, second limestone slurry liquid case (13) is defeated by woven hose the second slurries of connection
Send pump (15), the second slurries stand-by pump (16), second slurry feeding pump (15), the second slurries stand-by pump (16) are with second
Absorption tower delivery pipe (17) connects, by defeated between the second absorption tower delivery pipe (17) and the first absorption tower delivery pipe (8)
Liquid pipe connects and woven hose is equipped with Hand-operated butterfly valve (18).
2. limestone slurry liquid supply system according to claim 1, it is characterised in that：First slurry feeding pump (6)
Infusion pump butterfly valve (19), the first slurries stand-by pump (7) are connected by woven hose connection stand-by pump butterfly valve (20) by woven hose, and
The infusion pump butterfly valve (19), stand-by pump butterfly valve (20) are connected with a woven hose.
3. limestone slurry liquid supply system according to claim 1 or 2, it is characterised in that：First lime stone slurry
The emergent melt pit (21) of connection one on case (5), the emergent melt pit (21) is using white clay, white lime or agstone as emergent slurry
Liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711419467.XA CN107899407B (en) | 2017-12-25 | 2017-12-25 | Limestone slurry supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711419467.XA CN107899407B (en) | 2017-12-25 | 2017-12-25 | Limestone slurry supply system |
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| Publication Number | Publication Date |
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| CN107899407A true CN107899407A (en) | 2018-04-13 |
| CN107899407B CN107899407B (en) | 2024-04-02 |
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|---|---|---|---|
| CN201711419467.XA Active CN107899407B (en) | 2017-12-25 | 2017-12-25 | Limestone slurry supply system |
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-
2017
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|---|---|---|---|---|
| JPH06170155A (en) * | 1992-12-10 | 1994-06-21 | Ishikawajima Harima Heavy Ind Co Ltd | Method and equipment for desulfurizing flue gas |
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| CN101961600A (en) * | 2010-08-16 | 2011-02-02 | 中环（中国）工程有限公司 | Redundancy design-based limestone slurry supplying device |
| CN202983516U (en) * | 2013-01-14 | 2013-06-12 | 蓝天环保设备工程股份有限公司 | Device for communicating slurry circulation boxes |
| CN203329617U (en) * | 2013-07-12 | 2013-12-11 | 大唐国际发电股份有限公司北京高井热电厂 | Desulfurization slurry feed system |
| CN204656334U (en) * | 2015-05-22 | 2015-09-23 | 中国神华能源股份有限公司 | Limestone slurry liquid supply system |
| CN105344231A (en) * | 2015-12-14 | 2016-02-24 | 中国电力工程顾问集团西南电力设计院有限公司 | Slurry feed system of desulfurized limestone |
| CN105771613A (en) * | 2016-05-09 | 2016-07-20 | 林耿锋 | Limestone slurry conveying system |
| CN106110866A (en) * | 2016-08-08 | 2016-11-16 | 四川德胜集团钒钛有限公司 | A kind of flue gas desulphurization system |
| CN207745706U (en) * | 2017-12-25 | 2018-08-21 | 国投钦州发电有限公司 | Limestone slurry liquid supply system |
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