CN208406876U - It is a kind of accurately to match and metering air-transport system - Google Patents
It is a kind of accurately to match and metering air-transport system Download PDFInfo
- Publication number
- CN208406876U CN208406876U CN201820205384.4U CN201820205384U CN208406876U CN 208406876 U CN208406876 U CN 208406876U CN 201820205384 U CN201820205384 U CN 201820205384U CN 208406876 U CN208406876 U CN 208406876U
- Authority
- CN
- China
- Prior art keywords
- solenoid valve
- control unit
- transport system
- concentration detection
- bracket
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of accurate proportions and metering air-transport system, including bracket, sulfur dioxide concentration detection sensor and control unit, portion and top cross-bar are hung respectively by weighing sensor in the bracket has hung blending bunker and two caching feed bins, the first solenoid valve is equipped at the top of the caching feed bin, the feeder pipe is equipped with second solenoid valve, injector is connected with by being oriented to discharge nozzle in blending bunker end, the guiding discharge nozzle is from top to bottom successively arranged third solenoid valve and blade blanking device, the blade blanking device is connected with variable-frequency motor by retarder, the sulfur dioxide concentration detection sensor is located on boiler exit gas pipeline, and sulfur dioxide concentration detection sensor and control unit are electrically connected, and described control unit and the first solenoid valve, second solenoid valve, third solenoid valve and weighing sensor electricity Property connection；It realizes proportion speed, is uniformly mixed, by the active control of reaction type, optimal captured sulfur result is realized in accurate measurement.
Description
Technical field
The utility model relates to transportation system technical field, specially a kind of accurate proportion and metering air-transport system.
Background technique
In recent years, using the captured sulfur result for spraying certain material agent generation in coal-burning boiler, high sulfur coal combustion be may be implemented
The environment protecting of low-sulfur discharge has entered engineer application implementation phase.Current problem is that feeding system can't be mating, can
With the in-furnace calcium spraying system continued to use, technical goal is simple, material agent it is single, functional requirement is not high, can not realize active control and
Efficient operation.
Itself main drawback is that: without expect agent use in necessary accurate proportion, uniformly mixing and accurate measurement
Functional device, the active control of material agent contribution can not be realized by feedback control according to process requirements, can not achieve solid
Sulphur effect and the optimal design object of system economical operation benefit.
Summary of the invention
In order to overcome the shortcomings of prior art, the utility model provides a kind of accurately match and metering pneumatic conveying system
System is realized material agent proportion speed, is uniformly mixed, accurate measurement, by the active control of reaction type, realizes best material agent contribution
It is controllable, reach best captured sulfur result and system economical operation, can effectively solve background technique propose the problem of.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
It is a kind of accurately to match with metering air-transport system, bracket, sulfur dioxide concentration detection including the font of falling "ON"
Sensor and control unit, portion and top cross-bar are hung respectively by weighing sensor in the bracket has hung blending bunker and two are delayed
Material stock storehouse, the caching feed bin top are equipped with the first solenoid valve, and the feeder pipe is equipped with second solenoid valve, at blending bunker end
End is connected with injector by being oriented to discharge nozzle, and the guiding discharge nozzle is from top to bottom successively arranged under third solenoid valve and blade
Glassware, the blade blanking device are connected with variable-frequency motor by retarder；
The sulfur dioxide concentration detection sensor is located on the outlet pipe of boiler, and sulfur dioxide concentration detection sensing
Device and control unit are electrically connected, and described control unit is made of PLC host and computer peripheral equipment, and described control unit with
First solenoid valve, second solenoid valve, third solenoid valve and weighing sensor are electrically connected, and described control unit receives sulfur dioxide
The transducing signal of concentration detection sensor and weighing sensor, and result is analyzed according to transducing signal and controls the first solenoid valve, the
The on-off and aperture of two solenoid valves and third solenoid valve, the instruction works that the variable-frequency motor passes through control unit.
As the utility model a preferred technical solution, the two sides of the caching feed bin two sides and blending bunker are solid
Dingan County is equipped with triangle load-bearing ear block, and the triangle load-bearing ear block is equipped with the screw lifting device promoted for feed bin small range, institute
Weighing sensor is stated to be located between triangle load-bearing ear block and the crossbeam of bracket.
As the utility model a preferred technical solution, the screw lifting device includes being fixedly mounted on triangle to hold
The screw shell of weight ear block bottom and the smooth sleeve being fixedly mounted at the top of rack beam, the screw shell peace sliding sleeve
Inside it is equipped with same root screw rod.
As the utility model a preferred technical solution, the cross section of the feeder pipe is rectangular section, and short side
It is gradually reduced, exit end face is in long and narrow rectangle, and two feeder pipe downlinks gradually transfer, and to oblique in low-angle when exporting
It hands over, and the outlet of two feeder pipes is not in the same horizontal position.
As the utility model a preferred technical solution, the bottom of the caching feed bin by feeder pipe with mix
Feed bin flexible connection, is tightly connected between the blade blanking device and the injector by pipeline flexible.
As the utility model a preferred technical solution, the injector is by pressure line and is located at stent outer
Blower connection, the pressure line be oriented to discharge nozzle end be connected to.Compared with prior art, the utility model is beneficial
Effect is:
The accurate proportions of the mating more material agent of the utility model, can be realized uniform mixing, by the active control of reaction type,
Can accurate measurement, control the appropriate throwing amount of mixture, realize optimal captured sulfur result and system economical operation.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the utility model screw lifting schematic device；
Fig. 3 is Tthe utility model system block diagram；
Figure label: 1- bracket；2- sulfur dioxide concentration detection sensor；3- control unit；4- weighing sensor；5- is mixed
Close feed bin；6- caches feed bin；The first solenoid valve of 7-；8- feeder pipe；9- second solenoid valve；10- is oriented to discharge nozzle；11- injector；
12- third solenoid valve；13- blade blanking device；14- retarder；15- variable-frequency motor；16- triangle load-bearing ear block；17- pressure pipe
Road；18- blower；19- screw lifting device；20- screw shell；The smooth sleeve of 21-；22- screw rod.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1 to Figure 3, the utility model provides the accurate proportion of one kind and metering air-transport system, including
Bracket 1, sulfur dioxide concentration detection sensor 2 and the control unit 3 of "ON" font pass through at 1 middle part of bracket and top cross-bar
Weighing sensor 4 is hung respectively has hung blending bunker 5 and two caching feed bins 6, passes through feeder pipe in the bottom of the caching feed bin 6
8 are flexibly connected with blending bunker 5.
It should be noted that caching 6 two sides of feed bin and the two sides of blending bunker 5 are fixedly installed with triangle load-bearing ear
Block 16, the triangle load-bearing ear block 16 are equipped with the screw lifting device (19) promoted for feed bin small range, the weighing and sensing
Device 4 is located between triangle load-bearing ear block 16 and the crossbeam of bracket 1, being capable of real-time measurement caching 6 He of feed bin by weighing sensor 4
The material agent weight of blending bunker 5, and weighing and sensing signal is sent to control unit 3 in time, and then pass through control unit knot
The signal for closing sulfur dioxide concentration detection sensor 2 is handled it, the control of timely adjustment material agent contribution.
In addition, the screw lifting device 19 includes being fixedly mounted on the screw shell 20 of triangle load-bearing ear block bottom and consolidating
Dingan County is mounted in the smooth sleeve 21 of 1 cross rail top of bracket, is equipped with same root spiral shell in the peaceful sliding sleeve 21 of the screw shell 20
Bar 22 promotes feed bin, weighing sensor 4 is facilitated to be placed in or take out by turning screw rod 22.
The first solenoid valve 7 is equipped at the top of the caching feed bin 6, the feeder pipe 8 is equipped with second solenoid valve 9, is mixing
5 end of feed bin is connected with injector 11 by being oriented to discharge nozzle 10, and the guiding discharge nozzle 10 is from top to bottom successively arranged third
Solenoid valve 12 and blade blanking device 13 are sealed by pipeline flexible between the blade blanking device 13 and the injector 11 and are connected
Connect, the aperture of second solenoid valve 9 is coordinated by control unit 3, make two caching feed bins 6 lower discharges keep at any time it is equal or certain
One require give certainty ratio, cache feed bin 6 lower discharge by the sum of 4 output signal of weighing sensor time history perception and it is real
When display and record.
The blade blanking device 13 is connected with variable-frequency motor 15 by retarder 14, and wherein blade blanking device 13 is in discharging
During by the driving of variable-frequency motor 15, improve mixed effect, and the mutual cooperation of retarder 14 and variable-frequency motor 15 can
To realize that blade blanking device revolving speed expects that agent contribution is controllable, the revolving speed of blade blanking device 13 is according to certain in boiler exhaust gas component
One index amount such as SO2Signal returns feedback, executes control by variable-frequency motor 15 and retarder 14, reaches and saves materials and effect most
Good target.
Among the above, the cross section of the feeder pipe 8 is rectangular section, and short side is gradually reduced, and exit end face is in long and narrow
Rectangle, two 8 downlinks of feeder pipe gradually transfer, and to being in small-angle skew when exporting, and two feeder pipes 8
Outlet not in the same horizontal position, the caching feed bins 6 of two different material agent pass through the special of feeder pipe 8 in discharge process
Structure can be realized as curtain shape cross-mixing, keep its more uniform.
Further, as the preferred of present embodiment, a kind of accurately match exists with metering air-transport system, feature
In: the injector 11 is connect by pressure line 17 with the blower 18 for being located at 1 outside of bracket, the pressure line 17 and guiding
The end of discharge nozzle 10 is connected to.
The sulfur dioxide concentration detection sensor 2 is located on the outlet pipe of boiler, and sulfur dioxide concentration detection passes
Sensor 2 and control unit 3 are electrically connected, and described control unit 3 is made of PLC host and computer peripheral equipment, and the control
Unit 3 and the first solenoid valve 7, second solenoid valve 9, third solenoid valve 12 and weighing sensor 4 are electrically connected, described control unit
3 receive the transducing signal of sulfur dioxide concentration detection sensor 2 and weighing sensor 4, and analyze result control according to transducing signal
The on-off and aperture of the first solenoid valve 7, second solenoid valve 9 and third solenoid valve 12 are made, the variable-frequency motor 15 is single by control
The instruction works of member 3.
The specific work process of the utility model:
Step 1: closing second solenoid valve 9, the first solenoid valve 7 is opened, delivers A material and B material respectively to caching feed bin 6,
Caching feed bin 6 closes the first solenoid valve 7 when reaching setting weight value such as 2000kg at full capacity；
Step 2: closing third solenoid valve 12, second solenoid valve 9 is opened, A material and B material mix in blending bunker 5, root
The A material weight signal and B material weight signal not provided according to 4 output phase bonus point of weighing sensor, coordinate opening for second solenoid valve 9
Degree, coordinates A material and B expects blanking rate；
Step 3: closing second solenoid valve 9 when A+B mixture reaches design upper design limit weight value such as 100kg；
Step 4: opening third solenoid valve 12, system starts friction feeding process；Sulfur dioxide concentration in boiler export
Detection sensor 2 will test signal and feed back to control unit 3, and control variable-frequency motor 15, adjust the revolving speed of blade blanking device 13,
The appropriate throwing amount for controlling A+B mixture, realizes optimal captured sulfur result；
Step 5: constantly declining in A+B material position, such as 20kg when reaching lower limit design weight value, second solenoid valve is opened
9, it is fed to blending bunker 5, and the opening times of second solenoid valve 9 enter counter；
Step 6: opening the first solenoid valve 7 toward the caching throwing of feed bin 6 when caching 6 weight of feed bin arrival design lower limit value
Material starts new round circulation.
In conclusion the accurate proportion of the mating more material agent of the utility model, can be realized uniform mixing, passes through reaction type
Active control, can accurate measurement, control the appropriate throwing amount of mixture, realize optimal captured sulfur result.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of accurate proportion and metering air-transport system, it is characterised in that: bracket (1), dioxy including the font of falling "ON"
Change sulphur concentration detection sensor (2) and control unit (3), in the middle part of bracket (1) and top cross-bar passes through weighing sensor (4) point
Blending bunker (5) and two caching feed bins (6) Gua have not been hung, has been equipped with the first solenoid valve (7) at the top of the caching feed bin (6),
The bottom of caching feed bin (6) is flexibly connected by feeder pipe (8) and blending bunker (5), and the feeder pipe (8) is equipped with the
Two solenoid valves (9) are connected with injector (11) in blending bunker (5) end by being oriented to discharge nozzle (10), the guiding discharging
Pipe (10) is from top to bottom successively arranged third solenoid valve (12) and blade blanking device (13), and the blade blanking device (13) is by subtracting
Fast device (14) is connected with variable-frequency motor (15)；
The sulfur dioxide concentration detection sensor (2) is located on the outlet pipe of boiler, and sulfur dioxide concentration detection sensing
Device (2) and control unit (3) are electrically connected, and described control unit (3) is made of PLC host and computer peripheral equipment, and described
Control unit (3) electrically connects with the first solenoid valve (7), second solenoid valve (9), third solenoid valve (12) and weighing sensor (4)
It connects, described control unit (3) receives the transducing signal of sulfur dioxide concentration detection sensor (2) and weighing sensor (4), and root
According to transducing signal analysis result control the first solenoid valve (7), second solenoid valve (9) and third solenoid valve (12) on-off with open
Degree, the variable-frequency motor (15) pass through the instruction works of control unit (3).
2. a kind of accurate proportion according to claim 1 and metering air-transport system, it is characterised in that: the caching material
Storehouse (6) two sides and the two sides of blending bunker (5) are fixedly installed with triangle load-bearing ear block (16), the triangle load-bearing ear block (16)
Equipped with the screw lifting device (19) promoted for feed bin small range, the weighing sensor (4) is located at triangle load-bearing ear block
(16) between the crossbeam of bracket (1).
3. a kind of accurate proportion according to claim 2 and metering air-transport system, it is characterised in that: the spiral mentions
Rising device (19) includes being fixedly mounted on the screw shell (20) of triangle load-bearing ear block bottom and being fixedly mounted on bracket (1) crossbeam
The smooth sleeve (21) at top, the peaceful sliding sleeve (21) of the screw shell (20) is interior to be equipped with same root screw rod (22).
4. a kind of accurate proportion according to claim 1 and metering air-transport system, it is characterised in that: the feeder pipe
(8) cross section is rectangular section, and short side is gradually reduced, and exit end face is in long and narrow rectangle, under two feeder pipes (8)
It is in small-angle skew when going and gradually transfer, and extremely exporting, and the outlet of two feeder pipes (8) is not in same level position
It sets.
5. a kind of accurate proportion according to claim 1 and metering air-transport system, it is characterised in that: in the caching
The bottom of feed bin (6) is flexibly connected by feeder pipe (8) and blending bunker (5), the blade blanking device (13) and the injection
It is tightly connected between device (11) by pipeline flexible.
6. a kind of accurate proportion according to claim 1 and metering air-transport system, it is characterised in that: the injector
(11) connect with the blower (18) being located on the outside of bracket (1) by pressure line (17), the pressure line (17) be oriented to out
The end of expects pipe (10) is connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820205384.4U CN208406876U (en) | 2018-02-06 | 2018-02-06 | It is a kind of accurately to match and metering air-transport system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820205384.4U CN208406876U (en) | 2018-02-06 | 2018-02-06 | It is a kind of accurately to match and metering air-transport system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208406876U true CN208406876U (en) | 2019-01-22 |
Family
ID=65120525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820205384.4U Active CN208406876U (en) | 2018-02-06 | 2018-02-06 | It is a kind of accurately to match and metering air-transport system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208406876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115414849A (en) * | 2022-11-03 | 2022-12-02 | 常州市正隆粉体工程有限公司 | Mixing storage and conveying device |
-
2018
- 2018-02-06 CN CN201820205384.4U patent/CN208406876U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115414849A (en) * | 2022-11-03 | 2022-12-02 | 常州市正隆粉体工程有限公司 | Mixing storage and conveying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105983297B (en) | A kind of coal fired power plant flying dust adsorbent integration is modified and sprays demercuration system | |
| CN208406876U (en) | It is a kind of accurately to match and metering air-transport system | |
| CN207546205U (en) | A kind of water spraying atomization device for boiler smoke semi-dry desulphurization | |
| CN110053887A (en) | A kind of cement plant powder denitrfying agent conveying device and its application method | |
| CN209956633U (en) | Cement plant powder denitration agent conveyor | |
| CN109833766A (en) | A kind of novel semi-dry desulphurization calcium hydroxide charging metering system and method | |
| CN202725020U (en) | Calcium carbonate composite addition dry desulfurization system of circulating fluidized bed boiler (CFBB) | |
| CN104963512A (en) | Intelligent feeding and mechanical spraying fast wall-building system | |
| CN108211974A (en) | A kind of accurate proportioning and metering air-transport system | |
| CN204899223U (en) | Automatic it spouts and builds wall system soon to change feed and machine | |
| CN208145761U (en) | A kind of in-furnace calcium spraying dry method desulfuration system | |
| CN205170469U (en) | Festival material type high efficiency coagulation agent preparation facilities | |
| CN212236714U (en) | Dosing device based on operation condition of desulfurization tower of coal-fired unit | |
| CN103332505B (en) | Powder air groove conveying and metering method and device thereof | |
| CN103894039B (en) | For coal fired power plant flue fall dirty can online weighing sorbent injection device | |
| CN202893181U (en) | Desulphurization device in circulating fluidized bed boiler | |
| CN212440787U (en) | Cement kiln flue gas desulfurization system | |
| CN217248005U (en) | Slaked lime conveying equipment and slaked lime conveying automatic control system | |
| CN219949215U (en) | Lime feeding device for wastewater treatment | |
| CN203317511U (en) | Concrete powdery admixture metering and dispensing device | |
| CN203886390U (en) | Online-weighing adsorbent jetting device for reducing pollution of coal-fired power plant | |
| CN220641157U (en) | Novel separate bin type coal bucket | |
| CN219173654U (en) | Automatic change chain and weigh buffer tank row pressure anti-blocking device | |
| CN205102892U (en) | Glassware frit is weighed and feeding mechanism | |
| CN1390628A (en) | Method and equipment for desulfurizing the sulfur-fixating agent of chain furnace by spraying calcium and atomized water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |