CN210103002U - Environment-friendly fly ash solidification dust suppression device - Google Patents
Environment-friendly fly ash solidification dust suppression device Download PDFInfo
- Publication number
- CN210103002U CN210103002U CN201920595295.XU CN201920595295U CN210103002U CN 210103002 U CN210103002 U CN 210103002U CN 201920595295 U CN201920595295 U CN 201920595295U CN 210103002 U CN210103002 U CN 210103002U
- Authority
- CN
- China
- Prior art keywords
- fly ash
- premixer
- ash
- environment
- reactor
- 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
Images
Abstract
The utility model provides an environment-friendly fly ash solidification dust suppression device which characterized in that: including fly ash storehouse, premixer, solidification reactor, quicklime storehouse, weighing feeder, conduit, wherein: the fly ash storehouse and the quick lime bin are converged to a feed inlet of the premixer through respective conveying pipelines, and a weighing feeder is arranged between the premixer and the quick lime bin; the fly ash conveying pipeline is provided with a feeding regulating valve and a solid flow meter; the discharge port of the premixer is connected with the feed inlet of the curing reactor, the water delivery pipeline is connected with the liquid inlet hole of the curing reactor, the water delivery pipeline is provided with a flowmeter, the fly ash, the quicklime and the water are uniformly mixed in the curing reactor, a chemical curing reaction is immediately carried out, heat is released, coagulum and a cured layer are gradually formed, and the coagulum and the cured layer are discharged through the discharge port of the curing reactor. The utility model solves the problem that the dust suppression measures such as conventional ash humidification and dry ash field spraying can not meet the increasingly strict environmental protection index requirements, and reduces the influence of the fly ash on the environment in the transportation, storage and transportation links to the greatest extent; the system is simple, and the unloading is nimble, has reduced the operation maintenance cost, reduces the ash yard and sprays the water consumption.
Description
Technical Field
The utility model relates to a fly ash storage, transportation technical field, concretely relates to environment-friendly fly ash solidification dust suppression device.
Background
In a coal-fired thermal power plant, a dry ash removal system and a dry ash removal device are generally adopted, discharged fly ash is collected and stored in an ash storage, and when the fly ash is not comprehensively utilized, the fly ash is humidified and transported to an ash dry field. For example, the fly ash conveying and storing device disclosed in chinese patent CN 203048221U conveys the fly ash in each silo pump to a closed ash warehouse through an ash conveying pipe, two ash discharge ports are arranged at the lower part of the ash warehouse, one ash discharge port is conveyed into a closed tank car through a dry ash bulk loader, the fly ash is conveyed to an ash factory or other places where needed, the other ash discharge port is conveyed into an ash car through a double-shaft wet mixer, and the ash is stirred by adding water through a humidifying mixer, so as to prevent dust emission.
In actual operation, the existing operation mode and dust suppression scheme still have serious dust raising phenomenon in road transportation and dust yard storage, have great influence on environment and cannot meet the harsh environmental protection requirement of the state on the dust yard.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an environment-friendly fly ash solidification dust suppression device increases intermolecular adhesion through chemical reaction, makes the fly ash clot cohesive solidification, has effectively solved the environmental pollution problem of unloading in the outward transport process from the factory, transporting on the way until each link such as the outer grey yard of factory stores.
In order to achieve the purpose, the utility model provides an environment-friendly fly ash solidification dust suppression device, its characterized in that: including fly ash storehouse, premixer, solidification reactor, quicklime storehouse, weighing feeder, conduit, wherein: the fly ash storehouse and the quick lime bin are converged to a feed inlet of the premixer through respective conveying pipelines, and a weighing feeder is arranged between the premixer and the quick lime bin; a feeding regulating valve and a solid flow meter for controlling the output quantity of the fly ash are sequentially arranged on the fly ash conveying pipeline from top to bottom; the discharge port of the premixer is connected with the feed inlet of the curing reactor, the water delivery pipeline is connected with the liquid inlet hole of the curing reactor, the water delivery pipeline is provided with a flowmeter, the fly ash, the quicklime and the water are uniformly mixed in the curing reactor, a chemical curing reaction is immediately carried out, heat is released, coagulum and a cured layer are gradually formed, and the coagulum and the cured layer are discharged through the discharge port of the curing reactor.
Further, a screw feeder is arranged between the pre-mixer and the weighing feeder, and the quick lime is conveyed into the pre-mixer through the screw feeder to be fully mixed with the pulverized coal.
Furthermore, a manual shutoff door and a pneumatic shutoff door are respectively arranged on the fly ash conveying pipeline and the quick lime conveying pipeline, and the water conveying pipeline is provided with a valve for directly carrying out dry-type unloading on the fly ash.
The beneficial effects of the utility model
(1) The problem of conventional ash humidification + dry ash field spray etc. dust suppression measures can't satisfy the environmental protection index requirement that is becoming stricter is solved, the dust field environmental protection policy adaptability will be promoted by a wide margin, can satisfy the environmental protection requirement of the state of European Union to the dust ash field.
(2) The problem of fly ash raise dust in the links of transportation and ash yard storage is solved, and the influence of fly ash on the environment in the links of transportation, storage and transportation is reduced to the greatest extent.
(3) The adaptability of the cured product is strong, and the subsequent transportation and the multi-stage transportation can not cause great influence on the curing effect.
(4) The system is simple, the discharging is flexible, and the adding proportion and the humidifying proportion of the curing agent can be flexibly adjusted according to the environment-friendly requirement and the characteristics of the fly ash.
(5) The working pressure of manual dust suppression in the transportation process and the dust field area is effectively reduced, the operation and maintenance cost is reduced, and the water consumption of spraying in the dust field is reduced.
(6) The dry-wet discharging is flexibly switched, and the function switching of dry-type discharging and wet-type discharging can be realized if humidification water is added or not, so that the system is simple and the discharging is flexible.
Drawings
Fig. 1 is a schematic view of the device of the present invention.
In the figure: 1. manually shutting off the door; 2. a pneumatic shutoff gate; 3. a fly ash feed regulating valve; 4. a solids flow meter; 5. a weighing feeder; 6, a screw feeder; 7. a premixer; 8, a curing reactor; 9. a quicklime bin; 10. a water delivery pipeline; 11. fly ash storehouse, 12. flow meter; 13. and (4) a valve.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, an environment-friendly fly ash solidification dust suppression device comprises a fly ash warehouse 11, a premixer 7, a solidification reactor 8, a quicklime bin 9, a weighing feeder 5 and a water pipeline 10, wherein the premixer 7 is made of SDM850-5210 manufactured by Czech, a feeding port of the premixer 7 is connected with a discharging port of the quicklime bin 9 through a pipeline, and the weighing feeder 5 for measuring the quantity of the quicklime is arranged on the pipeline between the premixer 7 and the quicklime bin 9; the fly ash pipeline is connected with a feed inlet of the premixer 7, a fly ash feed adjusting valve 3 for controlling the amount of the fly ash and a solid flow meter 4 for measuring the amount of the fly ash are sequentially arranged on the fly ash pipeline, a discharge outlet of the premixer 7 is connected with a feed inlet of the solidification reactor 8 through a pipeline, a flow meter 12 for measuring the amount of water is arranged on the water pipeline 10, the water pipeline 10 is connected with a liquid inlet hole of the solidification reactor 8, the solidification reactor adopts a Czech manufacturing EHM145 model, the dry material input Q = 100-200 t/h and the water input Q = 30-0 t/h, and after the fly ash, the quicklime and the water are uniformly mixed in the solidification stirrer, a chemical solidification reaction immediately occurs and heat is released to gradually form a coagulum and a solidified layer which are discharged through a discharge.
A screw feeder 6 is arranged between the premixer 7 and the weighing feeder 5, the screw feeder 6 adopts a Czech manufacturing SDM model of 250-6780, the model is selected according to Q =1-6t/h, the output force can be flexibly adjusted according to the system requirement, and the quick lime is conveyed into the premixer through the screw feeder 6 to be fully mixed with the fly ash.
The conveying pipelines of the fly ash storehouse 11 and the fly ash storehouse 9 are respectively provided with a manual shutoff door 1 and a pneumatic shutoff door 2, and the conveying pipelines are provided with valves 13; the manual shutoff door 1 is normally opened and is controlled by the pneumatic shutoff door 2, and when the quicklime shutoff valve and the water adding valve are closed in the whole process, the dry-type unloading of the fly ash can be directly realized.
The utility model discloses the theory of operation:
the manual shutoff door is normally opened, the coal ash and the quicklime are fed by the pneumatic shutoff door, the feeding of the quicklime is accurately measured by the weighing and feeding machine and is mixed into the coal ash according to the proportion of 1-3%, and the quantitative proportion of the coal ash and the quicklime is met. The quick lime is conveyed into the pre-mixer through the screw feeder to be fully mixed with the fly ash. The mixture is mixed with water in a curing reactor and undergoes chemical reaction to form a cured substance, and the cured substance is conveyed to an automobile or a belt conveyor through a blanking pipe for outward transportation.
The utility model discloses a also compatible traditional dry ash machine of loosing the function of unloading, when whole closed quick lime shutoff valve and water shutoff valve, can realize directly carrying out the fly ash dry-type and unload.
Claims (3)
1. The utility model provides an environment-friendly fly ash solidification dust suppression device which characterized in that: including fly ash storehouse, premixer, solidification reactor, quicklime storehouse, weighing feeder, conduit, wherein: the fly ash storehouse and the quick lime bin are converged to a feed inlet of the premixer through respective conveying pipelines, and a weighing feeder is arranged between the premixer and the quick lime bin; a feeding regulating valve and a solid flow meter for controlling the output quantity of the fly ash are sequentially arranged on the fly ash conveying pipeline from top to bottom; the discharge port of the premixer is connected with the feed inlet of the curing reactor, the water delivery pipeline is connected with the feed inlet of the curing reactor, and the water delivery pipeline is provided with a flowmeter.
2. The environment-friendly fly ash solidification dust suppression device as claimed in claim 1, wherein: and a screw feeder is arranged between the premixer and the weighing feeder, and quicklime is conveyed into the premixer through the screw feeder to be fully mixed with the pulverized coal.
3. The environment-friendly fly ash solidification dust suppression device as claimed in claim 1, wherein: the fly ash conveying pipeline and the quick lime conveying pipeline are respectively provided with a manual shutoff door and a pneumatic shutoff door, and the water conveying pipeline is provided with a valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920595295.XU CN210103002U (en) | 2019-04-28 | 2019-04-28 | Environment-friendly fly ash solidification dust suppression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920595295.XU CN210103002U (en) | 2019-04-28 | 2019-04-28 | Environment-friendly fly ash solidification dust suppression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210103002U true CN210103002U (en) | 2020-02-21 |
Family
ID=69538001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920595295.XU Active CN210103002U (en) | 2019-04-28 | 2019-04-28 | Environment-friendly fly ash solidification dust suppression device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210103002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453005A (en) * | 2020-09-28 | 2021-03-09 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Dry-type micro-fine-particle tailing disposal method for arid and windy areas |
-
2019
- 2019-04-28 CN CN201920595295.XU patent/CN210103002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453005A (en) * | 2020-09-28 | 2021-03-09 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Dry-type micro-fine-particle tailing disposal method for arid and windy areas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201980761U (en) | Dustless pneumatic transmission device for feeding acidized electrolytic manganese | |
| CN104773509A (en) | System and method for conveying fluidized parallel storehouse pumps | |
| CN210103002U (en) | Environment-friendly fly ash solidification dust suppression device | |
| CN214827291U (en) | Dry powder mortar malleation pneumatic conveying system | |
| CN108147134A (en) | A kind of light Jie flows air-transport system altogether | |
| CN201125092Y (en) | Short stage dust conveying facility for dry type dust removing equipment | |
| CN112410499B (en) | Digestion device and digestion method for free calcium oxide in converter fly ash | |
| CN103274217A (en) | Novel coal conveying bunker type pump with blockage-preventing outlet | |
| CN109318368B (en) | Environment-friendly totally enclosed building material production facility | |
| CN207918026U (en) | Light Jie of one kind flowing air-transport system altogether | |
| CN200942995Y (en) | Flat-bottomed powder storage hopper bottom even unloading device | |
| CN203624577U (en) | Pneumatic conveying device of coal dust | |
| CN205602703U (en) | Pneumatolytic dry dust conveying equipment in air input intelligent regulation bottom | |
| CN217410341U (en) | Cement kiln desulfurization system | |
| CN210824454U (en) | Novel carbide slag is unloaded device | |
| CN210504514U (en) | Fuel storage and conveying system for biomass direct combustion | |
| CN107413188A (en) | The slurries system and its pulping process of a kind of agstone slurrying | |
| CN201214571Y (en) | Non-fluidized disk pneumatic conveying apparatus | |
| CN210392931U (en) | Coke powder blowing and conveying system | |
| CN201598038U (en) | Dust conveyor | |
| CN103318648B (en) | Converter gas dry-method dedusting cinder pneumatic conveying method | |
| CN207266826U (en) | A kind of slurries system of agstone slurrying | |
| CN210187104U (en) | Automatic adding system of energy-saving and emission-reducing material | |
| CN110144796A (en) | A kind of spraying modified special-purpose vehicle of intelligent high-speed slurrying | |
| CN220573409U (en) | Lime and sulfur premixing and adding system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |