CN203033485U - Dust-suppression coal-blending system - Google Patents
Dust-suppression coal-blending system Download PDFInfo
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- CN203033485U CN203033485U CN 201220712796 CN201220712796U CN203033485U CN 203033485 U CN203033485 U CN 203033485U CN 201220712796 CN201220712796 CN 201220712796 CN 201220712796 U CN201220712796 U CN 201220712796U CN 203033485 U CN203033485 U CN 203033485U
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Abstract
The utility model discloses a dust-suppression coal-blending system which comprises a mixing mechanism, a first transporting mechanism and a second transporting mechanism, wherein the first transporting mechanism and the second transporting mechanism are communicated with a feed port of the mixing structure, a feed port of the first transporting mechanism is communicated with a discharge port of a finished product coal supplying mechanism, and a feed port of the second transporting mechanism is communicated with a supplying mechanism of brown coal or raw coal. The dust-suppression coal-blending system is capable of mixing the brown coal and the raw coal with the finished product coal together and avoiding a large amount of raised dust during storage and transportation during forming of mixed coal, does not cause further pollution when the dust-suppression coal-blending system is used, brings convenience in material-selecting, low in cost, and capable of reducing environmental pollution.
Description
Technical field
The utility model relates to the coal processing technique field, is specifically related to a kind of dust suppression Coal Blending System.
Background technology
The coal dust that coal produces in stacking process and diffusion phenomena are quite complicated, and it is all multifactor relevant with coal, aqueous ingredients, particle diameter distribution, stacking mode, surrounding terrain and meteorological conditions etc.Cause the major cause of open-air coal yard dust pollution that 2 points are arranged, the one, the effect of wind-force, under the effect of wind-force, the coal dust of open-air coal yard diffusive migration with the wind causes dust pollution, the dust that some is tiny even can be diffused into outside several kilometers with the wind.The 2nd, the effect of mechanical force comprises that loading and unloading operation plays the secondary that the transportation of road automobile causes outside dirt, the stockyard and plays dirt etc.Coal yard is because the operation of some heavy mechanical equipments and the transportation of automobile etc. in the open, make the bigger coal dust of some particles also become the part of airborne dust, caused the gross pollution of air environment, simultaneously also serious harm cutter healthy influences the ordinary production operation.
Open-air coal yard plays dust quantity calculating and is subjected to influence of various factors, problem more complicated.Research thinks material in stacking process to play dust quantity main with to stack shape, stockyard arrangement and bank and wind direction angle and wind speed closely related, and play the estimation of dust quantity and the estimation that dump plays dust quantity when having carried out coal handling.The result shows that the main dust pollution source that dirt is loose unpacked material is played in the stockyard, and the stockyard is played dust quantity and is far longer than operation with change of wind velocity and plays dust quantity with change of wind velocity.Coal is in stacking process, and the size that plays dust quantity depends on the form of dump, water ratio and the wind speed of dump.
Result of study as can be seen, it is more to influence the factor that open-air coal yard coal dust plays dirt, wherein, the aqueous ingredients of wind speed, coal is topmost influence factor, and the size that plays dust quantity is had very significant effects.Other factors such as dump face area, dump density, coal yard coal storage, fine coal particle diameter etc. are also to playing the big or small influential of dust quantity.
In order to reduce flying upward of dust, dual mode is arranged in the prior art, a kind of is that this mode is produced effects not quite, after a period of time to the coal water spray, after the water evaporates of spraying again dust raising phenomenon can appear, another kind is that coal is sneaked into dedusting agent, and this dedusting agent needs outsourcing or preparation voluntarily, needs the certain cost of cost, owing to contain some harmful chemical components, the coal of sneaking into dedusting agent can cause extra environmental pollution when follow-up use in addition.
The utility model content
In view of this, the purpose of this utility model provides a kind of dust suppression Coal Blending System, can suppress coal and deposit airborne dust problem when carrying, and the mixing coal that obtains can not cause further environmental pollution again in use.
The technical solution of the utility model is:
A kind of dust suppression Coal Blending System, comprise mixed organization, with first conveying mechanism and second conveying mechanism of mixed organization inlet point conducting, the inlet point of described first conveying mechanism is communicated with the discharging opening of readymade coal organization of supply, and the inlet point of described second conveying mechanism is communicated with the organization of supply of brown coal raw coal.
Preferably, described first conveying mechanism is the hermetic type conveyer.
Preferably, described second conveying mechanism is the hermetic type conveyer.
Preferably, described hermetic type conveyer is the buried scraper conveyer.
Preferably, described mixed organization is puddle mixer.
Preferably, described readymade coal organization of supply comprise device for improving quality, the feeding device that is communicated with the device for improving quality inlet point, with the heat-conducting medium feeding mechanism of device for improving quality heat-conducting medium import conducting, the recycling and processing device that is communicated with the exhaust side of device for improving quality, described recycling and processing device also is connected with the heat-conducting medium feeding mechanism, to the material of heat-conducting medium feeding mechanism conveying through recycling.
Preferably, described recycling and processing device comprises exhaust cooling mechanism, material disconnecting gear, the exhaust side of described device for improving quality is communicated with described exhaust cooling mechanism, and described exhaust cooling mechanism is connected with the heat-conducting medium feeding mechanism, described material disconnecting gear and the conducting of described exhaust cooling mechanism.
Preferably, described feeding device comprises:
Feed coal is carried out the broken crushing mechanism of one-level at least.
Dust suppression Coal Blending System of the present utility model, since comprise mixed organization, with first conveying mechanism and second conveying mechanism of mixed organization inlet point conducting, the inlet point of described first conveying mechanism is communicated with the discharging opening of readymade coal organization of supply, the inlet point of described second conveying mechanism is communicated with the organization of supply of brown coal raw coal, therefore brown coal raw coal and readymade coal can be mixed coal blending, the mixing coal that forms can be avoided a large amount of airborne dusts when depositing transportation, and can not cause further pollution in use, draw materials conveniently, cost is low, reduces environmental pollution.
Description of drawings
Fig. 1 is the birds-eye view of the utility model dust suppression Coal Blending System;
Fig. 2 is the lateral plan of dust suppression Coal Blending System among Fig. 1;
Fig. 3 is the structural representation of readymade coal feeding mechanism among Fig. 1.
The specific embodiment
In order to make those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1 ~ Fig. 3, the dust suppression Coal Blending System in the present embodiment comprises that the discharging opening of first conveying mechanism 1, second conveying mechanism 2, puddle mixer 3, the first conveying mechanisms 1 and the discharging opening of second conveying mechanism 2 all are communicated with the inlet point of puddle mixer 3.First conveying mechanism 1 is provided with inlet point 1a, and this inlet point 1a is communicated with readymade coal organization of supply S.Second conveying mechanism 2 is provided with inlet point 2a, and this inlet point 2a is communicated with brown coal raw coal organization of supply.
In the present embodiment, first conveying mechanism 1 and second conveying mechanism 2 are all selected the buried scraper conveyer for use, and this enclosed conveying mechanism can prevent airborne dust in course of conveying.
Readymade coal organization of supply S in the present embodiment comprises following mechanism:
The two stage crusher structure, every grade of crushing mechanism involving vibrations feeder S1, bidentate crusher S2;
Straight line shaker S3 sieves the material of fragmentation, then sends into surge bunker S4, delivers to the band conveyor S5 that is arranged on fat coal product production device inlet point place again.
Wherein, the heat-conducting medium organization of supply comprises unistage type gas furnace S6, gas burner S7.The unistage type gas furnace is a gas generator, namely utilize solid coal process gas fuel-coal gas, gas burner is with gaseous fuel-gas-fired, thereby for total system provides thermal source, gas burner S7 in the present embodiment is divided into two sections, leading portion is combustion chamber, and back segment is for mixing wind, current stabilization, going out air compartment.In the present embodiment, be provided with four groups of brown coal device for improving quality S8.The discharging opening place of the discharge bucket below of brown coal device for improving quality is provided with the screw feeder S9 of cooling body, screw feeder S9 comprises housing, be arranged on the housing top inlet point, be arranged on the housing below discharging opening, be arranged on the screw rod in the housing, the rotating shaft of screw rod is connected with a driver train, rotates under it drives; By the rotating speed of control screw rod, can control the discharging speed of brown coal device for improving quality, the size of its rotating speed can determine material at the length of the halt of fat coal product production device.Wherein, the outer wall of housing is provided with Bailey wall, by the cooling water expansion tank circulation, makes that material temperature in the screw rod transmission process is descended, the feasible material of finally sending from discharging opening, and its temperature is below 100 ℃.
Recycling and processing device in the present embodiment, comprise spray column S10, water-cooling tower S11, purification tank for liquid waste S12, the oil-water separation tank S13 that is connected with brown coal device for improving quality exhaust side and the power facility that is connected with the heat-conducting medium outlet of brown coal device for improving quality, the exhaust side of brown coal device for improving quality is communicated with spray column S10, spray column S10 is connected with heat-conducting medium feeding mechanism, water-cooling tower S11 respectively, water-cooling tower S11 is connected with a purification tank for liquid waste, purification tank for liquid waste is connected with an oil-water separation tank, in oil-water separation tank, tar and moisture from, tar is recycled.Wherein power facility comprises the boiler of power generation by waste heat S14 that is connected with the heat-conducting medium outlet, the steam turbine S15 that is connected with boiler of power generation by waste heat S14, the electrical generator S16 that is connected with steam turbine.Wherein, water-cooling tower, oil-water separation tank and spray column are one, and the main effect of spray column is the self-produced gas of cooling down high-temperature, when high-temperature gas is cooled to 100 degree when following, oil vapour wherein, the just whole liquefies of aqueous vapor so just can be separated with the coal gas of gaseous state.Water-cooling tower cools off into water at low temperature recirculation with the high-temperature water that comes out in the spray column and returns spray column and come the self-produced gas of cooling down high-temperature.Oil-water separation tank provides the water of nothing oil for water-cooling tower and spray column.In other embodiments, spray column can replace with other cooling intallation, such as shell-and-tube heat exchanger.Heat-conducting medium exports an end and is connected with power facility, and the other end is connected with gas burner S7, and the heat-conducting medium of handling coal is recycled, and a part is supplied with gas burner and burnt, and remaining heat recuperation is carried out cogeneration.Because the gas temperature of coal gas after combustion chambers burn is too high, directly enter in the fat coal product production device and will cause device damage, therefore before these gases enter the fat coal product production device, need at gas burner mixed wind, current stabilization, go out to sneak in the air compartment the low slightly gas of some temperature, in the present embodiment, the heat-conducting medium of being used that the gas that these temperature are low slightly adopts the heat-conducting medium discharge orifice to draw back, the heat-conducting medium of suitable temperature can either be provided for the brown coal device for improving quality like this, can also utilize the waste heat of heat-conducting medium outlet high-temperature flue gas simultaneously.
Wherein, be provided with an opening near the feed end place on the shell of brown coal device for improving quality, opening is connected with spray column by a body.
Separate the tar obtain through oil-water separation tank and be sent to coalification factory and handle, form tar product.
The dust suppression principle of the dust suppression Coal Blending System of present embodiment is described as follows:
The full liquid water content height of brown coal raw coal generally below 10%, will just be equivalent to increase the aqueous ingredients of coal sample through the full liquid water content of readymade coal after the pyrolysis upgrading after raw coal and the readymade coal mixing coal blending.Water in the raw coal can the tiny readymade coal dried dust of wetting particle, its relative density is increased, and be bonded to bigger particle, makes it can not fly upward under external force.Raw coal fine powder amount after the pyrolysis upgrading increases, and mechanical strength reduces to become fragile and easily produces coal dust, and raw coal aqueous ingredients height, and granularity is difficult for producing dirt greater than readymade coal, can effectively reduce the readymade coal dust-producing amount after the two is mixed coal blending in proportion.
Contain humic acid in the brown coal, content reaches 10% ~ 80%, and humic acid is a kind of organic acid that contains multiple functional group.It neither melts, non-crystallizable again, can think that also it is a kind of unbodied polymer colloid.Humic acid is black or brown colloidal state more, is a kind of hydrophilic reversible colloid, and cohesiveness is arranged.
After the readymade coal that the raw coal that aqueous ingredients is high and aqueous ingredients are low mixes coal blending in proportion, owing to contain humic acid in the brown coal, metallic ion and oxide in active function groups in the humic acid structure and the fine breeze ash in the readymade coal react, form stable complex compound or chelate, have very strong binding force to each other.Because there are many pores in brown coal inside, the porosity and the specific surface area of brown coal inside are higher, and brown coal contain primary humic acid, the surface possess hydrophilic property, cause brown coal to pass through surface absorption, three kinds of effects of capillary condensation and interfacial diffusion moisture absorption, the less coal dust of granularity of airborne dust can be by the wetting absorption of raw coal easily in the readymade coal after raw coal and the readymade coal mixing coal blending, make the granule coacervating large particle, thereby increase the particle diameter of dust, increase the density of dust granules, accelerate the fall velocity of dust granules, thereby reduce airborne airborne dust, reach the purpose of control airborne dust.
More than the utility model is described in detail, use specific case in the literary composition principle of the present utility model and embodiment set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. dust suppression Coal Blending System, it is characterized in that, comprise mixed organization, with first conveying mechanism and second conveying mechanism of mixed organization inlet point conducting, the inlet point of described first conveying mechanism is communicated with the discharging opening of readymade coal organization of supply, and the inlet point of described second conveying mechanism is communicated with the organization of supply of brown coal raw coal.
2. dust suppression Coal Blending System as claimed in claim 1 is characterized in that, described first conveying mechanism is the hermetic type conveyer.
3. dust suppression Coal Blending System as claimed in claim 1 is characterized in that, described second conveying mechanism is the hermetic type conveyer.
4. as claim 2 or 3 described dust suppression Coal Blending System, it is characterized in that described hermetic type conveyer is the buried scraper conveyer.
5. dust suppression Coal Blending System as claimed in claim 1 is characterized in that, described mixed organization is puddle mixer.
6. dust suppression Coal Blending System as claimed in claim 1, it is characterized in that, described readymade coal organization of supply comprise device for improving quality, the feeding device that is communicated with the device for improving quality inlet point, with the heat-conducting medium feeding mechanism of device for improving quality heat-conducting medium import conducting, the recycling and processing device that is communicated with the exhaust side of device for improving quality, described recycling and processing device also is connected with the heat-conducting medium feeding mechanism, to the material of heat-conducting medium feeding mechanism conveying through recycling.
7. dust suppression Coal Blending System as claimed in claim 6, it is characterized in that, described recycling and processing device comprises exhaust cooling mechanism, material disconnecting gear, the exhaust side of described device for improving quality is communicated with described exhaust cooling mechanism, described exhaust cooling mechanism is connected with the heat-conducting medium feeding mechanism, described material disconnecting gear and the conducting of described exhaust cooling mechanism.
8. dust suppression Coal Blending System as claimed in claim 6 is characterized in that, described feeding device comprises the crushing mechanism of one-level at least that feed coal is carried out fragmentation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220712796 CN203033485U (en) | 2012-12-20 | 2012-12-20 | Dust-suppression coal-blending system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220712796 CN203033485U (en) | 2012-12-20 | 2012-12-20 | Dust-suppression coal-blending system |
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| Publication Number | Publication Date |
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| CN203033485U true CN203033485U (en) | 2013-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220712796 Expired - Fee Related CN203033485U (en) | 2012-12-20 | 2012-12-20 | Dust-suppression coal-blending system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105331417A (en) * | 2015-11-10 | 2016-02-17 | 中信重工机械股份有限公司 | Mixing type brown coal drying and upgrading method and used device |
| CN105333724A (en) * | 2015-11-06 | 2016-02-17 | 西安热工研究院有限公司 | Safety storage and transportation method of dried brown coal |
| CN113830489A (en) * | 2021-09-07 | 2021-12-24 | 曹昌海 | Slay pipeline is with preventing connecting device that splits |
-
2012
- 2012-12-20 CN CN 201220712796 patent/CN203033485U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333724A (en) * | 2015-11-06 | 2016-02-17 | 西安热工研究院有限公司 | Safety storage and transportation method of dried brown coal |
| CN105331417A (en) * | 2015-11-10 | 2016-02-17 | 中信重工机械股份有限公司 | Mixing type brown coal drying and upgrading method and used device |
| CN113830489A (en) * | 2021-09-07 | 2021-12-24 | 曹昌海 | Slay pipeline is with preventing connecting device that splits |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: QIANQIU ENERGY (SHANGHAI) CO., LTD. Free format text: FORMER OWNER: LI BAIRONG Effective date: 20131010 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 510000 GUANGZHOU, GUANGDONG PROVINCE TO: 201306 PUDONG NEW AREA, SHANGHAI |
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| TR01 | Transfer of patent right |
Effective date of registration: 20131010 Address after: 201306 No. 340 A0201 neighborhood, Lingang hi tech industrialization base, Shanghai, Pudong New Area Patentee after: Future energy (Shanghai) Limited Address before: Guangyuan East Road Guangzhou Guangdong province 510000 City Sceneway Metro 1 Street 7 block 701 Patentee before: Li Bairong |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20191220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |