CN204568839U - A kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system - Google Patents
A kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system Download PDFInfo
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- CN204568839U CN204568839U CN201520161749.4U CN201520161749U CN204568839U CN 204568839 U CN204568839 U CN 204568839U CN 201520161749 U CN201520161749 U CN 201520161749U CN 204568839 U CN204568839 U CN 204568839U
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- ash
- calcium carbide
- pump
- dust removal
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Abstract
The utility model discloses a kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system, comprise dedusting ashes storehouse, rotate charging gear, storehouse pump, gas control system, ash storehouse, ash pipeline connects composition, attemperator is provided with bottom its dedusting ashes storehouse, outlet conduit arranges flange and connects with rotation charging gear entrance, storehouse pump intake exports with rotation charging gear and connects, pump top, storehouse to dedusting ashes storehouse top attachment muffler forms grey air circuit control system, the ash pipeline that the top of storehouse pump and outlet at bottom connect is provided with admission port, ash pipeline outlet is connected in Hui Ku top, and Hui Ku top is provided with exhaust and filtration apparatus, ash bottom of the reservior portion is provided with fluidizer.The potential safety hazard that this is novel exists when solving dedusting ash conveying in prior art and secondary pollution problems, provide that a kind of structure is simple, the delivery system of efficient low-consume, not easily plugging.
Description
Technical field
The utility model belongs to materials-handling technology field, particularly relates to a kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system.
Background technology
Geldart-D particle is the energy utilizing air-flow, along a kind of mode of movement of air flow line conveying granular material in closed conduit, is applicable to the conveying of not easily crushed particles, powder, is a kind of embody rule of fluidization technology.The structure of its feedway is comparatively simple, easy to operate, can do the conveying of level, vertical direction, avoid the dust pollution brought in course of conveying.Different transporting patterns and pumped (conveying) medium can be selected for the characteristic of material simultaneously.
In calcium carbide industry, the transport process for particulate dust generally adopts auger, chain-linked conveyer or belt conveyor.And the dedusting ash by collecting after dry dedusting technology in calcium carbide burner gas, its fine size, light specific gravity, viscosity are large, and the materials such as carbon containing, phosphorus, sulphur, very easily spontaneous combustion after contacting with air, when utilizing prior art transport process, easily cause secondary environmental pollution, simultaneously because dedusting ash temperature is higher, during conveying, in atmosphere, easily there is spontaneous combustion in the material such as phosphorus, sulphur for contact or exposure, make the dedusting ash of high carbon containing burn further, bring great potential safety hazard to production process.Domestic calcium carbide enterprise utilizes a difficult problem for dedusting ash conveying, has carried out many tests and has attempted, but still cannot solve dedusting ash because of granularity of dust carefully, light specific gravity and the secondary pollution problem that causes; Because dust self-temperature is high, and bring fire safety hidden danger containing easy natural material, and cause the problems such as equipment blocking because its viscosity greatly easily sticks on equipment when the temperature decreases.
Dust removal of calcium carbide furnace belongs to superfine powder, is applicable to adopting Pneumatic Conveying Technology.But due to the production technology of closed calcium carbide furnace, the dedusting ash of calcium carbide furnace gas purification section is collected together with storage close-coupled, and whole process conveying, storage facilities adopt N
2sealing, to reach the object of safety in production.Therefore, how to develop and a kind of be applicable to closed calcium carbide furnace dedusting ash safety, efficiently delivery technology, realize easy to operate, conveying cost is lower becoming those skilled in the art's problem demanding prompt solution.
Chinese patent 201420435470.6 discloses a kind of overlength distance embolism formula air-transport system, it adopts top-guiding type storehouse pump, makes mass transport initial velocity and end speed comparatively large, large to pipe-line equipment wearing and tearing, maintenance cost is higher, and channel bend adopts ceramic elbow, adds conveying cost.In addition, delivery duct, in upper space complicated layout, not easily overhauls.
Summary of the invention
For the above-mentioned problems in the prior art, the utility model causes secondary environmental pollution, easily adheres to occluding device, easily the technical barriers such as fire safety accident occurs when solving dedusting ash conveying, provide a kind of efficient low-consume, not easily plugging, simple, easy to maintenance, the steady in a long-term air-transport system run of structure.
The utility model solves its technical matters and is achieved through the following technical solutions:
A kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system, comprise dedusting ashes storehouse, rotate charging gear, storehouse pump, gas control system, ash storehouse, ash pipeline connects composition, attemperator is provided with bottom its dedusting ashes storehouse, outlet conduit arranges flange and connects with rotation charging gear entrance, storehouse pump intake exports with rotation charging gear and connects, pump top, storehouse to top, dedusting ashes storehouse connects muffler and forms grey air circuit control system, the ash pipeline that storehouse pump outlet at bottom connects is provided with admission port, ash pipeline outlet is connected in Hui Ku top, and Hui Ku top is provided with exhaust and filtration apparatus, ash bottom of the reservior portion is provided with fluidizer, dust removal of calcium carbide furnace dust has viscosity, during low temperature, viscosity increase, flowing power are deteriorated, bottom dedusting ashes storehouse, install attemperator additional can ensure that dedusting ash has certain temperature and good flowing power, be convenient to the adhesion of carrying and reducing pipe interior, avoid plugging phenomenon occurs in course of conveying, can bring part carbonic oxide into when dedusting ash is by rotating feed and entering storehouse pump, grey air circuit control system can while balance bunker pump internal pressure, can make part carbonic oxide ash gas return to dedusting ashes storehouse, ash pipeline bottom the pump of storehouse arranges admission port, controls embolism by batch (-type) air inlet and formed, both improve grey gas ratio, and improved transport efficiency again.
Above-mentioned a kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system, its pump top, storehouse is provided with primary stage port, and the ash pipeline that storehouse pump outlet at bottom connects at least is provided with 1 group of secondary inlet port; Primary stage port pressurizes to material, and the material in delivery duct, by mode air inlets such as pulses, is cut into bolt by secondary inlet port, makes material steadily movement.
Above-mentioned a kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system, its secondary inlet port is batch (-type) air inlet, when being provided with many group admission ports, single-point batch (-type) air inlet successively; Batch (-type) air inlet, while one-tenth bolt, can reduce gas consumption to greatest extent; Can arrange when fed distance is far away and organize admission port more, especially be applicable to the place being arranged on easy plugging, can be automatically loose after while one-tenth bolt, in pipeline, material is subject to air inlet disturbance, the plugging phenomenon of this point is eliminated.
Above-mentioned a kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system, the muffler of its pump top, storehouse to dedusting ashes storehouse top attachment is provided with balance control valve; This valve is controlled by the change of storehouse pump internal pressure, realizes the fluency of dedusting ash when falling into storehouse pump and the reliable insulating in course of conveying storehouse pump and dedusting ashes storehouse, avoids safety misadventure occurs.
Above-mentioned a kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system, its gas control system, according to the change of checking system pressure, controls pressurization, fluidisation, one-tenth bolt suction quantity; This control system, by the change of detected pressures, can adjust size and the time of suction quantity in time, saves conveying gas consumption.
Above-mentioned a kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system, is provided with fluidizer and pressure-detecting device bottom its storehouse pump; Because dedusting ash has viscosity, easily stick to equipment inner wall, install fluidizer additional and make dedusting ash be in suspended state all the time, a large amount of dust adhesion can be avoided at equipment inner wall, and cause equipment to block.
Above-mentioned a kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system, its pumped (conveying) medium is unreactable gas, and when rotatory feeder valve quits work, inside is filled with unreactable gas; Because dedusting ash temperature is higher and containing materials such as elemental phosphorous, sulphur, phosphorus, the easy spontaneous combustion of sulfur material after ingress of air, and then the powdered carbon ignited in dedusting ash, dedusting ash temperature is raised instantaneously and blasts or scaling loss equipment, so adopt unreactable gas can avoid the generation of safety misadventure; Rotatory feeder valve inside is filled with unreactable gas, can not only play sealing function, but also can completely cut off with back-end system, reaches the object of safety in production.
The beneficial effects of the utility model are: for dust removal of calcium carbide furnace Dust Characteristics, utilize principle of differential pressure, fluidics is combined with fluidisation state technology and carries dedusting ash, provide the overall process hermetic type delivery system of a set of safety and environmental protection, this system, by the suction quantity of the pressurization of gas control system reasonable adjusting, fluidisation, has higher grey gas ratio; By force feed, material Cheng Shuanzhuan is flowed conveying, the average velociity of mass transport is reduced, reduces the wearing and tearing to pipeline, reduce the requirement to delivery duct material, air inlet is set in easy plugging place simultaneously, achieve delivery system long-term stability and run; Adopt unreactable gas to mass transport and valve seal, and grey air circuit control system is set, further increase reliability and the safety of system.
Accompanying drawing explanation
Fig. 1 is the utility model delivery system schematic flow sheet
Detailed description of the invention
For the technical characterstic of this programme more can be clearly demonstrated, below in conjunction with accompanying drawing 1, by specific embodiment, the utility model is described further.
A kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system that the utility model provides, by dedusting ashes storehouse 1, rotate charging gear 2, storehouse pump 3, gas control system 4, ash storehouse 5, ash pipeline 7 connects composition, wherein be provided with attemperator 9 bottom dedusting ashes storehouse 1, outlet conduit arranges flange and connects with rotation charging gear 2 entrance, storehouse pump 3 entrance arranges flange and exports connect with rotation charging gear 2, storehouse pump 3 top to top, dedusting ashes storehouse 1 connects muffler 10 and forms grey air circuit control system, the ash pipeline 7 that storehouse pump 3 outlet at bottom connects is provided with admission port 8, ash pipeline 7 outlet is connected in top, grey storehouse 5, and top, storehouse is provided with exhaust and filtration apparatus 6, ash is provided with fluidizer 11 bottom storehouse 5.
Embodiment 1: the dedusting ash that furnace of calcium carbide is collected is stored in dust cabin 1, when starting defeated ash, when starting to carry, storehouse pump 3 inlet valve, after on muffler 10, balance control valve 12 is opened successively, rotatory feeder valve 2 is opened and is made dedusting ash enter storehouse pump 3, when material level in storehouse pump 3 reaches setting peak, rotatory feeder valve 2, storehouse pump 3 inlet valve, balance control valve 12 on muffler 10 is closed successively, gas control system 4 controls each branch road nitrogen valve, open the pressurization control valve on storehouse pump 3, dedusting ash is pressurizeed, when the pressure in storehouse pump 3 reaches certain value, storehouse pump outlet at bottom valve is opened, on admission port 8, control cock is opened simultaneously, the dedusting ash entering ash pipeline 7 is cut into hitching post shape, enter in grey storehouse 5 along ash pipeline 7 low speed, now the exhaust and filtration apparatus 6 at top, grey storehouse 5 is opened, discharge after the gas filtration of conveying dedusting ash.After conveying, according to the pressure change in storehouse pump 3, gas control system 4 cuts off each valve air inlet in time, enters delivery cycle next time.
Embodiment 2: preferably described admission port 8 can be arranged on the pipe bent position of ash pipeline 7, the dust stratification of bend pipe is removed in timing, when fed distance is far away, ash pipeline 7 can arrange admission port 8 by multiple spot, and controlling intake method is single-point batch (-type) air inlet successively.
Embodiment 3: bottom preferably described storehouse pump 3, fluidizer and pressure-detecting device are set; Fluidizer makes dedusting ash be in suspended state to be convenient to conveying, and reduces adhesion to storehouse pump 3 inwall, and control system 4 according to the suction quantity of the timely surge bunker pump 3 of the size of pressure-detecting device detected pressures, can reduce the air inlet under passive state, realizes economizing on gas.
Claims (7)
1. a dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system, comprise dedusting ashes storehouse, rotate charging gear, storehouse pump, gas control system, ash storehouse, ash pipeline connects composition, it is characterized in that being provided with attemperator bottom dedusting ashes storehouse, outlet conduit arranges flange and connects with rotation charging gear entrance, storehouse pump intake exports with rotation charging gear and connects, pump top, storehouse to top, dedusting ashes storehouse connects muffler and forms grey air circuit control system, the ash pipeline that storehouse pump outlet at bottom connects is provided with admission port, ash pipeline outlet is connected in Hui Ku top, and Hui Ku top is provided with exhaust and filtration apparatus, ash bottom of the reservior portion is provided with fluidizer.
2. according to a kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system described in claim 1, it is characterized in that pump top, storehouse is provided with primary stage port, the ash pipeline that storehouse pump outlet at bottom connects at least is provided with 1 group of secondary inlet port.
3., according to a kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system described in claim 2, it is characterized in that secondary inlet port is batch (-type) air inlet, when being provided with many group admission ports, single-point batch (-type) air inlet successively.
4., according to a kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system described in claim 1, it is characterized in that the muffler of pump top, storehouse to dedusting ashes storehouse top attachment is provided with balance control valve.
5., according to a kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system described in claim 1, it is characterized in that gas control system is according to the change of checking system pressure, controls pressurization, fluidisation, one-tenth bolt suction quantity.
6., according to a kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system described in claim 1, it is characterized in that being provided with fluidizer and pressure-detecting device bottom the pump of storehouse.
7., according to a kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system described in claim 1, it is characterized in that pumped (conveying) medium is unreactable gas, and when rotatory feeder valve quits work, inside is filled with unreactable gas.
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| CN201520161749.4U CN204568839U (en) | 2015-03-23 | 2015-03-23 | A kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system |
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| CN201520161749.4U CN204568839U (en) | 2015-03-23 | 2015-03-23 | A kind of dust removal of calcium carbide furnace malleation concentrated phase embolism formula air-transport system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107814203A (en) * | 2017-11-23 | 2018-03-20 | 北京神雾电力科技有限公司 | A kind of new type high temperature semicoke air-transport system |
| CN112320360A (en) * | 2019-12-30 | 2021-02-05 | 上海博隆装备技术股份有限公司 | Positive pressure conveying method for light powder and granular material |
-
2015
- 2015-03-23 CN CN201520161749.4U patent/CN204568839U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107814203A (en) * | 2017-11-23 | 2018-03-20 | 北京神雾电力科技有限公司 | A kind of new type high temperature semicoke air-transport system |
| CN112320360A (en) * | 2019-12-30 | 2021-02-05 | 上海博隆装备技术股份有限公司 | Positive pressure conveying method for light powder and granular material |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190903 Address after: North Road 832000 the Xinjiang Uygur Autonomous Region Shihezi Development Zone No. 36 Co-patentee after: Tian Wei Chemical Co., Ltd. Patentee after: Tianneng Chemical Co., Ltd. Address before: No. 36 North Sandong Road, Shihezi Economic and Technological Development Zone, 832000 Xinjiang Uygur Autonomous Region Co-patentee before: Tian Wei Chemical Co., Ltd. Patentee before: Xinjiang Tianye (Group) Co., Ltd. Co-patentee before: Tianneng Chemical Co., Ltd. Co-patentee before: Tianchen Chemical Co., Ltd. |
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| TR01 | Transfer of patent right |