CN205170898U - Thick grey air conveying system of converter dry process dust removal - Google Patents
Thick grey air conveying system of converter dry process dust removal Download PDFInfo
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- CN205170898U CN205170898U CN201520461177.1U CN201520461177U CN205170898U CN 205170898 U CN205170898 U CN 205170898U CN 201520461177 U CN201520461177 U CN 201520461177U CN 205170898 U CN205170898 U CN 205170898U
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Abstract
The utility model relates to a thick grey air conveying system of converter dry process dust removal, including prevent scale deposit evaporative cooler, automatic ash removal device, built -in two chain convey machines, first unload that the grey person in charge, coarse ash bin, second unload that ash persons in charge, storehouse pump, pneumatic conveyer pipe, the coarse ash bin that gathers, third unload that the ash is responsible for and the second telescopic dustless to unload the ash quick -witted, the storehouse pump passes through pneumatic conveyer pipe with the coarse ash bin that gathers and links to each other. The utility model discloses storehouse pump and first dustless unload grey machine can each other for reserve, improved conveying system's stability, guaranteed the transmitting capacity of thick ash. Coarse ash bin cancellation dust unloads the ash and adopts air conveying and dustless mode of unloading the ash after adding the wet mixer, and it is excessive not have the dust when unloading the ash, more the environmental protection. The utility model discloses not only having solved the dry process limited problem of evaporation cooling tower height degree when reforming transform of removing dust, also having solved the problem that thick ash storage ash and fortune ash received the place restriction, especially suitable primary smoke of converter wet dedusting changes dry process dust removal project, and application prospect is wide.
Description
Technical field
The utility model relates to field of environment protection equipment, more particularly, relates to a kind of converter dry dedusting cinder air-transport system.
Background technology
Along with the continuous reinforcement of environmental consciousness, converter that is newly-built and reconstruction mostly adopts dry-dedusting system.The cinder that below wet cooling tower, banana-bends is collected delivers to the cinder storehouse in converter power house under gravity by built-in double-chain type conveyor, pneumatic gate valve and pneumatic double-layer flap valve, transported outward after humidification by automobile.
The main Problems existing of existing converter dry dedusting cinder delivery system: one is that cinder storehouse is located in converter power house, often be subject to the restriction of process for making arrangement condition, especially converter flue gas wet method changes dry method dust transformation project, cannot solve the fortune ash passage of automobile turnover; Two is the restrictions by high-rise frame of wet cooling tower height, and the project banana-bends of transformation is often interfered with the stove backstop slag car, affects liquid steel sampling; Three is produce a large amount of steam after the cinder humidification of high temperature, affects Working environment in power house.
Summary of the invention
The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, provides a kind of converter dry dedusting cinder air-transport system.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of converter dry dedusting cinder air-transport system, comprises good antiscale property evaporative cooler, automatic ash removing device, built-in double-chain type conveyor, first unloads ash supervisor, ash supervisor, storehouse pump, pneumatic carrier are unloaded in cinder storehouse, second, gathers cinder storehouse, the 3rd and unload grey supervisor and the second telescopic dustless dust unloadnig apparatus;
Described good antiscale property evaporative cooler surrounding is provided with automatic ash removing device, and described built-in double-chain type conveyor is in tilted layout and is arranged on below described good antiscale property evaporative cooler;
Described cinder storehouse is arranged on the below of described built-in double-chain type conveyor, the cinder-discharging port of described built-in double-chain type conveyor unloads ash supervisor with described cinder storehouse entrance by described first and is connected, and described first unloads ash supervisor is provided with pneumatic gate valve and the first pneumatic double-layer flap valve;
First class device is provided with in cone bucket under described cinder storehouse;
Described storehouse pump unloads ash supervisor by second and is connected with described cinder storehouse, and described second unloads ash supervisor is provided with the first hand operated gate valve and the second pneumatic double-layer flap valve;
Described first telescopic dustless dust unloadnig apparatus is connected with described cinder storehouse by the second accident ash-unloading tube, and described second accident ash-unloading tube is provided with the first accident hand operated gate valve and the first star-shaped ash unloading valve;
Described first nitrogen tube is connected with described storehouse pump fluidized disk and pneumatic carrier;
Pump top, described storehouse is provided with the first vacuum pressure relief valve, and described storehouse pump intake is provided with pneumatic ball valve, and described storehouse pump discharge is provided with the 3rd pneumatic double-layer flap valve;
Described storehouse pump is connected by pneumatic carrier with described cinder storehouse of gathering;
Described top, cinder storehouse of gathering is provided with simple and easy sack cleaner and the second vacuum pressure relief valve, described in gather under cinder storehouse and be provided with second gasifying device in cone bucket;
Described second nitrogen tube outlet is divided into two-way, and a road is connected with second gasifying device, and another road is connected with simple and easy sack cleaner;
Dirt separator, relief valve and magnetic valve is provided with between described second nitrogen tube and described second gasifying device;
Described cinder storehouse of gathering is unloaded ash supervisor by the 3rd and is connected with described second telescopic dustless dust unloadnig apparatus, and the described 3rd unloads grey supervisor is provided with the second hand operated gate valve and the second star-shaped ash unloading valve.
In a kind of converter dry dedusting cinder air-transport system described in the utility model, described built-in double-chain type conveyor is provided with the first accident ash-unloading tube, and described first accident ash-unloading tube is provided with accident pneumatic gate valve and the first flexible nonmetallic tubing.
In a kind of converter dry dedusting cinder air-transport system described in the utility model, described in gather cone bucket under cinder storehouse and be provided with the 3rd accident ash-unloading tube, described 3rd accident ash-unloading tube is provided with the second accident hand operated gate valve and the second flexible nonmetallic tubing.
In a kind of converter dry dedusting cinder air-transport system described in the utility model, bottom the pump of described storehouse, be provided with blow-off pipe.
Implement a kind of converter dry dedusting cinder air-transport system of the present utility model, there is following beneficial effect:
1, the utility model eliminates dust humidifying agitator, and cinder storehouse is unloaded ash and adopted and air conveyingly and dustless unload grey mode, non-flour dust overflow, more environmental protection when unloading ash.
2, storehouse pump and the first telescopic dustless dust unloadnig apparatus can be for subsequent use each other, improve the stability of delivery system, ensure that the transport capacity of cinder.
3, gather cinder storehouse both can be placed in converter power house, can be put into outside converter power house yet, storage ash and fortune ash are not subject to the restriction of place and distance.
4, the utility model solves the problem that when dry method dust is transformed, wet cooling tower height limits by place, is especially applicable to converter flue gas wet method and changes dry method dust project, have a extensive future.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the schematic diagram of a kind of converter dry dedusting of the utility model cinder air-transport system.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figure 1, a kind of converter dry dedusting cinder air-transport system of the present utility model comprises good antiscale property evaporative cooler 1, automatic ash removing device 2, built-in double-chain type conveyor 3, first unload ash supervisor 4, ash supervisor 12 is unloaded in cinder storehouse 10, second, storehouse pump 19, pneumatic carrier 25, gather cinder storehouse 26, the 3rd and unload ash supervisor 34 and the second telescopic dustless dust unloadnig apparatus 37;
The surrounding of good antiscale property evaporative cooler 1 is provided with automatic ash removing device 2, and built-in double-chain type conveyor 3 is in tilted layout and is arranged on below good antiscale property evaporative cooler 1.Cinder storehouse 10 is arranged on the below of built-in double-chain type conveyor 3, and the cinder-discharging port of built-in double-chain type conveyor 3 unloads ash supervisor 4 with cinder storehouse 10 entrance by first and is connected, and first unloads ash supervisor 4 is provided with pneumatic gate valve 5 and the first pneumatic double-layer flap valve 6.
Be provided with first class device 11 in the cone bucket of cinder storehouse 10 times, first class device 11 periodically sprays low-pressure nitrogen, not only can reduce the temperature of cinder in cinder storehouse 10, also can fluidisation cinder, is convenient to unload ash.
Storehouse pump 19 unloads ash supervisor 12 by second and is connected with cinder storehouse 10, and second unloads ash supervisor 12 is provided with the first hand operated gate valve 13 and the second pneumatic double-layer flap valve 14.When first hand operated gate valve 13 and the second pneumatic double-layer flap valve 14 are opened, the cinder in cinder storehouse 10 unloads ash supervisor 12 by second and enters in storehouse pump 19.
First telescopic dustless dust unloadnig apparatus 18 is connected with cinder storehouse 10 by the second accident ash-unloading tube 15, and the second accident ash-unloading tube 15 is provided with the first accident hand operated gate valve 16 and the first star-shaped ash unloading valve 17.
First nitrogen tube 21 is connected with storehouse pump 19 fluidized disk and pneumatic carrier 25.
Storehouse pump 19 entrance is provided with pneumatic ball valve 22, and storehouse pump 19 outlet is provided with the 3rd pneumatic double-layer flap valve 23.Storehouse pump 19 with gather cinder storehouse 26 and be connected by pneumatic carrier 25.
Gather top, cinder storehouse 26 and be provided with simple and easy sack cleaner 27 and the second vacuum pressure relief valve 28.Simple and easy sack cleaner 27 is for collecting the dust gathering top, cinder storehouse 26 and discharge.Second vacuum pressure relief valve 28 is excessive for preventing from gathering cinder storehouse 26 internal pressure.Gather in the cone bucket of cinder storehouse 26 times and be provided with second gasifying device 33, second gasifying device 33 periodically sprays low-pressure nitrogen, not only can reduce the temperature gathering cinder in cinder storehouse 26, also can fluidisation cinder, is convenient to unload ash.
Second nitrogen tube 29 outlet is divided into two-way, and a road is connected with second gasifying device 33, and another road is connected with simple and easy sack cleaner 27.
Dirt separator 30, relief valve 31 and magnetic valve 32 is provided with between second nitrogen tube 29 and second gasifying device 33.
Gather cinder storehouse 26 to unload ash supervisor by the 3rd and 34 to be connected with telescopic dustless dust unloadnig apparatus 37, the 3rd unloads ash is responsible for 34 and is provided with the second hand operated gate valve 35 and the second star-shaped ash unloading valve 36.
In the utility model, a kind of technical process of converter dry dedusting cinder air-transport system conveying cinder is as follows:
Good antiscale property evaporative cooler 1 → automatic ash removing device 2 → built-in double-chain type conveyor 3 → the first unloads ash supervisor 4 → pneumatic gate valve 5 → the first pneumatic double-layer flap valve 6 → cinder storehouse 10 → the second and unloads the pneumatic double-layer flap valve 23 → pneumatic carrier of ash supervisor 12 → storehouse pump the 19 → three 25 → gather cinder storehouse the 26 → three to unload the telescopic dustless dust unloadnig apparatus 37 of ash supervisor's 34 → the second hand operated gate valve 35 → the second star-shaped dust-discharging valve 36 → the second.
When dust-laden raw gas is by good antiscale property evaporative cooler 1 time cone bucket, owing to flowing to the change that there occurs 90 °, under the effect of gravity and centrifugal force, the crude particle dust of 28% ~ 32% (being generally 30%) is captured at lower cone bucket place; Crude particle dust temperature is 200 ~ 300 DEG C (being generally 250 DEG C); Crude particle dust tap density 1.8 ~ 2.6t/m
3; Crude particle dust water ratio 1% ~ 3%.
Built-in double-chain type conveyor 3 and converter process chain, smelting the operation of period.Cinder unloads ash supervisor 4, pneumatic gate valve 5 and the first pneumatic double-layer flap valve 6 through built-in double-chain type conveyor 3, first and enters cinder storehouse 10.
Cinder unloads ash supervisor's the 12, first hand operated gate valve 13 through second and the second pneumatic double-layer flap valve 14 enters storehouse pump 19, after storehouse pump 19 material is full, is delivered to gather cinder storehouse 26 after fluidized disk fluidisation by pneumatic carrier 25.Storehouse pump 19 top can arrange level gage, detects the cinder amount in storehouse pump 19 by level gage.When storehouse pump 19 overhauls, cinder unloads to bulk cement truck through the second accident ash-unloading tube 15, first accident hand operated gate valve 16, first star-shaped ash unloading valve 17 and the first dustless dust unloadnig apparatus 18.Storehouse pump 19 and the first dustless dust unloadnig apparatus 18 can be for subsequent use each other, and during one of them maintenance, whole system still can work normally, improves the stability of delivery system, ensure that the transport capacity of cinder.
When opening magnetic valve 32, second gasifying device 33 sprays low-pressure nitrogen, not only can reduce the temperature gathering cinder in cinder storehouse 26, also can fluidisation cinder, is convenient to unload ash.The cinder that simple and easy sack cleaner 27 is collected drops down onto by nitrogen blowback and gathers in cinder storehouse 26, ensures that simple and easy sack cleaner 27 outlet drain is up to standard.The flow of low-pressure nitrogen can be regulated by relief valve 31.
The cinder gathering cinder storehouse 26 unloads to bulk cement truck by telescopic dustless dust unloadnig apparatus 37, solves the airborne dust problem because drop causes, non-flour dust overflow, more environmental protection when unloading ash.
Further, built-in double-chain type conveyor 3 is provided with the first accident ash-unloading tube 7, first accident ash-unloading tube 7 and is provided with accident pneumatic gate valve 8 and the first flexible nonmetallic tubing 9.During maintenance, cinder is discharged from the first accident ash-unloading tube 7.
Further, gather cinder storehouse 26 times cone bucket to be provided with the 3rd accident ash-unloading tube the 38, three accident ash-unloading tube 38 and to be provided with the second accident hand operated gate valve 39 and the second flexible nonmetallic tubing 40.During maintenance, cinder is discharged from the 3rd accident ash-unloading tube 38.
Further, storehouse pump 19 top is provided with the first vacuum pressure relief valve 20, for preventing storehouse pump 19 internal pressure excessive; Blow-off pipe 24 is set bottom storehouse pump 19, for discharging the foreign material in the pump of storehouse.
Further, storehouse pump 19 material is 16MnR or Q235B or spheroidal graphite cast iron or stainless steel.Storehouse pump 19 capacity: 1.0 ~ 10m
3; Storehouse pump 19 quantity>=1, can multiplely combinationally use.Pneumatic carrier 25 adopts containing manganese weldless steel tube, and elbow, threeway wear-resistant ceramic of lining material, pipe bending radius >=10 times pipe diameter, pipeline has choke preventing function.
Further, built-in double-chain type conveyor 3 level inclination 1 ~ 5 °, is preferably 2 ° in the present embodiment, and the efficiency of conveying cinder is high.
Converter in the utility model converter dry dedusting cinder air-transport system is defined as: decarburization converter or dephosphorization converter or lava homogenizing furnace or stainless steel or converter extracting vanadium.Air-transport system of the present utility model is applicable to the conveying of 80t ~ 300t converter dry fume dedusting cinder.Its fed distance is about 300m, and climb altitude is about 30m.Its delivery medium adopts low-pressure nitrogen, nitrogen pressure >=0.6MPa.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, also can make a lot of form, these all belong within protection of the present utility model.
Claims (4)
1. a converter dry dedusting cinder air-transport system, it is characterized in that, comprise good antiscale property evaporative cooler, automatic ash removing device, built-in double-chain type conveyor, first unload ash supervisor, ash supervisor, storehouse pump, pneumatic carrier are unloaded in cinder storehouse, second, gather cinder storehouse, the 3rd and unload grey supervisor, the first telescopic dustless dust unloadnig apparatus, the first nitrogen tube, the second nitrogen tube and the second telescopic dustless dust unloadnig apparatus;
Described good antiscale property evaporative cooler surrounding is provided with automatic ash removing device, and described built-in double-chain type conveyor is in tilted layout and is arranged on below described good antiscale property evaporative cooler;
Described cinder storehouse is arranged on the below of described built-in double-chain type conveyor, the cinder-discharging port of described built-in double-chain type conveyor unloads ash supervisor with described cinder storehouse entrance by described first and is connected, and described first unloads ash supervisor is provided with pneumatic gate valve and the first pneumatic double-layer flap valve;
First class device is provided with in cone bucket under described cinder storehouse;
Described storehouse pump unloads ash supervisor by second and is connected with described cinder storehouse, and described second unloads ash supervisor is provided with the first hand operated gate valve and the second pneumatic double-layer flap valve;
Described first telescopic dustless dust unloadnig apparatus is connected with described cinder storehouse by the second accident ash-unloading tube, and described second accident ash-unloading tube is provided with the first accident hand operated gate valve and the first star-shaped ash unloading valve;
Described first nitrogen tube is connected with described storehouse pump fluidized disk and pneumatic carrier;
Pump top, described storehouse is provided with the first vacuum pressure relief valve, and described storehouse pump intake is provided with pneumatic ball valve, and described storehouse pump discharge is provided with the 3rd pneumatic double-layer flap valve;
Described storehouse pump is connected by pneumatic carrier with described cinder storehouse of gathering;
Described top, cinder storehouse of gathering is provided with simple and easy sack cleaner and the second vacuum pressure relief valve, described in gather under cinder storehouse and be provided with second gasifying device in cone bucket;
Described second nitrogen tube outlet is divided into two-way, and a road is connected with second gasifying device, and another road is connected with simple and easy sack cleaner;
Dirt separator, relief valve and magnetic valve is provided with between described second nitrogen tube and described second gasifying device;
Described cinder storehouse of gathering is unloaded ash supervisor by the 3rd and is connected with described second telescopic dustless dust unloadnig apparatus, and the described 3rd unloads grey supervisor is provided with the second hand operated gate valve and the second star-shaped ash unloading valve.
2. a kind of converter dry dedusting cinder air-transport system according to claim 1, it is characterized in that, described built-in double-chain type conveyor is provided with the first accident ash-unloading tube, and described first accident ash-unloading tube is provided with accident pneumatic gate valve and the first flexible nonmetallic tubing.
3. a kind of converter dry dedusting cinder air-transport system according to claim 1, it is characterized in that, describedly gather cone bucket under cinder storehouse and be provided with the 3rd accident ash-unloading tube, described 3rd accident ash-unloading tube is provided with the second accident hand operated gate valve and the second flexible nonmetallic tubing.
4. a kind of converter dry dedusting cinder air-transport system according to claim 1, is characterized in that, be provided with blow-off pipe bottom the pump of described storehouse.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520461177.1U CN205170898U (en) | 2015-06-30 | 2015-06-30 | Thick grey air conveying system of converter dry process dust removal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520461177.1U CN205170898U (en) | 2015-06-30 | 2015-06-30 | Thick grey air conveying system of converter dry process dust removal |
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| CN205170898U true CN205170898U (en) | 2016-04-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019105111A1 (en) * | 2017-11-28 | 2019-06-06 | 中冶南方工程技术有限公司 | Dry method dust-free dust discharging system |
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- 2015-06-30 CN CN201520461177.1U patent/CN205170898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019105111A1 (en) * | 2017-11-28 | 2019-06-06 | 中冶南方工程技术有限公司 | Dry method dust-free dust discharging system |
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