CN115301013A - Green environment-friendly dust-free suction device and method - Google Patents

Green environment-friendly dust-free suction device and method Download PDF

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Publication number
CN115301013A
CN115301013A CN202110487256.XA CN202110487256A CN115301013A CN 115301013 A CN115301013 A CN 115301013A CN 202110487256 A CN202110487256 A CN 202110487256A CN 115301013 A CN115301013 A CN 115301013A
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China
Prior art keywords
dust
suction device
ash
valve
ash discharge
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CN202110487256.XA
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Chinese (zh)
Inventor
周海军
周维杰
李福全
樊志强
魏颖
李志刚
苗旺
高辉
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Shanghai Meishan Iron and Steel Co Ltd
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Shanghai Meishan Iron and Steel Co Ltd
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Priority to CN202110487256.XA priority Critical patent/CN115301013A/en
Publication of CN115301013A publication Critical patent/CN115301013A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42Auxiliary equipment or operation thereof
    • B01D46/48Removing dust other than cleaning filters, e.g. by using collecting trays

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Refuse Collection And Transfer (AREA)

Abstract

The invention relates to a green environment-friendly dust-free suction device, which comprises 4 conical ash buckets (1), wherein two conical ash buckets are integrated, 4 gate valves (3), 4 ash discharge valves (4) and 4 ash discharge ports (5) are connected together, the gate valves (3) enable screw mechanisms to rotate through operating handles (12), and therefore opening degrees are adjusted by adjusting mechanisms; the device can rapidly recover the accumulated dust, is convenient for further processing of the next working procedure, shortens the processing time, reduces the labor intensity and most importantly greatly reduces the influence on the environment.

Description

Green environment-friendly dust-free suction device and method
Technical Field
The invention relates to a dust removal device, in particular to a green environment-friendly dust-free suction device and a method, and belongs to the technical field of dust removal systems of acid rolling units.
Background
The dedusting system of the meiicacid rolling mill set can normally operate all the time, and no environmental protection standard exceeding occurs. Due to new requirements on environmental protection, the original falling ash collection mode is changed into a dust-free collection mode. Specifically speaking, the ash that falls collects the mode and concentrates the dust of dust remover ash bucket lower part through 3 screw conveyer and prestores the ground ash box the inside in, treats that the ground ash box is filled the back and handles the ash that collects through fork truck, and the raise dust can inevitably appear in the collection process, influences all ring edge borders, and screw conveyer often can be because of the more stifled commentaries on classics that takes place of ash that collects, finally leads to the fact the environmental protection problem. The dust-free collection mode is that dust is completely concentrated at the lower part of a dust hopper of the dust remover, and the dust is recovered through a green environment-friendly dust-free suction device and a special dust collection vehicle after a certain period or a limit alarm, so that the dust-free dust collection device has no dust emission and is environment-friendly. Therefore, a new solution to solve the above technical problems is urgently needed.
Disclosure of Invention
The invention provides a green environment-friendly dust-free suction device aiming at the problems in the prior art, and the technical scheme mainly solves the technical problems that the spiral conveyor of the existing dust removal system is stuck and the field use effect is poor in the method.
In order to achieve the purpose, the technical scheme is that the environment-friendly dust-free suction device comprises 4 conical ash buckets, wherein two conical ash buckets are integrated and replace a spiral conveyor, four groups of observation windows, 4 gate valves, 4 ash discharge valves and 4 ash discharge ports in an original system, and the ash discharge ports are connected with the suction device. The gate valve enables the screw rod mechanism to rotate through the operating handle so that the opening degree is adjusted through the adjusting mechanism.
As an improvement of the invention, 4 conical (conical is convenient for dust to fall) ash buckets are arranged to replace the original spiral conveying mechanism, so that the environmental protection problem caused by the blockage of the spiral conveying mechanism is avoided.
Furthermore, 2 conical ash buckets are not arranged, so that the slope of the ash buckets is larger, the recovery efficiency is improved, and the recovery time is saved.
Furthermore, the two ash buckets are integrated, so that the environmental protection problem can not be caused even if one ash bucket fails;
as an improvement of the invention, the conical ash bucket is provided with an observation window, and the observation window needs to be sealed tightly, so that the dust in the conical cavity is prevented from being wet and agglomerated. The observation window can be opened during maintenance, and the personnel do airtight space ventilation during operation, reduce the safety risk, avoid personnel to suffocate.
When overhauing simultaneously and changing the dust removal sack, the sack of installation drops unusually, can directly take out through the observation window, need not personnel and gets into inside, reduces intensity of labour and safety risk. Whether the cloth bag falls off or not is checked, and the phenomenon that the ash discharge valve is blocked due to untimely discovery is avoided, so that the system works abnormally;
as an improvement of the invention, the gate valve and the ash discharge valve are respectively 4, the gate valve can adjust the opening degree through the screw rod adjusting mechanism, the screw rod and the operating handle, and the phenomenon that the ash discharge valve is blocked and dust recovery work cannot be carried out due to excessive ash discharge is avoided.
Furthermore, the gate valve and the corresponding opening program of the ash discharge valve are provided with interlocking, and the gate valve can be opened only after the ash discharge valve is opened. Normally, the gate valve is closed completely, so that the ash discharge valve is in an idle load state;
as an improvement of the invention, the suction devices are communicated through compressed air pipelines to form a ship-shaped communicating vessel, compressed air is used as a power source, an ash discharge valve is used as a paddle to stir and collect ash, and the ash is recycled through the suction devices.
Furthermore, the manual ball valves are arranged in the pipelines to form closed and interconnected loops which can be independent respectively, can be connected in pairs and can also be communicated completely.
Furthermore, after the compressed air is introduced, the cavity of the suction device is kept in a positive pressure state, and the dust is kept in a flying state in the cavity. The suction device is connected with the special dust collection vehicle by using a hose quick connector, and the air supply and the air suction of the dust collection vehicle are interacted, so that the suction is more beneficial to recovery after one air supply;
as an improvement of the invention, the recovery process is kept in a fully closed state, the problem of secondary dust pollution in the dust recovery process of the dust remover is solved, the field environment is protected, the dust-free operation of operators is realized, and the operation is healthy.
A suction method of a green environment-friendly dust-free suction device comprises the following steps:
step 1) firstly, the dust removal fan needs to be closed, so that the dust remover system is in a non-working state. Meanwhile, the start and stop of the dust removal fan are interlocked with the operation of the unit, so that the environmental protection is ensured, the unit can be started normally when the dust removal fan does not work, and finally the environmental protection exceeds the standard and the environment is influenced;
and step 2) an operator connects the hose quick connector with the special dust collection vehicle, the quick connector is arranged to enable the operation to be more convenient, and the whole process can be operated by one person without other tools and forklifts. The recovery process is kept in a fully-closed state, the problem of secondary dust pollution in the dust recovery process of the dust remover is solved, and the operation personnel operate dustless, so that the operation is efficient, safe and healthy;
step 3) opening a main pipe compressed air valve to enable the cavity of the suction device to keep a positive pressure state and enable dust to keep a flying state in the cavity, and the air supply and the suction of the dust absorption vehicle interact with each other, so that the recovery is more convenient and the recovery efficiency is higher;
step 4) opening the gate valves and the ash discharge valves which are in one-to-one correspondence on the pipeline of the suction device, wherein the gate valves and the ash discharge valves have sequential opening requirements, the gate valves and the ash discharge valves are provided with interlocking in the program, and the gate valves and the ash discharge valves can be opened before the ash discharge valves are opened;
step 5) starting a rapping motor, wherein the rapping motor is periodically controlled when the system works, and the rapping motor and an ash discharge valve are simultaneously started during recovery, so that the system is more efficient, and the recovery time is saved;
step 6) repeating the above steps 4) -5);
step 7) checking the material level condition of the ash bin through a material level meter, and sending a low material level signal to an ash discharge valve and a rapping motor when the material level is low, so as to automatically stop;
step 8), after recovery is finished, closing a compressed air main valve and a manual ball valve in a communicating vessel pipeline of the suction device;
step 9) closing the gate valve and the ash discharge valve, and manually opening and closing the gate valve in place to ensure that the ash discharge valve is in an idle load state, so that the ash discharge valve is prevented from being locked due to rotation blockage;
step 10), disconnecting the quick joint of the hose;
and step 11), starting the fan, and normally putting the system into use.
Compared with the prior art, the dust collector has the advantages that the technical scheme is optimized on the basis of the original dust collecting system, the recovery process is kept in a fully-closed state, and the problem of secondary dust pollution in the dust recovery process of the dust collector is solved. The operators do dustless operation, and the operation is efficient, safe and healthy. Simple and practical structure, small volume, convenient maintenance and reliable work, and avoids the problem of environmental protection exceeding the standard. The method is based on the original process, and the hose quick connector is connected with the dust tank truck, so that the whole process can be operated by one person without other tools and forklifts, and the labor intensity is reduced. When the dust recovery operation is needed, an operator can operate according to the steps. Meanwhile, the method fills the blank of the process, can obtain good economic benefit and satisfactory social benefit, and is worthy of being popularized and used in the same industry.
Drawings
FIG. 1 is a schematic flow chart of the present invention;
FIG. 2 is a schematic view of an optimized post-precipitator recovery apparatus of the present invention;
FIG. 3 is a schematic view of the compressed air line and ash discharge manifold of the present invention;
FIG. 4 is a schematic view of a gate valve of the present invention;
FIG. 5 is a schematic view of the suction device of the present invention.
In the figure, the device comprises a conical ash hopper 1, a conical ash hopper 2, an observation window 3, a gate valve 4, an ash discharge valve 5, an ash discharge port 6, a compressed air inlet 7, a compressed air pipeline 8, a ball valve 9, a suction device 10, a gate plate 11, a screw rod 12 and an operating handle.
The specific implementation mode is as follows:
for the purpose of enhancing an understanding of the present invention, the present embodiment will be described in detail below with reference to the accompanying drawings.
Example 1: as shown in the figures 2, 3 and 4, the green environment-friendly dust-free suction device comprises 4 conical ash buckets 1, two of the conical ash buckets are integrated, four groups of observation windows 2,4 gate valves 3,4 ash discharge valves 4,4 ash discharge ports 5 are arranged, and the ash discharge ports are connected with a suction device 9. Gate valve 3 makes screw rod mechanism rotatory from coming guiding mechanism through operating handle 12 and adjusts and open the opening degree, set up 4 toper (toper dust whereabouts of being convenient for) ash buckets 1 in this scheme, replace former screw feeding mechanism, avoid dying because of screw feeding mechanism card, lead to the environmental protection problem, the slope of such benefit ash bucket is bigger, thereby improve recovery efficiency, save recovery time, two ash buckets are a whole, even wherein there is an ash bucket to break down, also can not lead to the environmental protection problem, the toper ash bucket is equipped with observation window 2, the observation window needs airtight tight, avoid the moist caking of toper intracavity dust. The observation window can be opened during maintenance, and the personnel do airtight space ventilation during operation, reduce the safety risk, avoid personnel to suffocate. When overhauing simultaneously and changing the dust removal sack, the sack of installation drops unusually, can directly take out through the observation window, need not personnel and gets into inside, reduces intensity of labour and safety risk. Moreover the inspection sack has or not come off, avoids the discovery to untimely cause the unloading valve card to die, leads to the system abnormal work, and push-pull valve 3 and unloading valve 4 are respectively 4, and 3 accessible screw rod guiding mechanism of push-pull valve, hob 11, operating handle 12 adjust and open the aperture size, avoids because of the ash discharge is too big, leads to the unloading valve card to die, can not carry out dust recovery work, and push-pull valve 3 and the corresponding unloading valve 4 open and are equipped with the interlocking on the procedure, only can open push-pull valve 3 after unloading valve 4 earlier. At ordinary times, the gate valve 3 is closed completely, the ash discharge valve 3 is in an idle state, the suction devices 9 are communicated through the compressed air pipeline 7 to form a ship-shaped communicating vessel, compressed air is used as a power source, the ash discharge valve is used as a paddle to stir and collect ash, the ash is recycled through the suction devices, manual ball valves are arranged in pipelines to form closed and interconnected loops, the closed and interconnected loops can be independent respectively, can be connected in pairs or can be communicated completely, the cavity of the suction device is kept in a positive pressure state after the compressed air is introduced, and dust is kept in a flying state in the cavity. The suction device is connected with the special dust collection vehicle by using the hose quick connector, air supply and air suction interaction of the dust collection vehicle are realized, one suction is carried out, the recovery is more facilitated, the recovery process keeps a fully-closed state, the problem of secondary dust pollution in the dust recovery process of the dust remover is solved, the field environment is protected, dust-free operation is carried out by operating personnel, and the operation is healthy.
Example 2: referring to fig. 1 to 5, a suction method of a green environmental protection dust-free suction device includes the following steps:
step 1) firstly, the dust removal fan needs to be closed, so that the dust remover system is in a non-working state. Meanwhile, the start and stop of the dust removing fan are interlocked with the operation of the unit, so that the environmental protection is ensured to be reliable, and the unit can still be normally started when the dust removing fan does not work, and finally the environmental protection exceeds the standard and the environment is influenced;
and step 2) an operator connects the hose quick connector with the special dust collection vehicle, the quick connector is arranged to enable the operation to be more convenient, and the whole process can be operated by one person without other tools and forklifts. The recovery process is kept in a fully-closed state, the problem of secondary dust pollution in the dust recovery process of the dust remover is solved, and the operation personnel operate in a dust-free manner, so that the operation is efficient, safe and healthy;
step 3) opening a main pipe compressed air valve to enable the cavity of the suction device to keep a positive pressure state and enable dust to keep a flying state in the cavity, and the air supply and the suction of the dust absorption vehicle interact with each other, so that the recovery is more convenient and the recovery efficiency is higher;
step 4) opening the gate valves and the ash discharge valves which are in one-to-one correspondence on the pipeline of the suction device, wherein the gate valves and the ash discharge valves have sequential opening requirements, the gate valves and the ash discharge valves are provided with interlocking in the program, and the gate valves and the ash discharge valves can be opened before the ash discharge valves are opened;
step 5) starting a rapping motor, wherein the rapping motor is periodically controlled when the system works, and the rapping motor and an ash discharge valve are simultaneously started during recovery, so that the system is more efficient, and the recovery time is saved;
step 6) repeating the above steps 4) -5);
step 7) checking the material level condition of the ash bin through a material level meter, and sending a low material level signal to an ash discharge valve and a rapping motor when the material level is low, so as to automatically stop;
step 8), after recovery is finished, closing a compressed air main valve and a manual ball valve in a pipeline of a communicating device of the suction device;
step 9) closing the gate valve and the ash discharge valve, and manually opening and closing the gate valve in place to ensure that the ash discharge valve is in an idle load state, so that the ash discharge valve is prevented from being locked due to rotation blockage;
step 10), disconnecting the quick connector of the hose;
and step 11), starting the fan, and normally putting the system into use.
It should be noted that the above-mentioned embodiments are not intended to limit the scope of the present invention, and all equivalent modifications or substitutions based on the above-mentioned technical solutions are included in the scope of the present invention.

Claims (6)

1. The utility model provides a dustless suction device of green, characterized in that, suction device includes 4 toper ash buckets (1), and wherein two are a whole, 4 push-pull valves (3), 4 unloading valves (4) and 4 unloading mouths (5), and the unloading mouth links together with suction device (9), and push-pull valve (3) make screw rod mechanism rotatory from adjustment mechanism regulation opening degree through operating handle (12).
2. An environment-friendly dust-free suction device as claimed in claim 1, wherein the conical ash bucket is provided with four groups of observation windows (2), and the suction device is provided with four groups of observation windows (2).
3. The environment-friendly dust-free suction device as claimed in claim 1, wherein the suction devices are communicated through a compressed air pipeline to form a ship-shaped communicating vessel, compressed air is used as a power source, an ash discharge valve is used as a paddle to stir collected ash, and the collected ash is recycled through the suction device.
4. The environment-friendly dust-free suction device as claimed in claim 1, wherein the gate valve (3) and the dust discharge valve (4) are respectively 4, and the gate valve (3) is opened by adjusting the opening degree through a screw rod adjusting mechanism, a screw rod (11) and an operating handle (12).
5. An environment-friendly dust-free suction device as claimed in claim 1, wherein two of the 4 cone-shaped dust hoppers (1) are integrated.
6. The suction method of the green environmental protection dust-free suction device according to any one of claims 1 to 5, characterized in that it comprises the following steps:
step 1) firstly, the dust removal fan needs to be closed, so that the dust remover system is in a non-working state. Meanwhile, the start and stop of the dust removing fan are interlocked with the operation of the unit, so that the environmental protection is ensured to be reliable, and the unit can still be normally started when the dust removing fan does not work, and finally the environmental protection exceeds the standard and the environment is influenced;
and step 2) an operator connects the hose quick connector with the special dust collection vehicle, the quick connector is arranged to enable the operation to be more convenient, and the whole process can be operated by one person without other tools and forklifts. The recovery process is kept in a fully-closed state, the problem of secondary dust pollution in the dust recovery process of the dust remover is solved, and the operation personnel operate in a dust-free manner, so that the operation is efficient, safe and healthy;
step 3) opening a main pipe compressed air valve to enable the cavity of the suction device to keep a positive pressure state and enable dust to keep a flying state in the cavity, and the air supply and the suction of the dust absorption vehicle interact with each other, so that the recovery is more convenient and the recovery efficiency is higher;
step 4) opening the gate valves and the ash discharge valves which are in one-to-one correspondence on the suction device pipeline, wherein the gate valves and the ash discharge valves have sequential opening requirements, interlocking is arranged on the gate valves and the ash discharge valves in a program, and the gate valves and the ash discharge valves can be opened before the corresponding gate valves are opened;
step 5) starting a rapping motor, wherein the rapping motor is controlled periodically when the system works, and the rapping motor and the ash discharge valve are simultaneously started during recovery, so that the system is more efficient, and the recovery time is saved;
step 6) repeating the above steps 4) -5);
step 7) checking the material level condition of the ash bin through a material level meter, and sending a low material level signal to an ash discharge valve and a rapping motor when the material level is low so as to automatically stop;
step 8), after recovery is finished, closing a compressed air main valve and a manual ball valve in a communicating vessel pipeline of the suction device;
step 9) closing the gate valve and the ash discharge valve, and manually opening and closing the gate valve in place to ensure that the ash discharge valve is in an idle load state, so that the ash discharge valve is prevented from being locked due to rotation blockage;
step 10), disconnecting the quick joint of the hose;
and 11) starting the fan, and enabling the system to be normally used.
CN202110487256.XA 2021-05-05 2021-05-05 Green environment-friendly dust-free suction device and method Pending CN115301013A (en)

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Application Number Priority Date Filing Date Title
CN202110487256.XA CN115301013A (en) 2021-05-05 2021-05-05 Green environment-friendly dust-free suction device and method

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Publication Number Publication Date
CN115301013A true CN115301013A (en) 2022-11-08

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201424610Y (en) * 2009-05-26 2010-03-17 辽阳嘉丰纸业有限公司 Slurry conditioning and mixing box
CN103657345A (en) * 2012-09-12 2014-03-26 张家港市宏兴环保设备有限公司 Tail gas desulfurizer for glass production
CN104909168A (en) * 2015-04-28 2015-09-16 北京首钢国际工程技术有限公司 Dust conveying assorted device for sucking and discharging car and using method thereof
CN206958374U (en) * 2017-07-18 2018-02-02 河南省德耀节能科技股份有限公司 A kind of manual and electric double-purpose push-pull valve
CN208356505U (en) * 2018-03-06 2019-01-11 洛阳瑞昌环境工程有限公司 A kind of semi-dry desulphurization dust pelletizing system for catalytic cracking unit flue gas
CN209242206U (en) * 2018-10-07 2019-08-13 新疆八一钢铁股份有限公司 A kind of dedusting ash puts ash system automatically
CN110239960A (en) * 2019-05-23 2019-09-17 成都瑞柯林工程技术有限公司 Unloading valve group unloads grey method and powder fluidization system
CN210557992U (en) * 2019-09-09 2020-05-19 昆山宇顺环保科技有限公司 Quick environment-friendly ash discharging device of tank car

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201424610Y (en) * 2009-05-26 2010-03-17 辽阳嘉丰纸业有限公司 Slurry conditioning and mixing box
CN103657345A (en) * 2012-09-12 2014-03-26 张家港市宏兴环保设备有限公司 Tail gas desulfurizer for glass production
CN104909168A (en) * 2015-04-28 2015-09-16 北京首钢国际工程技术有限公司 Dust conveying assorted device for sucking and discharging car and using method thereof
CN206958374U (en) * 2017-07-18 2018-02-02 河南省德耀节能科技股份有限公司 A kind of manual and electric double-purpose push-pull valve
CN208356505U (en) * 2018-03-06 2019-01-11 洛阳瑞昌环境工程有限公司 A kind of semi-dry desulphurization dust pelletizing system for catalytic cracking unit flue gas
CN209242206U (en) * 2018-10-07 2019-08-13 新疆八一钢铁股份有限公司 A kind of dedusting ash puts ash system automatically
CN110239960A (en) * 2019-05-23 2019-09-17 成都瑞柯林工程技术有限公司 Unloading valve group unloads grey method and powder fluidization system
CN210557992U (en) * 2019-09-09 2020-05-19 昆山宇顺环保科技有限公司 Quick environment-friendly ash discharging device of tank car

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