CN214182226U - Industrial furnace cloth bag dust remover capable of detecting and replacing damaged cloth bag on line - Google Patents

Industrial furnace cloth bag dust remover capable of detecting and replacing damaged cloth bag on line Download PDF

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Publication number
CN214182226U
CN214182226U CN202023156212.9U CN202023156212U CN214182226U CN 214182226 U CN214182226 U CN 214182226U CN 202023156212 U CN202023156212 U CN 202023156212U CN 214182226 U CN214182226 U CN 214182226U
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cloth bag
main air
dust
chamber
dust removal
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CN202023156212.9U
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Inventor
余传林
宋爱军
李博川
王祺
赵洪宇
关小川
张翔武
余瀚坤
程坤乾
余世玉
乔忠喜
谷长智
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Dalian Hanghua Energy Equipment Co ltd
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Dalian Hanghua Energy Equipment Co ltd
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Abstract

The utility model provides an industrial furnace cloth bag dust remover capable of detecting and replacing a damaged cloth bag on line, which comprises a dust removing unit, a main air outlet pipeline, a main air inlet pipeline, a screw conveyer and a bracket for supporting and fixing the dust removing unit; the dust removal unit comprises a purification chamber, a dust removal chamber and an ash bucket which are sequentially arranged from top to bottom, the purification chamber is communicated with a main air outlet pipeline through an outlet butterfly valve, the dust removal chamber is communicated with a main air inlet pipeline through an inlet butterfly valve, a pattern plate and a high-temperature-resistant PTFE cloth bag are arranged between the purification chamber and the dust removal chamber, and the dust removal chamber and the purification chamber of the dust removal unit are respectively provided with a pressure measuring interface of a differential pressure transmitter; a sealing cover plate is arranged above the purifying chamber; a blowing pipe is arranged in the purifying chamber; a star-shaped discharge valve is mounted at the bottom end of the ash hopper, and a screw conveyor is arranged below the star-shaped discharge valve; the utility model discloses the sack cleaner can realize on-line troubleshooting trouble and change damaged sack when not influencing the normal operating of equipment.

Description

Industrial furnace cloth bag dust remover capable of detecting and replacing damaged cloth bag on line
Technical Field
The utility model relates to an exhaust gas and flue gas filtration purification handles the environmental protection technology, especially relates to an industrial furnace kiln sack cleaner of ability on-line measuring and change damaged sack.
Background
The bag-type dust collector is widely applied to a plurality of industrial departments such as steel, nonferrous metallurgy, chemical industry, machinery, building materials, electric power, light industry, textile, grain, transportation and the like. The working principle is as follows: the filter bag is made of woven filter cloth or non-woven felt, the filtering effect of the fiber fabric is utilized to filter the dust-containing gas, when the dust-containing gas enters the bag-type dust remover, the dust with large particles and large specific gravity falls into the dust hopper due to the sedimentation of the gravity, and when the gas containing fine dust passes through the filter material, the dust is blocked, so that the gas is purified. Traditional sack cleaner sets up the baffle in the dust remover casing, the baffle falls into air inlet chamber and goes out the air cavity with the dust remover casing, the air that has the dust gets into and gets into the dust removal sack behind the air inlet chamber, after the dust removal sack filters, clean air is discharged from going out the air cavity, the sack cleaner of this kind of structure is because the equal fixed connection in both ends of dust removal sack, and the dust of gathering is difficult for dropping on the inner wall of dust removal sack, consequently cause blocking phenomenon easily, need often clear up, lead to the dust collection efficiency low.
In the field of industrial dust removal, flue gas is directly discharged, dust in the flue gas can cause harm to the environment, and an industrial dust remover is usually adopted, wherein a bag-type dust remover is a typical machine type in the industrial dust remover; the basic principle is that a certain number of cloth bags are arranged in one air filtering chamber, dust-containing gas enters the air filtering chamber from an air inlet, only can penetrate into the cloth bags and then flows out of the air filtering chamber from the opening ends of the cloth bags, and air is exhausted from an air outlet. For chemical sulfur-containing flue gas dust, a bag-type dust remover can be selected for flue gas treatment, the filtering efficiency and the filtering effect are difficult to ensure by a single filtering mode, the dust removal quality is low, the use requirement is difficult to meet, and the environmental protection performance is poor. For structural reasons, the following disadvantages also exist: the air leakage rate is high, the oxygen content is high, the service life of the cloth bag is short, the linkage of each moving part is not coordinated, the dew point corrosion of the ash bucket occurs, the pressure of the cloth bag dust collector is high due to the breakage of the cloth bag, the breakage position of the cloth bag cannot be judged, the breakage replacement of the cloth bag needs shutdown maintenance, and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a to present sack cleaner because of structural defect leads to the unable accurate damaged position of judgement sack of large-scale sack cleaner, or change the problem that needs shut down and overhaul after finding damaged sack, provide one kind can the on-line measuring with change the industrial furnace kiln sack cleaner of damaged sack, this sack cleaner can realize on-line investigation and change damaged sack on line when not influencing the normal operating of equipment.
In order to achieve the above object, the utility model adopts the following technical scheme: a cloth bag dust remover of an industrial furnace kiln, which can detect and replace a damaged cloth bag on line, comprises a plurality of dust removing units, a main air outlet pipeline, a main air inlet pipeline, a spiral conveyor and a bracket for supporting and fixing the dust removing units;
the dust removal unit comprises a purification chamber, a dust removal chamber and an ash bucket which are sequentially arranged from top to bottom, the purification chamber is communicated with a main air outlet pipeline through an outlet butterfly valve, the dust removal chamber is communicated with a main air inlet pipeline through an inlet butterfly valve, a pattern plate and a high-temperature-resistant PTFE cloth bag are arranged between the purification chamber and the dust removal chamber, and the dust removal chamber and the purification chamber are respectively provided with a pressure measuring interface of a differential pressure transmitter; a blowing pipe is arranged in the purifying chamber; a sealing cover plate is designed above the purifying chamber; the bottom of ash bucket installs the star type discharge valve, the below of star type discharge valve is equipped with screw conveyer.
Furthermore, the number of the dust removal units is more than or equal to 2, and the specific number is determined according to the working condition flue gas treatment capacity; a plurality of dust removal units divide into two sets ofly, and two sets of dust removal units set up side by side along the flue gas flow direction, and a screw conveyer is shared to every dust removal unit of group.
Furthermore, the main air inlet pipeline and the main air outlet pipeline are positioned between the two groups of dust removal units.
Furthermore, the main air inlet pipeline is positioned below the main air outlet pipeline.
Furthermore, the high-temperature resistant PTFE cloth bag opening is firmly fixed on the pattern plate through a high-strength elastic piston ring.
Further, install main intake stack temperature transmitter on the main intake stack, install main air-out pipeline temperature transmitter on the main air-out pipeline.
Further, an ash bucket heating device is arranged on the ash bucket to prevent dew point corrosion of the ash bucket. The ash bucket heating device comprises but is not limited to a heating belt wrapped outside the ash bucket.
Furthermore, the pressure measuring interfaces are respectively arranged on the outer boxes on the same side of the dust removal chamber and the purification chamber.
Furthermore, the industrial furnace bag-type dust collector capable of detecting and replacing the damaged bag on line further comprises a control unit, wherein the control unit controls the start and stop of the inlet butterfly valve, the outlet butterfly valve and the ash bucket heating device correspondingly through signals transmitted by the differential pressure transmitter, the main air inlet pipeline temperature transmitter, the main air outlet pipeline temperature transmitter and the ash bucket temperature transmitter.
Further, star type discharge valve include casing, servo motor and pivot, servo motor fixes in the casing outside, is connected with the pivot of installing in the casing inside, install windmill type's runner in the pivot, the front end of runner is fixed with soft scraper blade.
The utility model discloses on-line measuring and the theory of operation of changing the industrial furnace kiln sack cleaner of damaged sack: when the differential pressure transmitter gives an alarm at a low limit value, the inlet butterfly valve and the outlet butterfly valve of the corresponding dust removal unit are closed, and the sealing cover plate at the upper part of the purifying chamber is opened, so that the maintenance and the replacement of the dust removal unit can be conveniently carried out without influencing the normal work of the bag-type dust remover.
When the differential pressure transmitter gives an alarm at a high limit value, an electromagnetic pulse valve connected with a blowing pipe is opened to blow the cloth bag, compressed gas sequentially passes through all the pulse valves of the dust removal unit in a very short time and enters the opening of the cloth bag through a nozzle on the blowing pipe to form air waves, so that the cloth bag is rapidly expanded and shocked from the opening to the bottom, and dust on the cloth bag is shaken off.
The inlet butterfly valve enables the flue gas to relatively uniformly enter each dust removing chamber of the dust removing unit by adjusting the opening degree of the inlet butterfly valve, so that the problem that the dust removing effect is influenced due to the fact that the amount of the flue gas is too large due to small resistance of the dust removing unit close to the inlet end of the flue gas and the increase of the filtering wind speed is solved.
The utility model discloses the industrial furnace kiln sack cleaner structure science, reasonable of on-line measuring and change damaged sack, compare with prior art and have following advantage:
1) the working temperature of the bag-type dust remover is above 180 ℃, and the bag-type dust remover can treat high-temperature sulfur-containing smoke dust generated by waste incineration;
2) the utility model discloses sack cleaner dust removal unit's clean room and clean room are provided with differential pressure transmitter's pressure measurement interface, can confirm the sack of which room goes wrong through the change of clean room and clean room differential pressure value, if: when the pressure difference value of a certain chamber exceeds the set value of the high point, the cloth bag blockage phenomenon of the chamber can be judged to be serious; when the pressure difference value of a certain chamber is lower than the low-point set value, the damage and the leakage of the cloth bag of the chamber can be judged, and the working state of the cloth bag dust remover can be monitored on line by the method.
3) The utility model discloses the clean room of every dust removal unit of sack cleaner is through export butterfly valve and main air-out pipeline intercommunication, and the clean room of every dust removal unit passes through import butterfly valve and main air-supply line intercommunication, and every dust removal unit can form a completely independent room through closing corresponding advancing, export butterfly valve to realize the online change of sack.
Drawings
FIG. 1 is a front view of a bag-type dust collector of an industrial furnace kiln, which can detect and replace a damaged bag on line;
FIG. 2 is a left side view of the industrial furnace cloth bag dust remover capable of detecting and replacing the damaged cloth bag on line;
fig. 3 is the top view of the industrial furnace cloth bag dust remover capable of detecting and replacing the damaged cloth bag on line.
Wherein
1, a high-temperature resistant PTFE cloth bag; 2, a pattern plate; 3, a dust removal chamber; 4, a purifying chamber; 5, a differential pressure transmitter; 6, a butterfly valve at the outlet of the purification chamber; 7, a main air outlet pipeline; 8 air outlet pipeline temperature transmitter; 9, an inlet butterfly valve of the dust removal chamber; 10 main air inlet pipeline; 11 air inlet pipe temperature transmitter; 12, an ash hopper; 13 ash bucket heating device; 14 star-shaped discharge valves; 15 a screw conveyor; 16 sealing the cover plate; 17 blowing pipe.
Detailed Description
The invention is further illustrated below with reference to the following examples:
example 1
The embodiment discloses an industrial furnace bag-type dust remover capable of detecting and replacing a damaged bag on line, wherein the working temperature of the bag-type dust remover is above 180 ℃, and the bag-type dust remover can be used for treating flue gas dust containing sulfur and the like. The structure of the dust removal device is shown in figures 1-3, and the dust removal device comprises a plurality of dust removal units, a main air outlet pipeline 7, a main air inlet pipeline 10, a spiral conveyor 15 and a bracket for supporting and fixing the dust removal units;
but this embodiment on-line measuring is 12 with the dust removal unit of the industrial furnace kiln sack cleaner of changing the damaged sack, and 12 dust removal units divide into two sets ofly, and 6 dust removal units of every group, two sets of dust removal units set up side by side along the flue gas flow direction. The dust removal unit includes clean room 4, clean room 3 and the ash bucket 12 that top-down set gradually, clean room 4 is through export butterfly valve 6 and main air-out pipeline 7 intercommunication, clean room 3 is through import butterfly valve 9 and main intake stack 10 intercommunication, main intake stack 10 and main air-out pipeline 7 are located between two sets of dust removal units, and main intake stack 10 is located the below of main air-out pipeline 7. A main air inlet pipeline temperature transmitter 11 is installed on the main air inlet pipeline 10, and a main air outlet pipeline temperature transmitter 8 is installed on the main air outlet pipeline 7.
And a pattern plate 2 and a high-temperature-resistant PTFE cloth bag 1 are arranged between the purification chamber 4 and the dust removal chamber 3. An injection pipe 17 is arranged above a cloth bag opening in each dust removal unit purification chamber 4 and is connected with an injection system, a sealing cover plate 16 is arranged above each dust removal unit purification chamber 4, and the dust removal chamber 3 and the purification chamber 4 are respectively provided with a pressure measuring interface of a differential pressure transmitter 5; the bottom end of the ash hopper 12 is provided with a star-shaped discharge valve 14, a spiral conveyor 15 is arranged below the star-shaped discharge valve 14, and each group of dust removing units shares one spiral conveyor 15. The collected dust enters the spiral conveyer 15 from the dust hopper 12 to be uniformly recovered.
The ash bucket 12 is provided with an ash bucket heating device 13 to prevent the ash bucket 12 from dew point corrosion. The hopper heating device 13 includes, but is not limited to, a heating belt wrapped outside the hopper.
The industrial furnace cloth bag dust remover capable of detecting and replacing the damaged cloth bag on line further comprises a control unit, wherein the control unit controls the start and stop of an inlet butterfly valve 9, an outlet butterfly valve 6, an ash bucket heating device 13 and the like correspondingly through transmitted signals of a differential pressure transmitter 5, a main air inlet pipeline temperature transmitter 11, a main air outlet pipeline temperature transmitter 8, an ash bucket temperature transmitter and the like.
The star-shaped discharge valve 14 comprises a shell, a servo motor and a rotating shaft, wherein the servo motor is fixed on the outer side of the shell and connected with the rotating shaft arranged inside the shell, a windmill-shaped rotating wheel is arranged on the rotating shaft, and a soft scraper is fixed at the front end of the rotating wheel.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "connected," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (9)

1. A cloth bag dust remover of an industrial furnace kiln, which can detect and replace a damaged cloth bag on line, is characterized by comprising a dust removing unit, a main air outlet pipeline (7), a main air inlet pipeline (10), a spiral conveyer (15) and a bracket for supporting and fixing the dust removing unit;
the dust removal unit comprises a purification chamber (4), a dust removal chamber (3) and an ash bucket (12) which are sequentially arranged from top to bottom, the purification chamber (4) is communicated with a main air outlet pipeline (7) through an outlet butterfly valve (6), the dust removal chamber (3) is communicated with a main air inlet pipeline (10) through an inlet butterfly valve (9), a pattern plate (2) and a high-temperature-resistant PTFE cloth bag (1) are arranged between the purification chamber (4) and the dust removal chamber (3), and the dust removal chamber (3) and the purification chamber (4) are respectively provided with a pressure measuring interface of a differential pressure transmitter (5); a blowing pipe (17) is arranged in the purification chamber; a sealing cover plate (16) is arranged above the purifying chamber; the bottom end of the ash bucket (12) is provided with a star-shaped discharge valve (14), and a spiral conveyor (15) is arranged below the star-shaped discharge valve (14).
2. The industrial furnace cloth bag dust remover capable of detecting and replacing the damaged cloth bag on line according to claim 1, wherein the number of the dust removing units is multiple, the multiple dust removing units are divided into two groups, the two groups of dust removing units are arranged in parallel along the smoke flow direction, and each group of dust removing units shares one screw conveyer (15).
3. The industrial furnace bag-type dust collector capable of detecting and replacing the damaged bag on line according to claim 2, wherein the main air inlet pipeline (10) and the main air outlet pipeline (7) are positioned between the two sets of dust collection units.
4. The industrial furnace bag-type dust collector capable of detecting and replacing the damaged bag on line according to claim 3, wherein the main air inlet pipeline (10) is positioned below the main air outlet pipeline (7).
5. The industrial furnace cloth bag dust remover capable of detecting and replacing the damaged cloth bag on line according to claim 1, wherein the mouth of the high temperature resistant PTFE cloth bag (1) is firmly fixed on the flower plate (2) through a high-strength elastic piston ring.
6. The industrial furnace bag-type dust collector capable of detecting and replacing the damaged bag on line according to claim 1, wherein a main air inlet pipe temperature transmitter (11) is installed on the main air inlet pipe (10), and a main air outlet pipe temperature transmitter (8) is installed on the main air outlet pipe (7).
7. The industrial furnace cloth bag dust remover capable of detecting and replacing the damaged cloth bag on line according to claim 1, wherein an ash bucket heating device (13) is arranged on the ash bucket (12).
8. The industrial furnace cloth bag dust remover capable of detecting and replacing the damaged cloth bag on line according to claim 1, wherein the pressure measuring ports are respectively arranged on outer boxes on the same side of the dust removing chamber (3) and the purifying chamber (4).
9. The industrial furnace cloth bag dust collector capable of detecting and replacing the damaged cloth bag on line according to any one of claims 1 to 8, further comprising a control unit, wherein the control unit controls the start and stop of the inlet butterfly valve (9), the outlet butterfly valve (6) and the ash bucket heating device (13) correspondingly through signals transmitted by the differential pressure transmitter (5), the main air inlet pipeline temperature transmitter (11), the main air outlet pipeline temperature transmitter (8) and the ash bucket temperature transmitter.
CN202023156212.9U 2020-12-24 2020-12-24 Industrial furnace cloth bag dust remover capable of detecting and replacing damaged cloth bag on line Active CN214182226U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023156212.9U CN214182226U (en) 2020-12-24 2020-12-24 Industrial furnace cloth bag dust remover capable of detecting and replacing damaged cloth bag on line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023156212.9U CN214182226U (en) 2020-12-24 2020-12-24 Industrial furnace cloth bag dust remover capable of detecting and replacing damaged cloth bag on line

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CN214182226U true CN214182226U (en) 2021-09-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115006941A (en) * 2022-06-07 2022-09-06 甘肃酒钢集团宏兴钢铁股份有限公司 Powder filling cloth bag online replacement method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115006941A (en) * 2022-06-07 2022-09-06 甘肃酒钢集团宏兴钢铁股份有限公司 Powder filling cloth bag online replacement method

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