CN219646970U

CN219646970U - Cloth bag dust remover

Info

Publication number: CN219646970U
Application number: CN202320974373.3U
Authority: CN
Inventors: 殷满华
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-09-08
Anticipated expiration: 2033-04-26

Abstract

The utility model provides a sack cleaner includes, at least one public ash bucket supports in body steel construction and holds in frame construction, at least a pair of sack bin box is parallel and is connected public ash bucket, the intermediate exhaust total flue of sack locates a pair of sack bin box intermediate position and communicates the intermediate exhaust conflux box structure in top, the intermediate intake total flue of sack locates a pair of sack bin box intermediate position in order to introduce the flue gas, the short flue structure of reposition of redundant personnel is located the intermediate intake total flue bottom of sack and is located a pair of sack bin box intermediate position, the short flue structure of reposition of redundant personnel is connected intermediate intake total flue of sack and public ash bucket in order to introduce the flue gas into the well upper portion of public ash bucket, and then flow into the filter bag and the bag cage in a pair of sack bin box and filter, the flue gas after the filtration flows through sack export toilet box and gets into intermediate exhaust conflux box structure in the top and discharges from the intermediate exhaust total flue of sack. The bag-type dust collector has good tightness, can avoid blockage and has good dust removing effect.

Description

Cloth bag dust remover

Technical Field

The utility model relates to the technical field of bag dust removal, in particular to a bag dust remover.

Background

The cleaning room at the top of the bag-type dust collector in the prior art adopts a single-layer steel cover plate, bolts are used for fastening and pressing a top cover, the disassembly is troublesome, the sealing at joints is not tight, the heat preservation effect is not achieved, the sealing heat preservation performance of the top cover of the cleaning room is poor, air is very easy to leak in, acid condensation is formed on part of the top cover, the shell of the top cover of the cleaning room is quickly corroded, a large number of honeycomb holes are formed, and the bag-type dust collector runs under negative pressure, so that a large amount of cold air leaks into the cleaning room, the corrosion of the shell is further accelerated, and air is mixed in the purified flue gas, so that the flue gas emission index is monitored inaccurately; the inlet flue main pipe of the conventional bag-type dust collector is horizontal, and the guide pipe leading to the bag-type bin from the bottom opening adopts a horizontal or inclined flap valve structure, so that the flue is easily blocked due to dust accumulation, the cleaning is difficult, the overall power consumption of equipment operation is greatly increased, the bag-type dust collector cannot be operated and stopped when serious, and the requirement of long-term stable operation of industrial production is difficult to meet; the lower part of each cloth bag bin of the existing cloth bag dust remover is provided with a plurality of ash hoppers, the ash hoppers are large in number and a plurality of ash outlets, the cloth bag dust remover which is unfavorable for negative pressure operation is sealed, and the ash hoppers are arranged on two sides of the central axis, two sets of fly ash conveyors are required to be arranged, so that the number of equipment is increased.

The above information disclosed in the background section is only for enhancement of understanding of the background of the utility model and therefore may contain information that does not form the prior art that is already known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model aims to provide a bag-type dust remover, wherein a clean room top cover has a pneumatic automatic opening and closing function, a cover plate and a door frame of a hole are internally provided with heat insulation materials, and a seam adopts a double-layer high-temperature-resistant sealing ring, so that the sealing property and the heat insulation property of the clean room top cover are better; two side-by-side bag chambers are provided with an ash bucket in common, flue gas flows downwards vertically into the middle part of the ash bucket through a flue hole formed in the bottom surface of a main flue of an inlet of the bag-type dust collector, and flows upwards in the bag chambers after being diverted at 180 degrees from left to right, so that fly ash in the flue gas naturally settles into the ash bucket under the dual actions of downward inertia and gravity, the filtering load of the bag is greatly reduced, and the whole flue gas flowing part is free of a horizontal flue, so that the problem of ash accumulation and blockage at the horizontal section of the flue inlet of the conventional bag-type dust collector or the inclined flue short pipe after the flue is diverted is thoroughly solved; the number of ash hoppers is reduced to half of that of the existing bag-type dust collector, and the outlets of the ash hoppers are arranged on the same central axis, so that the number of fly ash conveyors of the bag-type dust collector is reduced to one, the overall tightness of the bag-type dust collector is improved, the fly ash conveyors can be shared with other environment-friendly equipment such as a deacidification tower with ash outlets on the central axis, the factory building area and equipment investment are saved, and the operation, maintenance and management work in the later stage are facilitated.

In order to achieve the above object, the present utility model provides the following technical solutions:

the bag-type dust remover of the utility model comprises:

a foundation steel structure which is a frame structure;

the body steel structure is detachably connected to the top end of the basic steel structure,

at least one common hopper supported by the body steel structure and received in the frame structure, the common hopper having an upper opening of a first size, a lower opening of a second size smaller than the first size, and a side wall tapering in cross section from the upper opening toward the lower opening,

at least a pair of cloth bag bin boxes which are arranged on the public ash hopper in parallel and communicated with the public ash hopper, wherein each cloth bag bin box comprises a filter bag and a bag cage,

a cloth bag outlet clean room box body which is arranged at the top end of the cloth bag bin box body and is communicated with the cloth bag bin box body,

a top middle exhaust converging box structure which is arranged at the middle position of the top of a pair of cloth bag bin boxes and is communicated with the cloth bag outlet clean room box,

a cloth bag middle exhaust main flue which is arranged at the middle position of the pair of cloth bag bin boxes and is communicated with the top middle exhaust main flue box structure,

a cloth bag middle air inlet main flue which is arranged at the middle position of the pair of cloth bag bin bodies to guide in smoke,

the split-flow short flue structure is arranged at the bottom of the cloth bag middle air inlet main flue and is positioned at the middle position of a pair of cloth bag bin boxes, the split-flow short flue structure is communicated with the cloth bag middle air inlet main flue and the public ash bucket so as to guide the flue gas into the middle upper part of the public ash bucket, and then flows into the filter bags and the bag cages in the pair of cloth bag bin boxes to be filtered, and the filtered flue gas flows through the cloth bag outlet clean room boxes to enter the top middle exhaust main flue structure and is discharged from the cloth bag middle exhaust main flue.

In the cloth bag dust remover, the top middle exhaust converging box body structure is communicated with the cloth bag middle exhaust main flue through the lifting valve assembly.

In the cloth bag dust remover, the split-flow short flue structure vertically guides the smoke to the middle upper part of the public ash bucket, and the smoke flows out from the left side and the right side of the public ash bucket through the guide piece and flows into the cloth bag bin after turning 180 degrees.

In the cloth bag dust remover, the bottom surface of the air inlet main flue in the middle of the cloth bag is an air outlet hole, and the flue gas is guided by the split-flow short flue structure so that particles in the flue gas directly fall down vertically on the inner wall of the public ash bucket.

In the cloth bag dust remover, a cleaning chamber box body at the outlet of the cloth bag comprises,

a clean room installation opening heat-insulating door frame which is fixedly connected to the top end of the cloth bag bin body, a clean room installation opening heat-insulating cover plate which is connected with the clean room installation opening heat-insulating door frame in an openable and closable manner,

a double sealing ring structure which is in sealing connection with a closing seam between the heat-insulating cover plate of the clean room installation opening and the heat-insulating door frame of the clean room installation opening,

an automatic opening and closing cylinder of a heat-insulating cover plate of a clean room and a supporting structure are connected with the heat-insulating cover plate of the installation opening of the clean room in a transmission way,

and the door bumps are used for locking the heat-insulating cover plate of the clean room installation opening and the heat-insulating door frame of the clean room installation opening.

In the bag-type dust collector, an electromagnetic pulse valve air bag is arranged on the side wall of a clean room of the bag-type dust collector.

In the cloth bag dust remover, the central axis of the common ash bucket is collinear with the middle position of the top of the box body of the pair of cloth bag chambers.

In the bag-type dust collector, the upper opening and the lower opening are both on the central axis.

In the cloth bag dust remover, the top middle exhaust converging box structure, the cloth bag middle exhaust main flue and the cloth bag middle air inlet main flue are all positioned on the central axis.

In the bag-type dust collector, the bag-type dust collector is of a symmetrical structure.

In the technical scheme, the cloth bag dust remover provided by the utility model has the following beneficial effects: the clean room top cover pneumatic switch of sack cleaner keeps warm the leakproofness better, the import flue thoroughly stops the deposition and blocks up, dust remover ash bucket quantity halved and the ash outlet all is on the axis, electromagnetic pulse valve air pocket arranges on dust remover both sides lateral wall, clean room top cover passes through pneumatic cylinder control, the switch is convenient and top cover is provided with insulation material all around and in the apron, it is effectual to keep warm, apron and door frame seam adopt double-deck sealing washer structure, the better environmental protection industrial equipment of leakproofness, through setting up the heat preservation door frame, establish insulation material's apron and high temperature resistant seal structure in, make clean room top cover thoroughly stop apron and door frame contact seam department leak into cold air after closing, and door frame and double-deck apron are inside all to be provided with insulation heat insulation material, avoided clean room hot flue gas to receive outside cold air cooling's problem, make clean room casing no longer produce the cooling condensation corruption problem. When the cloth bag and the bag cage in the clean room need to be checked and replaced, the cover plate can be conveniently opened or closed through the two pneumatic cylinders on the heat-insulating cover plate, compared with the existing single-layer steel cover plate fastened by bolts, the disassembly and the lifting are more convenient and quick, and the lifting equipment and facilities do not need to be arranged at the top of the novel cloth bag dust remover. The inlet flue of the bag-type dust collector thoroughly eliminates the environmental protection industrial equipment of dust accumulation and blockage, through arranging the electromagnetic pulse valve air bags on the side walls of two sides of the bag-type dust collector, the whole width of the inlet flue in the middle of the bag-type dust collector is reduced, the structure is more tightly and promoted, two bag-type chambers of the two sides of the bag-type dust collector side by side are provided with a dust hopper in common, so that the inlet flue structure of the bag-type dust collector is optimized, the flue gas flow passage from the total air inlet horizontal flue to the two bag-type chambers is directly opened from the bottom surface of the horizontal flue, after the flue gas flow passage vertically flows through the middle position of the dust hopper through the drainage short pipe, the flue gas flows into the bag-type chambers in 180 degrees at two sides, and the horizontal flue is not used in the whole flow path, thereby thoroughly avoiding the dust accumulation and blockage problems caused by the existence of the horizontal flue in the inlet total flue of the bag-type dust collector, avoiding the dust removal difficulty, increasing the running electricity consumption of equipment and the like. The number of ash hoppers of the dust collector is halved, ash outlets are formed in the central axis, electromagnetic pulse valve air bags are arranged on side walls of two sides of the dust collector, the number of bags which are cleaned by a single electromagnetic pulse valve is properly limited, the widths of two side-by-side bag chambers are effectively reduced, and after the electromagnetic pulse valve air bags are arranged on the side walls of two sides of the bag collector, the widths of middle inlet and outlet flue manifolds of the bag collector are compressed, so that the whole width of the bag collector is reduced, two bag chambers can share one ash hopper, and the whole structure of the bag collector is not increased too high. The number of ash hoppers is halved, the number of ash outlets of the ash hoppers is correspondingly halved, and the ash outlets can be arranged on the central axis, so that two ash discharging conveyor devices of the bag-type dust collector are required to be arranged on the central axis from the left side and the right side of the old, only one ash discharging conveyor device is required to be arranged on the central axis, the number of ash conveying devices is reduced, and particularly when the bag-type dust collector is applied to the projects of a living garbage incineration power plant and a biomass power plant, the ash discharging conveyor device of the bag-type dust collector and the ash conveying hopper of a deacidification and denitration tower are used for conveying ash in a public way, so that the number of ash conveying devices is greatly reduced, and meanwhile, the bag-type dust collector, the deacidification and denitration tower and the fly ash warehouse can be arranged on the same axis, so that the whole equipment arrangement of the projects is more reasonable and compact, the occupied area is smaller, the land and the factory space are saved, and the whole investment of the projects is greatly reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic diagram of a front view structure of a bag-type dust collector according to the present utility model.

Fig. 2 is a schematic side view of a slide rail device of a bag-type dust collector according to the present utility model.

Fig. 3 is a schematic top view of a slide rail device of a bag-type dust collector according to the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-3, in one embodiment, a bag-type dust collector of the present utility model includes,

a foundation steel structure 1 which is a frame structure;

a body steel structure 2 detachably connected to the top end of the foundation steel structure 1,

at least one common hopper 3 supported by the body steel structure 2 and accommodated in the frame structure, the common hopper 3 having an upper opening of a first size, a lower opening of a second size smaller than the first size, and a side wall tapering in cross section from the upper opening toward the lower opening,

at least a pair of cloth bag bin boxes 4 which are arranged on the public ash bucket 3 in parallel and are communicated with the public ash bucket 3, the cloth bag bin boxes 4 comprise filter bags 28 and a bag cage 29,

a cloth bag outlet clean room box body 8 which is arranged at the top end of the cloth bag bin box body 4 and is communicated with the cloth bag bin box body 4,

a top middle exhaust converging box structure 14 which is arranged at the middle position of the top of the pair of cloth bag bin boxes 4 and is communicated with the cloth bag outlet clean room box 8,

a cloth bag middle exhaust total flue 15 which is arranged at the middle position of the cloth bag bin box bodies 4 and is communicated with the top middle exhaust total flue box body structure 14,

a cloth bag middle air inlet total flue 16 which is arranged at the middle position of the pair of cloth bag bin boxes 4 for guiding in smoke,

the split-flow short flue structure 17 is arranged at the bottom of the cloth bag middle air inlet main flue 16 and is positioned at the middle position of the pair of cloth bag bin boxes 4, the split-flow short flue structure 17 is communicated with the cloth bag middle air inlet main flue 16 and the public ash bucket 3 so as to guide the flue gas into the middle upper part of the public ash bucket 3, and then flows into the filter bags 28 and the bag cages 29 in the pair of cloth bag bin boxes 4 for filtering, and the filtered flue gas flows through the cloth bag outlet clean room box 8, enters the top middle air exhaust main flue box structure 14 and is discharged from the cloth bag middle air exhaust main flue 15.

In the preferred embodiment of the bag house, the top intermediate exhaust manifold 14 communicates with the bag intermediate exhaust stack 15 via the poppet valve assembly 12.

In the preferred embodiment of the bag-type dust collector, the split-flow short flue structure 17 vertically guides the flue gas to the middle upper part of the common ash bucket 3, and the flue gas flows out from the left side and the right side of the common ash bucket 3 through the guide piece and flows into the bag-type bin box 4 after being turned 180 degrees.

In the preferred embodiment of the bag-type dust collector, the bottom surface of the air inlet main flue 16 in the middle of the bag is an air outlet hole, and the flue gas is guided by the split-flow short flue structure 17 to enable particles in the flue gas to directly fall down vertically on the inner wall of the public ash bucket 3.

In the preferred embodiment of a bag house dust collector, the bag outlet clean room box 8 comprises,

a heat-insulating door frame 6 at the installation opening of the clean room, which is fixedly connected with the top end of the cloth bag bin body 4,

a clean room installation opening heat-insulating cover plate 9 which is connected with the clean room installation opening heat-insulating door frame 6 in an openable and closable manner,

a double sealing ring structure 10 which is in sealing connection with a closing seam between the heat-insulating cover plate 9 of the clean room installation opening and the heat-insulating door frame 6 of the clean room installation opening,

the cylinder and the supporting structure 11 are automatically opened and closed by the heat-preserving cover plate of the clean room, the heat-preserving cover plate 9 of the installation opening of the clean room is connected in a transmission way,

and a plurality of door bumps 7 which lock the heat-insulating cover plate 9 of the clean room installation opening and the heat-insulating door frame 6 of the clean room installation opening.

In the preferred embodiment of the bag-type dust collector, the electromagnetic pulse valve 27 is arranged on the side wall of the clean room of the bag-type dust collector.

In the preferred embodiment of the bag-type dust collector, the central axis of the common ash bucket 3 is collinear with the middle position of the tops of the pair of bag-type bin boxes 4.

In the preferred embodiment of the bag-type dust collector, the upper opening and the lower opening are both on the central axis.

In the preferred embodiment of the bag-type dust collector, the top middle exhaust manifold box structure 14, the bag middle exhaust main flue 15 and the bag middle intake main flue 16 are all located on the central axis.

In the preferred embodiment of the bag-type dust collector, the bag-type dust collector is of a symmetrical structure.

In one embodiment, the compressed air supply package and the pipeline 13 are arranged at the top of the cloth bag bin body 4.

In one embodiment, an electric vibrator 18 is provided on the outer wall of the common hopper 3 to vibrate the falling ash.

In one embodiment, the utility hopper 3 is provided with a hopper insulated sealed manhole door 19.

In one embodiment, the bottom of the common hopper 3 is provided with a damping level gauge 20.

In one embodiment, the body steel structure 2 is connected to the top end of the base steel structure 1 via a heat insulating refractory silica gel plate 21.

In one embodiment, the cloth bag middle air inlet main flue 16 comprises a non-metal circular expansion joint 22 of a smoke inlet and a square rounding short pipe 23 of the smoke inlet connected with the non-metal circular expansion joint 22 of the gas inlet.

In one embodiment, a cloth bag middle in-out flue gas flue middle partition 24 is arranged between the cloth bag middle air inlet main flue 16 and the cloth bag middle air outlet main flue 15.

In one embodiment, the side of the cloth bag bin box 4 is provided with a steel platform ladder 25.

In one embodiment, the solenoid valve air bag 5 has a solenoid valve air bag inlet ball valve 26.

In one embodiment, the cloth bag middle exhaust main flue 15 comprises a fume outlet nonmetallic circular expansion joint 31 and a fume outlet square rounding short pipe 30 connected with the fume outlet nonmetallic circular expansion joint 31.

Preferably, the shape of the public ash bucket 3 is rectangular combined with a conical ash bucket, two side-by-side cloth bag bin boxes 4 share one public ash bucket 3, and the number of the public ash bucket 3 is half of that of the cloth bag bin boxes 4.

In one embodiment, the heat insulation tightness of the top cover pneumatic switch of the bag-type dust collector is better, the dust accumulation blockage is thoroughly avoided by an inlet flue, the number of dust hoppers of the dust collector is halved, dust outlets are all on a central axis, electromagnetic pulse valve gas bags are arranged on two side walls of the dust collector, the dust collector comprises a basic steel structure 1 of the bag-type dust collector, a bolt-connected body steel structure 2 at the upper part of the basic steel structure 1 of the bag-type dust collector, a public ash hopper 3 supported at the upper part of the body steel structure 2 of the bag-type dust collector, a bag-type bin box 4, a bag outlet clean room box 8, a top middle exhaust manifold box structure 14, a bag middle exhaust manifold 15, a bag middle air inlet manifold 16 and other welded structures, flue gas enters the inside the bag-type dust collector through the bag middle air inlet manifold 16, the flue gas is vertically guided to the upper part of the dust hoppers 3 through a split short flue structure 17 at the bottom surface of the bag middle air inlet manifold 16, the flue gas flows out to the left side and the right side in the bag-type dust collector 3, flows into the bag-type bin box 4 after 180 degrees, the flue gas flows into the bag-type dust collector through the bag-type bin box 28 and the bag middle exhaust manifold assembly, the flue gas flows into the bag-type dust collector through the bag middle exhaust manifold assembly 28 and the bag middle exhaust manifold assembly 15 through the filter chamber 15, and the exhaust manifold assembly is discharged from the top air outlet flue 15 through the middle exhaust manifold assembly and the top air cleaner. When the flue gas containing a large amount of fly ash and other harmful substances flows into the cloth-bag middle air inlet main flue 16, the bottom surface of the cloth-bag middle air inlet main flue 16 is completely provided with an air outlet hole, and when the flue gas flows into the ash bucket 3 in a split manner through the cloth-bag middle air inlet main flue 16, the bottom surface is not provided with a horizontal plate structure, and the fly ash and other harmful particles in the flue gas cannot be deposited at the position to form accumulated ash to block the flue; the flow guiding effect of the flow dividing short flue structure 17 enables a large amount of fly ash and other harmful particles in the flue gas to directly fall down onto the inner wall of the ash bucket, meanwhile, as the flue gas flows through the middle air inlet main flue 16 of the cloth bag and then vertically flows out from the bottom surface of the main flue to enter the ash bucket, the fly ash and other harmful particles in the flue gas fall into the inner wall of the ash bucket under the dual effects of downward inertia and gravity and are discharged through the ash bucket, the problems of ash accumulation and blockage in the inlet flue of the old cloth bag dust collector and the flow dividing structure system are thoroughly eliminated, the later operation and maintenance intensity is greatly reduced, and the manpower and financial resources are saved. When the filter bag 28 and the bag cage 29 are required to be installed and inspected, the clean room installation opening heat-insulating cover plate 9 is opened through the clean room heat-insulating cover plate automatic opening and closing cylinder and the supporting structure 11, the clean room installation opening heat-insulating cover plate 9 is closed through the clean room heat-insulating cover plate automatic opening and closing cylinder and the supporting structure 11 after the installation and the inspection are finished, the clean room installation opening heat-insulating cover plate 9 and the clean room installation opening heat-insulating door frame 6 are closed, the closed joint is tightly sealed through the high-temperature-resistant double-sealing ring structure 10, and meanwhile, the clean room installation opening heat-insulating cover plate 9 and the clean room installation opening heat-insulating door frame 6 can be automatically tightly buckled through the heavy door bumps 7, so that the heat preservation and the combination tightness of the clean room top cover structure are ensured, and the problems of condensation corrosion and air leakage are avoided. The electromagnetic pulse valve air bags 5 are arranged on the side walls of the two sides of the heat-insulating door frame 6 of the clean room mounting opening, so that the top space of the bag-type dust collector is more concise and spacious, the widths of the top middle exhaust collecting box body structure 14, the bag middle air inlet total flue 16 and the bag middle exhaust total flue 15 are all narrowed, the overall width of the bag-type dust collector is reduced, and the overall height of the dust collector can be ensured not to be increased too much under the condition that the public ash bucket 3 maintains a certain taper requirement; the number of the common ash hoppers 3 is reduced by half in the number of the old cloth bag dust collectors, the ash outlet is on the central axis, only one fly ash conveying device is needed to be arranged, and when the device is applied to projects such as garbage incineration power generation, biomass power generation and the like, the device can be used for one fly ash conveying device together with ash hoppers such as deacidification towers and pin removal towers, so that the number of the fly ash conveying devices is greatly reduced, the whole layout of the device is facilitated, and the equipment investment and the factory building area are saved.

It should be noted that, according to the present novel bag-type dust collector structure, according to the different scales of the applied project, the present novel bag-type dust collector structure can be applied to the different scales of the project by increasing or reducing the numbers of the bag bin boxes 4 and the common ash hoppers 3 on the left and right sides of the bag-type dust collector.

Finally, it should be noted that: the described embodiments are intended to be illustrative of only some, but not all, of the embodiments of the present utility model and, based on the embodiments herein, all other embodiments that may be made by those skilled in the art without the benefit of the present disclosure are intended to be within the scope of the present utility model.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. A cloth bag dust collector is characterized in that the cloth bag dust collector comprises,

a foundation steel structure which is a frame structure;

2. The bag-type dust collector of claim 1, wherein the top intermediate exhaust manifold structure communicates with the bag intermediate exhaust manifold via a poppet valve assembly.

3. The bag-type dust collector according to claim 1, wherein the split-flow short flue structure vertically guides the flue gas to the middle upper part of the public ash bucket, and the flue gas flows out from the left side and the right side of the public ash bucket through the guide piece and flows into the bag bin body after being turned 180 degrees.

4. The cloth bag dust remover according to claim 1, wherein the bottom surface of the middle air inlet main flue of the cloth bag is an air outlet hole, and the flue gas is guided by the split-flow short flue structure so that particles in the flue gas directly fall down vertically to the inner wall of the public ash bucket.

5. A bag-type dust collector as set forth in claim 1 wherein the bag outlet clean room housing comprises,

a heat-insulating door frame at the mounting opening of the clean room, which is fixedly connected to the top end of the cloth bag bin body,

a heat-insulating cover plate of the clean room mounting opening, which is connected with the heat-insulating door frame of the clean room mounting opening in an openable and closable manner,

6. A bag-type dust collector according to claim 1, wherein the electromagnetic pulse valve air bag is arranged on the side wall of the clean room of the bag-type dust collector.

7. The bag-type dust collector of claim 1 wherein the central axis of the common ash bucket is collinear with the intermediate positions of the tops of the pair of bag bin boxes.

8. The bag-type dust collector of claim 7 wherein the upper and lower openings are on the central axis.

9. The bag-type dust collector of claim 7 wherein said top intermediate exhaust manifold structure, said bag intermediate exhaust stack and said bag intermediate intake stack are all located on said central axis.

10. The bag-type dust collector of claim 1, wherein the bag-type dust collector is of a symmetrical structure.