CN211536906U

CN211536906U - Bag collector air-out flue system and bag collector

Info

Publication number: CN211536906U
Application number: CN201922110361.2U
Authority: CN
Inventors: 谭长栓; 赵永存; 申泰炫
Original assignee: Henan Sinoma Environmental Protection Co ltd
Current assignee: Henan Sinoma Environmental Protection Co ltd
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-09-22
Anticipated expiration: 2029-11-30

Abstract

The utility model relates to the field of dust removal equipment, in particular to an air outlet flue system of a bag type dust collector and the bag type dust collector, which comprises a shawl room and is used for being arranged at the upper part of a dust removal bin of the bag type dust collector; the flue is sealed and buckled above the mantles; the air duct is connected to the shawl house and extends into the flue to be communicated with the shawl house and the flue; the cut-off valve is arranged on the air duct and used for controlling the on-off of the air duct. The direct quilt cover of takeover need not to dock fixedly with the flue in the flue inner chamber, only need with the takeover fix suitable position on the shawl room can, in addition because the takeover is direct by the cover in the inner chamber of flue, only need with break valve one side with takeover sealing connection can, reduced bag collector air-out flue system's the manufacturing degree of difficulty for the break valve is convenient for change in later stage overhauls. Meanwhile, the on-off valve does not need bearing, and the probability of failure of the on-off valve is reduced. Therefore, the air outlet flue system of the bag type dust collector has reliable structural strength, is easy to assemble and is convenient to overhaul in the later period.

Description

Bag collector air-out flue system and bag collector

Technical Field

The utility model relates to a dust collecting equipment field, concretely relates to bag collector air-out flue system and bag collector.

Background

In order to avoid environmental pollution, in the prior art, besides the electric dust collector is removed and replaced by a bag type dust collector, the existing electric dust collector is also modified into the bag type dust collector through an electric bag modifying technology. The electric bag changing technology is a technology for changing an electric dust collector into a bag type dust collector by removing internal structural parts of the electric dust collector and additionally installing a filter bag dust collector in a reserved shell; the technology can greatly reduce the investment amount, improve the utilization rate of old equipment, improve the engineering efficiency and is welcomed by the market.

The structure of an air outlet flue system of a bag type dust collector reconstructed from an electric dust collector in the prior art is shown in fig. 1 and 2, and comprises a shawl 1, a connecting pipe 2, a flue 3 and an opening and closing valve 4. The shawl room 1 is used for covering the upper part of the bag type dust collector dedusting bin, the connecting pipes 2 are provided with a plurality of groups and are arranged between the shawl room 1 and the flue 3, the upper end of the connecting pipes is in sealed butt joint with the flue bottom plate 5 of the flue 3, and the shawl room 1 is communicated with the inner cavity of the flue 3. Each connecting pipe 2 comprises an upper pipe body and a lower pipe body, and the cut-off valve 4 is in sealing butt joint between the upper pipe body and the lower pipe body of the connecting pipe 2 and is used for controlling the cut-off of the connecting pipe 2. When the device works, the filtered clean gas flows into the flue 3 through the shawl 1, the connecting pipe 2 and the cut-off valve 4, and flows to the downstream through the outlet of the flue 3.

The air-out flue system of structure like this, the mounted position precision requirement of butt joint pipe 2 is higher, if the height of taking over 2, left right position size error are bigger than normal, can cause the connecting weld clearance of taking over 2 and shaggang 1 and flue 3 to be big, influences air-out flue system's structural strength, and simultaneously, the break valve 4 need sealed butt joint between 2 two sections bodys of takeover, has increased air-out flue system's the assembly degree of difficulty. In addition, because the on-off valve 4 is butted between the two sections of pipe bodies of the connecting pipe 2, the on-off valve 4 is easy to bear and deform, and breaks down, and is inconvenient to replace and overhaul when breaking down, so that the air outlet flue system is inconvenient to overhaul.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air-out flue system of a bag type dust collector, which solves the technical problems that the air-out flue system of the bag type dust collector reconstructed by an electric type dust collector in the prior art has low structural strength, high assembly difficulty, easy failure and inconvenient maintenance after failure; an object of the utility model is to provide a bag collector to solve among the prior art the bag collector that reforms transform by electric formula dust remover and be not high because of air-out flue system structure reason structural strength, the assembly degree of difficulty is big, the easy technical problem of the maintenance of being not convenient for after breaking down.

The utility model discloses a bag collector air-out flue system adopts following technical scheme:

an air outlet flue system of a bag type dust collector comprises a mantle room, a dust collecting chamber and a dust collecting chamber, wherein the mantle room is used for being arranged at the upper part of the dust collecting chamber of the bag type dust collector; the flue is arranged above the shawl house in a sealing and buckling mode; the air guide pipe is connected to the mantle and extends into the flue and is used for communicating the mantle and the flue; the on-off valve is arranged on the air duct and used for controlling the on-off of the air duct.

The beneficial effects are that: the air duct is butt-jointed on the shawl house and extends into the flue, the shawl house, the air duct and the inner cavity of the flue form a passage for smoke to pass through, and when the air duct works, the smoke in the shawl house can enter the flue through the air duct and flows to the downstream through the outlet of the flue. Because the air duct is directly covered in the flue inner chamber, consequently, need not to dock air duct and flue fixedly, during the installation air duct, only need with the air duct fix suitable position on the shawl room can, the installation accuracy requirement to the air duct is low, simultaneously, the direct spiral-lock of flue is on the shawl room, need not to support through the air duct, ensures that bag collector air-out flue system has higher structural strength. In addition, because the air duct is directly covered in the inner cavity of the flue, the upper part of the cut-off valve is not required to be provided with a pipe body to be connected with the flue, and only one side of the cut-off valve is required to be connected with the air duct in a sealing manner, so that the production and manufacturing difficulty of the air outlet flue system of the bag type dust collector is reduced, and the cut-off valve is convenient to replace in later-stage maintenance. Meanwhile, the on-off valve does not need bearing, and the probability of failure of the on-off valve is reduced. Therefore, the air outlet flue system of the bag type dust collector has reliable structural strength, is easy to assemble and is convenient to overhaul in the later period.

Furthermore, the air ducts are multiple and arranged in an array manner, and in the same row of air ducts arranged in the width direction of the shawl house, the head and the tail of the two air ducts are blocked with two side walls in the width direction of the flue so as to limit the flue.

The beneficial effects are that: utilize air duct and flue cooperation to carry on spacingly to the flue, during the assembly flue, can conveniently place the flue in the installation position, ensure that the bag collector air-out flue system after the assembly structure is compacter simultaneously.

Furthermore, an operation window for overhauling the on-off valve is arranged on the side wall of the flue, and an operation window cover plate for plugging the operation window is arranged on the operation window.

The beneficial effects are that: the operating window is arranged, so that the later stage of an operator can conveniently overhaul the on-off valve.

Further, the cut-off valve comprises a driving device, and the driving device is located outside the flue.

The beneficial effects are that: set up drive arrangement in the flue outside, the operating personnel of being convenient for overhauls tripe valve drive arrangement, still makes bag collector air-out flue system can be applicable to the guide to high temperature gas simultaneously.

Furthermore, an operation window used for overhauling the on-off valve is arranged on the side wall of the flue, an operation window cover plate for plugging the operation window is arranged on the operation window, and the driving device is fixed on the operation window cover plate.

The beneficial effects are that: the operating window cover plate is used as an installation base body of the driving device, and the driving device and the operating window cover plate can be integrally disassembled and assembled when the on-off valve is overhauled.

The utility model discloses a bag collector adopts following technical scheme:

a bag type dust collector comprises a dust collection bin, wherein a plurality of filter bag dust collector modules are arranged in the dust collection bin; the air-out flue system is used for guiding the flow direction of the flue gas after dust removal and purification, and comprises a shawl which is used for being arranged at the upper part of the bag type dust collector dedusting bin; the air outlet flue system also comprises an air duct which is connected to the mantle and extends into the flue and is used for communicating the mantle and the flue; the on-off valve is arranged on the air duct and used for controlling the on-off of the air duct.

The beneficial effects are that: the air duct is butt-jointed on the shawl house and extends into the flue, the shawl house, the air duct and the inner cavity of the flue form a passage for smoke to pass through, and when the air duct works, the smoke in the shawl house can enter the flue through the air duct and flows to the downstream through the outlet of the flue. Because the air duct is directly covered in the flue inner chamber, consequently, need not to dock air duct and flue fixedly, during the installation air duct, only need with the air duct fix suitable position on the shawl room can, the installation accuracy requirement to the air duct is low, simultaneously, the direct spiral-lock of flue is on the shawl room, need not to support through the air duct, ensures that bag collector air-out flue system has higher structural strength. In addition, because the air duct is directly covered in the inner cavity of the flue, the upper part of the cut-off valve is not required to be provided with a pipe body to be connected with the flue, and only one side of the cut-off valve is required to be connected with the air duct in a sealing manner, so that the production and manufacturing difficulty of the air outlet flue system of the bag type dust collector is reduced, and the cut-off valve is convenient to replace in later-stage maintenance. Meanwhile, the on-off valve does not need bearing, and the probability of failure of the on-off valve is reduced. Therefore, the air outlet flue system of the bag type dust collector has reliable structural strength, is easy to assemble and is convenient for later-stage maintenance, and the bag type dust collector using the air outlet flue system has reliable structural strength, is easy to assemble and is convenient for later-stage maintenance.

Drawings

FIG. 1 is a front view of a prior art bag house exhaust duct system;

FIG. 2 is a right side view of the bag house exhaust duct system of FIG. 1;

FIG. 3 is a schematic structural diagram of an embodiment 1 of the middle bag type dust collector of the present invention;

fig. 4 is a schematic structural view of an air outlet flue system in embodiment 1 of the middle bag type dust collector of the present invention;

FIG. 5 is a right side view of the air outlet flue system of FIG. 4;

in the figure: 1-a mantle; 2-pipe connection; 3-flue; 4-opening and closing the valve; 5-flue bottom plate; 6-a dust removal bin; 7-an air outlet flue system; 8-a mantle; 9-flue; 10-gas-guide tube; 11-opening and closing the valve; 12-an opening; 13-air outlet pipeline; 14-a filter bag dust collector module; 15-air inlet pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The features and properties of the present invention are described in further detail below with reference to examples.

The utility model discloses a bag collector's embodiment 1: the utility model discloses a bag collector's embodiment 1: as shown in fig. 3, the bag house dust collector includes a dust collecting chamber 6, and a bag house dust collector module 14 is provided in the dust collecting chamber 6. In order to guide the flow direction of the clean flue gas after dust removal, the bag type dust collector also comprises an air outlet flue system 7 arranged at the upper part of the dust removal bin 6. In this embodiment, the bag filter further includes an air outlet pipe 13 butted at an air outlet of the air outlet flue system 7, and correspondingly, the bag filter is butted with an air inlet pipe 15. During assembly, the air outlet pipeline 13 is in butt joint with the fan, the fan sucks flue gas in the bag type dust collector, negative pressure is formed in the air outlet pipeline 13, the flue gas with dust can enter the bag type dust collector bin 6 through the air inlet pipeline 15, dust is removed in the dust collection bin 6 through the filter bag dust removal device module 14, the cleaned flue gas after dust removal enters the air outlet flue system 7 through the shaggy house 8, enters the air outlet pipeline 13 through the air outlet flue system 7 and is finally discharged from the air outlet pipeline 13 under the suction of the fan.

As shown in fig. 4, the specific structure of the air outlet flue system 7 includes a shawl 8, a flue 9, an air duct 10, and an opening/closing valve 11. Wherein, the shawl room 8 is used for installing in the upper portion of dust removal storehouse 6, and flue 9 lock joint is on the upside of shawl room 8, and the gas channel that supplies the clean flue gas of dust removal to pass through is enclosed with shawl room 8, and the front end of flue 9 has opening 12, and the gas in the gas channel can flow downstream pipeline through this opening 12.

Air duct 10 seals the butt joint and installs 8 upsides in the shawl room to upwards extend to in the flue 9, in order to ensure that the clean flue gas in 8 inner chambers in the shawl room after removing dust can outwards flow out, set up the clearing hole (not shown in the figure) that supplies the flue gas to pass through on the shawl room 8, air duct 10 corresponds with the clearing hole and installs on shawl room 8, and the guide shawl room 8 in the flue gas flow direction flue 9.

Regarding the number of the air ducts 10, in this embodiment, as shown in fig. 4 and 5, a plurality of air ducts are arranged in an array on the cabin 8, specifically, eight groups of air ducts 10 are arranged in parallel along the front-back direction of the cabin 8, and each group includes two air ducts 10 arranged in parallel along the width direction of the cabin, and by installing the plurality of air ducts 10, it is ensured that the air-out flue system 7 has a large enough ventilation capacity to meet the air-out requirement of the bag type dust collector. Regarding the quantity of air duct, in other embodiments, combine operating condition and operation requirement, the quantity of air duct can increase and decrease adaptively, for example, can set up more than two air ducts in every group, also can only set up an air duct, only need ensure that air-out flue system's ventilation ability satisfies bag collector's air-out requirement can.

In this embodiment, the two side walls of the flue 9 in the width direction of the mantel are respectively matched with the two corresponding air ducts 10 in each group in a blocking manner, the air ducts 10 are used for limiting the installation position of the flue 9, when the bag-type dust collector is assembled, after the air ducts 10 are fixed on the mantel 8, the side walls of the flue 9 are only required to be matched with the air ducts 10 in a fitting manner, and the flue 9 is buckled downwards, so that the flue 9 can be accurately placed at the installation position. Certainly, in order to avoid the requirement on the position precision of the air guide tube to be too high, the flue does not need to be restricted and limited when being installed, and after the flue is buckled on the shawl house, the flue is fixed after the position of the flue is adjusted.

The on-off valve 11 is hermetically arranged at the upper end of the air duct 10, and the on-off of the inner cavity of the air duct 10 can be controlled by controlling the opening section of the on-off valve 11. In order to facilitate the individual maintenance and replacement of the single filter bag dust collector module, a partition board is arranged in the shawl 8 to divide the inner cavity of the shawl 8 into chambers corresponding to the filter bag dust collector modules 14 one by one, and meanwhile, each air duct 10 is arranged corresponding to each chamber of the shawl. Normally during operation, the break valve 11 is in the open mode, and the flue gas after the dust removal is clean can flow to flue 9 through air duct 10, and when the deashing of needs, will break valve 11, block this air duct 10 and air-out pipeline 13's intercommunication for the flue gas that contains the dust can not get into in this filter bag dust collector module, then overhauls, changes this filter bag dust collector module.

The opening valve 11 is provided with a driving device for driving the opening and closing of the opening valve, meanwhile, in order to enable the air outlet flue system 7 to be used for guiding high-temperature gas, the driving device of the opening valve 11 is arranged outside the flue 9, meanwhile, in order to facilitate the maintenance of the opening valve, an operation window is also arranged on the side wall of the flue 9 corresponding to each opening valve 11, an operation window cover plate for plugging the operation window is arranged on the operation window, when the opening valve 11 needs to be maintained, the operation window cover plate is detached, and the opening valve can be maintained through the operation window.

In this embodiment, the cut-off valve 11 is a louver valve, the driving device of the louver valve is a telescopic cylinder, the telescopic cylinder is installed on the operation window cover plate through an installation frame, and a transmission shaft between the telescopic cylinder and the blades of the louver valve penetrates through the operation window cover plate to be in transmission connection with the telescopic cylinder. Of course, in other embodiments, the telescopic cylinder of the louver valve can also be arranged on the side wall of the flue so as to facilitate the disassembly and assembly of the operation window cover plate.

The on-off valve 11 may be other types of valves as long as it can control the on-off of the guide pipe, and based on this concept, in other embodiments, the on-off valve may also be a solenoid valve, a pneumatic gate valve, or other valves, and the driving devices for the solenoid valve and the pneumatic valve may be installed on the operation window cover plate or on the side wall of the flue. Of course, in other embodiments, on the premise that the guided gas does not affect the driving device of the shutoff valve, the driving device may be disposed in the flue to improve the air tightness of the air outlet flue system. Of course, in order to reduce the cost and simplify the structure of the bag-type dust collector, the cut-off valve can also be a manual valve.

In addition, in this embodiment, the top wall of the flue 9 gradually rises from back to front, so that the cross section of the flue channel surrounded by the flue 9 and the shawl 8 gradually increases from back to front, and further the air pressure in the channel gradually decreases from back to front, so as to promote the flue gas to flow towards the front of the flue 9.

The utility model discloses embodiment 2 of well bag collector, different from embodiment 1, in embodiment 1, the flue passes through the welded mode and fixes on the shawl room undetachably, and simultaneously, for the ease of examining the break valve, set up the operation window on the flue lateral wall, in this embodiment, the flanging is processed out to the lateral wall lower extreme at the flue, and correspond on flanging and shawl room and process out the bolt and wear the dress hole, install the removable seal of flue on shawl room through bolted connection, when needing to overhaul the break valve, pull down the flue can, from this can need not to set up the operation window on the flue.

The utility model discloses well bag collector air-out flue system's embodiment, bag collector air-out flue system are used for installing on bag collector's play dirt storehouse upper portion to the flow direction to the flue gas after the dust removal purification guides, and is specific, and bag collector air-out flue system's concrete structure is the same with the structure and the theory of operation of bag collector's air-out flue system in above-mentioned each embodiment, no longer gives unnecessary details here.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. A bag house outlet air duct system comprising:

the shawl house is used for being arranged at the upper part of the bag type dust collector dedusting bin;

it is characterized by also comprising:

the flue is hermetically buckled above the mantles;

the air guide pipe is connected to the mantle and extends into the flue and is used for communicating the mantle and the flue;

and the on-off valve is arranged on the air duct and is used for controlling the on-off of the air duct.

2. The bag collector air-out flue system of claim 1, wherein the air ducts are arranged in an array, and in the same row of air ducts arranged in the width direction of the shawl, the first and last air ducts are blocked by two side walls in the width direction of the flue to limit the flue.

3. The bag collector air-out flue system of claim 1, wherein an operation window for overhauling the opening valve is opened on the side wall of the flue, and an operation window cover plate for plugging the operation window is installed on the operation window.

4. The bag house outlet flue system of claim 1 or 2, wherein the shut-off valve comprises a drive device, the drive device being located outside the flue.

5. The bag collector air-out flue system of claim 4, wherein an operation window for overhauling the cut-off valve is arranged on the side wall of the flue, an operation window cover plate for plugging the operation window is arranged on the operation window, and the driving device is fixed on the operation window cover plate.

6. A bag house, comprising:

the dust removal bin is internally provided with a plurality of filter bag dust removal device modules;

air-out flue system for the flow direction of the flue gas after the guide dust removal purification, air-out flue system includes:

its characterized in that, air-out flue system still includes:

the flue is hermetically buckled above the mantles;

7. The bag-type dust collector of claim 6, wherein the plurality of air ducts are arranged in an array, and the first and the last air ducts are blocked by two side walls in the width direction of the flue in the same row of air ducts arranged in the width direction of the shawl room to limit the flue.

8. The bag type dust collector of claim 6, wherein an operation window for overhauling the opening and closing valve is arranged on the side wall of the flue, and an operation window cover plate for plugging the operation window is arranged on the operation window.

9. The bag type dust collector of claim 6 or 7, wherein the opening valve comprises a driving device for driving the opening valve to open and close, an operation window for overhauling the opening valve is arranged on the side wall of the flue, an operation window cover plate for plugging the operation window is arranged on the operation window, and the driving device is fixed on the operation window cover plate.

10. The bag house of any of claims 6-8, wherein the on/off valve comprises a drive means for driving the on/off valve, the drive means being fixed to the flue side wall.