CN110075628B - Manufacturing method of shell of cloth bag type dust collector and cloth bag type dust collector - Google Patents
Manufacturing method of shell of cloth bag type dust collector and cloth bag type dust collector Download PDFInfo
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- CN110075628B CN110075628B CN201910427133.XA CN201910427133A CN110075628B CN 110075628 B CN110075628 B CN 110075628B CN 201910427133 A CN201910427133 A CN 201910427133A CN 110075628 B CN110075628 B CN 110075628B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0001—Making filtering elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
Abstract
The invention discloses a method for manufacturing a shell of a bag type dust collector, which belongs to the technical field of dust collecting equipment and comprises the following steps: laying a plurality of chopped fibers in a mold cavity of a mold; pouring an adhesive formed by mixing phenolic resin and a curing agent into a die cavity, and mixing the adhesive and chopped fibers to form a plate embryonic form; applying preset pressure to the plate blank and carrying out high-temperature heating treatment; cooling the heated plate blank to form a formed plate; machining the cooled and formed plate according to a preset shape to form each component plate of the shell of the bag type dust collector; connecting the constituent plates to form a shell; and coating an adhesive at the splicing part of each component plate. By the arrangement, the manufacturing method of the shell of the cloth bag type dust collector provided by the invention can enable the shell to have strong corrosion resistance, the link of adding an anti-corrosion glass cover in the shell can be omitted, the cost of short carbon fibers is lower than that of other carbon fiber materials, and the production cost can be saved.
Description
Technical Field
The invention relates to the technical field of dust removal equipment, in particular to a manufacturing method of a shell of a bag type dust collector and the bag type dust collector.
Background
The cloth bag type dust collector is a common dust collecting device, comprising a closed shell, a filter bag arranged in the shell, an ash bucket communicated with the shell and other parts, and the working principle is that dust-containing gas enters the shell from a flue gas inlet on the shell and then enters the ash bucket, and a part of coarse dust particles and condensed dust particles directly fall down due to the inertia effect to play a role of pre-collecting dust. The air flow entering the dust hopper is turned again and then flows upwards to the interior of the shell, and when the air flow passes through the filter bag, dust is blocked on the outer surface of the filter bag. The purified gas enters a cleaning chamber which is arranged at the upper part of the filter bag and is formed by the inner wall of the shell, and then the gas is collected to a smoke outlet of the shell to be discharged. In the prior art, an inner wall of a shell of the cloth bag type dust collector is provided with an anticorrosive material, and the anticorrosive material is generally a glass plate made of glass fiber. The individual glass sheets constitute a glass cover embedded within the housing to resist corrosion. However, the bag filter is often used for removing dust from gas generated by burning oil-containing sludge or dust from asphalt in the stirring process, and the gas contacted by the bag filter has high acidity and can generate high corrosivity on a glass plate, a metal supporting frame and a shell. The strong corrosivity causes that the continuous use time of the cloth bag type dust collector is short, the furnace is shut down for maintenance generally about 2 months, the normal production of a factory is influenced, and the maintenance cost is increased.
Therefore, how to improve the corrosion resistance of the dust collector to enhance the service performance of the bag-type dust collector and prolong the maintenance interval becomes a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a method for manufacturing a shell of a cloth bag type dust collector, which uses chopped carbon fibers with strong corrosion resistance to manufacture the shell, and the manufactured shell has stronger corrosion resistance than a glass fiber plate in the prior art, and can enhance the corrosion resistance and the service performance of the cloth bag type dust collector and prolong the maintenance interval of the cloth bag type dust collector. The invention also aims to provide a bag type dust collector comprising the shell.
The invention provides a method for manufacturing a shell of a bag type dust collector, which comprises the following steps:
laying a plurality of chopped carbon fibers in a mold cavity of a mold;
uniformly mixing phenolic resin and a curing agent according to a preset proportion to form an adhesive;
pouring the adhesive into a die cavity, and uniformly mixing the adhesive and the chopped carbon fibers to form a plate blank;
applying preset pressure to the plate blank;
carrying out high-temperature heating treatment on the plate blank;
cooling the heated plate blank to form a formed plate;
machining the cooled and formed plate according to a preset shape to form each component plate of the shell of the bag type dust collector;
connecting each of the component plates to form the shell;
and coating the adhesive at the joint of each component plate.
Preferably, the predetermined pressure is between 0.8 mpa and 1.2 mpa.
Preferably, the preset ratio of the phenolic resin to the curing agent is 97:3-92: 8.
Preferably, the high-temperature heating treatment comprises firstly heating the plate blank at 95-100 ℃ for 1-1.2 hours, and then heating the plate blank at 120-130 ℃ for 3-3.5 hours.
A cloth bag type dust collector comprises a shell, wherein the shell comprises all component plates which are connected with one another, the component plates are made of the same material and comprise chopped carbon fiber materials, the chopped carbon fibers are bonded together through an adhesive, and the adhesive is a mixture of phenolic resin and a curing agent.
Preferably, the dust-laden gas filter further comprises a filter bag for filtering dust-laden gas and a support frame for supporting the filter bag, wherein the support frame is connected to the shell and is made of the same plate material as the shell.
Preferably, the content of the curing agent in the adhesive is 3% to 8%.
Preferably, each constitute panel including be used for as the casing of the lateral wall of casing is dull and stereotyped, be used for connecting two differences the casing arris board of lateral wall and be used for connecting three not equidirectional the casing apex angle of casing arris board, the casing arris board includes mutually perpendicular and along length direction fixed connection's two flat boards, in order to form a concatenation groove, the casing apex angle is provided with the spread groove that is located three not equidirectional respectively, for the casing arris board inserts.
Preferably, all the composition plates are spliced in a lap joint mode, the splicing surfaces of the shell flat plates are provided with first step surface structures, and the splicing surfaces of the shell edge plates along the length direction are all provided with second step surface structures matched with the first step surface structures, the end surfaces of two ends of the shell edge plate along the length direction are provided with third step surface structures, the top angle of the shell comprises a first groove body and a second groove body which have the same shape, the first tank body and the second tank body are respectively composed of three flat plates which are vertically connected with each other in pairs, the second cell body cover is established in the first cell body and the two opening direction unanimous, the dull and stereotyped of second cell body with the dull and stereotyped three that all has fourth step face structure of formation of first cell body the spread groove, fourth step face structure with third step face structure looks adaptation.
Preferably, a sealing gasket is arranged at the joint of the support frame and the shell.
According to the technical scheme provided by the invention, the method for manufacturing the shell of the bag type dust collector comprises the steps of firstly bonding the chopped carbon fibers together through an adhesive, and curing and forming the chopped carbon fibers in a pressurizing and heating mode to manufacture the carbon fiber plate, wherein the carbon fiber plate has strong corrosion resistance; then machining the carbon fiber plate to manufacture each component plate of the shell; and finally, splicing all the component plates to form a shell, and smearing adhesive at the spliced positions of all the component plates to enhance the sealing property of the shell. By the arrangement, the manufacturing method of the shell of the cloth bag type dust collector provided by the invention can enable the shell of the cloth bag type dust collector to have strong corrosion resistance and sealing performance, can enhance the corrosion resistance and the service performance of the cloth bag type dust collector and prolong the maintenance interval of the cloth bag type dust collector, can also save the link of adding an anti-corrosion glass cover in the shell, and has lower cost of short carbon fiber than other carbon fiber materials, thereby saving the production cost.
Meanwhile, the invention also provides a bag type dust collector which comprises a shell. Wherein, its casing adopts the carbon fiber sheet material preparation that has strong corrosion resistance to improve corrosion resistance. The plate comprises a plurality of chopped carbon fibers, wherein the chopped carbon fibers are bonded together through an adhesive, and the carbon fibers have higher corrosion resistance than metal materials and glass fibers, so that the plate made of the chopped carbon fibers has higher corrosion resistance compared with a glass steel plate in the prior art; the chopped carbon fibers in the plate are arranged in a mutually crossed and laminated mode, so that plate gaps can be avoided, and the tightness can be improved. By adopting the arrangement, the shell of the cloth bag type dust collector manufactured by the plate has strong corrosion resistance, and compared with the cloth bag type dust collector in the prior art, the cloth bag type dust collector provided by the invention has strong corrosion resistance, can improve the service performance and prolong the maintenance interval, can save the link of adding an anti-corrosion glass cover in the shell, and has lower cost of short carbon fiber than other carbon fiber materials, thereby obviously saving the production cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a method for manufacturing a housing of a bag house dust collector in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a housing of a bag house dust collector in an embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of a bag collector in an embodiment of the present invention;
FIG. 4 is a schematic view of a housing plate according to an embodiment of the present invention;
FIG. 5 is a schematic view of a top corner structure of the housing according to an embodiment of the present invention;
FIG. 6 is a schematic view of a housing rib in an embodiment of the present invention;
FIG. 7 is a schematic diagram of the housing of the embodiment of the present invention;
fig. 8 is a schematic view of a supporting frame according to an embodiment of the present invention.
In fig. 2-8:
the device comprises a shell-1, a flue gas inlet-2, a flue gas outlet-3, a filter bag-4, a dust hopper-5, a soot blower-6, a fixed frame-7, a shell flat plate-8, a shell vertex angle-9, a shell edge plate-10, a support frame-11, a first step surface structure-12, a second step surface structure-13, a third step surface structure-14 and a fourth step surface structure-15.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
An object of the present embodiment is to provide a bag collector, in which a housing is made of a carbon fiber plate with strong corrosion resistance, and compared with the prior art, the bag collector has higher corrosion resistance, and can enhance the usability of the bag collector and prolong the maintenance interval thereof. The purpose of the present embodiment is also to provide a method for manufacturing the housing of the bag-type dust collector.
Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the contents of the invention recited in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.
Referring to fig. 1-2, this embodiment provides a method for manufacturing a shell of a bag filter, in which chopped carbon fibers are first laid in a mold, and a mold cavity of the mold may be a rectangular parallelepiped or may be in conformity with the shape of a plate constituting the shell 1; then injecting a bonding agent formed by mixing phenolic resin and a curing agent into the die cavity, and infiltrating the chopped carbon fibers with the bonding agent to form a plate prototype; applying pressure to the plate blank, and simultaneously carrying out high-temperature heating treatment to ensure that the adhesive uniformly infiltrates the chopped carbon fibers as much as possible and extrudes gas in the plate blank to prevent excessive pores; cooling the heated plate blank to finish resin solidification and form a formed plate; machining the formed sheet material in accordance with a preset shape required for the constituent housing 1 to form the respective constituent sheet materials constituting the housing 1; connecting the constituent plates to form a housing 1; and finally, coating an adhesive on the splicing positions of all the component plates to enhance the sealing property. So set up, the preparation method of the sack cleaner casing that this embodiment provided can make casing 1 have the strong corrosion resistance of carbon fiber, also have stronger leakproofness, its panel has stronger compactness, can improve sack cleaner's corrosion resisting property and performance, the maintenance interval of extension sack cleaner, and the expense of short carbon fiber is lower than other carbon fiber material's expense, can save the link at 1 internally mounted glass cover of casing simultaneously, thereby practice thrift the cost more.
Preferably, the pressure applied to the blank sheet is 0.8-1.2 MPa, and the pressure value is moderate, so that the gas in the blank sheet can be extruded out, and the phenomenon that most of the adhesive is extruded to the bottom end of the die cavity to cause uneven mixing can be prevented. The heating treatment is the necessary condition for curing the phenolic resin, and in the prior art, the heating is carried out for 4 hours at the temperature of 70 ℃, and the re-pressurization treatment is carried out for re-curing after cooling. In this embodiment, the high-temperature heating treatment is set to first heat the plate blank at 95-100 ℃ for 1-1.2 hours, and then heat the plate blank at 120-130 ℃ for 3-3.5 hours. The heating temperature is increased gradually, so that the plate can be cured and formed at one time on the basis of one-time pressurization, and the procedure of re-curing is cancelled.
The proportion of the phenolic resin and the curing agent is 97:3-92:8, the proportion is selected according to the curing temperature and the curing time, the curing of the phenolic resin can be accelerated, the excessive curing can be prevented, the infiltration of the resin to fibers can be prevented, the curing speed can enable the gas in the board prototype to escape when the board prototype is subjected to the heating treatment, the board prototype can be prevented from having a plurality of bubbles or pores after being formed, and the performance of the board can be reduced. Thus, the cured and formed plate has low porosity.
As shown in fig. 2 and fig. 3, the bag-type dust collector provided in this embodiment and the bag-type dust collector in the prior art both include a housing 1, a filter bag 4 located inside the housing 1, a soot blower 6, a dust hopper 5 connected below the filter bag 4, a fixing frame 7 for supporting the housing 1, and a flue gas inlet 2 and a flue gas outlet 3 located on the housing 1 for the inlet and outlet of flue gas. In the dust removal process, dust-containing gas enters the shell 1 from the flue gas inlet 2 and firstly enters the dust hopper 5 through a pipeline, and a part of coarse dust particles and condensed dust groups directly fall down due to the inertia effect to play a role of pre-collecting dust. The air flow entering the hopper 5 is deflected upwards into the housing 1 and, when passing through the filter bag 4, the dust is retained on the outer surface of the filter bag 4. The purified gas enters a clean room formed by the shell 1 at the upper part of the filter bag 4 and is collected to the smoke outlet 3 to be discharged.
In the cloth bag type dust collector provided by the embodiment, the shell 1 is made of a carbon fiber plate with strong corrosion resistance, the carbon fiber plate is made of chopped carbon fibers, and a plurality of chopped carbon fibers are arranged in a mutually laminated and crossed mode and are bonded together through an adhesive. The chopped carbon fibers have stronger corrosion resistance than materials such as glass fibers, and the chopped carbon fibers are arranged in a mutually crossed and laminated mode and mutually connected and bonded into a whole, so that the formed plate has no plate gap, and the tightness and the corrosion resistance are further enhanced; the adhesive is a mixture of phenolic resin and a curing agent, so that the adhesive can uniformly infiltrate the chopped carbon fibers and is rapidly cured, the pore volume of the formed plate is reduced, the compactness and the corrosion resistance of the plate are improved, and any area of the plate has strong corrosion resistance. The shell 1 of the cloth bag type dust collector manufactured by the plate can enable the shell 1 to have strong corrosion resistance, compared with the cloth bag type dust collector in the prior art, the cloth bag type dust collector provided by the embodiment has the strong corrosion resistance, the link of adding an anti-corrosion glass cover in the shell 1 can be omitted, the cost of short carbon fibers is lower than that of other carbon fiber materials, and the production cost can be saved.
The content of the curing agent in the adhesive is 3% -8%, so that the panel can be rapidly cured, and the removal time of internal gas of the panel is also ensured. If the curing agent is less, the curing time of the plate can be prolonged; if the curing agent is too much, the curing speed is too high, so that the impregnation of the chopped carbon fibers by the resin is hindered, pores exist in the formed plate, and the compactness and the corrosion resistance are reduced.
The bag-type dust collector in the embodiment further comprises a support frame 11 for supporting the filter bag 4, and the support frame 11 is connected inside the shell 1 and is used for supporting and fixing the filter bag 4. In order to improve the service performance of the bag-type dust collector, the supporting frame 11 can also be made of carbon fiber materials, and can be made of plates the same as the shell 1, so that the corrosion resistance of the supporting frame 11 can be enhanced, the maintenance interval of the bag-type dust collector can be prolonged, and the shell 1 and the supporting frame 11 can be processed together conveniently.
Specifically, each constituent plate of the housing 1 includes a housing flat plate 8, a housing ridge plate 10, and a housing apex angle 9. The housing plate 8 consists of a single plate and is used for splicing to form the side walls of the housing 1. The housing ridge plate 10 is composed of two flat plates which are vertically connected with each other, the length directions of the two flat plates are the same, and an L-shaped splicing groove is formed, so that one end of each of the housing flat plates 8 in the two directions extends into the splicing groove to connect the side walls in the two different directions. So set up, both can form the casing edge, avoid concatenation department to form the contained angle, can strengthen the steadiness and the leakproofness of concatenation department again. The casing apex angle 9 can be by a plate group, be provided with the spread groove that three not equidirectional and cross section are "L" type, also can be by three two liang of mutually perpendicular dull and stereotyped connections constitution cell body, the opening of three not equidirectional of cell body forms the spread groove that three cross section is "L" type, can supply the respective one end of the casing arris board 10 of three direction to stretch into, with the casing arris board 10 of connecting three direction and form firm connection apex angle, and strengthened the leakproofness of junction. So set up, as shown in fig. 7, casing 1 can constitute the panel concatenation by each and form, with the constitution modularization of casing 1, not only make processing and the constitution of casing 1 convenient, still strengthened casing 1's leakproofness.
Further, in order to enhance the sealing performance, the splicing of all the component plates adopts a lap joint mode. As shown in fig. 4, the splicing surfaces of the housing flat plates 8 are provided with first step surface structures 12, and the openings of the step surfaces of the splicing surfaces may face in the same direction, or two of the openings face in the same direction, and the other two openings face in the opposite direction. The step surfaces of the two housing plates 8 are in contact and abut against each other to form an overlap joint. As shown in fig. 6, the splicing surface of the housing edge plate 10 along the length direction is used for splicing with the housing flat plate 8 and is provided with a second step surface structure 13 matched with the first step surface structure 12. The step surfaces of the first step surface structure 12 and the second step surface structure 13 are contacted with each other and tightly abutted against each other, so that the shell flat plate 8 and the shell edge plate 10 are overlapped. As shown in fig. 6, the end faces of the two ends of the housing edge plate 10 in the longitudinal direction are provided with third step surface structures 14. As shown in fig. 5, the housing vertex angle 9 includes a first groove body and a second groove body with the same shape, the two groove bodies are composed of three flat plates which are mutually perpendicular in pairs, the second groove body is sleeved in the first groove body, and the opening directions of the two groove bodies are the same. So, three dull and stereotyped the range upon range of three connecting groove that form to have fourth step face structure 15 of placing of three flat board of first cell body and second cell body, three connecting groove intercommunication each other. The step surfaces of the fourth step surface structure 15 and the third step surface structure 14 are in contact with each other and are abutted tightly, so that the top end of the shell edge plate 10 is in lap joint with the shell vertex angle 9, the shell edge plates 10 in three different directions are firmly connected with each other through the shell vertex angle 9, and the sealing performance of the shell 1 is also enhanced. As shown in fig. 7, the constituent plates of the casing 1 are combined in an overlapping manner, which not only facilitates splicing of the constituent plates, but also enhances the stability and sealing performance of the casing 1.
As shown in fig. 8, the supporting frame 11 includes a bottom plate and side plates perpendicular to the end surface of the bottom plate and connected to four side surfaces of the bottom plate, and a plurality of through holes are distributed on the bottom plate and arranged in sequence. The opening end of the filter bag 4 of the cloth bag type dust collector is spread and connected with the through hole. The side plate of the support frame 11 is connected with the shell 1, the side plate can be connected on the inner wall of the shell 1 through fastening screws or the upper end surface and the lower end surface of the side plate are in butt joint with the shell flat plate 8, and a sealing gasket is arranged at the butt joint position to enhance the sealing property.
So set up, casing 1's sealing performance obtains obviously improving, can prevent that gas from causing the degree of difficulty of corruption, increase maintenance to each concatenation face of concatenation department, also can prevent that gas is excessive outward.
The corrosion resistance test is performed on the bag-type dust collector provided by the embodiment and the bag-type dust collector in the prior art in an environment with a PH value of 4, the time for peeling off the surface layer of the housing 1 of the bag-type dust collector provided by the embodiment is not less than 2 years, the time for peeling off the surface layer of the glass fiber reinforced plastic inner cover of the bag-type dust collector in the prior art is 2 months to 6 months, the interval period for overhauling the housing 1 of the bag-type dust collector provided by the embodiment is 6 months, and the interval period for overhauling the glass fiber reinforced plastic inner cover of the bag-type dust collector in the prior art is 3 months, so that it can be known that the housing 1 of the bag-type dust collector provided by the embodiment has stronger corrosion resistance.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The multiple schemes provided by the invention comprise basic schemes, are independent from each other and are not restricted with each other, but can be combined with each other under the condition of no conflict, so that multiple effects are realized together.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A manufacturing method of a shell of a bag type dust collector is characterized by comprising the following steps:
laying a plurality of chopped carbon fibers in a mold cavity of a mold, the plurality of chopped carbon fibers being arranged in an interdigitated manner;
uniformly mixing phenolic resin and a curing agent according to a preset ratio to form an adhesive, wherein the preset ratio of the phenolic resin to the curing agent is 97:3-92: 8;
pouring the adhesive into a die cavity, and mixing the adhesive and the chopped carbon fibers to form a plate blank;
applying preset pressure to the plate blank;
carrying out high-temperature heating treatment on the plate blank;
cooling the heated plate blank to form a formed plate;
machining the cooled and formed plates according to a preset shape to form each component plate of the shell (1) of the bag type dust collector;
connecting the constituent plates to form the housing (1);
and coating the adhesive at the joint of each component plate.
2. The method of claim 1, wherein the predetermined pressure is between 0.8 mpa and 1.2 mpa.
3. The method of claim 1, wherein the high temperature heating comprises heating the blank sheet at 95-100 degrees celsius for 1-1.2 hours and then heating the blank sheet at 120-130 degrees celsius for 3-3.5 hours.
4. A cloth bag type dust collector comprises a shell (1), and is characterized in that the shell (1) comprises component plates which are connected with each other, the component plates are made of the same material and comprise chopped carbon fiber materials, a plurality of chopped carbon fibers are arranged in a mutually-stacked and crossed mode and are bonded together through an adhesive, the adhesive is a mixture of phenolic resin and a curing agent, and the content of the curing agent in the adhesive is 3% -8%.
5. The bag collector as claimed in claim 4, further comprising a filter bag (4) for filtering dust-laden gas and a support frame (11) for supporting the filter bag (4), the support frame (11) being connected to the housing (1) and being made of the same sheet material as the housing (1).
6. The bag collector of claim 4, wherein each of the component plates comprises a housing flat plate (8) serving as a side wall of the housing (1), a housing edge plate (10) for connecting two different side walls, and a housing corner angle (9) for connecting three housing edge plates (10) in different directions, the housing edge plate (10) comprises two flat plates which are perpendicular to each other and fixedly connected along a length direction to form a splicing groove with an L-shaped cross section, and the housing corner angle (9) is provided with L-shaped connecting grooves in three different directions for the housing edge plates (10) to be inserted.
7. The cloth bag dust collector of claim 6, wherein each of the component plates is spliced in an overlapping manner, a first step surface structure (12) is provided on the spliced surface of the housing flat plate (8), a second step surface structure (13) matched with the first step surface structure (12) is provided on the spliced surface of the housing edge plate (10) along the length direction, third step surface structures (14) are provided on the end surfaces of the housing edge plate (10) along the length direction, the housing apex angle (9) comprises a first groove body and a second groove body which are identical in shape, the first groove body and the second groove body are respectively composed of three flat plates which are mutually and vertically connected in pairs, the second groove body is sleeved in the first groove body and has the same opening direction, the flat plates of the second groove body and the flat plates of the first groove body form three connecting grooves each having a fourth step surface structure (15), and the fourth step surface structure (15) is matched with the third step surface structure (14).
8. The bag house of claim 5, characterized in that a sealing gasket is arranged at the connection of the support frame (11) and the housing (1).
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| CN201910427133.XA CN110075628B (en) | 2019-05-22 | 2019-05-22 | Manufacturing method of shell of cloth bag type dust collector and cloth bag type dust collector |
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| CN201910427133.XA CN110075628B (en) | 2019-05-22 | 2019-05-22 | Manufacturing method of shell of cloth bag type dust collector and cloth bag type dust collector |
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| CN110075628B true CN110075628B (en) | 2021-08-06 |
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| JP2009213994A (en) * | 2008-03-10 | 2009-09-24 | Toyo Tanso Kk | Partition plate for dust collector and dust collector |
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| CN106731298A (en) * | 2016-12-19 | 2017-05-31 | 内蒙古万鼎科技有限公司 | A kind of sack cleaner and its manufacture method |
| CN108031201A (en) * | 2018-01-30 | 2018-05-15 | 青岛万泰源环保设备工程有限公司 | One kind can assembled standard pocket deduster |
| CN109251332A (en) * | 2018-08-20 | 2019-01-22 | 浙江亚太机电股份有限公司 | A kind of chopped carbon fiber reinforced phenolic resin base composite and preparation method thereof |
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2019
- 2019-05-22 CN CN201910427133.XA patent/CN110075628B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009213994A (en) * | 2008-03-10 | 2009-09-24 | Toyo Tanso Kk | Partition plate for dust collector and dust collector |
| CN104387719A (en) * | 2014-10-29 | 2015-03-04 | 陈精明 | Fiber-reinforced phenolic resin-based composite material and preparation method thereof |
| CN104512038A (en) * | 2015-01-05 | 2015-04-15 | 江西科技学院 | Notebook computer case forming method |
| CN106731298A (en) * | 2016-12-19 | 2017-05-31 | 内蒙古万鼎科技有限公司 | A kind of sack cleaner and its manufacture method |
| CN108031201A (en) * | 2018-01-30 | 2018-05-15 | 青岛万泰源环保设备工程有限公司 | One kind can assembled standard pocket deduster |
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