CN113058340A - Cement kiln tail is with fire-retardant dust removal filter bag and reinforcing apparatus thereof - Google Patents
Cement kiln tail is with fire-retardant dust removal filter bag and reinforcing apparatus thereof Download PDFInfo
- Publication number
- CN113058340A CN113058340A CN202110368745.3A CN202110368745A CN113058340A CN 113058340 A CN113058340 A CN 113058340A CN 202110368745 A CN202110368745 A CN 202110368745A CN 113058340 A CN113058340 A CN 113058340A
- Authority
- CN
- China
- Prior art keywords
- bag
- filter bag
- inner bag
- bag body
- cement kiln
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
- B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
- B01D39/086—Filter cloth, i.e. woven, knitted or interlaced material of inorganic material
-
- 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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
-
- 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
- B01D46/06—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material with means keeping the working surfaces flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0457—Specific fire retardant or heat resistant properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Inorganic Chemistry (AREA)
- Filtering Materials (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the field of dust-removing filter bags, in particular to a flame-retardant dust-removing filter bag for a cement kiln tail and a reinforcing device thereof. The reinforcing device comprises a clamping cover plate arranged at the upper end of the filter bag body and a reinforcing mechanism arranged in the gap, and the filter bag body, the clamping cover plate and the reinforcing mechanism form an integral flame-retardant dust removal filter bag. When using, the diameter of strengthening mechanism and supporting mechanism's height have been adjusted, and strengthening mechanism sets up between outer bag lateral part and inner bag lateral part, and the laminating of block apron sets up in the upper end at the inner bag top, and the laminating of first snap ring is at the inner wall of inner bag lateral part, and the laminating of second snap ring is at the outer wall of outer bag lateral part, forms holistic fire-retardant dust removal filter bag, to different filter bags, can both convenient to use.
Description
Technical Field
The invention relates to the field of dust-removing filter bags, in particular to a flame-retardant dust-removing filter bag for a cement kiln tail and a reinforcing device thereof.
Background
The dust-removing filter bag is an efficient dust-removing filter material, has good ventilation performance, high dust-removing efficiency and certain acid resistance, alkali resistance and heat resistance, adopts the polygonal napping in the weaving process, improves the thickness of the fabric, is rich in elasticity and has very good dust-removing effect.
The cement kiln tail is the largest dust pollution source of a cement plant, and the total amount of waste gas of the kiln head and the kiln tail accounts for about 60 percent of the total amount of the waste gas of the whole plant. The kiln tail smoke dust is mainly characterized in that: the filter bag has the characteristics of fine particle size and high smoke temperature, and the filter bag is easy to deform after long-time use. And aiming at different cement kiln tails, the reinforcing structure in the cement kiln tail needs to be adjusted in a targeted manner, and the cement kiln tail is inconvenient to use.
Disclosure of Invention
In order to solve the defects mentioned in the background technology, the invention aims to provide a flame-retardant dust-removing filter bag for a cement kiln tail and a reinforcing device thereof.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a fire-retardant dust bag for cement kiln tail, the dust bag includes the filter bag body, and the filter bag body includes outer bag body and inner bag body, and outer bag body is formed by outer bag lateral part and outer bag bottom an organic whole, and the inner bag body is formed by inner bag lateral part and inner bag top an organic whole, and the inner bag top is the portion of bending, and inner bag top and inner bag lateral part set up perpendicularly.
Further, the outer bag body and the inner bag body are both cylindrical, the inner bag body is arranged inside the outer bag body, a gap is formed between the inner bag body and the outer bag body, and the bottom of the side portion of the inner bag is connected with the upper end of the bottom of the outer bag.
Furthermore, the side part of the outer bag and the bottom part of the outer bag are made of the same material, and the outer bag is provided with a first base cloth layer and a needled felt layer from outside to inside respectively, wherein the first base cloth layer is made of alkali-free glass fiber, and the needled felt layer is made of polyester fiber.
Furthermore, the side part and the top part of the inner bag are made of the same material, and are respectively a second base fabric layer and a fiber layer from outside to inside, the second base fabric layer is formed by fiber mesh cloth formed by polyphenylene sulfide fibers in a criss-cross arrangement mode, and the fiber layer is formed by interweaving and tangling warp yarns made of the polyphenylene sulfide fibers and weft yarns made of flame retardant fibers.
The utility model provides a reinforcing apparatus of fire-retardant dust removal filter bag for cement kiln tail, reinforcing apparatus is including setting up the block apron in filter bag body upper end and setting up the reinforcement mechanism in the clearance, and filter bag body, block apron and reinforcement mechanism form holistic fire-retardant dust removal filter bag.
Further, the laminating of block apron sets up the upper end at the inner bag top, and the position that the bottom of block apron is close to the outside is provided with first snap ring, and the position that the bottom of block apron is close to the outside is provided with the second snap ring, and the laminating of first snap ring is at the inner wall of inner bag lateral part, and the laminating of second snap ring is at the outer wall of outer bag lateral part.
Further, the reinforcing mechanism comprises two annular pipes arranged in a mirror image mode, the annular pipes are tightly attached to the outer wall of the side portion of the inner bag and the inner wall of the side portion of the outer bag, at least two limiting blind holes are formed in the side wall of each annular pipe, a first through hole penetrating through the side wall of the annular pipe close to the end portion of one side of the annular pipe is formed in the side wall of the annular pipe, and a through hole is formed in the inner portion of each annular pipe.
Furthermore, the inside of annular pipe is provided with expanding spring, and expanding spring's one end is fixed at the inner wall of through hole, and expanding spring's the other end is fixed with the activity and runs through the annular pole in the annular pipe, and the one end of annular pole is provided with a plurality of second through-holes, and second through-hole and first through-hole set up with one heart and cooperate the connection through spacing pin.
Furthermore, be provided with multiunit supporting mechanism between the ring pipe, supporting mechanism is including rotating first connecting rod and the connecting rod sleeve that sets up in lieing in the top and lieing in the spacing blind hole in below respectively, and first connecting rod bottom is provided with the second connecting rod, second connecting rod and connecting rod sleeve threaded connection.
The invention has the beneficial effects that:
1. the dust removal filter bag comprises an outer bag body and an inner bag body, wherein the outer bag body is formed by integrally forming the side part of the outer bag and the bottom part of the outer bag, the inner bag body is formed by integrally forming the side part of the inner bag and the top part of the inner bag to form two layers of filter bags, the side part of the outer bag and the bottom part of the outer bag are made of the same material, a first base cloth layer and a needle felt layer are respectively arranged from outside to inside, the first base cloth layer is made of alkali-free glass fiber, the needle felt layer is made of polyester fiber, the side part of the inner bag and the top part of the inner bag are made of the same material, a second base cloth layer and a fiber layer are respectively arranged from outside to inside, the second base cloth layer is made of polyphenylene sulfide fiber in a criss-cross arrangement mode to form fiber;
2. the invention designs a reinforcing device which comprises a clamping cover plate arranged at the upper end of a filter bag body and a reinforcing mechanism arranged in a gap, wherein the filter bag body, the clamping cover plate and the reinforcing mechanism form an integral flame-retardant dust removal filter bag.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a filter bag body of the present invention;
FIG. 3 is a schematic cross-sectional view of a filter bag body according to the present invention;
FIG. 4 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 5 is a schematic view of the cover plate structure of the present invention;
FIG. 6 is a schematic view of a stiffening mechanism according to the present invention;
FIG. 7 is a schematic view from a first perspective of the connection of the annular tube and annular rod of the present invention;
FIG. 8 is a schematic view from a second perspective of the annular tube and annular rod connection of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
1-3, the dust-removing filter bag comprises a filter bag body 1, the filter bag body 1 comprises an outer bag body and an inner bag body, the outer bag body is formed by integrally forming an outer bag side portion 11 and an outer bag bottom portion 10, the inner bag body is formed by integrally forming an inner bag side portion 12 and an inner bag top portion 13, the inner bag top portion 13 is a bent portion, and the inner bag top portion 13 and the inner bag side portion 12 are vertically arranged.
The outer bag body and the inner bag body are both cylindrical, the inner bag body is arranged inside the outer bag body, a gap 14 is formed between the inner bag body and the outer bag body, and the bottom of the inner bag side part 12 is connected with the upper end of the outer bag bottom part 10. The outer bag side 11 and the outer bag bottom 10 are made of the same material, and are respectively a first base cloth layer 111 and a needled felt layer 112 from outside to inside, the first base cloth layer 111 is made of alkali-free glass fiber, and the needled felt layer 112 is made of polyester fiber.
The materials of the side part 12 and the top part 13 of the inner bag are the same, the second base fabric layer 121 and the fiber layer 122 are respectively arranged from outside to inside, the second base fabric layer 121 is formed by fiber mesh cloth formed by polyphenylene sulfide fibers arranged in a criss-cross manner, and the fiber layer 122 is formed by interweaving and tangling warp yarns made of polyphenylene sulfide fibers and weft yarns made of flame retardant fibers, so that the purpose of flame retardance can be effectively realized. The cement kiln tail can effectively avoid the combustion phenomenon caused by high temperature when being applied to the cement kiln tail.
The utility model provides a reinforcing apparatus of fire-retardant dust removal filter bag for cement kiln tail, as shown in figure 4, reinforcing apparatus uses in fire-retardant dust removal filter bag for cement kiln tail, and reinforcing apparatus is including setting up block apron 2 and the strengthening mechanism 3 of setting in clearance 14 in filter bag body 1 upper end, and filter bag body 1, block apron 2 and strengthening mechanism 3 form holistic fire-retardant dust removal filter bag.
As shown in fig. 5, the engaging cover 2 is attached to the upper end of the inner bag top 13, a first snap ring 21 is provided at a position near the outer side of the bottom end of the engaging cover 2, a second snap ring 22 is provided at a position near the outer side of the bottom end of the engaging cover 2, the first snap ring 21 is attached to the inner wall of the inner bag side 12, and the second snap ring 22 is attached to the outer wall of the outer bag side 11.
As shown in fig. 6-8, the reinforcing mechanism 3 includes two ring tubes 31 arranged in a mirror image, the ring tubes 31 are closely attached to the outer walls of the inner bag side portion 12 and the inner wall of the outer bag side portion 11, the side wall of the ring tube 31 is provided with at least two blind limiting holes 311, the side wall of the ring tube 31 near one side end portion is provided with a first through hole 313, and the inside of the ring tube 31 is provided with a through hole 312.
The inside of annular pipe 31 is provided with expanding spring 33, and the inner wall at through-hole 312 is fixed to one end of expanding spring 33, and the other end of expanding spring 33 is fixed with the activity and runs through annular pole 32 in annular pipe 31, and the one end of annular pole 32 is provided with a plurality of second through-holes 321, and second through-hole 321 and first through-hole 313 concentric setting just cooperate the connection through spacing pin 34. The annular rod 32 penetrates through the annular tube 31, so that the different second through holes 321 are matched with the different first through holes 313, the size of the whole circle of the annular tube 31 and the annular rod 32 can be adjusted, and the filter bag is convenient to adapt to different filter bags.
Be provided with multiunit supporting mechanism between the ring pipe 31, supporting mechanism is including rotating respectively and setting up first connecting rod 36 and connecting rod sleeve 35 in lieing in the top and lieing in the spacing blind hole 311 in below, and first connecting rod 36 bottom is provided with second connecting rod 361, second connecting rod 361 and connecting rod sleeve 35 threaded connection. Through second connecting rod 361 and connecting rod sleeve 35 threaded connection, can adjust supporting mechanism's overall height, be convenient for be applicable to different filter bags.
When the flame-retardant dust removal filter bag is used, as shown in fig. 1 and 4, the diameter of the reinforcing mechanism 3 and the height of the supporting mechanism are adjusted, the reinforcing mechanism 3 is arranged between the outer bag side portion 11 and the inner bag side portion 12, the clamping cover plate 2 is attached to the upper end of the inner bag top portion 13, the first clamping ring 21 is attached to the inner wall of the inner bag side portion 12, the second clamping ring 22 is attached to the outer wall of the outer bag side portion 11, and the filter bag body 1, the clamping cover plate 2 and the reinforcing mechanism 3 form the integral flame-retardant dust removal filter bag.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (9)
1. The utility model provides a fire-retardant dust bag for cement kiln tail, its characterized in that, dust bag includes filter bag body (1), and filter bag body (1) includes outer bag body and inner bag body, and outer bag body is formed integrally by outer bag lateral part (11) and outer bag bottom (10), and the inner bag body is formed integrally by inner bag lateral part (12) and inner bag top (13), and inner bag top (13) are the portion of bending, and inner bag top (13) and inner bag lateral part (12) set up perpendicularly.
2. The fire-retardant dust removal filter bag for the cement kiln tail as recited in claim 1, wherein the outer bag body and the inner bag body are both cylindrical, the inner bag body is arranged inside the outer bag body, a gap (14) is formed between the inner bag body and the outer bag body, and the bottom of the side portion (12) of the inner bag is connected with the upper end of the bottom portion (10) of the outer bag.
3. The fire-retardant dust-removal filter bag for the cement kiln tail according to claim 1, wherein the materials of the outer bag side portion (11) and the outer bag bottom portion (10) are the same, the first base cloth layer (111) and the needled felt layer (112) are respectively arranged from outside to inside, the first base cloth layer (111) is made of alkali-free glass fiber, and the needled felt layer (112) is made of polyester fiber.
4. The fire-retardant dust removal filter bag for the cement kiln tail according to claim 1, wherein the side portion (12) of the inner bag and the top portion (13) of the inner bag are made of the same material, the second base fabric layer (121) and the fiber layer (122) are respectively arranged from outside to inside, the second base fabric layer (121) is formed by longitudinally and transversely arranging polyphenylene sulfide fibers to form a fiber mesh, and the fiber layer (122) is formed by interweaving and tangling warp yarns made of polyphenylene sulfide fibers and weft yarns made of fire-retardant fibers.
5. The reinforcing device for the flame-retardant dust-removing filter bag for the cement kiln tail is applied to the flame-retardant dust-removing filter bag for the cement kiln tail as claimed in any one of claims 1 to 4, and is characterized by comprising a clamping cover plate (2) arranged at the upper end of a filter bag body (1) and a reinforcing mechanism (3) arranged in a gap (14), wherein the filter bag body (1), the clamping cover plate (2) and the reinforcing mechanism (3) form an integral flame-retardant dust-removing filter bag.
6. The reinforcing device of the flame-retardant dust-removing filter bag for the cement kiln tail according to claim 5, wherein the clamping cover plate (2) is attached to the upper end of the top portion (13) of the inner bag, a first clamping ring (21) is arranged at the position, close to the outer side, of the bottom end of the clamping cover plate (2), a second clamping ring (22) is arranged at the position, close to the outer side, of the bottom end of the clamping cover plate (2), the first clamping ring (21) is attached to the inner wall of the side portion (12) of the inner bag, and the second clamping ring (22) is attached to the outer wall of the side portion (11) of the outer.
7. The reinforcing device of the flame-retardant dust-removing filter bag for the cement kiln tail according to claim 5, wherein the reinforcing mechanism (3) comprises two ring pipes (31) which are arranged in a mirror image mode, the ring pipes (31) are tightly attached to the outer wall of the inner bag side portion (12) and the inner wall of the outer bag side portion (11), the side wall of each ring pipe (31) is provided with at least two limiting blind holes (311), the side wall of each ring pipe (31) close to one side end portion is provided with a first through hole (313) which penetrates through the side wall, and the inside of each ring pipe (31) is provided with a through hole (312).
8. The reinforcing device of the flame-retardant dust-removing filter bag for the cement kiln tail according to claim 7, wherein a telescopic spring (33) is arranged inside the annular tube (31), one end of the telescopic spring (33) is fixed on the inner wall of the through hole (312), the other end of the telescopic spring (33) is fixed with an annular rod (32) movably penetrating through the annular tube (31), one end of the annular rod (32) is provided with a plurality of second through holes (321), and the second through holes (321) and the first through holes (313) are concentrically arranged and are connected in a matched mode through limiting pins (34).
9. The device for reinforcing the flame-retardant dust-removing filter bag for the cement kiln tail as recited in claim 7, wherein a plurality of groups of supporting mechanisms are arranged between the annular pipes (31), each supporting mechanism comprises a first connecting rod (36) and a connecting rod sleeve (35) which are rotatably arranged in the upper limiting blind hole (311) and the lower limiting blind hole (311) respectively, a second connecting rod (361) is arranged at the bottom end of the first connecting rod (36), and the second connecting rod (361) and the connecting rod sleeve (35) are in threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110368745.3A CN113058340A (en) | 2021-04-06 | 2021-04-06 | Cement kiln tail is with fire-retardant dust removal filter bag and reinforcing apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110368745.3A CN113058340A (en) | 2021-04-06 | 2021-04-06 | Cement kiln tail is with fire-retardant dust removal filter bag and reinforcing apparatus thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113058340A true CN113058340A (en) | 2021-07-02 |
Family
ID=76565804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110368745.3A Pending CN113058340A (en) | 2021-04-06 | 2021-04-06 | Cement kiln tail is with fire-retardant dust removal filter bag and reinforcing apparatus thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113058340A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114345023A (en) * | 2022-01-08 | 2022-04-15 | 盐城工学院 | Dust collector who possesses two dust bag |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2036591A (en) * | 1978-12-11 | 1980-07-02 | Zellinger & Zollenberg | Multi layer air filter bag |
| CN206730729U (en) * | 2017-05-25 | 2017-12-12 | 马鞍山市顺达环保设备有限公司 | A kind of sack cleaner impact resistance filter bag |
| CN208512108U (en) * | 2018-07-09 | 2019-02-19 | 盐城工业职业技术学院 | A kind of basalt composite filter material bag of high temperature resistant flue gas ash removal |
| CN209092918U (en) * | 2018-10-11 | 2019-07-12 | 江苏菲斯特滤料有限公司 | A kind of polyphenylene sulfide PO PE NT PTFE |
| CN210302834U (en) * | 2019-07-15 | 2020-04-14 | 安徽中电环保材料股份有限公司 | Glass fiber filtering type dust removal bag |
| CN212327697U (en) * | 2020-04-25 | 2021-01-12 | 抚顺天宇滤材有限公司 | Special filter bag for postpositional desulfurization working condition of sintering machine head in steel industry |
-
2021
- 2021-04-06 CN CN202110368745.3A patent/CN113058340A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2036591A (en) * | 1978-12-11 | 1980-07-02 | Zellinger & Zollenberg | Multi layer air filter bag |
| CN206730729U (en) * | 2017-05-25 | 2017-12-12 | 马鞍山市顺达环保设备有限公司 | A kind of sack cleaner impact resistance filter bag |
| CN208512108U (en) * | 2018-07-09 | 2019-02-19 | 盐城工业职业技术学院 | A kind of basalt composite filter material bag of high temperature resistant flue gas ash removal |
| CN209092918U (en) * | 2018-10-11 | 2019-07-12 | 江苏菲斯特滤料有限公司 | A kind of polyphenylene sulfide PO PE NT PTFE |
| CN210302834U (en) * | 2019-07-15 | 2020-04-14 | 安徽中电环保材料股份有限公司 | Glass fiber filtering type dust removal bag |
| CN212327697U (en) * | 2020-04-25 | 2021-01-12 | 抚顺天宇滤材有限公司 | Special filter bag for postpositional desulfurization working condition of sintering machine head in steel industry |
Non-Patent Citations (1)
| Title |
|---|
| 王浩明等: "《水泥工业袋式除尘技术及应用》", 30 September 2001, 中国建材工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114345023A (en) * | 2022-01-08 | 2022-04-15 | 盐城工学院 | Dust collector who possesses two dust bag |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113058340A (en) | Cement kiln tail is with fire-retardant dust removal filter bag and reinforcing apparatus thereof | |
| CN207889272U (en) | Thermal fabric | |
| CN114259809A (en) | Portable dust removal filter bag | |
| CN205398907U (en) | Substrate - nanofiber composite filter material for bag collector and production facility thereof | |
| CN215195935U (en) | Flame-retardant dust removal filter bag | |
| CN214142702U (en) | Glass fiber yarn with flame-retardant and anti-static effects | |
| CN215137884U (en) | Aramid fiber dust removal filter bag for cement kiln head | |
| CN215939294U (en) | Many densities do not have welding filter screen for chlor-alkali machine | |
| CN212827188U (en) | Breathable fabric | |
| CN214597740U (en) | Density gradually-changed PPS fiber filtering material and filtering bag | |
| CN210251580U (en) | Bag-type dust collector with quickly-replaced filtering device | |
| CN211215885U (en) | Basalt ultra-high temperature flue gas filter bag | |
| CN208065946U (en) | A kind of high-strength high temperature-resistant filter cloth | |
| CN210356605U (en) | Mixed weaving type wire mesh demister | |
| CN220180306U (en) | Compact fabric | |
| CN217026275U (en) | Low noise is two chooses two computer hosiery machines of lifting | |
| CN216330677U (en) | Breathable filtering warp-knitted fabric | |
| CN214885696U (en) | Coating type dense mesh safety vertical net with flame retardant property | |
| CN214646582U (en) | High-antibacterial metallic yarn interwoven fabric | |
| CN213798478U (en) | Textile fabric coating with good flame retardant property | |
| CN215190844U (en) | Flame-retardant shading curtain | |
| CN212280951U (en) | Elastic curtain fabric | |
| CN215901122U (en) | High-temperature-resistant single-cloth double-net coating type super basalt fiber needled felt filter bag | |
| CN215800149U (en) | Flame-retardant high-temperature-resistant linen yarn | |
| CN216231030U (en) | Flax fabric with good wear-resisting effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210702 |
|
| RJ01 | Rejection of invention patent application after publication |