阅读说明：本技术 波形褶皱滤袋及在半干法脱硫除尘超低排放的应用 (Wave-shaped folded filter bag and application thereof in ultra-low emission of semi-dry desulfurization and dust removal ) 是由 丛禾 陈俞百 刘洋 陈凤利 于 2019-11-05 设计创作，主要内容包括：本发明涉及滤袋技术领域,尤其是一种波形褶皱滤袋及在半干法脱硫除尘超低排放的应用。波形褶皱滤袋包括滤袋,所述滤袋的上下均设有定型圈,所述滤袋的底部固接有套筒,所述竖筒的上方连接有圆环,所述圆环通过固定组件与竖筒固定在一起,使得该波形褶皱滤袋的上方和下方为两体连接,因此在多次安装和拆卸之后,即使该波形褶皱滤袋的上方部分损坏,只需要对其上方的竖筒进行更换即可,可以节省部分材料,降低开支,保证滤袋的使用效果,且一旦滤袋部分出现损坏,也可以进行单独的更换,并且褶皱部分,由第一钢圈和第二钢圈定型而成,不需要进行缝制,因此易于加工,并且牢固有效,可以长时间使用,可直接在半干法脱硫除尘超低排放系统中使用。(The invention relates to the technical field of filter bags, in particular to a corrugated filter bag and application thereof in desulfurization and dust removal with a semi-dry method and ultralow emission. The corrugated filter bag comprises a filter bag, the upper part and the lower part of the filter bag are both provided with fixed rings, the bottom of the filter bag is fixedly connected with a sleeve, a circular ring is connected above the vertical cylinder and fixed with the vertical cylinder through a fixing component, the upper part and the lower part of the wave-shaped folded filter bag are connected in a two-body way, so that after being assembled and disassembled for many times, even if the upper part of the wave-shaped folded filter bag is damaged, only the vertical cylinder above the wave-shaped folded filter bag needs to be replaced, can save partial materials, reduce the expenditure, ensure the use effect of the filter bag, and can be independently replaced once the filter bag is partially damaged, and the fold part is formed by shaping the first steel ring and the second steel ring without sewing, so the processing is easy, and the method is firm and effective, can be used for a long time, and can be directly used in a semi-dry desulfurization and dedusting ultra-low emission system.)

1. The utility model provides a wave form fold filter bag, includes the filter bag, its characterized in that, the upper and lower of filter bag all is equipped with the cover ring, the bottom rigid coupling of filter bag has the sleeve, the top of filter bag is equipped with the riser, the bottom of riser is passed through the connecting piece and is linked together with the top of filter bag, the top of riser is connected with the ring, the ring is together fixed through fixed subassembly and riser.

2. The corrugated filter bag as claimed in claim 1, wherein the top of the vertical tube is fixed to the circular ring by sewing, and the top of the sleeve is sewn to the bottom of the filter bag.

3. The corrugated filter bag according to claim 1, wherein the connecting member comprises a retaining ring, an external threaded pipe and an internal threaded pipe, the bottom of the retaining ring is fixedly connected with the top of the external threaded pipe, the inner wall of the retaining ring is flush with the inner wall of the external threaded pipe, the outer wall of the external threaded pipe is in threaded connection with the inner wall of the internal threaded pipe, the top of the internal threaded pipe abuts against the lower portion of the outer wall of the vertical cylinder, the lower portion of the outer side of the retaining ring abuts against the top of the inner wall of the vertical cylinder, a first annular groove is formed in the bottom of the internal threaded pipe, and the inner wall of the first annular groove is fixedly connected with the top of the filter bag through silicone structural adhesive.

4. The corrugated filter bag according to claim 1, wherein the fixing assembly comprises a steel ring and bolts, a second annular groove is formed in the bottom of the steel ring, the inner wall of the second annular groove is in interference fit with the outer wall of the circular ring through a vertical cylinder, eight bolts are connected to the inner side of the steel ring in a threaded manner, and the tail ends of the eight bolts are abutted against the vertical cylinder.

5. A corrugated pleated filter bag according to claim 1, eight of said bolts being equidistantly distributed.

6. The corrugated filter bag according to claim 1, wherein the shape fixing ring comprises a first steel ring and a second steel ring, the outer wall of the second steel ring abuts against the inner wall of the filter bag, and the inner wall of the first steel ring abuts against the outer wall of the filter bag.

7. The application of the corrugated filter bag in the ultra-low emission of semi-dry desulfurization and dust removal is characterized in that the corrugated filter bag as claimed in any one of claims 1 to 6 is applied to a semi-dry desulfurization and dust removal ultra-low emission system.

Technical Field

The invention relates to the technical field of filter bags, in particular to a corrugated filter bag and application thereof in semi-dry desulfurization and dust removal with ultralow emission.

Background

The semidry method flue gas desulfurization is a large-scale commercial desulfurization method and is the most effective and main technical means for controlling the pollution of acid rain and sulfur dioxide. The filter bag is a key part in the operation process of the semidry flue gas desulfurization bag type dust collector, generally, the cylindrical filter bag is vertically hung in the dust collector, the fabric and the design of the filter bag are required to pursue high-efficiency filtration, dust peeling is easy to realize, and the filter bag needs to be taken down to be cleaned at intervals, in the processes of multiple installation and disassembly, the upper part of the filter bag, namely the part connected with the dust collector, is easy to damage, further, dust leakage is caused, the use effect of the filter bag is influenced, and the fold filter bag in the prior art is formed by sewing, the time consumption is more, the filter bag is not easy to process, and the sewing area is easy to crack and is not firm enough.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, the part above a filter bag, namely the part connected with a dust remover, is easy to damage, further causes dust leakage and influences the use effect of the filter bag in the process of repeated installation and disassembly, and the fold filter bag in the prior art is formed by sewing, has more time consumption, is not easy to process, is easy to crack in a sewing area and is not firm enough, and provides a wave-shaped fold filter bag and application thereof in ultra-low emission desulfurization and dust removal by a semi-dry method.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a design a wave form fold filter bag and at application of semidry desulfurization dust removal minimum discharge, includes the filter bag, all be equipped with the decide type circle about the filter bag, the bottom rigid coupling of filter bag has the sleeve, the top of filter bag is equipped with the riser, the bottom of riser is passed through the connecting piece and is linked together with the top of filter bag, the top of riser is connected with the ring, the ring is fixed together through fixed subassembly and riser.

Preferably, the top of the vertical cylinder is fixed with the circular ring through sewing, and the top of the sleeve is sewn with the bottom of the filter bag.

Preferably, the connecting piece includes retaining ring, external screw thread pipe and internal thread pipe, the bottom of retaining ring is in the same place with the top rigid coupling of external screw thread pipe, the inner wall of retaining ring is neat mutually with the inner wall of external screw thread pipe, the outer wall of external screw thread pipe links to each other with the inner wall screw thread of internal thread pipe, the top of internal thread pipe offsets tightly with the outer wall below of vertical cylinder, the outside below of retaining ring offsets tightly with the inner wall top of vertical cylinder, first ring channel has been seted up to the bottom of internal thread pipe, the inner wall of first ring channel is glued through the silicone structure and is in the same place with the top rigid coupling of filter bag.

Preferably, the fixed subassembly includes steel ring and bolt, the second ring channel has been seted up to the bottom of steel ring, the inner wall of second ring channel is through the outer wall interference fit of a vertical cylinder with the ring, the inboard threaded connection of steel ring has eight bolts, eight the end of bolt all offsets tightly with a vertical cylinder.

Preferably, eight of said bolts are equally spaced.

Preferably, the shaping ring comprises a first steel ring and a second steel ring, the outer wall of the second steel ring is tightly propped against the inner wall of the filter bag, and the inner wall of the first steel ring is tightly propped against the outer wall of the filter bag.

Furthermore, the design also provides an application of the corrugated filter bag in the ultra-low emission of semi-dry desulfurization and dust removal, and the design is that the corrugated filter bag is applied to the ultra-low emission system of semi-dry desulfurization and dust removal.

The invention has the beneficial effects that:

this wave form fold filter bag passes through the steel loop, the internal thread pipe, cooperation between retaining ring and the external thread pipe, make the top and the below of this wave form fold filter bag be two body coupling, consequently after installation and dismantlement many times, even the top part of this wave form fold filter bag damages, only need to change to the vertical section of thick bamboo of its top can, can save part material, reduce the spending, guarantee the result of use of filter bag, and in case damage appears in the filter bag part, also can carry out solitary change, and the fold part, it forms by first steel ring and second steel ring design, need not make up, consequently easy processing, and it is firm effective, can use for a long time, can directly be applied to among the ultra-low discharge system of semi-dry desulfurization dust removal.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection relationship between the steel ring, the bolt and the ring in FIG. 1;

FIG. 3 is a schematic view showing the connection relationship between the short pipe, the internally threaded pipe and the vertical cylinder in FIG. 1;

fig. 4 is a schematic view of a connection relationship between the first steel ring, the second steel ring and the filter bag in fig. 1.

Detailed Description

Referring to fig. 1-4, a wave form fold filter bag, including filter bag 6, all be equipped with the shaped ring 3 about filter bag 6, the bottom rigid coupling of filter bag 6 has sleeve 7, sleeve 7 plays the confined effect to the bottom of filter bag 6, the top of filter bag 6 is equipped with riser 4, the bottom of riser 4 is passed through connecting piece 2 and is linked together with the top of filter bag 6, the top of riser 4 is connected with ring 5, ring 5 plays the effect of support to the top of riser 4, ring 5 is together fixed with riser 4 through fixed subassembly 1, the top of riser 4 is together fixed with ring 5 through making up, the top of sleeve 7 is made up together with the bottom of filter bag 6.

The connecting piece 2 comprises a retainer ring 201, an external thread pipe 205 and an internal thread pipe 202, the bottom of the retainer ring 201 is fixedly connected with the top of the external thread pipe 205, the inner wall of the retainer ring 201 is flush with the inner wall of the external thread pipe 205, the outer wall of the external thread pipe 205 is in threaded connection with the inner wall of the internal thread pipe 202, by the cooperation between the externally threaded tube 205 and the internally threaded tube 202, the collar 201 and the internally threaded tube 202 can clamp the vertical tube 4, and then play fixed effect to vertical cylinder 4 and filter bag 6, the top of internal thread pipe 202 offsets tightly with the outer wall below of vertical cylinder 4, the outside below of retaining ring 201 offsets tightly with the inner wall top of vertical cylinder 4, first ring channel 203 has been seted up to the bottom of internal thread pipe 202, the inner wall of first ring channel 203 passes through silicone structure and glues 204 and filter bag 6's top rigid coupling together, silicone structure glues 204 and plays fixed effect to the top of internal thread pipe 202 and filter bag 6.

Fixed subassembly 1 includes steel ring 101 and bolt 102, second annular groove 103 has been seted up to the bottom of steel ring 101, the outer wall interference fit of vertical cylinder 4 and ring 5 is passed through to the inner wall of second annular groove 103, steel ring 101 presss from both sides ring 5 and vertical cylinder 4 through second annular groove 103, the inboard threaded connection of steel ring 101 has eight bolts 102, eight bolts 102's end all offsets tightly with vertical cylinder 4, bolt 102 is to ring 5, vertical cylinder 4 and steel ring 101 play fixed effect, eight bolts 102 equidistance distributes.

The shaped ring 3 comprises a first steel ring 301 and a second steel ring 302, the outer wall of the second steel ring 302 abuts against the inner wall of the filter bag 6, the inner wall of the first steel ring 301 abuts against the outer wall of the filter bag 6, and the first steel ring 301 and the second steel ring 302 play a role in shaping the filter bag 6, so that the 6 circles of the filter bag are all corrugated.

When the corrugated filter bag is used, the second steel ring 302 is firstly placed in the filter bag 6, then the inner wall of the first steel ring 301 is attached to the outer wall of the second steel ring 302, at the moment, the filter bag 6 is arranged between the first steel ring 301 and the second steel ring 302, the first steel ring 301 and the second steel ring 302 can be tightly fixed together, the filter bag 6 is shaped, a circle of the filter bag 6 is ensured to be corrugated, then the internal thread pipe 202 and the external thread pipe 205 are connected together in a threaded manner, the top of the internal thread pipe 202 and the retainer ring 201 clamp the bottom of the vertical cylinder 4 to play a role in fixing, at the moment, the vertical cylinder 4 and the filter bag 6 are fixed together, then the second annular groove 103 at the bottom of the steel ring 101 is sleeved above the outer wall of the vertical cylinder 4, the circular ring 5 is ensured to be also positioned in the second annular groove 103, then the fixing is carried out through the bolt 102, after long-, when the filter bag 6 or the vertical cylinder 4 is damaged, the filter bag 6 or the vertical cylinder 4 can be replaced respectively.