CN218187990U - Dioxin collecting device - Google Patents
Dioxin collecting device Download PDFInfo
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- CN218187990U CN218187990U CN202221627122.XU CN202221627122U CN218187990U CN 218187990 U CN218187990 U CN 218187990U CN 202221627122 U CN202221627122 U CN 202221627122U CN 218187990 U CN218187990 U CN 218187990U
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Abstract
The utility model provides a dioxin collecting device, which comprises a cylindrical first shell, wherein an adsorbing material is arranged in the first shell; further comprising: the second shell is provided with a first inlet, a first outlet, a second inlet and a second outlet; the flow guide component and the isolating piece are arranged in the second shell; the outer diameter of the closed end of the flow guide component is gradually increased, the open end of the flow guide component is fixed on the bottom wall of the second shell, and the bottom of the side wall of the flow guide component is provided with a plurality of through holes communicated with the inside and the outside; the inner side of the isolating piece is provided with spiral teeth, and a spiral channel is formed between the isolating piece and the outer wall of the flow guide component; the connecting piece is provided with a central hole, one ends of the second shell and the isolating piece are respectively fixed on one side of the connecting piece, a closed space is formed among the second shell, the isolating piece and the connecting piece, and the second inlet and the second outlet are respectively communicated with the closed space; the lid is fixed at the opposite side of connecting piece, and gas inlet sets up on the lid, and the filter setting is in the lid. The utility model has the advantages of simple structure, etc.
Description
Technical Field
The utility model relates to a gas treatment, in particular to dioxin collection device.
Background
The filtering condensation method is a specified use method for manually sampling the dioxin in the flue gas in a short term by the current national standard HJ-77.2-2008; with reference to european standard EN 1948-5, the long-term sampling method is expected to remain consistent with current methods. The unit for collecting dioxin by using a filtering and condensing method generally comprises a sampling filter cylinder (paper), a flue gas condensing unit, a gas phase adsorption column, a liquid phase collecting bottle and the like, such as an automatic continuous sampling system for dioxin used by the zhongrui in Qingdao. The technical proposal has the following defects:
1. the sample needs to be disassembled and carried more units during inspection, the process is complicated, the overhead working time is long, and the maintenance cost is high.
2. The complicated connecting pipeline easily causes sample loss.
3. Compare in Europe and America, the particulate matter of domestic waste incineration factory flue gas, acidic material content are bigger, cause pipeline residue, filter membrane jam more easily when long-term sampling to and adsorbing material pierces through, finally influence the dioxin sampling value.
4. The amount of condensed water in the sampled flue gas is huge for a long time, and a collecting bottle needs to be additionally designed, so that the volume of equipment is increased.
SUMMERY OF THE UTILITY MODEL
For solving the not enough among the above-mentioned prior art scheme, the utility model provides a dioxin collection device.
The utility model aims at realizing through the following technical scheme:
the device comprises a dioxin collecting device, a filter and a controller, wherein the dioxin collecting device comprises a cylindrical first shell, and an adsorbing material is arranged in the first shell; the dioxin collecting device further comprises:
a second housing having a first inlet, a first outlet, a second inlet, and a second outlet;
the flow guide component and the isolating piece are arranged in the second shell from inside to outside; one end of the flow guide component is closed, the other end of the flow guide component is opened, the outer diameter of the closed end is gradually increased, the open end is fixed on the bottom wall of the second shell, and the bottom of the side wall of the flow guide component is provided with a plurality of through holes communicated with the inside and the outside; the inner side of the isolating piece is provided with spiral teeth, and a spiral channel is formed between the isolating piece and the outer wall of the flow guide component;
the connecting piece is provided with a central hole, one ends of the second shell and the isolating piece are respectively fixed on one side of the connecting piece, a closed space is formed among the second shell, the isolating piece and the connecting piece, and the second inlet and the second outlet are respectively communicated with the closed space;
the cover body is fixed on the other side of the connecting piece, the gas inlet is formed in the cover body, and the filter is arranged in the cover body; the gas to be treated sequentially passes through the gas inlet, the filter, the central hole, the first inlet, the spiral channel, the through hole, the inside of the flow guide component, the first outlet and the inside of the first shell.
Compared with the prior art, the utility model discloses the beneficial effect who has does:
1. the structure is simple;
the integrated design of filtration, condensation and adsorption, the flow path is simplified, the disassembly and the inspection are convenient, and the loss caused by dioxin (PCDD/F) in the disassembly and assembly process is reduced;
2. the reliability is good;
the design of the cylindrical support piece and the filter membrane greatly increases the filtering area of the particulate matter, is improved by more than 3 times compared with a single-layer filter membrane and is improved by more than 2 times compared with a conventional filter cylinder, and can meet the long-term sampling requirement;
the heat exchange efficiency in the condensation process is fully ensured by adopting the heat exchange flow path design combining the flow guide component and the spiral gas channel;
the combined adsorption device of PUF (filter medium filled in the cover body) and XAD-2 resin (adsorption material) is adopted, so that the sampling loss caused by penetration of dioxin substances is reduced;
flue gas comdenstion water is through adsorption equipment, and dioxin class is fully adsorbed in the liquid phase, ensures not remaining in the condensate, and the condensate can the evacuation not collect, has solved the too big problem of collecting bottle that leads to that the water content is higher, the long-term sampling condensate water yield is big in the flue gas.
Drawings
The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: these drawings are only intended to illustrate the technical solution of the present invention and are not intended to limit the scope of the present invention. In the figure:
fig. 1 is a schematic structural diagram of a dioxin collecting device according to the embodiment of the present invention.
Detailed Description
Fig. 1 and the following description depict alternative embodiments of the invention to teach those skilled in the art how to make and reproduce the invention. For explaining the technical solution of the present invention, some conventional aspects have been simplified or omitted. Those skilled in the art will appreciate variations or substitutions from these embodiments that will be within the scope of the invention. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the invention. Accordingly, the present invention is not limited to the following alternative embodiments, but is only limited by the claims and their equivalents.
Example 1:
fig. 1 schematically shows a schematic structural diagram of a dioxin collecting device according to an embodiment of the present invention, as shown in fig. 1, the dioxin collecting device includes:
a first cylindrical casing 11 in which an adsorbent 12 is disposed;
a second housing 21 having a first inlet, a first outlet, a second inlet 22 and a second outlet;
a flow guide member 31 and a spacer 41, the flow guide member 31 and the spacer 41 being disposed inside the second housing 21 from the inside to the outside; one end of the flow guide component 31 is closed, and the other end of the flow guide component is open, the outer diameter of the closed end is gradually increased, the open end is fixed on the bottom wall of the second shell 21, and the bottom of the side wall of the flow guide component 31 is provided with a plurality of through holes 32 for communicating the inside and the outside; the inner side of the isolating piece 41 is provided with spiral teeth 42, and a spiral channel 43 is formed between the isolating piece 41 and the outer wall of the flow guide component 31;
a connecting member 51, wherein the connecting member 51 has a central hole, one end of the second housing 21 and one end of the isolating member 41 are respectively fixed on one side of the connecting member 51, a closed space 23 is formed among the second housing 21, the isolating member 41 and the connecting member 51, and the second inlet 22 and the second outlet are respectively communicated with the closed space 23;
a cover 81 and a filter 71, wherein the cover 81 is fixed on the other side of the connecting piece 51, a gas inlet 82 is arranged on the cover 81, and the filter 71 is arranged in the cover 81; the gas to be treated sequentially passes through the gas inlet 82, the filter 71, the central hole, the first inlet, the spiral channel 23, the through hole 32, the inside of the flow guide part 31, the first outlet and the inside of the first shell 11.
In order to improve the reliability of the long-term operation, the filter 71 further includes a first support member and a first filter membrane, the first support member is used for supporting the first filter membrane and is fixed on a bearing member, and the bearing member is clamped in a groove of the connecting member 51 surrounding the central hole.
In order to improve the reliability of long-term operation, further, the dioxin collecting device further includes:
a second filter membrane and a second support 52, which are in turn arranged inside said groove.
In order to improve the reliability of long-term operation, the cover 81 is further filled with a filter medium, and the gas to be treated passes through the filter medium, the filter membrane and the central hole in sequence.
In order to improve the reliability of long-term operation, further, the dioxin collecting device further includes:
and a heat insulator 61, wherein the heat insulator 61 is cylindrical and is arranged between the connecting piece 51 and the cover body 81.
In order to monitor the temperature in real time, further, the dioxin collecting device further includes:
an end cap 91, said end cap 91 for closing said first outlet and having a third outlet;
and the three-way joint 92 is provided with a first channel 94, a second channel and a third channel which are communicated with each other, the first channel 94 is communicated with the third outlet, and a temperature sensor 93 is arranged in the second channel.
Example 2:
according to the utility model discloses dioxin collection device's application example.
In the present application example, as shown in fig. 1, the first housing 11, the second housing 21, the connector 51, and the heat insulator 61 are all cylindrical; the cover body, the heat insulation piece 61, the connecting piece 51, the second shell 21, the first shell 11, the end cover 91 and the three-way joint 92 are sequentially arranged and connected, wherein the two ends of the first shell 1 are respectively provided with external threads which are matched with the internal threads of the end cover 91 and the second shell 21, and then are matched with sealing rings, so that the connection and the sealing between the first shell 11 and the end cover 91 as well as between the first shell 21 are realized; fixing the opening end of the flow guide member 31 to the bottom wall of the second housing 21 with a screw;
the connecting piece 51 is provided with a central hole and a groove surrounding the central hole, the bearing piece, the second filtering membrane and the second supporting piece 52 (made of sintered glass) are sequentially arranged in the groove, the filter 71 is a cylindrical first supporting piece and a cylindrical first filtering membrane (made of polymer quartz), and the cover body 81 is filled with a filtering medium, such as PUA;
the three-way joint 92 has a first passage 94, a second passage and a third passage which are communicated with each other, the first passage 94 is positioned in the third outlet, and a temperature sensor 93 is arranged in the second passage.
The dioxin collecting device of this embodiment has the working mode:
the gas to be treated enters the cover body through the gas inlet 82, and meanwhile, the refrigerating medium enters the closed space 23 from the second inlet 22, so that the temperature in the closing part 41 and the spiral channel 43 is reduced;
the gas to be treated sequentially passes through the gas inlet 82, the filter medium, the filter 71, the second filter membrane, the second support 52, the central hole and the first inlet, then impacts the closed end of the flow guide part 31, is guided into the spiral channel on the outer edge of the flow guide part 31, then passes through the through hole 32, the inside of the flow guide part 31, the first outlet and the inside of the first shell 11, and dioxin is adsorbed by the adsorbing material 12;
the gas passes through the end cap 91 and the tee fitting 92.
Claims (10)
1. The device comprises a dioxin collecting device, a filter and a controller, wherein the dioxin collecting device comprises a cylindrical first shell, and an adsorbing material is arranged in the first shell; its characterized in that, dioxin collection device still includes:
a second housing having a first inlet, a first outlet, a second inlet, and a second outlet;
the flow guide component and the isolating piece are arranged in the second shell from inside to outside; one end of the flow guide component is closed, the other end of the flow guide component is opened, the outer diameter of the closed end is gradually increased, the open end is fixed on the bottom wall of the second shell, and the bottom of the side wall of the flow guide component is provided with a plurality of through holes communicated with the inside and the outside; the inner side of the isolating piece is provided with spiral teeth, and a spiral channel is formed between the isolating piece and the outer wall of the flow guide component;
the connecting piece is provided with a central hole, one ends of the second shell and the isolating piece are respectively fixed on one side of the connecting piece, a closed space is formed among the second shell, the isolating piece and the connecting piece, and the second inlet and the second outlet are respectively communicated with the closed space;
the cover body is fixed on the other side of the connecting piece, the gas inlet is formed in the cover body, and the filter is arranged in the cover body; the gas to be treated sequentially passes through the gas inlet, the filter, the central hole, the first inlet, the spiral channel, the through hole, the inside of the flow guide component, the first outlet and the inside of the first shell.
2. The dioxin collecting device according to claim 1, wherein the filter comprises a first support and a first filter membrane in the form of a cylinder, the first support being adapted to support the first filter membrane and being fixed to a carrier which is snapped into a groove of the connector surrounding the central hole.
3. The dioxin collecting device according to claim 2, further comprising:
the first support piece, the second filter membrane and the second support piece are sequentially arranged in the groove.
4. The dioxin collection device of claim 3, where the second support is sintered glass.
5. The dioxin collecting device according to claim 2, wherein the cap body is filled with a filter medium, and the gas to be treated passes through the filter medium, the filter membrane and the central hole in this order.
6. The dioxin collecting device according to claim 1, further comprising:
the heat insulation piece is cylindrical and is arranged between the connecting piece and the cover body.
7. The dioxin collecting device according to claim 1, which further comprises:
an end cap for closing the first outlet and having a third outlet;
the three-way joint is provided with a first channel, a second channel and a third channel which are communicated with each other, the first channel is communicated with the third outlet, and a temperature sensor is arranged in the second channel.
8. The dioxin collection device of claim 7, wherein the first passage is in the third outlet.
9. The dioxin collecting device of claim 7, where the first casing has external threads at both ends thereof, respectively, and the second casing and the end caps have internal threads matching the external threads, respectively.
10. The dioxin collecting device of claim 1, wherein the open end of the flow guide member is fixed to the bottom wall of the second casing with a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221627122.XU CN218187990U (en) | 2022-06-27 | 2022-06-27 | Dioxin collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221627122.XU CN218187990U (en) | 2022-06-27 | 2022-06-27 | Dioxin collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218187990U true CN218187990U (en) | 2023-01-03 |
Family
ID=84648443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221627122.XU Active CN218187990U (en) | 2022-06-27 | 2022-06-27 | Dioxin collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218187990U (en) |
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2022
- 2022-06-27 CN CN202221627122.XU patent/CN218187990U/en active Active
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