CN107029481A - Mist of oil dust filtering device for sample gas - Google Patents
Mist of oil dust filtering device for sample gas Download PDFInfo
- Publication number
- CN107029481A CN107029481A CN201710472756.XA CN201710472756A CN107029481A CN 107029481 A CN107029481 A CN 107029481A CN 201710472756 A CN201710472756 A CN 201710472756A CN 107029481 A CN107029481 A CN 107029481A
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- CN
- China
- Prior art keywords
- filtering
- filter
- mist
- sample gas
- openend
- 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
- 238000001914 filtration Methods 0.000 title claims abstract description 101
- 239000000428 dust Substances 0.000 title claims abstract description 28
- 239000003595 mist Substances 0.000 title claims abstract description 27
- 230000000712 assembly Effects 0.000 claims abstract description 39
- 238000000429 assembly Methods 0.000 claims abstract description 39
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 239000010865 sewage Substances 0.000 claims abstract description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 40
- 238000004939 coking Methods 0.000 description 6
- 241000219146 Gossypium Species 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 239000003034 coal gas Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
-
- 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
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
-
- 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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of mist of oil dust filtering device for sample gas, including：Filtering base, there is the side in the openend for forming the first cavity, the filtering base positioned at the openend to open up internal thread for it；Filtering bodies, are connected with the openend, and fluid collection chamber is provided with the filtering bodies；With, filter assemblies, it is contained in the fluid collection chamber, the filter assemblies include the body for filtering and are arranged at the filter cartridge seat of the hollow form of one end of the body, the one end of the filter cartridge seat away from the body sets external screw thread, is connected to by the external screw thread and filter assemblies described in the screw-internal thread fit on the filtering base；Wherein, the valve that sewage draining exit and the control sewage draining exit opening and closing are provided with the blow valve port being additionally provided with air inlet and gas outlet, the filtering base for being purged to the filter assemblies, the filtering bodies is additionally provided with the filtering base.This filter, is easy to effectively filter sample gas.
Description
Technical field
The present invention relates to a kind of filter for being applied to filter coal gas in coking industry, it particularly relates to
A kind of mist of oil dust filtering device for sample gas.
Background technology
Greasy dirt, mist of oil, dust and moisture filter equipment it is a lot, such as filter, steam-water separator.But in coking neck
Domain, the filtering for sample gas is a technical barrier, because in coking field, the raw coke oven gas come out from coke oven enters just
Before cooler, liquid is largely condensed into, meanwhile, coal dust, the coke powder carried secretly in coal gas are also captured down, the water in coal gas
The composition of dissolubility is also dissolved in ammoniacal liquor.So as to which this process causes greasy dirt, mist of oil, the coal for containing a large amount of chemical compositions in sample gas
Powder and moisture.
In the technical process of coking, due to having the necessary ring of imflammable gas and High Pressure Absorption in process pipe
Section is, it is necessary to which analytical instrument is timely analyzed the oxygen content in pipeline, and pipeline includes the greasy dirt of a large amount of chemical compositions, oil
If the filtration treatment of mist, dust and moisture without early stage, the tracheae that can directly result in analytical instrument sampling is blocked, and adds maintenance
Workload, the direct Failure analysis instrument of the meeting of situation seriously.
Had very there is provided a kind of device that can be applied to coking field filter sample gas based on above mentioned problem
Important meaning.
The content of the invention
The technical problems to be solved by the invention are, in view of the deficienciess of the prior art, being used for sample there is provided a kind of
The mist of oil dust filtering device of product gas, it can effectively remove greasy dirt, mist of oil, dust and moisture in sample gas.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of mist of oil dust for sample gas
Filter, it includes：
Filtering base, there is the side for being located at the openend in the openend for forming the first cavity, the filtering base to open up interior for it
Screw thread；
Filtering bodies, are connected with the openend, and fluid collection chamber is provided with the filtering bodies；With,
Filter assemblies, are contained in the fluid collection chamber, and the filter assemblies include the body for filtering and are arranged at described
The filter cartridge seat of the hollow form of one end of body, the one end of the filter cartridge seat away from the body sets external screw thread, by described outer
Screw thread is connected on the filtering base with filter assemblies described in the screw-internal thread fit；
Wherein, the air inlet that is directly connected with first cavity is additionally provided with the filtering base and straight with the filter cartridge seat
The blow valve port for being purged to the filter assemblies, the mistake are additionally provided with the gas outlet led in succession, the filtering base
The valve of sewage draining exit and the control sewage draining exit opening and closing is provided with filter body.
Preferably, the gas outlet is located at the other end of the filtering base relative with the openend, described
Gas outlet is directly connected by the first duct with the filter cartridge seat, the blow valve port include with it is anti-in first hole link
Mouthpiece.
Preferably, the blow valve port includes outer back blow port, and the outer back blow port passes through the second duct and described the
One cavity is directly connected.
Preferably, the second cavity is additionally provided with the filtering base, second cavity is and the outer blowback
Multiple second holes directly connected with first cavity are provided with the annular groove-shaped of mouth connection, second cavity
Road.
Preferably, the air inlet, interior back blow port are arranged at the side of the filtering base with the outer back blow port
Face.
Preferably, the air inlet, gas outlet, interior back blow port and the outer back blow port are spiral shell in 1/8NPT
Line.
Preferably, the filtering bodies pass through clamp connection with the openend.
Preferably, the end face of the openend and the end face of the filtering bodies are respectively arranged with seal groove, described
Sealing ring is provided with seal groove.
Preferably, the body includes the stainless steel filter bowl, stainless steel filtering net, filtering set gradually from outside to inside
Cotton and Ti-alloyed filter element.
Preferably, the sewage outfalls setting is in the one end of the filtering bodies away from the openend, the valve
For stop valve.
Implement the mist of oil dust filtering device for sample gas of the present invention, have the advantages that：
1st, fluid collection chamber is in the lower section of filter assemblies, and sample gas enters after the filter, diffuses to the surface of filter assemblies, passes through
After the filtering and isolation of crossing filter assemblies, greasy dirt, mist of oil, dust and moisture are all collected in fluid collection chamber in sample gas, sample
Gas enters gas outlet by the filter cartridge seat and the first duct of filter assemblies, enters back into gas analyzer, realizes removing sample gas
Middle greasy dirt, mist of oil, the purpose of dust and moisture；
2nd, filtering base is linked together with locked clip device mode and filtering bodies, easy to disassemble, when having gathered part on filter assemblies
It after greasy dirt, dust, moisture, can at any time be taken apart, and remove greasy dirt, dust, moisture in filter assemblies and fluid collection chamber,
Safeguard and extremely facilitate.
3rd, interior back blow port, outer back blow port are integrated with filtering base, when purge gas is entered by interior back blow port and outer back blow port
During row purging, filter assemblies can from inside to outside be purged respectively, be purged from outside to inside and inside and outside purging simultaneously, effectively
The service life for improving filtration core；
4th, the present invention is simple in construction, and the material used is common used material, and cost is low.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the schematic cross-sectional view of one embodiment of the mist of oil dust filtering device for sample gas of the present invention；
Fig. 2 is the schematic diagram of filtering base in Fig. 1；
Fig. 3 be Fig. 1 in filtering bodies schematic diagram；
Fig. 4 be Fig. 1 in filter assemblies schematic diagram.
In above-mentioned accompanying drawing：
1- gas outlets；The cavitys of 2- second；The outer back blow ports of 3-；The ducts of 4- first；The ducts of 5- second；Back blow port in 6-；7- air inlets；
8- internal threads；The cavitys of 9- first；10- seal grooves；11- sealing surfaces；12- sealing rings；13- filtering bodies；14- sewage draining exits；The outer spiral shells of 15-
Line；16- filter cartridge seats；17- stainless steel filter bowls；18- stainless steel filtering nets；19- filter cottons；20- Ti-alloyed filter elements；21- fluid collection chambers；
22- filtering bases；23- filter assemblies.
Embodiment
In order that the object, technical solutions and advantages of the present invention are more clearly understood, it is right with reference to embodiment and accompanying drawing
The present invention is further described.
Shown in reference picture 1- Fig. 4, a kind of mist of oil dust filtering device for sample gas of the invention, it mainly included
Filter block 22, filtering bodies 13 and filter assemblies 23, filtering base 22 are connected with filtering bodies 13, and filter assemblies 23 are installed on filtering bodies 13
It is interior, and be connected with filtering base 22, for realizing filtering function.
As shown in Fig. 2 filtering base 22, it has the openend for forming the first cavity 9.The openend is the mistake shown in Fig. 2
Side in the lower end of filter block 22, filtering base 22 positioned at openend opens up internal thread 8.
As shown in figure 3, filtering bodies 13 are connected with the openend of filtering base 22, fluid collection chamber 21 is provided with filtering bodies 13, with
Just filter assemblies 23 etc. are accommodated.Preferably, filtering bodies 13 and the openend of filtering base 22 pass through clip（Do not show in figure）Connection, this
Mode convenient disassembly is planted, is easy to change filter assemblies 23, clears up.Further, the end of the openend of filtering base 22
The end face of face and filtering bodies 13 is sealing surface 11, and it is respectively arranged with seal groove 10, seal groove 10 and is provided with sealing ring 12, such as
Shown in figure, seal groove 10 is the groove that longitudinal section is arc, sealing ring 12 and the form fit of seal groove 10, its both sides difference
The projection of arc is set, to be meshed well into the seal groove 10, it is ensured that sealing effectiveness.
As shown in figure 4, filter assemblies 23, are contained in fluid collection chamber 21, filter assemblies 23 include the body for filtering（Figure
In do not mark）And it is the part for playing specific filtering function to be arranged at the filter cartridge seat 16 of the hollow form of one end of body, i.e. body,
And filter cartridge seat 16 primarily serves the effect for being connected the body with miscellaneous part.Preferably, body includes setting successively from outside to inside
Stainless steel filter bowl 17, stainless steel filtering net 18, filter cotton 19 and the Ti-alloyed filter element 20 put.There is Ti-alloyed filter element 20 in the middle of body,
The surface wrap filter cotton 19 of Ti-alloyed filter element 20, the surface wrap stainless steel filtering net 18 of filter cotton 19, stainless steel filtering net 18 is by stainless
Steel filter bowl 17 is fixed to filter cartridge seat 16.The one end of filter cartridge seat 16 away from body sets external screw thread 15, passes through external screw thread 15 and interior spiral shell
The screw thread complement filter component 23 of line 8 is connected on filtering base 22.
Continuing with as illustrated in fig. 1 and 2, be additionally provided with filtering base 22 air inlet 7 that is directly connected with the first cavity 9 and
The gas outlet 1 directly connected with filter cartridge seat 16, sample gas is entered in filtering base 22 by air inlet 7, via the mistake of filter assemblies 23
After filter, discharged by gas outlet 1, and be delivered to analytical instrument.It is additionally provided with filtering base 22 for blowing filter assemblies 23
The blow valve port swept, the blow valve port is used to realize to be removed to the greasy dirt and impurity that are adsorbed in filter assemblies 23.In filtering bodies 13
It is provided with the valve of sewage draining exit 14 and the opening and closing of control of sewage disposal mouthful 14（Do not marked in figure）, the sewage draining exit 14 be used for foregoing greasy dirt and
Outside impurity discharge filtering bodies 13.Sewage draining exit 14 is arranged at the one end of filtering bodies 13 away from openend, and valve can select to cut
Only valve.
Gas outlet 1 is located at the other end of the filtering base 22 relative with openend, i.e. Fig. 2 upper end, and gas outlet 1 passes through first
Duct 4 is directly connected with filter cartridge seat 16, so, after sample gas is via the filter cartridge seats 16 of filter assemblies 23, the first duct 4, by
Discharge gas outlet 1.
In the present invention, blow valve port includes the interior back blow port 6 connected with the first duct 4, for realizing in filter assemblies 23
Purged to outside filter assemblies 23.Further, blow valve port also includes outer back blow port 3, and outer back blow port 3 passes through the second duct 5 and the
One cavity 9 is directly connected, and is purged for realizing in the export-oriented filter assemblies 23 of filter assemblies 23.Preferably, in filtering base 22 also
Be provided with the second cavity 2, the second cavity 2 be provided with annular groove-shaped connect with outer back blow port 3, the second cavity 2 it is multiple and
The second duct 5 that first cavity 9 is directly connected, i.e., multiple second ducts 5 are in that shape in parallel is set.So, carried out by outer back blow port 3
During purging, it can realize multi-faceted air inlet.Interior back blow port 6 and outer back blow port 3, can pass through coupled external air source
（Such as compressed air）Supply.
For ease of optimization structure, air inlet 7, interior back blow port 6 are arranged at the side of filtering base 22 with outer back blow port 3, gone out
Gas port 1 is located at the end face of filtering base 22.In addition, air inlet 7, gas outlet 1, interior back blow port 6 and outer back blow port 3 are in 1/8NPT
Screw thread 8, it is easy to implement the connection with miscellaneous part.
The sampling communication path of the present invention is air inlet 7, the first cavity 9, fluid collection chamber 21, filter assemblies 23, the first duct
4th, gas outlet 1, interior blowback communication path of the invention is interior back blow port 6, the first duct 4, filter assemblies 23, fluid collection chamber 21, row
Dirty mouth 14, outer blowback communication path of the invention is outer back blow port 3, the second cavity 2, the second duct 5, the first cavity 9, fluid collection chamber
21st, filter assemblies 23, sewage draining exit 14.When the sample gas containing greasy dirt, mist of oil, dust and moisture is of the invention from the entrance of air inlet 7
Afterwards, entered by the first cavity 9 in fluid collection chamber 21, then filtered, isolated by filter assemblies 23, and remove degreasing, mist of oil,
The sample gas of dust and moisture enters from the port in the first duct 4, then is sent to gas analyzer from gas outlet 1.
This filter of the present invention, can effectively solve the problem that coking field to easily stifled present in sample gas detection process
Plug, high maintenance amount, the problem of Failure analysis instrument.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of mist of oil dust filtering device for sample gas, it is characterised in that including：
Filtering base, there is the side for being located at the openend in the openend for forming the first cavity, the filtering base to open up interior for it
Screw thread；
Filtering bodies, are connected with the openend, and fluid collection chamber is provided with the filtering bodies；With,
Filter assemblies, are contained in the fluid collection chamber, and the filter assemblies include the body for filtering and are arranged at described
The filter cartridge seat of the hollow form of one end of body, the one end of the filter cartridge seat away from the body sets external screw thread, by described outer
Screw thread is connected on the filtering base with filter assemblies described in the screw-internal thread fit；
Wherein, the air inlet that is directly connected with first cavity is additionally provided with the filtering base and straight with the filter cartridge seat
The blow valve port for being purged to the filter assemblies, the mistake are additionally provided with the gas outlet led in succession, the filtering base
The valve of sewage draining exit and the control sewage draining exit opening and closing is provided with filter body.
2. the mist of oil dust filtering device according to claim 1 for sample gas, it is characterised in that the gas outlet position
In the other end of the filtering base relative with the openend, the gas outlet is direct by the first duct and the filter cartridge seat
Connection, the blow valve port includes the interior back blow port with first hole link.
3. the mist of oil dust filtering device according to claim 2 for sample gas, it is characterised in that the blow valve port bag
Outer back blow port is included, the outer back blow port is directly connected by the second duct with first cavity.
4. the mist of oil dust filtering device according to claim 3 for sample gas, it is characterised in that in the filtering base
The second cavity is additionally provided with, second cavity is to be set on the annular groove-shaped connected with the outer back blow port, second cavity
It is equipped with multiple second ducts directly connected with first cavity.
5. the mist of oil dust filtering device according to claim 4 for sample gas, it is characterised in that the air inlet,
Interior back blow port is arranged at the side of the filtering base with the outer back blow port.
6. the mist of oil dust filtering device according to claim 4 for sample gas, it is characterised in that the air inlet,
Gas outlet, interior back blow port and the outer back blow port are 1/8NPT internal threads.
7. the mist of oil dust filtering device according to claim 1 for sample gas, it is characterised in that the filtering bodies with
The openend passes through clamp connection.
8. the mist of oil dust filtering device according to claim 1 for sample gas, it is characterised in that the openend
End face and the end face of the filtering bodies are respectively arranged with seal groove, the seal groove and are provided with sealing ring.
9. the mist of oil dust filtering device according to claim 1 for sample gas, it is characterised in that the body includes
Stainless steel filter bowl, stainless steel filtering net, filter cotton and the Ti-alloyed filter element set gradually from outside to inside.
10. the mist of oil dust filtering device according to claim 1 for sample gas, it is characterised in that the sewage draining exit
The one end of the filtering bodies away from the openend is arranged at, the valve is stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710472756.XA CN107029481A (en) | 2017-06-21 | 2017-06-21 | Mist of oil dust filtering device for sample gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710472756.XA CN107029481A (en) | 2017-06-21 | 2017-06-21 | Mist of oil dust filtering device for sample gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107029481A true CN107029481A (en) | 2017-08-11 |
Family
ID=59541515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710472756.XA Pending CN107029481A (en) | 2017-06-21 | 2017-06-21 | Mist of oil dust filtering device for sample gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107029481A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108635998A (en) * | 2018-07-24 | 2018-10-12 | 叶其才 | Filter plant and its filter core |
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| CN206214921U (en) * | 2016-10-31 | 2017-06-06 | 广东长征机械有限公司 | It is a kind of to carry out the filter that blow-back clears up dust |
| CN206214923U (en) * | 2016-10-31 | 2017-06-06 | 广东长征机械有限公司 | A kind of rearmounted deduster |
| CN207385026U (en) * | 2017-06-21 | 2018-05-22 | 上海昶艾电子科技有限公司 | For the mist of oil dust filtering device of sample gas |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108635998A (en) * | 2018-07-24 | 2018-10-12 | 叶其才 | Filter plant and its filter core |
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