CN108889603A - A kind of New Hydrogen fluoric acid Special screen - Google Patents
A kind of New Hydrogen fluoric acid Special screen Download PDFInfo
- Publication number
- CN108889603A CN108889603A CN201810792619.9A CN201810792619A CN108889603A CN 108889603 A CN108889603 A CN 108889603A CN 201810792619 A CN201810792619 A CN 201810792619A CN 108889603 A CN108889603 A CN 108889603A
- Authority
- CN
- China
- Prior art keywords
- slot
- nowel
- top box
- fluoric acid
- new hydrogen
- 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.)
- Granted
Links
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229960002050 hydrofluoric acid Drugs 0.000 title claims abstract description 24
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 239000001257 hydrogen Substances 0.000 title claims abstract description 17
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 17
- 238000012216 screening Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- 230000007797 corrosion Effects 0.000 claims abstract description 8
- 238000005260 corrosion Methods 0.000 claims abstract description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000011241 protective layer Substances 0.000 abstract description 3
- 238000007873 sieving Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4663—Multi-layer screening surfaces
Landscapes
- Combined Means For Separation Of Solids (AREA)
- Filtering Materials (AREA)
Abstract
The present invention provides a kind of New Hydrogen fluoric acid Special screen, including straight line shaker, screen box in straight line shaker includes top box slot, nowel slot and sintered meshwork, sintered meshwork is covered on the notch of nowel slot, the edge of sintered meshwork is sealed and is fixedly connected with the notch edges of nowel slot, top box slot and nowel slot are all made of corrosion resistant material and are made, and top box slot is fixedly connected with nowel slot and is sealed using polytetrafluoroethylsealed sealed part；Wherein, sintered meshwork is followed successively by screening layered, protective layer, filter layer, separating layer and supporting layer from top to bottom, and screening layered is 80~100 mesh.Straight line shaker screen box and sealing element are disposed as corrosion resistant material, guarantee that the present invention has longer physical life and stable screening environment when sieving hydrofluoric acid；The connection structure of top box slot and nowel slot and setting reinforcing rib in top box slot, guarantee that screen box can bear the pressure generated from process system and meet pressure maintaining and pressure drop requirements；Dedicated sintered meshwork is arranged to sieve hydrofluoric acid, guarantees screening quality and effect.
Description
Technical field
The present invention relates to screening fields, and in particular to a kind of New Hydrogen fluoric acid Special screen.
Background technique
Common vibration sieve apparatus most at present cannot bear the pressure generated during material screening since structure is limited,
And without enough corrosion resistances, common sieve durability is inadequate.It is final up to not to not adapt to the characteristic of hydrofluoric acid
To ideal screening effect.The development of industry is constrained simultaneously, reduces the satisfaction of client.
Summary of the invention
The defect of hydrofluoric acid function is not sieved for existing screening plant, it is dedicated that the present invention provides a kind of New Hydrogen fluoric acid
Sieve.
A kind of New Hydrogen fluoric acid Special screen, including straight line shaker, which is characterized in that the screen box in the straight line shaker includes top box
Slot, nowel slot and sintered meshwork, the sintered meshwork are covered on the notch of the nowel slot, the edge of the sintered meshwork and the nowel
The notch edges of slot are sealed and are fixedly connected, and the top box slot and nowel slot are all made of corrosion resistant material and are made, the top box
Slot is fixedly connected with nowel slot and is sealed using polytetrafluoroethylsealed sealed part；Wherein, the sintered meshwork is followed successively by screening layered from top to bottom, protects
Sheath, filter layer, separating layer and supporting layer.
Further it is：The screening layered is 80~100 mesh, for the material specification for adapting to different hydrofluoric acid.
Further it is：Step in first, the sintered meshwork lower surface are equipped with along its notch in the upper surface of the nowel slot
Edge be bonded with step in described first, the edge of the sintered meshwork upper surface is provided with continuous press strip, setting is consolidated
It is fixedly connected after determining screw bolt passes press strip, sintered meshwork with the nowel slot, guarantees the leakproofness of sintered meshwork and nowel slot.
Further it is：In the upper surface of the nowel slot, step is equipped with step in second, the tetrafluoro along described first
The lower surface of sealing element merges sealed connection, the upper surface of the polytetrafluoroethylsealed sealed part and the top box with step sticker in described second
The lower end surface of slot is bonded and is tightly connected.
Further it is：In the lower edge of the top box slot outer wall and the equal integrated setting in top edge of the nowel slot outer wall
There is chimb, step is respectively positioned on the upper surface of the chimb of the nowel slot in step and second in described first；The top box slot
Chimb be fixedly connected with the chimb of the nowel slot by hold-down bolt.
Further it is：Be fixedly connected with vertical reinforcing rib outside the side wall of the top box slot, the reinforcing rib lower end with
The chimb of the top box slot is fixedly connected；Increase the resistance to pressure of screen box.
Further it is：Nitrogen inlet and nitrogen outlet are respectively equipped at the both ends of the top box slot.
Further it is：The top box slot and nowel slot are all made of 316L stainless steel material and are made.
Further it is：It is equipped with feed inlet in the front end of the top box slot, is equipped with discharging in the rear end of the nowel slot
Mouthful.
Further it is：The discharge port includes the first discharge port and the second discharge port, and second discharge port and first goes out
Material mouth is set gradually along nowel slot rear end to front end.
Beneficial effects of the present invention：Straight line shaker screen box and sealing element are disposed as corrosion resistant material, guarantee the present invention
There are longer physical life and stable screening environment when sieving hydrofluoric acid；The connection structure of top box slot and nowel slot and upper
The setting reinforcing rib of case slot guarantees that screen box can bear the pressure generated from process system and meet pressure maintaining and pressure drop requirements；
Dedicated compound sintered meshwork is arranged to sieve hydrofluoric acid, guarantees screening quality and effect.
Detailed description of the invention
Fig. 1 is positive structure diagram of the invention；
Fig. 2 is backsight structural representation of the invention；
Fig. 3 is the cross section structure schematic diagram of a-quadrant in Fig. 2；
Fig. 4 is the structural schematic diagram of sintered meshwork in the present invention.
In figure, 11, top box slot；111, feed inlet；112, nitrogen inlet；113, nitrogen outlet；114, reinforcing rib；12, under
Case slot；121, the first discharge port；122, the second discharge port；123, fixing seat；2, vibrating body；3, bracket；4, damping spring；5, it presses
Tight bolt；6, sintered meshwork；61, press strip；62, fixing bolt；63, screening layered；64, protective layer；65, filter layer；66, separating layer；
67, supporting layer；7, polytetrafluoroethylsealed sealed part.
Specific embodiment
It elaborates with reference to the accompanying drawing to the present invention.It should be noted that left, center, right in truth example of the present invention,
The positional terms such as upper and lower are only relative concepts or be to refer to, and should not be considered as with the normal operating condition of product each other
It is restrictive.
A kind of New Hydrogen fluoric acid Special screen, as depicted in figs. 1 and 2, including straight line shaker, the screen box in the straight line shaker includes
Top box slot 11, nowel slot 12 and sintered meshwork 6, the sintered meshwork 6 are covered on the notch of the nowel slot 12, the sintered meshwork 6
It the notch edges sealing of edge and the nowel slot 12 and is fixedly connected, the top box slot 11 and nowel slot 12 are all made of corrosion-resistant
Property material is made, specifically, the top box slot 11 and nowel slot 12 are all made of 316L stainless steel material and are made, 316L stainless steel pair
The corrosion resistance of hydrofluoric acid is more preferable；The top box slot 11 is fixedly connected with nowel slot 12 and is sealed using polytetrafluoroethylsealed sealed part 7, tetrafluoro
The full name of sealing element 7 is teflon seal；In conjunction with Fig. 4, wherein the sintered meshwork 6 is followed successively by screening layered from top to bottom
63, protective layer 64, filter layer 65, separating layer 66 and supporting layer 67, the screening layered 63 are 80~100 mesh, the rule of screening layered 63
Depending on lattice are with specific reference to site technique, other layers of sintered meshwork 6 are all made of routine techniques index, just repeat no more herein；
Wherein, as shown in figure 3, the upper surface that the sintered meshwork 6 is horizontally set on the nowel slot 12 is equipped with first along its notch
The edge of interior step, 6 lower surface of sintered meshwork is bonded with step in described first, at the edge of 6 upper surface of sintered meshwork
It is provided with continuous press strip 61, the press strip 61 is bonded with the sintered meshwork 6, and the fixing bolt 62 of setting sequentially passes through press strip
61, it is threadedly engaged after sintered meshwork 6 with the nowel slot 12；In the upper surface of the nowel slot 12, step is equipped with along described first
The lower surface of step in second, the polytetrafluoroethylsealed sealed part 7 merges sealed connection with step sticker in described second, described polytetrafluoroethylsealed sealed
The upper surface of part 7 is bonded and is tightly connected with the lower end surface of the top box slot 11；
The equal integration in top edge of the lower edge and 12 outer wall of nowel slot of 11 outer wall of top box slot is provided with chimb, institute
State in first that step is respectively positioned on the upper surface of the chimb of the nowel slot 12 in step and second；The chimb of the top box slot 11
It is fixedly connected with the chimb of the nowel slot 12 by hold-down bolt 5；It is fixedly connected with outside the side wall of the top box slot 11 perpendicular
To reinforcing rib 114,114 lower end of reinforcing rib is fixedly connected with the chimb of the top box slot 11.
In addition, as depicted in figs. 1 and 2, feed inlet 111 is equipped in the front end of the top box slot 11, in the nowel slot
12 rear end is equipped with discharge port, and feed inlet 111 and discharge port pass through flange and connect with external system；The discharge port includes the
One discharge port 121 and the second discharge port 122, second discharge port 122 and the first discharge port 121 are along 12 rear end of nowel slot
It is set gradually to front end, realizes grading discharge；For increase screening efficiency, the both ends of the top box slot 11 be respectively equipped with nitrogen into
Mouth 112 and nitrogen outlet 113 increase the internal pressure of screen box by pouring nitrogen into screen box, accelerate screening process；Institute
The two sides for stating 12 both ends end of nowel slot are installed with fixing seat 123, and the fixing seat 123 is solid by damping spring 4 and bracket 3
Fixed connection.
The present invention can bear a maximum of about of atmospheric pressure of 2MPa generated from process system in normal work, and
Pressure maintaining one hour under 1MPa test pressure, the not super 0.03MPa of pressure drop.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, 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 New Hydrogen fluoric acid Special screen, including straight line shaker, it is characterised in that：Screen box in the straight line shaker includes top box
Slot, nowel slot and sintered meshwork, the sintered meshwork are covered on the notch of the nowel slot, the edge of the sintered meshwork and the nowel
The notch edges of slot are sealed and are fixedly connected, and the top box slot and nowel slot are all made of corrosion resistant material and are made, the top box
Slot is fixedly connected with nowel slot and is sealed using polytetrafluoroethylsealed sealed part；Wherein, the sintered meshwork is followed successively by screening layered from top to bottom, protects
Sheath, filter layer, separating layer and supporting layer.
2. a kind of New Hydrogen fluoric acid Special screen according to claim 1, it is characterised in that：In the upper surface of the nowel slot
It is equipped with step in first along its notch, the edge of the sintered meshwork lower surface is bonded with step in described first, in the sintering
The edge on online surface is provided with continuous press strip, the fixing bolt of setting sequentially pass through after press strip, sintered meshwork with the nowel
Slot is fixedly connected.
3. a kind of New Hydrogen fluoric acid Special screen according to claim 2, it is characterised in that：In the upper surface of the nowel slot
Step is equipped with step in second along described first, and the lower surface of the polytetrafluoroethylsealed sealed part merges close with step sticker in described second
Envelope connection, the upper surface of the polytetrafluoroethylsealed sealed part is bonded and is tightly connected with the lower end surface of the top box slot.
4. a kind of New Hydrogen fluoric acid Special screen according to claim 3, it is characterised in that：Under the top box slot outer wall
The equal integration in top edge at edge and the nowel slot outer wall is provided with chimb, the equal position of step in step and second in described first
In on the upper surface of the chimb of the nowel slot；The chimb of the chimb of the top box slot and the nowel slot is solid by hold-down bolt
Fixed connection.
5. according to claim 1 to a kind of New Hydrogen fluoric acid Special screen described in any claim in 4, it is characterised in that：Institute
Stating screening layered is 80~100 mesh.
6. a kind of New Hydrogen fluoric acid Special screen according to claim 5, it is characterised in that：Outside the side wall of the top box slot
It is fixedly connected with vertical reinforcing rib, the reinforcing rib lower end is fixedly connected with the chimb of the top box slot.
7. a kind of New Hydrogen fluoric acid Special screen according to claim 5, it is characterised in that：At the both ends of the top box slot point
It She You not nitrogen inlet and nitrogen outlet.
8. a kind of New Hydrogen fluoric acid Special screen according to claim 5, it is characterised in that：The top box slot and nowel slot are equal
It is made of 316L stainless steel material.
9. a kind of New Hydrogen fluoric acid Special screen according to claim 5, it is characterised in that：In the front end of the top box slot
Equipped with feed inlet, discharge port is equipped in the rear end of the nowel slot.
10. a kind of New Hydrogen fluoric acid Special screen according to claim 9, it is characterised in that：The discharge port includes first
Discharge port and the second discharge port, second discharge port and the first discharge port are set gradually along nowel slot rear end to front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792619.9A CN108889603B (en) | 2018-07-18 | 2018-07-18 | Novel hydrofluoric acid special screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792619.9A CN108889603B (en) | 2018-07-18 | 2018-07-18 | Novel hydrofluoric acid special screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108889603A true CN108889603A (en) | 2018-11-27 |
| CN108889603B CN108889603B (en) | 2024-02-20 |
Family
ID=64350837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810792619.9A Active CN108889603B (en) | 2018-07-18 | 2018-07-18 | Novel hydrofluoric acid special screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108889603B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2698463Y (en) * | 2004-05-28 | 2005-05-11 | 贺占胥 | Oval airflow straight line screen |
| US20080087580A1 (en) * | 2006-10-17 | 2008-04-17 | Coen Ronald K | Fine particle precious metal and liquid mercury recovery system and method using multi-layer filter with under-air flow |
| CN201320530Y (en) * | 2008-12-04 | 2009-10-07 | 江苏天腾化工有限公司 | Special linear screen for chlorinated polyethylene |
| CN201735518U (en) * | 2010-08-02 | 2011-02-09 | 四川道远环保设备有限公司 | Novel vibrating screen |
| CN202263709U (en) * | 2011-09-16 | 2012-06-06 | 钟祥市新宇机电制造有限公司 | Linear vibrating screen for carbon |
| CN204074477U (en) * | 2014-06-05 | 2015-01-07 | 新乡市高服筛分机械有限公司 | A kind of airtight screening machine |
| CN204283370U (en) * | 2014-11-03 | 2015-04-22 | 中国石油天然气股份有限公司 | Screen strings and completion strings |
| CN208743023U (en) * | 2018-07-18 | 2019-04-16 | 新乡市高服机械股份有限公司 | A kind of New Hydrogen fluoric acid Special screen |
-
2018
- 2018-07-18 CN CN201810792619.9A patent/CN108889603B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2698463Y (en) * | 2004-05-28 | 2005-05-11 | 贺占胥 | Oval airflow straight line screen |
| US20080087580A1 (en) * | 2006-10-17 | 2008-04-17 | Coen Ronald K | Fine particle precious metal and liquid mercury recovery system and method using multi-layer filter with under-air flow |
| CN201320530Y (en) * | 2008-12-04 | 2009-10-07 | 江苏天腾化工有限公司 | Special linear screen for chlorinated polyethylene |
| CN201735518U (en) * | 2010-08-02 | 2011-02-09 | 四川道远环保设备有限公司 | Novel vibrating screen |
| CN202263709U (en) * | 2011-09-16 | 2012-06-06 | 钟祥市新宇机电制造有限公司 | Linear vibrating screen for carbon |
| CN204074477U (en) * | 2014-06-05 | 2015-01-07 | 新乡市高服筛分机械有限公司 | A kind of airtight screening machine |
| CN204283370U (en) * | 2014-11-03 | 2015-04-22 | 中国石油天然气股份有限公司 | Screen strings and completion strings |
| CN208743023U (en) * | 2018-07-18 | 2019-04-16 | 新乡市高服机械股份有限公司 | A kind of New Hydrogen fluoric acid Special screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108889603B (en) | 2024-02-20 |
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