CN208743691U - A kind of production mould of the powder sintered screen pipe of smooth outer surface type - Google Patents
A kind of production mould of the powder sintered screen pipe of smooth outer surface type Download PDFInfo
- Publication number
- CN208743691U CN208743691U CN201821506773.7U CN201821506773U CN208743691U CN 208743691 U CN208743691 U CN 208743691U CN 201821506773 U CN201821506773 U CN 201821506773U CN 208743691 U CN208743691 U CN 208743691U
- Authority
- CN
- China
- Prior art keywords
- seal plug
- pipe
- powder sintered
- screen pipe
- smooth outer
- 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.)
- Expired - Fee Related
Links
Landscapes
- Filtering Materials (AREA)
Abstract
The utility model relates to the production moulds of the powder sintered screen pipe of smooth outer surface type, the pore-size distribution that the existing powder sintered screen pipe of outer light type can effectively be solved is uneven, sintering strength is uneven, cause single continuous operation service life short, the high problem of processing cost, the identical fitting groove of structure is provided on top seal plug and lower seal plug opposite face, graphite external mold pipe both ends are attached separately in the fitting groove of top seal plug and lower seal plug, top seal plug, interior gum cover is housed on the inner wall of lower seal plug, inner sleeve is housed on the inner wall of interior gum cover, the saturating pressure pipe of central supported equipped with the center that is horizontally through on mold, the base chamber of the powder sintered screen pipe of smooth outer surface type is constituted between graphite external mold pipe and interior gum cover.The utility model structure is simple, novel and unique, and manufacture easy to produce, easy to use, the service life is long, can be widely used for the automatic filter core filter element in the sophisticated industries such as production nuclear industry, petrochemical industry, coal chemical industry, national defense industry.
Description
Technical field
The utility model relates to molds, especially the life in fields such as nuclear industry, petrochemical industry, coal chemical industry, national defense industry
In production, a kind of smooth outer surface type of filter screen pipe is instead cleaned automatically for producing gas automatic back blow filter, liquid
The production mould of powder sintered screen pipe.
Background technique
In the production of the fields such as nuclear industry, petrochemical industry, coal chemical industry, national defense industry, with the development of energy-saving and emission-reduction work
And environmental requirement, and the dedusting of process gas automatic back blow (removal of impurities) filter (such as: fluorine gas deduster, high pressure fly ash filter are high
Press carbon dioxide filter etc.), liquid instead clean automatically filter (such as: hydrogenation reaction automatic cleaning strainer, process water from
Dynamic backwash filter etc.) etc. application it is more and more extensive, the filter core of the form filter uses powder sintered screen pipe more, at present
The powder sintered screen pipe used has the outer surface of conventional type coarse, smooth (the referred to as outer wool type or interior light type) filtering of inner surface
Two kinds of pipe and the powder sintered screen pipe of smooth outer surface type (referred to as outer light type or interior wool type), both screen pipes are due to its processing
The problem of process structure, outer light type screen pipe filter when impurity particle be not easy filtering pipe surface attachment, blowback cleaning effect compared with
Interior light type is good, is more widely applied.Outer light type screen pipe processing production equipment used at present leans on ceramic tube or glass tube conduct
Die sleeve outside isostatic pressing, glass tube and ceramic tube are easily broken fracture, and ceramic tube price in actual production process, make
Production cost at outer light type screen pipe is higher, and that there are pore-size distributions is uneven for the product of its processing, and sintering strength is uneven
It is even, it causes single continuous operation service life short, therefore, is badly in need of a kind of more reasonable process equipment to overcome existing outer light type
The defect of screen pipe.
Utility model content
For above situation, the defect of the prior art is overcome, the purpose of the utility model is just to provide a kind of outer surface light
The production mould of the powder sintered screen pipe of slip can effectively solve the pore-size distribution of the existing powder sintered screen pipe of outer light type not
Uniformly, sintering strength is uneven, causes single continuous operation service life short, and the outer powder sintered screen pipe processing cost of light type is high
The problem of.
Technical solutions of the utility model are a kind of production moulds of the powder sintered screen pipe of smooth outer surface type, including upper
Structure is provided on portion's sealing-plug, lower seal plug, graphite external mold pipe and interior gum cover, top seal plug and lower seal plug opposite face
Identical fitting groove, graphite external mold pipe both ends are attached separately in the fitting groove of top seal plug and lower seal plug, top seal
It fills in, interior gum cover is housed on the inner wall of lower seal plug, inner sleeve is housed on the inner wall of interior gum cover, is equipped on mold in being horizontally through
The central supported of the heart saturating pressure pipe constitutes the base chamber of the powder sintered screen pipe of smooth outer surface type between graphite external mold pipe and interior gum cover
(or powder charge cavity).
The utility model structure is simple, novel and unique, and manufacture easy to produce, easy to use, the service life is long, can be widely used for producing
Automatic filter core filter element in the sophisticated industries such as nuclear industry, petrochemical industry, coal chemical industry, national defense industry has significant
Economic and social benefit.
Detailed description of the invention
Fig. 1 is the cross-section structure main view of the utility model.
Fig. 2 is sintering structure (part) sectional view of the utility model.
Specific embodiment
It elaborates below in conjunction with attached drawing to specific embodiment of the present utility model.
As shown in Fig. 1,2, a kind of production mould of the powder sintered screen pipe of smooth outer surface type of the utility model, including it is upper
It is opened on portion's sealing-plug, lower seal plug, graphite external mold pipe and interior gum cover, top seal plug 1-1 and lower seal plug 1-2 opposite face
Have that structure is identical, symmetrical fitting groove 2-1,2 both ends of graphite external mold pipe are attached separately to the dress of top seal plug and lower seal plug
In slot allocation, top seal plug 1-1, lower seal plug 1-2 inner wall on interior gum cover 3 is housed, inner sleeve is housed on the inner wall of interior gum cover 3
Pipe 9, the saturating pressure pipe 4 of central supported equipped with the center that is horizontally through on mold, constitutes appearance between graphite external mold pipe 2 and interior gum cover 3
The base chamber (or powder charge cavity) 5 of the powder sintered screen pipe of face smooth type.
In order to guarantee using effect, the top seal plug 1-1, lower seal plug 1-2 structure are identical, and longitudinal section is
It is U-shaped；
The base chamber 5 is circle, width 2.5-5mm, length 250-1500mm, lateral surface diameter 30-80mm；
The graphite external mold pipe 2 is hollow circle, and fitting groove 2-1 is the cavity circle matched with graphite external mold pipe 2；
The saturating pressure pipe 4 of the central supported is hollow circle.
When the utility model is used:
1, it requires to select corresponding metal powder according to the powder sintered screen pipe precision of outer light type and material, measure certain
Quality be fitted into shown in cold isostatic mould base chamber 5, cold isostatic mould is placed on bumper when charging, and mold upper end is U-shaped
Top seal plug do not assemble, after installing powder, reassemble U-shaped top seal plug.
2, the cold isostatic mould for being loaded into powder is placed into vertically in cold isostatic press working cavity, according to the pressure of setting
Force curve rises to 80-200MPa, and pressure maintaining 5-30min, then pressure is down to normal pressure, and mold is taken out from cold isostatic press, and
Remove U-shaped sealing-plug, the internal gum cover, the saturating pressure pipe of central supported at both ends.It obtains having graphite-pipe outer die casing as shown in Figure 2
Powder green bodies 7.
3, according to shown in Fig. 2, the white fused alumina particle of 2-20 mesh will be packed into inside the powder green bodies with graphite-pipe outer die casing
8, sintering end cover 6-1,6-2 are assembled, the both ends of graphite external mold pipe 2 are attached separately to, seals powder green bodies 7 and white fused alumina
Grain 8.
4, the sub-assembly as shown in Figure 2 that combination assembles is placed on vertically in vacuum or inert atmosphere sintering furnace, is pressed
The sintering process curve of setting is sintered, and 1050-1300 DEG C of sintering temperature, keeps the temperature 1-6 hours, and air quenching is cooled to room temperature, from
Sintering end cover, the white fused alumina particle of internal filling and graphite external mold pipe 2(powder green bodies are taken out and removed in furnace through being sintered
Afterwards, sintering densification natural shrinking is generated, is detached from the powder sintered effective graphite external mold pipe of filtering of outer light type) to get to aperture
The consistent outer powder sintered screen pipe of light type of uniformity, sintering strength.
The powder sintered screen pipe material of described outer light type is by for monel metal, stainless steel, Hastelloy, titanium and titanium
The irregular type powder particle of alloy, Inconel etc., powder size section 50---1000 mesh.Outer light type screen pipe is smooth
Face is controlled by Membrane cover inner wall finish outside graphite-pipe and cold isostatic compaction pressure and dwell time, the outer powder sintered filtering of light type
The even aperture distribution of pipe, sintering strength uniformity is by Membrane cover, isostatic cool pressing pressure, sintering temperature outside vibration charging, graphite-pipe
Degree and soaking time control.Pipe diameter 30-80mm is filtered, filtering pipe thickness is 2.5-5mm, length 250-1500mm.
A kind of powder sintered screen pipe of smooth outer surface type (letter provided by the utility model it can be seen from above structure
The outer powder sintered screen pipe of light type) material be referred to as the alloys such as Monel 400, Stainless steel 316 L, stainless steel 310L, C276.This
For utility model in use, impure gas or liquid is after screen pipe filters, impurity is intercepted at the outer surface of screen pipe,
Clean gas or liquid after filtered enter lower one of technique.When reaching setting value, filter medium is flowed real by direction
It now filters the impurity adhered on tube outer surface to fall off, reaches cleaning purpose.The utility model outer light type produced is powder sintered
Screen pipe overall structural strength is high and uniformity, and even aperture distribution is consistent so online anti-cleaning effect is good, continuous use
Service life is long, to can be widely used for high temperature resistant, corrosion resistance, to the demanding field such as screen pipe function of on-line cleaning, such as
Nuclear industry pneumatic filter and petrochemical industry hydrogenation catalyst filter, coal chemical industry process water self-cleaning filter, sulfuric acid and
Hydrochloric acid filter, the refinement of nuclear power source and separation etc..
The utility model is simple and reasonable, manufacture easy to produce, easy to use, and effect is good, and the service life is long, high temperature resistant, anti-corruption
Erosion, suitable environment range it is wide, can Reusability, economize on resources, there is significant economic and social benefit.
Claims (5)
1. a kind of production mould of the powder sintered screen pipe of smooth outer surface type, including top seal plug, lower seal plug, graphite
External mold pipe and interior gum cover, which is characterized in that be provided with structure phase on top seal plug (1-1) and lower seal plug (1-2) opposite face
Same, symmetrical fitting groove (2-1), graphite external mold pipe (2) both ends are attached separately to the fitting groove of top seal plug and lower seal plug
It is interior, top seal plug (1-1), lower seal plug (1-2) inner wall on interior gum cover (3) are housed, be equipped on the inner wall of interior gum cover (3)
Inner sleeve (9), the saturating pressure pipe of central supported (4) equipped with the center that is horizontally through on mold, graphite external mold pipe (2) and interior gum cover (3)
Between constitute the powder sintered screen pipe of smooth outer surface type base chamber (5).
2. the production mould of the powder sintered screen pipe of smooth outer surface type according to claim 1, which is characterized in that described
Top seal plug (1-1), lower seal plug (1-2) structure it is identical, longitudinal section is U-shaped.
3. the production mould of the powder sintered screen pipe of smooth outer surface type according to claim 1, which is characterized in that described
Base chamber (5) be circle, width 2.5-5mm, length 250-1500mm, lateral surface diameter 30-80mm.
4. the production mould of the powder sintered screen pipe of smooth outer surface type according to claim 1, which is characterized in that described
Graphite external mold pipe (2) be hollow circle, fitting groove (2-1) is that the cavity that matches with graphite external mold pipe (2) is round.
5. the production mould of the powder sintered screen pipe of smooth outer surface type according to claim 1, which is characterized in that described
The saturating pressure pipe of central supported (4) be hollow circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821506773.7U CN208743691U (en) | 2018-09-14 | 2018-09-14 | A kind of production mould of the powder sintered screen pipe of smooth outer surface type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821506773.7U CN208743691U (en) | 2018-09-14 | 2018-09-14 | A kind of production mould of the powder sintered screen pipe of smooth outer surface type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208743691U true CN208743691U (en) | 2019-04-16 |
Family
ID=66084469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821506773.7U Expired - Fee Related CN208743691U (en) | 2018-09-14 | 2018-09-14 | A kind of production mould of the powder sintered screen pipe of smooth outer surface type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208743691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918985A (en) * | 2019-10-18 | 2020-03-27 | 西部宝德科技股份有限公司 | Preparation method of integral powder sintered external optical filter tube |
-
2018
- 2018-09-14 CN CN201821506773.7U patent/CN208743691U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918985A (en) * | 2019-10-18 | 2020-03-27 | 西部宝德科技股份有限公司 | Preparation method of integral powder sintered external optical filter tube |
| CN110918985B (en) * | 2019-10-18 | 2022-02-18 | 西部宝德科技股份有限公司 | Preparation method of integral powder sintered external optical filter tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106363180B (en) | A kind of preparation method of the outer light type metal filtration membrane tube of nuclear industry | |
| CN103862053B (en) | The preparation method of sintering metal powder filter tube | |
| CN208743691U (en) | A kind of production mould of the powder sintered screen pipe of smooth outer surface type | |
| CN103933872B (en) | Preparation method of multi-channel asymmetric stainless steel membrane | |
| CN109014219A (en) | A kind of production method of the powder sintered screen pipe of smooth outer surface type | |
| CN108188403B (en) | A kind of Ti-Ti5Si3The preparation method of complex gradient porous membrane tube | |
| CN204672053U (en) | A kind of silica flour filter | |
| CN109158607A (en) | A method of preparing the powder sintered multiple filtration pipe of reinforced metal | |
| CN110918985B (en) | Preparation method of integral powder sintered external optical filter tube | |
| CN110788325A (en) | Preparation method and application of stainless steel porous filter tube | |
| CN109364583A (en) | A kind of Industrial cleaning facility Ti-Ti6Si4The preparation method of outer wall light type metallic filtering film tubing | |
| CN110899703B (en) | Preparation method of high-porosity metal film | |
| CN111036887A (en) | Metal matrix ceramic composite infiltrates frock | |
| CN205572663U (en) | Honeycomb ceramic catalyst unburned bricks extrusion device | |
| CN215983647U (en) | High-purity quartz sand drying equipment | |
| CN103170621A (en) | Preparation method of large molybdenum rod blank | |
| CN105016715A (en) | Production method of round-tube-shaped small-diameter ceramic finished products | |
| CN204770670U (en) | Workpiece surface soot blower that powder forming in -process used | |
| CN100455541C (en) | Method for producing high precision cylindrical long stick silicon nitride ceramics | |
| CN102068866A (en) | Method for manufacturing polyethylene microporous filter tube for secondary filtering of compressed air | |
| CN214772874U (en) | Ceramic die-casting forming equipment | |
| CN210730977U (en) | Cold isostatic pressing die for integral powder sintering external light filter tube | |
| CN103302730A (en) | Once shaping method for graphite heating element and special mold thereof | |
| CN208711220U (en) | The porous filter of liquid sodium silicate | |
| CN102485379A (en) | Forming method of special-shaped filter tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190416 Termination date: 20190914 |