CN107050978A - One kind opens basket filter and its preparation technology soon - Google Patents

One kind opens basket filter and its preparation technology soon Download PDF

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Publication number
CN107050978A
CN107050978A CN201710286431.2A CN201710286431A CN107050978A CN 107050978 A CN107050978 A CN 107050978A CN 201710286431 A CN201710286431 A CN 201710286431A CN 107050978 A CN107050978 A CN 107050978A
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CN
China
Prior art keywords
flange
filter
supervisor
basket
strand
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
Application number
CN201710286431.2A
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Chinese (zh)
Inventor
邓冬
李忠云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUXI HUAERTAI MACHINERY MANUFACTURING Co Ltd
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WUXI HUAERTAI MACHINERY MANUFACTURING Co Ltd
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Publication date
Application filed by WUXI HUAERTAI MACHINERY MANUFACTURING Co Ltd filed Critical WUXI HUAERTAI MACHINERY MANUFACTURING Co Ltd
Priority to CN201710286431.2A priority Critical patent/CN107050978A/en
Publication of CN107050978A publication Critical patent/CN107050978A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/111Making filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/117Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C1/00Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C19/00Alloys based on nickel or cobalt
    • C22C19/03Alloys based on nickel or cobalt based on nickel
    • C22C19/05Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/056Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/002Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/10Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

Basket filter is opened soon the invention discloses one kind, including entrance sleeve, discharge connection and supervisor, entrance sleeve and discharge connection are connected with supervisor, filter basket is provided with supervisor, it is responsible for open at one end and is provided with flange, supervisor is additionally provided with blind flange provided with flange one end, and blind flange is connected fastening with flange by clip and clip fastening bolt, blind flange is processed into the face being in contact in inclined-plane, clip with blind flange and flange with the one side being in contact on flange with clip and is processed into inclined-plane respectively;The present invention also designs one kind and opens basket filter preparation technology soon, and the filtration device structure is simple, good airproof performance, easy installation and removal, and realization is quick to open, and preparation is simple, with low cost.

Description

One kind opens basket filter and its preparation technology soon
Technical field
The present invention relates to a kind of filter, and in particular to one kind opens basket filter soon.
Background technology
Liquid and gas material of the basket filter suitable for the production such as petrochemical industry, coal chemical industry, consolidate to filter it Body impurity, is typically mounted on the pipeline before pump, the entrance of compressor or flow instrument, to protect this kind equipment or instrument, basket The filter element of formula filter is generally porous plate and filter screen, and porous plate plays a part of reinforcement, and filter screen plays the work of filtering With, filter with the increase of running time, the impurity being deposited on filter core also increases further, at the same effective filtration area also by Step is less, and resistance drop is incrementally increased with the reduction of filter area, when resistance drop exceedes permissible value, can cause follow-up Pump, compressor etc. can not normally be worked;Now, the method being commonly used in operation is exactly to open the lid of filter, It is continuing with after internal filter core is taken out cleaning or replacing, it is so clear because the impurity that some media contain in itself is more The cycle washed is just shorter, and the fastening of traditional basket filter is carried out by flange, bolt, nut, such structure To be frequently necessary to dismounting occasion it is just very inapplicable.
The content of the invention
The technical problems to be solved by the invention are that the shortcoming for overcoming prior art opens basket filter soon there is provided one kind And its preparation technology, simply, quick unlatching is realized in good airproof performance, easy installation and removal to the filtration device structure, and preparation technology is simple It is easy, it is with low cost.
In order to solve the above technical problems, the present invention provides one kind opens basket filter soon, including entrance sleeve, outlet connect Pipe and supervisor, entrance sleeve and discharge connection are connected with supervisor, and filter basket is provided with supervisor, wherein:
Supervisor is divided into filter chamber and clean room by the filter basket being arranged in supervisor, and filter chamber is located in filter basket and and entrance sleeve Connection, clean room is located at filtering outdoor and connected with discharge connection;
It is responsible for open at one end and is provided with flange, supervisor is additionally provided with blind flange provided with flange one end, and flange should be adapted with flange, flange Lid is connected fastening with flange by clip and clip fastening bolt, and blind flange adds respectively with the one side being in contact on flange with clip Work is into inclined-plane, and inclined-plane is processed into the interior face being in contact with blind flange and flange of clip;
The angle that inclined-plane on blind flange is formed counterclockwise with flange cap upper surface horizontal plane is 15 °, inclined-plane and method on flange The angle that blue upper surface horizontal plane is formed counterclockwise is 15 °, and the inclined-plane on clip is adapted with the inclined-plane on blind flange and flange, Bevel angle on clip is 15 °.
The technical scheme that further limits of the present invention is:
Further, it is foregoing to open soon in basket filter, O-ring seal is additionally provided between blind flange and flange, strengthens sealing Can, improve the efficiency of cleaning.
Foregoing to open soon in basket filter, supervisor facilitates deslagging away from slag-drip opening is also provided with one end provided with blind flange.
Foregoing to open soon in basket filter, filter basket is made up of filter cylinder and filter core, and dirt is received in the bottom of filter cylinder provided with least two Bag, receiving the lower end of dirty bag is tightened by cotton rope and remains silent, and the filter layer of filter core is followed successively by stainless steel plate filter mesh layer from outside to inside, stainless Steel net layer and foam Guinier-Preston zone.
Technique effect, receiving dirty bag can be with the impurity of stored filter, and receives dirty bag because gravity is perpendicular to the lower end of filter cylinder, no Impurity backflow secondary pollution occurs, the pressure of filter basket is also mitigated, directly send the rope that bursts at the seams to can remove impurity during follow-up cleaning, Extend the service life of filter basket.
Foregoing to open soon in basket filter, filter basket, which is inverted, to be arranged in supervisor.
Technique effect, employs inverted filter basket so that the iron rust of larger particles is beaten because gravity natural subsidence is to bottom Begin to rehearse the discharge waste residue that cinder notch can be convenient and simple, also can in slight block, just high back flush is cleared up filter basket, and From slag-drip opening discharge, the service life of extension filter basket improves filter effect, has saved the time.
Foregoing to open soon in basket filter, entrance sleeve is less than discharge connection.
Technique effect, the form of low in and high out changes the flow direction of liquid so that all filter areas of filter basket can be fully The effect of filtering is played, while back flush can be realized, and in slag-drip opening, safeguards that cleaning is simple and easy to apply.
Foregoing to open soon in basket filter, entrance sleeve be arranged in parallel with discharge connection, and supervisor connects with entrance sleeve, outlet In 45 degree of angles between pipe.
Technique effect, it is at an angle between entrance sleeve and discharge connection, can be such that regardless of being in horizontal pipe Or in the vertical pipeline of medium from lower to upper, it is ensured that the impurity that filtering is stayed, which will not flow back, causes secondary pollution.
The present invention have also been devised a kind of preparation technology for opening basket filter soon, and the main processing work of basket filter is opened soon Sequence is that supervisor, entrance sleeve, discharge connection, filter basket, flange, the processing of flange cover assemble part, most laggard Row pressure test, wherein:The forging technology of flange specifically includes following steps:
(1)Corresponding casting mold is blended out with Modeling Material according to the shape of flange, and cast gate is provided with casting mold, then by casting mold It is placed in baker and is dried at 100-150 DEG C, it is stand-by;
(2)By the raw material feeding EBT electric arc furnaces of flange, slightly refining causes each component fusing of flange and aoxidized that the temperature slightly refined is 900-1000 DEG C, the duration of heat is 1-2h, is then re-fed into LF refining furnace and is refined and deaerated work, obtains casting liquid, smelting It is 1200-1500 DEG C to refine temperature, and the duration of heat is 2-4h, and Chemical Calculation, strict control flange each group are carried out in smelting process Divide and be by mass percentage:
Mo:5-7%, Fe:4-8%, C:0.01-0.03%, Si:0.2-0.6%, Co:2-5%, Mn:1-3%, P:0.025-0.028%, S:0.01-0.03%, Cr:13-17%, W:0.2-0.4%, V:0.2-0.6%, Cu:0.5-0.9%, Nb:0.03-0.05%, Ta: 0.02-0.06%, remaining is Ni;
(3)By step(2)In obtained casting liquid implantation step(1)In in ready casting mold, obtain strand;
(4)Casting billet surface is cleared up with stainless steel brush or emery wheel, is then immersed in the mixed solution of nitric acid and hydrofluoric acid sour Wash, finally rinsed well with clear water, the strand after cleaning is heat-treated after drying, heat treatment concrete operations are:
By strand stove heat to 300-380 DEG C, 1-2h is incubated, then stove is cooled to 200-250 DEG C, then turns on fire door and continue slow cooling To slab cooling to 100-150 DEG C, 45-60min is incubated, strand is obtained lath martensite tissue;
Strand is warming up to 350-370 DEG C with 5-8 DEG C/min programming rate and be incubated 1-2h, come out of the stove, through the first refrigerating work procedure 150-200 DEG C is cooled to, then is cooled to through the second refrigerating work procedure;
First refrigerating work procedure is specially:Water smoke or compressed air is used first to arrive slab cooling with 2-5 DEG C per second of cooling velocity 200-280 DEG C, then carry out the second refrigerating work procedure;
Second refrigerating work procedure is specially:Combined using water cooling with air cooling, first use water cooling will with 3.5-3.7 DEG C/s cooldown rate Then strand water cooling is air-cooled to 80-90 DEG C to 100-150 DEG C, then uses water cooling with 2.5-2.7 DEG C/s cooldown rate by strand Water cooling is finally air-cooled to room temperature to 50-60 DEG C;
(5)Strand after heat treatment is cooled down adds through blast cleaning and machinery, and carries out ultrasound examination, detects qualified as method It is blue.
The technical scheme that further limits of the present invention is:
Further, in the foregoing preparation technology for opening basket filter soon, step(1)Modeling Material includes by mass percentage Following component:Silica sand:89%, bentonite:7%, additive:1% and water:3.0 %, silica sand be by 50/100-70/140 mesh silica sands Mix, bentonite is sodium bentonite and calcium-base bentonite mixture, and additive is that α starch and dextrin are 3 by weight: 1 ratio mixing.
The beneficial effects of the invention are as follows:
The one side of flange and blind flange is processed into inclined-plane, bevel angle is 15 °, and clip bevel angle is 15 °, with flange and method The inclined-plane of orchid lid is engaged, while saving material, and the complementary reinforcement tightness and outward appearance between angle are not protruded concordantly and strengthened Aesthetic property, cancels the bolt hole of flange, clip, which is divided between two parts, two parts, to be connected with, and fastening is only needed to during installation Two bolts, changing former flange connection needs the situation of the whole circle bolt of fastening one, equally, during dismounting, it is only necessary to by card Banding fixing bolt, which unclamps, can remove clip, can just open the top cover of basket filter quickly in the presence of pivoted arm, realize The target quickly opened, is fastened using clip, convenient and swift.
The mode opened soon, greatly reduces labor intensity, improves cleaning efficiency so that the cleaning of filter is safer It is convenient and swift, the time is saved, cost is reduced.
The present invention is first dried in cast to casting mold, can reduce the polishing workload in later stage, reduces later stage soldering Pulling force in workload, reduction casting process between cold and hot molten steel, it is to avoid organization internal is loose while reduction cast(ing) surface is trickle Stomata produce.
The combination property that the present invention carries out heat treatment raising product to blank is to have also to have certain toughness outside hardness, The determination of heat treatment temperature should be to obtain uniform and tiny austenite crystal as principle, to obtain tiny geneva after quenching Body tissue, growing up for austenite crystal is directly proportional to hardening heat, carries out temper to product in time after quenching, can not only disappear The stress produced during except quenching, can also obtain a number of tempered martensite, it is ensured that the high rigidity of product is carried again simultaneously The high toughness of product.
Brief description of the drawings
Fig. 1 is structural representation of the invention;
Fig. 2 is the structural representation of flange in Fig. 1;
In figure:1- entrance sleeves, 2- discharge connections, 3- supervisors, 4- filter baskets, 5- flanges, 6- blind flanges, 7- clips, 8- slag-drip openings, 9-O type sealing rings, 10- clip fastening bolts.
Embodiment
Embodiment 1
One kind that the present embodiment is provided opens basket filter soon, structure as shown in Figure 1-2, including entrance sleeve 1, discharge connection 2 And supervisor 3, entrance sleeve 1 and discharge connection 2 are connected with supervisor 3, provided with filter basket 4 in supervisor 3, wherein:
Supervisor is divided into filter chamber and clean room by the filter basket 4 being arranged in supervisor 3, and filter chamber is located in filter basket 4 and and import Adapter 1 is connected, and clean room is located at filtering outdoor and connected with discharge connection 2;
3 open at one end are responsible for provided with flange 5, supervisor 3 is additionally provided with blind flange 6 provided with the one end of flange 5, and blind flange 6 is mutually fitted with flange 5 Match somebody with somebody, O-ring seal 9 is additionally provided between blind flange 6 and flange 5, blind flange 6 passes through clip 7 and clip fastening bolt 10 with flange 5 Connection fastening, blind flange 6 and the one side being in contact on flange 5 with clip 7 be processed into respectively in inclined-plane, clip 7 and blind flange 6 and Inclined-plane is processed into the face that flange 5 is in contact, and supervisor 3 is also provided with slag-drip opening 8 on remote one end provided with blind flange 6;
The angle that inclined-plane on blind flange 6 is formed counterclockwise with the upper surface horizontal plane of blind flange 6 is 15 °, the inclined-plane on flange 5 with The angle that the upper surface horizontal plane of flange 5 is formed counterclockwise is 15 °, the inclined-plane on clip 7 and the inclined-plane on blind flange 6 and flange 5 It is adapted, the bevel angle on clip 7 is 15 °.
Filter basket 4 is made up of filter cylinder and filter core, and dirty bag is received in the bottom of filter cylinder provided with least two, is received the lower end of dirty bag and is passed through line Rope, which is tightened, remains silent, and the filter layer of filter core is followed successively by stainless steel plate filter mesh layer, stainless steel wire filter mesh layer and foam aggregation from outside to inside Layer.
In the present embodiment, filter basket 4, which can be inverted, is arranged in supervisor 3.
The set-up mode of entrance sleeve and discharge connection can enumerate two kinds, a kind of entrance sleeve 1 with a variety of in the present embodiment Less than discharge connection 2;Another, entrance sleeve 1 be arranged in parallel with discharge connection 2, supervisor 3 and entrance sleeve 1, discharge connection 2 Between in 45 degree of angles.
Embodiment 2
A kind of preparation technology for opening basket filter soon that the present embodiment is provided, opens the main manufacturing procedure of basket filter soon For part is assembled, finally carried out by supervisor, entrance sleeve, discharge connection, filter basket, flange, the processing of flange cover Pressure test, wherein:The forging technology of flange specifically includes following steps:
(1)Corresponding casting mold is blended out with Modeling Material according to the shape of flange, and cast gate is provided with casting mold, then by casting mold It is placed in baker and is dried at 130 DEG C, it is stand-by;
(2)By the raw material feeding EBT electric arc furnaces of flange, slightly refining causes each component fusing of flange and aoxidized that the temperature slightly refined is 950 DEG C, the duration of heat is 1h, is then re-fed into LF refining furnace and is refined and deaerated work, obtains casting liquid, smelting temperature is 1300 DEG C, the duration of heat is 3h, Chemical Calculation is carried out in smelting process, strict control flange each component is by mass percentage For:
Mo:6%, Fe:6%, C:0.02%, Si:0.4%, Co:3%, Mn:2%, P:0.027%, S:0.02%, Cr:15%, W:0.3%, V:0.4%, Cu:0.7%, Nb:0.04%, Ta:0.04%, remaining is Ni;
(3)By step(2)In obtained casting liquid implantation step(1)In in ready casting mold, obtain strand;
(4)Casting billet surface is cleared up with stainless steel brush or emery wheel, is then immersed in the mixed solution of nitric acid and hydrofluoric acid sour Wash, finally rinsed well with clear water, the strand after cleaning is heat-treated after drying, heat treatment concrete operations are:
By strand stove heat to 350 DEG C, 2h is incubated, then stove is cooled to 230 DEG C, then turns on fire door and continue slow cooling to slab cooling To 130 DEG C, 50min is incubated, strand is obtained lath martensite tissue;
Strand is warming up to 360 DEG C with 7 DEG C/min programming rate and be incubated 1h, come out of the stove, 180 are cooled to through the first refrigerating work procedure DEG C, then it is cooled to room temperature through the second refrigerating work procedure;
First refrigerating work procedure is specially:Use water smoke or compressed air with 3 DEG C per second of cooling velocity first by slab cooling to 250 DEG C, then carry out the second refrigerating work procedure;
Second refrigerating work procedure is specially:Combined using water cooling with air cooling, first use water cooling with 3.6 DEG C/s cooldown rate by strand Then water cooling is air-cooled to 85 DEG C to 130 DEG C, then use water cooling with 2.6 DEG C/s cooldown rate by strand water cooling to 55 DEG C, finally It is air-cooled to room temperature;
(5)Strand after heat treatment is cooled down adds through blast cleaning and machinery, and carries out ultrasound examination, detects qualified as method It is blue.
Step(1)Modeling Material includes following component by mass percentage:Silica sand:89%, bentonite:7%, additive: 1% and water:3.0 %, silica sand is mixed by 50/100-70/140 mesh silica sands, and bentonite is sodium bentonite and calcium base swelling Earth mixtures, additive is that α starch and dextrin are 3 by weight:1 ratio mixing.
Embodiment 3
A kind of preparation technology for opening basket filter soon that the present embodiment is provided, opens the main manufacturing procedure of basket filter soon For part is assembled, finally carried out by supervisor, entrance sleeve, discharge connection, filter basket, flange, the processing of flange cover Pressure test, wherein:The forging technology of flange specifically includes following steps:
(1)Corresponding casting mold is blended out with Modeling Material according to the shape of flange, and cast gate is provided with casting mold, then by casting mold It is placed in baker and is dried at 100 DEG C, it is stand-by;
(2)By the raw material feeding EBT electric arc furnaces of flange, slightly refining causes each component fusing of flange and aoxidized that the temperature slightly refined is 900 DEG C, the duration of heat is 1h, is then re-fed into LF refining furnace and is refined and deaerated work, obtains casting liquid, smelting temperature is 1200 DEG C, the duration of heat is 2h, Chemical Calculation is carried out in smelting process, strict control flange each component is by mass percentage For:
Mo:5%, Fe:4%, C:0.01%, Si:0.2%, Co:2%, Mn:1%, P:0.025%, S:0.01%, Cr:13%, W:0.2%, V:0.2%, Cu:0.5%, Nb:0.03%, Ta:0.02%, remaining is Ni;
(3)By step(2)In obtained casting liquid implantation step(1)In in ready casting mold, obtain strand;
(4)Casting billet surface is cleared up with stainless steel brush or emery wheel, is then immersed in the mixed solution of nitric acid and hydrofluoric acid sour Wash, finally rinsed well with clear water, the strand after cleaning is heat-treated after drying, heat treatment concrete operations are:
By strand stove heat to 300 DEG C, 1h is incubated, then stove is cooled to 200 DEG C, then turns on fire door and continue slow cooling to slab cooling To 100 DEG C, 45min is incubated, strand is obtained lath martensite tissue;
Strand is warming up to 350 DEG C with 5 DEG C/min programming rate and be incubated 1h, come out of the stove, 150 are cooled to through the first refrigerating work procedure DEG C, then it is cooled to room temperature through the second refrigerating work procedure;
First refrigerating work procedure is specially:Use water smoke or compressed air with 2 DEG C per second of cooling velocity first by slab cooling to 200 DEG C, then carry out the second refrigerating work procedure;
Second refrigerating work procedure is specially:Combined using water cooling with air cooling, first use water cooling with 3.5 DEG C/s cooldown rate by strand Then water cooling is air-cooled to 80 DEG C to 100 DEG C, then use water cooling with 2.5 DEG C/s cooldown rate by strand water cooling to 50 DEG C, finally It is air-cooled to room temperature;
(5)Strand after heat treatment is cooled down adds through blast cleaning and machinery, and carries out ultrasound examination, detects qualified as method It is blue.
Step(1)Modeling Material includes following component by mass percentage:Silica sand:89%, bentonite:7%, additive: 1% and water:3.0 %, silica sand is mixed by 50/100-70/140 mesh silica sands, and bentonite is sodium bentonite and calcium base swelling Earth mixtures, additive is that α starch and dextrin are 3 by weight:1 ratio mixing.
Embodiment 4
A kind of preparation technology for opening basket filter soon that the present embodiment is provided, opens the main manufacturing procedure of basket filter soon For part is assembled, finally carried out by supervisor, entrance sleeve, discharge connection, filter basket, flange, the processing of flange cover Pressure test, wherein:The forging technology of flange specifically includes following steps:
(1)Corresponding casting mold is blended out with Modeling Material according to the shape of flange, and cast gate is provided with casting mold, then by casting mold It is placed in baker and is dried at 150 DEG C, it is stand-by;
(2)By the raw material feeding EBT electric arc furnaces of flange, slightly refining causes each component fusing of flange and aoxidized that the temperature slightly refined is 1000 DEG C, the duration of heat is 2h, is then re-fed into LF refining furnace and is refined and deaerated work, obtains casting liquid, smelting temperature For 1500 DEG C, the duration of heat is 4h, Chemical Calculation is carried out in smelting process, strict control flange each component is by mass percentage It is calculated as:
Mo:7%, Fe:8%, C:0.03%, Si:0.6%, Co:5%, Mn:3%, P:0.028%, S:0.03%, Cr:17%, W:00.4%, V:0.6%, Cu:0.9%, Nb:0.05%, Ta:0.06%, remaining is Ni;
(3)By step(2)In obtained casting liquid implantation step(1)In in ready casting mold, obtain strand;
(4)Casting billet surface is cleared up with stainless steel brush or emery wheel, is then immersed in the mixed solution of nitric acid and hydrofluoric acid sour Wash, finally rinsed well with clear water, the strand after cleaning is heat-treated after drying, heat treatment concrete operations are:
By strand stove heat to 380 DEG C, 2h is incubated, then stove is cooled to 250 DEG C, then turns on fire door and continue slow cooling to slab cooling To 150 DEG C, 60min is incubated, strand is obtained lath martensite tissue;
Strand is warming up to 370 DEG C with 8 DEG C/min programming rate and be incubated 2h, come out of the stove, 200 are cooled to through the first refrigerating work procedure DEG C, then it is cooled to room temperature through the second refrigerating work procedure;
First refrigerating work procedure is specially:Use water smoke or compressed air with 5 DEG C per second of cooling velocity first by slab cooling to 280 DEG C, then carry out the second refrigerating work procedure;
Second refrigerating work procedure is specially:Combined using water cooling with air cooling, first use water cooling with 3.7 DEG C/s cooldown rate by strand Then water cooling is air-cooled to 90 DEG C to 150 DEG C, then use water cooling with 2.7 DEG C/s cooldown rate by strand water cooling to 60 DEG C, finally It is air-cooled to room temperature;
(5)Strand after heat treatment is cooled down adds through blast cleaning and machinery, and carries out ultrasound examination, detects qualified as method It is blue.
Step(1)Modeling Material includes following component by mass percentage:Silica sand:89%, bentonite:7%, additive: 1% and water:3.0 %, silica sand is mixed by 50/100-70/140 mesh silica sands, and bentonite is sodium bentonite and calcium base swelling Earth mixtures, additive is that α starch and dextrin are 3 by weight:1 ratio mixing.
In addition to the implementation, the present invention can also have other embodiment.All use equivalent substitution or equivalent transformation shape Into technical scheme, all fall within the protection domain of application claims.

Claims (9)

1. one kind opens basket filter soon, it is characterised in that:Including entrance sleeve(1), discharge connection(2)And supervisor(3), it is described Entrance sleeve(1)And discharge connection(2)With the supervisor(3)Connection, the supervisor(3)It is interior to be provided with filter basket(4), wherein:
It is arranged on the supervisor(3)Interior filter basket(4)Supervisor is divided into filter chamber and clean room, the filter chamber is located at filter basket (4)Interior and and entrance sleeve(1)Connection, the clean room is located at filtering outdoor and and discharge connection(2)Connection;
The supervisor(3)Open at one end is provided with flange(5), the supervisor(3)Provided with flange(5)One end is additionally provided with blind flange(6), The blind flange(6)With the flange(5)It is adapted, the blind flange(6)With flange(5)Pass through clip(7)And clip fastening Bolt(10)Connection fastening, the blind flange(6)With flange(5)The upper and clip(7)The one side being in contact is processed into respectively Inclined-plane, the clip(7)The interior and blind flange(6)And flange(5)It is processed into inclined-plane in the face being in contact;
The blind flange(6)On inclined-plane and blind flange(6)The angle that upper surface horizontal plane is formed counterclockwise is 15 °, the method It is blue(5)On inclined-plane and the flange(5)The angle that upper surface horizontal plane is formed counterclockwise is 15 °, the clip(7)On it is oblique Face and the blind flange(6)And flange(5)On inclined-plane be adapted, the clip(7)On bevel angle be 15 °.
2. according to claim 1 open basket filter soon, it is characterised in that:The blind flange(6)With flange(5)Between It is additionally provided with O-ring seal(9).
3. according to claim 1 open basket filter soon, it is characterised in that:The supervisor(3)Away from provided with blind flange (6)One end on be also provided with slag-drip opening(8).
4. according to claim 1 open basket filter soon, it is characterised in that:The filter basket(4)By filter cylinder and filter core group Dirty bag is received provided with least two, the lower end for receiving dirty bag is tightened by cotton rope remains silent, the filter core into the bottom of, the filter cylinder Filter layer be followed successively by stainless steel plate filter mesh layer, stainless steel wire filter mesh layer and foam Guinier-Preston zone from outside to inside.
5. according to claim 1 open basket filter soon, it is characterised in that:The filter basket(4)Inversion is arranged on described Supervisor(3)It is interior.
6. according to claim 1 open basket filter soon, it is characterised in that:The entrance sleeve(1)Less than it is described go out Mouth adapter(2).
7. according to claim 1 open basket filter soon, it is characterised in that:The entrance sleeve(1)With the outlet Adapter(2)It is arranged in parallel, the supervisor(3)With entrance sleeve(1), discharge connection(2)Between in 45 degree of angles.
8. the preparation technology as claimed in claim 1 for opening basket filter soon, it is characterised in that:The master for opening basket filter soon It is that supervisor, entrance sleeve, discharge connection, filter basket, flange, the processing of flange cover load parts group to want manufacturing procedure Come, finally carry out pressure test, wherein:The forging technology of the flange specifically includes following steps:
(1)Corresponding casting mold is blended out with Modeling Material according to the shape of flange, and cast gate is provided with casting mold, then by casting mold It is placed in baker and is dried at 100-150 DEG C, it is stand-by;
(2)By the raw material feeding EBT electric arc furnaces of flange, slightly refining causes each component fusing of flange and aoxidized that the temperature slightly refined is 900-1000 DEG C, the duration of heat is 1-2h, is then re-fed into LF refining furnace and is refined and deaerated work, obtains casting liquid, smelting It is 1200-1500 DEG C to refine temperature, and the duration of heat is 2-4h, and Chemical Calculation, strict control flange each group are carried out in smelting process Divide and be by mass percentage:
Mo:5-7%, Fe:4-8%, C:0.01-0.03%, Si:0.2-0.6%, Co:2-5%, Mn:1-3%, P:0.025-0.028%, S:0.01-0.03%, Cr:13-17%, W:0.2-0.4%, V:0.2-0.6%, Cu:0.5-0.9%, Nb:0.03-0.05%, Ta: 0.02-0.06%, remaining is Ni;
(3)By step(2)In obtained casting liquid implantation step(1)In in ready casting mold, obtain strand;
(4)Casting billet surface is cleared up with stainless steel brush or emery wheel, is then immersed in the mixed solution of nitric acid and hydrofluoric acid sour Wash, finally rinsed well with clear water, the strand after cleaning is heat-treated after drying, the heat treatment concrete operations are:
By strand stove heat to 300-380 DEG C, 1-2h is incubated, then stove is cooled to 200-250 DEG C, then turns on fire door and continue slow cooling To slab cooling to 100-150 DEG C, 45-60min is incubated, strand is obtained lath martensite tissue;
Strand is warming up to 350-370 DEG C with 5-8 DEG C/min programming rate and be incubated 1-2h, come out of the stove, through the first refrigerating work procedure 150-200 DEG C is cooled to, then is cooled to through the second refrigerating work procedure;
First refrigerating work procedure is specially:Use water smoke or compressed air first that strand is cold with 2-5 DEG C per second of cooling velocity But 200-280 DEG C is arrived, the second refrigerating work procedure is then carried out;
Second refrigerating work procedure is specially:Combined using water cooling with air cooling, first use water cooling with 3.5-3.7 DEG C/s cooling speed Strand water cooling to 100-150 DEG C, is then air-cooled to 80-90 DEG C, then use water cooling will with 2.5-2.7 DEG C/s cooldown rate by rate Strand water cooling is finally air-cooled to room temperature to 50-60 DEG C;
(5)Strand after heat treatment is cooled down adds through blast cleaning and machinery, and carries out ultrasound examination, detects qualified as method It is blue.
9. the preparation technology according to claim 8 for opening basket filter soon, it is characterised in that:Step(1)Modeling Material Include following component by mass percentage:Silica sand:89%, bentonite:7%, additive:1% and water:3.0 %, described silica sand It is to be mixed by 50/100-70/140 mesh silica sands, described bentonite is sodium bentonite and calcium-base bentonite mixture, institute The additive stated is that α starch and dextrin are 3 by weight:1 ratio mixing.
CN201710286431.2A 2017-04-27 2017-04-27 One kind opens basket filter and its preparation technology soon Pending CN107050978A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204017510U (en) * 2014-08-20 2014-12-17 温州博源阀门有限公司 Horizontal-vertical double-purpose opens basket filter soon
CN104791564A (en) * 2015-03-31 2015-07-22 无锡市华尔泰机械制造有限公司 C276 Hastelloy alloy flange and production technology thereof
CN106402539A (en) * 2016-10-20 2017-02-15 核工业理化工程研究院 Novel flange connecting structure
CN206823326U (en) * 2017-04-27 2018-01-02 无锡市华尔泰机械制造有限公司 One kind opens basket filter soon

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204017510U (en) * 2014-08-20 2014-12-17 温州博源阀门有限公司 Horizontal-vertical double-purpose opens basket filter soon
CN104791564A (en) * 2015-03-31 2015-07-22 无锡市华尔泰机械制造有限公司 C276 Hastelloy alloy flange and production technology thereof
CN106402539A (en) * 2016-10-20 2017-02-15 核工业理化工程研究院 Novel flange connecting structure
CN206823326U (en) * 2017-04-27 2018-01-02 无锡市华尔泰机械制造有限公司 One kind opens basket filter soon

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