CN112174254B - Resin filter screen shape of pure water specific resistance value lifting device and setting method thereof - Google Patents
Resin filter screen shape of pure water specific resistance value lifting device and setting method thereof Download PDFInfo
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- CN112174254B CN112174254B CN202011210015.2A CN202011210015A CN112174254B CN 112174254 B CN112174254 B CN 112174254B CN 202011210015 A CN202011210015 A CN 202011210015A CN 112174254 B CN112174254 B CN 112174254B
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- filter screen
- pure water
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- resin
- resistance value
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 239000011347 resin Substances 0.000 title claims abstract description 56
- 229920005989 resin Polymers 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000007704 transition Effects 0.000 claims abstract description 4
- 238000011049 filling Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 16
- 235000017491 Bambusa tulda Nutrition 0.000 description 16
- 241001330002 Bambuseae Species 0.000 description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 16
- 239000011425 bamboo Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 229910021642 ultra pure water Inorganic materials 0.000 description 5
- 239000012498 ultrapure water Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- SDGKUVSVPIIUCF-UHFFFAOYSA-N 2,6-dimethylpiperidine Chemical compound CC1CCCC(C)N1 SDGKUVSVPIIUCF-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters 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
- B01D29/31—Self-supporting filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/04—Non-contaminated water, e.g. for industrial water supply for obtaining ultra-pure water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention belongs to the technical field of pure water specific resistance value lifting, and particularly relates to a resin filter screen shape of a pure water specific resistance value lifting device and a setting method thereof, wherein the filter screen shape of the pure water lifting maintaining device is integrally conical, the lower end of the filter screen is a closed end, the lower end of the filter screen is in smooth transition, the upper end of the filter screen is an open end, the upper end of the filter screen is in a flat mouth shape, the conicity of the filter screen is between 5 and 30 degrees, and the upper end of the filter screen is provided with a ring-shaped limiting plate; the pure water specific resistance value lifting device is used on a bypass of a main circulation loop of a liquid circulation system, a filter screen of the pure water specific resistance value lifting device can be simply taken out to facilitate resin replacement, and the filter screen is arranged at a pure water outlet and a pure water inlet of the pure water specific resistance value lifting device, so that the phenomenon that resin flows out of the lifting device and enters the main circulation loop due to the fact that the inlet and the outlet are reversely connected through manual operation is avoided.
Description
Technical Field
The invention belongs to the technical field of pure water specific resistance value improvement, and particularly relates to a resin filter screen shape of a pure water specific resistance value improving device and a setting method thereof.
Background
Ultrapure water (ultra water), also known as UP water, is water having a resistivity of 18M Ω cm (25 ℃). The water has few impurities except water molecules, no organic matters such as bacteria, viruses and chlorine-containing dioxin, and certainly no mineral trace elements required by human bodies, namely water with all atoms except oxygen and hydrogen removed. Can be used in the preparation of ultrapure materials (semiconductor element materials, nano fine ceramic materials, etc.) by distillation, deionization, reverse osmosis or other suitable supercritical fine techniques
When the water is purified to the degree of the ultrapure water, no impurities exist in the water, the water cannot conduct electricity, even resistance can be generated after ions in the water are completely removed, the resistivity of the water is called as a water resistance value, the water resistance value is a standard for evaluating the purity of the ultrapure water, and the resistance value which can be reached by the ultrapure water at present can be up to 18.2 megaohms.
The ion exchange resin plays an important role in the industrial ultrapure water treatment process, the particle diameter of the resin is usually about 0.4mm, and the specific resistance value of water is improved through adsorption of the resin on anions and cations.
In order to keep the resin in the hoisting device, pure water is provided with the filter screen that blocks the resin outflow more than resistance hoisting device usually in the water outlet of device, filter screen or filter pulp, the shape of filter screen or open there is the steel mesh of circular aperture, and filter pulp's filter effect is good, nevertheless need change filter pulp when changing the resin, it becomes the consumptive material, and the round aperture steel mesh then is blockked up by the resin easily, and is difficult for the filtration of water.
Disclosure of Invention
In order to overcome the disadvantages of the prior art and solve the problems described in the background art, the present invention provides a resin filter screen shape of a pure water specific resistance value increasing device and a setting method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: the resin filter screen of the pure water specific resistance value improving device is in a conical shape as a whole, the lower end of the filter screen is a closed end, the lower end of the filter screen is in smooth transition, the upper end of the filter screen is an open end, the upper end of the filter screen is in a flat mouth shape, and the taper of the filter screen is 5-30 degrees.
Preferably, the upper end of the filter screen is provided with an annular limiting plate; the inner ring of the limiting plate is fixedly connected to the outer side wall of the filter screen, and the outer ring of the limiting plate protrudes out of the outer side wall of the filter screen.
Preferably, a plurality of strip-shaped gaps are uniformly formed in the side wall of the filter screen; the width of the gap is 0.1-0.4 MM.
Preferably, the upper end surface of the limiting plate is provided with an annular groove; a lifting ring is arranged in the annular groove; the handle ring is semicircular, and two ends of the handle ring are hinged in hinge holes symmetrically formed in the inner side wall of the annular groove.
A resin filter screen setting method of a pure water specific resistance value lifting device is suitable for the shape of the filter screen, and comprises the following steps:
s1: firstly, arranging limiting cylinders at a pure water inlet position and a pure water outlet position of a resin container, wherein the upper end of the limiting cylinder at the pure water inlet position is lower than the upper end of the pure water inlet position, the distance between the lower end of the limiting cylinder at the pure water inlet position and the inner bottom of the resin container is one fourth of the height of the resin container, the upper end of the limiting cylinder at the pure water outlet position is lower than the upper end of the pure water outlet position, and the distance between the lower end of the limiting cylinder at the pure water outlet position and the inner bottom of the resin container is three fourths of the height of the resin container;
s2: after the limiting cylinder is fixed at the pure water inlet and the pure water outlet, filling resin for filtering conductive substances in water into the resin container, wherein the filling height of the resin is between one half and three quarters of the inner depth of the resin container;
s3: preparing two filter screens, erecting one of the filter screens on a limiting cylinder at the position of a pure water inlet, erecting the other filter screen on a limiting cylinder at the position of a pure water outlet, limiting and fixing the filter screens at the position of the pure water inlet and the position of the pure water outlet by the limiting cylinder, and setting and finishing the pure water specific resistance lifting device at the moment.
Preferably, the upper end surface of the limiting cylinder is provided with a plurality of limiting grooves; the limiting grooves are uniformly formed in the upper end face of the limiting barrel, and chamfers are formed in notches of the limiting grooves.
Preferably, the lower end surface of the limiting plate is provided with a limiting buckle; the limiting buckle is in a strip shape, the shape of the limiting buckle is matched with that of the limiting groove, and the limiting buckle is embedded in the limiting groove.
The invention has the technical effects and advantages that:
the filter screen is the permanent material of stereoplasm, and filter screen lateral wall trompil is rectangular gap, and difficult jam, the clearance is simple, has played the effect that filter pulp and steel mesh were compromise.
The pure water specific resistance value lifting device is used on a bypass of a main circulation loop of a liquid circulation system, a filter screen of the pure water specific resistance value lifting device can be simply taken out to facilitate resin replacement, and the filter screens are arranged at a pure water outlet and a pure water inlet of the pure water specific resistance value lifting device, so that the phenomenon that resin flows out of the lifting device and enters the main circulation loop due to the fact that the inlet and the outlet are reversely connected by manual operation is avoided.
Through articulated handle ring in the ring channel for the filter screen is mentioned through handle ring, then places the filter screen on a spacing section of thick bamboo, rotates handle ring after that and attaches in the ring channel, and simultaneously, the filter screen is when needs clearance, when taking off the filter screen from a spacing section of thick bamboo upper end, rotates handle ring in ring channel and carries and draw handle ring, and the filter screen is carried and is drawn this moment.
Drawings
The invention is further described with reference to the following figures and embodiments.
FIG. 1 is a cross-sectional view of a filter screen according to the present invention;
FIG. 2 is a sectional view showing the arrangement of a filter net in a pure water specific resistance increasing apparatus according to the present invention;
FIG. 3 is a perspective view of the filter screen of the present invention;
FIG. 4 is an isometric view of a filter screen according to the present invention;
FIG. 5 is a perspective view of a spacing cylinder of the present invention;
in the figure: the device comprises a filter screen 1, a gap 11, a limiting plate 2, an annular groove 21, a handle ring 22, a limiting buckle 23, a resin container 3, a pure water inlet 31, a pure water outlet 32, a limiting cylinder 4 and a limiting groove 41.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the following embodiments.
As shown in fig. 1 to 5, in the resin filter screen shape of the pure water specific resistance value increasing device according to the present invention, the whole filter screen 1 is conical, the lower end of the filter screen 1 is a closed end, the lower end of the filter screen 1 is in smooth transition, the upper end of the filter screen 1 is an open end, the upper end of the filter screen 1 is in a flat mouth shape, and the taper of the filter screen 1 is between 5 degrees and 30 degrees; the whole shape of filter screen 1 is the toper, conveniently puts into spacing section of thick bamboo 4 with filter screen 1 in, prevents simultaneously that the filter screen 1 card of toper form is in spacing section of thick bamboo 4.
As a specific embodiment of the invention, the upper end of the filter screen 1 is provided with a ring-shaped limiting plate 2; the inner ring of the limiting plate 2 is fixedly connected to the outer side wall of the filter screen 1, and the outer ring of the limiting plate 2 protrudes out of the outer side wall of the filter screen 1; the position of the filter screen 1 is limited at the positions of the pure water inlet 31 and the pure water outlet 32 by the limiting plate 2, and the filter screen 1 is prevented from falling into the resin container 3 from the limiting cylinder 4.
As a specific embodiment of the present invention, a plurality of strip-shaped slits 11 are uniformly formed in the side wall of the filter screen 1; the width of the gap 11 is 0.1-0.4 MM; the side wall of the filter screen is provided with the gap 11 with the width of 0.1-0.4MM, so that the filter screen is not easy to block and is simple to clean, and the resin is effectively intercepted and enters a circulating loop, so that the effect of both cotton filtering and steel mesh is achieved.
As a specific embodiment of the present invention, an annular groove 21 is formed on the upper end surface of the limiting plate 2; a lifting ring 22 is arranged in the annular groove 21; the handle ring 22 is in a semicircular ring shape, and two ends of the handle ring 22 are hinged in hinge holes symmetrically formed in the inner side wall of the annular groove 21; through articulated carrying ring 22 in ring channel 21 for filter screen 1 mentions through carrying ring 22, then places filter screen 1 on a spacing section of thick bamboo 4, will carry ring 22 to rotate attached 21 in the ring channel after that, simultaneously, when filter screen 1 is when needs clearance, when taking off filter screen 1 from a spacing section of thick bamboo 4 upper end, rotate and carry handle ring 22 of ring channel 21, filter screen 1 was carried and is drawn up this moment.
A resin filter screen setting method of a pure water specific resistance value lifting device is suitable for the shape of the filter screen, and comprises the following steps:
s1: firstly, arranging limiting cylinders 4 at the positions of a pure water inlet 31 and a pure water outlet 32 of a resin container 3, wherein the upper end of the limiting cylinder 4 at the position of the pure water inlet 31 is lower than the upper end of the position of the pure water inlet 31, the distance between the lower end of the limiting cylinder 4 at the position of the pure water inlet 31 and the inner bottom of the resin container 3 is one fourth of the height of the resin container 3, the upper end of the limiting cylinder 4 at the position of the pure water outlet 32 is lower than the upper end of the position of the pure water outlet 32, and the distance between the lower end of the limiting cylinder 4 at the position of the pure water outlet 32 and the inner bottom of the resin container 3 is three fourths of the height of the resin container 3;
s2: after the limiting cylinder 4 is fixed at the pure water inlet 31 and the pure water outlet 32, filling resin for filtering conductive substances in water into the resin container 3, wherein the filling height of the resin is between one half and three quarters of the inner depth of the resin container 3;
s3: preparing two filter screens 1, erecting one of the filter screens 1 on a limiting cylinder 4 at the position of a pure water inlet 31, then erecting the other filter screen 1 on a limiting cylinder 4 at the position of a pure water outlet 32, limiting and fixing the filter screens 1 on the position of the pure water inlet 31 and the position of the pure water outlet 32 by the limiting cylinder 4, and finishing the setting of the pure water specific resistance lifting device at the moment.
As a specific embodiment of the present invention, the upper end surface of the limiting cylinder 4 is provided with a plurality of limiting grooves 41; the limiting grooves 41 are uniformly formed in the upper end face of the limiting barrel 4, and chamfers are formed in notches of the limiting grooves 41.
As a specific embodiment of the present invention, the lower end surface of the limiting plate 2 is provided with a limiting buckle 23; the limiting buckles 23 are in strip shapes, the shapes of the limiting buckles 23 are matched with the shapes of the limiting grooves 41, and the limiting buckles 23 are embedded in the limiting grooves 41; place at filter screen 1 at a spacing section of thick bamboo 4 in-process, rotate filter screen 1, make spacing knot 23 of face correspond with spacing groove 41 on a spacing section of thick bamboo 4 under the limiting plate 2, then press down the embedding at spacing groove 41 with spacing knot 23 hard, filter screen 1 passes through the upper end of spacing knot 23 rigid coupling at a spacing section of thick bamboo 4 this moment, avoid filter screen 1 to place back on a spacing section of thick bamboo 4, rivers impact on filter screen 1, lead to filter screen 1 to produce the swing back, rivers directly flow into the emergence of the interior phenomenon of resin container 3 from the space between limiting plate 2 and the spacing section of thick bamboo 4 upper end.
The working principle is as follows: the whole shape of the filter screen 1 is conical, the filter screen 1 is conveniently placed into the limiting cylinder 4, meanwhile, the filter screen 1 in a conical shape is prevented from being clamped in the limiting cylinder 4, the position of the filter screen 1 is limited at the positions of the pure water inlet 31 and the pure water outlet 32 through the limiting plate 2, the filter screen 1 is prevented from falling into the resin container 3 from the limiting cylinder 4, the side wall of the filter screen is provided with a gap 11 with the width of 0.1-0.4MM, the filter screen is not easy to block, the cleaning is simple, and the effective resin interception enters a circulation loop, the effect of taking both filter cotton and a steel mesh into consideration is achieved, the filter screen 1 is lifted through the lifting ring 22 by hinging the lifting ring 22 in the annular groove 21, then the filter screen 1 is placed on the limiting cylinder 4, then the lifting ring 22 is rotationally attached to the annular groove 21, meanwhile, when the filter screen 1 needs to be cleaned, the filter screen 1 is taken down from the upper end of the limiting cylinder 4, the handle ring 22 of the annular groove 21 is rotated and the handle ring 22 is lifted, and the filter screen 1 is lifted up.
Place at filter screen 1 at a spacing section of thick bamboo 4 in-process, rotate filter screen 1, make spacing knot 23 of face correspond with spacing groove 41 on a spacing section of thick bamboo 4 under the limiting plate 2, then press down the embedding at spacing groove 41 with spacing knot 23 hard, filter screen 1 passes through the upper end of spacing knot 23 rigid coupling at a spacing section of thick bamboo 4 this moment, avoid filter screen 1 to place back on a spacing section of thick bamboo 4, rivers impact on filter screen 1, lead to filter screen 1 to produce the swing back, rivers directly flow into the emergence of the interior phenomenon of resin container 3 from the space between limiting plate 2 and the spacing section of thick bamboo 4 upper end.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. A resin filter screen setting method of a pure water specific resistance value lifting device is characterized by comprising the following steps: the setting method comprises the following steps:
s1: firstly, arranging a limiting cylinder (4) at the position of a pure water inlet (31) and the position of a pure water outlet (32) of a resin container (3), wherein the upper end of the limiting cylinder (4) at the position of the pure water inlet (31) is lower than the upper end of the position of the pure water inlet (31), the distance between the lower end of the limiting cylinder (4) at the position of the pure water inlet (31) and the inner bottom of the resin container (3) is one fourth of the height of the resin container (3), the upper end of the limiting cylinder (4) at the position of the pure water outlet (32) is lower than the upper end of the position of the pure water outlet (32), and the distance between the lower end of the limiting cylinder (4) at the position of the pure water outlet (32) and the inner bottom of the resin container (3) is three quarters of the height of the resin container (3);
s2: after the limiting cylinder (4) is fixed at the pure water inlet (31) and the pure water outlet (32), filling resin for filtering conductive substances in water into the resin container (3), wherein the filling height of the resin is between one half and three quarters of the inner depth of the resin container (3);
s3: preparing two filter screens (1), erecting one filter screen (1) on a limiting cylinder (4) at the position of a pure water inlet (31), then erecting the other filter screen (1) on the limiting cylinder (4) at the position of a pure water outlet (32), limiting and fixing the filter screens (1) at the positions of the pure water inlet (31) and the pure water outlet (32) by the limiting cylinder (4), and finishing the setting of a pure water specific resistance value lifting device;
the whole filter screen (1) is conical, the lower end of the filter screen (1) is a closed end, the lower end of the filter screen (1) is in smooth transition, the upper end of the filter screen (1) is an open end, the upper end of the filter screen (1) is in a flat mouth shape, and the taper of the filter screen (1) is 5-30 degrees;
the upper end of the filter screen (1) is provided with an annular limiting plate (2); the inner ring of the limiting plate (2) is fixedly connected to the outer side wall of the filter screen (1), and the outer ring of the limiting plate (2) protrudes out of the outer side wall of the filter screen (1);
a plurality of strip-shaped gaps (11) are uniformly formed in the side wall of the filter screen (1); the width of the gap (11) is 0.1-0.4 mm;
an annular groove (21) is formed in the upper end face of the limiting plate (2); a lifting ring (22) is arranged in the annular groove (21); the handle ring (22) is semicircular, and the two ends of the handle ring (22) are hinged in hinge holes symmetrically formed in the inner side wall of the annular groove (21).
2. The setting method of the resin filter screen of the pure water specific resistance value improving device according to claim 1, characterized in that: the upper end surface of the limiting cylinder (4) is provided with a plurality of limiting grooves (41); the limiting grooves (41) are uniformly formed in the upper end face of the limiting barrel (4), and chamfers are formed in the notches of the limiting grooves (41).
3. The setting method of the resin filter screen of the pure water specific resistance value improving device according to claim 1, characterized in that: the lower end face of the limiting plate (2) is provided with a limiting buckle (23); the limiting buckle (23) is in a strip shape, the shape of the limiting buckle (23) is matched with that of the limiting groove (41), and the limiting buckle (23) is embedded in the limiting groove (41).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011210015.2A CN112174254B (en) | 2020-11-03 | 2020-11-03 | Resin filter screen shape of pure water specific resistance value lifting device and setting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011210015.2A CN112174254B (en) | 2020-11-03 | 2020-11-03 | Resin filter screen shape of pure water specific resistance value lifting device and setting method thereof |
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| CN112174254B true CN112174254B (en) | 2021-07-27 |
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