CN212102426U - Ultrapure water pretreatment device - Google Patents

Abstract

The utility model provides an ultrapure water pretreatment device belongs to ultrapure water treatment technical field for the efficiency that improves ultrapure water pretreatment and the technical problem of quality are solved. The device comprises a box body and a booster pump, wherein the interior of the box body is divided into a first chamber, a second chamber, a third chamber, a fourth chamber and a fifth chamber through a first annular enclosing plate, a first supporting plate, a second annular enclosing plate and a second supporting plate, a multi-medium filtering mechanism is arranged in the second chamber, a chlorination mechanism is arranged in the third chamber, an activated carbon filtering mechanism is arranged in the fourth chamber, and a degassing and softening mechanism is arranged in the fifth chamber; the ultrapure water pretreatment device integrates five filtering processes of multi-medium filtering, chlorination, activated carbon filtering, softening and degassing in ultrapure water pretreatment, greatly improves the efficiency of ultrapure water pretreatment, and improves the quality of pretreated water.

Description

Ultrapure water pretreatment device

Technical Field

The utility model belongs to the technical field of ultrapure water handles, a ultrapure water processing apparatus, especially an ultrapure water pretreatment device is related to.

Background

Ultrapure water is water which has been used for almost completely removing conductive media in water and removing colloid substances, gases and organic substances which are not dissociated in water to a very low degree, and has a resistivity of 10M omega cm (25 ℃), and is often used as a water vapor source for cleaning semiconductor raw materials and utensils used in the integrated circuit industry, preparing photolithographic masks, oxidizing silicon wafers, and the like, and is also used as a material for manufacturing other solid-state electronic devices, thick film and thin film circuits, printed circuits, vacuum tubes, and the like;

the technical equipment for purifying water treatment in the field of water treatment is numerous, but most of the technical equipment needs to pretreat water when in use, suspended particles or coarse impurities in the water are prevented from easily fouling and blocking a filter unit of the purified water treatment equipment, the function of the pretreatment equipment aiming at water is single at present, the pretreatment process comprises five processes of multi-medium filtration, chlorination, activated carbon filtration, softening, degassing and the like, so that the pretreatment efficiency is low, a plurality of pretreatment equipment occupy a large amount of space in comprehensive practical use, the site has high requirements, and the pretreatment equipment is not convenient to implement, so that the ultrapure water pretreatment device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided an ultrapure water pretreatment device, the technical problem that the device will solve is: how to improve the efficiency and the quality of the pretreatment of the ultrapure water.

The purpose of the utility model can be realized by the following technical proposal:

a super-pure water pretreatment device comprises a box body and a booster pump, wherein a first annular surrounding plate, a first supporting plate, a second annular surrounding plate and a second supporting plate are sequentially fixed on the inner wall of the box body from top to bottom, the interior of the box body is divided into a first cavity, a second cavity, a third cavity, a fourth cavity and a fifth cavity through the first annular surrounding plate, the booster pump is fixed at the top of the box body, a protective shell is fixed outside the booster pump, the input end of the booster pump penetrates out of the protective shell, the output end of the booster pump penetrates out of the protective shell through a first connecting pipe, the front end of the first connecting pipe extends into the first cavity, a first water distribution cover is communicated with the front end of the first connecting pipe, a first water outlet is formed in the bottom of the first water distribution cover, the bottom of the first water distribution cover is positioned in the first annular surrounding plate, a multi-medium filtering mechanism is arranged in the second cavity, the inner wall of the box body is fixedly provided with a first water collecting hopper which is positioned in a third cavity, the water outlet end of the first water collecting hopper is communicated with a first electromagnetic valve, the third cavity is internally provided with a chlorination mechanism which is communicated with the first electromagnetic valve, a second water distribution cover is fixedly arranged in a second annular enclosing plate, the bottom of the second water distribution cover is provided with a second water outlet, the top end of the second water distribution cover is communicated with a second electromagnetic valve, the fourth cavity is internally provided with an activated carbon filtering mechanism, the inner wall of the box body is fixedly provided with a second water collecting hopper which is positioned in a fifth cavity, the water outlet end of the second water collecting hopper is communicated with a third electromagnetic valve, a degassing softening mechanism is arranged in the fifth cavity, the top of the box body is fixedly provided with an electric control table, and the side wall of the box body is fixedly provided with a power supply.

The utility model discloses a theory of operation is: a water pumping pipe of an external water source is connected to an input end of a booster pump, water is injected into a first water distribution cover through a first connecting pipe by the boosting of the booster pump, the water is uniformly injected into a multi-medium filtering mechanism through a first water outlet at the bottom of the first water distribution cover, floating flocculate and micron-sized particles in the water are filtered out through the multi-medium filtering mechanism, the filtered water enters a first water collecting hopper under the action of gravity, enters a chlorination mechanism in a state that a first electromagnetic valve is opened, chlorine in external chlorination is flushed into the water through the chlorination mechanism, the water is sterilized and disinfected through the chlorine, the disinfected water enters a second water distribution cover through a second electromagnetic valve in the opened state, enters an active carbon filtering mechanism through a second water outlet at the bottom of the second water distribution cover, the active carbon filtering mechanism can filter residual organic matters and free chlorine in the water, and further improves the pretreatment quality, filtered water enters the second water collecting hopper under the action of gravity, enters the degassing and softening mechanism in the opening state of the third electromagnetic valve, carbon dioxide dissolved in the water is removed by the degassing and softening mechanism, and residual chlorine-containing components in the water can be further removed.

Many medium filter mechanism includes first filter box, first filter box is placed in the second cavity, end face contact under first filter box up end and the first annular bounding wall, the lower terminal surface of first filter box and the up end contact of two first backup pads, from up being fixed with even grain gravel filter bed down in proper order in the first filter box, quartz sand filter bed and anthracite filter bed, first drainage hole has been seted up to the bottom of first filter box, be fixed with first side door through the hinge lid on the box lateral wall, be fixed with first sealing strip on the first side door inner wall.

Structure more than adopting, the water that flows out by the first delivery port of first cloth water cover bottom receives the action of gravity through homogeneous particle gravel filter bed, quartz sand filter bed and anthracite filter bed, filters the granule of the showy flocculation thing of aquatic and micron order through three kinds of media, and first side door switch-on second cavity can pull out the second cavity with first filter cartridge, conveniently carries out the backwash or change to first filter cartridge, and first sealing strip can improve the leakproofness between first side door and the box.

The chlorination mechanism comprises a chlorination box, the chlorination box is fixed on the inner wall of the box body, the chlorination box is located in a third cavity, the upper end face of the chlorination box is communicated with a water injection pipe, the water injection pipe is communicated with a first electromagnetic valve, the lower end face of the chlorination box is communicated with a water outlet pipe, the front end of the water outlet pipe is communicated with a second electromagnetic valve, the inner wall of the chlorination box is fixedly provided with a chlorine communication pipe, one end of the chlorine communication pipe extends into the chlorination box, the other end of the chlorine communication pipe penetrates through the chlorination box, and is communicated with a first connector on the outer wall of the box body, one end of the chlorine communication pipe, which is inside the chlorination box, is provided with a gas outlet, the upper end face of the chlorination box is communicated with a second connecting pipe, one end of the second connecting pipe penetrates through the side wall of.

Structure more than adopting, the water after multi-media filter mechanism filters is collected by first water collecting bucket, open through the first solenoid valve of electrical cabinet control, make rivers go into in the chlorination box, the first connector of output switch-on of external chlorination machine, fill chlorine in leading to the chlorine pipe, the venthole that leads to on the chlorine pipe can fully integrate into the aquatic with chlorine, the efficiency of disinfection and isolation is improved, the external waste gas recovery device is put through the second connector switch-on, make unnecessary chlorine obtain effectual recovery among the disinfection and isolation process, prevent to cause the pollution to external environment.

The active carbon filtering mechanism comprises a second filtering box, the second filtering box is placed in a fourth cavity, the lower end face of the second filtering box is in contact with two second supporting plates, the upper end face of the second filtering box is in contact with the lower end face of a second annular enclosing plate, an active carbon filtering layer is fixed inside the second filtering box, a second water filtering hole is formed in the bottom of the second filtering box, a second side door is fixed on the side wall of the box body through a hinge cover, and a second sealing strip is fixed on the inner wall of the second side door.

Structure more than adopting, the water that flows out by the second delivery port of second water distribution cover bottom receives the action of gravity through the active carbon filter layer, can reduce aquatic impurity composition with remaining organic matter and free chlorine in the aquatic, further improves the quality of water, and the fourth cavity is put through to the second side door, can pull out the fourth cavity with the second filter cartridge, conveniently carries out the backwash or changes the second filter cartridge.

Degassing softening mechanism includes the water-collecting box, the third connecting pipe, the gas cylinder, fourth connecting pipe and fifth connecting pipe, the water-collecting box is placed in the fifth cavity, water-collecting box surface parcel has the heater strip, water-collecting box surface fixation has the ceramic cover, the heater strip is located the ceramic cover, be fixed with the insulating layer on the fifth cavity inner wall, the one end of third connecting pipe stretches into in the water-collecting box, the other end of third connecting pipe passes the box lateral wall, and in the external collection device of switch-on, the gas cylinder is fixed on the box lateral wall, be equipped with the pure water in the gas cylinder, the one end of fourth connecting pipe stretches into the pure water in the gas cylinder, the other end of fourth connecting pipe passes the box, and stretch into in the fifth cavity, the one end of fifth connecting pipe stretches into in the gas cylinder, the other end of fifth connecting pipe is the free end, electric connection electric console and power.

Structure more than adopting, start the heater strip through automatically controlled platform, heat the water in the water-collecting box, can carry out softening treatment to water, lead to the reverse osmosis membrane scale deposit when preventing follow-up ultrapure water and filtering to heating treatment can get rid of remaining carbon dioxide in the aquatic, and in the heating process, the inside atmospheric pressure of fifth cavity risees, and unnecessary gas advances in the fourth connecting pipe gets into the gas bottle of straining, discharges through the fifth connecting pipe, prevents that external gas from getting into in the fifth cavity again.

Compared with the prior art, the ultrapure water pretreatment device has the following advantages:

1. five filtering processes of multi-medium filtering, chlorination, active carbon filtering, softening and degassing in the ultrapure water pretreatment are integrated, so that the efficiency of the ultrapure water pretreatment is greatly improved, and the quality of the pretreated water is improved.

2. The integrated process can save a large amount of space, so that the pretreatment of the ultrapure water is more convenient.

3. Through the design of first side door and second side door, can conveniently change or wash the filtering layer, improved the life and the service quality of whole device.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic structural view of the first side door and the second side door of the present invention in an open state;

FIG. 3 is a left side view of the structure of the present invention;

fig. 4 is a cross-sectional view of the internal structure of the present invention;

FIG. 5 is a schematic structural view of a chlorine introducing pipe in the present invention;

in the figure: 1. a box body; 101. a first annular shroud; 102. a second annular shroud; 103. a first support plate; 104. a second support plate; 105. a first chamber; 106. a second chamber; 107. a third chamber; 108. a fourth chamber; 10g, a fifth chamber; 110. a first side door; 111. a first seal strip; 112. a second side door; 113. a second seal strip; 114. a thermal insulation layer; 2. a booster pump; 3. a protective shell; 4. a first connecting pipe; 5. a first water distribution cover; 6. a first water outlet; 7. a multi-media filtration mechanism; 701. a first filter cassette; 702. a uniform gravel filtering layer; 703. a quartz sand filter layer; 704. an anthracite filter layer; 705. a first water filtering hole; 8. a first water collection hopper; 801. a first solenoid valve; 9. a chlorination mechanism; 901. a chlorination box; 902. a water injection pipe; 903. a water outlet pipe; 904. introducing a chlorine pipe; 905. a first connector; 906. an air outlet; 907. a second connecting pipe; 908. a second connector; 10. a second water distribution cover; 11. a second water outlet; 12. a second solenoid valve; 13. an activated carbon filtration mechanism; 1301. a second filter cassette; 1302. an active carbon filter layer; 1303. a second water filtering hole; 14. a second water collection hopper; 15. a third electromagnetic valve; 16. a degassing and softening mechanism; 1601. a water collection box; 1602. a ceramic sheath; 1603. heating wires; 1604. a third connecting pipe; 1605. a gas filtering bottle; 1606. a fourth connecting pipe; 1607. a fifth connecting pipe; 17. an electric control console; 18. and a power interface.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-5, the embodiment provides an ultrapure water pretreatment device, which comprises a tank 1 and a booster pump 2, wherein a first annular surrounding plate 101, a first supporting plate 103, a second annular surrounding plate 102 and a second supporting plate 104 are sequentially fixed on the inner wall of the tank 1 from top to bottom, the inside of the tank 1 is divided into a first chamber 105, a second chamber 106, a third chamber 107, a fourth chamber 108 and a fifth chamber 109 by the first annular surrounding plate 101, the first annular surrounding plate 103, the second annular surrounding plate 102 and the second supporting plate 104, the booster pump 2 is fixed on the top of the tank 1, a protective shell 3 is fixed outside the booster pump 2, an input end of the booster pump 2 penetrates through the protective shell 3, an output end of the booster pump 2 penetrates through the protective shell 3 by a first connecting pipe 4, a front end of the first connecting pipe 4 extends into the first chamber 105, a first water distribution cover 5 is communicated with the front of the first connecting pipe 4, a first water outlet 6 is formed at the bottom of the first water, the bottom of the first water distribution cover 5 is positioned in the first annular enclosing plate 101, the second chamber 106 is internally provided with a multi-medium filtering mechanism 7, the inner wall of the box body 1 is fixedly provided with a first water collecting hopper 8, the first water collecting hopper 8 is positioned in the third chamber 107, the water outlet end of the first water collecting hopper 8 is communicated with a first electromagnetic valve 801, the third chamber 107 is internally provided with a chlorination mechanism 9, the chlorination mechanism 9 is communicated with the first electromagnetic valve 801, the second annular enclosing plate 102 is internally fixed with a second water distribution cover 10, the bottom of the second water distribution cover 10 is provided with a second water outlet 11, the top end of the second water distribution cover 10 is communicated with a second electromagnetic valve 12, the fourth chamber 108 is internally provided with an activated carbon filtering mechanism 13, the inner wall of the box body 1 is fixedly provided with a second water collecting hopper 14, the second water collecting hopper 14 is positioned in the fifth chamber 109, the water outlet end of the second water collecting hopper 14 is communicated with a third electromagnetic valve 15, and the fifth chamber 109 is, an electric control platform 17 is fixed on the top of the box body 1, a power interface 18 is fixed on the side wall of the box body 1, in the embodiment, a water pumping pipe of an external water source is connected to an input end of a booster pump 2, water is injected into a first water distribution cover 5 through a first connecting pipe 4 by the boosting of the booster pump 2, the water is uniformly injected onto a multi-medium filtering mechanism 7 through a first water outlet 6 at the bottom of the first water distribution cover 5, floating flocculates and micron-sized particles in the water are filtered out through the multi-medium filtering mechanism 7, the filtered water enters a first water collecting hopper 8 under the action of gravity, enters a chlorination mechanism 9 under the opening state of a first electromagnetic valve 801, chlorine in external chlorination is flushed into the water through the chlorination mechanism 9, the water is sterilized and disinfected through the chlorine, the disinfected water enters a second water distribution cover 10 through a second electromagnetic valve 12 under the opening state, and enters an active carbon filtering mechanism 13 through a second water outlet 11 at the bottom of the second water distribution cover 10, the activated carbon filtering mechanism 13 can filter out residual organic matters and free chlorine in water, so as to further improve the quality of pretreatment, the filtered water enters the second water collecting hopper 14 under the action of gravity, enters the degassing and softening mechanism 16 in a state that the third electromagnetic valve 15 is opened, carbon dioxide dissolved in the water is removed by the degassing and softening mechanism 16, and residual chlorine-containing components in the water can be further removed, the power interface 18, the electric control platform 17, the booster pump 2, the first electromagnetic valve 801, the second electromagnetic valve 12, the third electromagnetic valve 15 and the degassing and softening mechanism 16 are electrically connected, the electric control platform 17 is used for controlling the working states of the booster pump 2, the first electromagnetic valve 801, the second electromagnetic valve 12, the third electromagnetic valve 15 and the degassing and softening mechanism 16, and the first electromagnetic valve 801, the second electromagnetic valve 12 and the third electromagnetic valve 15 are all one-way electromagnetic valves.

The multi-media filtering mechanism 7 comprises a first filtering box 701, the first filtering box 701 is placed in the second chamber 106, the upper end face of the first filtering box 701 is in contact with the lower end face of the first annular surrounding plate 101, the lower end face of the first filtering box 701 is in contact with the upper end faces of the two first supporting plates 103, a uniform gravel filtering layer 702, a quartz sand filtering layer 703 and a anthracite filtering layer 704 are sequentially fixed in the first filtering box 701 from bottom to top, a first water filtering hole 705 is formed in the bottom of the first filtering box 701, a first side door 110 is fixed on the side wall of the box body 1 through a hinge cover, a first sealing strip 111 is fixed on the inner wall of the first side door 110, in the embodiment, water flowing out from a first water outlet 6 at the bottom of the first water distribution cover 5 passes through the uniform gravel filtering layer 702, the quartz sand filtering layer 703 and the anthracite filtering layer 704 under the action of gravity, floating floccules and micron-sized particles in the water are filtered through three media, the first side door 110 is communicated with the second chamber 106, the first filter box 701 can be pulled out of the second chamber 106, backwashing or replacement of the first filter box 701 is facilitated, and the first sealing strip 111 can improve the sealing performance between the first side door 110 and the box body 1.

The chlorination mechanism 9 comprises a chlorination box 901, the chlorination box 901 is fixed on the inner wall of the box body 1, the chlorination box 901 is positioned in the third chamber 107, the upper end surface of the chlorination box 901 is communicated with a water injection pipe 902, the water injection pipe 902 is communicated with a first electromagnetic valve 801, the lower end surface of the chlorination box 901 is communicated with a water outlet pipe 903, the front end of the water outlet pipe 903 is communicated with a second electromagnetic valve 12, the inner wall of the chlorination box 901 is fixed with a chlorine through pipe 904, one end of the chlorine through pipe 904 extends into the chlorination box 901, the other end of the chlorine through pipe 904 passes through the chlorination box 901, and is communicated with a first connector 905 on the outer wall of the box body 1, the chlorine through pipe 904 is provided with an air outlet 906 on one end inside the chlorination box 901, the upper end surface of the chlorination box 901 is communicated with a second connector 907, one end of the second connector 907 passes through the side wall of the box body 1, and is communicated with a second connector 908 on the box body 1, in the embodiment, water filtered by the multi-medium filtering mechanism 7, open through the first solenoid valve 801 of electric control console 17 control for water flows into the box 901 of adding chlorine, and the first connector 905 of the output switch-on of external chlorine adding machine fills chlorine into logical chlorine pipe 904, leads to the venthole 906 on the chlorine pipe 904 and can fully melt chlorine into the aquatic, improves disinfection's efficiency, switches on external waste gas recovery device through second connector 908, makes unnecessary chlorine obtain effectual recovery among the disinfection and isolation process, prevents to cause the pollution to external environment.

The activated carbon filtering mechanism 13 comprises a second filtering box 1301, the second filtering box 1301 is placed in the fourth cavity 108, the lower end face of the second filtering box 1301 is in contact with the two second supporting plates 104, the upper end face of the second filtering box 1301 is in contact with the lower end face of the second annular enclosing plate 102, an activated carbon filtering layer 1302 is fixed inside the second filtering box 1301, a second water filtering hole 1303 is formed in the bottom of the second filtering box 1301, a second side door 112 is fixed on the side wall of the box body 1 through a hinge cover, and a second sealing strip 113 is fixed on the inner wall of the second side door 112. in the embodiment, water flowing out of the second water outlet 11 at the bottom of the second water distribution cover 10 passes through the activated carbon filtering layer 1302 under the action of gravity, so that organic matters and free chlorine remaining in the water can be reduced, impurity components in the water can be further improved, the quality of the water can be further improved, the second side door 112 is communicated with the fourth cavity 108, and the second filtering box 1301 can be pulled out of, the second filter cartridge 1301 is conveniently backwashed or replaced.

The degassing and softening mechanism 16 comprises a water collecting box 1601, a third connecting pipe 1604, an air filter bottle 1605, a fourth connecting pipe 1606 and a fifth connecting pipe 1607, the water collecting box 1601 is arranged in the fifth chamber 109, a heating wire 1603 is wrapped on the outer surface of the water collecting box 1601, a ceramic sleeve 1602 is fixed on the outer surface of the water collecting box 1601, the heating wire 1603 is positioned in the ceramic sleeve 1602, a heat insulating layer 114 is fixed on the inner wall of the fifth chamber 109, one end of the third connecting pipe 1604 extends into the water collecting box 1601, the other end of the third connecting pipe 1604 penetrates through the side wall of the box 1 and is connected with an external collecting device, the air filter bottle 1605 is fixed on the side wall of the box 1, the pure water is filled in the air filter bottle 1605, one end of the fourth connecting pipe 1606 extends into the pure water in the air filter bottle 1605, the other end of the fourth connecting pipe 1606 penetrates through the box 1 and extends into the fifth chamber 109, one end of the fifth connecting pipe 1607 extends into the air filter bottle, electric connection electric control platform 17 and power source 18 are connected to heater strip 1603, in this embodiment, start heater strip 1603 through electric control platform 17, heat the water in the water collecting box 1601, can soften the water, prevent to lead to reverse osmosis membrane scale deposit when follow-up ultrapure water filters, and heating process can get rid of remaining carbon dioxide in the water, in the heating process, the inside atmospheric pressure of fifth chamber 109 risees, unnecessary gas enters in fourth connecting pipe 1606 gets into gas cylinder 1605, discharge through fifth connecting pipe 1607, prevent that external gas from reentering in fifth chamber 109.

The utility model discloses a theory of operation:

the water pumping pipe of an external water source is connected to the input end of a booster pump 2, water is uniformly injected into a multi-medium filtering mechanism 7 through a first connecting pipe 4 by the boosting of the booster pump 2, floating flocculates and micron-sized particles in the water are filtered by three media of a uniform gravel filtering layer 702, a quartz sand filtering layer 703 and a anthracite filtering layer 704, the filtered water enters a first water collecting hopper 8 under the action of gravity, a first electromagnetic valve 801 is controlled to be opened through an electric console 17, the water flows into a chlorination box 901, the output end of an external chlorination machine is connected with a first connecting head 905, chlorine is filled into a chlorine through pipe 904, the chlorine can be fully dissolved into the water through an air outlet 906 on the chlorine through pipe 904, the disinfection and sterilization efficiency is improved, the external waste gas recovery device is connected through a second connecting head 908, the redundant chlorine gas in the disinfection and sterilization process is effectively recycled, the pollution to the external environment is prevented, the disinfected water enters the second water distribution cover 10 through the second electromagnetic valve 12 in an open state, enters the activated carbon filtering mechanism 13 through the second water outlet 11 at the bottom of the second water distribution cover 10, the activated carbon filtering layer 1302 in the activated carbon filtering mechanism 13 can reduce the impurity components in the water and further improve the quality of the water, the filtered water enters the second water collecting hopper 14 under the action of gravity, enters the degassing and softening mechanism 16 in a state that the third electromagnetic valve 15 is opened, the heating wire 1603 is started through the electric control table 17 to heat the water in the water collecting box 1601, the water can be softened, the scaling of a reverse osmosis membrane caused by subsequent ultrapure water filtration is prevented, and the residual carbon dioxide in the water can be removed by the heating treatment, during the heating process, the internal pressure of the fifth chamber 109 is increased, the redundant gas enters the fourth connecting pipe 1606 and enters the gas filtering bottle 1605, and is discharged through the fifth connecting pipe 1607, so that the external gas is prevented from entering the fifth chamber 10g, and the residual chlorine-containing components in the water can be further removed, the power interface 18, the electronic control console 17, the booster pump 2, the first electromagnetic valve 801, the second electromagnetic valve 12, the third electromagnetic valve 15 and the degassing and softening mechanism 16 are electrically connected, the electronic control console 17 is used for controlling the working states of the booster pump 2, the first electromagnetic valve 801, the second electromagnetic valve 12, the third electromagnetic valve 15 and the degassing and softening mechanism 16, and the first electromagnetic valve 801, the second electromagnetic valve 12 and the third electromagnetic valve 15 are all one-way electromagnetic valves;

when the multi-media filtering mechanism 7 needs to be cleaned, the first side door 110 is communicated with the second chamber 106, the first filtering box 701 can be pulled out of the second chamber 106, backwashing or replacement of the first filtering box 701 is facilitated, and the first sealing strip 111 can improve the sealing property between the first side door 110 and the box body 1;

when the activated carbon filtering mechanism 13 needs to be cleaned, the second side door 112 is communicated with the fourth chamber 108, so that the second filtering box 1301 can be pulled out of the fourth chamber 108, and the second filtering box 1301 can be conveniently backwashed or replaced.

To sum up, through the multi-media filtration in the ultrapure water preliminary treatment, add chlorine, the active carbon filters, soften and degasification five filtration processes concentrates the integration, the efficiency of ultrapure water preliminary treatment has been improved greatly, the quality of water after the preliminary treatment has been improved, and a large amount of spaces can be saved in the process integration, make ultrapure water preliminary treatment more convenient, in addition, through the design of first side door and second side door, can conveniently change or wash the filter bed, the life and the quality of use of whole device have been improved.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (5)

1. A ultrapure water pretreatment device comprises a box body (1) and a booster pump (2), and is characterized in that a first annular enclosing plate (101), a first supporting plate (103), a second annular enclosing plate (102) and a second supporting plate (104) are sequentially fixed on the inner wall of the box body (1) from top to bottom, the interior of the box body (1) is divided into a first chamber (105), a second chamber (106), a third chamber (107), a fourth chamber (108) and a fifth chamber (109) through the first annular enclosing plate (101), the first supporting plate (103), the second annular enclosing plate (102) and the second supporting plate (104), the booster pump (2) is fixed at the top of the box body (1), a protective shell (3) is fixed outside the booster pump (2), the input end of the booster pump (2) penetrates out of the protective shell (3), the output end of the booster pump (2) penetrates out of the protective shell (3) through a first connecting pipe (4), the front end of the first connecting pipe (4) extends into the first chamber (105), the front end of the first connecting pipe (4) is communicated with a first water distribution cover (5), the bottom of the first water distribution cover (5) is provided with a first water outlet (6), the bottom of the first water distribution cover (5) is positioned in the first annular enclosing plate (101), the second chamber (106) is internally provided with a multi-medium filtering mechanism (7), the inner wall of the box body (1) is fixed with a first water collecting hopper (8), the first water collecting hopper (8) is positioned in the third chamber (107), the water outlet end of the first water collecting hopper (8) is communicated with a first electromagnetic valve (801), the third chamber (107) is internally provided with a chlorine adding mechanism (9), the chlorine adding mechanism (9) is communicated with the first electromagnetic valve (801), the second water distribution cover (10) is fixed in the second annular enclosing plate (102), the bottom of the second water distribution cover (10) is provided with a second water outlet (11), and the top of the second water distribution cover (10) is communicated with a second electromagnetic valve (12), be provided with active carbon filtering mechanism (13) in fourth cavity (108), box (1) inner wall is fixed with second water collecting bucket (14), second water collecting bucket (14) are located fifth cavity (109), the delivery end switch-on of second water collecting bucket (14) has third solenoid valve (15), degasification softening mechanism (16) that are provided with in fifth cavity (109), box (1) top is fixed with electric control platform (17), be fixed with power source (18) on box (1) lateral wall.

2. The ultrapure water pretreatment device according to claim 1, wherein the multi-media filter mechanism (7) comprises a first filter box (701), the first filter box (701) is placed in the second chamber (106), the upper end face of the first filter box (701) is in contact with the lower end face of the first annular enclosing plate (101), the lower end face of the first filter box (701) is in contact with the upper end faces of the two first supporting plates (103), a uniform gravel filter layer (702), a quartz sand filter layer (703) and an anthracite filter layer (704) are sequentially fixed in the first filter box (701) from bottom to top, a first water filtering hole (705) is formed in the bottom of the first filter box (701), a first side door (110) is fixed on the side wall of the box body (1) through a hinge cover, and a first sealing strip (111) is fixed on the inner wall of the first side door (110).

3. The ultra-pure water pretreatment device according to claim 2, wherein the chlorination mechanism (9) comprises a chlorination box (901), the chlorination box (901) is fixed on the inner wall of the tank body (1), the chlorination box (901) is located in the third chamber (107), the upper end surface of the chlorination box (901) is communicated with a water injection pipe (902), the water injection pipe (902) is communicated with a first electromagnetic valve (801), the lower end surface of the chlorination box (901) is communicated with a water outlet pipe (903), the front end of the water outlet pipe (903) is communicated with a second electromagnetic valve (12), the inner wall of the chlorination box (901) is fixed with a chlorine through pipe (904), one end of the chlorine through pipe (904) extends into the chlorination box (901), the other end of the chlorine through pipe (904) passes through the chlorination box (901), the outer wall of the tank body (1) is communicated with a first connecting joint (905), and one end of the chlorine through pipe (904) in the chlorination box (901) is provided with an air outlet hole (906), the upper end face of the chlorination box (901) is communicated with a second connecting pipe (907), one end of the second connecting pipe (907) penetrates through the side wall of the box body (1), and the box body (1) is communicated with a second connecting head (908).

4. The ultrapure water pretreatment device according to claim 3, wherein the activated carbon filter mechanism (13) comprises a second filter box (1301), the second filter box (1301) is placed in the fourth chamber (108), the lower end face of the second filter box (1301) is in contact with the two second support plates (104), the upper end face of the second filter box (1301) is in contact with the lower end face of the second annular enclosing plate (102), an activated carbon filter layer (1302) is fixed inside the second filter box (1301), a second water filtering hole (1303) is formed in the bottom of the second filter box (1301), a second side door (112) is fixed to the side wall of the box body (1) through a hinge cover, and a second sealing strip (113) is fixed to the inner wall of the second side door (112).

5. The ultrapure water pretreatment device according to claim 4, wherein the degassing and softening mechanism (16) comprises a water collecting box (1601), a third connecting pipe (1604), a gas filter cylinder (1605), a fourth connecting pipe (1606) and a fifth connecting pipe (1607), the water collecting box (1601) is placed in the fifth chamber (109), the outer surface of the water collecting box (1601) is wrapped with a heating wire (1603), the outer surface of the water collecting box (1601) is fixed with a ceramic sleeve (1602), the heating wire (1603) is positioned in the ceramic sleeve (1602), the inner wall of the fifth chamber (109) is fixed with a heat insulating layer (114), one end of the third connecting pipe (1604) extends into the water collecting box (1601), the other end of the third connecting pipe (1604) penetrates through the side wall of the box body (1) and is communicated with an external collection device, the gas filter cylinder (1605) is fixed on the side wall of the box body (1), and the gas filter cylinder (1605) is filled with pure water, in the pure water in gas cylinder (1605) is strained to the one end of fourth connecting pipe (1606), the other end of fourth connecting pipe (1606) passed box (1) to in stretching into fifth cavity (109), the one end of fifth connecting pipe (1607) stretches into in gas cylinder (1605), the other end of fifth connecting pipe (1607) is the free end, heater strip (1603) electric connection connects electric console (17) and power source (18).

Images