CN2232035Y

CN2232035Y - Fixed film photocatalysis oxidized water quality depth purifier

Info

Publication number: CN2232035Y
Application number: CN 95244568
Authority: CN
Inventors: 李田
Original assignee: Tongji University
Current assignee: Tongji University
Priority date: 1995-08-18
Filing date: 1995-08-18
Publication date: 1996-07-31
Anticipated expiration: 2005-08-18

Abstract

The utility model relates to a fixed film photocatalysis oxidized water quality depth purifier. The center of the cylinder body is provided with an ultraviolet lamp; the external side of the ultraviolet lamp is provided with a glass sleeve tube; the external side of the sleeve tube is provided with the component of the catalyst film; the component is a glass fiber net which is coated and loaded by the TiO < 2 > catalytic agent; the upper side and the lower side of the glass fiber net can be rebounded to be a multi-layer cylinder through a pair of biting cards of the elastic and spiral clamping strips composed of yin and yang strips which are respectively provided with concave grooves and convex grooves; the glass fiber net is fixed with a plurality of rigid supporting rods with hooks on the two heads; the cylinder body is coated with holes in the longitudinal direction; the center of the upper and the lower covers is provided with an O-shaped sealing ring which can prevent the water current from leaking, and the O-shaped ring on the lower cover which is externally provided with diffusion slices can conduct the oxygenation agitation to the water body with an oxygenator on the external side of the cylinder body. The fixed film photocatalysis oxidized water quality depth purifier can be used for the treatment of the industrial wastewater, the drinking water, and the high purity water. After being treated by the fixed film photocatalysis oxidized water quality depth purifier, the tap water can reach to the safe drinking standard.

Description

Fixing film photocatalytic oxidation profound purification device

A kind of fixedly film photocatalytic oxidation profound purification device relates to the purification techniques of tap water, high purity water and trade effluent, and the photochemical catalytic oxidation that relates in particular to drinking water deep purification is film device fixedly.

In the photocatalysis oxidation reaction system of n N-type semiconductorN catalyzer and ultraviolet source composition, catalyzer is had an effect with water molecules under UV-irradiation, generates strong oxidizer OH ^-, not luminous energy sterilization also is oxidized to organic pollutant in the water inorganics molecule and simple innoxious substance, makes purification of water quality.If the catalyzer of throwing in to water body is to exist with floating outstanding pulverulence, then the catalysis area is big, good purification, but separate, the recovery problem is difficult to solve.Therefore, fixedly be feasible and effective with carrier with catalyzer.Useful porous sintered material of Japan or photoconductive fiber are as carrier, make fixed catalytic film (open special permission flat 4-141294) and obtained bigger specific surface area,, wherein can not get illumination greatly though the surface-area that the former makes is big, the latter costs an arm and a leg, and is impracticable.

Michacl K.Robertson etc. has invented with glass fiber mesh and has been rolled into the multi-layer helical volume, (USP 4 to be coated with the method for the reactor of packing into behind the carried catalyst again, 892,712) this invention makes the catalytic film specific surface area big, the different sites catalytic film be subjected to light relatively also even, but it is to adopt glass wire that glass fiber mesh is sewed up earlier that this multi-layer helical rolls as method, tractive, and whole then volume is filmed.Because the soft no rigidity of glass fiber mesh itself so glass wire can't become skeleton, guarantees that the interval is even between each stratum reticulare, it can only guarantee that each stratum reticulare position is not disorderly.In fact, the shape that twists in the reactor of whole catalytic film also is difficult to be guaranteed.

The purpose of this utility model provides a kind of fixed catalytic film that bigger serface is arranged, film be subjected to light and contacting evenly with current, and less energy-consumption, high efficiency photochemical catalytic oxidation is the film reaction device fixedly.

In order to achieve the above object, the utility model has adopted following scheme.Refining plant comprises cylindrical shell, the catalytic film assembly, ultraviolet lamp, its structural feature is, be provided with into water, on the cylindrical shell of rising pipe, lower cover is detachable, and the cylindrical shell center is provided with ultraviolet lamp, ultraviolet lamp is connected with cylindrical shell power supply outward, ultraviolet lamp is with the uviol sleeve pipe outward, and glass bushing is with the catalytic film assembly outward, and the catalytic film assembly is to carry TiO being coated with in advance ₂Going up of the glass fiber mesh of catalyzer is following, each with a pair be respectively equipped with elastic helix clevis bar that the negative and positive bar of tongue and groove forms sting mounting board tightly after, resilience becomes center foraminous multilayer reel, vertically, strut fixation with inflexible double headed roller grab forms, cylinder top cover is offered exhaust hole, the upper and lower covers center is provided with the lid neck that sleeve pipe is stretched out, the O-ring seals that stops the current seepage between lid neck and the sleeve pipe in addition, use on lid neck top, lower cover screws the crush seal circle and forms sealing, establish 2-4 diffusion sheets around the lid neck of lower cover, the outer oxygenator of diffusion sheet and cylindrical shell connects to form agitator, stirs the gas of oxygenation generation and discharges from the loam cake aperture.

The utility model has the advantages that:

1, the fixed catalytic membrane module that leans on volution clamp bar of the present utility model and rigidity pole to roll into as skeleton, when in device, moving, vertically bear certain force of strain, laterally each stratum reticulare can keep suitable and uniform spacing, can superimposed or wrinkle, thereby it is all very even to have guaranteed that the catalytic film photoreceiving surface contacts with current, and help adopting the high air agitation of energy consumption poor efficiency, guarantee that it can not block the passage of rising bubble, make decontamination effect improving remarkable, water outlet can reach direct safety and drink requirement.

2, according to the photochemical catalytic oxidation practical function, ultraviolet lamp is selected low pressure mercury lamp for use, and the arc length of its unit capacity is greater than middle and high pressure mercury lamp, so illuminating area is also big.During same power, output intensity is in black lamp, and the oxidizing reaction effect is excellent, not only equally can sterilization, and also the effect of removing organic pollutant in the water also is better than other lamps.

3, adopt tetrafluoroethylene, a based food level resistance to oxidation plastic production such as polyethylene or ABS or be coated with the cylindrical shell and the pole of shoe, clamp bars etc. can not poisoned by guard catalyst, long service life, and easy to process.

4, be coated with the method for assembling, moulding behind the carried catalyst earlier, can avoid rete to get loose fibre breakage.

5, in a single day this device puts into operation, and its purification efficiency is not successively decreased in time, so need not regularly replace catalyst assembly.

Fig. 1 is the utility model structural representation;

Fig. 2 catalytic film assembly synoptic diagram;

Fig. 3 is used for the cleaner structural representation that tap water purifies.

In conjunction with the accompanying drawings the utility model is described further.

By cylindrical shell 1, glass bushing 2, ultraviolet lamp 3, lamp holder 4, upper press cover 5, loam cake 6, lower cover 10, O shape circle 11, catalytic film assembly 7, diffusion sheet 13, oxygenator 11, under meter 15, front processor 16, water storing tank 17, barretter 18, outer casing 19, volution clamp bar 8, pole 9 is formed.There is the upper and lower cover (6,12) that can dismantle at cylindrical shell 1 two ends that are provided with water inlet pipe and water outlet pipe, and loam cake 6 has production well, can be for stirring the gas discharge that oxygenation produces, upper and lower covers 6,12 centers are provided with covers neck, and lid neck endoporus stretches out by sleeve pipe 2, sealed with O shape circle and last lower cover 5,10, prevented seepage.On the lower cover 12, glass bushing 2 peripheries are also established 2-4 diffusion sheets 13, and diffusion sheet 13 is connected with cylindrical shell 1 oxygenator 14 outward, so that current in the tube are stirred oxygenation.Cylindrical shell 1 center is provided with quartz glass sleeve 2, and the ultraviolet lamp 3 of external source barretter 13 is arranged in the glass bushing 2.In the cylindrical shell 1, the sleeve pipe 2 outer catalytic film assemblies 7 that are with, assembly 7 is by elastic helix clevis bar 8, pole 9 and be coated with in advance that to be loaded with catalytic activity good, specific surface area is big, the TiO that rete is firm ₂The glass fiber mesh composition of fixed catalytic film: the bottom of going up of net respectively is respectively equipped with the cloudy bar of groove and volution clamp bar 8 of the positive bar composition that is provided with tongue with a pair, draw back that the upper and lower two edges that cloudy bar will net are placed on it respectively, the tongue of positive bar is one by one to Zhunyin bar groove, and compress into the groove of cloudy bar together with selvage one card lifting, by volution clamp bar 8 elasticity, make net volume stratification uniform hollow garden post at interval, use the pole 9 of 2-4 double headed roller grabs to prop up volution clamp bar 8 up and down again, forming has inflexible catalytic film assembly 7.The plastic wire of the big mesh of also available slice replaces rigidity pole 9 and spiral type clamp bar 8, with it and glass fiber mesh is overlapping and four angles or at least two limits are rolled into after fixed.7 series connection of catalytic film assembly are organized or organized more to visual processed water quality, specification or selection list that water yield different designs is different.If be used for the city tap-water advanced treatment, cylindrical shell 1 of the present utility model, volution clamp bar 8, pole 9 grades all adopt tetrafluoroethylene, and oxytolerants such as polyethylene or ABS compare plastics.Before cylindrical shell 1 water inlet pipe, also has the front processor of forming by outer filter element filtering and internal layer Zeo-karb 16 to absorb the Fe in the tap water ^{+ 2}And Mn ^{+ 2}And the interception colloid, thereby avoid poisoning of catalyst.If do not have Fe in other waste water ^{+ 2}Mn ^{+ 2}Just front processor 16 need not be set.This device that is used for the household tap water deep purifying, should can establish 2 groups of polyphones of catalytic film assembly as Fig. 3,1 rising pipe place also can establish a water tank 17 at cylindrical shell, and with cylindrical shell 1, front processor 16, water tank 17, oxygenator 14 are packed into together and are provided with in the outer casing 19 of water inlet pipe and water outlet halter, are convenient to transportation and use.Through the tap water that the utility model purifies, objectionable impurities has transferred nontoxic or low toxicity in the water, and the Ames mutagenicity of water outlet transfers feminine gender to by the positive of water inlet.The total plate count of water outlet is lower than the requirement of the European Community to bottled water.The directly requirement of safety drink is satisfied in water outlet.Processing costs is lower than the expense of other advanced purification technologies and device.Organic overall removal effect sees the following form in the water.

Table 1 GC-MS total amount of organic measurement result

First				Second batch
First				Second batch			Sample	Tap water	Direct sunshine decomposes	Photochemical catalytic oxidation	Tap water	Direct sunshine decomposes	Photochemical catalytic oxidation
But analyzing organic substance total amount (peak area)	246×10	148×10	89×10	236×10	130×10	66×10	Sample	Tap water	Direct sunshine decomposes	Photochemical catalytic oxidation	Tap water	Direct sunshine decomposes	Photochemical catalytic oxidation
But analyzing organic substance total amount (peak area)	246×10	148×10	89×10	236×10	130×10	66×10	The total amount normalizing	100	60	36	100	55	27
But analyzing organic substance number	100	60	36	100	55	27	The total amount normalizing	100	60	36	100	55	27
But analyzing organic substance number	100	60	36	100	55	27	The peak number normalizing	100	58	39	100	52	41

Claims

1, a kind of fixedly film photocatalytic oxidation profound purification device, by cylindrical shell (1), ultraviolet lamp (3), catalytic film assembly (7) is formed, it is characterized in that: have into, rising pipe and dismountable on, the center of the cylindrical shell of lower cover (1) is provided with the ultraviolet lamp (3) of external source, the outer glass bushing (2) that is with of ultraviolet lamp (3), the outer catalytic film assembly (7) that is with of sleeve pipe (2), catalytic film assembly (7) be be coated with the glass fiber mesh that carries the TiO2 catalyst film on, each stings folder with the elastic helix clamp bar (8) that a pair is respectively equipped with the negative and positive bar composition of tongue and groove bottom, behind the chucking, resilience becomes center foraminous multilayer reel, vertically fixing with the pole (9) of inflexible double headed roller grab, the loam cake (6) of cylindrical shell (1) is offered exhaust hole, upper and lower covers (6,12) there is the lid neck that allows sleeve pipe (2) stretch out at the center, be provided with the O-ring seals (11) that stops the current seepage between lid neck and the sleeve pipe (2), there is gland (5,10) on lid neck top.Establish 2-4 diffusion sheets (13) around the lid neck of lower cover (12), and be connected to form with the outer oxygenator (14) of tube and stir oxygenating system.

2, cleaner according to claim 1 is characterized in that: volution clamp bar (8) and pole (9), and cylindrical shell (1), loam cake (6), lower cover (12) all adopt tetrafluoroethylene, polyethylene or ABS resistance to oxidation class plastic production or are coated with shoe.

3, cleaner according to claim 1 is characterized in that: catalytic film assembly (7) also can be used slice, after wide-aperture plastic wire and glass fiber mesh are overlapping, and fixed four angles or at least two limits, be rolled into.

4, cleaner according to claim 1 is characterized in that: cylindrical shell (1) rising pipe place can connect a water tank (9),

5, cleaner according to claim 1 is characterized in that: cylindrical shell (1) is gone up a front processor (16) of being made up of cation exchanger and filter core is set before the water inlet pipe.