CN202845169U

CN202845169U - Tertiary industrial water filtration and iron removal system

Info

Publication number: CN202845169U
Application number: CN 201220604689
Authority: CN
Inventors: 张华�
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-11-03
Filing date: 2012-11-03
Publication date: 2013-04-03
Anticipated expiration: 2022-11-03

Abstract

The utility model belongs to the field of industrial water treatment equipment, and in particular relates to a tertiary industrial water filtration and iron removal system. The system comprises a frame (1), wherein a first-level filtrating screen cover (2) is arranged on the top of the frame (1), a side filtering screen (3) is arranged on the periphery of the frame (1), a strong magnetic iron removal grating which is formed by second-level filtering magnetic bars (4) is arranged on the frame (1), a third filtration bottom filtering screen (5) is arranged on the bottom of the frame (1), the distance range between the filtration bottom filtering screen (5) and the strong magnetic iron removal grating is between 30 and 40 millimeters, and one-two layers of the side filtering screen(s) (3) and the bottom filtering screen(s) (5) are arranged. The system is simple in structure, is convenient to maintain and clean, is installed on the parts such as condensers, fuel return ports of fuel tanks, water return ports, or discharge ports of water tanks, can be widely applied to filtering condenser water of thermal generator sets and nuclear electric power generator sets, is suitable for fluid sewage and wastewater treatment of industries of manufacturing, chemical engineering, metallurgy, food, ceramics, weaving, medical treatment, industry and mining such as electromechanical machining, and power plants, so as to separate impurities and scrap iron from fluid.

Description

Three grades of industrial water filterings, iron removal system

Technical field: the utility model belongs to the industrial water treatment equipment field, is specifically related to a kind of three grades of industrial water filterings, iron removal system.

Background technology: in the water system in industrial production and power plant, because the corrosion of pipeline, water storage apparatus etc., can produce some iron filings or other impurity, these iron filings or other impurity can deposit or be attached in industrial equipment such as boiler, reactor or other container, the quality of product and the security of operation of equipment have been affected, thereby before industry water enters above-mentioned industrial equipment, all must condense to water and close processing.In the prior art, have plenty of the professional equipment for removing ferric ion of employing, but cost of investment is too high, have plenty of to adopt strong magnetic ironware or magnetic grid are directly put into condense hydroecium or water tank, but de-ferrous effect is not thorough.Chinese patent ZL200820222940.5 is second-stage industrial water filtering, iron removal system, although than above-mentioned prior art larger progress has been arranged, its structural design is still perfect not, although de-ferrous effect increases, but still improved necessity is arranged.

Summary of the invention: the purpose of this utility model is to design perfect not for the second-stage industrial water filtering that overcomes prior art, iron removal system, the dissatisfactory technological deficiency of de-ferrous effect is for people provide a kind of simple in structure, reasonable in design, three grades of industrial water filterings, iron removal system that de-ferrous effect is desirable.

The purpose of this utility model realizes by following technical proposals.

Three grades of industrial water filterings of the present utility model, iron removal system, consisted of by framework 1, framework 1 top is provided with single filter guard 2 (claiming again just filter screen), be provided with side screen 3 around the framework 1, be provided with the strong magnetic that is consisted of by cascade filtration bar magnet (4) on the framework 1 and remove iron railings, the bottom that is characterized in framework 1 is provided with filter screen 5 at the bottom of the three-stage filtration, the mesh of described single filter guard 2 greater than three-stage filtration at the bottom of the mesh of filter screen 5.

In the such scheme, at the bottom of the described three-stage filtration filter screen 5 and filter strong magnetic that bar magnet 4 forms except the distance of iron railings better be controlled at 30 to 40 between can, take 35mm as best.

In the such scheme, described side screen 3, end filter screen 5 are preferably two-layer.Be square or the diamond-mesh screen pack such as internal layer, skin is circular mesh filter.

In the such scheme, described framework 1 can be designed to cylindrical, rectangle, rhombus or semicircle etc. according to customer demand.

The filter screen of the end described in the such scheme 5 is high, low all around in the middle of better being.

The utility model is designer's technical scheme through the science practicality of repeatedly groping to start in production practices, except all functions and advantage with Chinese patent ZL200820222940.5 second-stage industrial water filtering, iron removal system, also overcome its defective, made the fluid purification after the filtration get more cleaning.The utility model adopts three-stage filtration: single filter guard (claiming again just filter screen) mainly is the impact of bearing extraneous weight or external force, and thick metal fragment is carried out the first time filter; Metal dust and subparticle that the strong magnetic that is made of the cascade filtration bar magnet removes in the iron railings convection cell adsorb, and reach the purpose of filtering for the second time; 304 stainless steel filtering nets of end filter screen about with 18 orders form, convection cell filters for the third time, strong magnetic is except the design of iron railings below end filter screen, make the irony particle that drops on the end filter screen, under the effect of magnetic force, shift to the bar magnet group, make the flow of equipment can not be subject to the mesh obstruction and cause flow to descend, and the particle of remainder is further tackled, adsorbed.Therefore compare with other existing filter, have the advantage of three layer filtration, fluid is more cleaned.This product adopts the twin-stage guard, bar magnet filters, the new structure of deironing, its critical piece---bar magnet, can adsorb the various iron filings of sneaking in the fluid, the magnetic conduction impurity such as cast iron iron powder, not only simple in structure, maintenance, easy to clean, and filtration arranged, the double effects of deironing, be widely used in the filtration of thermal power generation unit condenser water, the filtration of nuclear energy power generation unit condenser water, be applicable to manufacturing industry, chemical industry, metallurgical, food, pottery, weaving, medical treatment, industrial and mineral i.e. dynamo-electric processing, the fluid dirt of the industries such as power plant, waste water is processed, make impurity, iron filings separate with fluid, be installed in condenser, the tank drainback mouth, filter the fluid dirt that produces at the positions such as water container backwater mouth or floss hole, purify, so that the fluid after purifying is reclaimed or discharges.

Description of drawings

Fig. 1 is overall structure cross-sectional schematic of the present utility model.

Fig. 2 is the circular frame structural representation with end filter screen.

Fig. 3 is circular configuration overall structure cross-sectional schematic.

Fig. 4 is rectangle overall structure cross-sectional schematic.

Among the figure: 1. framework; 2. filtering screen (claim again just filter screen); 3. side screen; 4. bar magnet; 5. end filter screen.

The specific embodiment

Further specify the utility model below by embodiment, the utility model is not limited only to described embodiment.

Shown in Fig. 1-4: three grades of industrial water filterings of the present utility model, iron removal system, consisted of by framework 1, framework 1 top is provided with single filter guard 2, be provided with side screen 3 around the framework 1, be provided with the strong magnetic that is consisted of by cascade filtration bar magnet (4) on the framework 1 and remove iron railings, the bottom that is characterized in framework 1 is provided with filter screen 5 at the bottom of the three-stage filtration, the mesh of described single filter guard 2 greater than three-stage filtration at the bottom of the mesh of filter screen 5.

As shown in Figure 1: this example is cylindrical product, and the strong magnetic that filter screen 5 and filtration bar magnet 4 form at the bottom of the described three-stage filtration better is controlled between 30 to 40 except the distance of iron railings, and this example is 35mm.

Shown in Fig. 2 .3.4: as described in side screen 3, end filter screen 5 preferably two-layer, form the twin-stage guard, be square or diamond-mesh screen pack (not providing among the figure) etc. such as internal layer, skin is circular mesh filter (as shown in the figure).Also can be one-layer square or diamond-mesh screen pack.But it is better to add Double-level Reticulated intensity, can bring into play interception, the suction-operated of filter screen with changing.

Shown in Fig. 1-4: framework 1 can be designed to cylindrical, disc, rectangle, rhombus or semicircle etc. according to customer demand as described in this was routine.Be illustrated in figure 2 as disc shaped frame 1 schematic diagram.What adopt such as Fig. 4 is rectangular frame 1, and what adopt such as Fig. 1 is cylindrical frame 1, and what adopt such as Fig. 3 is disc shaped frame 1.

As shown in Figure 1: these filter screen 5 middle parts, routine described end are high, the position is low around the end filter screen 5, the similar A word of end filter screen 5 section lines, be located at strong magnetic except the end filter screen 5 of iron railings below, this example adopts 18 purposes, 304 stainless steel filtering nets to make, and drops on the irony particle on the filter screen, under the effect of magnetic force, shift to strong magnetic except iron railings, make the flow of equipment can not be subject to the mesh obstruction and cause flow to descend.It is that section line is the design of in-line that end filter screen 5 also can adopt plane net, but adopts its interception of design, the adsorption effect of the similar A font of section line better.

Shown in Fig. 2 .3.4: single filter guard 2 is elementary filter screen, mainly is the impact of bearing extraneous weight or external force, and thick metal fragment is carried out the first time filter, so the filter screen requirement of strength is high, and the screen material diameter is thicker.

Shown in Fig. 1-4: filter bar magnet 4 and be many, form except iron railings, metal dust and subparticle in the convection cell adsorb, and reach the purpose of filtering for the second time.This example adopts strong magnetic except the irony particle in the iron railings absorption water, is the function of permanent-magnet material itself.The structure of bar magnet itself and strong magnetic all can design arbitrarily except iron railings integral layout structure, select the appropriate location to be installed on the framework 1, as filter bar magnet 4 be arranged in parallel the strong magnetic that forms except the termination of iron railings, above and all around the appropriate location also can arrange single or many filter bar magnets 4, filter bar magnet 4 and also can be U-shaped, V-arrangement, X-shaped etc., to reach the purpose of being convenient to deironing.This product need not additionaling power, and it can not exert an influence to condensate pump and water system pressure, does not need it is carried out operation maintenance yet, does not also have the problem of replacing, reclaiming waste material and so on.All component materials of this example better all adopt stainless steel to make, and reach the purpose of using under various environment.Described filtering screen 2, side screen 3, bar magnet 4 and end filter screen 5 can adopt the various ways such as interlocking, welding, are fixed on the framework 1 by pressing plate, press strip or bolt etc.

The mesh size of filter screen is definite at the bottom of the utility model: the one, according to the requirement of user's convection cell cleannes; The 2nd, according to the requirement of user to flow.Flow rate calculation: 4.9 * S*Y=Q is wherein: 4.9=1/2gt ², g-acceleration of gravity, its value is 9.8, the t-time, the unit of flow is M ³/ second; The gross area of S-equipment circulation place; The percentage of mesh area in every square metre of the Y-web plate; The Q-flow, cube meter per second derives from customer requirements.

Claims

1. three grades of industrial water filterings, iron removal system, consisted of by framework (1), framework (1) top is provided with single filter guard (2), framework (1) is provided with side screen (3) all around, be provided with the strong magnetic that is consisted of by cascade filtration bar magnet (4) on the framework (1) and remove iron railings, it is characterized in that: the bottom of framework (1) is provided with filter screen (5) at the bottom of the three-stage filtration, the mesh of described single filter guard (2) greater than three-stage filtration at the bottom of the mesh of filter screen (5).

2. three grades of industrial water filterings according to claim 1, iron removal system is characterized in that: filter screen at the bottom of the described three-stage filtration (5) is 30 to 40mm with filtering strong magnetic that bar magnet (4) forms except the distance range of iron railings.

3. three grades of industrial water filterings according to claim 1, iron removal system, it is characterized in that: described side screen (3), end filter screen (5) are the 1-2 layer.