Denitrification reactor

Abstract

The utility model relates to the technical field of sewage treatment, and discloses a denitrification reactor which comprises a shell, a support frame fixedly mounted on the outer side of the shell, support legs fixedly mounted on the outer side of the shell, a cover plate arranged on the outer side of the shell, a water inlet arranged on the outer side of the cover plate, and a water outlet arranged below the shell, a filter assembly is arranged on the outer side of the shell and comprises a funnel barrel. According to the denitrification reactor, in order to enable the device to meet the requirements of subsequent treatments such as denitrification on inflow water quality, the filter assembly is arranged, one end of the assembly matched with the cylinder is connected with the funnel cylinder, the preliminary filter plate in the funnel cylinder performs primary filtration, and meanwhile layered filtration is performed again through the isolation filter plate and the supporting filter plate in the filter box; the middle isolation cylinder assists in positioning the long rod, and zeolite particles filled in the filter box adsorb pollutants in water by virtue of own characteristics, so that the requirements of subsequent treatment such as denitrification on the quality of inlet water are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely is a kind of denitrification reactor. BACKGROUND

[0002] Denitrification reactor is a kind of equipment specially designed for removing nitrogen compounds in water body, its core purpose is to effectively remove ammonia nitrogen, nitrate and other nitrogen pollutants in wastewater by physical, chemical or biological method, to reach the purpose of environmental protection discharge standard and improve water quality.

[0003] Denitrification reactor is usually composed of pretreatment unit, reaction unit and post-treatment unit, its working principle is different according to the different denitrification process, common physical denitrification process includes membrane filtration, ion exchange method and adsorption method, taking adsorption method as an example, denitrification reactor is filled with adsorbent with high adsorption capacity, and the selective adsorption capacity of adsorbent to nitrogen compounds is used for separation, and the operation process usually includes wastewater pretreatment, adsorption reaction in reactor, adsorbent regeneration or replacement and effluent detection etc.

[0004] But the above-mentioned equipment in actual use process, most of the existing denitrification reactor in use process, its internal reaction speed is slow, and filtering effect is poor, in view of this, we provide a kind of denitrification reactor. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of denitrification reactor to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of denitrification reactor, including shell, the shell outer side is fixedly installed with support frame, the shell outer side is fixedly installed with support leg, the shell outer side is provided with cover plate, the cover plate outer side is provided with water inlet, the shell lower portion is provided with water outlet, the shell outer side is provided with filter assembly, the filter assembly includes:

[0007] Funnel barrel, the shell inner side is fixedly installed with funnel barrel, the funnel barrel outer side one end is fixedly installed with sealing ring, the sealing ring is fixedly installed on the shell upper portion, the cover plate is connectedly installed on the sealing ring outer side;

[0008] Cylinder, the other end of the funnel barrel outer side is fixedly installed with cylinder one end, the other end of the cylinder is fixedly installed with filter box, the cylinder inner side is fixedly installed with preliminary filter plate, the filter box inner side upper portion is fixedly installed with isolation filter plate, the filter box inner side lower portion is fixedly installed with support filter plate;

[0009] The motor is fixedly installed outside the cover plate, an output end of the motor is fixedly installed with a long rod, an arc-shaped stirring fan is fixedly installed outside the long rod, a stirring turbine fan is fixedly installed outside the long rod, and an isolation cylinder is fixedly installed outside the supporting filter plate.

[0010] Preferably, the arc-shaped stirring fan is arranged above the preliminary filter plate, the stirring turbine fan is arranged below the preliminary filter plate, the stirring turbine fan is arranged above the isolation filter plate, the isolation cylinder is arranged between the isolation filter plate and the supporting filter plate, and the long rod penetrates the inside of the isolation cylinder.

[0011] Preferably, the filter box is filled with zeolite particles, the zeolite is a hydrophilic and polar surface adsorption material, has a strong affinity for polar substances and metal ions, can effectively remove polar organic matter, heavy metal ions and other pollutants in water, the bottom of the shell has a certain slope, and the water outlet is arranged at the low end of the slope.

[0012] Preferably, a stirring assembly is arranged outside the shell, the stirring assembly comprises a large gear, the long rod is fixedly installed with the large gear outside, a short rod is rotatably installed inside the shell, a small gear is fixedly installed outside the short rod, and a small turbine is fixedly installed outside the short rod.

[0013] Preferably, a plurality of groups of the short rod, the small gear and the small turbine are arranged, the plurality of groups of the small turbine are linearly arranged at equal intervals outside the short rod, and the plurality of groups of the short rod, the small gear and the small turbine are circularly arranged at equal intervals around the center of the circular cross section of the shell.

[0014] Preferably, the plurality of groups of the small gear are engaged with the large gear, and the large gear and the small gear are arranged outside the bottom of the shell.

[0015] Compared with the prior art, the denitrification reactor has the following beneficial effects:

[0016] 1. The denitrification reactor meets the requirements of subsequent treatments such as denitrification on the water quality of the inlet water by arranging the filter assembly, the assembly is connected with the funnel cylinder at one end of the cylinder, the preliminary filter plate inside the filter box performs primary filtration, the isolation filter plate and the supporting filter plate in the filter box perform secondary layered filtration, the isolation cylinder in the filter box assists in positioning the long rod, and the zeolite particles filled in the filter box adsorb pollutants in water by virtue of the characteristics of the zeolite particles, thereby meeting the requirements of subsequent treatments such as denitrification on the water quality of the inlet water.

[0017] 2、The denitrification reactor, in order to make the device further guarantee the filtration purification process of the whole denitrification reactor, by setting up the stirring assembly, the assembly cooperates with the motor to drive the long rod and the large gear to rotate, the large gear cooperates with the small gear and the short rod to drive the small turbine to rotate, and the small turbine forms a plurality of stirring points at the bottom of the shell. These small turbines agitate the water flow, which on the one hand promotes the water filtered preliminarily to flow to the filter box more quickly, speeds up the filtration process, and on the other hand prevents impurities in the water from depositing and accumulating at the bottom, avoids affecting the subsequent filtration link, and guarantees that the filtration purification process of the whole denitrification reactor continues and is efficient. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure top view schematic diagram of the utility model;

[0019] Figure 2 It is a part structure top view schematic diagram of the utility model;

[0020] Figure 3 It is a part structure sectional view schematic diagram of the utility model;

[0021] Figure 4 It is a part structure sectional view schematic diagram of the utility model.

[0022] In the drawing: 1, shell; 2, support frame; 3, support foot; 4, cover plate; 5, water inlet; 6, water outlet; 7, filter assembly; 71, funnel cylinder; 72, sealing ring; 73, cylinder; 74, filter box; 75, preliminary filter plate; 76, isolation filter plate; 77, support filter plate; 78, motor; 79, long rod; 710, arc-shaped agitation fan; 711, agitation turbine fan; 712, isolation cylinder; 8, stirring assembly; 81, large gear; 82, short rod; 83, small gear; 84, small turbine. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides a technical scheme: a denitrification reactor, including shell 1, the support frame 2 is fixedly installed on the outside of shell 1, the support foot 3 is fixedly installed on the outside of shell 1, the cover plate 4 is arranged on the outside of shell 1, the water inlet 5 is arranged on the outside of cover plate 4, and the water outlet 6 is arranged below shell 1.

[0025] In an embodiment of the utility model, the shell 1 outside is provided with filter assembly 7, filter assembly 7 includes funnel cylinder 71, the shell 1 inside fixed mounting has funnel cylinder 71, the one end fixed mounting of funnel cylinder 71 outside is sealed ring 72, sealed ring 72 is fixedly installed on the shell 1 top, the cover plate 4 is clamped and is installed on the outside of sealed ring 72, the other end fixed mounting of funnel cylinder 71 outside is cylinder 73 one end, the other end fixed mounting of cylinder 73 is filter box 74, the inside fixed mounting of cylinder 73 is preliminary filter plate 75, the inside upper fixed mounting of filter box 74 is isolation filter plate 76, the inside lower fixed mounting of filter box 74 is support filter plate 77, the outside fixed mounting of cover plate 4 is motor 78, the output end fixed mounting of motor 78 is long rod 79, the outside fixed mounting of long rod 79 is arc agitating fan 710, the outside fixed mounting of long rod 79 is agitating turbine fan 711, the outside fixed mounting of support filter plate 77 is isolation cylinder 712, arc agitating fan 710 is set on preliminary filter plate 75 top, agitating turbine fan 711 is set on preliminary filter plate 75 below, agitating turbine fan 711 is set on isolation filter plate 76 top, isolation cylinder 712 is set between isolation filter plate 76 and support filter plate 77, long rod 79 passes through the inside of isolation cylinder 712, filter box 74 is filled with zeolite particles, zeolite is hydrophilic, polar surface adsorption material, has very strong affinity for polar material and metal ions, can effectively remove polar organic matter, heavy metal ions and other pollutants in water, the bottom of shell 1 has certain slope, water outlet 6 is set on the low end of slope, first when sewage flows into funnel cylinder 71 from water inlet 5, first passes through preliminary filter plate 75 and carries out primary filtration, removes larger particle impurities, simultaneously, motor 78 starts and drives long rod 79 to rotate, in turn makes arc agitating fan 710 rotate, its stirring material makes water flow evenly dispersed on preliminary filter plate 75, avoids the blockage caused by partial water flow too fast or impurities accumulation, ensures that primary filtration process is stable and efficient, simultaneously, through the rotation of agitating turbine fan 711, further promotes water flow, enhances water flow power, makes sewage more quickly flow to filter box 74, strengthens filtration effect, simultaneously cooperates with the zeolite particles filled in filter box 74, by its hydrophilic, polar surface adsorption characteristics, carries out adsorption to polar organic matter, heavy metal ions and other pollutants in water, realizes depth purification, after multilayer filtration, due to the bottom of shell 1 has certain slope, will naturally flow to the water outlet 6 located on the low end of slope and discharge, effectively improves water quality, meets the requirement of subsequent treatment such as denitrification to water quality.

[0026] In an embodiment of the utility model, the shell 1 outside is provided with stirring subassembly 8, stirring subassembly 8 includes big gear 81, long rod 79 outside fixed mounting has big gear 81, shell 1 inside rotationally installed has short pole 82, short pole 82 outside fixed mounting has small gear 83, short pole 82 outside fixed mounting has small turbine 84, short pole 82, small gear 83 and small turbine 84 are provided with multiple groups, and multiple groups small turbine 84 are linear array at short pole 82 outside with equal interval, and multiple groups short pole 82, small gear 83 and small turbine 84 are with the circular cross section center of shell 1 as array center and are arrayed with equal interval, multiple groups small gear 83 are engaged in big gear 81, and big gear 81 and small gear 83 are set up at shell 1 bottom outside, further when motor 78 drives long rod 79 to rotate, big gear 81 rotates along with it, further through small gear 83, drive short pole 82 and small turbine 84 to rotate, make small turbine 84 form multiple stirring points at shell 1 bottom, its agitating water flow, one aspect promotes the water that has been filtered preliminarily to flow to filter box 74 more quickly, accelerates entire filtration process, improves filtration efficiency, another aspect prevents the impurity in water to deposit and accumulate in bottom, avoids the influence of deposit impurity to subsequent filtration link.

[0027] Working principle: first when sewage flows into funnel cylinder 71 from water inlet 5, first carries out primary filtration through preliminary filter plate 75, removes larger particle impurities, simultaneously, motor 78 starts and drives long rod 79 to rotate, further makes arc agitating fan 710 rotate, its stirring material makes water flow evenly dispersed on preliminary filter plate 75, avoids the blockage caused by local water flow too fast or impurity accumulation, ensures that primary filtration process is stable and efficient, simultaneously further promotes water flow through the rotation of agitating turbine fan 711, enhances water flow power, makes sewage flow to filter box 74 more quickly, strengthens filtration effect, simultaneously cooperates with zeolite particles filled in filter box 74, relies on its hydrophilic, polar surface adsorption characteristics, carries out adsorption to the pollutants such as polar organic matter, heavy metal ions in water, realizes depth purification, after the water of multiple layers filtration, due to the bottom of shell 1 has a certain slope, will naturally flow to the low end of slope and drain off from water outlet 6, effectively improves water quality, meets the requirement of subsequent treatment such as denitrification to water quality, further when motor 78 drives long rod 79 to rotate, big gear 81 rotates along with it, further through small gear 83, drive short pole 82 and small turbine 84 to rotate, make small turbine 84 form multiple stirring points at shell 1 bottom, its agitating water flow, one aspect promotes the water that has been filtered preliminarily to flow to filter box 74 more quickly, accelerates entire filtration process, improves filtration efficiency, another aspect prevents the impurity in water to deposit and accumulate in bottom, avoids the influence of deposit impurity to subsequent filtration link.

[0028] The utility model has made the detailed description to the utility model generally above, but can make some modification or improvement to it on the basis of the utility model, and this is obvious to the general skilled person in the technical field. Therefore, the modification or improvement without departing from the utility model's thought spirit, all are within the utility model's protection scope.

Claims

1. A denitrification reactor, comprising a shell (1), a support frame (2) fixedly installed on the outside of the shell (1), support feet (3) fixedly installed on the outside of the shell (1), a cover plate (4) provided on the outside of the shell (1), an inlet (5) provided on the outside of the cover plate (4), and an outlet (6) provided below the shell (1), characterized in that: The outer side of the shell (1) is provided with a filter assembly (7), the filter assembly (7) comprises: Funnel barrel (71), the inner side of the shell (1) is fixedly installed with funnel barrel (71), one end of the outer side of the funnel barrel (71) is fixedly installed with sealing ring (72), the sealing ring (72) is fixedly installed on the upper side of the shell (1), the cover plate (4) is clamped and installed on the outer side of the sealing ring (72); Cylinder (73), one end of the cylinder (73) is fixedly installed on the other end of the outer side of the funnel barrel (71), the other end of the cylinder (73) is fixedly installed with filter box (74), the inner side of the cylinder (73) is fixedly installed with preliminary filter plate (75), the inner side of the filter box (74) is fixedly installed with isolation filter plate (76), the inner side of the filter box (74) is fixedly installed with support filter plate (77); Motor (78), the outer side of the cover plate (4) is fixedly installed with motor (78), the output end of the motor (78) is fixedly installed with long rod (79), the outer side of the long rod (79) is fixedly installed with arc-shaped stirring fan (710), the outer side of the long rod (79) is fixedly installed with stirring turbine fan (711), the outer side of the support filter plate (77) is fixedly installed with isolation cylinder (712).

2. A denitrification reactor according to claim 1, characterized in that: The arc-shaped stirring fan (710) is arranged above the preliminary filter plate (75), the stirring turbine fan (711) is arranged below the preliminary filter plate (75), the stirring turbine fan (711) is arranged above the isolation filter plate (76), the isolation cylinder (712) is arranged between the isolation filter plate (76) and the support filter plate (77), and the long rod (79) penetrates the inner side of the isolation cylinder (712).

3. The denitrification reactor of claim 1, wherein: The filter box (74) is filled with zeolite particles, the bottom of the shell (1) has a certain slope, and the water outlet (6) is arranged at the low end of the slope.

4. The denitrification reactor of claim 1, wherein: The outer side of the shell (1) is provided with a stirring assembly (8), the stirring assembly (8) comprises a large gear (81), the outer side of the long rod (79) is fixedly installed with a large gear (81), the inner side of the shell (1) is rotatably installed with a short rod (82), the outer side of the short rod (82) is fixedly installed with a small gear (83), and the outer side of the short rod (82) is fixedly installed with a small turbine (84).

5. A denitrification reactor according to claim 4, characterized in that: The short rod (82), the small gear (83) and the small turbine (84) are provided with multiple groups.

6. A denitrification reactor according to claim 4, characterized in that: Multiple small gears (83) are engaged with the large gear (81), and the large gear (81) and the small gear (83) are arranged on the outer side of the bottom of the shell (1).

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