CN217323763U

CN217323763U - Iron-containing wastewater innocent treatment device

Info

Publication number: CN217323763U
Application number: CN202220307789.5U
Authority: CN
Inventors: 刘超; 胡晓鹏; 崔世刚; 来丽坤; 申云洋
Original assignee: CITIC Envirotech Rizhao Co Ltd
Current assignee: CITIC Envirotech Rizhao Co Ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-08-30
Anticipated expiration: 2032-02-16

Abstract

The invention discloses a device for harmlessly treating iron-containing wastewater, which belongs to the technical field of iron-containing wastewater treatment and comprises a main body component, wherein the main body component consists of a pretreatment component, a precipitation component and a biochemical treatment component, the pretreatment component is communicated with the precipitation component, overflow grooves are formed in the connecting positions of the precipitation component and the biochemical treatment component, the precipitation component and the biochemical treatment component are communicated through the overflow grooves, a wastewater feeding component is adopted, a wastewater filtering component is arranged in the wastewater feeding component, so that solid iron in the wastewater can be conveniently filtered and collected, a neutralizing powder feeding component is used for conveniently and quantitatively and uniformly throwing neutralizing powder into the wastewater, a stirring component is used for conveniently and fully mixing the neutralizing powder with the wastewater to separate out iron ions, and then the wastewater is purified through the precipitation component and the biochemical treatment component, convenient to use, improves the treatment effect on iron metal and iron ions in the wastewater, and is convenient to use.

Description

Iron-containing wastewater innocent treatment device

Technical Field

The invention relates to wastewater treatment, in particular to a harmless treatment device for iron-containing wastewater, and belongs to the technical field of iron-containing wastewater treatment.

Background

The iron-containing wastewater discharged by a factory is mainly acid mining wastewater and wastewater discharged from an acid leaching tank for cleaning iron rust on the surface of steel, in order to remove high-content iron metal in the wastewater, lime is usually put into a sedimentation tank to neutralize the acidity of water, so that iron hydroxide is precipitated, and then a biological filter is used for precipitation fermentation to play a purifying role, wherein the publication number is as follows: CN203715407U, a processing apparatus of iron-containing acid waste water, including retort and sedimentation tank, when using, and neutralization wastewater's acidity, deposit for waste water purification, like disclosing the number as: CN109775820A, an iron-bearing waste water treatment equipment adopts the electro-magnet, adsorbs the iron powder in the waste water, collects, nevertheless when using, has the purifying effect relatively poor, and just the neutralization powder is put in inaccurately and inhomogeneous for waste water is not convenient for and waste water mixes, the inconvenient problem of using.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a harmless treatment apparatus for iron-containing wastewater, which is capable of facilitating the collection of solid iron in wastewater and improving the accuracy of the input of neutralizing powder and the sufficiency of mixing.

The invention realizes the aim through the following technical scheme, and the iron-containing wastewater innocent treatment device comprises a main body component, wherein the main body component consists of a pretreatment component, a precipitation component and a biochemical treatment component, the pretreatment component is communicated with the precipitation component, overflow grooves are formed in the connecting positions of the precipitation component and the biochemical treatment component, the precipitation component and the biochemical treatment component are communicated through the overflow grooves, a delivery pump is fixedly arranged on one side of the lower end of the pretreatment component, a first communicating pipe is fixedly arranged at the water inlet end of the delivery pump, the first communicating pipe is communicated with the pretreatment component, a second communicating pipe is fixedly arranged at the water outlet end of the delivery pump, the second communicating pipe is communicated with the precipitation component, and the pretreatment component consists of a wastewater feeding component, a biochemical treatment component and a biochemical treatment component, The waste water mixing assembly and the neutralizing powder feeding assembly are composed, the waste water feeding assembly is installed above the waste water mixing assembly, the neutralizing powder feeding assembly is installed above the waste water mixing assembly and located on two sides of the waste water feeding assembly, the waste water mixing assembly comprises a mixing box, a cover plate is fixedly installed above the mixing box, the waste water feeding assembly and the neutralizing powder feeding assembly are installed on the cover plate, a base is fixedly installed at the lower end of the mixing box, a conveying pump is installed on the lower surface of the base, a stirring assembly is fixedly installed inside the mixing box, and a heat recovery assembly is fixedly installed on the lower surface of the cover plate.

Preferably, in order to facilitate the waste liquid to be in the vortex is formed in the mixing box, the stirring efficiency is improved, so that the waste liquid and a neutralizing substance are fully mixed, the stirring component comprises a partition plate, the partition plate is arranged at the middle position in the mixing box, the inside of the mixing box is positioned at two sides of the partition plate, a first propeller wheel and a second propeller wheel are respectively installed on the two sides of the partition plate in a rotating manner, the rotating directions of the first propeller wheel and the second propeller wheel are opposite, a water retaining rod is fixedly arranged at the lower ends of the two sides of the partition plate, a first driving motor is fixedly arranged at one side of the mixing box, the output end of the first driving motor is respectively and fixedly connected with the first propeller wheel and the second propeller wheel, the heat recovery component comprises a heat exchange tube, the heat exchange tube is arranged at the lower surface of the cover plate, and a water inlet tube and a water outlet tube are respectively and fixedly arranged at the two ends of the heat exchange tube, the inlet tube with the both ends of outlet pipe all extend to the upper end of apron, just the heat exchange tube becomes snakelike distribution, through adopting first helical blade wheel with second helical blade wheel, and opposite direction makes waste water be in the inside of mixing box becomes the vortex state and flows, and passes through during the water bar, be convenient for stir, improve the sufficiency that neutralization powder and waste water mix, convenient to use, and pass through when using lime powder, because the heat that produces when mixing, conveniently carry out heat recovery, improve the utilization ratio of the energy, convenient to use, green avoids the wasting of resources.

Preferably, in order to facilitate the wastewater to enter the mixing box and filter solid iron in the wastewater during entering, the wastewater feeding component comprises a feeding box, the feeding box is arranged on the upper surface of the cover plate, the lower end of the feeding box is communicated with the mixing box, the wastewater filtering component is arranged inside the feeding box, a filter plate is fixedly arranged inside the upper end of the feeding box, the wastewater filtering component comprises connecting plates, an adsorption plate is rotatably arranged at the upper end between the connecting plates, a collecting plate is clamped in the middle of the lower end of the connecting plate, clamping blocks are fixedly arranged on two sides of the upper end of the collecting plate and clamped on the connecting plates, inserting holes are respectively formed in two sides of the feeding box, the collecting plate is inserted in the inserting holes, and electromagnets are fixedly arranged in the middle positions of two sides of the adsorption plate, the glass plates are fixedly arranged on two sides of the adsorption plate, the glass plates are positioned on one side of the electromagnet, a second driving motor is fixedly arranged on one side of the feeding box, the output end of the second driving motor is fixedly connected with the adsorption plate, induction switches are fixedly arranged on two sides of the connecting plate, the induction switches are electrically connected with the electromagnet, solid iron in wastewater can be conveniently adsorbed by the electromagnet, the adsorption plate passes through the induction switches, the electromagnet is closed, the adsorbed solid iron falls on the collection plate, and the collection plate can be conveniently pulled out through the inserting holes after more solid iron is collected by the induction switches, so that the collection plate is convenient to clean, the wastewater can be conveniently guided by the adsorption plate, and the collected solid iron is prevented from being flushed out of the collection plate, is convenient to use.

Preferably, in order to conveniently and quantitatively feed the neutralizing powder and improve the effect of neutralizing the wastewater, the neutralizing powder feeding component comprises a containing hopper, a material distributing pipe is fixedly mounted at the lower end of the containing hopper, a discharging pipe is fixedly mounted at the lower end of the material distributing pipe, the discharging pipes are mounted on the upper surface of the cover plate and positioned on two sides of the wastewater feeding component, the discharging pipes are communicated with the mixing box, material distributing blades are rotatably mounted in the material distributing pipe and connected in a linkage manner, a first belt pulley is fixedly mounted on one side of each material distributing blade, a belt is sleeved between the first belt pulleys, the material distributing blades are connected in a linkage manner through the first belt pulley, a third driving motor is fixedly mounted on one side of the material distributing pipe on one side, and the third driving motor is fixedly connected with the material distributing blades on one side, through divide the material leaf, be convenient for right hold the inside neutralization powder of placing of fill and carry out the ration and put in, improve the accurate nature of putting in, facilitate the use.

Preferably, in order to facilitate the uniform scattering of the neutralizing powder inside the mixing box and improve the mixing effect, blanking holes are formed in both sides of the cover plate, the blanking pipes are positioned right above the blanking holes, an elastic sheet is fixedly installed on one side of the blanking holes, a vertical plate is fixedly installed on the other side of the blanking holes, the vertical plate is rotatably installed on the lower surface of the cover plate, the cam is in linkage connection with the distributing blades, one side of the cam is in contact with the elastic sheet, a second belt pulley is fixedly installed on one side of the cam, a chain is sleeved between the first belt pulley and the second belt pulley, the distributing blades are in linkage connection with the cam through the chain, and when the distributing blades are thrown in, the distributing blades drive the cam to rotate, and then the cam is used for shifting the elastic sheet, so that the neutralizing powder is conveniently scattered, and the throwing uniformity is improved.

The invention has the beneficial effects that: according to the invention, the wastewater feeding assembly is adopted, the wastewater filtering assembly is arranged in the wastewater feeding assembly, so that solid iron in wastewater can be conveniently filtered and collected, the neutralizing powder feeding assembly is used for conveniently and quantitatively and uniformly feeding the neutralizing powder into the wastewater, the stirring assembly is used for conveniently and fully mixing the neutralizing powder with the wastewater to separate out iron ions, and then the wastewater is purified by the precipitation assembly and the biochemical treatment assembly, so that the use is convenient, the treatment effect on iron metal and iron ions in the wastewater is improved, and the use is convenient.

Drawings

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

Fig. 2 is a schematic view of another embodiment of the present invention.

FIG. 3 is a schematic view of the overall structure of the pretreatment module of the present invention.

Fig. 4 is a partial structural schematic view of a feed box in the present invention.

Fig. 5 is a schematic view showing the overall construction of the wastewater filter module according to the present invention.

Fig. 6 is a schematic view of the overall structure of the heat recovery module according to the present invention.

Fig. 7 is a schematic view of the overall structure of the stirring assembly of the present invention.

FIG. 8 is a schematic view showing the overall structure of the neutralizing powder feeding assembly of the present invention.

In the figure: 1. a main body component 11, a pretreatment component 111, a wastewater feeding component 1111, a feeding box 1112, a wastewater filtering component 11121, a connecting plate 11122, an adsorption plate 11123, a collection plate 11124, a clamping block 11125, a plugging hole 11126, an electromagnet 11127, a glass plate 11128, a second driving motor 11129, a sensing switch 1113, a filter plate 112, a wastewater mixing component 1121, a mixing box 1122, a cover plate 1123, a base 1124, a stirring component 11241, a partition plate 11242, a first screw wheel 11243, a second screw wheel 11244, a water bar 11245, a first driving motor 1125, a heat recovery component 11251, a heat exchange tube 11252, a water inlet tube 11253, a water outlet tube 113, a neutralization powder feeding component 1131, a containing bucket 1132, a material distributing tube 1133, a material discharging tube 1134, a discharging blade 1135, a discharging hole 1136, an elastic sheet 1137, an elastic sheet 1138, a cam 1139, a vertical plate 1139 and a

first belt pulley

1139, 11310. the device comprises a belt, 11311, a third driving motor, 11312, a second belt wheel, 11313, a chain, 12, a precipitation component, 13, a biochemical treatment component, 2, an overflow groove, 3, a delivery pump, 4, a first communicating pipe, 5 and a second communicating pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment,

Referring to fig. 1-8, an iron-containing wastewater innocent treatment device comprises a main body component 1, wherein the main body component 1 comprises a pretreatment component 11, a precipitation component 12 and a biochemical treatment component 13, the pretreatment component 11 is communicated with the precipitation component 12, overflow chutes 2 are arranged at the connecting positions of the precipitation component 12 and the biochemical treatment component 13, the precipitation component 12 is communicated with the biochemical treatment component 13 through the overflow chutes 2, a delivery pump 3 is fixedly arranged at one side of the lower end of the pretreatment component 11, a first communicating pipe 4 is fixedly arranged at the water inlet end of the delivery pump 3, the first communicating pipe 4 is communicated with the pretreatment component 11, a second communicating pipe 5 is fixedly arranged at the water outlet end of the delivery pump 3, the second communicating pipe 5 is communicated with the precipitation component 12, the pretreatment component 11 comprises a wastewater feeding component 111, a wastewater mixing component 112 and a neutralization powder feeding component 113, the wastewater feeding assembly 111 is arranged above the wastewater mixing assembly 112, the neutralizing powder feeding assembly 113 is arranged above the wastewater mixing assembly 112 and is positioned at two sides of the wastewater feeding assembly 111, the wastewater mixing assembly 112 comprises a mixing box 1121, a cover plate 1122 is fixedly arranged above the mixing box 1121, the wastewater feeding assembly 111 and the neutralizing powder feeding assembly 113 are both arranged on the cover plate 1122, a base 1123 is fixedly arranged at the lower end of the mixing box 1121, the conveying pump 3 is arranged on the lower surface of the base 1123, a stirring assembly 1124 is fixedly arranged inside the mixing box 1121, and a heat recovery assembly 1125 is fixedly arranged on the lower surface of the cover plate 1122.

As a technical optimization of the present invention, as shown in fig. 7, the stirring assembly 1124 includes a partition 11241, the partition 11241 is installed at a middle position inside the mixing box 1121, a first screw impeller 11242 and a second screw impeller 11243 are respectively rotatably installed at both sides of the partition 11241 inside the mixing box 1121, the first screw impeller 11242 and the second screw impeller 11243 rotate in opposite directions, a water blocking rod 11244 is fixedly installed at both lower ends of both sides of the partition 11241, a first driving motor 11245 is fixedly installed at one side of the mixing box 1121, an output end of the first driving motor 11245 is fixedly connected to the first screw impeller 11242 and the second screw impeller 11243, respectively, the heat recovery assembly 1125 includes a heat exchange pipe 11251, the heat exchange pipe 11251 is installed at a lower surface of the cover plate, both ends of the heat exchange pipe 11251 are respectively fixedly installed with a water inlet pipe 11252 and a water outlet pipe 11253, both ends of the heat exchange pipe 11252 and the water outlet pipe 11253 extend to an upper end of the cover plate, and the heat exchange tubes 11251 are distributed in a serpentine shape.

When the energy-saving type waste water treatment device is used, the stirring component 1124 stirs waste water in the mixing box 1121, so that the waste water is in a vortex state, the flowing speed is increased, the neutralizing powder is mixed conveniently, the precipitation is avoided, heat generated during neutralization is recovered conveniently through the heat recovery component 1125, the energy utilization efficiency is improved, the use is convenient, and the acidity of the waste water is neutralized conveniently.

Example II,

As a technical optimization scheme of the invention, as shown in fig. 4 and 5, the wastewater feeding assembly 111 includes a feeding box 1111, the feeding box 1111 is installed on the upper surface of a cover plate 1122, the lower end of the feeding box 1111 is communicated with a mixing box 1121, a wastewater filtering assembly 1112 is installed inside the feeding box 1111, a filter plate 1113 is fixedly installed inside the upper end of the feeding box 1111, the wastewater filtering assembly 1112 includes connecting plates 11121, an adsorption plate 11122 is rotatably installed at the upper end between the connecting plates 11121, a collection plate 11123 is clamped in the middle of the lower end of the connecting plate 11121, clamping blocks 11124 are fixedly installed on both sides of the upper end of the collection plate 11123, the clamping blocks 11124 are clamped on the connecting plates 11121, insertion holes 11125 are respectively opened on both sides of the feeding box 1111, the collection plate 11123 is inserted in the insertion holes 11125, electromagnets 11126 are fixedly installed in the middle positions of both sides of the adsorption plate 11122, glass plates 11127 are fixedly installed on both sides of the adsorption plate 11122, glass sheet 11127 is located the one side of electro-magnet 11126, and one side fixed mounting of feed box 1111 has second driving motor 11128, and the output and the adsorption plate 11122 of second driving motor 11128 are fixed connection mutually, and the both sides of connecting plate 11121 are all fixed mounting have inductive switch 11129, inductive switch 11129 electric connection electro-magnet 11126.

When the waste water filtering device is used, waste water can be conveniently discharged into the mixing box 1121 through the waste water feeding component 111, solid iron in the waste water can be conveniently collected through the waste water filtering component 1112, and the collected solid iron can be conveniently taken out through the inserting hole 11125, so that the waste water filtering device is convenient to clean and use.

Example III,

As a technical optimization scheme of the present invention, as shown in fig. 4 and 5, the wastewater feeding assembly 111 includes a feeding box 1111, the feeding box 1111 is installed on the upper surface of the cover plate 1122, the lower end of the feeding box 1111 is communicated with the mixing box 1121, a wastewater filtering assembly 1112 is installed inside the feeding box 1111, a filter plate 1113 is fixedly installed inside the upper end of the feeding box 1111, the wastewater filtering assembly 1112 includes connection plates 11121, an adsorption plate 11122 is rotatably installed at the upper end between the connection plates 11121, a collection plate 11123 is clamped in the middle of the lower end of the connection plate 11121, clamping blocks 11124 are fixedly installed on both sides of the upper end of the collection plate 11123, the clamping blocks 11124 are clamped on the connection plates 11121, insertion holes 11125 are respectively opened on both sides of the feeding box 1111, the collection plate 11123 is inserted in the insertion holes 11125, electromagnets 11126 are fixedly installed in the middle positions of both sides of the collection plate 11122, glass plates 11127 are respectively fixedly installed on both sides of the adsorption plate 11122, glass sheet 11127 is located the one side of electro-magnet 11126, and one side fixed mounting of feed box 1111 has second driving motor 11128, and the output and the adsorption plate 11122 of second driving motor 11128 are fixed connection mutually, and the both sides of connecting plate 11121 are all fixed mounting have inductive switch 11129, inductive switch 11129 electric connection electro-magnet 11126.

As a technical optimization scheme of the present invention, as shown in fig. 8, the neutralizing powder feeding assembly 113 includes a containing hopper 1131, a material distributing pipe 1132 is fixedly installed at a lower end of the containing hopper 1131, a material discharging pipe 1133 is fixedly installed at a lower end of the material distributing pipe 1132, the material discharging pipe 1133 is installed on the upper surface of the cover plate 1122 and is located on two sides of the wastewater feeding assembly 111, the material discharging pipe 1133 is communicated with the mixing box 1121, material distributing blades 1134 are rotatably installed inside the material distributing pipe 1132, the material distributing blades 1134 are connected in a linkage manner, a first belt pulley 1139 is fixedly installed on one side of the material distributing blades 1134, a belt 11310 is sleeved between the first belt pulleys 1139, the material distributing blades 1134 are connected in a linkage manner through the first belt pulley 1139 and the belt 11310, a third driving motor 11311 is fixedly installed on one side of the material distributing pipe 1132, and the third driving motor 11311 is fixedly connected to the material distributing blade 1134 on one side.

When the powder mixer is used, the neutralizing powder is conveniently and quantitatively put into the mixing box 1121 through the distributing blades 1134, and the powder mixer is convenient to use.

Example four,

As a technical optimization scheme of the present invention, as shown in fig. 8, blanking holes 1135 are formed on both sides of a cover plate 1122, a blanking tube 1133 is located right above the blanking holes 1135, an elastic sheet 1136 is fixedly installed on one side of the blanking hole 1135, a vertical plate 1137 is fixedly installed on the other side of the blanking hole 1135, a cam 1138 is rotatably installed on the vertical plate 1137, the cam 1138 and a distribution blade 1134 are linked and connected, one side of the cam 1138 is in contact with the elastic sheet 1136, a second pulley 11312 is fixedly installed on one side of the cam 1138, a chain 11313 is sleeved between the first pulley 1139 and the second pulley 11312, and the distribution blade 1134 is linked and connected to the cam 1138 through the chain 11313.

When the acid washing powder neutralizing device is used, the neutralizing powder is conveniently scattered when the neutralizing powder is thrown in through the elastic piece 1136 and the cam 1138, the throwing uniformity is improved, the use is convenient, and the acid washing in the wastewater is conveniently neutralized.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an iron-containing wastewater innocent treatment device which characterized in that: comprises a main body component (1), the main body component (1) consists of a pretreatment component (11), a precipitation component (12) and a biochemical treatment component (13), the pretreatment component (11) is communicated with the precipitation component (12), and overflow chutes (2) are arranged at the connecting positions of the sedimentation component (12) and the biochemical treatment component (13), the sedimentation component (12) is communicated with the biochemical treatment component (13) through the overflow trough (2), a delivery pump (3) is fixedly arranged on one side of the lower end of the pretreatment component (11), and the water inlet end of the delivery pump (3) is fixedly provided with a first communicating pipe (4), the first communicating pipe (4) is communicated with the pretreatment component (11), a second communicating pipe (5) is fixedly arranged at the water outlet end of the delivery pump (3), the second communicating pipe (5) is communicated with the sedimentation component (12).

2. The iron-containing wastewater innocent treatment device according to claim 1, characterized in that: the pretreatment assembly (11) consists of a wastewater feeding assembly (111), a wastewater mixing assembly (112) and a neutralization powder feeding assembly (113), the wastewater feeding assembly (111) is arranged above the wastewater mixing assembly (112), and the neutralization powder feeding assembly (113) is arranged above the wastewater mixing assembly (112) and is positioned at two sides of the wastewater feeding assembly (111).

3. The iron-containing wastewater innocent treatment device according to claim 2, characterized in that: the waste water mixing component (112) comprises a mixing box (1121), a cover plate (1122) is fixedly installed above the mixing box (1121), the waste water feeding component (111) and the neutralization powder feeding component (113) are both installed on the cover plate (1122), a base (1123) is fixedly installed at the lower end of the mixing box (1121), and the conveying pump (3) is installed on the lower surface of the base (1123).

4. The iron-containing wastewater innocent treatment device according to claim 3, characterized in that: the mixing box (1121) is fixedly provided with a stirring component (1124) inside, and the lower surface of the cover plate (1122) is fixedly provided with a heat recovery component (1125).

5. The iron-containing wastewater innocent treatment device according to claim 4, characterized in that: the stirring assembly (1124) comprises a partition plate (11241), the partition plate (11241) is installed at the middle position in the mixing box (1121), a first helical impeller (11242) and a second helical impeller (11243) are respectively and rotatably installed at two sides of the partition plate (11241) in the mixing box (1121), and the rotating directions of the first helical impeller (11242) and the second helical impeller (11243) are opposite.

6. The iron-containing wastewater innocent treatment device according to claim 4, characterized in that: the heat recovery assembly (1125) comprises a heat exchange tube (11251), the heat exchange tube (11251) is installed on the lower surface of the cover plate (1122), a water inlet tube (11252) and a water outlet tube (11253) are respectively and fixedly installed at two ends of the heat exchange tube (11251), the water inlet tube (11252) and two ends of the water outlet tube (11253) both extend to the upper end of the cover plate (1122), and the heat exchange tube (11251) is distributed in a snake shape.

7. The iron-containing wastewater innocent treatment device according to claim 3, characterized in that: waste water feeding subassembly (111) includes feeding case (1111), just feeding case (1111) is installed the upper surface of apron (1122), just the lower extreme of feeding case (1111) with mixing tank (1121) is linked together, the internally mounted of feeding case (1111) has waste water filter assembly (1112), just the inside fixed mounting in upper end of feeding case (1111) has filter (1113).

8. The iron-containing wastewater innocent treatment device according to claim 7, characterized in that: waste water filter assembly (1112) include connecting plate (11121), just upper end rotation between connecting plate (11121) is installed and is adsorbed board (11122), joint has collection board (11123) in the middle of the lower extreme of connecting plate (11121).

9. The iron-containing wastewater harmless treatment device according to claim 3, characterized in that: neutralization powder feeding subassembly (113) is including holding fill (1131), just hold the lower extreme fixed mounting who fights (1131) and divide material pipe (1132), the lower extreme fixed mounting who divides material pipe (1132) has unloading pipe (1133), just unloading pipe (1133) are installed the upper surface of apron (1122) is located the both sides of waste water feeding subassembly (111), just unloading pipe (1133) with mixing box (1121) is linked together, divide the internal rotation of material pipe (1132) to install and divide material leaf (1134), just divide and link mutually between material leaf (1134).

10. The iron-containing wastewater innocent treatment device according to claim 9, characterized in that: blanking hole (1135) have all been seted up to the both sides of apron (1122), just blanking pipe (1133) are located directly over blanking hole (1135), the lower surface of apron (1122) is located one side fixed mounting elastic sheet (1136) of blanking hole (1135), just the lower surface of apron (1122) is located the opposite side fixed mounting of blanking hole (1135) has riser (1137), rotate on riser (1137) and install cam (1138), just cam (1138) with divide between the material leaf (1134) linkage mutually to be connected, one side of cam (1138) with the contact of elastic sheet (1136).