CN115215455B - Efficient antimony removal process for printing and dyeing wastewater and treatment equipment thereof - Google Patents
Efficient antimony removal process for printing and dyeing wastewater and treatment equipment thereof Download PDFInfo
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- CN115215455B CN115215455B CN202210587256.1A CN202210587256A CN115215455B CN 115215455 B CN115215455 B CN 115215455B CN 202210587256 A CN202210587256 A CN 202210587256A CN 115215455 B CN115215455 B CN 115215455B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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Abstract
The invention belongs to the technical field of sewage treatment, in particular to a high-efficiency antimony removal process for printing and dyeing wastewater and treatment equipment thereof, comprising a box body, wherein the upper end and the lower end of the box body are respectively provided with a water inlet pipe and a water outlet pipe; a plurality of groups of filter plates are arranged in the box body from top to bottom, the filter plates are respectively contacted with the inner wall of the box body, and an adsorbent capable of removing antimony is arranged on the filter plates; according to the invention, the adsorbents are respectively arranged on the filter plates at different positions in the box body and are uniformly distributed at all positions on the filter plates, when water flows from top to bottom in the box body, the water flow can fully contact and react with the adsorbents at different positions with higher frequency, so that the multi-stage antimony removal can be carried out on the wastewater, the antimony removal efficiency of the wastewater is improved, and meanwhile, the filter plates can intercept impurities in the wastewater, so that the treatment effect of the wastewater after passing through the box body is further improved.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a high-efficiency antimony removal process for printing and dyeing wastewater and treatment equipment thereof.
Background
The printing and dyeing wastewater has the characteristics of difficult degradation, heavy metal residue and the like, and brings serious harm to human health and ecological environment. Among them, heavy metal Sb is becoming more and more important worldwide due to its potential toxicity, belonging to the priority control of pollutants. In textile and apparel production, a large amount of Sb is used as a catalyst for polyester fiber textile processing in order to improve wash resistance. In recent years, the problem of Sb pollution caused by discharge of printing and dyeing wastewater is increasingly remarkable, and Sb has been listed as one of characteristic pollutants in wastewater in the textile printing and dyeing industry.
One chinese patent publication No. CN110683679a discloses a device and a method for efficiently removing antimony from printing and dyeing wastewater, the device includes an adsorption tank having a water inlet and a water outlet, an adsorbent layer, a sand layer and a gravel layer are respectively disposed on an upper portion, a middle portion and a lower portion of the adsorption tank, an adsorbent of the adsorbent layer is iron sulfide, the water inlet includes an upper water inlet disposed at an upper end of the adsorption tank, and the water outlet includes a lower water outlet disposed at a lower end of the adsorption tank. The device and the method for efficiently removing the antimony from the printing and dyeing wastewater can effectively remove the Sb in the printing and dyeing wastewater, have short treatment time, are simple and easy to operate, improve the antimony removing efficiency of the printing and dyeing wastewater, reduce the antimony removing cost of the printing and dyeing wastewater, and have wide application prospect and good economic benefit.
The printing and dyeing wastewater antimony removal equipment in the technology can perform antimony removal treatment in a form of built-in adsorbent, but because the adsorbent is often accumulated at a certain position of the box body in a concentrated way, the adsorbent and the wastewater are affected to perform sufficient and efficient contact reaction, so that the antimony removal efficiency of the wastewater can be affected to a certain extent.
Therefore, the invention provides a high-efficiency antimony removal process for printing and dyeing wastewater and treatment equipment thereof.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a treatment device for efficiently removing antimony from printing and dyeing wastewater, which comprises a box body, wherein the upper end and the lower end of the box body are respectively provided with a water inlet pipe and a water outlet pipe; a plurality of groups of filter plates are arranged in the box body from top to bottom, the filter plates are respectively contacted with the inner wall of the box body, and an adsorbent capable of removing antimony is arranged on the filter plates; in the prior art, the printing and dyeing wastewater antimony removal equipment can perform antimony removal treatment in a form of built-in adsorbent, but because the adsorbent is often accumulated at a certain position of a box body in a concentrated way, the adsorbent and the wastewater are affected to perform sufficient and efficient contact reaction, so that the antimony removal efficiency of the wastewater is affected to a certain extent; when the treatment equipment is used, the adsorbents (such as iron sulfide) can be respectively arranged on the filter plates at different positions in the box body and uniformly distributed at all positions on the filter plates, and when water flows from top to bottom in the box body, the water flow can fully contact and react with the adsorbents at higher frequency and different positions, so that the multi-stage antimony removal can be carried out on the wastewater, the antimony removal efficiency of the wastewater is improved, and meanwhile, the filter plates can intercept impurities in the wastewater, so that the treatment effect of the wastewater after passing through the box body is further improved.
Preferably, the filter plate is arranged in a cylinder shape, the filter plate consists of an inner net sleeve and an outer net sleeve, a gap is arranged between the inner net sleeve and the outer net sleeve, the adsorbent is filled between the inner net sleeve and the outer net sleeve, a motor is arranged on the outer wall of a box body corresponding to the middle part of one end of the outer net sleeve, and the conveying end of the motor is connected with the end surfaces of the outer net sleeve and the inner net sleeve at the corresponding positions through a rotating shaft; when waste water carries out except that antimony and handles, drive interior cover and outer net cover through the motor and rotate, make the adsorbent in the inside cavity rotate and roll in waste water, further improved the contact reaction effect of adsorbent and waste water, simultaneously when outer net cover rotates, outer net cover also can rotate the impurity of interception to box lateral wall department to under the spacing of box inner wall stops, make impurity concentrate collection in the contained angle department between box and the oversheath lateral wall, thereby can play the effect of self-cleaning to the filter, reduce the condition that the filter appears blocking.
Preferably, a group of support plates which are annularly and uniformly distributed are connected to the outer ring side wall of the inner net sleeve, the outer net sleeve consists of a group of arc-shaped nets which are annularly and uniformly distributed, one end of each arc-shaped net is rotationally connected with the free end of each support plate, the other end of each arc-shaped net is connected with the end of the other support plate, a material changing groove is formed in a box body corresponding to one side of the bottom of the inner net sleeve, a baffle is rotationally connected to the inside of the material changing groove, a guide block is connected to the inner wall of the box body corresponding to one side of the bottom of the material changing groove, and one surface, close to the arc-shaped net, of each guide block is set to be an arc-shaped surface which is fit with the guide block; when the adsorbent between the arc-shaped net and the inner net sleeve needs to be replaced due to long-time work, only the arc-shaped net needs to be rotated to the position just facing the material changing groove, the baffle is rotated at the moment to enable the material changing groove to be opened, the inside adsorbent flows out under the action of the arc-shaped face of the guide block by detaching the end part of the arc-shaped net, meanwhile, the unused adsorbent is added between the arc-shaped net and the inner net sleeve again, the adsorbent is limited after the arc-shaped plate is rotated and installed, and therefore the adsorbent inside the box body can be replaced conveniently and rapidly.
Preferably, the rotary connecting end of the arc-shaped net is rotationally connected with the corresponding bottom supporting plate through a torsion spring; through setting up the position that the arc net rotated the link for when the arc net moved to the feed tank department, its rotation point was located the bottom baffle position department of two baffles, through opening the arc net this moment, and place new adsorbent in arc net department, when loosening the arc net this moment, the arc net can automatic rotation reset under the effect of torsional spring, and in transporting the adsorbent automatic transport to the cavity between arc net and the intranet cover, thereby make the change work of adsorbent more convenient.
Preferably, a discharge groove is formed in the position, corresponding to the top end of the topmost outer net sleeve, of the box body, the discharge groove is arranged on one side, where impurities are collected, of the outer net sleeve, the bottom end of the discharge groove is flush with a plane where the central shaft of the arc-shaped net is located, and an opening and closing door is rotatably connected to the discharge groove; when the impurity in the box inner wall and the arc cover contained angle is more needs to be cleared up, only need open the switching door of arranging the silo department this moment, can carry out convenient recovery with the impurity of this department.
Preferably, a push rod is arranged on the inner wall of the box body corresponding to the top end of the discharge groove, the bottom end of the push rod is connected with an L-shaped plugging plate, the bottom end of the plugging plate is connected with an arc-shaped sliding sleeve, an arc-shaped sliding plate is connected inside the bottom end of the sliding sleeve in a sliding manner, an elastic piece is connected between the sliding plate and the inner end of the sliding sleeve, a gap is reserved between the free end of the sliding plate and the inner wall of the box body on one side, the shapes of the sliding sleeve and the sliding plate are matched with those of an arc-shaped net, and one surface, close to the arc-shaped net, of the sliding plate is connected with a plurality of conical blocks; when foretell row's silo is opened and is carried out impurity and retrieve, in order to reduce the inside waste water outflow polluted environment of box, need clean waste water in the box in advance, this moment through setting up the shutoff structure in row's silo department, when needing to carry out impurity and retrieve, the push rod drives shutoff board and sliding sleeve downstream, until the slide motion to arc net department, and make the conical body prick the net mouth of arc net, afterwards, drive the arc net through the motor and carry out anticlockwise rotation, make the arc net can drive slide simultaneous movement through complex conical body, until the slide motion to the position department that laminates mutually with the box inner wall, at this moment, the shutoff board can form closed cavity with the box inner wall, thereby when making impurity clearance in this cavity discharge, waste water in the box can not flow out simultaneously, no longer need to empty the box when retrieving impurity, the convenience when retrieving the box impurity has further been improved.
Preferably, a concave part is formed on the inner side of the bottom surface of the discharge groove, and the sliding plate can elastically deform when being pressed; the slide (can be made by the metal strip that can warp) can move to the depressed part department under the cooperation of arc net and conical body, and the inside water pressure of box can exert certain pressure to the slide this moment for slide tip can be powerful support the depressed part lateral wall department, and the condition of revealing between the waste water in the box and the box from the slide when the reduction impurity is discharged.
Preferably, a magnetic block capable of attracting the sliding plate is arranged in the concave part, the conical block is rotationally connected with the side wall of the sliding plate through a torsion spring, and a limit strip is connected to the sliding plate corresponding to one side of the bottom end of the conical block; through set up spacing in toper piece department for toper piece can only anticlockwise rotate, and can't clockwise turn, make the toper piece behind the net gape of inserting the arc net, can move under the drive of net gape, when the slide motion is to the position nearer to the magnetic block, the magnetic block can attract the slide, make the slide can match with the depressed part by high efficiency more, the toper piece can anticlockwise swing under the effect of arc net gape simultaneously, thereby can slide for the arc net, make the motion of slide can go on smoothly.
Preferably, the conical block consists of a movable seat and a thimble, the movable seat is rotationally connected with the side wall of the sliding plate through a torsion spring, a chute is formed at one end, close to the thimble, of the movable seat, one end, close to the movable seat, of the thimble is positioned in the chute and is slidingly connected with the chute, an elastomer is connected between the thimble and the inner end of the chute, and the chute is communicated with the inner end of the sliding sleeve through an air pipe; when the sliding plate slides in the sliding sleeve under the adsorption of the magnetic block, the sliding sleeve can exhaust the sliding groove through the air pipe along with the increase of the space in the sliding sleeve, so that the thimble is retracted under the action of air pressure in the sliding groove, the thimble is pulled out of the net opening of the arc-shaped net, and the resistance of the sliding plate and the arc-shaped net in relative movement is reduced.
The process adopts the treatment equipment, and comprises the following process steps:
s1: firstly, respectively mounting adsorbents on filter plates at different positions in a box body, and uniformly distributing the adsorbents on all positions on the filter plates;
s2: pretreating printing and dyeing wastewater to be treated in advance by a three-stage sedimentation tank, and pumping the treated wastewater into a box body from a water inlet pipe by a water pump;
s3: after the wastewater in the box body flows from top to bottom, antimony is removed from the wastewater by the adsorbent on the filter plate, and then the treated wastewater is discharged by the water outlet pipe at the bottom end of the box body; when the water flow flows from top to bottom in the box body, the water flow can be more fully contacted and reacted with adsorbents with higher frequency and different positions, so that the antimony removal efficiency of the wastewater is improved, and meanwhile, the filter plate can intercept impurities in the wastewater, so that the treatment effect of the wastewater after passing through the box body is further improved.
The beneficial effects of the invention are as follows:
1. according to the high-efficiency antimony-removing treatment equipment for printing and dyeing wastewater, the adsorbents are respectively arranged on the filter plates at different positions in the box body and are uniformly distributed at all positions on the filter plates, when water flows in the box body from top to bottom, the water flows can fully contact and react with the adsorbents at different positions with higher frequency, so that the wastewater can be subjected to multistage antimony removal, the antimony-removing efficiency of the wastewater is improved, and meanwhile, the filter plates can intercept impurities in the wastewater, so that the treatment effect of the wastewater after passing through the box body is further improved.
2. According to the high-efficiency antimony-removing treatment equipment for printing and dyeing wastewater, when the adsorbent between the arc-shaped net and the inner net sleeve needs to be replaced due to long-time work, the arc-shaped net is only required to be rotated to the position opposite to the material changing groove, the baffle is rotated to enable the material changing groove to be opened, the adsorbent in the arc-shaped net is enabled to flow out under the action of the arc-shaped face of the guide block by detaching the end part of the arc-shaped net, meanwhile, the unused adsorbent is added between the arc-shaped net and the inner net sleeve again, and the adsorbent is limited after the arc-shaped plate is rotatably installed, so that the adsorbent in the box body can be replaced conveniently and rapidly.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is an enlarged view at B in fig. 2;
fig. 5 is an enlarged view at C in fig. 4;
FIG. 6 is a schematic view of the structure of the second embodiment at the tapered block;
fig. 7 is an enlarged view at D in fig. 6;
FIG. 8 is a process step diagram of the present invention;
in the figure: the device comprises a box body 1, a water inlet pipe 2, a water outlet pipe 3, a filter plate 4, an adsorbent 5, an inner net sleeve 6, an outer net sleeve 7, a motor 8, a supporting plate 9, an arc-shaped net 10, a material changing groove 11, a baffle 12, a guide block 13, a material discharging groove 14, an opening and closing door 15, a push rod 16, a plugging plate 17, a sliding sleeve 18, a sliding plate 19, an elastic piece 20, a conical block 21, a concave part 22, a magnetic block 23, a limiting strip 24, a movable seat 25, a thimble 26, an elastic body 27 and an air pipe 28.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1-2, the treatment device for efficiently removing antimony from printing and dyeing wastewater in the embodiment of the invention comprises a box body 1, wherein a water inlet pipe 2 and a water outlet pipe 3 are respectively arranged at the upper end and the lower end of the box body 1; a plurality of groups of filter plates 4 are arranged in the box body 1 from top to bottom, the filter plates 4 are respectively contacted with the inner wall of the box body 1, and an adsorbent 5 capable of removing antimony is arranged on the filter plates 4; in the prior art, the printing and dyeing wastewater antimony removal equipment can perform antimony removal treatment in a form of internally arranging the adsorbent 5, but the adsorbent 5 is often accumulated at a certain position of the box body 1 in a concentrated manner, so that the adsorbent 5 and the wastewater are affected to perform a sufficient and efficient contact reaction, and the antimony removal efficiency of the wastewater is affected to a certain extent; when the treatment equipment is used, the adsorbents 5 (such as iron sulfide) can be respectively arranged on the filter plates 4 at different positions in the box body 1, and are uniformly distributed at all positions on the filter plates 4, and when water flows from top to bottom in the box body 1, the water flow can fully contact and react with the adsorbents 5 with higher frequency and different positions, so that the multi-stage antimony removal can be carried out on the wastewater, the antimony removal efficiency of the wastewater is improved, and meanwhile, the filter plates 4 can intercept impurities in the wastewater, so that the treatment effect of the wastewater after passing through the box body 1 is further improved.
As shown in fig. 2-3, the filter plate 4 is configured in a cylindrical shape, the filter plate 4 is composed of an inner mesh sleeve 6 and an outer mesh sleeve 7, a gap is arranged between the inner mesh sleeve 6 and the outer mesh sleeve 7, the adsorbent 5 is filled between the inner mesh sleeve 6 and the outer mesh sleeve 7, a motor 8 is installed on the outer wall of the box body 1 corresponding to the middle part of one end of the outer mesh sleeve 7, and the conveying end of the motor 8 is connected with the end surfaces of the outer mesh sleeve 7 and the inner mesh sleeve 6 at the corresponding positions through a rotating shaft; when waste water carries out antimony removal processing, drive interior net cover 6 and outer net cover 7 through motor 8 and rotate, make adsorbent 5 in the inside cavity rotate and roll in waste water, further improved the contact reaction effect of adsorbent 5 and waste water, simultaneously when outer net cover 7 rotates, outer net cover 7 also can rotate the impurity of interception to box 1 lateral wall department, and under the spacing of box 1 inner wall was blocked, make impurity concentrate the contained angle department of collecting between box 1 and oversheath lateral wall, thereby can play the effect of self-cleaning to filter 4, reduce the condition that filter 4 appears blocking.
The inner net sleeve 6 is characterized in that a group of support plates 9 which are annularly and uniformly distributed are connected to the outer ring side wall of the inner net sleeve 6, the outer net sleeve 7 is composed of a group of arc-shaped nets 10 which are annularly and uniformly distributed, one end of each arc-shaped net 10 is rotatably connected with the free end of each support plate 9, the other end of each arc-shaped net 10 is connected with the end of the corresponding other support plate 9, a material changing groove 11 is formed in the box body 1 corresponding to one side of the bottom of the inner net sleeve 6, a baffle 12 is rotatably connected to the inside of the material changing groove 11, a guide block 13 is connected to the inner wall of the box body 1 corresponding to one side of the bottom of the material changing groove 11, and one surface, close to the arc-shaped net 10, of each guide block 13 is set to be an arc-shaped surface which is attached to the corresponding guide block 13; when the adsorbent 5 between the arc-shaped net 10 and the inner net sleeve 6 needs to be replaced due to long-time work, the arc-shaped net 10 is only required to be rotated to the position opposite to the material changing groove 11, the material changing groove 11 is opened by rotating the baffle 12, the inside adsorbent 5 flows out under the action of the arc-shaped surface of the guide block 13 by detaching the end part of the arc-shaped net 10, meanwhile, the unused adsorbent 5 is added between the arc-shaped net 10 and the inner net sleeve 6 again, and the adsorbent 5 is limited after the arc-shaped plate is rotated and installed, so that the adsorbent 5 in the box 1 can be replaced conveniently and rapidly.
The rotating connection end of the arc-shaped net 10 is rotationally connected with the corresponding bottom supporting plate 9 through a torsion spring; through setting up the position that arc net 10 rotated the link for when arc net 10 moved to feed tank 11 department, its rotation point was located the bottom baffle 12 position department of two baffles 12, through opening arc net 10 this moment, and place new adsorbent 5 in arc net 10 departments, when unclamping arc net 10 this moment, arc net 10 can automatic rotation reset under the effect of torsional spring, and with adsorbent 5 automatic transport to the cavity between arc net 10 and the intranet cover 6, thereby make the change work of adsorbent 5 more convenient.
As shown in fig. 4-5, a discharge groove 14 is formed in the position of the box 1 corresponding to the top end of the topmost outer net cover 7, the discharge groove 14 is arranged on one side of the outer net cover 7 where impurities are collected, the bottom end of the discharge groove 14 is flush with a plane where the central axis of the arc-shaped net 10 is located, and an opening and closing door 15 is rotatably connected to the discharge groove 14; when the impurity in the contained angle of the inner wall of the box body 1 and the arc-shaped sleeve is more to be cleaned, the impurity at the position can be conveniently recovered only by opening the opening and closing door 15 at the position of the discharge groove 14.
The novel plastic box is characterized in that a push rod 16 is arranged on the inner wall of the box body 1 corresponding to the top end of the discharge groove 14, the bottom end of the push rod 16 is connected with an L-shaped plugging plate 17, the bottom end of the plugging plate 17 is connected with an arc-shaped sliding sleeve 18, an arc-shaped sliding plate 19 is connected inside the bottom end of the sliding sleeve 18 in a sliding manner, an elastic piece 20 is connected between the sliding plate 19 and the inner end of the sliding sleeve 18, a gap is reserved between the free end of the sliding plate 19 and the inner wall of the box body 1 on one side, the shapes of the sliding sleeve 18 and the sliding plate 19 are matched with those of the arc-shaped net 10, and one surface, close to the arc-shaped net 10, of the sliding plate 19 is connected with a plurality of conical blocks 21; when the above-mentioned discharge groove 14 is opened and carries out impurity recovery, in order to reduce the inside waste water outflow polluted environment of box 1, need clean waste water in box 1 in advance, this moment through setting up the shutoff structure in discharge groove 14 department, when needing to carry out impurity recovery, push rod 16 drives shutoff board 17 and sliding sleeve 18 downward movement, until slide 19 moves to arc net 10 department, and make the conical body prick in the net mouth of arc net 10, then drive arc net 10 through motor 8 and carry out anticlockwise rotation, make arc net 10 can drive slide 19 synchronous motion through the complex conical body, until slide 19 moves to the position department that is laminated with box 1 inner wall, at this moment slide 19, shutoff board 17 and box 1 inner wall can form closed cavity, thereby when making impurity clearance in this cavity discharge, waste water in box 1 can not flow out simultaneously, no longer need to the evacuation with box 1 when impurity is retrieved, convenience when recycling the impurity has further been improved box 1.
A concave part 22 is formed on the inner side of the bottom surface of the discharge groove 14, and the sliding plate 19 can elastically deform when being pressed; the slide plate 19 (which can be made of deformable metal strips) can move to the concave part 22 under the cooperation of the arc-shaped net 10 and the conical body, and at the moment, the water pressure in the box body 1 can apply a certain pressure to the slide plate 19, so that the end part of the slide plate 19 can be pressed against the side wall of the concave part 22 forcefully, and the situation that the waste water in the box body 1 leaks from the position between the slide plate 19 and the box body 1 when impurities are discharged is reduced.
The concave part 22 is provided with a magnetic block 23 which can attract the sliding plate 19, the conical block 21 is rotationally connected with the side wall of the sliding plate 19 through a torsion spring, and a limit strip 24 is connected on the sliding plate 19 corresponding to one side of the bottom end of the conical block 21; through setting up spacing 24 in toper piece 21 department for toper piece 21 can only anticlockwise rotate, and can't clockwise turn, make toper piece 21 behind the net gape of inserting arc net 10, can move under the drive of net gape, when slide 19 moves to the position nearer to magnetic block 23, magnetic block 23 can attract slide 19, make slide 19 can cooperate with depressed part 22 more quick efficient, toper piece 21 can anticlockwise swing under the effect of arc net 10 net gape simultaneously, thereby can slide for arc net 10, make the motion of slide 19 go on smoothly.
Embodiment two:
as shown in fig. 6-7, comparative example one, in which another embodiment of the present invention is: the conical block 21 consists of a movable seat 25 and a thimble 26, the movable seat 25 is rotationally connected with the side wall of the sliding plate 19 through a torsion spring, a chute is formed at one end of the movable seat 25, which is close to the thimble 26, and one end of the thimble 26, which is close to the movable seat 25, is positioned in the chute and is slidingly connected with the chute, an elastic body 27 is connected between the thimble 26 and the inner end of the chute, and the chute is communicated with the inner end of the sliding sleeve 18 through an air pipe 28; when the sliding plate 19 slides in the sliding sleeve 18 under the adsorption of the magnetic block 23, the sliding sleeve 18 can exhaust air to the sliding groove through the air pipe 28 along with the increase of the space in the sliding sleeve 18, so that the thimble 26 is retracted under the action of air pressure in the sliding groove, the thimble 26 is pulled out of the net mouth of the arc-shaped net 10, and the resistance of the sliding plate 19 and the arc-shaped net 10 during relative movement is reduced.
As shown in FIG. 8, the process for efficiently removing antimony from printing and dyeing wastewater adopts the treatment equipment, and comprises the following process steps:
s1: firstly, the adsorbents 5 are respectively arranged on the filter plates 4 at different positions in the box body 1, and are uniformly distributed at all positions on the filter plates 4;
s2: the printing and dyeing wastewater to be treated is pretreated in advance by a three-stage sedimentation tank, and then the treated wastewater is pumped into the box body 1 from the water inlet pipe 2 by a water pump;
s3: after the wastewater in the box body 1 flows from top to bottom, antimony is removed from the wastewater by the adsorbent 5 on the filter plate 4, and then the treated wastewater is discharged by the water outlet pipe 3 at the bottom end of the box body 1; when the rivers flow from top to bottom in box 1 inside, rivers can more fully with the contact reaction of adsorbent 5 of higher frequency and different positions to improve the antimony removal efficiency of waste water, filter 4 can intercept the impurity in the waste water simultaneously, thereby further improved the treatment effect behind the waste water through box 1.
Working principle: when the treatment equipment is used, the adsorbents 5 (such as iron sulfide) can be respectively arranged on the filter plates 4 at different positions in the box body 1, and are uniformly distributed at all positions on the filter plates 4, when water flows in the box body 1 from top to bottom, the water flows can fully contact and react with the adsorbents 5 with higher frequency and different positions, so that the multi-stage antimony removal can be carried out on the wastewater, the antimony removal efficiency of the wastewater is improved, and meanwhile, the filter plates 4 can intercept impurities in the wastewater, so that the treatment effect of the wastewater after passing through the box body 1 is further improved; when the waste water is subjected to antimony removal treatment, the motor 8 drives the inner net sleeve 6 and the outer net sleeve 7 to rotate, so that the adsorbent 5 in the inner cavity rotates and rolls in the waste water, the contact reaction effect of the adsorbent 5 and the waste water is further improved, meanwhile, when the outer net sleeve 7 rotates, the outer net sleeve 7 can also rotate intercepted impurities to the side wall of the box body 1, and under the limit blocking of the inner wall of the box body 1, the impurities are collected in the included angle between the box body 1 and the side wall of the outer jacket in a concentrated manner, thereby the self-cleaning effect on the filter plate 4 can be achieved, and the blocking condition of the filter plate 4 is reduced; when the adsorbent 5 between the arc-shaped net 10 and the inner net sleeve 6 needs to be replaced due to long-time work, the arc-shaped net 10 is only required to be rotated to the position opposite to the material-changing groove 11, the material-changing groove 11 is opened by rotating the baffle 12, the adsorbent 5 in the arc-shaped net 10 flows out under the action of the arc-shaped surface of the guide block 13 by detaching the end part of the arc-shaped net 10, meanwhile, the unused adsorbent 5 is added between the arc-shaped net 10 and the inner net sleeve 6 again, and the adsorbent 5 is limited after the arc-shaped plate is rotatably installed, so that the adsorbent 5 in the box 1 can be replaced conveniently and rapidly; by setting the position of the rotating connecting end of the arc-shaped net 10, when the arc-shaped net 10 moves to the position of the material changing groove 11, the rotating point of the arc-shaped net 10 is positioned at the position of the bottom baffle 12 of the two baffles 12, at the moment, the arc-shaped net 10 is opened, a new adsorbent 5 is placed at the position of the arc-shaped net 10, at the moment, when the arc-shaped net 10 is loosened, the arc-shaped net 10 can automatically rotate and reset under the action of a torsion spring, and the adsorbent 5 can be automatically transported into a cavity between the arc-shaped net 10 and the inner net sleeve 6, so that the replacement of the adsorbent 5 is more convenient; when more impurities in the included angle between the inner wall of the box body 1 and the arc-shaped sleeve need to be cleaned, the impurities at the position can be conveniently recovered only by opening the opening and closing door 15 at the position of the discharge groove 14; when the above-mentioned discharge groove 14 is opened and impurity is recovered, in order to reduce the waste water in the interior of the box body 1 and flow out of the polluted environment, the waste water in the box body 1 needs to be discharged in advance, at this moment, by arranging a plugging structure at the discharge groove 14, when the impurity is required to be recovered, the push rod 16 drives the plugging plate 17 and the sliding sleeve 18 to move downwards until the sliding plate 19 moves to the arc-shaped net 10, and the conical body is pricked into the net mouth of the arc-shaped net 10, and then the motor 8 drives the arc-shaped net 10 to rotate anticlockwise, so that the arc-shaped net 10 can drive the sliding plate 19 to synchronously move through the matched conical body until the sliding plate 19 moves to the position which is attached to the inner wall of the box body 1, at this moment, the sliding plate 19, the plugging plate 17 and the inner wall of the box body 1 can form a closed cavity, so that when the impurity in the cavity is cleaned and discharged, the waste water in the box body 1 can not flow out simultaneously, and the box body 1 does not need to be emptied when the impurity is recovered, and the impurity is further improved in convenience when the impurity is recovered; the sliding plate 19 (which can be made of deformable metal strips) can move to the concave part 22 under the cooperation of the arc-shaped net 10 and the conical body, and at the moment, the water pressure in the box body 1 can apply a certain pressure to the sliding plate 19, so that the end part of the sliding plate 19 can be pressed against the side wall of the concave part 22 forcefully, and the situation that the waste water in the box body 1 leaks from the position between the sliding plate 19 and the box body 1 when impurities are discharged is reduced; through setting up spacing 24 in toper piece 21 department, make toper piece 21 can only anticlockwise rotate, and can't clockwise turn, make toper piece 21 behind inserting the net gape of arc net 10, can move under the drive of net gape, when slide 19 moves to the position nearer to magnetism piece 23, magnetism piece 23 can attract slide 19, make slide 19 can cooperate with depressed part 22 more quick high-efficient, simultaneously toper piece 21 can anticlockwise swing under the effect of arc net 10 net gape, thereby can slide for arc net 10, make the motion of slide 19 go on smoothly; when the sliding plate 19 slides in the sliding sleeve 18 under the adsorption of the magnetic block 23, the sliding sleeve 18 can exhaust air to the sliding groove through the air pipe 28 along with the increase of the space in the sliding sleeve 18, so that the thimble 26 is retracted under the action of air pressure in the sliding groove, the thimble 26 is pulled out of the net mouth of the arc-shaped net 10, and the resistance of the sliding plate 19 and the arc-shaped net 10 during relative movement is reduced.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, and that the foregoing embodiments and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, and these changes and modifications fall within the scope of the invention as hereinafter claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The high-efficiency antimony-removing treatment equipment for the printing and dyeing wastewater comprises a box body (1), wherein a water inlet pipe (2) and a water outlet pipe (3) are respectively arranged at the upper end and the lower end of the box body (1); the method is characterized in that: a plurality of groups of filter plates (4) are arranged in the box body (1) from top to bottom, the filter plates (4) are respectively contacted with the inner wall of the box body (1), and an adsorbent (5) capable of removing antimony is arranged on the filter plates (4);
the filter plate (4) is arranged into a cylinder shape, the filter plate (4) consists of an inner net sleeve (6) and an outer net sleeve (7), a gap is formed between the inner net sleeve (6) and the outer net sleeve (7), the adsorbent (5) is filled between the inner net sleeve (6) and the outer net sleeve (7), a motor (8) is arranged on the outer wall of the box body (1) corresponding to the middle part of one end of the outer net sleeve (7), and the conveying end of the motor (8) is connected with the end faces of the outer net sleeve (7) and the inner net sleeve (6) at the corresponding positions through a rotating shaft;
a discharge groove (14) is formed in the position, corresponding to the top end of the topmost outer net sleeve (7), of the box body (1), the discharge groove (14) is arranged on one side, where impurities are collected, of the outer net sleeve (7), the bottom end of the discharge groove (14) is flush with a plane where the central shaft of the arc-shaped net (10) is located, and an opening and closing door (15) is rotatably connected to the discharge groove (14);
install push rod (16) on box (1) inner wall that discharge groove (14) top corresponds, push rod (16) bottom is connected with shutoff board (17) of L shape, shutoff board (17) bottom is connected with curved sliding sleeve (18), sliding sleeve (18) bottom inside sliding connection has curved slide (19), be connected with elastic component (20) between slide (19) and the sliding sleeve (18) inner, there is the clearance between the inner wall of free end and one side box (1) of slide (19), the shape phase-match of slide (18) and slide (19) and the shape of arc net (10), the one side that slide (19) are close to arc net (10) is connected with a plurality of toper pieces (21).
2. The treatment device for efficiently removing antimony from printing and dyeing wastewater according to claim 1, wherein the treatment device comprises: the novel inner net comprises an inner net sleeve (6), a set of annular uniformly distributed supporting plates (9) are connected to the outer ring side wall of the inner net sleeve (6), an outer net sleeve (7) is composed of a set of annular uniformly distributed arc-shaped nets (10), one end of each arc-shaped net (10) is connected with the free end of each supporting plate (9) in a rotating mode, the other end of each arc-shaped net (10) is connected with the end of the corresponding other supporting plate (9), a material changing groove (11) is formed in a box body (1) corresponding to one side of the bottom of the inner net sleeve (6), a baffle (12) is connected to the inner side of the material changing groove (11) in a rotating mode, a guide block (13) is connected to the inner wall of the corresponding box body (1) corresponding to one side of the bottom of the material changing groove (11), and one face, close to the arc-shaped net (10), of the guide block (13) is set to be an arc-shaped face which is attached to the arc-shaped net (10).
3. The treatment device for efficiently removing antimony from printing and dyeing wastewater according to claim 2, wherein: the rotating connection end of the arc-shaped net (10) is rotationally connected with the corresponding bottom supporting plate (9) through a torsion spring.
4. The treatment device for efficiently removing antimony from printing and dyeing wastewater according to claim 1, wherein the treatment device comprises: the inner side of the bottom surface of the discharge groove (14) is provided with a concave part (22), and the sliding plate (19) can elastically deform when being pressed.
5. The treatment equipment for efficiently removing antimony from printing and dyeing wastewater according to claim 4, wherein: the magnetic block (23) capable of attracting the sliding plate (19) is arranged in the concave part (22), the conical block (21) is rotationally connected with the side wall of the sliding plate (19) through a torsion spring, and a limit strip (24) is connected on the sliding plate (19) corresponding to one side of the bottom end of the conical block (21).
6. The treatment equipment for efficiently removing antimony from printing and dyeing wastewater according to claim 5, wherein the treatment equipment comprises: the conical block (21) consists of a movable seat (25) and a thimble (26), the movable seat (25) is rotationally connected with the side wall of the sliding plate (19) through a torsion spring, a chute is formed in one end, close to the thimble (26), of the movable seat (25, one end, close to the movable seat (25), of the thimble (26) is located in the chute and is slidingly connected with the chute, an elastomer (27) is connected between the thimble (26) and the inner end of the chute, and the chute is communicated with the inner end of the sliding sleeve (18) through an air pipe (28).
7. An efficient antimony removal process for printing and dyeing wastewater, which adopts the treatment equipment as set forth in any one of claims 1 to 6, and is characterized in that: the process comprises the following steps:
s1: firstly, respectively installing the adsorbents (5) on the filter plates (4) at different positions in the box body (1), and uniformly distributing the adsorbents on all positions on the filter plates (4);
s2: the printing and dyeing wastewater to be treated is pretreated in advance by a three-stage sedimentation tank, and then the treated wastewater is pumped into a box body (1) from a water inlet pipe (2) by a water pump;
s3: after flowing from top to bottom, the wastewater in the box body (1) is antimony-removed by the adsorbent (5) on the filter plate (4), and then the treated wastewater is discharged by the water outlet pipe (3) at the bottom end of the box body (1).
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