CN113429056A

CN113429056A - Chemical wastewater harmless treatment system and treatment method

Info

Publication number: CN113429056A
Application number: CN202110865442.2A
Authority: CN
Inventors: 王彦勇
Original assignee: Hubei Junhe Yida Environmental Engineering Co ltd
Current assignee: Hubei Junhe Yida Environmental Engineering Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-09-24

Abstract

The invention relates to the technical field of chemical wastewater, in particular to a chemical wastewater harmless treatment system and a treatment method, the chemical wastewater harmless treatment system comprises a bottom rack, a support frame, a filtering mechanism, a communicating pipe and a secondary treatment mechanism, wherein a rotating rocker is matched with a fixed pulley through a traction rope to drive a collecting plate to upwards lift filtered impurities, workers are not required to enter the equipment to clean the impurities, in the stimulation treatment mechanism, a rotating blade is matched with a killing medicine through a cleaning net to clean the chemical wastewater again, in a cleaning branch chain, the cleaning rack is matched with the cleaning plate through a tensioning spring rod to drive a brush to clean the impurities on the filtering net, and the filtering efficiency of the chemical wastewater is prevented from being influenced by the blockage of the filtering net due to the impurities.

Description

Chemical wastewater harmless treatment system and treatment method

Technical Field

The invention relates to the technical field of chemical wastewater, in particular to a chemical wastewater harmless treatment system and a chemical wastewater harmless treatment method.

Background

Chemical wastewater is the purified water, the original physical property or chemical property is changed after the purified water is used, the purified water becomes wastewater containing different kinds of impurities, the chemical wastewater comprises process wastewater, cooling water, waste gas washing water, equipment, site washing water and other wastewater discharged in chemical production, and the wastewater can cause pollution of different properties and different degrees of water bodies if the wastewater is not discharged through treatment, so that the health of human beings is harmed, and the production of industry and agriculture is influenced.

At present, the following problems exist in the treatment process of chemical wastewater: a, in the treatment process of traditional chemical wastewater, impurities with large diameters exist in the traditional chemical wastewater, so that the chemical wastewater needs to be filtered in the treatment process, the filtered impurities generally need to enter equipment manually and be taken out, gas components in the equipment are unstable, the operating risk coefficient of workers is high, and casualties are easily caused; b because the debris diameter variation in inside of chemical wastewater, only carry out single filtration processing in traditional chemical wastewater filtering process, the inside debris that still remain of chemical wastewater influences the processing of killing of follow-up chemical wastewater, and the inside debris of chemical wastewater can cause the jam to the filtration equipment is inside simultaneously, influences the filtration efficiency of chemical wastewater.

Disclosure of Invention

In order to solve the problems, the invention adopts the following technical scheme: the utility model provides a chemical industry waste water innocent treatment system, includes bottom frame, support frame, filtering mechanism, communicating pipe and secondary processing mechanism, bottom frame up end left side install the support frame, install filtering mechanism on the support frame, bottom frame up end just is located the right side of support frame and installs secondary processing mechanism, link up between filtering mechanism and the secondary processing mechanism and install communicating pipe.

The filtering mechanism comprises a filtering frame, a guide plate, a filter screen, a cleaning branched chain, a rocker, a fixed pulley, a traction rope and a collecting plate, wherein the filtering frame is arranged at the upper end of a support frame, an outlet is arranged at the lower side of the right end face of the filtering frame and is connected with a communicating pipe, the filter plate is upwards arranged on the inner wall of the filtering frame in a left-to-right inclined manner, the filter screen is arranged in the filter plate, the guide plate is arranged in the filtering frame and is positioned right above the filter plate, the guide plate is downwards arranged in the filtering frame in a left-to-right inclined manner, the right end of the guide plate is positioned above the left side of the filter plate, the cleaning branched chain is arranged in the filtering frame and is positioned above the filter plate, the collecting plate is arranged on the left side of the filter plate at the lower end face in the filtering frame, the fixed pulley is arranged on the upper end face on the left side of the filtering frame, and the rocker is rotatably arranged on the outer wall on the left side of the filtering frame, the front and back of the fixed pulley are symmetrically provided with a traction rope, one end of the traction rope is wound on the rocker, and the other end of the traction rope is installed on the collecting plate.

Preferably, secondary processing mechanism include the apron, handle the frame, the rotating electrical machines, the live-rollers, rotating vane, clean net and sealing plug, wherein the processing frame be cylindrical structure, handle the frame and install at bottom frame up end, handle frame left side wall top and seted up the import, and the import is connected with communicating pipe, the apron is installed and is being handled frame up end, rotating electrical machines is installed through the motor cabinet to the terminal surface under the apron, the live-rollers is installed to rotating electrical machines output shaft lower extreme, evenly be provided with rotating vane along its circumference on the live-rollers lateral wall, the last clean net that is provided with of rotating vane, and the sealing plug has been seted up with rotating vane junction in clean net top, handle frame right side wall below and seted up the waste liquid mouth, waste liquid mouth inside joint has.

Preferably, the cleaning branched chain comprises an electric sliding block, a cleaning frame, a tension spring rod, a cleaning plate and a brush, wherein the inside of the filter frame is provided with a sliding groove which inclines upwards from left to right, an electric slide block is arranged in the sliding groove in a sliding way, a cleaning frame is arranged between the electric slide blocks, tensioning spring rods are symmetrically arranged in front of and behind the lower end surface of the cleaning frame, a cleaning plate is arranged at the lower end of the tensioning spring rod, a brush is arranged at the lower end of the cleaning plate, when the filter frame works, the electric sliding block starts to drive the cleaning rack to move left and right in a reciprocating mode, the tensioning spring rod and the cleaning plate are matched with each other in the reciprocating process of the cleaning rack to drive the brush to clean sundries on the filter screen, the filter screen meshes are prevented from being blocked by the sundries, the filter effect of the filter screen is influenced, and the tensioning spring rod is used for ensuring that the brush is always supported on the filter screen through the cleaning plate.

Preferably, the communicating pipe is of an S-shaped structure, the heating box is arranged on the upper end face of the bottom rack, the communicating pipe penetrates through the heating box, a heating plate is arranged in the heating box, the upper end surface of the heating box is provided with a water inlet, the upper end surface of the cover plate is provided with a through hole, the upper end of the through hole is provided with a treatment box, the heating box can be used for heating chemical wastewater, harmful gas dissolved in the chemical wastewater is evaporated and discharged, the heating plate heats the water in the heating box and then can carry out water bath heating treatment on the chemical wastewater in the communicating pipe, so that the chemical wastewater is heated more uniformly and has better heating effect, wherein the communicating pipe is arranged into an S-shaped structure, which can prolong the heating path of the communicating pipe, further prolong the heating time of the chemical wastewater in the communicating pipe, so that the chemical wastewater is heated more fully, and the harmful gas in the chemical wastewater is discharged more thoroughly.

Preferably, the filter frame and be located export top and seted up a groove and No. two grooves from the left hand right side in proper order, the inslot portion slides and is provided with the baffle, No. two inslots slides and is provided with the baffle, be provided with the grid on the baffle, grid internally mounted has clean sponge, the inside clean sponge that is provided with of baffle, can clear up the chemical wastewater after filtering once more, filter the less debris of chemical wastewater inside diameter once more, the use of baffle can be when the clean sponge is changed to the baffle, carry out the separation to chemical wastewater and handle, avoid chemical wastewater to take place to leak when changing clean sponge, influence the filter effect of chemical wastewater.

Preferably, the export be round platform type cavity structures, and round platform type cavity cross-sectional diameter reduces from the left hand right hand in proper order, the probability of backward flow takes place for greatly reduced chemical industry waste water, avoids simultaneously communicating the inside chemical industry waste water in the harmful gas take place to get into again and crosses the filter frame, causes the pollution of environment.

Preferably, the periphery of the upper end face of the collecting plate is provided with the blocking plate which inclines inwards, and the blocking plate is arranged to prevent sundries of the collecting plate from falling off and affecting the sundry collecting effect.

Preferably, the chemical wastewater harmless treatment system comprises the following steps:

the first step is as follows: and (3) system adjustment: regulating each mechanism in the system to a working state;

the second step is that: and (3) filtering treatment: pouring chemical wastewater into a filter frame through the existing equipment, and filtering the chemical wastewater through a filter screen;

the third step: secondary treatment: the filtered chemical wastewater enters the treatment frame through the communicating pipe, then the sterilizing and killing medicines are poured into the cleaning net, and the chemical wastewater is sterilized and killed through the mutual matching of the rotating blades and the cleaning net;

the fourth step: collecting and treating: collecting and treating the filtered and sterilized chemical wastewater, and then carrying out the next treatment.

The invention has the beneficial effects that: 1. according to the invention, the rotating rocker drives the collecting plate to upwards lift filtered impurities through the mutual cooperation of the traction rope and the fixed pulley, so that workers do not need to enter the equipment to perform impurity cleaning work, the rotating blades are matched with disinfection and killing medicines through the cleaning net in the secondary treatment mechanism to clean chemical wastewater again, and the cleaning rack drives the hairbrush to clean the impurities on the filter screen through the mutual cooperation of the tensioning spring rod and the cleaning plate in the cleaning branch chain, so that the filter efficiency of the chemical wastewater is prevented from being influenced by the blockage of the filter screen due to the impurities.

2. In the filtering mechanism designed by the invention, the rotating rocker drives the collecting plate to upwards pull and lift filtered impurities through the mutual matching of the traction rope and the fixed pulley, so that the problem that workers enter the equipment to clean the impurities is avoided, and harmful gas generated by chemical wastewater in the filtering plate frame is prevented from harming the personal safety of the workers.

3. In the secondary treatment mechanism designed by the invention, the rotating blades are matched with the disinfectant through the cleaning net to clean the chemical wastewater again, meanwhile, the cleaning sponge on the baffle plate can perform secondary filtration treatment on impurities with smaller inner diameters of the filtered chemical wastewater, the chemical wastewater in the process can be heated through the heating box, so that harmful gases in the chemical wastewater are volatilized, and then the harmful gases are collected through the organic solvent in the treatment box.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a partial cross-sectional view taken at a-a of fig. 3 in accordance with the present invention.

Fig. 5 is a partial cross-sectional view taken at B-B of fig. 3 in accordance with the present invention.

FIG. 6 is a schematic view of the internal installation structure between the solid processing box and the cover plate according to the present invention.

FIG. 7 is a schematic view of the internal perspective of the secondary processing mechanism of the present invention.

FIG. 8 is a schematic perspective view of the assembly of the baffle and the cleaning sponge of the present invention.

FIG. 9 is a schematic diagram of the collection plate structure of the present invention.

FIG. 10 is a flow chart of the harmless treatment process of chemical wastewater according to the invention.

In the figure: 1. a bottom chassis; 11. a heating box; 12. a water inlet; 13. heating plates; 14. a treatment tank; 2. a support frame; 3. a filtering mechanism; 31. a filter frame; 311. a first groove; 312. a second groove; 313. a partition plate; 314. a baffle plate; 315. cleaning the sponge; 32. a guide plate; 33. a filter plate; 34. a filter screen; 35. cleaning the branched chain; 351. an electric slider; 352. cleaning the frame; 353. tensioning the spring rod; 354. cleaning the board; 355. a brush; 36. a rocker; 37. a fixed pulley; 38. a hauling rope; 39. a collection plate; 391. a damming board; 4. a communicating pipe; 5. a secondary processing mechanism; 51. a cover plate; 52. a processing frame; 53. a rotating electric machine; 54. a rotating roller; 55. a rotor blade; 56. cleaning the net; 57. a sealing plug; a. an outlet; b. an inlet; c. and (4) feeding a material inlet.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

Referring to fig. 1, a chemical wastewater innocent treatment system, including bottom frame 1, support frame 2, filter mechanism 3, communicating pipe 4 and

secondary treatment mechanism

5, 1 up end left side of bottom frame install support frame 2, install filter mechanism 3 on the

support frame

2, 1 up end of bottom frame just is located the right side of support frame 2 and installs secondary treatment mechanism 5, link up between filter mechanism 3 and the secondary treatment mechanism 5 and install communicating pipe 4.

Referring to fig. 4, the filtering mechanism 3 includes a filtering frame 31, a guiding plate 32, a filtering plate 33, a filtering net 34, a cleaning branched chain 35, a rocker 36, a fixed pulley 37, a pulling rope 38 and a collecting plate 39, wherein the filtering frame 31 is installed at the upper end of the supporting frame 2, an outlet b is opened at the lower side of the right end face of the filtering frame 31, the outlet b is connected with the communicating pipe 4, the filtering plate 33 is installed on the inner wall of the filtering frame 31 from left to right in an upward inclined manner, the filtering net 34 is installed inside the filtering plate 33, the guiding plate 32 is installed inside the filtering frame 31 and right above the filtering plate 33, the guiding plate 32 is installed in a downward inclined manner from left to right, the right end of the guiding plate 32 is located above the left side of the filtering plate 33, the cleaning branched chain 35 is installed inside the filtering frame 31 above the filtering plate 33, the collecting plate 39 is installed at the lower end face inside the filtering frame 31 and left side of the filtering plate 33, and the collecting plate 39 is slidably installed on the inner wall at the left side of the filtering frame 31, the fixed pulley 37 is installed at the upper end surface of the left side of the filter frame 31, the rocker 36 is rotatably installed on the outer wall of the left side of the filter frame 31, the fixed pulley 37 is symmetrically provided with a traction rope 38 in front and back, one end of the traction rope 38 is wound on the rocker 36, and the other end of the traction rope 38 is installed on the collecting plate 39.

Referring to fig. 1, the secondary processing mechanism 5 includes a cover plate 51, a processing frame 52, a rotary motor 53, a rotary roller 54, a rotary blade 55, a cleaning net 56 and a sealing plug 57, wherein the processing frame 52 is a cylindrical structure, the processing frame 52 is arranged on the upper end surface of the bottom frame 1, an inlet a is arranged above the left side wall of the processing frame 52, and the inlet a is connected with the communicating pipe 4, the cover plate 51 is arranged on the upper end surface of the processing frame 52, the lower end surface of the cover plate 51 is provided with a rotating motor 53 through a motor base, the lower end of an output shaft of the rotating motor 53 is provided with a rotating roller 54, the side wall of the rotating roller 54 is uniformly provided with rotating blades 55 along the circumferential direction thereof, the rotating blades 55 are provided with a cleaning net 56, and the feed inlet c is opened with rotating vane 55 junction above clean net 56, handles frame 52 right side wall below and has seted up the waste liquid mouth, and the inside joint of waste liquid mouth has sealing plug 57.

When the device works specifically, chemical wastewater is poured into the filter frame 31 through the guide plate 32 by the existing equipment, the guide plate 32 can guide the chemical wastewater, the chemical wastewater is prevented from sputtering everywhere and affecting the environmental sanitation, the chemical wastewater falls on the filter plate 33 through the guide plate 32, the filter plate 33 is matched with the filter screen 34 to filter the chemical wastewater, filtered impurities fall on the collecting plate 39, after the chemical wastewater is filtered, the cleaning branched chain 35 is started to sweep the impurities on the filter plate 33 and the filter screen 34, the rotating rocker 36 is matched with the traction rope 38 through the fixed pulley 37 to drive the collecting plate 39 to move upwards, the impurities can be conveyed to the upper part of the filter frame 31 in the upward moving process of the collecting plate 39, the impurities can be collected by manpower or the existing equipment, and the danger of collecting the impurities when workers enter the filter frame 31 is reduced, the problem of harmful gas in the filter frame 31 causes the harm to the workman's body is avoided, chemical wastewater after the filtration gets into through communicating pipe 4 and handles frame 52, the manual work pours the medicine of killing into in to clean net 56 through feed inlet c, when chemical wastewater gets into completely and handles frame 52, rotating electrical machines 53 starts to drive rotor roll 54 and rotates, rotor roll 54 rotates in-process and drives rotor blade 55 and rotate, rotor blade 55 rotates in-process and carries out the processing of killing through clean net 56 and the medicine of killing mutually supporting to chemical wastewater, handle the inside harmful debris of chemical wastewater, after killing the processing, open sealing plug 57 chemical wastewater and outwards discharge through the waste liquid mouth, carry out processing work on next step again.

Refer to fig. 4, filter frame 31 and be located export b top and seted up a groove 311 and No. two grooves 312 from the left hand right side in proper order, the inside slip of a groove 311 is provided with baffle 313, the inside slip of No. two grooves 312 is provided with baffle 314, be provided with the grid on the baffle 314, grid internally mounted has clean sponge 315, the inside clean sponge 315 that is provided with of baffle 314, can clear up the chemical wastewater after filtering once more, filter the less debris of the inside diameter of chemical wastewater once more, baffle 313's use can be when baffle 314 changes clean sponge 315, carry out the separation to chemical wastewater and handle, avoid chemical wastewater to take place to leak when changing clean sponge 315, influence the filter effect of chemical wastewater.

With reference to fig. 4, the cleaning branched chain 35 includes an electric slider 351, a cleaning frame 352, a tensioning spring rod 353, a cleaning plate 354 and a brush 355, wherein a sliding slot is formed in the filter frame 31 in an upward direction from left to right, the electric slider 351 is slidably disposed in the sliding slot, the cleaning frame 352 is disposed between the electric sliders 351, the tensioning spring rod 353 is symmetrically disposed in front of and behind the lower end surface of the cleaning frame 352, the cleaning plate 354 is disposed at the lower end of the tensioning spring rod 353, and the brush 355 is disposed at the lower end of the cleaning plate 354, when the cleaning machine works, the electric slider 351 is started to drive the cleaning frame 352 to reciprocate left and right, the brush 355 is driven by the tensioning spring rod 353 and the cleaning plate 354 to clean the impurities on the filter screen 34 during the reciprocating movement of the cleaning frame 352 left and right, so as to prevent the impurities from blocking the meshes 34 of the filter screen and affecting the filtering effect of the filter screen 34, the use of tension spring 353 therein ensures that the brush 355 is always held against the filter screen 34 by the sweeper plate 354.

Referring to fig. 9, the blocking plate 391 inclined inward is disposed around the upper end surface of the collecting plate 39, and the blocking plate 391 is disposed to prevent the sundries of the collecting plate 39 from falling off and affecting the sundries collecting effect.

Referring to fig. 5 and 6, the communicating pipe 4 is of an S-shaped structure, the heating box 11 is installed on the upper end surface of the bottom frame 1, the communicating pipe 4 passes through the inside of the heating box 11, the heating plate 13 is installed inside the heating box 11, the water inlet 12 is formed on the upper end surface of the heating box 11, the through hole is formed on the upper end surface of the cover plate 51, the treatment box 14 is installed on the upper end of the through hole, water is added into the heating box 11 through the water inlet 12, the chemical wastewater can be heated by the heating box 11, harmful gas dissolved in the chemical wastewater can be evaporated and discharged, the chemical wastewater in the communicating pipe 4 can be heated by the heating plate 13 after the water in the heating box 11 is heated, so that the chemical wastewater is heated more uniformly, the heating effect is better, wherein the communicating pipe 4 is of an S-shaped structure to prolong the heating path of the communicating pipe 4, and further prolong the, so that the chemical wastewater is heated more fully, and the harmful gas in the chemical wastewater is discharged more thoroughly.

Referring to fig. 4, export b be round platform type cavity structures, and round platform type cavity cross-sectional diameter reduces from the left side to the right side in proper order, greatly reduced chemical industry waste water takes place the probability of backward flow, avoids simultaneously communicating in 4 inside chemical industry waste water harmful gas to take place to get into again and crosses filter frame 31, causes the pollution of environment.

Referring to fig. 10, in the process of harmless treatment of chemical wastewater by using the above harmless treatment system for chemical wastewater, the method comprises the following steps: the first step is as follows: and (3) system adjustment: regulating each mechanism in the system to a working state;

the second step is that: and (3) filtering treatment: pouring chemical wastewater into the filter frame 31 through the existing equipment, and filtering the chemical wastewater through the filter screen 34;

the third step: secondary treatment: the filtered chemical wastewater enters the treatment frame 52 through the communicating pipe 4, then the sterilizing and killing medicines are poured into the cleaning net 56, and the chemical wastewater is sterilized and killed through the mutual matching of the rotating blades 55 and the cleaning net 56;

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a chemical industry waste water innocent treatment system, includes bottom frame (1), support frame (2), filtering mechanism (3), communicating pipe (4) and secondary processing mechanism (5), its characterized in that: bottom frame (1) up end left side install support frame (2), install filtering mechanism (3) on support frame (2), secondary processing mechanism (5) are installed on the right side that bottom frame (1) up end just is located support frame (2), link up between filtering mechanism (3) and secondary processing mechanism (5) and install communicating pipe (4), wherein:

the filter mechanism (3) comprises a filter frame (31), a guide plate (32), a filter plate (33), a filter screen (34), a cleaning branched chain (35), a rocker (36), a fixed pulley (37), a traction rope (38) and a collecting plate (39), wherein the filter frame (31) is arranged at the upper end of the support frame (2), an outlet (b) is formed in the lower side of the right end face of the filter frame (31), the outlet (b) is connected with the communicating pipe (4), the filter plate (33) is upwards installed on the inner wall of the filter frame (31) in a left-right inclined manner, the filter screen (34) is installed inside the filter plate (33), the guide plate (32) is installed inside the filter frame (31) and is positioned right above the filter plate (33), the guide plate (32) is downwards arranged in a left-right inclined manner, the right end of the guide plate (32) is positioned above the left side of the filter plate (33), the cleaning branched chain (35) is arranged inside the filter frame (31) and is positioned above the filter plate (33), the filter frame (31) inside terminal surface down just is located filter (33) left side and is provided with collecting plate (39), and collecting plate (39) slide and set up on filter frame (31) left side inner wall, fixed pulley (37) are installed at filter frame (31) left side up end, rocker (36) rotate and install on filter frame (31) left side outer wall, the front and back symmetry is provided with haulage rope (38) on fixed pulley (37), haulage rope (38) one end winding is on rocker (36), haulage rope (38) other end is installed on collecting plate (39).

2. The chemical wastewater harmless treatment system according to claim 1, characterized in that: the secondary treatment mechanism (5) comprises a cover plate (51), a treatment frame (52), a rotating motor (53), a rotating roller (54), rotating blades (55), a cleaning net (56) and a sealing plug (57), wherein the treatment frame (52) is of a cylindrical structure, the treatment frame (52) is installed on the upper end face of the bottom rack (1), an inlet (a) is formed in the upper portion of the left side wall of the treatment frame (52) and connected with the communicating pipe (4), the cover plate (51) is installed on the upper end face of the treatment frame (52), the rotating motor (53) is installed on the lower end face of the cover plate (51) through a motor base, the rotating roller (54) is installed at the lower end of an output shaft of the rotating motor (53), the rotating blades (55) are uniformly arranged on the side wall of the rotating roller (54) along the circumferential direction, the cleaning net (56) is arranged on the rotating blades (55), and a feeding hole (c) is formed in the connecting position of the upper portion of the cleaning net (56) and the rotating blades (55), a waste liquid port is formed below the right side wall of the processing frame (52), and a sealing plug (57) is clamped inside the waste liquid port.

3. The chemical wastewater harmless treatment system according to claim 1, characterized in that: cleaning branch chain (35) including electronic slider (351), clean frame (352), tensioning spring rod (353), clean board (354) and brush (355), wherein filter frame (31) inside from the left side upwards seted up the sliding tray of inclining to the right side, the inside slip of sliding tray is provided with electronic slider (351), install between electronic slider (351) and clean frame (352), tensioning spring rod (353) are installed to the front and back symmetry of cleaning frame (352) lower terminal surface, tensioning spring rod (353) lower extreme is installed and is cleaned board (354), brush (355) are installed to cleaning board (354) lower extreme.

4. The chemical wastewater harmless treatment system according to claim 2, characterized in that: communicating pipe (4) be S type structure, heating cabinet (11) are installed to bottom frame (1) up end, and inside communicating pipe (4) passed heating cabinet (11), inside heating plate (13) were provided with in heating cabinet (11), and water inlet (12) have been seted up to heating cabinet (11) up end, the through-hole is seted up to apron (51) up end, processing case (14) are installed to the through-hole upper end.

5. The chemical wastewater harmless treatment system according to claim 1, characterized in that: filter frame (31) and be located export (b) top from the left side to the right side and seted up a groove (311) and No. two groove (312) in proper order, the inside slip in groove (311) is provided with baffle (313), the inside slip in groove (312) is provided with baffle (314) No. two, be provided with the grid on baffle (314), grid internally mounted has clean sponge (315).

6. The chemical wastewater harmless treatment system according to claim 1, characterized in that: the outlet (b) is of a round table type cavity structure, and the diameters of the cross sections of the round table type cavities are reduced from left to right in sequence.

7. The chemical wastewater harmless treatment system according to claim 1, characterized in that: the periphery of the upper end face of the collecting plate (39) is provided with an inward inclined blocking plate (391).

8. The chemical wastewater harmless treatment system according to claim 2, characterized in that: the chemical wastewater harmless treatment system is used for treating chemical wastewater, and comprises the following steps:

the second step is that: and (3) filtering treatment: pouring chemical wastewater into a filter frame (31) through the existing equipment, and filtering the chemical wastewater through a filter screen (34);

the third step: secondary treatment: the filtered chemical wastewater enters a treatment frame (52) through a communicating pipe (4), then a disinfection and sterilization medicine is poured into a cleaning net (56), and the chemical wastewater is disinfected and sterilized through the mutual matching of a rotating blade (55) and the cleaning net (56);