CN110803725A

CN110803725A - Environment-friendly sewage treatment process

Info

Publication number: CN110803725A
Application number: CN201811411483.9A
Authority: CN
Inventors: 王涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-08-05
Filing date: 2018-11-24
Publication date: 2020-02-18

Abstract

The invention discloses an environment-friendly sewage treatment mechanism which comprises a treatment box body, wherein a stirring cavity is arranged in the treatment box body, a stirring mechanism is arranged in the stirring cavity, a first cavity and a second cavity are arranged in the treatment box body on the upper side of the stirring cavity, the second cavity is positioned at the right side position of the first cavity, a chemical agent containing cavity is arranged in the treatment box body on the upper side of the second cavity, the bottom end of the chemical agent containing cavity is communicated with the top of the second cavity, a discharging groove is communicated between the second cavity and the stirring cavity, a switching sleeve is connected in the second cavity in a rotating and matching manner, a material storage cavity is arranged in the switching sleeve, and a bevel block is fixedly arranged on the bottom end wall of one side, deviating from a central line, of the material storage cavity; this device can conveniently be fast with chemical additive and improved the operational safety nature, simultaneously, can realize automatic control ration and put in chemical agent work, has improved work efficiency and sewage treatment's accurate nature greatly, prevents that excessive input from causing secondary pollution.

Description

Environment-friendly sewage treatment process

Technical Field

The invention relates to the technical field of environment-friendly equipment, in particular to an environment-friendly sewage treatment process.

Background

With the continuous improvement of the urbanization level in China, the construction of sewage treatment facilities is developed at a high speed, the application of the existing sewage treatment equipment plays an important role in sewage treatment, and great contribution is made to the realization of national emission reduction targets and water environment improvement, but the sewage treatment mode is still very severe at present. There are a large amount of toxic substances in current chemical industry waste water, these waste water need can discharge in the nature through handling, current industrial waste water is mostly through puting in chemical reagent and carry out the reaction and deposit and realize sewage treatment, current sewage treatment need stir after dropping in chemical reagent, current agitated vessel puts in chemical reagent step loaded down with trivial details, can not realize the accurate ration of automatic control, thereby industrial waste water's treatment effect and treatment quality have been reduced, and stir inefficiency moreover.

Disclosure of Invention

The invention aims to provide an environment-friendly sewage treatment process for overcoming the defects in the prior art.

The environment-friendly sewage treatment mechanism comprises a treatment box body, wherein a stirring cavity is arranged in the treatment box body, a stirring mechanism is arranged in the stirring cavity, a first cavity and a second cavity are arranged in the treatment box body on the upper side of the stirring cavity, the second cavity is positioned at the right side position of the first cavity, a chemical agent containing cavity is arranged in the treatment box body on the upper side of the second cavity, the bottom end of the chemical agent containing cavity is communicated with the top of the second cavity, a discharging groove is communicated between the second cavity and the stirring cavity, a switching sleeve is connected in the second cavity in a rotating and matching manner, a material storage cavity is arranged in the switching sleeve, an inclined surface block is fixedly arranged on the bottom end wall of the material storage cavity on one side deviating from a central line, a first open groove penetrating through the bottom end surface of the switching sleeve is arranged in the bottom end wall of the material storage cavity on one side far away from, a second open slot is arranged in the end wall of the top part of the storage cavity opposite to the top part of the first open slot, a first bevel gear is fixedly arranged on the outer wall of the adapter sleeve in the circumferential direction, a first rotating shaft which extends leftwards and rightwards is connected between the first cavity and the second cavity in a rotating fit manner, a first gear which extends into the first cavity is fixedly arranged at the tail end of the left side of the first rotating shaft, a second bevel gear which extends into the second cavity and is in power fit connection with the first bevel gear is fixedly arranged at the tail end of the right side of the first rotating shaft, a first rack which is in power fit connection with the first cavity is arranged in the first cavity at the rear side of the first gear, a first slide block is fixedly arranged at the left side end of the first rack, a second slide block is arranged in the first cavity at the left side of the first slide block, a second rack is fixedly arranged on the left side end surface of the first slide block, and a third rack is fixedly arranged on the, a second gear connected with the second rack and the third rack in a power fit manner is connected in the first cavity between the first slider and the second slider in a rotating fit manner, an adjusting screw rod which extends up and down is connected in the first slider in a screw fit manner, the top end of the adjusting screw rod is connected with a first motor fixedly embedded in the top end wall of the first cavity in a power fit manner, the bottom end of the first cavity is connected with the bottom end wall of the first cavity in a rotating fit manner, a first guide rod which extends up and down is connected in the second slider in a sliding fit manner, the upper end and the lower end of the first guide rod are respectively connected with the upper end wall and the lower end wall of the first cavity in a fixed fit manner, an inclined plane jacking chute is arranged in the top end surface on the right side of the second slider, and an embedding groove which is opposite to the inclined plane jacking chute is also arranged in the top end wall of the first, the embedding recess is located the left side relative position that the chemical agent holds the chamber, be equipped with hybrid drive mechanism in the embedding recess, the bottom of handling the box all is equipped with moving mechanism all around, moving mechanism include the top terminal with fixed block and the normal running fit connection setting that handle box bottom terminal surface fixed coordination is connected are in support frame in the fixed block bottom terminal surface, the support frame is kept away from fixed block one side normal running fit is connected with the removal gyro wheel to convenient removal and transport.

Further technical scheme, rabbling mechanism is including extending the setting from top to bottom stirring pivot in the stirring intracavity and solid inlay in the stirring driving motor in the end wall of stirring chamber bottom, the bottom of stirring pivot terminal with the terminal power fit in top of stirring driving motor is connected, the top of stirring pivot terminal with the top end wall normal running fit in the stirring intracavity is connected.

According to the technical scheme, the tail end of the top of the chemical agent containing cavity penetrates through the top end face of the processing box body and is communicated with the outside, and a protective cover body is arranged on the top end face of the processing box body, which is located on the upper side of the chemical agent containing cavity.

According to a further technical scheme, the hybrid driving mechanism comprises a sliding connection block which is arranged in the embedding groove in a sliding fit manner and extends downwards, and a second rotating shaft which is arranged between the embedding groove and the chemical agent containing cavity in a rotating fit manner, an inner key groove communicated with the embedding groove is arranged in the left end face of the second rotating shaft, the right end of the second rotating shaft extends into the chemical agent containing cavity and is connected with the right end wall of the chemical agent containing cavity in a rotating fit manner, a plurality of groups of mixing blades which are distributed equidistantly are circumferentially and fixedly arranged on the outer wall of the second rotating shaft in the chemical agent containing cavity, a second guide rod which extends leftwards and rightwards is connected in a sliding fit manner, the left end and the right end of the second guide rod are respectively connected with the left end wall and the right end wall of the embedding groove in a fixed fit manner, and an extension spring is arranged on the outer surface of the second guide, the left and right sides end of extension spring respectively with the left side end wall of embedding recess and sliding connection block's left side terminal surface fixed fit is connected, interior keyway is relative sliding connection block's right side terminal surface sets firmly the second motor, second motor right side end power is connected with stretches out outer key shaft outside sliding connection block's the right side terminal surface, sliding connection block's bottom end sets firmly stretches into in the inclined plane roof pressure spout and the inclined plane lug of roof pressure sliding fit connection with it.

According to the further technical scheme, a discharge hole communicated with the outside is formed in the end wall of the bottom of the stirring cavity on the right side of the stirring driving motor, and an electric control valve is fixedly arranged in the discharge hole.

Drawings

FIG. 1 is a schematic view of an external overall structure of an environmental protection sewage treatment mechanism according to the present invention;

FIG. 2 is a schematic view of the internal structure of an environmental protection sewage treatment mechanism according to the present invention;

fig. 3 is a schematic structural diagram of the distribution structure of the first rack and the first slider in the present invention.

Detailed Description

The present invention is described in detail below with reference to fig. 1-3.

Referring to fig. 1 to 3, an environment-friendly sewage treatment mechanism according to an embodiment of the present invention includes a treatment tank 6, a stirring chamber 61 is disposed in the treatment tank 6, a stirring mechanism is disposed in the stirring chamber 61, a first cavity 62 and a second cavity 63 are disposed in the treatment tank 6 on an upper side of the stirring chamber 61, the second cavity 63 is located at a right side position of the first cavity 62, a chemical agent chamber 64 is disposed in the treatment tank 6 on an upper side of the second cavity 63, a bottom end of the chemical agent chamber is communicated with a top of the second cavity 63, a discharge chute 616 is communicated between the second cavity 63 and the stirring chamber 61, a transfer sleeve 631 is rotatably and cooperatively connected in the second cavity 63, a storage chamber 639 is disposed in the transfer sleeve 631, a bevel block 633 is fixedly disposed on a bottom end wall of the storage chamber 639 on a side deviating from a center line, and a bottom end wall of the storage chamber 639 on a side far away from the bevel block 633 side is disposed in the storage chamber 63 631, a second open slot 635 is arranged in a top end wall of the material storage cavity 639 opposite to the top of the first open slot 632, a first bevel gear 634 is fixedly arranged on an outer wall of the adapter sleeve 631 in a circumferential direction, a first rotating shaft 637 extending left and right is connected between the first cavity 62 and the second cavity 63 in a rotating and fitting manner, a first gear 638 extending into the first cavity 62 is fixedly arranged at a left end of the first rotating shaft 637, a second bevel gear 636 extending into the second cavity 63 and connected with the first bevel gear 634 in a power fitting manner is fixedly arranged at a right end of the first rotating shaft 637, a first rack 629 connected with the first cavity 638 in a power fitting manner is arranged in the first cavity 62 at the rear side of the first gear 638, a first slider 626 is fixedly arranged at a left end of the first rack 629, a second slider 621 is arranged in the first cavity 62 at the left side of the first slider 626, a second rack 628 is fixedly arranged on the left end face of the first slider 626, a third rack 624 is fixedly arranged on the right end face of the second slider 621, a second gear 625 which is in power fit connection with the second rack 628 and the third rack 624 is connected in a rotating fit manner in the first cavity 62 between the first slider 626 and the second slider 621, an adjusting screw 627 which extends up and down is connected in a screw thread fit manner in the first slider 626, the top end of the adjusting screw 627 is in power fit connection with a first motor 620 which is fixedly embedded in the top end wall of the first cavity 62, the bottom end of the first cavity 62 is in rotating fit connection with the bottom end wall of the first cavity 62, a first guide rod 623 which extends up and down is connected in a sliding fit manner in the second slider 621, and the upper and lower ends of the first guide rod 623 are respectively in fixed fit connection with the upper and lower end walls of the first cavity 62, be located be equipped with inclined plane roof pressure spout 622 in the top terminal surface on second slider 621 right side, still be equipped with in the 62 top end walls of first cavity with the relative embedding recess 65 that sets up of inclined plane roof pressure spout 622, embedding recess 65 is located the left side relative position that the chemical holds chamber 64, be equipped with hybrid drive mechanism in the embedding recess 65, the bottom of handling box 6 all is equipped with moving mechanism 66 all around, moving mechanism 66 include the top terminal with fixed block 661 and the normal running fit that handles 6 bottom terminal surface fixed coordination of box are connected and are connected the setting and be in support frame 662 in the fixed block 661 bottom terminal surface, support frame 662 is kept away from fixed block 661 one side normal running fit is connected with removal gyro wheel 633 to convenient removal and transport.

Advantageously or exemplarily, the stirring mechanism includes a stirring rotating shaft 611 extending up and down in the stirring chamber 61 and a stirring driving motor 613 fixedly embedded in the bottom end wall of the stirring chamber 61, the bottom end of the stirring rotating shaft 611 is connected with the top end of the stirring driving motor 613 in a power fit manner, and the top end of the stirring rotating shaft 611 is connected with the top end wall of the stirring chamber 61 in a rotation fit manner, so as to realize the stirring operation of automatically controlling the sewage treatment.

Beneficially or exemplarily, the top end of the chemical agent cavity 64 penetrates through the top end surface of the processing box 6 and is communicated with the outside, and a protective cover 643 is arranged on the top end surface of the processing box 6 on the upper side of the chemical agent cavity 64, so as to facilitate the rapid feeding work and the direction foreign matter to fall into the chemical agent cavity 64.

Beneficially or exemplarily, the hybrid driving mechanism includes a sliding connection block 651 disposed in the embedding groove 65 in a sliding fit manner and extending downward, and a second rotation shaft 641 disposed between the embedding groove 65 and the chemical agent containing cavity 64 in a rotation fit manner, an inner key slot disposed in a left end surface of the second rotation shaft 641 and communicated with the embedding groove 65 is disposed in the second rotation shaft 641, a right end of the second rotation shaft 641 extends into the chemical agent containing cavity 64 and is connected with a right end wall of the chemical agent containing cavity 64 in a rotation fit manner, a plurality of sets of mixing blades 642 equidistantly arranged are circumferentially and fixedly disposed on an outer wall of the second rotation shaft 641 in the chemical agent containing cavity 64, a second guide rod 654 extending left and right is slidably and cooperatively connected in the sliding connection block 651, and left and right ends of the second guide rod 654 are fixedly and cooperatively connected with left and right end walls of the embedding groove 65 respectively, an extension spring 655 is arranged on the outer surface of the second guide rod 654 on the left side of the sliding connection block 651 in a surrounding manner, the tail ends of the left side and the right side of the extension spring 655 are respectively fixedly matched and connected with the left end wall of the embedding groove 65 and the left end surface of the sliding connection block 651, the right end surface of the sliding connection block 651, opposite to the inner key groove, of the sliding connection block 651 is internally and fixedly provided with a second motor 652, the tail end of the right side of the second motor 652 is in power connection with an outer key shaft 653 extending out of the right end surface of the sliding connection block 651, and the tail end of the bottom of the sliding connection block 651 is fixedly provided with an inclined plane bump 656 extending into the inclined plane jacking sliding groove 622 and in jacking sliding matching and connecting with the inclined plane bump, so that the power connection work of the second rotating shaft is.

Advantageously or exemplarily, a discharge hole 614 arranged to communicate with the outside is provided in the bottom end wall of the stirring chamber 61 on the right side of the stirring driving motor 613, and an electrically controlled valve 615 is fixedly provided in the discharge hole 614, so as to facilitate the rapid water discharge operation.

In the initial state, the second slider 621 is located at the topmost position in the first cavity 62, and at this time, the third rack 624 on the second slider 621 drives the first slider 626 on the second rack 628 to slide to the bottommost position in the first cavity 62 through the second gear 625, meanwhile, the top section of the first rack 629 is in power connection with the first gear 638, at this time, the bottom end of the first open groove 632 is in overlapped communication with the top end of the blanking groove 616, meanwhile, the second open groove 635 is far away from the bottom end of the chemical agent containing cavity to the maximum extent, at this time, the inclined projection 656 is subjected to the pressing force of the inclined surface pressing the sliding groove 622, so that the inclined projection 656 drives the sliding connection block 651 to slide to the rightmost position in the embedding groove 65 against the tensile force of the tension spring 655, and at this time, the outer key shaft 653 at the right side end of the sliding connection block 651 completely extends into the spline groove and is in power fit connection with the spline groove;

when the device needs to work, the second motor 652 controls the outer key shaft 653 to drive the second rotating shaft 641 to rotate, the second rotating shaft 641 drives the mixing blade 642 in the chemical agent containing cavity 64 to rotate, so as to achieve the mixing and stirring work of the chemical agents, the first motor 620 controls the adjusting screw 627 to rotate, the adjusting screw 627 drives the first slider 626 to slide to the topmost position in the first cavity 62, at this time, the second rack 628 on the first slider 626 drives the third rack 624 and the second slider 621 to slide to the bottommost position in the first cavity 62 through the second gear 625, at this time, the second slider 621 drives the inclined surface to press the sliding groove 622 to be furthest away from the embedding groove 65, and the sliding connection block 651 is driven by the outer key shaft 653 at the right side to be furthest away from the spline groove at the left side in the embedding groove 65 by the greatest tensile force of the tension spring 655, meanwhile, the first slide block 626 drives the first rack 629 to slide to the topmost position of the first cavity 62, and the bottom section of the first rack 629 is in power connection with the first gear 638, at this time, the first gear 638 drives the second bevel gear 636 to rotate, the second bevel gear 636 drives the first bevel gear 634 and the adapter sleeve 631 to rotate, so that the adapter sleeve 631 drives the top end of the second slot 635 to be in overlapped communication with the bottom end of the chemical agent cavity 64, at the same time, the first slot 632 is furthest away from the feeding groove 616, at this time, the chemical agent in the chemical agent cavity 64 flows into the storage cavity 639 through the second slot 635, then the first motor 620 controls the adjusting screw 627 to rotate until the adapter sleeve 631 returns to the initial position, and then the chemical agent in the storage cavity 639 flows into the feeding groove 616 and the stirring cavity 61 through the first slot 632, and then the stirring driving motor 613 is controlled to drive the stirring rotating shaft 611 to rotate.

The invention has the beneficial effects that: the invention has simple structure and convenient operation, the adjusting screw rod is controlled by the first motor to rotate, the adjusting screw rod drives the first slide block to slide to the topmost position in the first cavity, at the same time, the second rack on the first slide block drives the third rack and the second slide block to slide to the bottommost position in the first cavity through the second gear, at the same time, the second slide block drives the inclined plane to press against the slide groove to be furthest away from the embedding groove, at the same time, the slide connecting block slides to the left side position in the embedding groove to be furthest under the stretching force of the stretching spring, at the same time, the slide connecting block drives the outer key shaft at the right side end to be furthest away from the spline groove, at the same time, the first slide block drives the first rack to slide to the topmost position of the first cavity, the bottom section of the first rack and the first gear are in a power connection state, at the same time, the first gear drives the second bevel gear, the second bevel gear drives the first bevel gear and the adapter sleeve to rotate, so that the adapter sleeve drives the top end of the second slot to be in a superposed and communicated state with the bottom end of the chemical agent containing cavity, meanwhile, the first open slot is far away from the blanking slot to the maximum extent, at the moment, the chemical agent in the chemical agent cavity flows into the material storage cavity through the second open slot, then the direction of the adjusting screw rod is controlled to rotate by the first motor until the switching sleeve returns to the initial position, thereby realizing that the chemical agent in the material storage cavity flows into the blanking groove and the stirring cavity through the first open groove, the device can realize the power connection work of automatically controlling the second rotating shaft, is convenient and quick for mixing the chemical additive and improves the operation safety, meanwhile, the automatic control quantitative chemical agent feeding work can be realized, the working efficiency and the sewage treatment accuracy are greatly improved, and the secondary pollution caused by excessive feeding is prevented.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. The utility model provides an environmental protection sewage treatment mechanism, is including handling box (6), its characterized in that: be equipped with stirring chamber (61) in handling box (6), be equipped with rabbling mechanism in stirring chamber (61), stir chamber (61) upside be equipped with first cavity (62) and second cavity (63) in handling box (6), second cavity (63) are located the right side position of first cavity (62), second cavity (63) upside be equipped with bottom end in handling box (6) and second cavity (63) top is linked together chemical agent appearance chamber (64) that sets up, second cavity (63) with it is equipped with down silo (616) to be linked together between stirring chamber (61), second cavity (63) internal rotation cooperation is connected with switching sleeve (631), be equipped with storage cavity (639) in switching sleeve (631), set firmly bevel block (633) on the bottom end wall of skew one side of storage cavity (639), keep away from one side of ramp block (633) be equipped with in the bottom end wall of storage cavity (639) and run through first fluting (632) of switching sleeve (631) bottom terminal surface, first fluting (632) top is relative be equipped with second fluting (635) in the top end wall of storage cavity (639), circumference has set firmly first bevel gear (634) on switching sleeve (631) outer wall, first cavity (62) with partly interior normal running fit between second cavity (63) is connected with first pivot (637) that extends the setting from left to right, the left side end of first pivot (637) sets firmly stretch into first gear (638) in first cavity (62), the right side end of first pivot (637) set firmly stretch into in second cavity (63) and with second bevel gear (636) power fit is connected, the first cavity (62) at the rear side of the first gear (638) is provided with a first rack (629) in power fit connection, the left end of the first rack (629) is fixedly provided with a first slider (626), the left side of the first slider (626) is provided with a second slider (621) in the first cavity (62), the left end face of the first slider (626) is fixedly provided with a second rack (628), the right end face of the second slider (621) is fixedly provided with a third rack (624), the first cavity (62) between the first slider (626) and the second slider (621) is in rotation fit connection with a second gear (625) in power fit connection with the second rack (628) and the third rack (624), the first slider (626) is in internal thread fit connection with an adjusting screw (627) extending up and down, the top end of the adjusting screw (627) is embedded in the top end wall (62) of the first cavity (627), and the first motor is fixedly embedded in the top end wall (627) of the first cavity (62) 620) The chemical agent processing device is characterized in that the chemical agent processing device is in power fit connection, the bottom end of the first cavity (62) is in running fit connection with the bottom end wall of the first cavity (62), the second slider (621) is in sliding fit connection with a first guide rod (623) which extends up and down, the upper and lower ends of the first guide rod (623) are respectively in fixed fit connection with the upper and lower end walls of the first cavity (62), an inclined plane jacking sliding groove (622) is formed in the top end surface on the right side of the second slider (621), an embedding groove (65) which is opposite to the inclined plane jacking sliding groove (622) is further formed in the top end wall of the first cavity (62), the embedding groove (65) is located at the left opposite position of the chemical agent accommodating cavity (64), a hybrid driving mechanism is arranged in the embedding groove (65), and moving mechanisms (66) are arranged around the bottom of the processing box body (6), moving mechanism (66) include the top terminal with fixed block (661) and the normal running fit connection that handle box (6) bottom terminal surface fixed coordination and connect the setting and be in support frame (662) in fixed block (661) bottom terminal surface, support frame (662) are kept away from fixed block (661) one side normal running fit is connected with removal gyro wheel (633) to convenient removal and transport.

2. The environmental protection sewage treatment mechanism of claim 1, wherein: stirring mechanism including extend from top to bottom set up stirring pivot (611) in stirring chamber (61) and inlay admittedly stir driving motor (613) in stirring chamber (61) bottom end wall, the bottom end of stirring pivot (611) with the terminal power fit in top of stirring driving motor (613) is connected, the top end of stirring pivot (611) with top end wall normal running fit in stirring chamber (61) is connected.

3. The environmental protection sewage treatment mechanism of claim 2, wherein: the tail end of the top of the chemical agent containing cavity (64) penetrates through the top end face of the processing box body (6) and is communicated with the outside, and a protective cover body (643) is arranged on the top end face of the processing box body (6) located on the upper side of the chemical agent containing cavity (64).

4. The environmental protection sewage treatment mechanism of claim 3, wherein: the hybrid driving mechanism comprises a hybrid driving mechanism and a second rotating shaft (641) which is arranged in the embedding groove (65) in a sliding fit connection mode and extends downwards, wherein the second rotating shaft (641) is arranged between the embedding groove (65) and the chemical agent containing cavity (64) in a rotating fit connection mode, an inner key groove communicated with the embedding groove (65) is formed in the left end face of the second rotating shaft (641), the right end of the second rotating shaft (641 extends into the chemical agent containing cavity (64) and is connected with the right end wall of the chemical agent containing cavity (64) in a rotating fit mode, a plurality of groups of mixing blades (642) which are distributed at equal intervals are fixedly arranged on the outer wall of the second rotating shaft (641) in the chemical agent containing cavity (64) in the circumferential direction, and a second guide rod (654) which extends leftwards and rightwards is connected in the sliding fit connection block (651), the tail ends of the left side and the right side of the second guide rod (654) are respectively fixedly matched and connected with the left end wall and the right end wall of the embedding groove (65), an extension spring (655) is arranged on the outer surface of the second guide rod (654) on the left side of the sliding connection block (651) in a surrounding manner, the tail ends of the left side and the right side of the extension spring (655) are respectively and fixedly connected with the left end wall of the embedding groove (65) and the left end surface of the sliding connecting block (651) in a matching way, a second motor (652) is fixedly arranged in the right side end surface of the sliding connecting block (651) opposite to the inner key groove, the right end of the second motor (652) is dynamically connected with an external key shaft (653) which extends out of the right end surface of the sliding connection block (651), the bottom end of the sliding connection block (651) is fixedly provided with an inclined plane convex block (656) which extends into the inclined plane jacking sliding groove (622) and is in jacking sliding fit connection with the inclined plane convex block.

5. The environmental protection sewage treatment mechanism of claim 4, wherein: and a discharge hole (614) communicated with the outside is formed in the bottom end wall of the stirring cavity (61) on the right side of the stirring driving motor (613), and an electric control valve (615) is fixedly arranged in the discharge hole (614).

6. The environmental protection sewage treatment process according to claim 5, which comprises the following steps: at the moment, a third rack on the second slider drives the first slider on the second rack to slide to the bottommost position in the first cavity through a second gear, and simultaneously, the top section of the first rack and the first gear are in a power connection state; when the device needs to work, the external key shaft is controlled by the second motor to drive the second rotating shaft to rotate, the second rotating shaft drives the mixing blade in the chemical agent containing cavity to rotate, so that the chemical agents are mixed and stirred uniformly, then the adjusting screw rod is controlled by the first motor to rotate, the adjusting screw rod drives the first sliding block to slide to the topmost position in the first cavity, at the same time, the second rack on the first sliding block drives the third rack and the second sliding block to slide to the bottommost position in the first cavity through the second gear, at the same time, the second sliding block drives the inclined plane to jack the sliding chute to the maximum extent to be far away from the embedding groove, at the same time, the sliding connecting block is driven by the tensile force of the tensile spring to the maximum extent to be far away from the spline groove, at the same time, the first sliding block drives the first rack to slide to the topmost position of the first cavity, and the bottom section of the first rack and the first gear are in a power connection state, at the moment, the first gear drives the second bevel gear to rotate, the second bevel gear drives the first bevel gear and the adapter sleeve to rotate, the adapter sleeve drives the top end of the second slot and the bottom end of the chemical agent containing cavity to be in a superposed and communicated state, meanwhile, the first slot is furthest away from the blanking groove, at the moment, chemical agents in the chemical agent containing cavity flow into the storage cavity through the second slot, then the direction of the adjusting screw is controlled to rotate through the first motor until the adapter sleeve returns to the initial position, further the chemical agents in the storage cavity flow into the blanking groove and the stirring cavity through the first slot, and then the stirring driving motor is controlled to drive the stirring rotating shaft to rotate.