CN118022539A

CN118022539A - Denitration reactor

Info

Publication number: CN118022539A
Application number: CN202410438076.6A
Authority: CN
Inventors: 陈锦绣; 曾荣华; 孙玉萍; 程道莲
Original assignee: Guangdong Yinniu Environmental Information Technology Co ltd
Current assignee: Guangdong Yinniu Environmental Information Technology Co ltd
Priority date: 2024-04-12
Filing date: 2024-04-12
Publication date: 2024-05-14
Anticipated expiration: 2044-04-12
Also published as: CN118022539B

Abstract

The invention discloses a denitration reactor, which comprises a reactor body, wherein a controller is arranged on the reactor body, an air inlet bottom pipe is coaxially arranged at the bottom end of the reactor body, an air inlet pipe is arranged at one side of the air inlet bottom pipe, a one-way valve is arranged in the air inlet pipe, a position adjusting component is arranged in the reactor body, the position adjusting component comprises an air inlet cavity arranged in the reactor body, and the bottom end of the air inlet cavity is communicated with the air inlet bottom pipe; in operation, three annular boxes are rotatably arranged in the arranged mounting cavity from top to bottom, four catalyst beds are arranged in the annular boxes at equal angles, and when one of the catalyst beds needs to be replaced, the corresponding first motor is started, so that the annular boxes rotate to adjust the adjacent catalyst beds to the waste gas treatment position, the suspension time of the catalyst beds during replacement during tail gas treatment is shortened, and the tail gas treatment efficiency is improved.

Description

Denitration reactor

Technical Field

The invention belongs to the technical field of denitration treatment, and particularly relates to a denitration reactor.

Background

When garbage incineration is carried out, waste gas generated by incineration needs to be treated in a treatment end program, waste nitrogen oxides in waste need to be treated in the treatment process, namely denitration reaction, the waste gas passes through a catalyst in the treatment process, the nitrogen oxides in the waste gas are treated under the action of the catalyst, the original catalyst is a vanadium-titanium system catalyst, but can only be used at the temperature of the waste gas of more than 180 ℃, in recent years, an ultralow-temperature SCR denitration catalyst appears, a novel manganese-based catalyst is adopted, flue gas is not required to be heated, and the manganese-based catalyst is easy to poison when meeting water vapor and acid gases such as sulfur dioxide, hydrogen chloride, chlorine and the like, and has the following defects in use:

Even though the waste incineration tail gas is subjected to system treatment, SO ₂ inevitably exists, when SO ₂ is continuously accumulated on the surface of the catalyst, the denitration efficiency is easy to reduce, SO that regeneration or replacement of the catalyst is required when the catalyst treatment efficiency is reduced, the catalyst is required to be taken out and replaced, the operation is troublesome, and equipment is required to be suspended for replacement, SO that the treatment efficiency is reduced.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the denitration reactor, which effectively solves the problems that the catalyst is taken out and replaced in troublesome operation and equipment is required to be suspended for replacement, so that the treatment efficiency is reduced.

In order to achieve the above purpose, the present invention provides the following technical solutions: the denitration reactor comprises a reactor body, wherein a controller is arranged on the reactor body, an air inlet bottom pipe is coaxially arranged at the bottom end of the reactor body, an air inlet pipe is arranged at one side of the air inlet bottom pipe, a one-way valve is arranged in the air inlet pipe, and a position adjusting component is arranged in the reactor body;

The position adjusting assembly comprises an air inlet cavity which is formed in the reactor body, the bottom end of the air inlet cavity is communicated with an air inlet bottom pipe, the inner diameter of the air inlet cavity is the same as that of the air inlet bottom pipe, an installation cavity is formed in the reactor body, the section of the installation cavity is annular, the installation cavity is coaxially arranged on the outer side of the air inlet cavity, the inside of the installation cavity is provided with regulators at equal intervals, and an air inlet control assembly is arranged in the air inlet cavity;

The regulator includes that the equidistance rotates installs in the inside annular box of installation cavity, the annular box sets up to be annular, the vertical lateral wall of annular box hugs closely with the vertical lateral wall of installation cavity, one side that two adjacent annular boxes are close to each other hugs closely, one side that two upper and lower annular boxes kept away from each other hugs closely with the interior roof and the interior bottom wall of installation cavity respectively, four first standing grooves have been seted up to the inside equiangle of annular box, first standing groove runs through to on the outer wall of annular box, first air vent has evenly been seted up on the top and the bottom of first standing groove, the internally mounted of first standing groove has the standing box, the second standing groove has been seted up to the inside of second standing groove, the one end of second standing groove runs through to the one end that the standing box is close to the air inlet chamber, the second ventilation hole has evenly been seted up to the upper and lower both sides of second standing groove, the second ventilation hole corresponds with first air vent, the internally mounted of second standing groove has the catalyst bed body, install joint locating component between annular box and the reactor body.

Preferably, the bottom groove is formed in the inner bottom wall of the installation cavity, the top groove is formed in the inner top wall of the installation cavity, the top groove is located right above the bottom groove, the bottom groove and the top groove are corresponding to the first placing grooves which are located on the same longitudinal row on each annular box, the air inlet holes are uniformly formed in one side, close to the bottom groove, of the air inlet cavity, the air inlet holes form an air inlet area, the air inlet holes are communicated with the bottom groove, the top end of the reactor body is provided with an exhaust pipe, exhaust holes are uniformly formed in the top wall of the top groove, and the exhaust holes are communicated with the exhaust pipe.

Preferably, the reactor body is close to the installation cavity and is close to the side equidistance of bottom groove and has been seted up the observation door, and the installation cavity is kept away from the side equidistance of bottom groove and has been seted up the processing door, and the number of observation door and the number of processing door are the same with the number of annular box, and the same high observation door and bottom groove are in two first standing grooves on the diagonal with same annular box respectively and correspond.

Preferably, the annular grooves are formed in the outer side wall of the installation cavity at equal intervals, the number of the annular grooves is the same as that of the annular boxes, the limiting toothed rings are installed on the outer sides of the annular boxes, the limiting toothed rings are rotatably installed in the annular grooves, side through grooves are formed in the outer sides of the limiting toothed rings, the side through grooves penetrate through the outer sides of the reactor body, first gears are arranged on the inner sides of the side through grooves and meshed with the limiting toothed rings, the first gears are fixedly connected with output shafts of the first motors, the first motors are fixedly installed on the motor installation frames, and the motor installation frames are fixedly installed on the side walls of the reactor body.

Preferably, the joint locating component is including setting up in the inside eight internal grooves of annular box, two internal grooves are a set of, two internal grooves symmetry are located the both sides of first standing groove, the tip groove has been seted up to the top and bottom symmetry of internal groove, two tip grooves run through respectively to the upper and lower both sides of annular box, the width of internal groove is greater than the width of tip groove, the inside movable mounting of internal groove has the internal plate, the tip board is installed to the upper and lower both sides symmetry of internal plate, two tip boards are located two tip grooves respectively, two first springs are installed to the top symmetry of internal plate, two first springs are located the both sides of top tip board, the top and the interior roof fixed connection of internal groove of first spring.

Preferably, two top boxes are installed on the top of reactor body, two sides of blast pipe are located to two top boxes symmetry, two top boxes are located two inside grooves of the first standing groove both sides in top groove below respectively, joint push pedal is installed to the inside slidable mounting of top box, the width of joint push pedal is the same with the width of tip board, the second spring is installed to the top symmetry of joint push pedal, the top of second spring and the interior roof fixed connection of top box, the top fixed mounting of joint push pedal has the top pole, the top of top pole runs through to the top of top box, the top of top pole is equipped with the clamp plate, when joint push pedal moves down, the bottom of joint push pedal can insert in the tip groove of the top annular box, and the tip board on the top annular box receives the thrust downwards card to go into in the tip groove on the annular box of below.

Preferably, the side tank has been seted up to one side that the internal groove is close to first standing groove, the pole type groove has been seted up to the bottom that the side tank is close to first standing groove one side, the inside movable mounting in pole type groove has the draw-in lever, the sideslip board is installed to the one end that the draw-in lever is close to the side tank inside, fixed mounting has the fixed plate on the inner bottom wall of side tank, the fixed plate is located one side that the sideslip board is close to the internal groove, the guide bar is installed to one side symmetry that the fixed plate is close to the sideslip board, sideslip board and guide bar sliding connection, one side that the tip board of internal plate top is close to the side tank fixed mounting has the connecting plate, be equipped with the connecting rod between connecting plate and the sideslip board, the both ends of connecting rod are articulated with connecting plate and sideslip board respectively, the bottom of connecting rod is towards first standing groove one side slope setting, the draw-in groove has been seted up to the bilateral symmetry of standing box, the draw-in lever is blocked into the inside of draw-in groove after moving towards first standing groove inside.

Preferably, the air inlet control assembly comprises a piston plate movably mounted in the air inlet cavity, the outer wall of the piston plate is tightly attached to the inner wall of the air inlet cavity, two limiting rings are mounted on the inner wall of the air inlet cavity, the two limiting rings are symmetrically arranged on the upper side and the lower side of the air inlet area, the piston plate is located above the limiting rings, a blocking ring is arranged between the upper limiting ring and the lower limiting ring, the outer wall of the blocking ring is tightly attached to the inner wall of the air inlet cavity, a communicating groove is formed in the blocking ring, the communicating groove corresponds to the air inlet area, two guide blocks are symmetrically mounted on the inner side of the blocking ring, two inserting rods are symmetrically mounted on the bottom end of the piston plate, rod grooves are formed in the guide blocks, and the bottom ends of the inserting rods penetrate through the rod grooves to the inside of the air inlet bottom pipe.

Preferably, the top of piston plate installs the longitudinal rod, and the top of longitudinal rod runs through to the top of reactor body, and the top piece is installed on the top of longitudinal rod, and spacing annular has been seted up in the outside of top piece, and the fixed ring is installed in the inside rotation of spacing annular, and the second gear is installed on the top of top piece, and the second gear is close to one side meshing of blast pipe and is connected with the third gear, third gear and the output shaft fixed connection of second motor.

Preferably, the second motor is fixedly installed on the top end of the transverse plate, the transverse plate is arranged between the top block and the exhaust pipe, the bottoms of two ends of the transverse plate are fixedly connected with the output ends of two cylinders respectively, the cylinders are fixedly installed on the cylinder installation frame, the cylinder installation frame is fixedly installed on the side wall of the reactor body, and one side, close to the exhaust pipe, of the transverse plate is fixedly connected with the two pressing plates.

Compared with the prior art, the invention has the beneficial effects that:

1) In operation, three annular boxes are rotatably arranged in the arranged mounting cavity from top to bottom, four catalyst beds are arranged in the annular boxes at equal angles, when one of the catalyst beds needs to be replaced, a corresponding first motor is started, so that the annular boxes rotate to adjust the adjacent catalyst beds to the waste gas treatment position, the suspension time of the catalyst beds during replacement during tail gas treatment is shortened, the tail gas treatment efficiency is improved, and meanwhile, when the catalyst beds rotate to the positions corresponding to the treatment doors, the catalyst beds are taken out for treatment;

2) In operation, when the transverse plate is arranged downwards, the pressing plate pushes the clamping pushing plate to move downwards, so that the bottom end of the clamping pushing plate is inserted into an end groove above an inner groove on the uppermost annular box, meanwhile, the end plate below the inner plate on the upper annular box is clamped into an end groove above an inner groove on the next annular box, and the annular boxes are correspondingly fixed by analogy, so that the tail gas circulation is smooth, the tail gas denitration effect is ensured, and meanwhile, after the transverse plate moves upwards, the clamping pushing plate and the inner plate move back, and the annular boxes move back, so that the position of the annular boxes is convenient to adjust;

3) In operation, when the inner plate moves downwards, the transverse moving plate is pushed to move towards the first placing groove along the guide rod by the connecting rod, so that the end part of the clamping rod enters the first placing groove, is clamped into the clamping grooves on two sides of the placing box, positions and fixes the placing box and the catalyst bed body, ensures that tail gas passes through the catalyst bed body, and ensures the tail gas denitration effect;

4) In operation, the piston plate is pulled to move upwards when the transverse plate moves upwards through the limiting rotation of the longitudinal rod arranged on the fixed ring at one side of the transverse plate, so that the space below the piston plate is increased, the waste gas entering later is convenient to store when the position of the annular box is adjusted, the influence on the front-end waste incineration process is avoided, and meanwhile, after the position of the annular box is adjusted, the piston plate moves downwards to push the waste gas to pass through the air inlet area, and the waste gas accumulation in the air inlet cavity is avoided;

5) In operation, through two inserted bars of the piston plate bottom that set up respectively with seal two guide blocks sliding connection of keeping off the ring inboard, vertical pole and solid fixed ring rotate to be connected, when carrying out the annular box and carrying out position adjustment, make through the second motor seal keep off the ring rotation with the intercommunication groove with the region of admitting air stagger, waste gas when avoiding the annular box to carry out position adjustment continues to let in, causes the untreated discharge of waste gas.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.

In the drawings:

FIG. 1 is a schematic diagram of a denitration reactor according to the present invention;

FIG. 2 is a schematic view showing the internal structure of the reactor body according to the present invention;

FIG. 3 is a schematic view of the internal structure of the installation cavity of the present invention;

FIG. 4 is a schematic view of a limiting ring gear according to the present invention;

FIG. 5 is a schematic diagram of a regulator according to the present invention;

FIG. 6 is a schematic view of the inner and end plate structures of the present invention;

FIG. 7 is a schematic view of a placement case according to the present invention;

FIG. 8 is an enlarged view of FIG. 7A in accordance with the present invention;

Fig. 9 is a schematic view of a transverse plate structure according to the present invention.

In the figure: 1. a reactor body; 2. a controller; 3. an air inlet bottom pipe; 4. an air inlet pipe; 5. a position adjustment assembly; 501. an air inlet cavity; 502. a mounting cavity; 503. a regulator; 5031. an annular box; 5032. a first placement groove; 5033. a first vent hole; 5034. placing a box; 5035. a second placement groove; 5036. a second vent hole; 5037. a catalyst bed; 504. an observation door; 505. a processing door; 506. a bottom groove; 507. an air inlet hole; 508. a top groove; 509. an exhaust pipe; 510. an exhaust hole; 511. a limiting toothed ring; 512. an annular groove; 513. a side through groove; 514. a first gear; 515. a first motor; 6. the clamping and positioning assembly; 601. an inner groove; 602. an end groove; 603. an inner plate; 604. an end plate; 606. a first spring; 607. a clamping groove; 608. a side groove; 609. a rod-shaped groove; 610. a clamping rod; 611. a transverse moving plate; 612. a fixing plate; 613. a guide rod; 614. a connecting plate; 615. a connecting rod; 616. a top box; 617. the push plate is clamped; 618. a second spring; 619. a top bar; 620. a pressing plate; 7. an air intake control assembly; 701. a limiting ring; 702. a blocking ring; 703. a communication groove; 704. a piston plate; 705. a guide block; 706. a rod; 707. a longitudinal rod; 708. a top block; 709. a limit ring groove; 710. a fixing ring; 711. a transverse plate; 712. a cylinder; 713. a second gear; 714. a third gear; 715. and a second motor.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described 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.

The first embodiment is given by fig. 1-9, the invention relates to a denitration reactor, which comprises a reactor body 1, wherein a controller 2 is arranged on the reactor body 1, the bottom end of the reactor body 1 is coaxially provided with an air inlet bottom pipe 3, one side of the air inlet bottom pipe 3 is provided with an air inlet pipe 4, the inside of the air inlet pipe 4 is provided with a one-way valve, and the inside of the reactor body 1 is provided with a position adjusting component 5;

The position adjusting assembly 5 comprises an air inlet cavity 501 arranged in the reactor body 1, the bottom end of the air inlet cavity 501 is communicated with the air inlet bottom pipe 3, the inner diameter of the air inlet cavity 501 is the same as the inner diameter of the air inlet bottom pipe 3, an installation cavity 502 is arranged in the reactor body 1, the section of the installation cavity 502 is annular, the installation cavity 502 is coaxially arranged on the outer side of the air inlet cavity 501, the inside of the installation cavity 502 is provided with an adjustor 503 at equal distance, and the inside of the air inlet cavity 501 is provided with an air inlet control assembly 7;

The regulator 503 includes the equidistant rotation installs in the inside annular box 5031 of installation cavity 502, annular box 5031 sets up to be annular, the vertical lateral wall of annular box 5031 hugs closely with the vertical lateral wall of installation cavity 502, one side that two adjacent annular boxes 5031 are close to each other hugs closely, one side that two upper and lower annular boxes 5031 are kept away from each other hugs closely with the interior roof and interior bottom wall of installation cavity 502 respectively, four first standing grooves 5032 have been seted up to the inside equiangular degree of annular box 5031, first standing groove 5032 runs through to on the outer wall of annular box 5031, first air vent 5033 has evenly been seted up to the top and the bottom of first standing groove 5032, the internally mounted of first standing groove 5032 has a standing box 5034, the inside of second standing groove 5035 has been seted up second standing groove 5035, one end of second standing groove 5035 runs through to the one end that the standing box 5034 is close to into the business turn over 501, the upper and lower both sides of second standing groove 5035 evenly have seted up second air vent 5036, second air vent 5036 corresponds with first air vent 5033, internally mounted of second standing groove 5035 has a catalyst bed body 5035 and a positioning device 506 between the reactor 506 and the installation assembly.

The bottom groove 506 is arranged on the inner bottom wall of the installation cavity 502, the top groove 508 is arranged on the inner top wall of the installation cavity 502, the top groove 508 is positioned right above the bottom groove 506, the bottom groove 506 and the top groove 508 correspond to the first placing grooves 5032 which are arranged on the same longitudinal row on each annular box 5031, the air inlet holes 507 are uniformly arranged on one side of the air inlet cavity 501 close to the bottom groove 506, an air inlet area is formed by a plurality of the air inlet holes 507, the air inlet holes 507 are communicated with the bottom groove 506, the top end of the reactor body 1 is provided with an exhaust pipe 509, the top wall of the top groove 508 is uniformly provided with an exhaust hole 510, the exhaust hole 510 is communicated with the exhaust pipe 509, the observation doors 504 are equidistantly arranged on one side of the reactor body 1 close to the bottom groove 506, the processing doors 505 are equidistantly arranged on one side of the installation cavity 502 far from the bottom groove 506, the number of the observation doors 504 and the number of the processing doors 505 are the same as the number of the annular boxes 5031, the observation door 504 and the bottom groove 506 with the same height are respectively corresponding to the two first placing grooves 5032 on the diagonal line of the same annular box 5031, the outer side wall of the installation cavity 502 is provided with annular grooves 512 in equal distance, the number of the annular grooves 512 is the same as that of the annular boxes 5031, the outer side of the annular box 5031 is provided with a limit toothed ring 511, the limit toothed ring 511 is rotatably arranged in the annular groove 512, the outer side of the limit toothed ring 511 is provided with a side through groove 513, the side through groove 513 penetrates to the outer side of the reactor body 1, the inner side of the side through groove 513 is provided with a first gear 514, the first gear 514 is meshed with the limit toothed ring 511, the first gear 514 is fixedly connected with an output shaft of a first motor 515, the first motor 515 is fixedly arranged on a motor installation frame, the motor installation frame is fixedly arranged on the side wall of the reactor body 1, three annular boxes 5031 are rotatably arranged in the installation cavity 502 from top to bottom, four catalyst beds 5037 are arranged at equal angles in the annular box 5031, when one of the catalyst beds 5037 needs to be replaced, a corresponding first motor 515 is started, so that the adjacent catalyst beds 5037 are adjusted to the waste gas treatment position by rotation of the annular box 5031, the suspension time of the catalyst beds 5037 during replacement during tail gas treatment is shortened, the tail gas treatment efficiency is improved, and meanwhile, the catalyst beds 5037 are taken out for treatment when the catalyst beds 5037 rotate to the positions corresponding to the treatment doors 505.

The clamping positioning assembly 6 comprises eight inner grooves 601 formed in the annular box 5031, the two inner grooves 601 are a group, the two inner grooves 601 are symmetrically arranged on two sides of the first placing groove 5032, the top end and the bottom end of the inner groove 601 are symmetrically provided with end grooves 602, the two end grooves 602 respectively penetrate through the upper side and the lower side of the annular box 5031, the width of the inner groove 601 is larger than that of the end grooves 602, an inner plate 603 is movably arranged in the inner groove 601, end plates 604 are symmetrically arranged on the upper side and the lower side of the inner plate 603, the two end plates 604 are respectively arranged in the two end grooves 602, the top ends of the inner plate 603 are symmetrically provided with two first springs 606, the two first springs 606 are positioned on two sides of the upper end plate 604, the top ends of the first springs 606 are fixedly connected with the inner top wall of the inner groove 601, the top end of the reactor body 1 is provided with two top boxes 616, the two top boxes 616 are symmetrically arranged on two sides of the exhaust pipe 509, the two top boxes 616 are respectively positioned right above the two inner slots 601 on the two sides of the first placing slot 5032 below the top slot 508, a clamping push plate 617 is slidably arranged in the top box 616, the width of the clamping push plate 617 is the same as that of the end plate 604, a second spring 618 is symmetrically arranged at the top end of the clamping push plate 617, the top end of the second spring 618 is fixedly connected with the inner top wall of the top box 616, a top rod 619 is fixedly arranged at the top end of the clamping push plate 617, the top end of the top rod 619 penetrates through the top of the top box 616, a pressing plate 620 is arranged above the top rod 619, when the clamping push plate 617 moves downwards, the bottom end of the clamping push plate 617 can be inserted into the end slot 602 of the uppermost annular box 5031, the end plate 604 on the upper annular box 5031 is downwards clamped into the end slot 602 on the lower annular box 5031 by thrust, one side of the inner slot 601 close to the first placing slot 5032 is provided with a side slot 608, the bottom that side channel 608 is close to one side of first standing groove 5032 has offered the pole type groove 609, the inside movable mounting in pole type groove 609 has draw-in lever 610, draw-in lever 610 is close to the inside one end of side channel 608 and has been installed sideslip board 611, fixed mounting has fixed plate 612 on the inner bottom wall of side channel 608, fixed plate 612 is located one side that sideslip board 611 is close to inside groove 601, the fixed plate 612 is close to one side symmetry of sideslip board 611 and has installed guide bar 613, sideslip board 611 and guide bar 613 sliding connection, the one side that is close to side of side channel 608 of tip board 604 above the inside board 603 has connecting plate 614, be equipped with connecting rod 615 between connecting plate 614 and the sideslip board 611, the both ends of connecting rod 615 are articulated with connecting plate 614 and sideslip board 611 respectively, the bottom of connecting rod 615 is towards one side slope setting of first standing groove 5032, draw-in groove 607 has been seted up to the bilateral symmetry of holding box 5034, draw-in groove 607 after the inside moving towards first standing groove 5032, when inside board 603 moves down, the side of fixed plate 612 is close to sideslip board 613, along guide bar 615 push plate 613, make tip along guide bar 613 moves towards first standing groove 5032, make the tip entering into the first standing groove 5032, make catalyst 5037 get into bed 5037, make the catalyst 5037 and the bed 5037 carry out the effect, and guarantee that catalyst 5037 enters into the bed 5037, and is kept in the bed 5037.

The air inlet control assembly 7 comprises a piston plate 704 movably arranged in the air inlet cavity 501, the outer wall of the piston plate 704 is tightly attached to the inner wall of the air inlet cavity 501, two limiting rings 701 are arranged on the inner wall of the air inlet cavity 501, the two limiting rings 701 are symmetrically arranged on the upper side and the lower side of an air inlet region, the piston plate 704 is positioned above the upper limiting ring 701, a blocking ring 702 is arranged between the upper limiting ring 701 and the lower limiting ring 701, the outer wall of the blocking ring 702 is tightly attached to the inner wall of the air inlet cavity 501, a communicating groove 703 is arranged on the blocking ring 702, the communicating groove 703 corresponds to the air inlet region, two guide blocks 705 are symmetrically arranged on the inner side of the blocking ring 702, two inserting rods 706 are symmetrically arranged at the bottom end of the piston plate 704, rod grooves are arranged on the guide blocks 705, the bottom ends of the inserting rods 706 penetrate through the rod grooves to penetrate into the air inlet bottom tube 3, a longitudinal rod 707 is arranged at the top end of the piston plate 704, the top end of the longitudinal rod 707 penetrates to the upper side of the reactor body 1, the top of the longitudinal rod 707 is provided with a top block 708, the outer side of the top block 708 is provided with a limit ring groove 709, the inside of the limit ring groove 709 is rotatably provided with a fixed ring 710, the top of the top block 708 is provided with a second gear 713, one side of the second gear 713 close to the exhaust pipe 509 is connected with a third gear 714 in a meshed manner, the third gear 714 is fixedly connected with an output shaft of a second motor 715, the second motor 715 is fixedly arranged at the top of a transverse plate 711, the transverse plate 711 is arranged between the top block 708 and the exhaust pipe 509, the bottoms of the two ends of the transverse plate 711 are respectively fixedly connected with the output ends of two cylinders 712, the cylinders 712 are fixedly arranged on a cylinder mounting bracket, the cylinder mounting bracket is fixedly arranged on the side wall of the reactor body 1, one side of the transverse plate 711 close to the exhaust pipe 509 is fixedly connected with two pressing plates 620, when the transverse plate 711 is downward, the pressing plates 620 push the clamping pushing plates 617 to move downward, the bottom ends of the clamping push plates 617 are inserted into the end grooves 602 above the inner grooves 601 on the uppermost annular box 5031, meanwhile, the end plates 604 below the inner plates 603 on the upper annular box 5031 are clamped into the end grooves 602 above the inner grooves 601 on the next annular box 5031, and the annular boxes 5031 are correspondingly fixed by analogy, so that the tail gas circulation is smooth, the tail gas denitration effect is ensured, meanwhile, after the transverse plates 711 move upwards, the clamping push plates 617 and the inner plates 603 move backwards, the annular boxes 5031 move backwards, the position of the annular boxes 5031 is conveniently adjusted, the longitudinal rods 707 are limited and rotatably installed on the fixed rings 710 on one side of the transverse plates 711, the piston plates 704 are pulled upwards when the transverse plates 711 move upwards, the space below the piston plates 704 is increased, the waste gas storage of the subsequent entering is facilitated when the annular boxes 5031 are subjected to position adjustment, the influence on the front-end garbage incineration procedure is avoided, simultaneously, after the position of the annular boxes 5031 is adjusted, the piston plates 704 move downwards to push the waste gas to pass through the air inlet areas, the piston plates 704 are prevented from moving downwards, the two end plates 706 are connected with the two guide rings 706 in a sliding mode, and the two end plates 706 are prevented from being connected with the two guide rings 702 in a sliding mode, and the position of the two guide rings 702 are continuously and are prevented from being staggered when the two end plates 702 are connected with the two guide rings 702, and are continuously connected with the position of the end plates 702, and the end plates 702 are continuously connected with the end plate 702, and are continuously connected with the end plate frames and are rotatably and connected with the end plate 702, and are kept in a position, and connected with the end seal mode.

Working principle: during operation, tail gas after garbage incineration is introduced into the air inlet bottom pipe 3 and the air inlet cavity 501 through the air inlet pipe 4, as the one-way valve is arranged in the air inlet pipe 4, the tail gas entering the air inlet bottom pipe 3 and the air inlet cavity 501 cannot flow back from the air inlet pipe 4, the tail gas entering the air inlet bottom pipe 3 and the air inlet cavity 501 enters the bottom groove 506 through the air inlet holes 507 and passes through the annular boxes 5031 from bottom to top, when the tail gas passes through the annular boxes 5031, the tail gas passes through the catalyst bed 5037 through the first air holes 5033 and the second air holes 5036, when the tail gas passes through the catalyst bed 5037, the denitration operation is carried out on the tail gas through the catalyst in the catalyst bed 5037, and when the tail gas passes through the catalyst bed 5037, the denitration operation is carried out on the annular boxes 5031 on the same longitudinal axis between the bottom groove 506 and the catalyst bed 5037, and the denitration treatment of the tail gas is completed;

In use, the catalyst bed 5037 above the bottom groove 506 in the lowermost annular box 5031 captures the most nitrogen oxides in the exhaust gas, the catalyst bed 5037 below the top groove 508 in the uppermost annular box 5031 captures the least nitrogen oxides in the exhaust gas, SO2 is unavoidable in the waste incineration exhaust gas even though the waste incineration exhaust gas is processed by the system, when SO2 is accumulated on the catalyst surface, the denitration efficiency is reduced, and as the exhaust gas passes through the catalyst bed 5037 above the bottom groove 506 in the lowermost annular box 5031 at first, SO that the SO2 is accumulated on the catalyst surface in the catalyst bed 5037 above the bottom groove 506 in the lowermost annular box 5031 to the greatest extent, SO that the interval length of the catalyst bed 5037 in the lowermost annular box 5031 to be replaced is the shortest, and the interval length of the catalyst bed 5037 in the uppermost annular box 5031 to be replaced is the longest;

When the replacement is required, the controller 2 controls the corresponding first motor 515 to enable the first gear 514 to rotate, and the first gear 514 is meshed with the limiting gear ring 511 on the outer side of the annular box 5031, so that the annular box 5031 is driven to rotate ninety degrees, and the adjacent first placing groove 5032 is rotated to the upper side of the bottom groove 506, so that the catalyst bed 5037 at one height is replaced, the replacement time is shortened, the pause time when the catalyst bed 5037 is replaced when the tail gas treatment is performed is shortened, the tail gas treatment efficiency is improved, when the catalyst bed 5037 to be replaced is rotated to correspond to the treatment door 505, a worker takes out the placing box 5034 at the corresponding position, takes out the catalyst bed 5037 for treatment, and replaces the new catalyst bed 5037;

The transverse plate 711 is controlled to move downwards through the air cylinder 712, when the pressure plate 620 moves downwards to contact with the top end of the top rod 619, the pressure plate 620 continues to move downwards, the top rod 619 is pushed to move downwards, the clamping pushing plate 617 is pushed to move downwards, the bottom end of the clamping pushing plate 617 is inserted into the end groove 602 above the inner groove 601 on the uppermost annular box 5031, the inner plate 603 on the upper annular box 5031 moves downwards under the action of pushing force, the end plate 604 below the inner plate 603 on the upper annular box 5031 is clamped into the end groove 602 above the inner groove 601 on the next annular box 5031, and the annular boxes 5031 are correspondingly fixed by analogy in sequence, so that the smooth circulation of tail gas is ensured, and the tail gas denitration effect is ensured;

when the inner plate 603 moves downwards, the transverse moving plate 611 is pushed by the connecting rod 615 to move towards the first placing groove 5032 along the guide rod 613, so that the end part of the clamping rod 610 enters the first placing groove 5032, and the clamping rods 610 on two sides are clamped into the clamping grooves 607 on two sides of the placing box 5034, so that the placing box 5034 and the catalyst bed 5037 are positioned and fixed, the tail gas is ensured to pass through the catalyst bed 5037, and the tail gas denitration effect is ensured;

When the replacement is needed, the output end of the control cylinder 712 extends upwards to push the transverse plate 711 to move upwards, so that the pressing plate 620 moves upwards, at the moment, the top end of the top rod 619 is not provided with a blocking object, the clamping pushing plate 617 moves upwards under the action of the elastic force of the second spring 618, so that the inner plate 603 in the annular box 5031 moves upwards under the action of the elastic force of the first spring 606, each annular box 5031 is separated from the clamping connection, and the rotation of the annular box 5031 is convenient for position adjustment;

Before the transverse plate 711 moves upwards, the second motor 715 is started to enable the third gear 714 to rotate, the third gear 714 is meshed with the second gear 713 to drive the longitudinal rod 707 to rotate, the piston plate 704 rotates and then pulls the blocking ring 702 to rotate, so that the communication groove 703 is staggered from an air inlet area on the inner wall of the air inlet cavity 501, waste gas entering subsequently cannot be continuously introduced, untreated escape of the waste gas is avoided, an adjusting time gap is generated, and position adjustment of the annular box 5031 is facilitated;

After the blocking ring 702 is closed, the transverse plate 711 moves upwards again to drive the longitudinal rod 707 to move upwards, and then the piston plate 704 is pulled to move upwards, so that the space below the piston plate 704 is increased, and the subsequent waste gas can be stored in the space below the piston plate 704 when entering, thereby avoiding influencing the prior waste incineration treatment procedure;

After the position of the annular box 5031 is adjusted, the blocking ring 702 is rotated back to the position corresponding to the position of the communication groove 703 and the air inlet region by the second motor 715, and meanwhile, the output end of the control cylinder 712 is retracted, so that after the transverse plate 711 moves downwards, the clamping push plate 617 moves downwards to fix each annular box 5031 in a clamping manner, and meanwhile, the piston plate 704 moves downwards to push the waste gas stored in the air inlet chamber 501 to pass through the air inlet region, so that the waste gas accumulation in the air inlet chamber 501 is avoided, and the waste gas treatment is facilitated.

Claims

1. A denitration reactor, comprising a reactor body (1), characterized in that: the reactor body (1) is provided with a controller (2), and the inside of the reactor body (1) is provided with a position adjusting component (5);

The position adjusting assembly (5) comprises an air inlet cavity (501) and an installation cavity (502) which are formed in the reactor body (1), the interior of the installation cavity (502) is provided with regulators (503) at equal intervals, and the interior of the air inlet cavity (501) is provided with an air inlet control assembly (7);

The regulator (503) comprises an annular box (5031) which is rotatably arranged in the installation cavity (502) at equal intervals, the annular box (5031) is arranged to be annular, and a clamping and positioning assembly (6) is arranged between the annular box (5031) and the reactor body (1).

2. A denitration reactor according to claim 1, characterized in that: the bottom end of the reactor body (1) is coaxially provided with an air inlet bottom pipe (3), one side of the air inlet bottom pipe (3) is provided with an air inlet pipe (4), and the inside of the air inlet pipe (4) is provided with a one-way valve; the bottom end of the air inlet cavity (501) is communicated with the air inlet bottom pipe (3), and the inner diameter of the air inlet cavity (501) is the same as the inner diameter of the air inlet bottom pipe (3); the section of the mounting cavity (502) is annular, and the mounting cavity (502) is coaxially arranged at the outer side of the air inlet cavity (501);

The vertical lateral wall of annular box (5031) hugs closely with the vertical lateral wall of installation cavity (502), one side that two adjacent annular boxes (5031) are close to each other hugs closely, one side that two upper and lower annular boxes (5031) are kept away from each other hugs closely with the interior roof and interior bottom wall of installation cavity (502) respectively, four first standing grooves (5032) have been seted up to the inside equiangular degree of annular box (5031), first standing groove (5032) run through on the outer wall of annular box (5031), first air vent (5033) have evenly been seted up on top and the bottom of first standing groove (5032), second standing groove (5035) have been seted up to the inside of second standing groove (5035), one end of second standing groove (5035) runs through to the one end that the standing box (5034) is close to air inlet cavity (501), second air vent (5036) have evenly been seted up to the upper and lower both sides of second standing groove (5036), second air vent (5036) correspond with first air vent (5033), the internally mounted catalyst of second standing groove (5035) has been installed to the inside catalyst bed (5037).

3. A denitration reactor according to claim 2, characterized in that: the device is characterized in that a bottom groove (506) is formed in the inner bottom wall of the installation cavity (502), a top groove (508) is formed in the inner top wall of the installation cavity (502), the top groove (508) is located right above the bottom groove (506), the bottom groove (506) and the top groove (508) are corresponding to first placing grooves (5032) which are arranged on the same longitudinal line on each annular box (5031), an air inlet hole (507) is uniformly formed in one side, close to the bottom groove (506), of the air inlet cavity (501), a plurality of air inlet holes (507) form an air inlet area, the air inlet holes (507) are communicated with the bottom groove (506), an exhaust pipe (509) is arranged at the top end of the reactor body (1), exhaust holes (510) are uniformly formed in the top wall of the top groove (508), and the exhaust holes (510) are communicated with the exhaust pipe (509);

One side equidistance that reactor body (1) is close to installation cavity (502) and is close to bottom groove (506) has been seted up observation door (504), and one side equidistance that installation cavity (502) kept away from bottom groove (506) has been seted up and has been handled door (505), and the number of observation door (504) and the number of handling door (505) are the same with the number of annular box (5031), and the observation door (504) and bottom groove (506) of same height are in two first standing grooves (5032) on the diagonal with same annular box (5031) respectively and correspond.

4. A denitration reactor according to claim 3, characterized in that: annular grooves (512) are formed in the outer side wall of the installation cavity (502) at equal intervals, the number of the annular grooves (512) is the same as that of the annular boxes (5031), limiting toothed rings (511) are installed on the outer sides of the annular boxes (5031), the limiting toothed rings (511) are rotatably installed in the annular grooves (512), side through grooves (513) are formed in the outer sides of the limiting toothed rings (511), the side through grooves (513) penetrate through the outer sides of the reactor body (1), first gears (514) are arranged on the inner sides of the side through grooves (513), the first gears (514) are meshed with the limiting toothed rings (511), the first gears (514) are fixedly connected with output shafts of first motors (515), the first motors (515) are fixedly installed on motor installation frames, and the motor installation frames are fixedly installed on the side walls of the reactor body (1).

5. A denitration reactor according to claim 3, characterized in that: the clamping positioning assembly (6) comprises eight inner grooves (601) formed in the annular box (5031), the two inner grooves (601) are formed in a group, the two inner grooves (601) are symmetrically formed in two sides of the first placing groove (5032), end grooves (602) are symmetrically formed in the top end and the bottom end of the inner grooves (601), the two end grooves (602) penetrate through the upper side and the lower side of the annular box (5031) respectively, the width of the inner grooves (601) is larger than that of the end grooves (602), an inner plate (603) is movably mounted in the inner grooves (601), end plates (604) are symmetrically mounted on the upper side and the lower side of the inner plate (603), the two end plates (604) are located in the two end grooves (602) respectively, two first springs (606) are symmetrically mounted on the top ends of the inner plate (603), and the top ends of the first springs (606) are fixedly connected with the inner top wall of the inner groove (601).

6. A denitration reactor according to claim 5, wherein: two top boxes (616) are installed on the top of reactor body (1), two both sides of blast pipe (509) are located to two top boxes (616) symmetry, two top boxes (616) are located respectively in two inside grooves (601) of top groove (508) below first standing groove (5032) both sides directly over, inside slidable mounting of top box (616) has joint push pedal (617), the width of joint push pedal (617) is the same with the width of tip board (604), second spring (618) are installed on the top symmetry of joint push pedal (617), the top and the interior roof fixed connection of top box (616) of second spring (618), top fixed mounting of joint push pedal (619) has top pole (619), the top of top pole (619) runs through to the top of top box (616), the top of top pole (619) is equipped with clamp plate (620), when joint push pedal (617) move down, the bottom of joint push pedal (617) can insert in tip groove (602) of top ring box (5031), and tip box (604) are gone into in the tip box (5031) down in the tip box (5031).

7. A denitration reactor according to claim 6, wherein: side tank (608) is arranged on one side of the inner tank (601) close to the first placing tank (5032), rod type tank (609) is arranged on the bottom end of one side of the side tank (608) close to the first placing tank (5032), clamping rods (610) are movably arranged on one side of the rod type tank (609) close to the side tank (608), transverse moving plates (611) are arranged on one end of the clamping rods (610) close to the inner side tank (608), fixing plates (612) are fixedly arranged on the inner bottom wall of the side tank (608), fixing plates (612) are arranged on one side of the transverse moving plates (611) close to the inner tank (601), guide rods (613) are symmetrically arranged on one side of the fixing plates (612) close to the transverse moving plates (611), transverse moving plates (611) are connected with the guide rods (613) in a sliding mode, connecting plates (614) are fixedly arranged on one side of the end plate (604) above the inner plate (603) close to the side of the side tank (608), connecting rods (615) are arranged between the connecting plates (614) and the transverse moving plates (611), two ends of each connecting rod (615) are hinged with the connecting plates (614) and the transverse moving plates (611), the bottom ends of each connecting rod (615) face to the corresponding side of the corresponding side tank (611), the first placing tank (607) and are arranged on one side of the first placing tank (5032), the clamping rod (610) moves towards the inside of the first placing groove (5032) and then is clamped into the inside of the clamping groove (607).

8. A denitration reactor according to claim 3, characterized in that: the air inlet control assembly (7) comprises a piston plate (704) movably mounted in an air inlet cavity (501), the outer wall of the piston plate (704) is tightly attached to the inner wall of the air inlet cavity (501), two limiting rings (701) are mounted on the inner wall of the air inlet cavity (501), the two limiting rings (701) are symmetrically arranged on the upper side and the lower side of an air inlet area, the piston plate (704) is located above the limiting rings (701) above, a blocking ring (702) is arranged between the upper limiting ring (701) and the lower limiting rings (701), the outer wall of the blocking ring (702) is tightly attached to the inner wall of the air inlet cavity (501), a communication groove (703) is formed in the blocking ring (702), the communication groove (703) corresponds to the air inlet area, two guide blocks (705) are symmetrically mounted on the inner side of the blocking ring (702), two inserting rods (706) are symmetrically mounted at the bottom ends of the piston plate (706), rod grooves are formed in the guide blocks (705), and the bottom ends of the inserting rods (706) penetrate through the rod grooves to the inner part of the air inlet bottom pipe (3).

9. A denitration reactor according to claim 8, wherein: the top of piston board (704) is installed vertical pole (707), top of vertical pole (707) runs through to the top of reactor body (1), top piece (708) are installed on the top of vertical pole (707), spacing annular (709) have been seted up in the outside of top piece (708), fixed ring (710) are installed in the inside rotation of spacing annular (709), second gear (713) are installed on the top of top piece (708), one side that second gear (713) is close to blast pipe (509) meshing is connected with third gear (714), output shaft fixed connection of third gear (714) and second motor (715).

10. A denitration reactor according to claim 9, characterized in that: the second motor (715) is fixedly arranged at the top end of the transverse plate (711), the transverse plate (711) is arranged between the top block (708) and the exhaust pipe (509), the bottoms of the two ends of the transverse plate (711) are fixedly connected with the output ends of the two cylinders (712) respectively, the cylinders (712) are fixedly arranged on cylinder mounting frames, the cylinder mounting frames are fixedly arranged on the side wall of the reactor body (1), and one side of the transverse plate (711) close to the exhaust pipe (509) is fixedly connected with the two pressing plates (620).