CN208852904U - Denitrating catalyst regenerative system - Google Patents

Abstract

The utility model relates to field of waste water treatment, disclose a kind of denitrating catalyst regenerative system, including soot blower, water washing device, acid dip pickle and regeneration calciner, it further include emission-control equipment, the acid dip pickle includes several service sinks, the upper end of service sink offers several aspirating holes, and the emission-control equipment includes gas removing pipe, air-introduced machine and spray column；The gas removing pipe is equipped with more and is connected respectively with aspirating hole, and the air-introduced machine is connected with appendix, and described appendix one end is connected with gas removing pipe, and the other end is connected with spray column.The irritative gas such as ammonia and sulfur trioxide are sucked out by aspirating hole by exhaust blower, and irritative gas is entered in spray column by appendix, and spray column carries out spray filtering to gas, and irritative gas is soluble in water, and clean air discharge, atmosphere and environment are protected.

Description

Denitrating catalyst regenerative system

Technical field

The utility model relates to field of waste water treatment, in particular to a kind of denitrating catalyst regenerative system.

Background technique

Since coal-burning power plant can generate a large amount of nitrogen oxides (NOx) when burning coal, this is also to generally acknowledge at present The main inducing for causing the environmental problems such as acid rain, regional haze, photochemical fog.Coal-burning power plant is mainly using selection at present Property catalytic reduction method (SCR) denitration technology control the discharge of NOx, wherein the core of entire Benitration reactor is SCR catalysis Agent.

The Chinese patent of Publication No. CN108097045A discloses a kind of method of denitrating catalyst recycling utilization, Including step 1, soot blowing；Step 2, washing；Step 3, pickling: step 4, level-one drying；Step 5, activity implantation；Step Six, second level drying；Step 7, Activity determination；Step 8, packing processes.The method increase the regeneration of entire denitrating catalyst to follow The cycle efficieny that ring utilizes.

Catalyst module can decompose in acid cleaning process releases the irritative gas such as ammonia, sulfur trioxide, pollutes atmosphere, The feature of environmental protection is poor.

Utility model content

The purpose of the utility model is to provide a kind of denitrating catalyst regenerative systems, have protection atmosphere, improve the feature of environmental protection The advantages of.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of denitrating catalyst regenerative system, including soot blower, water washing device, acid dip pickle and regeneration calciner, It further include emission-control equipment, the acid dip pickle includes several service sinks, and the upper end of service sink offers several aspirating holes, institute Stating emission-control equipment includes gas removing pipe, air-introduced machine and spray column；The gas removing pipe is equipped with more and is connected respectively with aspirating hole, institute It states air-introduced machine and is connected with appendix, described appendix one end is connected with gas removing pipe, and the other end is connected with spray column.

By using above-mentioned technical proposal, catalyst module is put into service sink, and service sink carries out catalyst module clear It washes, catalyst module can decompose release the irritative gas such as ammonia, sulfur trioxide in the process of cleaning, and the portion gas is clear It is bubbled and floats during washing, when reaching the upper end of service sink, exhaust blower applies suction, ammonia and three to gas removing pipe by appendix The irritative gas such as sulfur oxide are sucked out by aspirating hole by exhaust blower, and irritative gas is entered in spray column by appendix, spray It drenches tower and spray filtering is carried out to gas, irritative gas is soluble in water, and clean air discharge, atmosphere and environment are protected.

Further, the gas removing pipe includes main pipeline and several branch pipe(tube)s, and described branch pipe(tube) one end is connected with aspirating hole, The other end is connected with main pipeline, and the end of the main pipeline is connected with appendix.

By using above-mentioned technical proposal, the gas in service sink passes through neighbouring aspirating hole respectively and enters branch pipe(tube), It is discharged behind interflow by air pump in main pipeline, multiple branch pipe(tube)s absorb the gas in service sink, and assimilation effect is preferable.

Further, the gas removing pipe further includes the pipe joint of truncated rectangular pyramids shape, and the pipe joint is arranged in branch pipe(tube) Between aspirating hole.

By using above-mentioned technical proposal, branch pipe(tube) is connected by pipe joint with aspirating hole, and pipe joint is arranged can be with Effectively the two is connected to；Pipe joint is set as tetragonous bench-type, flows into branch pipe(tube) along its inclined inner wall convenient for gas.

Further, the service sink is equipped with sealing cover, and the lower surface of the sealing cover is equipped with several drainage troughs, described The center of sealing cover is directed toward in drainage trough circumferential direction circle distribution, described drainage trough one end, and the other end is directed toward aspirating hole.

By using above-mentioned technical proposal, in cleaning, sealing cover covers on service sink catalyst module, guarantees service sink Leakproofness, prevent exhaust gas from leaking.When exhaust gas floating is moved at sealing cover, exhaust gas is directed in aspirating hole and arranges by drainage trough Out, exhaust effect is preferable.

Further, rotation axis is rotatably connected at the center of the sealing cover, the lower end of the rotation axis is equipped with rotation Flabellum, the upper end of the rotation axis pass through sealing cover and are connected with rotary electric machine.

By using above-mentioned technical proposal, sealing cover is covered on service sink, rotary electric machine starting, rotation flabellum rotation, clearly Vortex is formed in wash pool, the gas in service sink diffuses into aspirating hole around under the centrifugal force of rotation flabellum, accelerates Gas flowing in service sink, improves exhaust efficiency.

Further, the sealing cover lower surface is surrounded by the sealing edge extended downwardly, the inner wall on the sealing edge It is fixed with sealant, the outer wall and sealant of the service sink upper end contradict.

By using above-mentioned technical proposal, sealing cover is covered on service sink, and the upper end of service sink is embedded in the lower end of sealing cover, The outer wall of sealant and service sink contradicts, and enhances the leakproofness between sealing cover and service sink, improves sealing effect.

Further, vertical control hole, rotation connection in the control hole are offered at four angles of the service sink There is thread barrel, the thread barrel internal screw thread is connected with mandril, and horizontally disposed control-rod, the control are equipped in the service sink It is connected between bar processed and thread barrel by worm and gear.

By using above-mentioned technical proposal, after sealing cover is covered on service sink, rotation control rod, control-rod drives screw thread Cylinder rotation, thread barrel make mandril stretch out thread barrel by screw thread, and mandril upwards pressure to sealing cover application, will seal caping It rises, so that sealing cover and service sink are detached from, convenient for removing for sealing cover.

Further, two control-rods being parallel to each other, a control-rod and two thread barrels are equipped in the service sink It is connected, is equipped between two control-rods and is connected with a drive rod, passes through bevel gear set phase between the drive rod and control-rod Even, the end of the drive rod stretches out service sink and is connected with swing handle.

By using above-mentioned technical proposal, swing handle rotation, drive rod rotation, drive rod drive two control-rods turn Dynamic, two control-rods drive four thread barrel rotations, so that four mandrils eject simultaneously, it is easy to use.

Further, air equalizer opening is offered on the sealing cover, slidably connects upper end in the air equalizer opening The sealing drum of opening, the upper end of the sealing drum are fixed with fixed edge, it is described it is fixed along with balancing spring is equipped between sealing cover, The balance port being connected with sealing tube inner chamber is offered on the outer wall of the sealing drum.

By using above-mentioned technical proposal, the gas in service sink is constantly discharged, and the air pressure in service sink constantly reduces, outside Portion's air pressure overcomes the elastic force of balancing spring to press sealing drum decline, until balance port is connected with the inner cavity of service sink, external gas Body is entered by balance port carries out air pressure balance in service sink, convenient for the unlatching of sealing cover.

In conclusion the utility model has the following beneficial effects:

1. catalyst module decomposes the ammonia released, three oxygen in the process of cleaning by the setting of emission-control equipment Change the irritative gas such as sulphur to enter in spray column by appendix, spray column carries out spray filtering to gas, and irritative gas is molten Yu Shuizhong, clean air discharge, atmosphere and environment are protected；

2. sealing cover is sealed service sink by the setting of sealing cover, prevent irritative gas from shedding, to atmosphere into Row pollution.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of embodiment；

Fig. 2 is the structural schematic diagram of soot blower in embodiment；

Fig. 3 is the structural schematic diagram of water washing device in embodiment；

Fig. 4 is the connection schematic diagram of acid dip pickle and emission-control equipment in embodiment；

Fig. 5 is the structural schematic diagram of service sink in embodiment；

Fig. 6 is the structural schematic diagram of sealing cover in embodiment；

Fig. 7 is the structural schematic diagram of air equalizer opening in embodiment；

Fig. 8 is the connection schematic diagram of thread barrel and mandril in embodiment；

Fig. 9 is the structural schematic diagram of opening device in embodiment.

In figure, 1, soot blower；11, cabinet；12, intake stack；13, dust discharge pipeline；14, bracket；15, recoil spray head； 2, water washing device；21, spraying rack；22, rack；23, pallet；24, spray head；3, acid dip pickle；31, service sink；311, aspirating hole； 312, control hole；313, locating piece；32, sealing cover；321, drainage trough；322, edge is sealed；323, sealant；324, air pressure balance Hole；33, rotation axis；34, flabellum is rotated；35, rotary electric machine；361, thread barrel；362, mandril；363, locating slot；371, it controls Bar；372, worm and gear；373, drive rod；374, bevel gear set；375, swing handle；381, sealing drum；382, fixed edge； 383, balancing spring；384, balance port；4, emission-control equipment；41, gas removing pipe；411, main pipeline；412, branch pipe(tube)；42, draw Blower；43, spray column；44, appendix；45, pipe joint；5, calciner is regenerated.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Wherein identical components are presented with like reference characters.It should be noted that word used in the following description Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" refers respectively to the direction towards or away from geometric center of specific component.

Embodiment:

A kind of denitrating catalyst regenerative system, such as Fig. 1, including soot blower 1, water washing device 2, acid dip pickle 3 and regeneration Calciner 5.Catalyst module successively passes through above-mentioned apparatus and is processed.

Such as Fig. 1, soot blower 1 carries out soot blowing to catalyst module, and the solid dirt in catalyst module is blown out, to urging Agent module is tentatively cleared up.

Such as Fig. 2, soot blower 1 includes cabinet 11, is communicated with intake stack 12 and dust discharge pipeline 13, cabinet 11 in cabinet 11 In be provided with bracket 14, several recoil spray heads 15 are installed, recoil spray head 15 is connected with intake stack 12, recoils and sprays on bracket 14 First 15 pairs of catalyst modules are rinsed, and the dust in catalyst module is blown out from catalyst module, and dust discharge pipeline 13 will Dust is sucked out out of cabinet 11.

Such as Fig. 3, catalyst module soot blowing is transported at water washing device 2 is rinsed later, further removes catalyst mould Solid dirt in block.

Such as Fig. 3, water washing device 2 includes spraying rack 21, rack 22 and pallet 23, and the upper end of spraying rack 21 is fixed with several sprays First 24 are rinsed catalyst module for spraying water, and rack 22 is fixed on the lower section of spraying rack 21.Pallet 23 is slidably connected to In rack 22, catalyst module is placed on pallet 23, pallet 23 drives catalyst module past back and forth below spraying rack 21 Multiple movement, spray head 24 are rinsed catalyst module, by catalyst module dust and solid impurity it is more comprehensive Removal.

Such as Fig. 4, progress pickling at acid dip pickle 3 is transported to after catalyst module washing.Acid dip pickle 3 is connected with exhaust gas Processing unit 4, catalyst module can generate the irritative gas such as a large amount of sulfur trioxides and ammonia, exhaust-gas treatment when carrying out pickling Device 4 carries out absorption processing to the part irritative gas, to protect to atmosphere.

Such as Fig. 4, acid dip pickle 3 includes several service sinks 31 interconnected, emission-control equipment 4 include gas removing pipe 41, Air-introduced machine 42 and spray column 43.Gas removing pipe 41 absorbs the irritative gas in service sink 31, and air-introduced machine 42 is by irritation Gas is introduced into spray column 43, and lye is equipped in spray column 43, and lye absorbs sulfur trioxide and ammonia, is purified Gas is discharged from spray column 43.

Such as Fig. 4, appendix 44 is equipped between air-introduced machine 42 and spray column 43, it is two sections that appendix 44, which is divided to, two sections of appendixs It is attached between 44 by air-introduced machine 42, total 44 one end of appendix is connected with spray column 43, the other end and 41 phase of gas removing pipe Even.The starting of air-introduced machine 42 to applying negative pressure in gas removing pipe 41, gas removing pipe 41 by the exhaust gas inspiration appendix 44 in service sink 31, Appendix 44 transports exhaust gas to being finally discharged in spray column 43.

Such as Fig. 4, gas removing pipe 41 includes main pipeline 411 and branch pipe(tube) 412, and 411 one end of main pipeline is connected with appendix 44, separately One end blocks.412 one end of branch pipe(tube) is connected with service sink 31, and the other end is connected with main pipeline 411.31 quantity of service sink is more, Branch pipe(tube) 412 is respectively arranged on corresponding 31 outer wall of service sink, and carries out absorption discharge to the exhaust gas in service sink 31.

Such as Fig. 4 and Fig. 5, several aspirating holes 311 are offered on service sink 31, the pipe of truncated rectangular pyramids shape is equipped in aspirating hole 311 Road connector 45, branch pipe(tube) 412 are connected by pipe joint 45 with aspirating hole 311.Branch pipe(tube) 412 passes through pipe joint 45 and pumping Hole 311 is connected, and the two can be effectively connected to by setting pipe joint 45；Pipe joint 45 is set as tetragonous bench-type, is convenient for gas Body flows into branch pipe(tube) 412 along its inclined inner wall.

Such as Fig. 4, service sink 31 is equipped with sealing cover 32, and sealing cover 32 is sealed service sink 31, prevents exhaust gas from shedding, Ensure that exhaust gas is discharged from gas removing pipe 41, to enhance degassing effect.

Such as Fig. 4, sealing cover 32 uses aluminum alloy material, mitigates the weight of sealing cover 32, facilitates taking for sealing cover 32.

Such as Fig. 5 and Fig. 6, the sealing of 32 lower surface of sealing cover being surrounded by straight down seals along 322 along 322 Wall is equipped with sealant 323, and sealant 323 uses rubber material.Sealing cover 32 covers when on service sink 31, the upper end of service sink 31 In the inner ring that sealing ring is formed.The outer wall of service sink 31 and the inner wall of sealant 323 contradict, to enhance sealing cover 32 Leakproofness prevents exhaust gas from overflowing.

Such as Fig. 5 and Fig. 6, the lower surface of sealing cover 32 offers several drainage troughs 321, the circumferential circle distribution of drainage trough 321, The center of sealing cover 32 is directed toward in 321 one end of drainage trough, and the other end is directed toward aspirating hole 311.Exhaust gas generates floating in service sink 31, Exhaust gas is moved along drainage trough 321 to aspirating hole 311.Drainage trough 321 is oriented to and is guided to the discharge of exhaust gas, prevents exhaust gas from existing It overflows in service sink 31, enhances expulsion efficiency.

Such as Fig. 5 and Fig. 6, a rotation axis 33 is equipped at the center of sealing cover 32, sealing is stretched out in the upper end of rotation axis 33 Lid 32 is simultaneously connected with rotary electric machine 35, and the lower end of rotation axis 33 puts in service sink 31 and is connected with rotation flabellum 34.Rotation electricity Machine 35 starts, and drives rotation flabellum 34 to rotate by rotation axis 33, rotation flabellum 34 generates suction, by the exhaust gas in service sink 31 Absorption upwards, exhaust gas is drawn at sealing cover 32, exhaust gas under the centrifugal force effect of rotation flabellum 34 around diffusion to from Aspirating hole 311 is discharged.Rotation flabellum 34 enhances the flowing velocity of exhaust gas in service sink 31, enhances the expulsion efficiency of exhaust gas.

Such as Fig. 5 and Fig. 7, air equalizer opening 324 is offered on sealing cover 32, sealing cover 32 is covered on service sink 31, clearly Gas in wash pool 31 in the state more sealed, service sink 31 is constantly extracted, and the pressure in service sink 31 reduces, close Capping 32 is covered under atmospheric pressure on service sink 31.When the catalyst module in service sink 31 to be taken out, open Air equalizer opening 324, air equalizer opening 324 are balanced the air pressure in service sink 31, facilitate the opening of sealing cover 32.

Such as Fig. 5 and Fig. 7, sealing drum 381, the hollow setting of sealing drum 381, sealing are slidably connected in air equalizer opening 324 381 upper end openings of cylinder.The balance port 384 being connected with 381 inner cavity of sealing drum is offered on the side wall of sealing drum 381.Sealing drum 381 when being placed in air equalizer opening 324, and balance port 384 is located in air equalizer opening 324, and air equalizer opening 324 is by balance port 384 are blocked, and are guaranteed leakproofness, are prevented exhaust gas from leaking.When air pressure reduces in service sink 31, external pressure presses sealing drum 381, sealing drum 381 declines, and balance port 384 is stretched out air equalizer opening 324 and is located in service sink 31, and outside air is from sealing drum 381 upper ends flow into, and enter in service sink 31 from the outflow of balance port 384.Air pressure in service sink 31 is balanced.

Such as Fig. 7, the upper end of sealing drum 381 is fixed with outwardly extending fixation along 382, fixed along 382 pairs of sealing drums 381 Motion path is defined.It is fixed to be contradicted along 382 with sealing cover 32 when sealing drum 381 moves downward, 381 Wuxi of sealing drum after Continuous decline, prevents sealing drum 381 from declining and excessively falls off out of air equalizer opening 324.

It is fixed to be equipped with balancing spring 383 between 382 lower surface and sealing cover 32 such as Fig. 5 and Fig. 7, air pressure balance it Afterwards, sealing drum 381 springs back reset under the action of balancing spring 383, and balance port 384 is blocked by air equalizer opening 324 again.It is flat Weighing apparatus spring 383 is supported to sealing drum 381 and applies support force, prevents sealing drum 381 under self gravity in air pressure balance It glides in hole 324, the inside and outside connection of service sink 31 causes exhaust gas to leak, influences air-tightness.

Such as Fig. 5, service sink 31 is interior to be equipped with the opening device for being used to open sealing cover 32.

Such as Fig. 8, opening device includes mandril 362, thread barrel 361 and control mechanism.It is opened up at four angles of service sink 31 There is vertical control hole 312, thread barrel 361 is rotationally connected in control hole 312, and 361 inner wall of thread barrel is equipped with internal screw thread, mandril 362 outer wall is equipped with external screw thread and is connected with 361 screw thread of thread barrel.Control mechanism controls the rotation of thread barrel 361.

Such as Fig. 8, control mechanism drives thread barrel 361 to rotate, and thread barrel 361 rotates, and mandril 362 is moved upwards from thread barrel 361 and control hole 312 in stretch out, see Fig. 4 with sealing cover 32() contradict, and sealing cover 32(is shown in into Fig. 4) upwards ejection.So that close Capping 32(is shown in Fig. 4) it is detached from service sink 31, sealing cover 32(is shown in Fig. 4 again by operator) remove and can make from mandril 362 With conveniently.

Such as Fig. 4 and Fig. 8, sealing cover 32 is covered on service sink 31, and the frictional force between sealing cover 32 and service sink 31 is larger It is not easily taken out.Upward support force is applied to sealing cover 32 by mandril 362 and overcomes rubbing between sealing cover 32 and service sink 31 Power is wiped, it is easy to use.

Such as Fig. 8, the upper end of thread barrel 361 is lower than the aperture of control hole 312, is fixed with inwardly at the aperture of control hole 312 The locating piece 313 of extension offers the locating slot 363 parallel with 362 axis of mandril, locating piece 313 on the outer wall of mandril 362 It is slidably connected in locating slot 363.When mandril 362 moves up and down, locating piece 313 slides in locating slot 363.Locating piece 313 It is defined with motion path of the locating slot 363 to mandril 362, guarantees that mandril 362 does linear movement, prevent mandril 362 and spiral shell Line cylinder 361 rotates synchronously, and influences the ejection of mandril 362.

Such as Fig. 9, control mechanism includes control-rod 371 and drive rod 373.Control-rod 371 is equipped with two and is horizontally disposed with, two Root control-rod 371 is parallel to each other, and a control-rod 371 is connected with two thread barrels 361 simultaneously.Control-rod 371 and thread barrel 361 Between be connected by worm and gear 372, control-rod 371 is equipped with worm screw, and the lower end of thread barrel 361 is coaxially fixed with worm gear, controls Bar 371 processed drives thread barrel 361 to rotate by worm and gear 372, to control the stretching of mandril 362.Worm and gear 372 has certainly Lock function can lock mandril 362, prevent 362 rotation of mandril influence sealing cover 32(see Fig. 4) ejection.

Such as Fig. 9, drive rod 373 is equipped with one, and drive rod 373 is horizontally disposed and is vertically connected with two control-rods 371.It passes It is connected between lever 373 and control-rod 371 by a pair of of bevel gear set 374.Drive rod 373 rotates, and drives two control-rods 371 Rotation.The end of drive rod 373 stretches out service sink 31(and sees Fig. 4) and it is equipped with swing handle 375.

Such as Fig. 9, operator drives drive rod 373 to rotate by swing handle 375, and drive rod 373 passes through bevel gear set 374 drive two control-rods 371 to rotate, and two control-rods 371 drive four thread barrels 361 to rotate by worm and gear 372, and four A mandril 362 ejects simultaneously, sees Fig. 4 to sealing cover 32() apply support force, sealing cover 32(is shown in into Fig. 4) jack up, to operate The personnel sealing cover 32(that takes is shown in Fig. 4), it is easy to use.

Such as Fig. 1, service sink 31 is broadly divided into medicament pond, ultrasonic cleaning pond, washing pool and active pond.Catalyst module according to It is secondary to be cleaned by each pond, eventually by active pond, active implantation is carried out, guarantees the activity of catalyst module.

Such as Fig. 1, catalyst module is dried after activity implantation by regenerating calciner 5.Regenerate calciner 5 Electric furnace is roasted using catalyst, drying roasting is carried out to catalyst module.Finally the activity of catalyst module is detected, so Packaging factory afterwards.

Specific implementation process: catalyst module successively passes through soot blower 1, water washing device 2, acid dip pickle 3 and regeneration roasting It burns device 5 and carries out reducing/regenerating processing, final packaging factory.Wherein catalyst module is when carrying out pickling, emission-control equipment 4 The exhaust gas generated when to catalyst module pickling absorbs, and protects to atmosphere.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (9)

1. a kind of denitrating catalyst regenerative system, including soot blower (1), water washing device (2), acid dip pickle (3) and regeneration roasting It burns device (5), it is characterised in that: it further include emission-control equipment (4), the acid dip pickle (3) includes several service sinks (31), The upper end of service sink (31) offers several aspirating holes (311), and the emission-control equipment (4) includes gas removing pipe (41), air inducing Machine (42) and spray column (43)；The gas removing pipe (41) is equipped with more and is connected respectively with aspirating hole (311), the air-introduced machine (42) It is connected with appendix (44), described appendix (44) one end is connected with gas removing pipe (41), and the other end is connected with spray column (43).

2. denitrating catalyst regenerative system according to claim 1, it is characterised in that: the gas removing pipe (41) includes supervisor Road (411) and several branch pipe(tube)s (412), described branch pipe(tube) (412) one end are connected with aspirating hole (311), the other end and main pipeline (411) it is connected, the end of the main pipeline (411) is connected with appendix (44).

3. denitrating catalyst regenerative system according to claim 2, it is characterised in that: the gas removing pipe (41) further includes four The pipe joint (45) of prismatic table shape, the pipe joint (45) are arranged between branch pipe(tube) (412) and aspirating hole (311).

4. denitrating catalyst regenerative system according to claim 1, it is characterised in that: the service sink (31) is equipped with close It covers (32), the lower surface of the sealing cover (32) is equipped with several drainage troughs (321), the circumferential circumference point of the drainage trough (321) The center of sealing cover (32) is directed toward in cloth, described drainage trough (321) one end, and the other end is directed toward aspirating hole (311).

5. denitrating catalyst regenerative system according to claim 4, it is characterised in that: at the center of the sealing cover (32) Be rotatably connected to rotation axis (33), the lower end of the rotation axis (33) is equipped with rotation flabellum (34), the rotation axis (33) it is upper End is connected with rotary electric machine (35) across sealing cover (32).

6. denitrating catalyst regenerative system according to claim 4, it is characterised in that: sealing cover (32) lower surface The sealing extended downwardly is surrounded by along (322), inner wall of the sealing along (322) is fixed with sealant (323), the cleaning The outer wall of pond (31) upper end and sealant (323) contradict.

7. denitrating catalyst regenerative system according to claim 6, it is characterised in that: four angles of the service sink (31) Place offers vertical control hole (312), is rotatably connected to thread barrel (361), the thread barrel in the control hole (312) (361) internal screw thread is connected with mandril (362), is equipped with horizontally disposed control-rod (371), the control in the service sink (31) It is connected between bar (371) processed and thread barrel (361) by worm and gear (372).

8. denitrating catalyst regenerative system according to claim 7, it is characterised in that: be equipped with two in the service sink (31) The control-rod (371) that root is parallel to each other, a control-rod (371) are connected with two thread barrels (361), two control-rods (371) Between be equipped be connected with a drive rod (373), pass through bevel gear set between the drive rod (373) and control-rod (371) (374) it is connected, the end of the drive rod (373) stretches out service sink (31) and is connected with swing handle (375).

9. denitrating catalyst regenerative system according to claim 4, it is characterised in that: offered on the sealing cover (32) Air equalizer opening (324), the interior sealing drum (381) for slidably connecting upper end opening of the air equalizer opening (324), the sealing The upper end of cylinder (381) is fixed with fixed edge (382), is equipped with balancing spring between the fixed edge (382) and sealing cover (32) (383), the balance port (384) being connected with sealing drum (381) inner cavity is offered on the outer wall of the sealing drum (381).