CN117247216A

CN117247216A - Municipal administration sludge treatment is with mummification equipment of burning

Info

Publication number: CN117247216A
Application number: CN202311228282.6A
Authority: CN
Inventors: 蔡明珠; 李小飞; 张�成; 吕金玲; 申强
Original assignee: Acre Coking and Refractory Engineering Consulting Corp MCC
Current assignee: Acre Coking and Refractory Engineering Consulting Corp MCC
Priority date: 2023-09-22
Filing date: 2023-09-22
Publication date: 2023-12-19

Abstract

The invention relates to the technical field of sludge treatment, in particular to drying incineration equipment for municipal sludge treatment. Including the shell, the bottom fixedly connected with supporting leg of shell, and the inside fixedly connected with drying cylinder of shell, a plurality of groups of fresh air inlet has been seted up on the drying cylinder, fixedly connected with multiunit baffle between drying cylinder and the shell, be provided with between two sets of baffles and form the cavity, and install the air-supply line with the cavity intercommunication on the shell, and the bottom intercommunication of drying cylinder has the discharging pipe that extends to the shell outside, sliding connection has the extrusion piece in the cavity, this municipal sludge treatment is with mummification incineration equipment, through being provided with the accuse casting die, make the pressure increase in the hot air inflow fresh air inlet, consequently, make the hot air can permeate to inside the mud, thereby reduce the time of high temperature operation, improve drying efficiency, consequently, the problem that the long drying efficiency of high temperature operation is low because the hot air current is difficult to get into inside mud when the mummification has been solved among the prior art.

Description

Municipal administration sludge treatment is with mummification equipment of burning

Technical Field

The invention relates to the technical field of sludge treatment, in particular to drying incineration equipment for municipal sludge treatment.

Background

The sediment discharged by the sewage treatment structure, wherein the sediment taking organic matters as main components is called sludge, has the characteristics of easy decomposition and stinking, thinner particles, smaller specific gravity, high water content and difficult dehydration, belongs to hydrophilic substances with colloidal structures, and needs to remove water as much as possible before the sludge is incinerated so as to facilitate better incineration, and the mode mainly adopted by the current drying has high temperature and extrusion.

At present, research shows that the dried sludge can be used as fuel, so that the sludge can be subjected to drying and incineration to utilize resources, the discharge of the sludge is reduced, and the environment is protected, so that the sludge drying and incineration has great significance. In the prior art, the sludge is generally dried by heating and drying the sludge by hot air flow, but because the sludge is high in viscosity, the sludge is easy to be viscous together when being dried, so that the hot air flow is difficult to penetrate into the sludge, the high-temperature operation time for drying the sludge is long, and the sludge drying efficiency is low. Therefore, we propose a drying and incinerating device for municipal sludge treatment.

Disclosure of Invention

The invention aims to provide drying and incinerating equipment for municipal sludge treatment, which solves the problems in the background technology.

In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:

the utility model provides a municipal sludge treatment is with mummification equipment of burning, includes the shell, the bottom fixedly connected with supporting leg of shell, just the inside fixedly connected with drying cylinder of shell, a plurality of groups fresh air inlet has been seted up on the drying cylinder, the drying cylinder with fixedly connected with multiunit baffle between the shell, per two groups be formed with the cavity between the baffle, and install on the shell with the air-supply line of cavity intercommunication, just the bottom intercommunication of drying cylinder has the discharging pipe that extends to the shell outside, the bottom intercommunication of discharging pipe has the material conveyer, the one end of material conveyer is connected with the incinerator, sliding connection has the extrusion piece in the cavity, the top fixedly connected with push rod of extrusion piece, the top fixedly connected with movable block of push rod, the surface cover of movable block is equipped with the sleeve pipe, fixedly connected with cover is located the first spring of push rod surface, the top of sleeve pipe is connected with and is used for controlling the inside atmospheric pressure of sleeve pipe and then drives the accuse casting die that the movable block removed.

Preferably, the pressure control piece comprises a fan cover arranged at the top end of the shell, a wind wheel is rotationally connected in the fan cover, a through hole is formed in the top end of the fan cover, a communicating piece is communicated with the other end of the fan cover, a plurality of groups of connecting pipes are connected to the communicating piece, the plurality of groups of connecting pipes are respectively communicated with the plurality of groups of sleeves, and the axis of the wind wheel is connected with a driving piece.

Preferably, the communicating element comprises a communicating pipe communicated with the fan cover, a collecting pipe is communicated with the bottom end of the communicating pipe, a plurality of groups of sealing pipes are communicated with the collecting pipe, sealing elements are arranged in the sealing pipes, and a plurality of groups of sealing pipes are respectively communicated with a plurality of groups of communicating pipes.

Preferably, the sealing element comprises a fixing plate fixed in the sealing tube, a plurality of groups of vent holes are formed in the fixing plate, a sliding column is connected to the fixing plate in a sliding mode, a sealing block is fixedly connected to the sliding column, a second spring is sleeved on the outer surface of the sliding column and is fixedly connected with the sealing block, a pushing element connected with the wind wheel is connected to the sealing block, and the pushing element is used for pushing the sealing block to move so that the sealing tube is communicated with the collecting tube.

Preferably, the pushing piece comprises a fixed disc fixed in the collecting pipe, a plurality of groups of first extrusion blocks are connected in a sliding mode in the fixed disc, connecting columns connected with the fixed disc in a sliding mode are fixedly connected to the first extrusion blocks, a plurality of groups of connecting columns are respectively fixedly connected with the sealing blocks, a second extrusion block is mounted on the outer side of the first extrusion blocks, a rotating block is fixedly connected to the second extrusion block, and a transmission piece connected with the wind wheel is connected to the axle center of the rotating block.

Preferably, the transmission piece comprises a rotating shaft fixedly connected with the wind wheel, one end of the rotating shaft is fixedly connected with a rotating disc, the bottom end of the rotating disc is fixedly connected with an incomplete gear ring, the inner side of the incomplete gear ring is meshed with a first flat gear rotationally connected with the wind cover, the outer side of the first flat gear is meshed with a second flat gear, and the axis of the second flat gear is fixedly connected with a transmission shaft fixedly connected with the rotating block.

Preferably, a plurality of groups of fixed rings are further installed in the drying tank, a plurality of groups of stirring blades are fixedly connected to the outer surface of each fixed ring, the fixed rings are arranged in a hollow mode, the fixed rings are communicated with the stirring blades, a plurality of groups of air outlet holes are formed in the bottom ends of the stirring blades, and rotating pieces are connected to the fixed rings.

Preferably, the rotating member comprises a rotating pipe fixedly connected with the wind wheel, the rotating pipe sequentially penetrates through the rotating shaft, the rotating disc, the second flat gear, the transmission shaft and the rotating block extend to the inside of the drying tank, the bottom end of the rotating pipe is communicated with a connector, and one end of the connector is communicated with a stirring pipe fixedly connected with the fixing ring.

Preferably, the stirring pipe is provided with a plurality of groups of first air inlet grooves communicated with the fixed ring, the rotating pipe is provided with a second air inlet groove, and the outer side of the rotating pipe is positioned at the position of the second air inlet groove and is provided with an air conveying pipe communicated with the fan housing.

Preferably, the driving piece comprises a shaft sleeve fixed at the top end of the fan housing, a motor is fixedly connected at the top end of the shaft sleeve, a coupler is fixedly connected at the output end of the motor, a driving shaft fixedly connected with the fan wheel is fixedly connected at one end of the coupler, and the driving shaft is rotationally connected with the fan housing.

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

according to the invention, the pressure control piece is arranged, so that when sludge is dried, extruded sludge is conveyed into the drying tank, hot air is conveyed into the drying tank through the action phase cavity of the air inlet pipe, the hot air enters the drying tank through the action of the air inlet hole, the sludge is heated and dried through the action of the hot air, in the process, the motor is enabled to operate through the starting of the pressure control piece, so that the motor drives the wind wheel to rotate, and then drives the rotating pipe to rotate, and the stirring tank is driven to rotate through the action of the connector, so that the stirring blade is driven to rotate, the drying efficiency is improved through the stirring action, wind power is generated while the wind wheel rotates, the wind power sequentially enters the inside of a plurality of groups of sleeves through the action of the pushing piece, the air pressure in the sleeves is increased after the inside of the sleeves receives the wind power, so that the movable block is driven to move, and the pushing rod drives the extrusion piece to move, so that the hot air flow in the cavity is extruded through the action of the extrusion piece, the hot air flow flows into the air inlet hole, so that the pressure of the hot air can permeate into the inside of the sludge, the sludge is reduced, the time of high-temperature operation is improved, the efficiency is improved, and the problem that the sludge is difficult to dry due to the low-temperature operation time of drying in the prior art when the sludge is dried inside the drying process.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is a schematic view of the whole cross-sectional structure of the present invention.

FIG. 3 is a schematic view of the connection structure of the pressure control member, the sleeve and the pressing piece.

FIG. 4 is a schematic view showing the internal structure of the extrusion chamber of the extrusion sheet of the present invention.

FIG. 5 is a schematic view of the structure of the area A in FIG. 4 according to the present invention.

FIG. 6 is a schematic view of the structure of the pressure control member of the present invention.

FIG. 7 is a schematic view of the structure of the area B in FIG. 6 according to the present invention.

FIG. 8 is a schematic view of the seal structure of the present invention.

FIG. 9 is a schematic view of the structure of the region C in FIG. 8 according to the present invention.

FIG. 10 is a schematic view of the connection structure of the pushing member and the sealing member according to the present invention.

FIG. 11 is a schematic view of the structure of the region D in FIG. 10 according to the present invention.

Fig. 12 is a schematic view of a connection structure between a pushing member and a wind wheel according to the present invention.

FIG. 13 is a schematic view of a sludge stirring structure according to the present invention.

FIG. 14 is a schematic view of the structure of the E region in FIG. 13 according to the present invention.

FIG. 15 is a schematic view showing the structure of blowing air into sludge.

Fig. 16 is a schematic view showing the connection structure of the rotary tube, the transmission shaft and the rotary shaft according to the present invention.

In the figure: 1-a housing; 2-supporting legs; 3-a drying tank; 4-an air inlet hole; 5-a separator; 6-a cavity; 7-an air inlet pipe; 8-a discharge pipe; 9-extruding the sheet; 10-pushing rod; 11-a movable block; 12-sleeve; 13-a first spring; 14-a pressure control member; 15-wind wheel; 16-a fan housing; 17-communicating members; 18-connecting pipes; 19-communicating pipe; 20-collecting tube; 21-sealing the tube; 22-seals; 23-a driving member; 24-fixing sheets; 25-ventilation holes; 26-sliding column; 27-a sealing block; 28-a second spring; 29-pushing member; 30-fixing a disc; 31-a first extrusion block; 32-connecting columns; 33-a second extrusion block; 34-rotating the block; 35-a transmission member; 36-rotating shaft; 37-rotating a disc; 38-an incomplete gear ring; 39-a first flat gear; 40-a second flat gear; 41-a transmission shaft; 42-fixing ring; 43-stirring the leaves; 44-an air outlet hole; 45-rotating member; 46-rotating the tube; 47-connecting heads; 48-stirring tube; 49-a first air inlet groove; 50-a second air inlet groove; 51-an air conveying pipe; 52-shaft sleeve; 53-motor; 54-coupling; 55-driving shaft; 56-a through hole; 57-conveyor; 58-incinerator.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.

As shown in fig. 1-16, a drying and incinerating device for municipal sludge treatment comprises a housing 1, the bottom fixedly connected with supporting leg 2 of housing 1, just the inside fixedly connected with drying drum 3 of housing 1, a plurality of groups of fresh air inlets 4 have been seted up on the drying drum 3, drying drum 3 with fixedly connected with multiunit baffle 5 between the housing 1, every two groups be formed with cavity 6 between the baffle 5, and install on housing 1 with the air-supply line 7 of cavity 6 intercommunication, just the bottom intercommunication of drying drum 3 has the discharging pipe 8 that extends to the outside of housing 1, the bottom intercommunication of discharging pipe 8 has the material conveyer 57, the one end of material conveyer 57 is connected with incinerator 58, sliding connection has extrusion piece 9 in the cavity 6, the top fixedly connected with push rod 10 of extrusion piece 9, the top fixedly connected with movable block 11 of push rod 10, the surface cover of movable block 11 is equipped with sleeve 12, sleeve 12 in fixedly connected with cover the first sleeve 12 of push rod 10 surface is located the top 13, the inside of sleeve 12 is connected with and is used for driving the movable sleeve 12 and is used for moving the inside of sleeve control press 11.

The control piece 14 comprises a fan housing 16 arranged at the top end of the shell 1, a wind wheel 15 is rotatably connected in the fan housing 16, a through hole 56 is formed in the top end of the fan housing 16, a communicating piece 17 is communicated with the other end of the fan housing 16, a plurality of groups of connecting pipes 18 are connected to the communicating piece 17, the plurality of groups of connecting pipes 18 are respectively communicated with the plurality of groups of sleeves 12, and a driving piece 23 is connected to the axis of the wind wheel 15.

The driving piece 23 comprises a shaft sleeve 52 fixed at the top end of the fan housing 16, a motor 53 is fixedly connected at the top end of the shaft sleeve 52, a coupler 54 is fixedly connected at the output end of the motor 53, a driving shaft 55 fixedly connected with the fan 15 is fixedly connected at one end of the coupler 54, and the driving shaft 55 is rotatably connected with the fan housing 16; the communicating part 17 comprises a communicating pipe 19 communicated with the fan housing 16, a collecting pipe 20 is communicated with the bottom end of the communicating pipe 19, a plurality of groups of sealing pipes 21 are communicated with the collecting pipe 20, sealing parts 22 are arranged in the sealing pipes 21, and a plurality of groups of sealing pipes 21 are respectively communicated with a plurality of groups of communicating pipes 19.

The sealing element 22 comprises a fixing plate 24 fixed in the sealing tube 21, a plurality of groups of ventilation holes 25 are formed in the fixing plate 24, a sliding column 26 is connected to the fixing plate 24 in a sliding mode, a sealing block 27 is fixedly connected to the sliding column 26, a second spring 28 sleeved on the outer surface of the sliding column 26 is fixedly connected between the sealing block 27 and the fixing plate 24, a pushing element 29 connected with the wind wheel 15 is connected to the sealing block 27, and the pushing element 29 is used for pushing the sealing block 27 to move so that the sealing tube 21 is communicated with the collecting tube 20.

The pushing member 29 comprises a fixed disc 30 fixed in the collecting pipe 20, a plurality of groups of first extrusion blocks 31 are slidably connected in the fixed disc 30, a plurality of groups of connecting columns 32 are fixedly connected to the first extrusion blocks 31 and are slidably connected with the fixed disc 30, the plurality of groups of connecting columns 32 are fixedly connected with the plurality of groups of sealing blocks 27 respectively, a second extrusion block 33 is mounted on the outer side of the first extrusion block 31, a rotating block 34 is fixedly connected to the second extrusion block 33, and a transmission member 35 connected with the wind wheel 15 is connected to the axle center of the rotating block 34.

The transmission member 35 comprises a rotation shaft 36 fixedly connected with the wind wheel 15, one end of the rotation shaft 36 is fixedly connected with a rotation disc 37, the bottom end of the rotation disc 37 is fixedly connected with an incomplete gear ring 38, the inner side of the incomplete gear ring 38 is meshed with a first flat gear 39 rotationally connected with the wind cover 16, the outer side of the first flat gear 39 is meshed with a second flat gear 40, and the axis of the second flat gear 40 is fixedly connected with a transmission shaft 41 fixedly connected with the rotation block 34.

A plurality of groups of fixed rings 42 are further installed in the drying tank 3, a plurality of groups of stirring blades 43 are fixedly connected to the outer surface of each fixed ring 42, each fixed ring 42 and each stirring blade 43 are arranged in a hollow mode, each fixed ring 42 is communicated with each stirring blade 43, a plurality of groups of air outlet holes 44 are formed in the bottom end of each stirring blade 43, and a rotating piece 45 is connected to each fixed ring 42; the rotating member 45 includes a rotating tube 46 fixedly connected with the wind wheel 15, the rotating tube 46 sequentially penetrates through the rotating shaft 36, the rotating disc 37, the second flat gear 40, the transmission shaft 41 and the rotating block 34 and extends to the inside of the drying tank 3, a connector 47 is communicated with the bottom end of the rotating tube 46, and a stirring tube 48 fixedly connected with the fixing ring 42 is communicated with one end of the connector 47.

The stirring pipe 48 is provided with a plurality of groups of first air inlet grooves 49 communicated with the fixed ring 42, the rotating pipe 46 is provided with a second air inlet groove 50, and an air delivery pipe 51 communicated with the fan housing 16 is arranged on the outer side of the rotating pipe 46 at the position of the second air inlet groove 50.

When the sludge is dried, firstly, the sludge which is primarily dehydrated after extrusion is conveyed into the drying tank 3, at the moment, hot air flow is conveyed into the cavity 6 through the action of the air inlet pipe 7, at the moment, the hot air flow enters the drying pipe to be in contact with the sludge through the action of the air inlet hole 4, so that the sludge is heated and dried through the action of the hot air flow, in the process, the motor 53 is started, the motor 53 drives the coupler 54 to rotate, the driving shaft 55 is driven to rotate, the wind wheel 15 is driven to rotate, the rotating pipe 46 is driven to rotate, the connector 47 is driven to rotate, the stirring pipe 48 is driven to rotate, the stirring blade 43 is driven to rotate, the sludge is stirred through the action of the stirring blade 43, the hot air flow can be in uniform contact with the sludge, the heating efficiency is improved, and wind power can be generated when the wind wheel 15 rotates, the wind blows into the communicating pipe 19 through the bottom end of the fan housing 16, then enters the collecting pipe 20 through the communicating pipe 19, enters the air delivery pipe 51 through the collecting pipe 20, at this time, the wind enters the rotating pipe 46 through the action of the second air inlet groove 50, enters the fixed ring 42 through the action of the first air inlet groove 49, finally enters the stirring blade 43 and is discharged through the air outlet hole 44, so that the wind finally blows into the sludge to dry the sludge, the drying of the sludge is accelerated, the wind in the collecting pipe 20 also enters the sealing pipe 21 communicated with the collecting pipe 20 through the action of the sealing block 27 pushed by the pushing piece 29, after entering the sealing pipe 21, the wind enters the sleeve 12 through the action of the connecting pipe 18, so that the air pressure in the sleeve 12 is increased, the movable block 11 is moved through the action of the air pressure, and the push rod 10 is driven to move, and then drive extrusion piece 9 remove, and then extrude the inside hot air current of cavity 6 through the effect of extrusion piece 9 for the inside velocity of flow increase of hot air current entering through-hole 56, and then make hot air current can permeate to mud depths, further improve drying efficiency.

Notably, are: when the pushing piece 29 works, the rotation of the wind wheel 15 drives the rotation shaft 36 to rotate, and then drives the rotation disc 37 to rotate, so that the incomplete gear ring 38 is driven to rotate, and then drives the first flat gear 39 to rotate, and then drives the second flat gear 40 to rotate, so that the transmission shaft 41 is driven to rotate, and then drives the rotating block 34 to rotate, and thus drives the second extruding block 33 to rotate, when the second extruding block 33 rotates to be in contact with the first extruding block 31, the second extruding block 33 will extrude the first extruding block 31 to move, so that the connecting column 32 fixedly connected with the second extruding block 33 is driven to move, so that the sealing block 27 is driven to move, so that the current sealing pipe 21 is communicated with the collecting pipe 20, wind force enters the sealing pipe 21, other sealing blocks 27 are not moved, the sealing pipe 21 and the collecting pipe 20 are not communicated, so that the wind force does not enter the other sealing pipes 21, and when the rotating block 34 continuously drives the second extruding block 33 to rotate, the second extruding block 34 will sequentially contact and extrude the remaining first extruding block 31, so that the set of sealing pipes 21 are sequentially communicated with the collecting pipe 20, so that the set of the sealing pipes 21 and the multiple sets of hot air flow 9 are sequentially extruded by the inner cavities 6.

Of particular note are: after the extrusion is completed, the first extrusion block 31 is separated from the second extrusion block 33, at this time, the sealing block 27 is reset by the action of the second spring 28 so that the sealing tube 21 is sealed again, at this time, the push rod 10 is reset by the action of the first spring 13, and the next extrusion operation is prepared.

Also notable is that: in the drying process, the hot air flow can be always conveyed to the inside of the drying tank 3, the extrusion sheets 9 can be extruded one by one, and the drying efficiency of the sludge is improved), and the following is specifically described: the diameter of the first flat gear 36 is smaller than the diameter of the second flat gear 40 in this solution, and the number of teeth of the incomplete gear ring 38 is smaller than 1/4, so that the rotation speed of the second flat gear 40 is guaranteed to be slow, so that the time for which the first extrusion block 31 and the second extrusion block 33 are separated is longer, and therefore, enough wind force is guaranteed to blow into the sleeve 12 to enable the extrusion sheet 9 to move.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Drying incineration equipment for municipal sludge treatment, which is characterized in that:

the novel drying device comprises a shell (1), wherein the bottom end of the shell (1) is fixedly connected with supporting legs (2), the interior of the shell (1) is fixedly connected with a drying tank (3), and a plurality of groups of air inlet holes (4) are formed in the drying tank (3);

a plurality of groups of partition boards (5) are fixedly connected between the drying tank (3) and the shell (1), a cavity (6) is formed between every two groups of partition boards (5), an air inlet pipe (7) communicated with the cavity (6) is arranged on the shell (1), a discharging pipe (8) extending to the outer side of the shell (1) is communicated with the bottom end of the drying tank (3), a material conveying machine (57) is communicated with the bottom end of the discharging pipe (8), and an incinerator (58) is connected with one end of the material conveying machine (57);

the novel movable push rod is characterized in that an extrusion sheet (9) is connected in the cavity (6) in a sliding mode, a push rod (10) is fixedly connected to the top end of the extrusion sheet (9), a movable block (11) is fixedly connected to the top end of the push rod (10), a sleeve (12) is sleeved on the outer surface of the movable block (11), a first spring (13) is fixedly connected in the sleeve (12) and sleeved on the outer surface of the push rod (10), and a pressure control part (14) used for controlling air pressure inside the sleeve (12) and then driving the movable block (11) to move is connected to the top end of the sleeve (12).

2. The drying and incinerating device for municipal sludge treatment according to claim 1, wherein:

the control casting die (14) including install in fan housing (16) on shell (1) top, the inside rotation of fan housing (16) is connected with wind wheel (15), just through-hole (56) have been seted up on the top of fan housing (16), the other end intercommunication of fan housing (16) has communication piece (17), be connected with multiunit connecting pipe (18) on communication piece (17), multiunit connecting pipe (18) respectively with multiunit sleeve pipe (12) intercommunication setting, just the axle center of wind wheel (15) is connected with driving piece (23).

3. The drying and incinerating device for municipal sludge treatment according to claim 2, wherein:

the communicating piece (17) comprises a communicating pipe (19) communicated with the fan housing (16), a collecting pipe (20) is communicated with the bottom end of the communicating pipe (19), a plurality of groups of sealing pipes (21) are communicated with the collecting pipe (20), sealing pieces (22) are arranged in the sealing pipes (21), and a plurality of groups of sealing pipes (21) are respectively communicated with a plurality of groups of communicating pipes (19).

4. A municipal sludge treatment drying and incinerating apparatus according to claim 3, wherein:

sealing member (22) including being fixed in stationary blade (24) in sealed tube (21), set up a plurality of groups ventilation hole (25) on stationary blade (24), just sliding connection has slip post (26) on stationary blade (24), fixedly connected with sealing block (27) on slip post (26), sealing block (27) with fixedly connected with cover is located between stationary blade (24) second spring (28) of slip post (26) surface, just be connected with on sealing block (27) with impeller (29) that wind wheel (15) are connected, impeller (29) are used for promoting sealing block (27) remove and then make sealed tube (21) with collecting tube (20) intercommunication.

5. The drying and incinerating device for municipal sludge treatment according to claim 4, wherein:

the pushing piece (29) comprises a fixed disc (30) fixed in the collecting pipe (20), a plurality of groups of first extrusion blocks (31) are connected in a sliding mode in the fixed disc (30), connecting columns (32) connected with the fixed disc (30) in a sliding mode are fixedly connected to the first extrusion blocks (31), a plurality of groups of connecting columns (32) are respectively connected with a plurality of groups of sealing blocks (27) in a fixed mode, a second extrusion block (33) is mounted on the outer side of the first extrusion blocks (31), a rotating block (34) is fixedly connected to the second extrusion block (33), and a transmission piece (35) connected with the wind wheel (15) is connected to the axis of the rotating block (34).

6. The drying and incinerating device for municipal sludge treatment according to claim 5, wherein:

the transmission piece (35) comprises a rotating shaft (36) fixedly connected with the wind wheel (15), one end of the rotating shaft (36) is fixedly connected with a rotating disc (37), the bottom end of the rotating disc (37) is fixedly connected with an incomplete gear ring (38), a first flat gear (39) rotationally connected with the wind cover (16) is meshed with the inner side of the incomplete gear ring (38), a second flat gear (40) is meshed with the outer side of the first flat gear (39), and a transmission shaft (41) fixedly connected with the rotating block (34) is fixedly connected with the axle center of the second flat gear (40).

7. The drying and incinerating device for municipal sludge treatment according to claim 6, wherein:

still install multiunit solid fixed ring (42) in drying cylinder (3), the surface fixedly connected with multiunit stirring leaf (43) of solid fixed ring (42), gu fixed ring (42) with stirring leaf (43) are hollow setting, just gu fixed ring (42) with stirring leaf (43) intercommunication sets up, a plurality of groups apopore (44) have been seted up to stirring leaf (43)'s bottom, be connected with on the fixed ring (42) and rotate piece (45).

8. The drying and incinerating device for municipal sludge treatment according to claim 7, wherein:

the rotating piece (45) comprises a rotating pipe (46) fixedly connected with the wind wheel (15), the rotating pipe (46) sequentially penetrates through the rotating shaft (36), the rotating disc (37), the second flat gear (40), the transmission shaft (41) and the rotating block (34) extend to the inside of the drying tank (3), a connector (47) is communicated with the bottom end of the rotating pipe (46), and a stirring pipe (48) fixedly connected with the fixed ring (42) is communicated with one end of the connector (47).

9. The drying and incinerating device for municipal sludge treatment according to claim 8, wherein:

a plurality of groups of first air inlet grooves (49) communicated with the fixed ring (42) are formed in the stirring pipe (48), a second air inlet groove (50) is formed in the rotating pipe (46), and an air conveying pipe (51) communicated with the fan housing (16) is arranged on the outer side of the rotating pipe (46) at the position of the second air inlet groove (50).

10. The drying and incinerating device for municipal sludge treatment according to claim 9, wherein:

the driving piece (23) comprises a shaft sleeve (52) fixed at the top end of the fan housing (16), a motor (53) is fixedly connected to the top end of the shaft sleeve (52), a coupler (54) is fixedly connected to the output end of the motor (53), a driving shaft (55) fixedly connected with the fan wheel (15) is fixedly connected to one end of the coupler (54), and the driving shaft (55) is rotatably connected with the fan housing (16).