CN113019045B

CN113019045B - Dust-containing steam cooling and dust removing system of sludge paddle dryer

Info

Publication number: CN113019045B
Application number: CN202110229934.2A
Authority: CN
Inventors: 马明亮; 魏文荣; 彭延松; 时红霞; 张树伟; 杨红彩; 沈文婷
Original assignee: Beijing Triumph International Engineering Co ltd
Current assignee: Beijing Triumph International Engineering Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2022-07-01
Anticipated expiration: 2041-03-02
Also published as: CN113019045A

Abstract

The utility model relates to a mud paddle desiccator dust-laden vapor cooling dust pelletizing system, belong to sludge treatment technical field, the collection problem to less particle diameter dust is difficult to realize provides following technical scheme, the technical essential of this application includes mud paddle desiccator, cyclone, deodorizing system, pyrohydrolysis system, cyclone includes cyclone, cyclone's inlet end is connected with the draught fan, give vent to anger end and deodorizing system intercommunication, the discharge gate has been seted up to the cyclone bottom wall, the inside condensation dust removal subassembly that is provided with of cyclone, condensation dust removal subassembly includes blade divertor and condenser tube, the blade divertor sets up in the top of condenser tube, cyclone's below is provided with the solid-liquid separation case, discharge gate and solid-liquid separation case intercommunication, solid-liquid separation case and pyrohydrolysis system intercommunication. This application has the advantage of the volume of collecting of dust in the improvement to dusty vapor.

Description

Dust-containing steam cooling and dust removing system of sludge paddle dryer

Technical Field

The application relates to the technical field of sludge treatment, in particular to a cooling and dust removing system for dust-containing steam of a sludge paddle dryer.

Background

The oily sludge generated in the crude oil exploitation process mainly comes from a ground treatment system, oil tank bottom mud, oily sludge generated in the oilfield produced water treatment process, and flocs, equipment and pipeline corrosion products, dirt, bacteria and the like formed by a large amount of water purifiers such as a coagulant, a corrosion inhibitor, a scale inhibitor, a bactericide and the like added in the sewage purification treatment. As the production of sludge continues to increase rapidly, enormous pressure is placed on the environment. If the treatment is improper, serious pollution problems can be caused, and potential safety hazards are caused.

Referring to fig. 1, in the existing sludge treatment process, sludge is injected into a sludge paddle dryer 1, the sludge is dehydrated and dried under the action of the sludge paddle dryer 1, dust-containing vapor is discharged, the dust-containing vapor is introduced into a cyclone separator 21, the cyclone separator 21 can introduce clean gas in the dust-containing vapor into a condenser 30, the vapor in the clean gas is condensed in the condenser 30 to form condensed water, the condensed water is collected in a water tank 40, and the condensed water is pumped to a thermal hydrolysis system 4 through a water pump 6 for recycling; (ii) a The solid particles in the dusty water vapor can be thrown against the outer wall surface by the centrifugal force of the cyclone 21 and fall along the outer wall surface into the bottom hopper 212.

Because the cyclone separator 21 is mainly used for collecting dust with the particle size of more than 10 μm, when the dust-containing vapor carries dust with smaller particle size, the dust with smaller particle size is not easy to fall into the dust collecting hopper 212 under the action of the cyclone separator 21, and the collection of the dust with smaller particle size is not easy to realize, thereby causing the blockage of the pipeline in the subsequent working section.

Disclosure of Invention

In order to improve the collection volume to dust among the dust-laden vapor, this application provides a mud paddle desiccator dust-laden vapor cooling dust pelletizing system, adopts following technical means:

a dust-containing vapor cooling and dust removing system of a sludge paddle dryer comprises the sludge paddle dryer, a cyclone dust removing device, a deodorizing system and a thermal hydrolysis system, wherein the cyclone dust removing device comprises a cyclone separator, the air inlet end of the cyclone separator is connected with an induced draft fan, an air outlet end and the deodorizing system, the induced draft fan can introduce dust-containing vapor in the sludge paddle dryer into the cyclone separator, the bottom wall of the cyclone separator is provided with a discharge hole, a condensation dust removing assembly is arranged inside the cyclone separator, the condensation dust removing assembly is arranged between the air inlet end of the cyclone separator and the air outlet end of the cyclone separator, the condensation dust removing assembly comprises a blade fluid director and a cooling water pipe, the blade fluid director is arranged above the cooling water pipe, a solid-liquid separation box is arranged below the cyclone separator, and the discharge hole is communicated with the solid-liquid separation box, the solid-liquid separation box is communicated with the thermal hydrolysis system.

By adopting the technical scheme, the sludge is injected into the sludge paddle dryer, the sludge is dehydrated and dried under the action of the sludge paddle dryer and dust-containing vapor is discharged, the induced draft fan is started to introduce the dust-containing vapor into the air inlet end of the cyclone separator and into the cyclone separator, the dust-containing vapor is firstly contacted with the cooling water pipe in the cyclone separator, part of the vapor can be condensed into condensate water under the cooling action of the cooling water pipe, part of the vapor passes through the blade flow director, the vapor passes through the blade flow director to generate high-speed centrifugal motion, fine fog drops collide with each other and are condensed under the action of centrifugal force to form larger liquid drops, in the process, small particle dust in the vapor is completely captured, the liquid drops are thrown to the inner wall of the cyclone separator, and the liquid drops losing kinetic energy flow out of the discharge port along the inner wall of the cyclone separator and enter the solid-liquid separation box, then the mixture is sent to a thermal hydrolysis system for recycling; the non-condensable gas is sent to an odor treatment system through the gas outlet end of the cyclone separator.

Optionally, the cooling water pipe has set firmly a plurality of atomizer, and is a plurality of atomizer evenly distributed along cooling water pipe's circumferential direction.

Through adopting above-mentioned technical scheme, atomizer can be with inside partial water of condenser tube with vaporific blowout, atomizing water can be with large granule dust parcel in the dust-laden vapor for the large granule dust can receive gravity to drop to the inside of solid-liquid separation case.

Optionally, the cooling water pipes are multiple, the multiple cooling water pipes are arranged at equal intervals along the axial direction of the cyclone separator, and the adjacent cooling water pipes are communicated with each other.

Through adopting above-mentioned technical scheme, increase dusty vapor and condenser tube's area of contact improves the condensation efficiency to vapor.

Optionally, cooling water pipe encloses into the annular, and a plurality of cooling water pipe's external diameter reduces from last to down gradually, and the atomizer spraying range that is located on the cooling water pipe of top can cover the interval between the adjacent cooling water pipe.

By adopting the technical scheme, the multi-stage treatment of the water vapor can be realized in the process of rising the water vapor, and the multi-stage condensation of the water vapor can be realized by arranging the plurality of cooling water pipes, so that the cooling efficiency of the water vapor is improved; the interval between the adjacent cooling water pipes can be covered by the atomizing nozzle spraying range on the cooling water pipe above, so that the contact area of atomized water and dust is enlarged, and the small-particle dust is difficult to overflow through the interval between the adjacent cooling water pipes.

Optionally, a deflection assembly is arranged between the blade flow guider and the air outlet end of the cyclone separator, the deflection assembly comprises a plurality of deflection plates and a fixing rod fixedly arranged in the cyclone separator, the fixing rod is horizontally arranged, the plurality of deflection plates are uniformly distributed along the length direction of the fixing rod, and an air passage is defined by adjacent deflection plates.

Through adopting above-mentioned technical scheme, baffling subassembly can reduce tiny dirty water droplet in the dirty vapor and rise.

Optionally, the inside crushing pole that sets up of cyclone, crushing pole set up in cyclone's inlet end below, crushing pole and cyclone's interior perisporium laminating, cyclone is provided with the drive assembly that can drive crushing pole circumferential direction.

Through adopting above-mentioned technical scheme, drive broken pole circumferential direction through drive assembly, because broken pole and cyclone's interior perisporium laminating for broken pole can strike off the dust of adhesion at cyclone inner wall at the pivoted in-process, can accelerate the flow velocity of discharge gate department material simultaneously, makes the difficult discharge gate that blocks up of dust.

Optionally, the driving assembly includes a driving motor, a driving gear fixedly arranged at an output end of the driving motor, and a driven gear engaged with the driving gear, and the crushing rod and the driven gear rotate coaxially.

Through adopting above-mentioned technical scheme, start driving motor, driving motor can drive the driving gear synchronous revolution for driven gear can drive broken pole synchronous revolution, realizes the rotation drive to broken pole because driving gear and driven gear meshing for driven gear can drive broken pole synchronous revolution.

Optionally, the inside of solid-liquid separation case has set firmly the division board, the division board is vertical setting, the overflow hole has been seted up to the division board, the division board separates the inside of solid-liquid separation case into room and the header chamber of stewing, and the room and the header chamber of stewing pass through the overflow hole intercommunication, room and the discharge gate intercommunication of stewing.

Through adopting above-mentioned technical scheme, the inside that carries the sewage of dust and get into solid-liquid separation case through the discharge gate, and sewage is at the indoor portion deposit that stews earlier for granular dust can be in the room bottom wall that stews and subsides, and it is inside that the inside upper clear water of room that stews can get into the collecting chamber through the overflow hole, then sends into the ponding of collecting chamber inside into pyrohydrolysis system recycle.

Optionally, the inside sliding connection of room of stewing has the filter screen, the solid-liquid separation case is provided with the vibrations subassembly that can drive the filter screen vibrations.

Through adopting above-mentioned technical scheme, can filter the partial large granule dust in the sewage through setting up the filter screen, through setting up vibrations subassembly for the difficult filter screen that blocks up of large granule dust keeps the filter effect of filter screen.

Optionally, the vibration assembly includes a push rod horizontally disposed below the filter screen and a transmission motor driving the push rod to rotate, and the push rod is fixedly provided with a plurality of cams along a radial direction thereof.

Through adopting above-mentioned technical scheme, start drive motor, drive motor can drive the push rod and rotate in step, when the bellying and the filter screen contact of cam, can with filter screen jack-up, when the cam removes the jacking force to the filter screen, the filter screen can drop to the original place under the effect of self gravity, realizes the vibrations effect to the filter screen.

In summary, the present application has the following beneficial effects:

firstly, a condensation dust removal assembly is arranged in a cyclone separator, dust-containing water vapor is firstly contacted with a cooling water pipe in the cyclone separator, part of water vapor can be condensed into condensed water under the cooling effect of the cooling water pipe, part of water vapor can pass through a blade flow guider, the water vapor generates high-speed centrifugal motion through the blade flow guider, fine droplets collide and agglomerate with each other under the action of centrifugal force to form larger droplets, in the process, small particle dust in the water vapor is completely captured, the droplets are thrown to the inner wall of the cyclone separator, the droplets losing kinetic energy flow out of a discharge port along the inner wall of the cyclone separator and enter the inside of a solid-liquid separation box, the collection of the small particle dust in the dust-containing water vapor is realized, and the collection amount of the dust in the dust-containing water vapor is improved;

secondly, part of water inside the cooling water pipe can be sprayed out in a fog shape by arranging the atomizing nozzle on the cooling water pipe, and atomized water can wrap large particle dust in the dust-containing water vapor, so that the large particle dust can fall into the solid-liquid separation box under the action of gravity, collection of large particle dust and small particle dust of the dust-containing water vapor can be realized under the action of the atomizing nozzle and the condensation dust removal assembly, and overflow of the dust is reduced;

thirdly, due to the arrangement of the crushing rod, the crushing rod is attached to the inner peripheral wall of the cyclone separator, so that dust adhered to the inner wall of the cyclone separator can be scraped off by the crushing rod in the rotating process, and the flowing speed of materials at the discharge port can be accelerated, so that the discharge port is not easily blocked by the dust;

fourth, through set up division board and filter screen in solid-liquid separation incasement portion, can realize reducing the jam condition to follow-up workshop section pipeline to the preliminary treatment of discharge gate outflow sewage.

Drawings

FIG. 1 is a flow chart of a sludge drying treatment performed by a dust-containing steam cooling and dedusting system of a sludge paddle dryer in the prior art;

FIG. 2 is a flow chart of a sludge drying treatment performed by the dust-containing steam cooling and dedusting system of the sludge paddle dryer in the embodiment of the present application;

FIG. 3 is a schematic view of a connection relationship between a cyclone dust removal device and a solid-liquid separation box of a dust-containing steam cooling dust removal system of a sludge paddle dryer according to an embodiment of the present application;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a sectional view taken along line A-A of FIG. 4;

FIG. 6 is an enlarged view of portion B of FIG. 5;

FIG. 7 is a schematic view showing the connection among the dust hopper, the crushing rod, the driving motor, the driving gear and the driven gear in the embodiment of the present application;

fig. 8 is a schematic view of the connection relationship between the filter screen and the vibrating assembly in the embodiment of the present application.

In the figure, 1, a sludge paddle dryer; 2. a cyclone dust removal device; 21. a cyclone separator; 211. a housing; 2111. an air inlet; 2112. a gas outlet; 212. a dust collecting hopper; 2121. a discharge port; 2122. sealing the inclined plate; 22. a condensing and dedusting assembly; 221. a cooling water pipe; 222. a blade deflector; 223. a communicating pipe; 224. an atomizing spray head; 3. a deodorizing system; 4. a thermal hydrolysis system; 5. an induced draft fan; 6. a water pump; 7. a baffle assembly; 71. a baffle plate; 711. a gas passage; 72. fixing the rod; 81. a breaking bar; 82. a drive assembly; 821. a drive motor; 822. a driving gear; 823. a driven gear; 9. a solid-liquid separation tank; 91. a material passing port; 92. a standing chamber; 921. a limit ring plate; 93. a water collection chamber; 94. a partition plate; 941. an overflow aperture; 10. a filter screen; 101. a butting ring; 102. abutting the edges; 20. a vibration assembly; 201. a push rod; 202. a drive motor; 203. a cam; 2031. a lifting and falling groove; 30. a condenser; 40. a water tank.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 2, the cooling and dedusting system for the dust-containing vapor of the sludge paddle dryer disclosed by the application comprises a sludge paddle dryer 1, a cyclone dedusting device 2, a deodorizing system 3 and a thermal hydrolysis system 4, wherein the sludge paddle dryer 1 can dehydrate and dry sludge and discharge the dust-containing vapor.

With reference to fig. 2 and 3, an induced draft fan 5 is fixedly installed between the cyclone dust collector 2 and the sludge paddle dryer 1, the air inlet end of the induced draft fan 5 is communicated with the air outlet end of the sludge paddle dryer 1, the air outlet end of the induced draft fan 5 is communicated with the cyclone dust collector 2, and dust-containing vapor in the sludge paddle dryer 1 can be introduced into the cyclone dust collector 2.

Referring to fig. 4 and 5, the cyclone device 2 includes a cyclone 21 and a condensing dust removing unit 22, and the condensing dust removing unit 22 is installed inside the cyclone 21.

With reference to fig. 2 and 5, the cyclone separator 21 includes a housing 211, the housing 211 is a cylinder with a lower opening, the housing 211 is vertically disposed, an air inlet 2111 is disposed at an edge of a side wall of the housing 211 close to the lower opening, an air outlet 2112 is disposed at a center of a top of the housing 211, and the air outlet 2112 is communicated with the deodorization system 3.

Referring to fig. 5, the condensing dust removing assembly 22 is installed inside the housing 211. The condensing dust removing assembly 22 is disposed between the gas outlet 2112 and the gas inlet 2111. The condensing dust-removing assembly 22 comprises a cooling water pipe 221 fixedly arranged on the inner peripheral wall of the housing 211 and a blade deflector 222 fixedly arranged inside the housing 211, wherein the cooling water pipe 221 and the blade deflector 222 are arranged at intervals from top to bottom along the axial direction of the housing 211.

Referring to fig. 5, the cooling water pipe 221 is fixedly disposed above the air inlet 2111, the cooling water pipe 221 is disposed in a ring shape, and an axis of the cooling water pipe 221 coincides with an axis of the housing 211. The cooling water pipes 221 are plural, the plural cooling water pipes 221 are arranged at equal intervals from top to bottom along the axial direction of the housing 211, and the diameters of the plural cooling water pipes 221 are gradually reduced from top to bottom. One end of the cooling water pipe 221 located above extends to the outside of the housing 211. A plurality of communicating pipes 223 are fixedly arranged between the adjacent cooling water pipes 221, the communicating pipes 223 are uniformly distributed along the circumferential direction of the cooling water pipes 221, the adjacent cooling water pipes 221 are communicated with each other, and water vapor can be in contact with the cooling water pipes 221 to be condensed to form condensed water.

Referring to fig. 5, a plurality of atomizing nozzles 224 are fixedly installed on the cooling water pipe 221 toward one side of the lower end opening of the housing 211, the plurality of atomizing nozzles 224 are uniformly distributed along the circumferential direction of the cooling water pipe 221, the spraying range of the plurality of atomizing nozzles 224 located on the same cooling water pipe 221 can cover the area of the radial direction of the housing 211, the spraying range of the atomizing nozzles 224 located on the upper cooling water pipe 221 can cover the interval between the adjacent cooling water pipes 221, the radial direction of the housing 211 can be fully covered, the atomizing nozzles 224 can spray water inside the cooling water pipe 221 in a mist shape, the atomized water can wrap large-particle dust in dust-containing water vapor, and the large-particle dust can be dropped by gravity.

Referring to fig. 5, the blade deflector 222 is fixedly installed between the cooling water pipe 221 and the gas outlet 2112, the water vapor passes through the blade deflector 222 to generate high-speed centrifugal motion, fine mist drops collide with each other and are condensed under the action of centrifugal force to form larger liquid drops, in the process, small particle dust in the water vapor is completely captured, the liquid drops are thrown to the inner wall of the cyclone separator 21, and the liquid drops losing kinetic energy flow out along the inner wall of the cyclone separator 21.

With reference to fig. 5 and 6, a baffle assembly 7 is disposed directly above the vane deflector 222, the baffle assembly 7 being located between the gas outlet 2112 and the vane deflector 222. The baffle assembly 7 comprises a plurality of baffle plates 71 and fixing rods 72 fixedly arranged inside the cyclone separator 21, the fixing rods 72 are horizontally arranged, the fixing rods 72 are arranged in a plurality, the fixing rods 72 are parallel and arranged at intervals, and two ends of each fixing rod 72 are fixedly connected with the inner wall of the shell 211 respectively. The baffle plates 71 are fixedly arranged below the fixing rods 72, and the baffle plates 71 are arranged at equal intervals along the length direction of the fixing rods 72. The vertical cross section of the baffle plates 71 is arranged in a wave shape, and the air passing channel 711 is enclosed between the adjacent baffle plates 71, so that fine dust-containing water drops in the dust-containing steam are not easy to rise.

Referring to fig. 5, the shell 211 has a dust collecting hopper 212 fixed at an opening at a lower end thereof, the dust collecting hopper 212 is disposed in an inverted cone shape, and a discharge hole 2121 is formed at a center of a bottom of the dust collecting hopper 212. The interior of the hopper 212 is provided with a crushing rod 81, the crushing rod 81 is attached to the inner wall of the hopper 212, and the end of the crushing rod 81 extends toward the center of the discharge port 2121.

With reference to fig. 5 and 7, the hopper 212 is provided with a driving assembly 82 capable of driving the crushing rod 81 to rotate along the circumferential direction of the inner peripheral wall of the hopper 212. The driving assembly 82 includes a driving motor 821, a driving gear 822 fixedly disposed at an output end of the driving motor 821, and a driven gear 823, wherein the driving gear 822 is engaged with the driven gear 823.

With reference to fig. 5 and 7, the driving motor 821 is fixedly installed outside the dust collecting hopper 212, and the output end of the driving motor 821 is vertically disposed, and the driving gear 822 is connected with the output end of the driving motor 821 in a key manner, so that the driving gear 822 can rotate coaxially with the driving motor 821. The side wall of the dust collecting hopper 212 is provided with a relief hole for inserting the driving gear 822, and the driving gear 822 is partially positioned inside the dust collecting hopper 212 and partially positioned outside the dust collecting hopper 212. The driving gear 822 and the driven gear 823 which are positioned inside the ash collecting hopper 212 are meshed, the driven gear 823 is rotatably arranged inside the ash collecting hopper 212, the upper end of the crushing rod 81 is fixedly connected with the inner wall of the driven gear 823, so that the driven gear 823 can drive the crushing rod 81 to rotate synchronously in the rotating process, and the material in the discharge hole 2121 is stirred.

With reference to fig. 5 and 7, a sealing inclined plate 2122 is fixedly disposed above the driven gear 823 of the ash collecting bucket 212, the sealing inclined plate 2122 is annularly disposed, the sealing inclined plate 2122 extends from top to bottom to a side close to the axis of the ash collecting bucket 212, the upper end of the sealing inclined plate 2122 is fixedly connected to the inner wall of the ash collecting bucket 212, and the lower end of the sealing inclined plate 2122 abuts against the upper end surface of the driven gear 823, so as to seal the joint between the driven gear 823 and the ash collecting bucket 212.

Referring to fig. 2 and 5, the solid-liquid separation box 9 is communicated below the dust collection hopper 212, the top of the solid-liquid separation box 9 is provided with a material passing opening 91, and the center of the material passing opening 91 is overlapped with the center of the material outlet 2121. A water pump 6 is fixedly arranged between the solid-liquid separation tank 9 and the pyrohydrolysis system 4, the water inlet end of the water pump 6 is communicated with the solid-liquid separation tank 9, and the water outlet end of the water pump 6 is communicated with the pyrohydrolysis system 4. The water pump 6 can introduce the sewage inside the solid-liquid separation tank 9 into the pyrohydrolysis system 4, and the sewage can be recycled through the pyrohydrolysis system 4.

Referring to fig. 5, a partition plate 94 is fixedly disposed inside the solid-liquid separation tank 9, the partition plate 94 is vertically disposed, a lower end of the partition plate 94 is fixedly connected with a bottom wall of the solid-liquid separation tank 9, and an overflow hole 941 for passing sewage is defined between an upper end of the solid-liquid separation tank 9 and a top wall of the solid-liquid separation tank 9. The partition plate 94 partitions the interior of the solid-liquid separation tank 9 into a standing chamber 92 and a header chamber 93, the standing chamber 92 is communicated with the header 212 through a discharge port 2121, a water inlet end of the water pump 6 is communicated with the header chamber 93, and the standing chamber 92 is communicated with the header chamber 93 through an overflow hole 941.

With reference to fig. 5 and 8, a filter screen 10 is slidably connected inside the standing chamber 92, the filter screen 10 is disposed on a side close to a top wall of the standing chamber 92, and a distance between the filter screen 10 and a bottom wall of the standing chamber 92 is greater than a vertical length of the partition plate 94.

Combine fig. 5 and fig. 8, filter screen 10 is the level setting, and the room 92 inner wall that stews has set firmly spacing collar 921, and filter screen 10 places in the inside of spacing collar 921, and the upper surface edge of filter screen 10 upwards extends has butt ring 101, and butt ring 101 sets up with the room 92 inner wall interval that stews, and the upper end of butt ring 101 is outwards bent and is buckled and have butt limit 102, butt limit 102 and the room 92 inner wall contact that stews.

With reference to fig. 5 and 8, the solid-liquid separation tank 9 is provided with a vibration assembly 20 capable of driving the filter screen 10 to reciprocate in the vertical length direction of the standing chamber 92.

Referring to fig. 5 and 8, the vibration assembly 20 includes a push rod 201, a transmission motor 202 fixedly disposed outside the solid-liquid separation tank 9, and a cam 203 disposed along a radial direction of the push rod 201, an output shaft of the transmission motor 202 is disposed horizontally, one end of the push rod 201 is rotatably connected to a sidewall of the standing chamber 92, the other end extends to an outside of the solid-liquid separation tank 9, and an output end of the transmission motor 202 is fixedly connected to the push rod 201.

Combine fig. 5 and fig. 8, cam 203 is a plurality of, a plurality of cams 203 set up along the equidistant setting of the axis direction of push rod 201, cam 203 has seted up the groove 2031 that rises and falls in its edge, start drive motor 202, drive motor 202 can drive push rod 201 synchronous rotation, when the bellying of cam 203 and filter screen 10 contact, can jack-up filter screen 10, when groove 2031 and filter screen 10 remove, filter screen 10 can drop to the groove 2031 inside under the effect of self gravity, realize the vibrations effect to filter screen 10.

The implementation principle of the embodiment is as follows: by injecting sludge into the sludge paddle dryer 1, the sludge is dehydrated and dried under the action of the sludge paddle dryer 1 and discharges dust-containing vapor, the induced draft fan 5 is started to introduce the dust-containing vapor into the air inlet end of the cyclone separator 21 and into the cyclone separator 21, the dust-containing vapor contacts with the cooling water pipe 221 in the cyclone separator 21, part of the vapor can be condensed into condensed water under the cooling action of the cooling water pipe 221, meanwhile, water sprayed from the atomizing nozzles 224 can wrap large-particle dust in the dust-containing vapor, so that the large-particle dust can fall off under the action of gravity, and the condensed water and the water sprayed from the atomizing nozzles 224 can flow into the dust collecting hopper 212; part of the water vapor sequentially passes through the blade flow guider 222 and the baffle plate 71, the water vapor can generate high-speed centrifugal motion when passing through the blade flow guider 222, fine fog drops collide with each other and are condensed to form larger liquid drops under the action of centrifugal force, in the process, small particle dust in the water vapor is completely captured, the liquid drops are thrown to the inner wall of the cyclone separator 21, and the liquid drops losing kinetic energy flow to the interior of the ash collecting hopper 212 along the inner wall of the cyclone separator 21; the baffle plate 71 can reduce the rising of fine dust-containing water in dust-containing steam, and non-condensable gas is sent to an odor treatment system through the gas outlet end of the cyclone separator 21; inside sewage of ash collecting bucket 212 passes through the inside that discharge gate 2121 got into solid-liquid separation case 9, sewage carries out prefilter under the effect of filter screen 10, the large granule dust is kept somewhere in the filter screen 10 top, sewage after the prefilter gets into the inside sediment of stewing of room 92, when the inside sewage of room 92 that stews gathers to the certain extent, the inside upper surface clear water of room 92 that stews can get into inside the collecting chamber 93 through overflow hole 941, then send into pyrohydrolysis system 4 recycle with the inside ponding of collecting chamber 93 through water pump 6.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a mud paddle desiccator dust vapor cooling dust pelletizing system that contains dust, includes mud paddle desiccator (1), cyclone (2), deodorization system (3), pyrohydrolysis system (4), cyclone (2) includes cyclone (21), cyclone (21)'s inlet end is connected with draught fan (5), gives vent to anger the end and communicates with deodorization system (3), draught fan (5) can introduce the inside of cyclone (21) with the dust-containing vapor in mud paddle desiccator (1), discharge gate (2121) has been seted up to cyclone (21) diapire, its characterized in that, cyclone (21) inside is provided with condensation dust removal subassembly (22), condensation dust removal subassembly (22) set up between cyclone (21)'s the inlet end and cyclone (21) give vent to anger the end, the condensation dust removal assembly (22) comprises a blade flow guider (222) and a cooling water pipe (221), the blade flow guider (222) is arranged above the cooling water pipe (221), a solid-liquid separation box (9) is arranged below the cyclone separator (21), the discharge port (2121) is communicated with the solid-liquid separation box (9), and the solid-liquid separation box (9) is communicated with the thermal hydrolysis system (4);

a crushing rod (81) is arranged in the cyclone separator (21), the crushing rod (81) is arranged below the air inlet end of the cyclone separator (21), the crushing rod (81) is attached to the inner peripheral wall of the cyclone separator (21), and the cyclone separator (21) is provided with a driving assembly (82) capable of driving the crushing rod (81) to rotate in the circumferential direction;

the driving assembly (82) comprises a driving motor (821), a driving gear (822) fixedly arranged at the output end of the driving motor (821) and a driven gear (823) meshed with the driving gear (822), and the crushing rod (81) and the driven gear (823) rotate coaxially;

cyclone (21) includes casing (211), ash collection bucket (212) has set firmly in its lower extreme opening part in casing (211), the upper end of crushing pole (81) and the inner wall fixed connection of driven gear (823), ash collection bucket (212) has set firmly sealed swash plate (2122) in the top of driven gear (823), sealed swash plate (2122) are the annular setting, sealed swash plate (2122) extend to one side that is close to ash collection bucket (212) axis from last to down, the upper end of sealed swash plate (2122) and ash collection bucket (212) inner wall fixed connection, the lower extreme butt of sealed swash plate (2122) in the up end of driven gear (823).

2. The dust-containing steam cooling and dust removing system of the sludge paddle dryer as claimed in claim 1, wherein a plurality of atomizing nozzles (224) are fixedly arranged on the cooling water pipe (221), and the plurality of atomizing nozzles (224) are uniformly distributed along the circumferential direction of the cooling water pipe (221).

3. The dust-containing water vapor cooling and dust removing system of the sludge paddle dryer as claimed in claim 2, wherein the number of the cooling water pipes (221) is plural, the plural cooling water pipes (221) are arranged at equal intervals along the axial direction of the cyclone separator (21), and the adjacent cooling water pipes (221) are communicated with each other.

4. The dust-containing water vapor cooling and dedusting system of the sludge paddle dryer as claimed in claim 3, wherein the cooling water pipes (221) are formed into a ring shape, the outer diameters of the plurality of cooling water pipes (221) are gradually reduced from top to bottom, and the spraying range of the atomizing nozzle (224) on the upper cooling water pipe (221) can cover the interval between the adjacent cooling water pipes (221).

5. The cooling and dedusting system for the dust-containing water vapor of the sludge paddle dryer as claimed in claim 1, wherein a baffle assembly (7) is arranged between the blade flow guider (222) and the air outlet end of the cyclone separator (21), the baffle assembly (7) comprises a plurality of baffle plates (71) and fixing rods (72) fixedly arranged in the cyclone separator (21), the fixing rods (72) are horizontally arranged, the plurality of baffle plates (71) are uniformly distributed along the length direction of the fixing rods (72), and air passing channels (711) are enclosed between adjacent baffle plates (71).

6. The cooling dust-removing system for dust-containing water vapor of the sludge paddle dryer according to claim 1, wherein a partition plate (94) is fixedly arranged inside the solid-liquid separation tank (9), the partition plate (94) is vertically arranged, the partition plate (94) is provided with overflow holes (941), the partition plate (94) partitions the inside of the solid-liquid separation tank (9) into a standing chamber (92) and a water collecting chamber (93), the standing chamber (92) is communicated with the water collecting chamber (93) through the overflow holes (941), and the standing chamber (92) is communicated with the discharge hole (2121).

7. The cooling and dedusting system for the dusty steam of the sludge paddle dryer as recited in claim 6, characterized in that a filter screen (10) is connected inside the standing chamber (92) in a sliding manner, and the solid-liquid separation tank (9) is provided with a vibration component (20) capable of driving the filter screen (10) to vibrate.

8. The cooling and dedusting system for the dusty water vapor of the sludge paddle dryer as claimed in claim 7, wherein the vibration assembly (20) comprises a push rod (201) horizontally arranged below the filter screen (10) and a transmission motor (202) for driving the push rod (201) to rotate, and the push rod (201) is fixedly provided with a plurality of cams (203) along the radial direction of the push rod.