CN113350889A - Municipal sludge energy-saving drying device - Google Patents
Municipal sludge energy-saving drying device Download PDFInfo
- Publication number
- CN113350889A CN113350889A CN202110765719.4A CN202110765719A CN113350889A CN 113350889 A CN113350889 A CN 113350889A CN 202110765719 A CN202110765719 A CN 202110765719A CN 113350889 A CN113350889 A CN 113350889A
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- supporting
- sludge
- cylinder
- module
- drying device
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- 239000010802 sludge Substances 0.000 title claims abstract description 75
- 238000001035 drying Methods 0.000 title claims abstract description 36
- 238000001914 filtration Methods 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 20
- 230000018044 dehydration Effects 0.000 claims abstract description 12
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000010865 sewage Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 16
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 9
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 9
- 241001330002 Bambuseae Species 0.000 abstract description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 9
- 239000011425 bamboo Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 206010010904 Convulsion Diseases 0.000 abstract description 2
- 230000036461 convulsion Effects 0.000 abstract description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to the municipal field, in particular to a municipal sludge energy-saving drying device, which comprises a supporting and installing cylinder, wherein a plurality of fixed installing frames are arranged on the outer side of one end of the supporting and installing cylinder, and are provided with fixed installing holes, and the municipal sludge energy-saving drying device also comprises: the sludge filtering module is arranged at the other end of the supporting installation cylinder; the porous guide plate is arranged inside the supporting and mounting cylinder; a reset pressurization module is arranged on the supporting and mounting cylinder at one side of the porous guide plate, and a sludge drying module is arranged on the supporting and mounting cylinder at the other side of the porous guide plate; sludge filtration module passes through the displacement mechanism and is connected with supporting the installation section of thick bamboo, through building sealed environment certainly for passive dehydration process takes the initiative pressurization dehydration in earlier stage, is showing and promotes sludge dewatering quality in earlier stage, and has shortened the time of dehydration, and the heat conduction structure that generates heat that the rethread meshy set up makes mud thermally equivalent, cooperates initiative convulsions and even air inlet simultaneously, is showing hoisting device's sludge drying efficiency and quality, and energy-conserving effect is salient.
Description
Technical Field
The invention relates to the municipal field, in particular to a municipal sludge energy-saving drying device.
Background
As is well known, with the development of cities, more and more wastewater and sludge are generated, and in order to ensure the health of the environment, sewage treatment and sludge treatment are required, although the number of the current municipal sewage treatment plants is greatly increased and the amount of the treated sludge is more and more, the water content of the sludge after traditional dehydration is still high, the fluidity of the sludge with the water content is still strong, organic matter contained in the sludge can still generate fermentation reaction under the condition that a large amount of water exists, and the subsequent transportation, landfill and other treatment processes are not facilitated.
The sludge drying equipment who uses at present, although can carry out the sludge drying, because the water content when the sludge drying is still very high, cause a large amount of wastes of mummification energy, and the efficiency of mummification is general relatively poor, and the sludge quality of mummification is also not ideal, and is relatively poor in the aspect of energy-conservation.
Disclosure of Invention
The invention aims to provide an energy-saving municipal sludge drying device to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an energy-conserving mummification device of municipal administration mud, includes and supports the installation section of thick bamboo, still includes:
the outer side of one end of the supporting and mounting cylinder is provided with a plurality of fixed mounting frames, and the fixed mounting frames are provided with fixed mounting holes;
the sludge filtering module is arranged at the other end of the supporting installation cylinder;
the porous guide plate is arranged inside the supporting and mounting cylinder; a reset pressurization module is arranged on the supporting and mounting cylinder at one side of the porous guide plate, and a sludge drying module is arranged on the supporting and mounting cylinder at the other side of the porous guide plate; an impurity removal feeding module is arranged on the wall of the supporting and installing cylinder on one side of the porous guide plate and used for introducing sewage and sludge into the supporting and installing cylinder;
the reset pressurization module is used for increasing the pressure in the support mounting cylinder and accelerating the filtration of water in the sludge;
the sludge drying module can accelerate the dehydration of the sludge on the sludge filtering module through heating and active flow guiding;
the sludge filtering module is connected with the supporting installation barrel through a position changing mechanism, and the position changing mechanism is used for adjusting the position of the sludge filtering module.
As a further scheme of the invention: the reset pressurization module comprises an airtight lifting plate, a reset spring is arranged on one side of the airtight lifting plate and connected with the inner wall of the supporting and installing cylinder, a traction rope is arranged on the other side of the airtight lifting plate, a traction assembly is arranged on the porous guide plate, and the traction assembly is connected with the traction rope.
As a further scheme of the invention: a plurality of guide posts are arranged on the airtight lifting plate on one side of the reset spring, the guide posts are matched with the inner wall of the supporting and installing cylinder, and a plurality of constant pressure holes are formed in one end of the supporting and installing cylinder connected with the reset spring.
As a further scheme of the invention: edulcoration feeding module includes the feeding honeycomb duct, and the feeding honeycomb duct setting is provided with a feeding section of thick bamboo on the support installation section of thick bamboo of porous guide plate one side, and the outer end of feeding honeycomb duct is provided with a feeding section of thick bamboo, rotates on the feeding section of thick bamboo and is provided with the swivel becket, and the swivel becket inboard is provided with edulcoration filtering component, and the inside of feeding honeycomb duct is provided with the solenoid valve.
As a further scheme of the invention: the sludge filtering module comprises a shifting ring, filter cloth is arranged on the shifting ring, a pneumatic sealing ring is arranged on a supporting and installing cylinder right opposite to the shifting ring, an air pump is outwards arranged on the wall of the supporting and installing cylinder, and the air pump is connected with the pneumatic sealing ring through a vent pipe.
As a further scheme of the invention: the displacement mechanism comprises a telescopic assembly which is arranged at one end of the supporting installation cylinder, a steering driving piece is arranged at the outer end of the telescopic assembly, and one end of the steering driving piece is connected with the displacement ring.
As a further scheme of the invention: the sludge drying module comprises an annular flow guide cover arranged on the inner side of the supporting and installing cylinder, the annular flow guide cover and the deflection ring are arranged on the same side, an annular flow guide pipe is arranged on the outer side of the annular flow guide cover, a communicating pipe is arranged on the annular flow guide pipe, an exhaust fan is arranged at the outer end of the communicating pipe, and the exhaust fan is fixed on the outer side of the supporting and installing cylinder.
As a further scheme of the invention: the inboard of annular kuppe is provided with cyclic annular concave surface baffle, and the half side that shift ring was kept away from to cyclic annular concave surface baffle is provided with the cambered surface filter screen.
As a further scheme of the invention: the middle position of the position changing ring is provided with a supporting guide cylinder, a one-way valve is arranged in the supporting guide cylinder, the upper end of the supporting guide cylinder is provided with a cambered surface guide cover, a plurality of guide holes are formed in the cambered surface guide cover, and the guide holes are communicated with the supporting guide cylinder.
As a still further scheme of the invention: the outside of supporting draft tube evenly is provided with a plurality of electricity and assists the heat post, all connects between the electricity and assists the heat post and be provided with a plurality of arc heat pipes, and arc heat pipe all contacts with one side of filter cloth.
Compared with the prior art, the invention has the beneficial effects that: through building sealed environment certainly for passive dehydration process carries out the initiative pressurization dehydration in earlier stage, is showing and promotes sludge dewatering quality in earlier stage, and has shortened the time of dehydration, and the heat conduction structure that generates heat that the rethread meshwork set up makes mud thermally equivalent, cooperates initiative convulsions and even air inlet simultaneously, is showing hoisting device's sludge drying efficiency and quality, and energy-conserving effect is salient.
Drawings
FIG. 1 is a schematic structural view of a municipal sludge energy-saving drying device.
FIG. 2 is a schematic structural diagram of a displacement ring in the municipal sludge energy-saving drying device.
Fig. 3 is an enlarged schematic view of a portion a of fig. 1.
FIG. 4 is a schematic perspective view of a support draft tube in the municipal sludge energy-saving drying device.
1. A cambered surface air guide sleeve; 2. supporting the guide shell; 3. a flow guide hole; 4. a displacement ring; 5. an electromagnetic valve; 6. a feeding guide pipe; 7. a feeding cylinder; 8. an impurity removal filtering component; 9. a rotating ring; 10. fixing the mounting hole; 11. fixing the mounting rack; 12. a constant pressure orifice; 13. a supporting mounting cylinder; 14. a return spring; 15. an airtight lifter plate; 16. a guide post; 17. a guide cylinder; 18. a hauling rope; 19. a traction assembly; 20. a porous flow guide plate; 21. a cambered surface filter screen; 22. a breather pipe; 23. a pneumatic sealing ring; 24. a steering drive member; 25. a telescoping assembly; 26. an air pump; 27. an annular concave baffle plate; 28. an annular dome; 29. an annular flow guide pipe; 30. a communicating pipe; 31. an exhaust fan; 32. an arc-shaped heat pipe; 33. an electrically assisted thermal column; 34. filtering cloth; 35. a one-way valve; 36. a sludge filtration module; 37. a reset pressurization module; 38. a sludge drying module; 39. an impurity removal feeding module; 40. a position changing mechanism.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
Example one
Referring to fig. 1 to 4, in an embodiment of the present invention, a municipal sludge energy-saving drying apparatus includes a supporting installation cylinder 13, a plurality of fixed installation frames 11 are disposed on an outer side of one end of the supporting installation cylinder 13, and the fixed installation frames 11 are all provided with fixed installation holes 10, and further includes: the sludge filtering module 36 is arranged at the other end of the supporting and installing cylinder 13; a porous guide plate 20 arranged inside the support mounting cylinder 13; a reset pressurization module 37 is arranged on the supporting installation cylinder 13 at one side of the porous guide plate 20, and a sludge drying module 38 is arranged on the supporting installation cylinder 13 at the other side of the porous guide plate 20; an impurity removal feeding module 39 is arranged on the wall of the supporting and installing cylinder 13 at one side of the porous guide plate 20; the reset pressurization module 37 is used for pressurizing the pressure in the support mounting cylinder 13 and accelerating the filtration of water in the sludge; the sludge drying module 38 can accelerate the dehydration of the sludge filtered by the sludge filtering module 36; the sludge filtering module 36 is connected with the supporting installation barrel 13 through a position changing mechanism 40.
Leading-in sewage in to supporting installation section of thick bamboo 13 through edulcoration feed module 39, sewage dewaters on sludge filtration module 36, simultaneously under the effect of pressure boost module 37 that resets, with higher speed the progress of dehydration and promote the effect of dehydration, starts sludge drying module 38 afterwards for the sludge of filtering out is mummified with higher speed, and after the mummification was accomplished, under the effect of displacement mechanism 40, the derivation of realization sludge repeated above-mentioned step, carry out continuous sludge drying operation.
Example two
On the basis of embodiment one, edulcoration feeding module 39 includes feeding honeycomb duct 6, and feeding honeycomb duct 6 sets up on the support installation section of thick bamboo 13 of porous guide plate 20 one side, and feeding honeycomb duct 6's outer end is provided with feeding cylinder 7, rotates on feeding cylinder 7 and is provided with swivel 9, and swivel 9 inboard is provided with edulcoration filtering component 8, and feeding honeycomb duct 6's inside is provided with solenoid valve 5.
The impurity removing and filtering component 8 can be a coarse filter screen.
The sludge filtering module 36 comprises a displacement ring 4, filter cloth 34 is arranged on the displacement ring 4, a pneumatic sealing ring 23 is arranged on a supporting and installing cylinder 13 which is right opposite to the displacement ring 4, an air pump 26 is outwards arranged on the wall of the supporting and installing cylinder 13, and the air pump 26 is connected with the pneumatic sealing ring 23 through an air pipe 22.
The resetting and pressurizing module 37 comprises an airtight lifting plate 15, one side of the airtight lifting plate 15 is provided with a reset spring 14, the reset spring 14 is connected with the inner wall of the supporting and installing cylinder 13, the other side of the airtight lifting plate 15 is provided with a traction rope 18, a traction assembly 19 is arranged on the porous guide plate 20, the traction assembly 19 is connected with the traction rope 18, a plurality of guide posts 16 are arranged on the airtight lifting plate 15 on one side of the reset spring 14, the guide cylinders 17 are arranged on the inner wall of the supporting and installing cylinder 13 in a matched mode, and one end of the supporting and installing cylinder 13 connected with the reset spring 14 is provided with a plurality of constant pressure holes 12.
The traction assembly 19 may be an electric reel.
Sewage is poured into from a feeding cylinder 7, the large-size sundries in the sewage are blocked by an impurity removal filtering component 8 on a rotating ring 9, the sewage is led out through the rotation of the rotating ring 9, the sewage is opened and closed through an electromagnetic valve 5, the flow guide of the sewage is controlled, when the sewage is on a filter cloth 34, the dewatering operation is carried out, the traction rope 18 is shortened through a traction component 19, the airtight lifting plate 15 is moved, the internal pressure of a supporting and installing cylinder 13 is changed, the filtering of moisture is accelerated, the resetting of the airtight lifting plate 15 is realized under the action of a reset spring 14, and the next sludge filtering operation is convenient.
The airtight lifter plate 15 is shifted the in-process through guide post 16 and guide cylinder 17 cooperation, realizes stably shifting to guarantee the pressure stability of airtight lifter plate 15 one side through constant voltage hole 12.
EXAMPLE III
On the basis of the second embodiment, the sludge drying module 38 includes an annular diversion cover 28 disposed inside the supporting and mounting cylinder 13, the annular diversion cover 28 and the displacement ring 4 are disposed on the same side, an annular diversion pipe 29 is disposed outside the annular diversion cover 28, a communicating pipe 30 is disposed on the annular diversion pipe 29, an exhaust fan 31 is disposed at the outer end of the communicating pipe 30, the exhaust fan 31 is fixed outside the supporting and mounting cylinder 13, an annular concave baffle 27 is disposed inside the annular diversion cover 28, an arc filter screen 21 is disposed on a half side of the annular concave baffle 27 away from the displacement ring 4, a supporting diversion cylinder 2 is disposed at a middle position of the displacement ring 4, a check valve 35 is disposed in the supporting diversion cylinder 2, an arc diversion cover 1 is disposed at the upper end of the supporting diversion cylinder 2, a plurality of diversion holes 3 are disposed on the arc diversion cover 1, the diversion holes 3 are all communicated with the supporting diversion cylinder 2, a plurality of electric auxiliary heating columns 33 are uniformly disposed outside, a plurality of arc-shaped heat pipes 32 are connected and arranged between the electric auxiliary heat columns 33, and the arc-shaped heat pipes 32 are all contacted with one side of the filter cloth 34.
Start air exhauster 31 and derive the air in communicating pipe 30, through annular honeycomb duct 29 water conservancy diversion to through annular concave baffle 27 suction gas, will support the inside gaseous derivation of installation section of thick bamboo 13, support the even leading-in of draft tube 2 cooperation water conservancy diversion hole 3 with outside air this moment, and blow through mud, start electric auxiliary heating post 33 simultaneously, cooperation arc heat pipe 32 realizes quick even heat conduction, further promotes the mummification efficiency of mud.
Example four
On the basis of the third embodiment, the displacement mechanism 40 includes a telescopic assembly 25 disposed at one end of the supporting and mounting cylinder 13, a steering driving member 24 is disposed at an outer end of the telescopic assembly 25, and one end of the steering driving member 24 is connected to the displacement ring 4.
After accomplishing the mummification, through the control of flexible subassembly 25, realize the flexible of displacement ring 4 and shift, the rethread turns to the rotation that the driving piece 24 realized the displacement ring 4 for the mummification mud conveniently takes out, resets afterwards, and air pump 26 makes pneumatic sealing ring 23 inflation through breather pipe 22, realizes the extrusion, and the completion contact is sealed, guarantees the high-efficient operation of the pressure boost module 37 that resets.
The telescopic assembly 25 can be an electric control telescopic column or a hydraulic telescopic column; the steering driver 24 may be a high torque steering motor.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides an energy-conserving mummification device of municipal administration mud, includes and supports a mounting tube, its characterized in that still includes:
the outer side of one end of the supporting and mounting cylinder is provided with a plurality of fixed mounting frames, and the fixed mounting frames are provided with fixed mounting holes;
the sludge filtering module is arranged at the other end of the supporting installation cylinder;
the porous guide plate is arranged inside the supporting and mounting cylinder; a reset pressurization module is arranged on the supporting and mounting cylinder at one side of the porous guide plate, and a sludge drying module is arranged on the supporting and mounting cylinder at the other side of the porous guide plate; an impurity removal feeding module is arranged on the wall of the supporting and installing cylinder on one side of the porous guide plate and used for introducing sewage and sludge into the supporting and installing cylinder;
the reset pressurization module is used for increasing the pressure in the support mounting cylinder and accelerating the filtration of water in the sludge;
the sludge drying module can accelerate the dehydration of the sludge on the sludge filtering module through heating and active flow guiding;
the sludge filtering module is connected with the supporting installation barrel through a position changing mechanism, and the position changing mechanism is used for adjusting the position of the sludge filtering module.
2. The municipal sludge energy-saving drying device according to claim 1, wherein the resetting and pressurizing module comprises an airtight lifting plate, one side of the airtight lifting plate is provided with a resetting spring, the resetting spring is connected with the inner wall of the supporting and installing cylinder, the other side of the airtight lifting plate is provided with a traction rope, and the porous guide plate is provided with a traction assembly which is connected with the traction rope.
3. The municipal sludge energy-saving drying device according to claim 2, wherein a plurality of guide posts are arranged on the airtight lifting plate on one side of the return spring, guide posts are arranged on the inner wall of the support mounting cylinder in a matching manner, and a plurality of constant pressure holes are arranged at one end of the support mounting cylinder connected with the return spring.
4. The municipal sludge energy-saving drying device according to claim 1, wherein the impurity-removing feeding module comprises a feeding guide pipe, the feeding guide pipe is arranged on the supporting and mounting cylinder on one side of the porous guide plate, the outer end of the feeding guide pipe is provided with a feeding cylinder, a rotating ring is rotatably arranged on the feeding cylinder, an impurity-removing filtering component is arranged on the inner side of the rotating ring, an electromagnetic valve is arranged inside the feeding guide pipe, and the impurity-removing filtering component can intercept impurities.
5. The municipal sludge energy-saving drying device according to claim 1, wherein the sludge filtering module comprises a shifting ring, the shifting ring is provided with filter cloth, a supporting and installing cylinder opposite to the shifting ring is provided with a pneumatic sealing ring, the wall of the supporting and installing cylinder is outwardly provided with an air pump, and the air pump is connected with the pneumatic sealing ring through a vent pipe.
6. The municipal sludge energy-saving drying device according to claim 5, wherein the deflection mechanism comprises a telescopic component arranged at one end of the support mounting cylinder, a steering driving member is arranged at the outer end of the telescopic component, and one end of the steering driving member is connected with the deflection ring.
7. The municipal sludge energy-saving drying device according to claim 6, wherein the sludge drying module comprises an annular guide cover arranged on the inner side of the support mounting cylinder, the annular guide cover and the deflection ring are arranged on the same side, an annular guide pipe is arranged on the outer side of the annular guide cover, a communicating pipe is arranged on the annular guide pipe, an exhaust fan is arranged at the outer end of the communicating pipe, and the exhaust fan is fixed on the outer side of the support mounting cylinder.
8. The municipal sludge energy-saving drying device according to claim 7, wherein the inside of the annular diversion cover is provided with an annular concave baffle, and the half side of the annular concave baffle away from the shifting ring is provided with a cambered surface filter screen.
9. The municipal sludge energy-saving drying device according to claim 8, wherein a support draft tube is arranged in the middle of the shifting ring, a one-way valve is arranged in the support draft tube, a cambered draft shield is arranged at the upper end of the support draft tube, and a plurality of guide holes are formed in the cambered draft shield and are communicated with the support draft tube.
10. The municipal sludge energy-saving drying device according to claim 9, wherein a plurality of electric auxiliary heating columns are uniformly arranged on the outer side of the supporting guide cylinder, a plurality of arc-shaped heat pipes are connected between the electric auxiliary heating columns, and the arc-shaped heat pipes are in contact with one side of the filter cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110765719.4A CN113350889B (en) | 2021-07-07 | 2021-07-07 | Municipal sludge energy-saving drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110765719.4A CN113350889B (en) | 2021-07-07 | 2021-07-07 | Municipal sludge energy-saving drying device |
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| CN113350889A true CN113350889A (en) | 2021-09-07 |
| CN113350889B CN113350889B (en) | 2022-07-19 |
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| CN202110765719.4A Expired - Fee Related CN113350889B (en) | 2021-07-07 | 2021-07-07 | Municipal sludge energy-saving drying device |
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