CN213295139U - Sludge drying device combining flue gas waste heat and external heat supply source - Google Patents

Sludge drying device combining flue gas waste heat and external heat supply source Download PDF

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CN213295139U
CN213295139U CN202021847162.6U CN202021847162U CN213295139U CN 213295139 U CN213295139 U CN 213295139U CN 202021847162 U CN202021847162 U CN 202021847162U CN 213295139 U CN213295139 U CN 213295139U
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pipe
drying kiln
water tank
ice water
flue gas
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CN202021847162.6U
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张微
翁焕新
杜红卫
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Zhejiang Huisheng Information Technology Co ltd
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Zhejiang Huisheng Information Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

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Abstract

The utility model provides a sludge drying device that flue gas waste heat and external heat supply source combined together, including gyration drying kiln and the fluidized bed furnace that is connected with gyration drying kiln through the heating supply line, gyration drying kiln inlet end is connected with the cold-blast pipe, the one end that gyration drying kiln was kept away from to the cold-blast pipe is connected first draught fan, the defeated tuber pipe of first draught fan inlet end installation, the one end that first draught fan was kept away from to the defeated tuber pipe extends to the interior upper portion position of ice water tank, the case lid is installed to ice water tank upper end, the intake pipe is installed to ice water tank side upper portion position, the one end that the intake pipe is in the ice water tank extends to the interior bottom of ice water tank, compares with prior art, the utility model discloses following beneficial effect: the time spent in cooling the rotary drying kiln is shortened, and the maintenance efficiency of the rotary drying kiln is improved.

Description

Sludge drying device combining flue gas waste heat and external heat supply source
Technical Field
The utility model relates to a sludge drying device that flue gas waste heat and external heat supply source combined together belongs to sludge treatment technical field.
Background
At present, carry out thorough processing's final target to innoxious, minimizing and resourceization as to municipal sludge at home and abroad, often utilize gyration drying kiln to carry out the mummification to mud and handle, but when the gyration drying kiln breaks down and needs the maintenance, generally adopt natural cooling's mode to make the cooling of gyration drying kiln, this kind of cooling mode cost time is long, influences the maintenance efficiency of gyration drying kiln, and influences the progress of mud mummification.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough that prior art exists, the utility model aims at providing a sludge drying device that flue gas waste heat and external heat source combined together to when providing the rotary drying kiln and break down and need the maintenance in solving above-mentioned background art, generally adopt natural cooling's mode to make the rotary drying kiln cooling, this kind of cooling mode cost time is long, influences the maintenance efficiency of rotary drying kiln, and influences the problem of sludge drying progress, the utility model discloses the time that the reduction rotary drying kiln cooling was spent improves rotary drying kiln maintenance efficiency.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a sludge drying device that flue gas waste heat and external heat supply source combined together, includes gyration drying kiln and the fluidized bed furnace that is connected with gyration drying kiln through the heating supply pipe, gyration drying kiln inlet end is connected with the cold-blast main, the one end that gyration drying kiln was kept away from to the cold-blast main is connected first draught fan, the defeated tuber pipe of first draught fan inlet end installation, the one end that first draught fan was kept away from to the defeated tuber pipe extends to the interior upper portion position of ice water tank, the case lid is installed to ice water tank upper end, the intake pipe is installed to ice water tank side upper portion position, the one end that the intake pipe is in the ice water tank extends to the bottom in.
Furthermore, a tubular aerator is installed at one end of the air inlet pipe, which is positioned in the ice water tank, and the tubular aerator is horizontally arranged at the bottom in the ice water tank.
Further, case lid lower surface is fixed with the frame that can assign in the ice water tank, the seal groove has been seted up to the frame surface, be equipped with the sealed frame of gluing with the laminating of case lid internal surface mutually in the seal groove.
Furthermore, the end of the air inlet pipe, which is positioned outside the ice water tank, is fixedly connected with a wide mask, and a filter screen for filtering dust is installed in the wide mask.
Furthermore, the tail part of the rotary drying kiln is connected with a water film dust collector through an exhaust pipe, the water film dust collector is connected with a second induced draft fan through a pipeline, and the second induced draft fan is connected with a chimney through a pipeline.
Further, the heating pipe surface is connected with the branch pipe, the one end that the heating pipe was kept away from to the branch pipe is connected with the air door, the third draught fan is connected through the connecting pipe to the air door other end, the third draught fan has bag collector through the pipe connection, the bag collector inlet end is connected with the flue.
The utility model has the advantages that: when the gyration drying kiln breaks down in the course of the work and needs the maintenance, add appropriate amount of frozen water mixture in to the ice water tank, put through the circuit of first draught fan afterwards, air in the enclosure space that first draught fan formed ice water tank and case lid is taken out, and then under the effect of external atmospheric pressure, outside air passes through in the intake pipe gets into frozen water mixture, frozen water mixture cools down the air that flows into in the ice water tank, the air after the cooling is carried to in the gyration drying kiln, thereby accelerate the cooling efficiency of gyration drying kiln, reduce the time that the gyration drying kiln cooling spent, improve gyration drying kiln maintenance efficiency.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a sludge drying apparatus combining flue gas waste heat and an external heat source of the present invention;
FIG. 2 is a schematic view of the assembly of the tank cover, the air inlet pipe, the air delivery pipe and the ice water tank in the sludge drying apparatus combining the flue gas waste heat and the external heat source of the present invention;
in the figure: 1-fluidized bed furnace, 2-cold air pipe, 3-first induced draft fan, 4-air conveying pipe, 5-ice water tank, 6-air inlet pipe, 7-wide mouth mask, 8-chimney, 9-second induced draft fan, 10-water film dust remover, 11-exhaust pipe, 12-rotary drying kiln, 13-branch pipe, 14-air door, 15-connecting pipe, 16-third induced draft fan, 17-bag type dust remover, 18-flue, 19-heat supply pipe, 20-box cover, 21-frame, 22-sealing rubber frame, 23-filter screen and 24-pipe type aerator.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a sludge drying device combining flue gas waste heat and an external heat supply source comprises a rotary drying kiln 12 and a fluidized bed furnace 1 connected with the rotary drying kiln 12 through a heat supply pipe 19, wherein the fluidized bed furnace 1 provides a heat source for the rotary drying kiln 12.
The air inlet end of a rotary drying kiln 12 is connected with a cold air pipe 2, one end of the cold air pipe 2, which is far away from the rotary drying kiln 12, is connected with a first induced draft fan 3, an air delivery pipe 4 is installed at the air inlet end of the first induced draft fan 3, one end of the air delivery pipe 4, which is far away from the first induced draft fan 3, extends to the upper part in an ice water tank 5, a tank cover 20 is installed at the upper end of the ice water tank 5, an air inlet pipe 6 is installed at the upper part of one side surface of the ice water tank 5, one end of the air inlet pipe 6, which is positioned in the ice water tank 5, extends to the bottom in the ice water tank 5, when the rotary drying kiln 12 breaks down and needs maintenance in the working process, a proper amount of ice water mixture is added into the ice water tank 5, then a circuit of the first induced draft fan 3 is connected, the first, the ice-water mixture cools the air flowing into the ice-water tank 5, and the cooled air is conveyed into the rotary drying kiln 12, so that the cooling efficiency of the rotary drying kiln 12 is improved, the time spent on cooling the rotary drying kiln 12 is shortened, and the overhaul efficiency of the rotary drying kiln 12 is improved.
Tubular aerator 24 is installed to the one end that intake pipe 6 is in ice water tank 5, and tubular aerator 24 is the level form and arranges the bottom in ice water tank 5, installs tubular aerator 24 in intake pipe 6, is convenient for make the air evenly flow in the ice water mixture in ice water tank 5, improves the effect to the air cooling.
The lower fixed surface of case lid 20 has the frame 21 that can assign in water ice tank 5, and the seal groove has been seted up to frame 21 surface, is equipped with the sealant frame 22 that laminates with case lid 20 internal surface in the seal groove, and when fixing case lid 20 on water ice tank 5, the sealant frame 22 on the frame 21 laminates with 5 internal surfaces of water ice tank to improve the leakproofness between case lid 20 and water ice tank 5.
The intake pipe 6 is in the wide-mouth cover 7 of the outer one end fixedly connected with of ice water tank 5, installs the filter screen 23 that is used for filtering the dust in the wide-mouth cover 7, installs filter screen 23 in wide-mouth cover 7, plays the effect of debris such as dust in the filtered air.
The tail of the rotary drying kiln 12 is connected with a water film dust collector 10 through an exhaust pipe 11, the water film dust collector 10 is connected with a second induced draft fan 9 through a pipeline, the second induced draft fan 9 is connected with a chimney 8 through a pipeline, and the second induced draft fan 9 sends tail gas which is dedusted and degassed by the water film dust collector 10 to reach the emission standard into the chimney 8.
The 19 surface connection of heating pipe has branch pipe 13, the one end that heating pipe 19 was kept away from to branch pipe 13 is connected with air door 14, the third draught fan 16 is connected through connecting pipe 15 to the air door 14 other end, third draught fan 16 has bag collector 17 through the pipe connection, bag collector 17 inlet end is connected with flue 18, open air door 14 back, operation third draught fan 16, and then the high temperature flue gas in the flue 18 sends into gyration drying kiln 12 after the bag collector 17 removes dust in, the realization utilizes the purpose of flue gas waste heat stoving mud.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a sludge drying device that flue gas waste heat and external heat source combined together, includes rotary drying kiln (12) and fluidized bed furnace (1) that is connected with rotary drying kiln (12) through heating pipe (19), its characterized in that: gyration drying kiln (12) inlet end is connected with air-cooling pipe (2), first draught fan (3) is connected to the one end that gyration drying kiln (12) were kept away from in air-cooling pipe (2), defeated tuber pipe (4) are installed to first draught fan (3) inlet end, the one end that first draught fan (3) were kept away from in defeated tuber pipe (4) extends to upper portion position in water ice box (5), case lid (20) are installed to water ice box (5) upper end, intake pipe (6) are installed to water ice box (5) a side upper portion position, the one end that intake pipe (6) are in water ice box (5) extends to water ice box (5) bottom in.
2. The sludge drying device combining the flue gas waste heat and the external heat supply source according to claim 1, characterized in that: and a tubular aerator (24) is arranged at one end of the air inlet pipe (6) in the ice water tank (5), and the tubular aerator (24) is horizontally arranged at the bottom in the ice water tank (5).
3. The sludge drying device combining the flue gas waste heat and the external heat supply source according to claim 1, characterized in that: case lid (20) lower fixed surface has frame (21) that can interpose in ice water box (5), the seal groove has been seted up to frame (21) surface, be equipped with in the seal groove with case lid (20) internal surface laminating sealant frame (22) mutually.
4. The sludge drying device combining the flue gas waste heat and the external heat supply source according to claim 1, characterized in that: the air inlet pipe (6) is located at one end outside the ice water tank (5) and is fixedly connected with a wide mouth mask (7), and a filter screen (23) for filtering dust is installed in the wide mouth mask (7).
5. The sludge drying device combining the flue gas waste heat and the external heat supply source according to claim 1, characterized in that: the tail of the rotary drying kiln (12) is connected with a water film dust collector (10) through an exhaust pipe (11), the water film dust collector (10) is connected with a second induced draft fan (9) through a pipeline, and the second induced draft fan (9) is connected with a chimney (8) through a pipeline.
6. The sludge drying device combining the flue gas waste heat and the external heat supply source according to claim 1, characterized in that: the utility model discloses a heat supply pipe, including heat supply pipe (19), air door (14), third draught fan (16) are connected through connecting pipe (15) to air door (14) other end, third draught fan (16) have bag collector (17) through the pipe connection, bag collector (17) inlet end is connected with flue (18).
CN202021847162.6U 2020-08-28 2020-08-28 Sludge drying device combining flue gas waste heat and external heat supply source Active CN213295139U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021847162.6U CN213295139U (en) 2020-08-28 2020-08-28 Sludge drying device combining flue gas waste heat and external heat supply source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021847162.6U CN213295139U (en) 2020-08-28 2020-08-28 Sludge drying device combining flue gas waste heat and external heat supply source

Publications (1)

Publication Number Publication Date
CN213295139U true CN213295139U (en) 2021-05-28

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CN202021847162.6U Active CN213295139U (en) 2020-08-28 2020-08-28 Sludge drying device combining flue gas waste heat and external heat supply source

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CN (1) CN213295139U (en)

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