CN114685025A - Sludge drying device and sludge drying system using waste heat of movable tunnel kiln - Google Patents
Sludge drying device and sludge drying system using waste heat of movable tunnel kiln Download PDFInfo
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- CN114685025A CN114685025A CN202210491242.XA CN202210491242A CN114685025A CN 114685025 A CN114685025 A CN 114685025A CN 202210491242 A CN202210491242 A CN 202210491242A CN 114685025 A CN114685025 A CN 114685025A
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- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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Abstract
The invention discloses a sludge drying device which comprises an annular sludge placing platform, a platform sealing cover, a platform rotation drive and a heat leading-in pipe, wherein the platform sealing cover is arranged above the annular sludge placing platform and is movably matched with the annular sludge placing platform; the platform sealing cover can cover one part of the annular sludge placing platform, so that a sludge drying cavity is formed between the platform sealing cover and the annular sludge placing platform covered by the platform sealing cover; the part of the annular sludge placing platform which is not covered by the platform sealing cover is a sludge loading and unloading section; the platform rotation drive is used for driving the annular sludge placing platform to rotate relative to the platform sealing cover; the heat leading-in pipe is used for leading-in mud stoving chamber of heat to the mud on the ring shape mud placement platform is dried. The invention provides a sludge drying system utilizing waste heat of a movable tunnel kiln, which utilizes the waste heat of a cooling section of the movable tunnel kiln to dry sludge on a sludge drying device.
Description
Technical Field
The invention relates to the technical field of sludge drying, in particular to a sludge drying device and a sludge drying system utilizing waste heat of a movable tunnel kiln.
Background
In the prior art, sludge is naturally aired and stored in a large-area field. The sludge treatment of a general kiln plant has large demand, and if a large area of field is occupied for natural airing, the waste of field resources is caused; and the natural drying period is greatly changed by weather factors and is long in time, and the manual digging machine is needed for tedding treatment, so that the sludge has serious peculiar smell and the life of surrounding residents is influenced.
Disclosure of Invention
The invention aims to provide a sludge drying device which is provided with a special sludge placing platform and is used for drying sludge by utilizing a heat source so as to solve the problems of large occupied space, large change of the airing period due to weather factors and long airing time in the natural airing of the sludge.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a sludge drying device, comprising:
the sludge placing platform is in a circular shape and is used for placing sludge;
the platform sealing cover is arranged above the annular sludge placing platform and is movably matched with the annular sludge placing platform; the platform sealing cover can cover a part of the circular sludge placing platform, so that a sludge drying cavity is formed between the platform sealing cover and the circular sludge placing platform covered by the platform sealing cover; the part of the annular sludge placing platform which is not covered by the platform sealing cover is a sludge loading and unloading section;
the platform rotation drive is connected with the annular sludge placing platform and is used for driving the annular sludge placing platform to rotate relative to the platform sealing cover;
the heat induction pipe, the one end of heat induction pipe with the platform sealed cowling is connected, and the other end is used for external heat source, the heat induction pipe is used for leading-in the heat mud stoving chamber, in order to right mud on the ring shape mud place the platform is dried.
Optionally, the platform sealed cowling is trilateral bounding wall, and it includes:
the bottom end of the arc-shaped inner side vertical plate corresponds to the inner edge of the annular sludge placing platform;
the arc-shaped outer side vertical plate is sleeved on the outer ring of the arc-shaped inner side vertical plate, and the bottom end of the arc-shaped outer side vertical plate corresponds to the outer edge of the annular sludge placing platform;
the arc roof, the arc roof set up in the arc outside riser with between the arc inboard riser, just the inner edge and the outer fringe of arc roof respectively with the top of the inboard riser of arc the top of arc outside riser is connected.
Optionally, the platform sealing cover is suspended above the annular sludge placing platform, and gaps are reserved between the bottom ends of the arc-shaped outer side vertical plates and the annular sludge placing platform and between the bottom ends of the arc-shaped inner side vertical plates and the annular sludge placing platform; the bottom of the arc-shaped outer side vertical plate and the bottom of the arc-shaped inner side vertical plate are both provided with sealing belts so as to be in sealing lap joint with the annular sludge storage platform.
Optionally, the platform sealing cover is supported above the annular sludge placing platform through a support, and gaps are reserved between the bottom ends of the arc-shaped outer side vertical plates and the annular sludge placing platform and between the bottom ends of the arc-shaped inner side vertical plates and the annular sludge placing platform; sealing belts are arranged at the bottom ends of the arc-shaped outer side vertical plates and the bottom ends of the arc-shaped inner side vertical plates, and are in sealing lap joint with the annular sludge placing platform;
the support is arranged on the platform rotation drive or on the ground.
Optionally, the connecting position of the arc-shaped top plate and the arc-shaped outer side vertical plate and the connecting position of the arc-shaped top plate and the arc-shaped inner side vertical plate are both provided with supporting angle steel.
Optionally, both ends of the arc-shaped top plate are provided with platform curtains, and the platform curtains are used for sealing both ends of the sludge drying cavity.
Optionally, the sludge loading and unloading section is 1/8-1/4 arc length of the annular sludge placing platform; the part of the circular sludge placing platform covered by the platform sealing cover is 3/4-7/8 arc length of the circular sludge placing platform.
Optionally, the heat induction pipe is provided with many, and many the heat induction pipe is followed ring shape mud placement platform's periphery interval distribution.
Optionally, two groups of heat introducing pipes are arranged, and the two groups of heat introducing pipes are respectively located at two ends of the sludge drying cavity; any one group of the heat leading-in pipes comprises more than one heat leading-in pipe.
Optionally, the platform rotation drive comprises:
the top end of the running support I-shaped steel is fixedly connected to the bottom of the annular sludge placing platform;
the driving roller is supported below the annular sludge placing platform through a driving roller support and is in contact fit with the bottom end of the running support I-shaped steel;
the driven roller is supported below the annular sludge placing platform through a driven roller support and is in contact fit with the bottom end of the operation supporting I-shaped steel;
the driving idler wheels and the driven idler wheels are respectively provided with a plurality of groups, and the plurality of groups of driving idler wheels and the plurality of groups of driven idler wheels are distributed along the circumferential direction of the annular sludge placing platform in a crossed and spaced mode; any one of the driving rollers is connected with a driving motor.
Optionally, the driving motor is connected with the driving roller through a gear and a chain assembly.
Optionally, the system further comprises a frequency conversion cabinet, wherein any one of the driving motors is in communication connection with the frequency conversion cabinet so as to adjust the running speed of the driving motor by controlling frequency conversion.
The invention also aims to provide a sludge drying system utilizing the waste heat of the movable tunnel kiln, which is provided with a special sludge placing platform and simultaneously utilizes the waste heat of the movable tunnel kiln to dry sludge so as to solve the problems of large occupied space, large change of the airing period due to weather factors and long airing time in the natural sludge airing process.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a sludge drying system utilizing waste heat of a movable tunnel kiln, which comprises the movable tunnel kiln, a waste heat underground passage and the sludge drying device, wherein one end of the waste heat underground passage is connected with a heat leading-in pipe through a collecting elbow, and the other end of the waste heat underground passage is connected with a cooling section of the movable tunnel kiln through the waste heat collecting device so as to lead heat exchange waste heat of the cooling section into a sludge drying cavity.
Compared with the prior art, the invention has the following technical effects:
the sludge drying device provided by the invention has a novel and reasonable structure, the annular sludge placing platform is specially used for placing sludge and conveying the sludge, the sludge is dried by using an external heat source, the sludge enters one end of the sludge drying cavity under the drive of the annular sludge placing platform, the heat in the sludge drying cavity can be driven to circulate in the rotating process of the annular sludge placing platform, the sludge in the sludge drying cavity is dried, the sludge which is rotated out from the other end of the sludge drying cavity is dried sludge, and the dried sludge can be discharged from the sludge loading and unloading section. Compared with other methods, the sludge drying device occupies a small area, reduces resource waste, does not need manual tedding, reduces cost expenditure, is not limited by weather factors, and greatly reduces the drying period.
In some schemes of the invention, a sealing strip is lapped between the sludge drying cavity and the annular sludge placing platform, and the two ends of the sludge drying cavity are provided with the platform curtains, so that the sludge drying cavity is in a relatively fully-closed state in the process of ensuring the normal transportation of the sludge, thereby not only ensuring that heat is not leaked, but also reducing the peculiar smell emission of the sludge and improving the environment of a sludge treatment workshop.
The sludge drying system utilizing the waste heat of the movable tunnel kiln provided by the invention utilizes the waste heat of the cooling section of the movable tunnel kiln to flow into the sludge drying cavity through the waste heat underground flue and the collecting elbow to dry the sludge, thereby not only realizing the combined use of the sludge drying device and other equipment of a kiln plant, but also realizing the reutilization of waste resources and being beneficial to environmental protection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a sludge drying apparatus disclosed in the embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of the sludge drying apparatus disclosed in the embodiment of the present invention;
FIG. 3 is a schematic view of the installation of the sludge drying system using the residual heat of the mobile tunnel kiln according to the embodiment of the present invention;
FIG. 4 is a schematic connection diagram of a waste heat underground passage disclosed by an embodiment of the invention;
fig. 5 is a schematic view of the sealing principle of the sealing tape disclosed in the embodiment of the invention.
Wherein the reference numerals are:
100. a sludge drying device; 200. a sludge drying system using the waste heat of the movable tunnel kiln;
1. a circular sludge placing platform; 2. a platform seal housing; 21. an arc-shaped inner vertical plate; 22. an arc-shaped outer vertical plate; 23. an arc-shaped top plate; 24. supporting angle steel; 3. a heat input pipe; 4. a sludge loading and unloading section; 5. a gap; 6. sealing tape; 7. a platform curtain; 8. running and supporting the I-shaped steel; 9. a driving roller; 10. a drive roller support; 11. a driven roller bracket; 12. a mobile tunnel kiln; 13. a waste heat underground passage; 14. collecting the elbows; 15. and a waste heat collecting device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
One of the purposes of the invention is to provide a sludge drying device which is provided with a special sludge placing platform and simultaneously dries sludge by using a heat source so as to solve the problems of large occupied space, large change of the drying period due to weather factors and long drying time of naturally drying sludge.
The invention also aims to provide a sludge drying system using the waste heat of the movable tunnel kiln, which is provided with the sludge drying device, and is used for drying sludge by using the waste heat of the tunnel kiln so as to solve the problems of large occupied space, large change of weather factors in the drying period and long drying time in the natural drying of sludge.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
As shown in fig. 1 to 5, the present embodiment provides a sludge drying apparatus 100, which mainly includes an annular sludge placing platform 1, a platform sealing cover 2, a platform rotation drive and heat introducing pipe 3, wherein the annular sludge placing platform 1 is used for placing sludge; the platform sealing cover 2 is arranged above the annular sludge placing platform 1 and is movably matched with the annular sludge placing platform 1; the platform sealing cover 2 can cover a part of the annular sludge placing platform 1, so that a sludge drying cavity is formed between the platform sealing cover 2 and the annular sludge placing platform 1 covered by the platform sealing cover; the part of the annular sludge placing platform 1 which is not covered by the platform sealing cover 2 is a sludge loading and unloading section 4; the platform rotation drive is connected with the annular sludge placing platform 1 and is used for driving the annular sludge placing platform 1 to rotate relative to the platform sealing cover 2; one end of the heat leading-in pipe 3 is connected with the platform sealing cover 2, the other end is used for externally connecting a heat source, and the heat leading-in pipe 3 is used for drying the sludge in the heat leading-in sludge drying cavity so as to dry the sludge on the annular sludge placing platform 1.
In this embodiment, platform sealed cowling 2 is trilateral bounding wall, it includes the inboard riser 21 of arc, arc outside riser 22 and arc roof 23, the bottom of the inboard riser 21 of arc is corresponding with ring shape mud place the platform 1's inward flange, the outer lane of the inboard riser 21 of arc is located to arc outside riser 22 cover, the bottom of arc outside riser 22 is corresponding with ring shape mud place the platform 1's outward flange, arc roof 23 sets up between arc outside riser 22 and the inboard riser 21 of arc, and the inner edge and the outer fringe of arc roof 23 respectively with the top of the inboard riser 21 of arc, the top of arc outside riser 22 is connected. In order to enhance the structural strength of the three-sided coaming, support angle steels 24 are arranged at the connecting positions of the arc-shaped top plate 23 and the arc-shaped outer side vertical plate 22 and the connecting positions of the arc-shaped top plate 23 and the arc-shaped inner side vertical plate 21 in the embodiment; two groups of supporting angle steels 24 are arranged at two edges of the arc-shaped top plate 23 at intervals, and a plurality of groups are arranged. The above-mentioned arc inboard riser 21, arc outside riser 22 and arc roof 23 all preferably are 3 millimeters thick metal sheet, for example the steel sheet, all preferably adopt welded mode to connect between arc inboard riser 21 and the arc roof 23 and between arc outside riser 22 and the arc roof 23.
In this embodiment, platform sealing boot 2 hangs in ring shape sludge placement platform 1's top, the top of platform sealing boot 2 hangs through rope or support promptly, arc outside riser 22's bottom and arc inside riser 21's bottom all with ring shape sludge placement platform 1 between leave clearance 5, in order to ensure that whole and the ring shape sludge placement platform 1 of platform sealing boot 2 do not throw out, contactless, nevertheless in order to ensure the leakproofness in mud stoving chamber, can all be provided with sealing strip 6 at arc outside riser 22's bottom outer fringe and arc inside riser 21's bottom outer fringe, sealing strip 6 can cover clearance 5, realize and the sealed overlap joint between the ring shape sludge placement platform 1. In the actual operation, platform sealed cowling 2 can also locate ring shape mud place the platform 1's top through the support is supported, this support can set up on platform rotary drive or subaerial, all leave clearance 5 between the bottom of arc outside riser 22 and the bottom of arc inboard riser 21 and the ring shape mud place the platform 1, in order to ensure that platform sealed cowling 2 is whole to be disconnected from between the ring shape mud place the platform 1, contactless, but in order to ensure the leakproofness in mud stoving chamber, can all be provided with sealing strip 6 at the bottom outer fringe of arc outside riser 22 and the bottom outer fringe of arc inboard riser 21, sealing strip 6 can cover clearance 5, realize and the sealed overlap joint between the ring shape mud place the platform 1. The seal tape 6 is preferably a black rubber tape which is preferably attached to the outer edge of the bottom end of the curved outer riser 22 and the outer edge of the bottom end of the curved inner riser 21 by self-tapping.
In this embodiment, the both ends of arc roof 23 all are provided with platform curtain 7, and platform curtain 7 is used for sealing the both ends in mud stoving chamber to further ensure the leakproofness in mud stoving chamber. The platform curtain 7 is a soft curtain and does not obstruct the normal transmission of the sludge on the annular sludge placing platform 1; preferably, the platform curtain 7 is installed on the arc-shaped top plate 23 by adopting the structural arrangement form of the existing security check curtain and is made of black materials.
In this embodiment, the sludge drying chamber is used as a main sludge drying section, and can occupy 3/4-7/8 arc lengths of the annular sludge placing platform 1, that is, the part of the annular sludge placing platform 1 covered by the platform sealing cover 2 is 3/4-7/8 arc lengths of the annular sludge placing platform 1. The sludge loading and unloading section 4 is in a residual arc shape, namely the arc length of 1/8-1/4 of the annular sludge placing platform 1. Under general conditions, the annular sludge placing platform 1 rotates in a single direction, for example, anticlockwise rotation or clockwise rotation is carried out, sludge to be dried firstly enters the sludge drying cavity from the sludge loading and unloading section 4, firstly enters the sludge drying cavity through one end of the platform sealing cover 2, then is discharged from the sludge drying cavity through the other end of the platform sealing cover 2, and simultaneously enters the sludge loading and unloading section 4, if the sludge meets the drying requirement, the sludge can be directly unloaded from the sludge loading and unloading section 4, and if the sludge does not meet the drying requirement, the sludge can continuously rotate along with the annular sludge placing platform 1 and then enters the sludge drying cavity for drying treatment. One end of the platform sealing cover 2 for entering the sludge can be called as a sludge inlet, one end for exiting the sludge can be called as a sludge outlet, and the platform curtain 7 is arranged at the sludge inlet and the sludge outlet.
In this embodiment, heat induction pipe 3 is provided with many, and many heat induction pipes 3 along the periphery interval distribution of ring shape mud placement platform 1. As a preferable mode, two groups of heat introducing pipes 3 are arranged, and the two groups of heat introducing pipes 3 are respectively positioned at two ends of the sludge drying cavity, namely the two groups of heat introducing pipes 3 are respectively positioned at the sludge inlet and the sludge outlet; any one group of heat introducing pipes 3 includes more than one heat introducing pipe 3, for example, as shown in fig. 1, three heat introducing pipes 3 are provided in any one group of heat introducing pipes 3. After the sludge enters the sludge drying cavity, the heat at the sludge inlet can be driven to circulate, and when the sludge is about to reach the sludge outlet, the heat led out by the heat leading-in pipe 3 at the sludge outlet strengthens the drying of the sludge, thereby achieving a good drying effect. Of course, in actual operation, also can evenly arrange many heat induction pipes 3 along the circumference interval of ring shape mud placement platform 1, though the stoving effect can be more considerable, this scheme that only sets up heat induction pipe 3 at mud import and mud export relatively, area is bigger, and the installation is more loaded down with trivial details, especially when the underpass of heat induction pipe 3 connection tunnel kiln etc. has increased the installation degree of difficulty and installation cost.
In the embodiment, the platform rotary drive comprises an operation supporting I-shaped steel 8, a driving roller 9 and a driven roller, and the top end of the operation supporting I-shaped steel 8 is fixedly connected to the bottom of the annular sludge placing platform 1; the driving roller 9 is supported below the annular sludge placing platform 1 through a driving roller support 10, and the driving roller 9 is in contact fit with the bottom end of the running support I-shaped steel 8; the driven roller is supported below the annular sludge placing platform 1 through a driven roller bracket 11, and is in contact fit with the bottom end of the operation supporting I-shaped steel 8; initiative gyro wheel 9 and driven gyro wheel are provided with the multiunit respectively, and multiunit initiative gyro wheel 9 and multiunit driven gyro wheel along the circumference alternately spaced distribution of ring shape mud placement platform 1, and between every adjacent initiative gyro wheel promptly, the interlude sets up more than a set of driven gyro wheel. Any one driving roller 9 is connected with a driving motor, and the driving motor can be connected with the driving roller 9 through a gear chain assembly, a gear transmission belt assembly or a coupling and other power rotating parts to drive the driving roller 9 to rotate, so that the circular sludge placing platform 1 is driven to rotate.
In this embodiment, the operation supporting i-steel 8 and the annular sludge placing platform 1 are preferably welded together. In the radial direction of the circular sludge placing platform 1, as shown in fig. 5, a plurality of groups of operation supporting i-beams 8 can be arranged at intervals, and a driving roller 9 or a driven roller is arranged below any one operation supporting i-beam 8.
In this embodiment, the driving device further comprises a frequency conversion cabinet, and any one of the driving motors is in communication connection with the frequency conversion cabinet so as to adjust the operating speed of the driving motor by controlling frequency conversion. The frequency conversion cabinet is an existing motor control system and is not described herein again. In practical operation, the driving motor can be in communication connection with the frequency conversion cabinet through a cable.
The mud drying device that this embodiment provided, novel structure is reasonable, its ring shape mud place the platform is used for placing mud and conveying mud specially, utilize external heat source to dry mud simultaneously, mud gets into the one end in mud stoving chamber under ring shape mud place the platform's drive, at ring shape mud place the platform rotation process, can drive the heat circulation in mud stoving intracavity, it dries to being in the mud of mud stoving intracavity, the mud of following the other end in mud stoving chamber and roll out is the mud after drying promptly, can follow the mud loading and unloading section and lift the mud after will drying off. Compared with other methods, the sludge drying device occupies a small area, reduces resource waste, does not need manual tedding, reduces cost expenditure, is not limited by weather factors, and greatly reduces the drying period.
In this embodiment, the sealing strip has been lapped between mud stoving chamber and ring shape mud place the platform to both ends in mud stoving chamber have been equipped with the platform curtain, make mud stoving chamber in the in-process of guaranteeing the normal transportation of mud, be in relative totally enclosed state, not only can ensure that the heat does not leak outward, and reducible mud peculiar smell distributes simultaneously, has improved sludge treatment workshop environment.
Example two
The embodiment provides a sludge drying system 200 using waste heat of a mobile tunnel kiln, which mainly comprises a mobile tunnel kiln 12, a waste heat underground passage 13 and a sludge drying device 100 as described in the first embodiment, wherein one end of the waste heat underground passage 13 is connected with a heat inlet pipe 3 through a collecting elbow 14, and the other end of the waste heat underground passage is connected with a cooling section of the mobile tunnel kiln 12 through a waste heat collecting device 15, so as to guide heat exchange waste heat of the cooling section into a sludge drying cavity.
In this embodiment, the mobile tunnel kiln 12 is a conventional mobile tunnel kiln, and the detailed structure and operation principle thereof are not described herein again.
In this embodiment, the waste heat collecting device 15 is preferably an exhaust fan, as shown in fig. 3 and 4, which pumps heat from the cooling section of the mobile tunnel kiln 12 to the waste heat underground passage 13, the waste heat underground passage 13 is a flue built by bricks, and the collected waste heat flows to the collecting elbow 14 through the waste heat underground passage 13; the collecting elbow 14 is formed by welding steel plates, and waste heat flows into the sludge drying cavity through the collecting elbow 14.
According to the sludge drying system utilizing the waste heat of the movable tunnel kiln, the waste heat of the cooling section of the tunnel kiln is utilized, the waste heat flows into the sludge drying cavity through the waste heat underground flue, and the waste heat circulation effect is achieved through the rotation of the annular sludge placing platform 1, so that the sludge is dried; the system not only realizes the combined use of the sludge drying device and other equipment in a kiln plant, but also realizes the reutilization of waste resources, and is beneficial to environmental protection. The sludge drying cavity is basically sealed, so that the odor pollution is small; the change of weather factors is reduced due to heat conduction, the cycle time of the sludge drying cycle is shortened, the time of manually digging the machine is saved, and the problem that the sludge is naturally aired to occupy a large area is solved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. The utility model provides a sludge drying device which characterized in that includes:
the sludge placing platform is in a circular shape and is used for placing sludge;
the platform sealing cover is arranged above the annular sludge placing platform and is movably matched with the annular sludge placing platform; the platform sealing cover can cover a part of the circular sludge placing platform, so that a sludge drying cavity is formed between the platform sealing cover and the circular sludge placing platform covered by the platform sealing cover; the part of the annular sludge placing platform which is not covered by the platform sealing cover is a sludge loading and unloading section;
the platform rotation drive is connected with the annular sludge placing platform and is used for driving the annular sludge placing platform to rotate relative to the platform sealing cover;
the heat induction pipe, the one end of heat induction pipe with the platform sealed cowling is connected, and the other end is used for external heat source, the heat induction pipe is used for leading-in the heat mud stoving chamber, in order to right mud on the ring shape mud place the platform is dried.
2. The sludge drying apparatus of claim 1, wherein the platform enclosure is a three-sided enclosure comprising:
the bottom end of the arc-shaped inner side vertical plate corresponds to the inner edge of the annular sludge placing platform;
the arc-shaped outer side vertical plate is sleeved on the outer ring of the arc-shaped inner side vertical plate, and the bottom end of the arc-shaped outer side vertical plate corresponds to the outer edge of the annular sludge placing platform;
the arc roof, the arc roof set up in the arc outside riser with between the arc inboard riser, just the inner edge and the outer fringe of arc roof respectively with the top of the inboard riser of arc the top of arc outside riser is connected.
3. The sludge drying device according to claim 2, wherein the platform sealing cover is suspended above the circular sludge placing platform, and gaps are reserved between the bottom ends of the arc-shaped outer side vertical plates and the circular sludge placing platform and between the bottom ends of the arc-shaped inner side vertical plates and the circular sludge placing platform; the bottom of the arc-shaped outer side vertical plate and the bottom of the arc-shaped inner side vertical plate are both provided with sealing belts so as to be in sealing lap joint with the annular sludge storage platform.
4. The sludge drying device according to claim 2, wherein the platform sealing cover is supported above the annular sludge placing platform through a support, and gaps are reserved between the bottom ends of the arc-shaped outer side vertical plates and the annular sludge placing platform and between the bottom ends of the arc-shaped inner side vertical plates and the annular sludge placing platform; sealing belts are arranged at the bottom ends of the arc-shaped outer side vertical plates and the bottom ends of the arc-shaped inner side vertical plates, and are in sealing lap joint with the annular sludge placing platform;
the support is arranged on the platform rotation drive or on the ground.
5. The sludge drying device as claimed in claim 2, wherein supporting angle steel is arranged at the connecting position of the arc-shaped top plate and the arc-shaped outer side vertical plate and the connecting position of the arc-shaped top plate and the arc-shaped inner side vertical plate.
6. The sludge drying device as claimed in claim 2, wherein platform curtains are arranged at both ends of the arc-shaped top plate, and the platform curtains are used for sealing both ends of the sludge drying cavity.
7. The sludge drying device as claimed in any one of claims 1 to 6, wherein the sludge loading and unloading section is 1/8 to 1/4 arc length of the annular sludge placing platform; the part of the circular sludge placing platform covered by the platform sealing cover is 3/4-7/8 arc length of the circular sludge placing platform.
8. The sludge drying device according to any one of claims 1 to 6, wherein two sets of heat introducing pipes are arranged, and the two sets of heat introducing pipes are respectively positioned at two ends of the sludge drying cavity; any one group of the heat leading-in pipes comprises more than one heat leading-in pipe.
9. The sludge drying apparatus as claimed in any one of claims 1 to 6, wherein the platform rotation drive comprises:
the top end of the running support I-shaped steel is fixedly connected to the bottom of the annular sludge placing platform;
the driving idler wheel is supported below the annular sludge placing platform through a driving idler wheel support and is in contact fit with the bottom end of the running support I-shaped steel;
the driven roller is supported below the annular sludge placing platform through a driven roller support and is in contact fit with the bottom end of the operation supporting I-shaped steel;
the driving idler wheels and the driven idler wheels are respectively provided with a plurality of groups, and the plurality of groups of driving idler wheels and the plurality of groups of driven idler wheels are distributed along the circumferential direction of the annular sludge placing platform in a crossed and spaced mode; any one of the driving rollers is connected with a driving motor.
10. The sludge drying system utilizing the waste heat of the movable tunnel kiln is characterized by comprising the movable tunnel kiln, a waste heat underground passage and the sludge drying device according to any one of claims 1 to 9, wherein one end of the waste heat underground passage is connected with the heat leading-in pipe through a collecting elbow, and the other end of the waste heat underground passage is connected with the cooling section of the movable tunnel kiln through a waste heat collecting device, so that the heat exchange waste heat of the cooling section is led into the sludge drying cavity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210491242.XA CN114685025A (en) | 2022-05-07 | 2022-05-07 | Sludge drying device and sludge drying system using waste heat of movable tunnel kiln |
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| CN202210491242.XA CN114685025A (en) | 2022-05-07 | 2022-05-07 | Sludge drying device and sludge drying system using waste heat of movable tunnel kiln |
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| CN (1) | CN114685025A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202214278U (en) * | 2011-05-16 | 2012-05-09 | 南京鑫翔新型建筑材料有限责任公司 | Device for desiccating sludge by using waste heat of tunnel kiln |
| EP2703365A1 (en) * | 2012-08-28 | 2014-03-05 | I + M Verwaltungs-GmbH | Device for drying sewage sludge |
| CN204535317U (en) * | 2014-12-30 | 2015-08-05 | 兰州奇正粉体装备技术有限公司 | A kind of continuous type drying device |
| CN217418500U (en) * | 2022-05-07 | 2022-09-13 | 睢县亚新智能科技环保有限公司 | Sludge drying device and sludge drying system using waste heat of movable tunnel kiln |
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- 2022-05-07 CN CN202210491242.XA patent/CN114685025A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202214278U (en) * | 2011-05-16 | 2012-05-09 | 南京鑫翔新型建筑材料有限责任公司 | Device for desiccating sludge by using waste heat of tunnel kiln |
| EP2703365A1 (en) * | 2012-08-28 | 2014-03-05 | I + M Verwaltungs-GmbH | Device for drying sewage sludge |
| CN204535317U (en) * | 2014-12-30 | 2015-08-05 | 兰州奇正粉体装备技术有限公司 | A kind of continuous type drying device |
| CN217418500U (en) * | 2022-05-07 | 2022-09-13 | 睢县亚新智能科技环保有限公司 | Sludge drying device and sludge drying system using waste heat of movable tunnel kiln |
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