CN116425390B - Feed distributor and sludge drying equipment comprising same - Google Patents
Feed distributor and sludge drying equipment comprising same Download PDFInfo
- Publication number
- CN116425390B CN116425390B CN202310268141.0A CN202310268141A CN116425390B CN 116425390 B CN116425390 B CN 116425390B CN 202310268141 A CN202310268141 A CN 202310268141A CN 116425390 B CN116425390 B CN 116425390B
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- Prior art keywords
- sealing
- bearing
- air bag
- transmission shaft
- air
- Prior art date
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- 239000010802 sludge Substances 0.000 title claims abstract description 21
- 238000001035 drying Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 126
- 230000005540 biological transmission Effects 0.000 claims abstract description 63
- 239000000428 dust Substances 0.000 claims abstract description 61
- 230000001681 protective effect Effects 0.000 claims description 27
- 238000005520 cutting process Methods 0.000 claims description 18
- 238000007664 blowing Methods 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 21
- 230000000694 effects Effects 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 6
- 230000007774 longterm Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a feeding distributor and sludge drying equipment comprising the same, wherein the feeding distributor further comprises a sealing air bag, the sealing air bag is attached to a shell, and the sealing air bag is sleeved on a transmission shaft and shields a gap between the shell and the transmission shaft; the feeding distributor comprises an air inlet device, the air inlet device is communicated with the sealing air bag, and the air inlet device only inputs air to the sealing air bag. The transmission shaft penetrates through the shell, the sealing air bag is attached to one side of the shell and shields a gap between the shell and the transmission shaft, and the sealing of the gap between the shell and the transmission shaft is achieved by inputting gas into the sealing air bag. The air inlet device is communicated with the sealing air bag and inputs air into the sealing air bag, so that the connection between the air inlet device and the sealing air bag is simplified, links of possibly generating air leakage or introducing external water vapor and dust are reduced, the sealing reliability is improved, the requirement of the feeding distributor on sealing conditions is reduced, and the shaft seal is more flexibly arranged.
Description
Technical Field
The invention relates to the technical field of sludge drying treatment, in particular to a feeding distributor and sludge drying equipment comprising the same.
Background
The sludge drying feeding distributor is characterized in that sludge is cut into sludge particles meeting the process requirements by utilizing rotating blades, wherein a driving device drives the blades to cut through a transmission shaft, and a large amount of dust is generated in the cutting process to cause the blockage of a bearing, so that the bearing and the driving device are arranged outside the shell through the shell, and the position of the transmission shaft penetrating through the shell is sealed by using a sealing device.
The shaft seal component of the existing feeding distributor is usually of a gas seal structure, the sealing gas of the gas seal structure is circulating gas in the sludge drying device, but part of dust and moisture can be mixed into the gas in the sludge drying process of the existing sludge drying device, the dust and the moisture enter the gas seal structure after being conveyed by the gas conveying device, the moisture and the dust can be mixed and adhered to the inner wall of the gas seal structure to form a block after a period of time, the sealing effect of the gas seal structure is reduced, the dust overflows, the overflowed dust is continuously adhered to the inner bearing of the transmission structure, the transmission structure is blocked until the transmission structure is blocked, and the whole equipment is finally stopped for maintenance.
The application with publication number CN112390498A discloses a sludge fluidized bed drying system adopting a gas seal sludge feed distributor, which can provide an inert gas source with stable pressure, meets the mechanical process requirement of the main shaft seal of the sludge feed distributor, has little gas impurity, basically removes moisture, belongs to dry clean gas, can continuously and uninterruptedly realize variable requirements, and has higher stable supply reliability for the operation of equipment systems. However, the shaft seal and the sludge drying equipment in the prior art share the same air source, the connecting structure is complex, and air leakage or external water vapor and dust introduction are easy to occur.
Disclosure of Invention
The invention aims to solve the technical problems that in the prior art, a shaft seal of a feeding distributor and sludge drying equipment share the same air source, the connecting structure is complex, and air leakage or external water vapor and dust introduction are easy to occur.
The invention solves the technical problems by the following technical scheme:
The feeding distributor further comprises a sealing air bag, wherein the sealing air bag is attached to the shell, and the sealing air bag is sleeved on the transmission shaft and shields a gap between the shell and the transmission shaft;
The feed distributor comprises an air inlet device which is communicated with the sealing air bag and only inputs air to the sealing air bag.
In this scheme, the casing is worn to locate by the transmission shaft, and sealed gasbag laminating is in one side of casing and shelter from the clearance between casing and the transmission shaft, realizes the sealing to the gap between casing and the transmission shaft through the gas input in to sealed gasbag. The air inlet device is communicated with the sealing air bag and inputs air into the sealing air bag, so that the connection between the air inlet device and the sealing air bag is simplified, links of possibly generating air leakage or introducing external water vapor and dust are reduced, the sealing reliability is improved, the requirement of the feeding distributor on sealing conditions is reduced, and the shaft seal is more flexibly arranged.
Preferably, the feed distributor further comprises:
An air pressure sensor for detecting an air pressure value inside the sealed air bag;
the control device is used for controlling the air inlet device to be opened when the detected air pressure value is smaller than a preset air pressure value; when the detected air pressure value reaches a preset air pressure value, the control device is used for controlling the air inlet device to be closed.
In the scheme, an air pressure sensor is arranged for monitoring the air pressure value inside the sealed air bag in real time, and the air pressure sensor is electrically connected with the control device. When the air pressure in the sealed air bag is smaller than a preset air pressure value, the control device controls the air inlet device to be opened, and the air inlet device inputs air into the sealed air bag; when the detected air pressure value reaches the preset air pressure value, the control device controls the air inlet device to be closed, and the air inlet device stops inputting air into the sealed air bag. Through the arrangement, the sealing effect of the sealing air bag is ensured, and the sealing reliability of the sealing air bag is improved.
Preferably, the feeding distributor comprises a sealing base, the sealing base is fixedly arranged on the shell, a cavity is formed in the sealing base to accommodate the sealing air bag, and the transmission shaft sequentially penetrates through the sealing air bag and the shell.
In this scheme, seal base and casing fixed connection are in order to hold sealed gasbag through setting up the cavity, and seal base can be fixed in the position of laminating casing with sealed gasbag, reduces the risk that sealed gasbag slided relatively for the transmission shaft, but when the gas pressure in the sealed gasbag is enough big, through seal base along the circumference outside of sealed gasbag fixed, inwards extrudees and then ensures sealed gasbag's sealing reliability.
Preferably, the feeding distributor comprises a bearing, a supporting seat, a power device and a cutting device, wherein the cutting device is arranged at the first end of the transmission shaft, the power device is fixedly arranged at the second end of the transmission shaft, the bearing is fixedly arranged on the supporting seat, the bearing is positioned at one side, far away from the cutting device, of the sealing air bag, and the transmission shaft penetrates through the bearing;
The feed distributor comprises a blowing device which is arranged on one side of the bearing away from the sealing air bag.
In this scheme, the outer lane of bearing is fixed in the supporting seat, and the bearing inner circle is connected with the transmission shaft in order to support the transmission shaft, reduces the risk that the transmission shaft takes place the skew, ensures the reliable operation of feed distributor. The bearing sets up in sealed gasbag one side of keeping away from cutting device, and at the feed distributor during operation, cutting device cuts mud and produces the dust, avoids the dust adhesion to the bearing through sealing device on, reduces the risk of bearing jam. Through setting up blast apparatus in the one side that the sealed gasbag was kept away from to the bearing, blast apparatus carries out the blast air towards the direction of bearing for the air that probably contains the dust near the sealed gasbag flows to the direction of keeping away from the bearing, reduces the dust adhesion and causes the risk of bearing jam on the bearing, further ensures the normal operating of feed distributor. In particular in the event of failure of the shaft seal of the feed distributor, by means of the arrangement described above, dust-laden air can be flowed away from the bearing, in order to ensure a reliable operation of the feed distributor over a long period of time.
Preferably, the blower is fixed to the drive shaft.
In the scheme, when the feeding distributor works, the transmission shaft rotates to drive the air blowing device to operate, so that air possibly containing dust near the sealing air bag flows in a direction away from the bearing, and the risk of bearing blocking caused by adhesion of the dust to the bearing is reduced; and the structure of the feeding distributor is simplified, and the feeding distributor is convenient to assemble.
Preferably, the feed dispenser comprises a protective shell, wherein a containing cavity is formed in the protective shell, and the bearing is located in the containing cavity.
In this scheme, the bearing is located the inside chamber that holds of protective housing, contains the air of dust through the protective housing separation, further reduces the dust adhesion and causes the risk of bearing jam on the bearing, ensures the operation of feed distributor. In particular in the event of failure of the shaft seal of the feed distributor, by means of the arrangement described above, dust-laden air can be insulated, providing protection for the bearing, ensuring a reliable operation of the feed distributor over a long period of time.
Preferably, the feed distributor comprises a filter portion disposed between the bearing and the sealing bladder.
In this scheme, through setting up the filter part, when the air flows to the bearing, the dust in the air can be filtered by the filter part, further reduces the dust adhesion and causes the risk of bearing jam on the bearing, ensures the operational reliability of feed distributor. In particular in the event of failure of the shaft seal of the feed distributor, by means of the arrangement described above, protection of the bearing can be provided by dust filtering to ensure a reliable operation of the feed distributor over a long period of time.
Preferably, the air blowing device is arranged in the accommodating cavity, the protective shell comprises a side plate, the side plate is arranged along the circumferential direction of the bearing, the filtering part is connected with one end of the side plate, and an exhaust hole is formed in one end, close to the filtering part, of the side plate;
And/or the filtering part is provided with a groove, and the supporting seat is arranged in the groove in a penetrating way and is fixed on the shell.
In this scheme, the curb plate is provided with the exhaust hole, and the air-blast device operation makes the air that probably contains the dust flow to the direction of keeping away from the bearing, and gaseous discharge protective housing through the exhaust, further reduces the dust adhesion and causes the risk of bearing jam on the bearing, ensures the operational reliability of feed distributor.
The filter part is directly connected with the protective housing, the setting of the filter part of being convenient for, the supporting seat wears to locate the groove that sets up on the filter part and be connected with the casing, is favorable to fixed bearing, reduces the risk that the transmission shaft takes place the skew, and the operation of transmission shaft is not interfered with in the setting of protective housing and filter part simultaneously, simplifies the structure of feed distributor, ensures the operational reliability of feed distributor.
Preferably, a dust sensor is arranged in the accommodating cavity;
And/or the supporting seat comprises a plurality of L-shaped brackets, and the L-shaped brackets are arranged at intervals along the circumferential direction of the bearing; the L-shaped support comprises a horizontal part and a supporting part, wherein the supporting part is used for fixing the bearing, and the horizontal part penetrates through the filtering part and is fixed on the shell.
In this scheme, dust sensor can real-time measurement hold the inside dust content of chamber, and the user of being convenient for monitors feed sensor's state in real time, maintains feed sensor when dust content is higher, reduces and reduces the dust adhesion and cause the risk of bearing jam on the bearing, is favorable to feed sensor's normal operating.
Through the setting to the supporting seat, can play fixed effect to the bearing in all directions to the reliability of lifting bearing to the support of transmission shaft is favorable to the long-term operation of feed distributor. When the horizontal part of L shape support wears to locate the filter house, the groove setting of filter house is less, is difficult for influencing the normal use of filter house, reduces the dust adhesion and causes the risk of bearing jam on the bearing, ensures the operational reliability of feed distributor.
A sludge drying apparatus comprising a feed distributor as described above.
The invention has the positive progress effects that: the transmission shaft penetrates through the shell, the sealing air bag is attached to one side of the shell and shields a gap between the shell and the transmission shaft, and the sealing of the gap between the shell and the transmission shaft is achieved by inputting gas into the sealing air bag. The air inlet device is communicated with the sealing air bag and inputs air into the sealing air bag, so that the connection between the air inlet device and the sealing air bag is simplified, links of possibly generating air leakage or introducing external water vapor and dust are reduced, the sealing reliability is improved, the requirement of the feeding distributor on sealing conditions is reduced, and the shaft seal is more flexibly arranged.
Drawings
FIG. 1 is a schematic side view of a feed distributor according to an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of the protective housing of the feed dispenser shown in FIG. 1;
FIG. 3 is an enlarged partial schematic view of the internal structure of the protective housing of the feed dispenser shown in FIG. 1;
FIG. 4 is a schematic view of the feed distributor cutting apparatus shown in FIG. 1;
Fig. 5 is a schematic view of the filter portion of the feed dispenser containment vessel shown in fig. 1.
Shell 1
Transmission shaft 2
Cutting device 3
Sealing device 4
Sealing airbag 41
Seal base 42
Bearing 5
Support seat 6
Protective housing 7
Filter unit 8
Exhaust hole 9
Blower device 10
Power plant 11
Dust sensor 12
Detailed Description
The invention is further illustrated by means of the following examples, which are not intended to limit the scope of the invention.
The embodiment provides a feeding distributor, as shown in fig. 1 and 2, the feeding distributor further comprises a sealing air bag 41, the sealing air bag 41 is attached to the shell 1, and the sealing air bag 41 is sleeved on the transmission shaft 2 and shields a gap between the shell 1 and the transmission shaft 2; the feed distributor comprises an air inlet device which communicates with the sealing bladder 41 and which feeds air only into the sealing bladder 41.
The casing 1 is provided with a hole, the transmission shaft 2 passes through the hole and is arranged in the casing 1, a gap exists between the inner wall surface of the hole and the outer wall surface of the transmission shaft 2, the sealing air bag 41 is attached to one side which can be used for shielding the gap between the casing 1 and the transmission shaft 2, and the sealing of the gap between the casing 1 and the transmission shaft 2 is realized by inputting gas into the sealing air bag 41. The air inlet device is communicated with the sealing air bag 41, and the air inlet device only inputs air into the sealing air bag 41, so that the connection between the air inlet device and the sealing air bag 41 is simplified, links which possibly generate air leakage or introduce external water vapor and dust are reduced, the sealing reliability is improved, the requirement of a feeding distributor on sealing conditions is reduced, and the shaft seal is more flexibly arranged.
As a preferred embodiment, the feed distributor further comprises: an air pressure sensor for detecting an air pressure value inside the sealed air bag 41; the control device is used for controlling the air inlet device to be opened when the detected air pressure value is smaller than a preset air pressure value; when the detected air pressure value reaches a preset air pressure value, the control device is used for controlling the air inlet device to be closed. An air pressure sensor is provided to monitor the air pressure value inside the sealed air bag 41 in real time, and the air pressure sensor is electrically connected with the control device. When the air pressure in the sealed air bag 41 is smaller than a preset air pressure value, the control device controls the air inlet device to be opened, and the air inlet device inputs air into the sealed air bag 41; when the detected air pressure value reaches the preset air pressure value, the control device controls the air inlet device to be closed, and the air inlet device stops inputting air into the sealed air bag 41. By the above arrangement, the sealing effect of the sealing airbag 41 is ensured, and the sealing reliability of the sealing airbag 41 is improved.
In particular, as shown in fig. 2 and 3, the feeding dispenser includes a sealing base 42, the sealing base 42 is fixedly disposed on the housing 1, the sealing base 42 is provided with a cavity to accommodate the sealing air bag 41, and the transmission shaft 2 sequentially passes through the sealing air bag 41 and the housing 1. The sealing base 42 is fixedly connected with the shell 1, the sealing base 42 can fix the sealing air bag 41 at the position of the attached shell 1 by arranging the cavity to contain the sealing air bag 41, the risk of relative sliding of the sealing air bag 41 relative to the transmission shaft 2 is reduced, but when the gas pressure in the sealing air bag 41 is large enough, the sealing air bag 41 is pressed inwards by the fixing of the sealing base 42 along the circumferential outer side of the sealing air bag 41, and the sealing reliability of the sealing air bag 41 is further ensured.
In this embodiment, the sealing base 42 is a cylinder with two open sides, one end of the sealing base 42, which is close to the housing 1, extends outwards along the circumferential direction, and is provided with a plurality of connecting holes at intervals, so that the sealing base is fixed with the housing 1 through a fastener. The seal base 42 extends inwardly away from an end of the housing 1, and a cavity is formed between the seal base 42 and the housing 1 to accommodate the seal airbag 41. In other alternative embodiments, the side of the sealing base 42 adjacent to the housing 1 may also extend inwardly, in which case the sealing base 42 itself has a cavity for receiving the sealing bladder 41.
In particular, the sealing base 42 and the sealing bladder 41 together form the sealing device 4. And the air inlet device can be connected with the air inlet valve and the sealing air bag 41 through the connecting pipeline, and the sealing air bag 41 is further provided with an exhaust valve so as to adjust the air pressure inside the sealing air bag 41, ensure the sealing reliability of the sealing air bag 41, and simultaneously reduce the risk that the sealing air bag 41 hinders the operation of the transmission shaft 2.
As a preferred embodiment, as shown in fig. 1 and 4, the feeding distributor comprises a bearing 5, a supporting seat 6, a power device 11 and a cutting device 3, wherein the cutting device 3 is arranged at a first end of a transmission shaft 2, the power device 11 is fixedly arranged at a second end of the transmission shaft 2, the bearing 5 is fixedly arranged on the supporting seat 6, the bearing 5 is positioned at one side of a sealing air bag 41 far away from the cutting device 3, and the transmission shaft 2 penetrates through the bearing 5; the feed distributor comprises a blowing device 10, the blowing device 10 being arranged on the side of the bearing 5 remote from the sealing bladder 41. In particular in the event of failure of the shaft seal of the feed distributor, by means of the arrangement described above, dust-laden air can be flowed away from the bearing 5, in order to ensure a reliable operation of the feed distributor over a long period of time.
The outer ring of the bearing 5 is fixed on the supporting seat 6, the inner ring of the bearing 5 is connected with the transmission shaft 2 to support the transmission shaft 2, the risk of the transmission shaft 2 shifting is reduced, and the reliable operation of the feeding distributor is ensured. The bearing 5 sets up in sealed gasbag 41 one side of keeping away from cutting device 3, and at the feed distributor during operation, cutting device 3 cuts mud and produces the dust, avoids the dust adhesion to bearing 5 through sealing device 4, reduces the risk of bearing 5 jam. By arranging the air blowing device 10 on one side of the bearing 5 far away from the sealing air bag 41, the air blowing device 10 blows air towards the bearing 5, so that air possibly containing dust near the sealing air bag 41 flows towards the direction far away from the bearing 5, the risk of dust adhering to the bearing 5 to cause jamming of the bearing 5 is reduced, and the normal operation of the feeding distributor is further ensured.
As a preferred embodiment, the blower 10 is fixed to the drive shaft 2 as shown in fig. 3. When the feeding distributor works, the transmission shaft 2 rotates to drive the air blowing device 10 to operate, so that air possibly containing dust near the sealing air bag 41 flows away from the bearing 5, and the risk of jamming of the bearing 5 caused by adhesion of the dust to the bearing 5 is reduced; and the structure of the feeding distributor is simplified, and the feeding distributor is convenient to assemble. In the present embodiment, the blower 10 is a blade that is fitted over and fixed to the drive shaft 2.
As a preferred embodiment, as shown in fig. 1 and 2, the feed dispenser comprises a protective shell 7, the interior of the protective shell 7 forming a receiving cavity, and the bearing 5 being located inside the receiving cavity. The bearing 5 is located the inside chamber that holds of protective housing 7, and the air that contains the dust through protective housing 7 separation further reduces the dust adhesion and causes the risk of bearing 5 jam on the bearing 5, ensures the operation of feed distributor. In particular in the event of failure of the shaft seal of the feed distributor, by means of the arrangement described above, dust-laden air can be insulated, providing protection for the bearing 5, ensuring a reliable operation of the feed distributor over a long period of time. In this embodiment, the protective housing 7 is sleeved on the bearing 5, and a sealing ring for a shaft is installed at the sleeved position.
As a preferred embodiment, as shown in fig. 5, the feed distributor comprises a filter portion 8, the filter portion 8 being arranged between the bearing 5 and the sealing bladder 41. Through setting up filter part 8, when the air flows to bearing 5, the dust in the air can be filtered by filter part 8, further reduces the dust adhesion and causes the risk of bearing 5 jam on the bearing 5, ensures the operational reliability of feed distributor. In particular in the event of failure of the shaft seal of the feed distributor, by means of the arrangement described above, protection can be provided for the bearing 5 by dust filtration to ensure a reliable operation of the feed distributor over a long period of time.
In the present embodiment, the filter 8 is a side end surface of the protective case 7 near the housing 1, and in other alternative embodiments, the filter 8 may be disposed inside the accommodating cavity of the protective case 7.
As a preferred embodiment, as shown in fig. 3, the blower device 10 is disposed inside the housing chamber, the protective housing 7 includes a side plate disposed along the circumferential direction of the bearing 5, the filter portion 8 is connected to one end of the side plate, and an exhaust hole 9 is provided near one end of the filter portion 8. The side plates are provided with exhaust holes 9, the air blowing device 10 operates to enable air possibly containing dust to flow in a direction away from the bearing 5, and the air is discharged out of the protective shell 7 through the exhaust period, so that the risk of jamming of the bearing 5 caused by adhesion of dust to the bearing 5 is further reduced, and the operation reliability of the feeding distributor is ensured.
In particular, as shown in fig. 5, the filter unit 8 is provided with a groove, and the support base 6 is fixed to the housing 1 by penetrating the groove. The filter house 8 is direct to be connected with the protective housing 7, and the setting of filter house 8 of being convenient for, the supporting seat 6 wears to locate the groove that sets up on the filter house 8 and be connected with casing 1, is favorable to fixed bearing 5, reduces the risk that transmission shaft 2 takes place the skew, and the operation of transmission shaft 2 is not interfered with in the setting of protective housing 7 and filter house 8 simultaneously, simplifies the structure of feed distributor, ensures the operational reliability of feed distributor.
In this embodiment, the groove sets up along the marginal circumference interval 90 of filter unit 8 to set up in cooperation with the cross sectional shape of supporting seat 6, reduce the air that probably contains the dust and get into from groove and supporting seat 6 complex gap and hold the intracavity portion, reduce the dust adhesion and cause the risk of bearing 5 jam on the bearing 5, ensure the operational reliability of feed distributor.
In particular, the housing chamber is internally provided with a dust sensor 12. The dust sensor 12 can measure the dust content of holding the intracavity portion in real time, and the user of being convenient for monitors the state of feed sensor in real time, maintains the feed sensor when dust content is higher, reduces the dust adhesion and causes the risk of bearing 5 jam on the bearing 5, is favorable to the normal operating of feed sensor. In the present embodiment, the dust sensor 12 is an infrared dust sensor.
As a preferred embodiment, the support base 6 includes a plurality of L-shaped brackets, the L-shaped brackets are disposed at intervals along the circumferential direction of the bearing 5, the L-shaped brackets include a horizontal portion and a support portion, the support portion is used for fixing the bearing, and the horizontal portion is disposed through the filtering portion and is fixed to the housing. In this embodiment, the 4 support seats 6 are arranged at 90 ° intervals, so as to ensure the support of the bearing 5 on the transmission shaft 2 in all directions, which is beneficial to the operation of the feeding distributor. Through the setting to supporting seat 6, can play fixed effect to bearing 5 in all directions to promote the reliability that bearing 5 supported drive shaft 2, be favorable to the long-term operation of feed distributor. When the horizontal part of L shape support wears to locate filtering part 8, the groove setting of filtering part 8 is less, is difficult for influencing the normal use of filtering part 8, reduces the dust adhesion and causes the risk of bearing 5 jam on the bearing 5, ensures the operational reliability of feed distributor.
In other alternative embodiments, the support seat 6 may take other forms, for example, be disposed below the bearing 5, and support the bearing 5 in the vertical direction; or, for example, 2L-shaped brackets may be provided, the supports of which are respectively fixed to the upper and lower ends of the bearing 5.
When the feeding distributor works, the power device 11 drives the cutting device 3 to operate through the transmission shaft 2, and the cutting device 3 cuts sludge into sludge particles, and dust is generated in the process. By providing the sealing means 4, the risk of dust escaping from the gap between the housing 1 and the drive shaft 2 and adhering to the bearing 5 causing jamming of the bearing 5 is reduced. The gas entering the protective shell 7 is further filtered through the filtering part 8, so that the concentration of dust in the gas is reduced. The inside of the protective shell 7 is also provided with the air blowing device 10, the air blowing device 10 is fixed on the transmission shaft 2, the transmission shaft 2 rotates to drive the air blowing device 10 to operate, the air is blown in the direction away from the bearing, the risk of jamming of the bearing 5 caused by adhesion of dust to the bearing 5 is further reduced, and the long-term reliable operation of the feeding distributor is ensured.
The invention also provides a sludge drying device comprising the feed distributor. The transmission shaft 2 of the feeding distributor penetrates through the shell 1, the sealing air bag 41 is attached to one side of the shell 1 and sleeved on the transmission shaft 2, and the sealing of a gap between the shell 1 and the transmission shaft 2 is achieved by inputting gas into the sealing air bag 41. The air inlet device is communicated with the sealing air bag 41 and inputs clean air to the sealing air bag 41, the air inlet device is simply connected with the sealing air bag 41, links of gas leakage or introduction of external water vapor and dust are reduced, sealing reliability is improved, requirements on sealing conditions are reduced, and the sealing air bag is more flexible to use.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.
Claims (7)
1. The feeding distributor comprises a transmission shaft and a shell, and is characterized by further comprising a sealing air bag, wherein the sealing air bag is attached to the shell, and the sealing air bag is sleeved on the transmission shaft and shields a gap between the shell and the transmission shaft;
the feeding distributor comprises an air inlet device, wherein the air inlet device is communicated with the sealing air bag, and the air inlet device only inputs air to the sealing air bag;
The feeding distributor comprises a bearing, a supporting seat, a power device and a cutting device, wherein the cutting device is arranged at the first end of the transmission shaft, the power device is fixedly arranged at the second end of the transmission shaft, the bearing is fixedly arranged on the supporting seat, the bearing is positioned at one side, far away from the cutting device, of the sealing air bag, and the transmission shaft penetrates through the bearing;
the feeding distributor further comprises a blowing device, wherein the blowing device is arranged on one side of the bearing away from the sealing air bag;
the air blowing device is fixed on the transmission shaft;
The feeding distributor comprises a protective shell, wherein a containing cavity is formed in the protective shell, and the bearing is positioned in the containing cavity;
the interior of the accommodating cavity is provided with a dust sensor.
2. The feed dispenser of claim 1, wherein the feed dispenser further comprises:
An air pressure sensor for detecting an air pressure value inside the sealed air bag;
the control device is used for controlling the air inlet device to be opened when the detected air pressure value is smaller than a preset air pressure value; when the detected air pressure value reaches a preset air pressure value, the control device is used for controlling the air inlet device to be closed.
3. The feed dispenser of claim 1, comprising a seal base fixedly disposed to the housing, the seal base having a cavity to receive the seal bladder, the drive shaft passing sequentially through the seal bladder and the housing.
4. The feed dispenser of claim 1, comprising a filter portion disposed between the bearing and the sealing bladder.
5. The feed dispenser of claim 4, wherein the blower is disposed within the receiving chamber, the protective shell includes a side plate disposed circumferentially about the bearing, the filter portion is connected to one end of the side plate, and an exhaust port is disposed at an end of the side plate adjacent the filter portion;
And/or the filtering part is provided with a groove, and the supporting seat is arranged in the groove in a penetrating way and is fixed on the shell.
6. The feed dispenser of claim 4, wherein the support base comprises a plurality of L-shaped brackets spaced circumferentially about the bearing; the L-shaped support comprises a horizontal part and a supporting part, wherein the supporting part is used for fixing the bearing, and the horizontal part penetrates through the filtering part and is fixed on the shell.
7. A sludge drying apparatus comprising a feed distributor as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN116425390B true CN116425390B (en) | 2024-05-28 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR880009682A (en) * | 1987-02-04 | 1988-10-04 | 하인리히 괴츠.하랄트 리이거 | How to condition dust-containing exhaust |
| JP2001314806A (en) * | 2000-05-09 | 2001-11-13 | Honda Motor Co Ltd | Powder coating feeder |
| JP2010228911A (en) * | 2009-03-04 | 2010-10-14 | Yms:Kk | Screw feeder |
| CN209451641U (en) * | 2018-12-11 | 2019-10-01 | 武汉长利玻璃(汉南)有限公司 | Circulating ash batcher drive mechanism |
| CN210583731U (en) * | 2019-06-26 | 2020-05-22 | 天津大沽化工股份有限公司 | Gas-liquid two-phase feeding distributor of polyethylbenzene tower reboiler |
| CN112390498A (en) * | 2019-08-16 | 2021-02-23 | 上海城投污水处理有限公司 | Sludge fluidized bed drying system adopting air-sealed sludge feeding distributor |
| CN217367290U (en) * | 2022-05-31 | 2022-09-06 | 菏泽市生态环境事务中心 | Activated carbon filter for sewage treatment |
-
2023
- 2023-03-17 CN CN202310268141.0A patent/CN116425390B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR880009682A (en) * | 1987-02-04 | 1988-10-04 | 하인리히 괴츠.하랄트 리이거 | How to condition dust-containing exhaust |
| JP2001314806A (en) * | 2000-05-09 | 2001-11-13 | Honda Motor Co Ltd | Powder coating feeder |
| JP2010228911A (en) * | 2009-03-04 | 2010-10-14 | Yms:Kk | Screw feeder |
| CN209451641U (en) * | 2018-12-11 | 2019-10-01 | 武汉长利玻璃(汉南)有限公司 | Circulating ash batcher drive mechanism |
| CN210583731U (en) * | 2019-06-26 | 2020-05-22 | 天津大沽化工股份有限公司 | Gas-liquid two-phase feeding distributor of polyethylbenzene tower reboiler |
| CN112390498A (en) * | 2019-08-16 | 2021-02-23 | 上海城投污水处理有限公司 | Sludge fluidized bed drying system adopting air-sealed sludge feeding distributor |
| CN217367290U (en) * | 2022-05-31 | 2022-09-06 | 菏泽市生态环境事务中心 | Activated carbon filter for sewage treatment |
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|---|---|
| CN116425390A (en) | 2023-07-14 |
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