CN114636309A - Dust collecting and cleaning mechanism in dryer compartment and closed filter cake dryer - Google Patents
Dust collecting and cleaning mechanism in dryer compartment and closed filter cake dryer Download PDFInfo
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- CN114636309A CN114636309A CN202210303680.9A CN202210303680A CN114636309A CN 114636309 A CN114636309 A CN 114636309A CN 202210303680 A CN202210303680 A CN 202210303680A CN 114636309 A CN114636309 A CN 114636309A
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- 239000000428 dust Substances 0.000 title claims abstract description 384
- 230000007246 mechanism Effects 0.000 title claims abstract description 111
- 238000004140 cleaning Methods 0.000 title claims abstract description 65
- 239000012065 filter cake Substances 0.000 title claims abstract description 58
- 238000007790 scraping Methods 0.000 claims abstract description 92
- 230000005540 biological transmission Effects 0.000 claims abstract description 69
- 239000000463 material Substances 0.000 claims abstract description 47
- 238000001035 drying Methods 0.000 claims description 30
- 238000003825 pressing Methods 0.000 claims description 21
- 238000009825 accumulation Methods 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000007791 dehumidification Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 21
- 230000003749 cleanliness Effects 0.000 abstract description 9
- 230000003111 delayed effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 235000015895 biscuits Nutrition 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 235000012184 tortilla Nutrition 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
- B08B9/38—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by using scrapers, chains, grains of shot, sand or other abrasive means
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a dust collecting and cleaning mechanism in a dryer chamber and a closed filter cake dryer, wherein the key points of the innovative scheme are as follows: on the basis of the existing closed filter cake dryer, a dust collecting and cleaning mechanism in a compartment is additionally arranged and comprises a dust collecting device, a dust scraping driving device, a double-chain transmission device and a dust scraping plate; the dust collecting device is arranged on the bottom of the compartment below the lower layer cake conveying mesh belt, the double-chain transmission device is arranged in the dust collecting device, the plurality of dust scraping plates are alternately arranged on the double-chain transmission device and contact with the bottom plate of the dust collecting device; the accumulated dust in the dust collecting device can be scraped to the dry material output mechanism to output the closed chamber, so that the cleanliness in the closed chamber reaches the standard. The closed filter cake dryer solves the technical problems that a closed room is easy to be polluted by accumulated dust, the closed room needs to be cleaned once per week manually, the accumulated dust at the bottom of a compartment is difficult to clean, production is delayed due to frequent shutdown for cleaning, and the requirement of a user for continuous and efficient production cannot be met; can increase the efficiency.
Description
Technical Field
The invention belongs to the technical field of closed filter cake dryers, and relates to a dust accumulation and automatic cleaning mechanism in a closed compartment.
Background
The drier is a mechanical device which reduces the moisture of materials by using heat energy; the filter cake dryer is equipment for continuously drying and subsequently treating a filter cake formed by the operation of the filter press; the closed filter cake dryer is an environment-friendly normal-pressure continuous convection type filter cake dryer with a fully closed structure; the device mainly comprises a closed compartment, a filter cake crushing and slitting mechanism, a double-layer mesh belt conveying mechanism, a high-low temperature drying system, a dry material spiral output mechanism, a dust screen and a PLC program control system; the drying device is suitable for drying materials with the water content of 55-83% into materials with the water content of 3-50% (the drying rate can be freely adjusted), and the water content of the materials can be reduced by more than 80%.
The closed carriage body comprises a closed main carriage body, a maintenance door leaf, a discharge hole, a high-low temperature zone partition plate and a closed auxiliary carriage (namely a conveyor belt end carriage); the middle upper space in the closed compartment body is a high-temperature drying area at 50-80 ℃, and the middle lower space in the closed compartment body is a low-temperature dehumidifying area at 7-20 ℃. The double-layer mesh belt material conveying mechanism and the high-low temperature drying system are arranged in the closed compartment body; the moving space in the closed compartment body is limited; in the filter cake desiccator working process, must produce the dust, the dust screen is installed in the air outlet, and the closed railway carriage or compartment body can prevent then that the dust from diffusing the polluted environment.
The basic working process of the filter cake dryer is as follows: (1) crushing and slicing a filter cake: the filter cake is conveyed to a filter cake crushing and strip cutting mechanism by an external conveyor, and the large filter cake is crushed and cut into cake strips and then is continuously spread on an upper layer cake conveying mesh belt; (2) drying the biscuit at high temperature: the cake strips circularly conveyed by the upper layer of cake conveying net belt in a high-temperature drying area at 50-80 ℃ are dried (high-temperature evaporation of water) and fall into the lower layer of cake conveying net belt; (3) low-temperature dehumidification and drying: the cake strips circularly conveyed by the lower layer cake conveying mesh belt in a low-temperature dehumidification area at the temperature of 7-20 ℃ are dehumidified and then dried (low-temperature condensation dehumidification); and finally, outputting the cake strips with the moisture content reaching the standard to the outside of a closed chamber of a drying machine.
The existing closed filter cake dryer has the following defects: (1) the dust automatic cleaning mechanism in the compartment is lacked, dust generated in the working process of the filter cake dryer falls freely, gradually accumulates on the bottom of the closed compartment and even blocks an air channel, and needs to be cleaned manually once a week, and because the space in the closed compartment is limited and the temperature in the compartment is high, the dust accumulated on the bottom of the compartment is very difficult to clean, the compartment is frequently shut down to clean dust, production is delayed, and the requirement of continuous and efficient production of a user cannot be met; (2) if dust is not cleaned in time, the dust blocks the air duct for a long time, and the heat exchange effect is influenced; because the convection of cold and hot air exists in the closed compartment body, the more the accumulated dust is, the larger the raised dust is, the accumulated dust corrodes the components in the compartment, and the service life of equipment is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the existing closed filter cake dryer, solve the technical problems that the bottom of a closed compartment is easy to accumulate dust to cause production corrosion, even dust blocks an air duct to influence the heat exchange effect, but the compartment is lack of an automatic cleaning mechanism for the dust in the compartment, the compartment needs to be cleaned manually once every week, the accumulated dust at the bottom of the compartment is very difficult to clean due to the limited space in the closed compartment body, the dust is cleaned by frequent shutdown to delay the production, and the continuous and high-efficiency production requirements of users cannot be met, and provide an accumulating and cleaning mechanism for the dust in the compartment of the dryer and the closed filter cake dryer; the invention relates to a closed filter cake dryer, in particular to a closed filter cake dryer using a dust collecting and cleaning mechanism in a dryer chamber, which is shortened for short due to limited number of characters of patent names.
The invention solves the problems of the prior art and adopts the brand new technical scheme that: a dust collecting and cleaning mechanism in a dryer compartment (hereinafter referred to as the dust collecting and cleaning mechanism or the dust cleaning mechanism); the main point of the general technical scheme is that compared with the prior art, the innovative general structure has the prominent substantive characteristics that: on the basis of the existing closed filter cake dryer, a dust collecting and cleaning mechanism in a compartment is additionally arranged and comprises a dust collecting device, a dust scraping driving device, a double-chain transmission device, a chain tensioning device and a dust scraping plate; the existing space at the bottom in the closed compartment body is fully utilized, the dust collecting device is arranged on the compartment bottom below the lower layer cake conveying mesh belt, the double-chain transmission device is arranged in the dust collecting device, the plurality of dust scraping plates are alternately arranged on the double-chain transmission device, and the dust scraping plates are contacted with a bottom plate of the dust collecting device; the dust in the closed compartment of the dryer falls into the dust collection device freely, the dust scraping driving device is automatically started at regular intervals under the control of the PLC system, and the double-chain transmission device is driven to drive the dust scraping plates to scrape the accumulated dust in the dust collection device to the dry material spiral output mechanism, so that the cleanliness in the closed compartment reaches the standard; therefore, the technical problems that the dust is easily accumulated at the bottom of the closed compartment to cause production corrosion, even dust blocks an air channel to influence the heat exchange effect, an automatic dust cleaning mechanism in the compartment is lacked, manual cleaning is needed once every week, the accumulated dust at the bottom of the closed compartment is very difficult to clean due to limited space in the closed compartment, the production is delayed due to frequent shutdown for cleaning the dust, and the requirement of continuous and efficient production of a user cannot be met are solved; the specific design of the present invention is described in detail below.
The dust collecting device, namely the nose-up dust collecting groove device with the dust collecting plates at two sides, comprises a horizontal dust collecting groove, an upper nose dust collecting groove and two dust collecting plates, wherein the total length of the dust collecting device corresponds to the length of the closed compartment body, and the total width of the dust collecting device corresponds to the width of the closed compartment body; (1) the horizontal dust collecting groove comprises a flat groove frame, an upper connecting plate, a lower connecting plate, a dust collecting groove bottom plate, a chain flat slideway and a flat groove side plate; the double upper connecting plates and the double lower connecting plates are respectively welded at the upper and lower parts of the two ends of the double flat groove frame to form a horizontal dust collecting groove frame; the bottom plate of the dust collecting groove is welded below the horizontal dust collecting groove frame, and the side plates of the double flat grooves are respectively welded in the side frames of the double flat grooves; two chain smooth tracks are respectively welded on two sides of the bottom plate of the dust collecting tank, and the other two chain smooth tracks are respectively welded on two ends of the double upper connecting plates to form a horizontal dust collecting tank; (2) the upper warping dust accumulation groove comprises an upper connecting plate, a lower connecting plate, a dust accumulation groove bottom plate, a warping groove frame, a warping groove side plate, a chain warping slideway, an upper chain pressing plate, a lower chain pressing plate and a pressing plate mounting plate, and the upper warping height of the upper warping dust accumulation groove corresponds to the height of the dry material spiral output mechanism; the double upper connecting plates and the double lower connecting plates are respectively welded on the upper part and the lower part of two ends of the double-warping groove frame to form an upper-warping dust collection groove frame; the bottom plate of the dust collecting groove is welded below the frame of the upward warping dust collecting groove, and the double warping groove side plates are respectively welded in the double warping groove side frames; two chain warping slideways are respectively welded on two sides of the bottom plate of the dust collection tank, and the other two chain warping slideways are respectively welded on two ends of the double upper connecting plates; the two lower chain pressing plates are respectively arranged at the positions capable of pressing the chains on the two lower-layer chain warping slideways, and the two upper chain pressing plates are respectively arranged at the positions capable of pressing the chains on the two upper-layer chain warping slideways to form an upper warping dust accumulation groove; (3) the arranged dust collecting plate is a rectangular stainless steel thin plate; (4) assembling the dust collecting device: the horizontal dust collecting groove and the upward warping dust collecting groove are butted into a warped head type dust collecting groove; after the double-chain transmission device is installed, the double dust collecting plates are respectively obliquely installed on two sides of the warped head type dust collecting groove, and dust on the dust collecting plates can automatically slide into the warped head type dust collecting groove under the assistance of mechanical micro-vibration when the downward sliding force of the dust collecting plates is greater than the adhesive force.
The dust scraping driving device, namely the driving device with the dust scraping plate double-transmission chain, comprises a dust scraping driving motor, a driving extension shaft, a coupler, a bearing seat, a bearing box bracket and a driving motor seat; (1) the dust scraping driving motor is a GSAT87-Y1.1-4P-258.18-M1 type speed reducing motor (the type meaning: SAT 87-speed reducing motor specification, 4P-motor pole number, 258.18-transmission ratio of a speed reducer, and M1-speed reducer installation form), and comprises a motor and a speed reducer; (2) assembling the dust scraping driving device: scrape dirt driving motor and install parallelly connected PLC programmable system on the driving motor seat, the bearing box is installed on the bearing box support, and initiative extension shaft is installed in the bearing box and is connected the reduction gear, and coupling joint driving shaft and initiative extension shaft form and scrape dirt drive arrangement.
The double-chain transmission device comprises a bearing box, a bearing box bracket, a driving shaft, four transmission chain wheels, double transmission chain belts, a driven shaft and a movable bearing box; (1) the arranged transmission chain comprises roller type chain links, dust scraping chain links, chain links and chain links with idler wheels, wherein the chain links and the chain links with the idler wheels (the ratio of the chain links to the chain links with the idler wheels is 2: 1) are connected with one side of the roller type chain links at intervals, and the chain links and the dust scraping chain links (the ratio of the chain links to the dust scraping chain links is 2: 1) are connected with the other side of the roller type chain links at intervals to form the transmission chain. (2) Assembling the double-chain transmission device: the double bearing boxes are arranged on the double bearing seat bracket, and the double movable bearing boxes are arranged on the double tight chain device; the double transmission chain wheels are alternately arranged on the driving shaft to form a driving shaft with the chain wheels; the double-transmission chain wheels are alternately arranged on the driven shaft to form a driven shaft with the chain wheels; the driving shaft with the chain wheel is arranged on the double-bearing box, and the driven shaft with the chain wheel is arranged on the double-moving bearing box; the double-chain transmission device is formed by the way that the double-chain transmission chain passes through a chain slideway of the nose type dust collecting groove and is respectively arranged on four transmission chain wheels of a driving shaft with a chain wheel and a driven shaft with the chain wheel.
The chain tensioning device comprises a chain tightening box and a chain tightening device; (1) the arranged chain tightening box is a chain tightening box which is provided with a chain tightening device and is butted with the horizontal dust accumulation groove, and comprises a dust accumulation groove bottom plate, a chain tightening box upper frame, a chain tightening box lower frame, a chain tightening box side plate, a chain tightening box sealing plate and a box frame connecting plate; the chain tightening box side plate is provided with a driven shaft moving hole; respectively and vertically welding two ends of a chain tightening box upper frame and a chain tightening box lower frame by using a chain tightening box sealing plate and a double-box-frame connecting plate to form a chain tightening box frame; the bottom plate of the dust accumulation groove is welded below the frame of the tight chain case, and the side plates of the double tight chain cases are respectively welded at two sides of the frame of the tight chain case to form the tight chain case; (2) the chain tightening device is used for adjusting the horizontal positions of the double movable bearing boxes and comprises a chain tightening frame transverse plate, a bearing box slide way, a chain tightening frame vertical plate, a movable bearing box, a chain tightening screw rod, a chain tightening nut and a frame box connecting column; the chain tightening frame transverse plate is an angle steel transverse plate, and the chain tightening frame vertical plate is provided with a chain tightening screw hole; the double-tight chain frame transverse plate is symmetrically and vertically welded at two ends of the tight chain frame vertical plate, the double-bearing box slide ways are symmetrically arranged in the double-tight chain frame transverse plate, the movable bearing box is slidably arranged in the double-bearing box slide ways, the tight chain screw penetrates through the tight chain frame vertical plate to be connected with the movable bearing box, three tight chain nuts are respectively arranged at two ends and the middle of the tight chain screw, and a plurality of frame box connecting columns are welded on the angle steel vertical surface of the tight chain frame transverse plate to form a tight chain device; (3) assembling the chain tensioning device: the double chain tightening devices are symmetrically arranged on two sides of the chain tightening box, a plurality of frame box connecting columns of the chain tightening devices are connected with the chain tightening box, and the driven shaft with the chain wheel is arranged in the double-moving bearing box to form the chain tensioning device.
The dust scraping plate comprises a dust scraping main plate and a scraping plate angle steel bar; the dust scraping main board is provided with double mounting holes at the upper corners of two ends, the length of the dust scraping main board corresponds to the distance between the double transmission chains, and the width of the dust scraping main board is based on the fact that the dust scraping main board can contact the bottom of a dust deposition groove after being mounted; and the scraping plate angle steel bar is welded on one surface of the dust scraping main plate to form a dust scraping plate.
The connection relation of the main components of the invention is as follows: for convenience, a closed compartment body, a dry material spiral output mechanism and a lower layer cake conveying net belt closely related to the dust cleaning mechanism are additionally arranged; (1) installation of the dust collecting device: the existing space at the bottom in the closed compartment body is fully utilized, and a nose type dust accumulation groove of the dust collection device is integrally arranged on the compartment bottom below a lower layer cake conveying mesh belt, wherein the upper nose type dust accumulation groove corresponds to a dry material spiral output mechanism; after the double-chain transmission device is installed, the lower edges of the double dust collecting plates are respectively obliquely installed on two sides of the nose type dust collecting groove, and the upper edges of the dust collecting plates are lapped on the inner wall of the closed compartment body; (2) installation of the chain tensioner: the chain tensioning device is butted with the horizontal dust accumulation groove, integrally arranged on the bottom of the compartment below the lower layer cake conveying mesh belt and can tension the double transmission chains; (3) installation of the double-chain transmission device: the double-bearing box bracket and the bearing box are arranged in the closed box body correspondingly to the upwarping dust collection groove, and the driving shaft with the sprocket is arranged in the double-bearing box; the movable bearing box is slidably arranged in a double-bearing box slideway of the chain tensioning device, and the driven shaft with the chain wheel is arranged on the double-movable bearing box; the double-transmission chain penetrates through a chain slideway of the nose type dust collecting groove and is respectively arranged on four transmission chain wheels of a driving shaft with a chain wheel and a driven shaft with the chain wheel to form a double-chain transmission device; (4) installation of the dust scraping plate: a plurality of dust scrapers are arranged on the double-chain transmission device at intervals (6 chain links are arranged at intervals), and the dust scrapers contact with a bottom plate of the nose-warped dust collecting groove; (5) installation of the dust scraping driving device: the bearing box bracket and the bearing box of the driving device are arranged on a straight line of the double bearing box bracket of the double-chain transmission device; the driving motor base is aligned with the three bearing box brackets and is arranged outside the closed compartment body; the dust scraping driving motor is arranged on the driving motor base and is communicated with the PLC program control system in parallel; the driving extension shaft is arranged in the bearing box and connected with the speed reducer, and the coupler is connected with the driving shaft and the driving extension shaft to form a dust cleaning mechanism and a dust scraping driving device thereof; (6) the dust in the closed compartment of the dryer falls into the dust collecting device freely, and the dust cleaning mechanism can automatically scrape the accumulated dust in the dust collecting device to the dry material spiral output mechanism regularly under the control of the PLC program control system, so that the cleanliness in the closed compartment reaches the standard.
The invention also provides a closed filter cake dryer, namely a totally closed structure environment-friendly normal-pressure high-low temperature continuous convection type filter cake dryer, which uses the dust collecting and cleaning mechanism in the dryer chamber; the filter cake dryer mainly comprises a closed compartment, a filter cake crushing and slitting mechanism, a double-layer mesh belt conveying mechanism, a high-low temperature drying system, a dry material spiral output mechanism, a dust screen, a dust cleaning mechanism and a PLC program control system; the device has the functions of carrying out closed high-temperature evaporation drying on the materials with the water content of 55-83%, and further carrying out low-temperature condensation dehumidification to reduce the water content of the materials by more than 80%.
The mechanism for collecting and cleaning dust in the drying box and the closed filter cake dryer provided by the invention have the remarkable advantages that the space of the drying box is fully utilized, the dust in the box is fully collected, the dust in the box is automatically cleaned, the cleanliness reaches the standard, the service life of equipment is prolonged, the heat exchange effect is good, and the production efficiency is high; the dust collection and cleaning mechanism has the advantages that the dust collection and cleaning mechanism in the compartment is additionally arranged, the dust in the dust collection device can be periodically and automatically scraped to the dry material spiral output mechanism, the cleanness in the closed compartment body reaches the standard, the automation level of the closed filter cake dryer is improved, the heat exchange effect and the production efficiency of the dryer are improved, the service life of the mechanism in the closed compartment body is prolonged, and the requirement of a dryer user on continuous and efficient production is met; the product is upgraded and updated, and the efficiency can be increased.
Drawings
FIG. 1 is a schematic perspective view of a dust collection and cleaning mechanism in a dryer chamber according to the present invention.
Fig. 2 is a schematic perspective view of a horizontal dust collection tank of the dust collection and cleaning mechanism in the dryer compartment of the present invention.
Fig. 3 is a schematic perspective view of the dust collecting and cleaning mechanism for collecting and cleaning dust in the dryer chamber according to the present invention.
Fig. 4 is a perspective view of the tight chain box of the dust collecting and cleaning mechanism in the dryer chamber of the present invention.
FIG. 5 is a schematic view of a chain tightening device of the dust collecting and cleaning mechanism in the dryer chamber of the present invention.
Fig. 6 is a partial schematic view of the drive chain of the dust collection and cleaning mechanism in the dryer chamber of the present invention.
Fig. 7 is a perspective view of the dust scraping plate of the dust collecting and cleaning mechanism in the dryer chamber of the present invention.
FIG. 8 is a schematic view of the assembly of the transmission chain and the horizontal dust collecting groove of the dust collecting and cleaning mechanism in the dryer chamber of the present invention.
FIG. 9 is a schematic view of the assembly of the transmission chain and the upwardly tilted dust collection groove of the dust collection and cleaning mechanism in the dryer chamber of the present invention.
FIG. 10 is a schematic view of the assembly of the driven shaft with sprocket and chain tensioner of the dust collecting and cleaning mechanism in the dryer chamber of the present invention.
FIG. 11 is a schematic view of the assembly of the dust scraping plate and the driving chain of the dust collecting and cleaning mechanism in the dryer chamber of the present invention.
Fig. 12 is a schematic view of the assembly of the transmission chain with the dust scraping plate and the warped head dust collecting groove of the dust collecting and cleaning mechanism in the dryer chamber according to the present invention (i.e., the dust scraping plate contacts the bottom plate of the dust collecting groove).
FIG. 13 is a schematic front view of a closed filter cake dryer assembly according to the present invention.
FIG. 14 is a schematic left side view of a closed filter cake dryer assembly according to the present invention.
Reference numerals: 1-horizontal dust collecting groove, 2-upwarp dust collecting groove, 3-tight chain box, 4-tight chain device, 5-dust scraping drive motor, 6-drive shaft, 7-driving extension shaft, 8-coupler, 9-bearing box, 10-drive sprocket, 11-bearing box bracket, 12-drive motor base, 13-drive chain, 14-dust scraping plate, 15-driven shaft, 16-flat groove frame, 17-upper connecting plate, 18-lower connecting plate, 19-dust collecting groove bottom plate, 20-chain flat slideway, 21-flat groove side plate, 22-upwarp groove frame, 23-upwarp groove side plate, 24-chain upwarp slideway, 25-upwarp press plate, 26-lower chain press plate, 27-press plate mounting plate, 28-tight chain box upper frame, 29-chain case tightening lower frame, 30-chain case tightening side plates, 31-chain case tightening sealing plates, 32-case frame connecting plates, 33-driven shaft moving holes, 34-chain case tightening transverse plates, 35-bearing box slide ways, 36-chain case tightening vertical plates, 37-moving bearing boxes, 38-chain tightening screws, 39-chain tightening nuts, 40-roller type chain links (short for chain links), 41-dust scraping chain plates, 42-chain plates, 43-chain plates with idler wheels, 44-scraper corner reinforcing steel bars, 45-case connecting columns, 46-dust collecting and cleaning mechanism in a dryer case (short for dust collecting and cleaning mechanism in a case or the invention), 47-closed case, 48-dry material spiral output mechanism, 49-lower layer cake conveying net belt and 50-dust collecting plates.
Detailed Description
The technical solution in the embodiment of the present invention will be described below with reference to the attached drawings in the embodiment of the dust collecting and cleaning mechanism in the dryer compartment and the closed filter cake dryer of the present invention, and the described embodiment is only a part of the preferred embodiment of the present invention, but not all of the preferred embodiment of the present invention. All other embodiments, such as a mechanism for collecting and cleaning dust in a compartment with the same electric dust scraping mode and similar structure, which are not inventive by the technical personnel in the field of the embodiments of the present invention, belong to the protection scope of the present invention.
Example 1
A dust collecting and cleaning mechanism 46 (hereinafter referred to as a dust collecting and cleaning mechanism or a dust cleaning mechanism) in the dryer compartment; the main points of the overall embodiment of the innovation are: on the basis of the existing closed filter cake dryer, a dust collecting and cleaning mechanism 46 in a compartment is additionally arranged and comprises a dust collecting device, a dust scraping driving device, a double-chain transmission device, a chain tensioning device and a dust scraping plate 14; the existing space at the bottom in the closed compartment 47 is fully utilized, the dust collecting device is arranged at the bottom of the compartment below the lower-layer cake conveying mesh belt 49, the double-chain transmission device is arranged in the dust collecting device, the plurality of dust scraping plates 14 are arranged on the double-chain transmission device at intervals, and the dust scraping plates 14 contact the bottom plate of the dust collecting device; the dust in the closed compartment 47 of the dryer falls into the dust collecting device, the dust scraping driving device is automatically started regularly under the control of the PLC program control system, and the double-chain transmission device is driven to drive the dust scraping plates 14 to scrape the accumulated dust in the dust collecting device to the dry material spiral output mechanism 48, so that the cleanliness in the closed compartment reaches the standard; therefore, the technical problems that the dust is easily accumulated at the bottom of the closed compartment to cause production corrosion, even dust blocks an air channel to influence the heat exchange effect, an automatic dust cleaning mechanism in the compartment is lacked, manual cleaning is needed once every week, the accumulated dust at the bottom of the closed compartment is very difficult to clean due to limited space in the closed compartment, the production is delayed due to frequent shutdown for cleaning the dust, and the requirement of continuous and efficient production of a user cannot be met are solved; specific embodiments are described in detail below.
The dust collecting device, namely the nose-up dust collecting groove device with the dust collecting plates on two sides, comprises a horizontal dust collecting groove 1, an upward-raised dust collecting groove 2 and double dust collecting plates 50, wherein the total length of the dust collecting device corresponds to the length of the closed compartment body 47, and the total width of the dust collecting device corresponds to the width of the closed compartment body 47; (1) the horizontal dust collecting groove 1 comprises a flat groove frame 16, an upper connecting plate 17, a lower connecting plate 18, a dust collecting groove bottom plate 19, a chain flat slideway 20 and a flat groove side plate 21; the double upper connecting plates 17 and the double lower connecting plates 18 are respectively welded at the upper and lower parts of the two ends of the double flat groove frame 16 to form a horizontal dust collecting groove frame; the dust collecting groove bottom plate 19 is welded below the horizontal dust collecting groove frame, and the double-flat-groove side plates 21 are respectively welded in the double-flat-groove side frames 16; two chain flat slideways 20 are respectively welded at two sides of the bottom plate 19 of the dust collecting groove, and the other two chain flat slideways 20 are respectively welded at two ends of the double upper connecting plate 17 to form a horizontal dust collecting groove 1; (2) the arranged upwarp dust collection groove 2 comprises an upper connecting plate 17, a lower connecting plate 18, a dust collection groove bottom plate 19, a upwarp groove side frame 22, a upwarp groove side plate 23, a chain upwarp slide way 24, an upwarp pressing plate 25, a lower chain pressing plate 26 and a pressing plate mounting plate 27, and the upwarp height of the upwarp dust collection groove corresponds to the height of the dry material spiral output mechanism 48; the double upper connecting plates 17 and the double lower connecting plates 18 are respectively welded at the upper and lower parts of the two ends of the double-warping groove frame 22 to form a warping dust collection groove frame; the dust collecting groove bottom plate 19 is welded below the upwarp dust collecting groove frame, and the double upwarp groove side plates 23 are respectively welded in the double upwarp groove side frames 22; two chain warping slide ways 24 are respectively welded at two sides of the dust collecting groove bottom plate 19, and the other two chain warping slide ways 24 are respectively welded at two ends of the double upper connecting plate 17; the two lower chain pressing plates 26 are respectively arranged at positions capable of pressing the transmission chains 13 on the two lower-layer chain warping slideways 24, and the two upper chain pressing plates 25 are respectively arranged at positions capable of pressing the transmission chains 13 on the two upper-layer chain warping slideways 24 to form an upper warping dust collecting groove 2; (3) the dust collecting plate 50 is a rectangular stainless steel sheet; (4) assembling the dust collecting device: the horizontal dust collecting groove 1 and the upwarp dust collecting groove 2 are butted into a tilted head type dust collecting groove; after the double-chain transmission device is installed, the double dust collecting plates 50 are respectively obliquely installed at two sides of the warped-head dust collecting groove, and dust collected on the dust collecting plates 50 can automatically slide into the warped-head dust collecting grooves 1 and 2 under the assistance of mechanical micro-vibration when the sliding force is greater than the adhesive force; is used for collecting dust in the closed carriage 47 in a large area so as to conveniently clean the dust accumulated in the carriage into the dry material spiral output mechanism 48.
The dust scraping driving device, namely the driving device with the dust scraping plate 14 and the double transmission chains 13, comprises a dust scraping driving motor 5, a driving extension shaft 7, a coupler 8, a bearing seat 9, a bearing box bracket 11 and a driving motor seat 12; (1) the dust scraping driving motor 5 is a GSAT87-Y1.1-4P-258.18-M1 type speed reducing motor (the type meaning: SAT 87-speed reducing motor specification, 4P-motor pole number, 258.18-transmission ratio of a speed reducer, and M1-speed reducer installation form), and comprises a motor and a speed reducer; (2) assembling the dust scraping driving device: the dust scraping driving motor 5 is installed on a driving motor base 12 and communicated with a PLC program control system in parallel, the bearing box 9 is installed on a bearing box support 11, the driving extension shaft 7 is installed in the bearing box 9 and connected with a speed reducer, and the coupler 8 is connected with the driving shaft 6 and the driving extension shaft 7 to form a dust scraping driving device; a dual drive chain arrangement for automatically driving the belt scraper 14 periodically.
The double-chain transmission device comprises a driving shaft 6, a bearing box 9, four transmission chain wheels 10, a bearing box bracket 11, a double transmission chain 13, a driven shaft 15 and a movable bearing box 37; (1) the arranged transmission chain 13 comprises roller type chain links 40, dust scraping chain plates 41, chain plates 42 and idler wheel chain plates 43, wherein one sides of the roller type chain links 40 are connected at intervals by using the chain plates 42 and the idler wheel chain plates 43 (the ratio of the chain plates 42 to the idler wheel chain plates 43 is 2: 1), and the other sides of the roller type chain links 40 are connected at intervals by using the chain plates 42 and the dust scraping chain plates 41 (the ratio of the chain plates 42 to the dust scraping chain plates 41 is 2: 1), so that the transmission chain 13 is formed. (2) Assembling the double-chain transmission device: the double bearing box 9 is arranged on the double bearing seat bracket 11, and the double movable bearing box 37 is arranged on the double tight chain device 4; the double transmission chain wheels 10 are alternately arranged on the driving shaft 6 to form a driving shaft with chain wheels; the double-transmission chain wheels 10 are alternately arranged on the driven shaft 15 to form a driven shaft with chain wheels; the driving shaft with the chain wheel is arranged on the double bearing box 9, and the driven shaft with the chain wheel is arranged on the double moving bearing box 37; the double-transmission chain 13 passes through the chain slideways 20 and 24 of the nose type dust collecting grooves 1 and 2 and is respectively arranged on the four transmission chain wheels 10 of the driving shaft with the chain wheels and the driven shaft with the chain wheels to form a double-chain transmission device; used for driving the multiple dust scraping plates 14 to continuously and circularly move in the nose type dust collecting grooves 1 and 2.
The chain tensioning device comprises a chain tensioning box 3 and a chain tensioning device 4; (1) the arranged chain tightening box 3 is the chain tightening box 3 which is provided with a chain tightening device 4 and is butted with the horizontal dust collecting groove 1, and comprises a dust collecting groove bottom plate 19, a chain tightening box upper frame 28, a chain tightening box lower frame 29, a chain tightening box side plate 30, a chain tightening box sealing plate 31 and a box frame connecting plate 32; a tight chain case side plate 30 provided with a driven shaft moving hole 33; the two ends of the chain tightening box upper frame 28 and the two ends of the chain tightening box lower frame 29 are respectively and vertically welded by using a chain tightening box sealing plate 31 and a double-box-frame connecting plate 32 to form a chain tightening box frame; the dust accumulation groove bottom plate 19 is welded below the tight chain box frame, and the double tight chain box side plates 30 are respectively welded on two sides of the tight chain box frame to form a tight chain box; (2) the chain tightening device 4 is used for adjusting the horizontal position of the double-moving bearing box 37, and comprises a chain tightening frame transverse plate 34, a bearing box slide way 35, a chain tightening frame vertical plate 36, a moving bearing box 37, a chain tightening screw 38, a chain tightening nut 39 and a frame box connecting column 45; the chain tightening frame transverse plate 34 is an angle steel transverse plate, and the chain tightening frame vertical plate 36 is provided with a chain tightening screw hole; the double-tight chain frame transverse plate 34 is symmetrically and vertically welded at two ends of the tight chain frame vertical plate 36, the double-bearing box slide ways 35 are symmetrically installed in the double-tight chain frame transverse plate 34, the movable bearing box 37 is slidably installed in the double-bearing box slide ways 35, the tight chain screw 38 penetrates through the tight chain frame vertical plate 36 to be connected with the movable bearing box 37, three tight chain nuts 39 are respectively installed at two ends and the middle of the tight chain screw 38, and the plurality of frame box connecting columns 45 are welded on the angle steel vertical surface of the tight chain frame transverse plate 34 to form a tight chain device; (3) assembling the chain tensioning device: the double chain tightening devices 4 are symmetrically arranged on two sides of the chain tightening box 3, a plurality of frame box connecting columns 45 of the chain tightening devices 4 are connected with the chain tightening box 3, and a driven shaft with a chain wheel is arranged in the double-moving bearing box 37 to form a chain tensioning device; for tensioning the double drive chain 13 to reduce friction of the drive chain 13 with the chain slides 20, 24.
The dust scraping plate 14 comprises a dust scraping main plate and a scraper angle steel bar 44; the upper corners of two ends of the dust scraping main board are provided with double mounting holes, the length of the dust scraping main board corresponds to the distance between the double transmission chains 13, and the width of the dust scraping main board is based on the fact that the dust scraping main board can contact the bottom 19 of the dust deposition groove after being mounted; the scraping plate angle steel bar 44 is welded on one side of the dust scraping main plate to form a dust scraping plate 14; used for scraping the accumulated dust in the nose type dust accumulation grooves 1 and 2 into the dry material spiral output mechanism 48, so that the cleanness in the closed compartment 47 reaches the standard.
Assembly of dust removal mechanism 46: (1) installation of the dust collecting device: the existing space at the bottom in the closed compartment 47 is fully utilized, the nose-raised dust collecting grooves 1 and 2 of the dust collecting device are integrally arranged on the compartment bottom below the lower layer cake conveying mesh belt 49, wherein the nose-raised dust collecting groove 2 corresponds to the dry material spiral output mechanism 48; after the double-chain transmission device is installed, the lower edges of the double dust collecting plates 50 are respectively obliquely installed on two sides of the nose type dust collecting grooves 1 and 2, and the upper edges of the dust collecting plates 50 are lapped on the inner wall of the closed type compartment body 47; (2) installation of the chain tensioner: the chain tension device is butted with the horizontal dust collecting groove 1, integrally arranged on the bottom of the compartment below the lower layer cake conveying mesh belt 49 and can tension the double transmission chains 13; (3) installation of the double-chain transmission device: the double-bearing box bracket 11 and the bearing box 9 are arranged in the closed compartment body 47 corresponding to the upwarp dust collection groove 2, and the driving shaft with the chain wheel is arranged in the double-bearing box; the moving bearing box 37 is slidably mounted in the dual bearing box slide 35 of the chain tensioner, and the driven shaft with the sprocket is mounted on the dual moving bearing box 37; the double-transmission chain 13 passes through the chain slideways 20 and 24 of the nose type dust collecting grooves 1 and 2 and is respectively arranged on the four transmission chain wheels 10 of the driving shaft with the chain wheels and the driven shaft with the chain wheels to form a double-chain transmission device; (4) installation of the dust scraper 14: a plurality of dust scraping plates 14 are arranged on the double-chain transmission device at intervals (6 chain links are arranged at intervals), and the dust scraping plates 14 contact the bottom plates of the nose type dust collecting grooves 1 and 2; (5) installation of the dust scraping driving device: the bearing box bracket 11 and the bearing box 9 of the driving device are arranged on a straight line of the double bearing box bracket 11 of the double-chain transmission device; the drive motor base 12 aligns the three bearing box brackets 11 and is arranged outside the closed carriage body 47; the dust scraping drive motor 5 is arranged on the drive motor base 12 and is communicated with the PLC program control system in parallel; the driving extension shaft 7 is arranged in the bearing box 9 and connected with the speed reducer, and the coupling 8 is connected with the driving shaft 6 and the driving extension shaft 7 to form a dust cleaning mechanism 46 and a dust scraping driving device thereof; (6) the dust in the closed compartment 47 of the dryer falls into the dust collecting device, and the dust cleaning mechanism 46 can automatically scrape the accumulated dust in the dust collecting device to the dry material spiral output mechanism 48 regularly under the control of the PLC program control system, so that the cleanliness in the closed compartment 47 reaches the standard.
The dust collecting and cleaning mechanism 46 in the drying machine compartment has the advantages of fully utilizing the space of the drying compartment, fully collecting the dust in the compartment, automatically cleaning the dust in the compartment, reaching the cleanness standard, prolonging the service life of equipment, having good heat exchange effect and high production efficiency; the dust cleaning mechanism can regularly and automatically scrape the accumulated dust in the dust collecting device to the dry material spiral output mechanism 48, so that the cleanliness in the closed compartment body 47 reaches the standard, the automation level of the closed filter cake dryer is improved, the heat exchange effect and the production efficiency of the dryer are improved, the service life of the mechanism in the closed compartment body 47 is prolonged, and the requirement of a dryer user on continuous and efficient production is met; the product is upgraded and updated, and the efficiency can be increased.
Example 2
A closed filter cake dryer (filter cake dryer for short), namely a totally closed structure environment-friendly normal-pressure high-low temperature continuous convection type filter cake dryer, uses the dust collecting and cleaning mechanism 46 (dust cleaning mechanism for short) in the dryer chamber provided by the invention; the filter cake dryer mainly comprises a closed compartment 47, a filter cake stirring and slitting mechanism, a double-layer mesh belt material conveying mechanism, a high-low temperature drying system, a dry material spiral output mechanism 48, a dust screen, a dust cleaning mechanism 46 and a PLC program control system; the device has the functions of carrying out closed high-temperature evaporation drying on the materials with the water content of 55-83%, and further carrying out low-temperature condensation dehumidification to reduce the water content of the materials by more than 80%. The invention is manufactured according to the relevant standard of the drier in the mechanical industry in China, which is a common technical part with the prior art.
The closed carriage 47 comprises a closed main carriage, a heat insulation plate thereof and a closed auxiliary carriage (i.e. a conveyor belt end carriage); the filter cake desiccator produces the dust in the course of working certainly, and the dust screen is installed in the air outlet, and closed railway carriage or compartment body 47 is used for closed installation filter cake desiccator, can prevent that the dust from diffusing the polluted environment.
The filter cake stirring and slitting mechanism comprises a filter cake feeding box, a filter cake stirring device and a filter cake slitting device; used for feeding a dryer and crushing and cutting a filter cake into strips so as to uniformly dry the strips.
The double-layer mesh belt material conveying mechanism comprises a speed reducing motor, an upper layer cake conveying mesh belt and a lower layer cake conveying mesh belt 49; the head and the tail of the closed compartment are communicated, and the maneuvering space below the lower layer cake conveying net belt 49 is limited; for continuously conveying the tortillas to a high and low temperature drying zone and discharging the dried tortillas to a dry material auger delivery mechanism 48.
The high-low temperature drying system comprises a thermal circulation mechanism and a dehumidification mechanism; the middle upper space in the closed compartment body 47 is a high-temperature drying area at the temperature of 50-80 ℃, and the middle lower space in the closed compartment body 47 is a low-temperature dehumidifying area at the temperature of 7-20 ℃; the method is used for drying the biscuit strips at high temperature and further dehumidifying and drying the biscuit strips at low temperature.
The dry material spiral output mechanism 48 comprises a spiral driving motor, a shaft spiral body and a U-shaped material conveying groove; the U-shaped material conveying groove is arranged below the discharging end of the lower layer cake conveying mesh belt 49 and is used for conveying dried cake strips into outward conveying equipment.
The dust cleaning mechanism 46 comprises a dust collecting device, a dust scraping driving device, a double-chain transmission device, a chain tensioning device and a dust scraping plate 14; the main body of the dust collection device is arranged on the bottom of the compartment below a lower-layer cake conveying mesh belt 49 and used for periodically and automatically scraping accumulated dust in the dust collection device to a dry material spiral output mechanism 48 so as to enable the cleanliness in the closed compartment body 47 to reach the standard.
The basic working process of the filter cake dryer is as follows: (1) crushing and slicing a filter cake: the filter cake is conveyed to a filter cake stirring and slitting mechanism through an external feeder, and a large filter cake is stirred and slit into cake strips and then is continuously spread on an upper layer cake conveying mesh belt; (2) drying the cake strips at high temperature: the cake strips circularly conveyed by the upper layer cake conveying net belt in a high-temperature drying area at 50-80 ℃ are dried (high-temperature evaporation of water) and fall into the lower layer cake conveying net belt 49; (3) low-temperature dehumidification and drying: the cake strips circularly transmitted by the lower layer cake conveying mesh belt 49 in a low-temperature dehumidification area at 7-20 ℃ are dehumidified and then dried (low-temperature condensation dehumidification) and discharged into a U-shaped material conveying groove of a dry material spiral output mechanism 48; (4) and (3) dry material output: the dried material spiral output mechanism 48 conveys the dried cake strips (the cake strips with the moisture content reaching the standard) to outward transportation equipment outside the closed chamber of the dryer; (5) clearing accumulated dust: the dust cleaning mechanism 46 periodically and automatically scrapes the accumulated dust in the dust collecting device to the dry material spiral output mechanism 48 so as to convey the accumulated dust to the outside of the closed chamber of the drying machine, so that the cleanness in the closed chamber reaches the standard.
The closed filter cake dryer provided by the invention has the beneficial effects that by additionally arranging the dust collecting and cleaning mechanism 46 in the compartment, the dust in the dust collecting device can be periodically and automatically scraped to the dry material spiral output mechanism 48, so that the cleanliness in the closed compartment body 47 reaches the standard, the automation level of the closed filter cake dryer is improved, the heat exchange effect and the production efficiency of the dryer are improved, the service life of the mechanism in the closed compartment body 47 is prolonged, and the requirement of a dryer user on continuous and efficient production is met; the product is upgraded and updated, and the efficiency can be increased.
Claims (7)
1. A dust collecting and cleaning mechanism in a dryer chamber comprises a dust collecting device, a dust scraping driving device, a double-chain transmission device, a chain tensioning device and a dust scraping plate; the method is characterized in that: the dust collecting device comprises a head-raised dust collecting groove and two dust collecting plates, wherein the head-raised dust collecting groove comprises a horizontal dust collecting groove and an upper-raised dust collecting groove; the dust scraping driving device comprises a dust scraping driving motor, a driving extension shaft, a coupler, a bearing seat, a bearing box bracket and a driving motor seat; the double-chain transmission device comprises a bearing box, a bearing box bracket, a driving shaft, four transmission chain wheels, double transmission chain belts, a driven shaft and a movable bearing box; the chain tensioning device comprises a chain tightening box and a chain tightening device; the dust scraping plate comprises a dust scraping main plate and a scraping plate angle steel bar; the interconnection relationship is: the nose type dust collecting groove of the dust collecting device is integrally arranged on the bottom of the compartment below the lower layer cake conveying mesh belt, wherein the nose type dust collecting groove corresponds to the dry material spiral output mechanism; the lower edges of the double dust collecting plates are respectively obliquely arranged on two sides of the nose type dust collecting groove, and the upper edges of the dust collecting plates are lapped on the inner wall of the closed compartment body; the chain tensioning device is butted with the horizontal dust accumulation groove, integrally arranged on the bottom of the compartment below the lower layer cake conveying mesh belt and can tension the double transmission chains; the double-bearing box bracket and the bearing box are arranged in the closed carriage body corresponding to the upwarping dust accumulation groove, and the driving shaft with the chain wheel is arranged in the double-bearing box; the movable bearing box is slidably arranged in a double-bearing box slideway of the chain tensioning device, and the driven shaft with the chain wheel is arranged on the double-movable bearing box; the double-transmission chain penetrates through a chain slideway of the nose type dust collecting groove and is respectively arranged on four transmission chain wheels of a driving shaft with a chain wheel and a driven shaft with the chain wheel to form a double-chain transmission device; the dust scraping plates are alternately arranged on the double-chain transmission device by 6 chain links and contact with a bottom plate of the nose-warped dust collecting groove; the bearing box bracket and the bearing box of the driving device are arranged on a straight line of the double bearing box bracket of the double-chain transmission device; the drive motor base is arranged outside the closed compartment body in alignment with the three bearing box brackets; the dust scraping drive motor is arranged on the drive motor base and is communicated with the PLC program control system in parallel; the driving extension shaft is arranged in the bearing box and connected with the speed reducer, and the coupling is connected with the driving shaft and the driving extension shaft; the dust cleaning mechanism can automatically scrape accumulated dust in the dust collecting device to the dry material spiral output mechanism at regular intervals, so that the cleanness in the closed compartment body reaches the standard.
2. The mechanism of claim 1, wherein the dust collector has a total length corresponding to the length of the enclosed compartment and a total width corresponding to the width of the enclosed compartment; the horizontal dust collecting groove comprises a flat groove frame, an upper connecting plate, a lower connecting plate, a dust collecting groove bottom plate, a chain flat slideway and a flat groove side plate; the double upper connecting plates and the double lower connecting plates are respectively welded at the upper and lower parts of the two ends of the double flat groove frame to form a horizontal dust collecting groove frame; the bottom plate of the dust collecting groove is welded below the horizontal dust collecting groove frame, and the side plates of the double flat grooves are respectively welded in the side frames of the double flat grooves; two chain smooth paths are respectively welded on two sides of the bottom plate of the dust collection tank, and the other two chain smooth paths are respectively welded on two ends of the double upper connecting plates to form a horizontal dust collection tank; the upper warping dust accumulation groove comprises an upper connecting plate, a lower connecting plate, a dust accumulation groove bottom plate, a warping groove frame, a warping groove side plate, a chain warping slideway, an upper chain pressing plate, a lower chain pressing plate and a pressing plate mounting plate, and the upper warping height of the upper warping dust accumulation groove corresponds to the height of the dry material spiral output mechanism; the double upper connecting plates and the double lower connecting plates are respectively welded on the upper and lower parts of two ends of the double-warping groove frame to form a warping dust collection groove frame; the bottom plate of the dust collecting groove is welded below the frame of the upward warping dust collecting groove, and the double warping groove side plates are respectively welded in the double warping groove side frames; two chain warping slideways are respectively welded on two sides of the bottom plate of the dust collection tank, and the other two chain warping slideways are respectively welded on two ends of the double upper connecting plates; the two lower chain pressing plates are respectively arranged at the positions capable of pressing the chains on the two lower-layer chain warping slideways, and the two upper chain pressing plates are respectively arranged at the positions capable of pressing the chains on the two upper-layer chain warping slideways to form an upper warping dust accumulation groove; the dust collecting plate is a rectangular stainless steel thin plate.
3. The mechanism of claim 1, wherein the dust scraping drive device is provided with a dust scraping drive motor, which is a speed reducing motor of GSAT87-Y1.1-4P-258.18-M1 type, comprising an electric motor and a speed reducer; scrape dirt driving motor and install on driving motor seat, the bearing box is installed on the bearing box support, and the initiative extension axle is installed in the bearing box and is connected the reduction gear, coupling joint driving shaft and initiative extension axle.
4. The mechanism of claim 1, wherein the dual chain drive comprises a drive chain comprising roller chain links, dust scraper chain links, and idler chain links; the chain plates and the chain plates with the idler wheels are connected with one sides of the roller type chain links at intervals according to the quantity of 2:1, and the chain plates and the dust scraping chain plates are connected with the other sides of the roller type chain links at intervals according to the quantity of 2: 1; the double bearing boxes are arranged on the double bearing seat bracket, and the double movable bearing boxes are arranged on the double tight chain device; the double transmission chain wheels are alternately arranged on the driving shaft to form the driving shaft with the chain wheels; the double-transmission chain wheels are alternately arranged on the driven shaft to form a driven shaft with the chain wheels; the driving shaft with the chain wheel is arranged on the double-bearing box, and the driven shaft with the chain wheel is arranged on the double-moving bearing box; the double-chain transmission device is formed by the way that the double-chain transmission chain passes through a chain slideway of the nose type dust collecting groove and is respectively arranged on four transmission chain wheels of a driving shaft with a chain wheel and a driven shaft with the chain wheel.
5. The dust collecting and cleaning mechanism of claim 1, wherein the chain tensioner is a chain tightening box, which is a chain tightening box installed with the chain tightening device and connected with the horizontal dust collecting groove, and comprises a dust collecting groove bottom plate, a chain tightening box upper frame, a chain tightening box lower frame, a chain tightening box side plate, a chain tightening box sealing plate and a box frame connecting plate; the chain tightening box side plate is provided with a driven shaft moving hole; respectively and vertically welding two ends of an upper frame and a lower frame of the tight chain box by using a tight chain box sealing plate and a double-box-frame connecting plate to form a tight chain box frame; the bottom plate of the dust accumulation groove is welded below the frame of the tight chain case, and the side plates of the double tight chain cases are respectively welded at two sides of the frame of the tight chain case; the chain tightening device is used for adjusting the horizontal positions of the double movable bearing boxes and comprises a chain tightening frame transverse plate, a bearing box slide way, a chain tightening frame vertical plate, a movable bearing box, a chain tightening screw rod, a chain tightening nut and a frame box connecting column; the chain tightening frame transverse plate is an angle steel transverse plate, and the chain tightening frame vertical plate is provided with a chain tightening screw hole; the double-tight chain frame transverse plates are symmetrically and vertically welded at two ends of the tight chain frame vertical plates, the double-bearing box slide ways are symmetrically arranged in the double-tight chain frame transverse plates, the movable bearing boxes are slidably arranged in the double-bearing box slide ways, the tight chain screw penetrates through the tight chain frame vertical plates to be connected with the movable bearing boxes, three tight chain nuts are respectively arranged at two ends and the middle of the tight chain screw, and a plurality of frame box connecting columns are welded on the angle steel vertical surfaces of the tight chain frame transverse plates; the double chain tightening devices are symmetrically arranged on two sides of the chain tightening box and are connected with the chain tightening box by a plurality of frame box connecting columns of the chain tightening devices.
6. The mechanism of claim 1, wherein the dust scraping plate is provided with a dust scraping main plate, the upper corners of two ends of the dust scraping main plate are provided with double mounting holes, the length of the double mounting holes corresponds to the distance between the double transmission chains, and the width of the double mounting holes is based on the fact that the double mounting holes can contact the bottom of the dust collecting groove after being mounted; and the scraping plate angle steel bar is welded on one surface of the dust scraping main plate to form a dust scraping plate.
7. A closed filter cake dryer, namely a totally closed structure environment-friendly normal pressure high-low temperature continuous convection type filter cake dryer, comprises a closed compartment, a filter cake crushing and slitting mechanism, a double-layer mesh belt material conveying mechanism, a high-low temperature drying system, a dry material spiral output mechanism, a dust screen, a dust cleaning mechanism and a PLC program control system; the dust removing mechanism is the dust collecting and cleaning mechanism in the dryer chamber of any one of claims 1 to 6; the closed filter cake dryer has the functions of performing closed high-temperature evaporation and drying on the materials with the water content of 55-83%, and further performing low-temperature condensation and dehumidification to reduce the water content of the materials by over 80%.
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| CN202210303680.9A CN114636309A (en) | 2022-03-26 | 2022-03-26 | Dust collecting and cleaning mechanism in dryer compartment and closed filter cake dryer |
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| CN212597694U (en) * | 2020-06-23 | 2021-02-26 | 成都胜达玻璃有限责任公司 | Glass cleaning and drying machine |
| CN213134356U (en) * | 2020-07-30 | 2021-05-07 | 苏州金沃生态环保科技有限公司 | Scattered dust collector |
| CN214133166U (en) * | 2020-07-30 | 2021-09-07 | 苏州金沃生态环保科技有限公司 | Scattered dust collector with double-group transmission chains |
| CN215665606U (en) * | 2021-10-10 | 2022-01-28 | 景津环保股份有限公司 | Broken chain monitoring device for cake conveying net belt and double-layer cake conveying net belt mechanism of corresponding dryer |
| CN113788598A (en) * | 2021-10-21 | 2021-12-14 | 同臣环保装备科技(苏州)有限公司 | Automatic ash removal device applied to sludge belt type drying machine and working method thereof |
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| CN115727661A (en) * | 2022-12-09 | 2023-03-03 | 景津装备股份有限公司 | Top-mounted even-air slow-flow cover type double-layer mesh belt material conveying mechanism of closed filter cake dryer |
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Application publication date: 20220617 |