CN210457912U - Sludge reduction device - Google Patents

Abstract

The utility model relates to a solid useless treatment facility's technical field relates to a mud minimizing device, which comprises a housin, feed inlet and discharge gate, be provided with the mud extruder on the feed inlet, the mud extruder is including setting up the extrusion case on the feed inlet, two conveying rollers, set up the compression bar on the conveying roller along the length direction interval, two shaping rollers, and set up and be used for ordering about conveying roller and shaping roller pivoted power component on the extrusion case, the crisscross setting of compression bar on two conveying rollers, and still set up on the compression bar and be curved piece that adds, the one side of piece indent is for the pressure face that is used for carrying mud. The utility model discloses has following effect: the pressurization pole will drive the piece that adds when rotating and move together to be convenient for transport mud towards one side of the forming roll, mud moves to between the forming roll, will be extruded, can make mud break up it before getting into the casing, increase mud stoving area of contact, improve mud stoving effect.

Description

Sludge reduction device

Technical Field

The utility model belongs to the technical field of solid useless treatment facility's technique and specifically relates to a mud minimizing device is related to.

Background

The sludge is a product in the sewage treatment process, is solid, semi-solid and liquid waste, and accounts for 0.3-0.5% of the sewage treatment capacity, and contains ash content, a large amount of water (95-99%), a large amount of organic matters, pathogenic microorganisms, bacteria, parasitic ova, volatile substances, heavy metals, salts, plant nutrients (nitrogen, phosphorus, potassium) and the like. It is bulky, easy to decay and easy to cause secondary pollution.

At present, production enterprises generally carry out outward transportation treatment after primary dehydration of sludge. The patent application with publication number CN107586002A discloses a sludge drying treatment device, which comprises a drying pipe body, two supporting bodies for supporting the drying pipe body, a feeding port and a discharging port, wherein the drying pipe body is in a capsule shape and sequentially comprises a metal shell, a heat insulation layer, a heating layer and a heating cavity from outside to inside; the feeding port and the discharging port are positioned at two ends of the drying pipe body; the two support bodies are different in height, and the support body close to the feeding port is higher than the support body close to the discharging port; the heating cavity is internally provided with at least two screen units, each screen unit consists of a screen support ring, a support rib and a metal screen between the support ring and the support rib, the screen units can be drawn out or inserted through the corresponding semi-arc-shaped openings of the shell, and the support ring and the support rib can be electrically heated. Mud passes through the pan feeding mouth and enters into to the stoving body, dries mud through electrical heating to make the moisture in the mud discharge, and make mud discharge from the discharge gate, played the effect of decrement mud.

The above prior art solutions have the following drawbacks: mud is when entering into this kind of device, and mud will be the bulk and drop to the stoving body in, when drying to mud, outer mud is direct to contact with external hot-air, and its stoving effect is better, and the heat will produce the loss when transmitting gradually inlayer mud, and the mud of inlayer can't be dried betterly, leads to the whole stoving effect of mud relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mud stoving processing apparatus can make mud break up it before getting into the casing, increases mud stoving area of contact, improves mud stoving effect.

The above technical purpose of the present invention can be achieved by the following technical solutions: the sludge reduction device comprises a shell, a feed inlet and a discharge outlet, wherein the feed inlet is formed in the upper side of the shell, the discharge outlet is formed in the lower side of the shell, a sludge extruder is arranged on the feed inlet, the sludge extruder comprises an extrusion box arranged on the feed inlet, two conveying rollers which are connected into the extrusion box at intervals in a rotating mode, a plurality of pressure rods which are arranged on the conveying rollers at intervals along the length direction and used for conveying sludge downwards, two forming rollers which are connected into the extrusion box at intervals and located below the conveying rollers in a rotating mode, and a power assembly which is arranged on the extrusion box and used for driving the conveying rollers and the forming rollers to rotate, the pressure rods on the conveying rollers are arranged in a staggered mode, arc-shaped pressure pieces are further arranged on the pressure rods, and one surface, inwards concave, of each pressure piece is a pressure surface used.

Through adopting above-mentioned technical scheme, mud at first drops to extruding the case, power component orders about two conveying rollers and rotates the back, the pressure bar will rotate thereupon, and carry mud downwards, because the crisscross setting of pressure bar, can reduce the possibility that mud spills from the clearance in transportation process, and the pressure bar will drive the presser plate when rotating and move together, the pressfitting face of its indent is contradicted on mud, thereby be convenient for transport mud towards shaping roller one side, mud moves to between the shaping roller, will be extruded, mud after being extruded this moment gets into to the casing in, can make mud break up it before getting into the casing, increase mud stoving area of contact, improve mud stoving effect.

The utility model discloses a further set up to: the forming rollers are provided with a plurality of forming ring grooves along the length direction, and the forming ring grooves on the two forming rollers are arranged in a staggered manner; a mud removing plate is arranged on the side wall of the extrusion box and positioned at the lower side of the forming roller, and a mud scraping lug embedded in the forming ring groove is arranged on the mud removing plate; and a sealing plate is arranged on the side wall of the extrusion box and between the conveying roller and the forming roller, and a sealing lug embedded in the forming ring groove is arranged on the sealing plate.

By adopting the technical scheme, when the sludge falls onto the forming rollers, the scattered sludge is squeezed between the two forming rollers by the pressurizing sheet, when the forming rollers rotate, the sludge is squeezed into the forming ring grooves, the sludge can be squeezed into strips by the staggered forming ring grooves, the contact area between the sludge and the forming rollers can be increased by the forming ring grooves, the sludge can be more conveniently extruded and formed, and the surface area of the extruded sludge is larger; after the sludge is extruded, the sludge scraping lug can scrape the sludge remained in the forming ring groove, so that the subsequent continuous extrusion of the sludge is facilitated; the closing plate can deviate from one side and extrude the clearance seal between the incasement wall with two forming roll mutually for mud moves between two forming roll, the extrusion of the mud of being convenient for.

The utility model discloses a further set up to: just be located in the casing the feed inlet downside is provided with the conveyer belt that is used for the pay-off, the conveyer belt includes the hollow tube that a plurality of parallel intervals set up and sets up the hinge between two adjacent hollow tubes, shells inner wall is last and be located the hollow tube both sides and all be provided with the hot medium case, two install first pipe and the first exit tube of advancing respectively on the hot medium case, be provided with the track on the lateral wall of hot medium case, the hollow tube sets up on the track and with hot medium case cavity intercommunication, be provided with on the hot medium case and order about the drive assembly of hollow tube along orbital motion, be provided with the structure of bleeding on the shells roof.

Through adopting above-mentioned technical scheme, mud enters into to the casing through the feed inlet, mud will drop to the conveyer belt on, drive assembly will order about the hollow tube and move on the hot-medium box along the track, the heart pipe will drive the mud motion during the motion, mud passes through the discharge gate and discharges, let in the remaining hot medium of enterprise in the hot-medium box through first advancing pipe this moment, hot medium is full of the hollow tube this moment, the hollow tube is with mud indirect heat transfer when carrying mud, reach the effect of evaporation mud moisture, the inside steam of evaporating of device sends to the exhaust-gas treatment system through the structure of bleeding, compare this kind of device with prior art and can utilize the low-grade heat source to add thermal dehydration to mud, reduce the treatment cost of mud decrement.

The utility model discloses a further set up to: the side wall of the heat medium box is provided with a sliding groove for embedding the track, the sliding groove comprises two linear grooves which are parallel to each other and a bending groove of which two ends are respectively communicated with the two linear grooves, the track comprises a plurality of connecting blocks which are embedded in the sliding groove and are hinged to each other and pulleys which are rotatably connected to two sides of the connecting blocks, the inner wall of the sliding groove is provided with a sliding groove for embedding the pulleys, and one end of the hollow pipe penetrates through the connecting blocks and then extends into the heat medium box.

Through adopting above-mentioned technical scheme, mud drops on the hollow tube after, will earlier can follow the straight line groove horizontal transport, the hollow tube will be to mud heating dehydration in the transportation, when the hollow tube moves to crooked groove, mud will drop to the casing bottom under the action of gravity, the hollow tube returns initial position through the straight line groove of downside at this moment and transports mud again, and every hollow tube is when the motion, rather than the connecting block that corresponds at the spout internal motion, and the pulley slides in the sliding tray, reduce the motion frictional force.

The utility model discloses a further set up to: the heat medium box is internally provided with a sealing rubber sheet matched with the sliding groove, the sealing rubber sheet is sleeved at one end of the hollow pipe extending into the heat medium box, and the two sides of the sealing rubber sheet cover the gap between the connecting block and the inner wall of the sliding groove.

Through adopting above-mentioned technical scheme, the hot medium will fill to in the hollow tube through the hollow tube opening part that is located the hot medium case, and the hot medium after the cooling leaves the hollow tube through first exit tube, and the sealing rubber piece can increase the leakproofness between connecting block and the spout inner wall, reduces the possibility that the hot medium reveals to the casing cavity in, improves the utilization ratio of hot medium, further reduces the treatment cost.

The utility model discloses a further set up to: the inner wall of the heat medium box is located on the outer side of the sealing rubber sheet, a frame matched with the sliding groove is arranged on the outer side of the sealing rubber sheet, the frame extends towards the center of the frame to form a clamping edge, the edge of the sealing rubber sheet is embedded into the space between the clamping edge and the inner wall of the heat medium box, and the clamping edge is connected with a pressing wheel in a sliding mode, and the pressing wheel is used for pressing the sealing rubber sheet against the inner wall of the heat medium box.

Through adopting above-mentioned technical scheme, when heat medium flowed to the hollow tube, drive assembly drove the sealing rubber piece and moves with the hollow tube, and the contained side can play spacing effect to the both sides of sealing rubber piece this moment, and supports tight round and can support the both sides of sealing rubber piece tightly on the inner wall of heat medium case, plays better sealed effect for the sealing rubber piece can better cover the clearance between connecting block and the spout inner wall when the motion.

The utility model discloses a further set up to: the utility model discloses a sealing rubber piece, including the sealed piece of sealed rubber piece, the sealed piece of sealed rubber piece is provided with the base, the even interval slides along the direction on perpendicular to contained side along the contained side and is connected with a plurality of slide bars, on the slide bar and be located the contained side is close to the one end of sealed rubber piece and is provided with the base, it is connected with the tight wheel of support to rotate on the base, on the slide bar and be located and be provided with between contained side and the base and support tight spring, a plurality of slide bar keep away from one of sealed rubber piece serve be.

Through adopting above-mentioned technical scheme, establish the back on the hollow tube with the sealing rubber piece cover, will carry and draw the ring and pull up, make the slide bar slip the back, support tight spring compression deformation, support to form great clearance between tight wheel and the hot-medium box inner wall this moment, then fill in the contained side below to both sides respectively with the both sides of sealing rubber piece, loosen afterwards and carry the ring, support to make to support the tight wheel to support tight on the inner wall of hot-medium box with the sealing rubber piece after the spring kick-backs, play better sealed effect, reduce the possibility that the hot-medium revealed.

The utility model discloses a further set up to: the hollow tube stretches out the one end of sealing rubber piece is provided with the skewed tooth along the axial, the skewed tooth orientation the lopsidedness setting of sealing rubber piece, the cover is equipped with and is used for supporting the sealing rubber piece tight ring that supports on the connecting block on the hollow tube, support the inner wall of tight ring and seted up the confession the storage tank of skewed tooth embedding, support on the outer wall of tight ring along radially seted up with the logical groove of storage tank intercommunication, it is connected with the inserted bar that is used for embedding between the skewed tooth to lead to the inslot cunning, the inserted bar is kept away from one of storage tank and is served and be provided with the lifting piece, the cover is equipped with both ends and is fixed the setting respectively on the inserted bar lifting piece with support the spacing spring on the tight ring.

Because the heat medium that lets in the heat medium case is low-grade heat medium, the sealing rubber piece probably is corroded after long-term the use, and when the sealing rubber piece moved along with the hollow tube, takes place the friction with the heat medium incasement wall, will lead to the sealing rubber piece to damage, influences the leakproofness of heat medium case. Through adopting above-mentioned technical scheme, establish the back on the hollow tube with the sealing rubber piece cover, will support the lock ring and overlap and establish on the hollow tube, and make the skewed tooth embedding to the storage tank in, along with supporting the continuous motion of lock ring, the inserted bar is contradicted on the skewed tooth after, it will radially move on supporting the lock ring, spacing spring compression deformation this moment, the inserted bar moves to skewed tooth top after, will imbed under spacing spring's effect between the clearance between two skewed teeth, finally make to support the lock ring and support the sealing rubber piece tightly on the connecting block, further improve the leakproofness, the inserted bar embedding can prevent to support the lock ring after between the skewed tooth and keep away from the connecting block motion. When the sealing rubber sheet needs to be replaced, the lifting block is lifted, so that the embedded rod is separated from the accommodating groove, the abutting ring can be taken down, and the sealing rubber sheet is replaced.

The utility model discloses a further set up to: just be located in the casing the conveyer belt below is rotated and is connected with two hollow shafts, be provided with on the casing and be used for ordering about hollow shaft pivoted second motor, be the heliciform on the hollow shaft and be provided with rather than inside intercommunication and be wedge-shaped cavity paddle, two on the hollow shaft cavity paddle sets up in the past, the both ends of hollow shaft are provided with the second respectively and advance pipe and second exit tube, the lateral wall of casing is hollow structure, just the inside vacuole formation of casing lateral wall, be provided with on the casing with the third of cavity intercommunication advances pipe and third exit tube.

Through adopting above-mentioned technical scheme, mud falls into the hollow shaft of lower floor after the stroke of upper conveyer belt, the second motor orders about the hollow shaft and rotates, and advance the pipe through the second this moment, the third advances to manage and lets in the hot medium towards hollow shaft and cavity respectively, the hot medium is full of the hollow shaft, the hollow paddle, the casing, mud moves towards discharge gate one side under the stirring of hollow paddle, and mud and casing, the hot surface of hollow paddle carries out abundant heat exchange, obtain evaporating once more in the mud, in order to reach the drying purpose, the slew velocity of accessible adjustment hollow shaft, control hollow paddle speed, control the dwell time of mud on the hollow paddle, guarantee ejection of compact mud dryness fraction. The wedge-shaped hollow blades have larger heat transfer area, the sludge drying effect is guaranteed, the hollow blades on one hollow shaft can be embedded into the middle of the other hollow shaft in the rotating process, so that sludge adhered to the hollow blades is scraped, the self-cleaning function is achieved, most of sludge can be in uniform contact with the hollow blades, and the evaporation effect is guaranteed to the maximum extent.

The utility model discloses a further set up to: the shell inner wall is provided with a humidity sensor at the discharge port, the shell inner wall is provided with a controller which is electrically connected with the humidity sensor to receive an electric signal, and the controller is electrically connected with the second motor to control the second motor to start and stop.

Through adopting above-mentioned technical scheme, humidity sensor can monitor the humidity when the mud ejection of compact, according to sludge treatment's dryness fraction requirement, is provided with predetermined humidity value, and when the humidity of humidity control point department was higher than predetermined humidity value, the second motor will the bring to rest, and mud carries out the normal position evaporation, ensures the mud evaporation effect.

To sum up, the utility model discloses a beneficial technological effect does:

1. mud drops back in extruding the case, because the crisscross setting of pressure pole, can reduce the possibility that leaks in the clearance at transportation in-process mud, and pressure pole will drive the simultaneous movement of pressurization piece when rotating, the pressurization face of its indent is contradicted on mud, thereby be convenient for transport mud towards forming roll one side, mud moves to between the forming roll, will be extruded into the strip, mud after being extruded this moment gets into to the casing in, can make mud break up it before getting into the casing, increase mud stoving area of contact, improve mud stoving effect.

2. The sludge enters the shell through the feeding hole and falls on the hollow pipe, residual heat medium of an enterprise is introduced into the hollow pipe through the heat medium box, the hollow pipe is driven by the driving assembly to move on the heat medium box along the track, the sludge is driven to move by the hollow pipe during movement, the hollow pipe indirectly transfers heat with the sludge while conveying the sludge, the effect of evaporating sludge moisture is achieved, compared with the prior art, the device can utilize a low-grade heat source to heat and dehydrate the sludge, and the sludge reduction treatment cost is reduced;

3. sludge falls into the lower hollow shaft after the stroke of the upper conveying belt is finished, the second motor drives the hollow shaft to rotate, the sludge moves towards one side of the discharge port under the stirring of the hollow blades, the sludge is subjected to sufficient heat exchange with the shell and the hot surfaces of the hollow blades, the sludge is evaporated again, the drying purpose is achieved, the sludge can be scraped by the hollow blades on the two hollow shafts during rotation, the self-cleaning function is achieved, most of the sludge can be in uniform contact with the hollow blades, and the evaporation effect is guaranteed to the maximum extent;

4. humidity sensor can monitor the humidity when the mud ejection of compact, and according to sludge treatment's dryness factor requirement, be provided with predetermined humidity value, when the humidity of humidity control point department is higher than predetermined humidity value, the second motor will the stall, and mud carries out the normal position evaporation, ensures the mud evaporation effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the internal structure of a sludge extruder;

FIG. 3 is a partial exploded view of the sludge extruder with the mounting cover hidden;

FIG. 4 is a schematic view of a portion of an extrusion box showing a power assembly;

fig. 5 is a partial cross-sectional view of the present invention, showing the internal structure;

FIG. 6 is a bottom view of the belt;

FIG. 7 is an enlarged view of portion A of FIG. 6 to show the construction of the belt;

FIG. 8 is a schematic view of the structure of the thermal medium box with the hollow tubes hidden;

FIG. 9 is an enlarged view of the portion B of FIG. 8, showing the connection between the connecting block and the sliding groove;

FIG. 10 is a partial cross-sectional view of the thermal media case showing the internal structure;

FIG. 11 is an enlarged view of portion C of FIG. 10;

fig. 12 is a partial structural view of a thermal medium tank for showing a driving assembly.

Reference numerals: 100. a housing; 110. a feed inlet; 120. a discharge port; 130. A cavity; 131. a third inlet pipe; 132. a third outlet pipe; 140. a sludge extruder; 141. An extrusion box; 142. a conveying roller; 143. a pressurizing rod; 144. a forming roller; 145. pressing the tablets; 146. forming a ring groove; 150. an air extraction structure; 151. an air exhaust pipe; 152. an exhaust fan; 160. an insulating glass observation window; 171. a sealing plate; 172. sealing the bump; 173. A mud removing plate; 174. scraping mud bumps; 175. a sludge discharge hole; 180. a power assembly; 181. A pressure gear; 182. forming a gear; 183. a link sprocket; 184. a linkage chain; 185. an extrusion motor; 186. mounting a cover; 200. a conveyor belt; 210. a hollow tube; 220. A hinge; 221. a hinge ring; 222. hinging a shaft; 230. a heat medium tank; 231. a first inlet pipe; 232. a first outlet pipe; 240. a track; 241. a chute; 242. a linear groove; 243. a curved groove; 244. a support block; 245. connecting blocks; 246. a pulley; 247. a sliding groove; 250. sealing the rubber sheet; 251. helical teeth; 252. a tightening ring; 253. a containing groove; 254. a through groove; 255. embedding a rod; 256. lifting the block; 257. a limiting spring; 260. A frame; 261. clamping edges; 262. a slide bar; 263. a tightening wheel; 264. the spring is tightly propped; 265. lifting the ring; 266. a base; 270. a brush bar; 271. brushing; 280. a drive assembly; 281. a first motor; 282. a drive wheel; 283. a groove; 300. a hollow shaft; 310. a second motor; 320. a communicating cover; 321. a second inlet pipe; 322. a second outlet pipe; 323. entering a hole; 330. a hollow blade; 410. a humidity sensor; 420.

and a controller.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A sludge reduction device, referring to fig. 1 and 5, comprises a shell 100, a feed inlet 110 arranged on the upper side of the shell 100 and a discharge outlet 120 arranged on the lower side of the shell 100, wherein the side wall of the shell 100 is of a hollow structure, a cavity 130 is formed inside the side wall of the shell 100, and a third inlet pipe 131 and a third outlet pipe 132 are arranged on the shell 100. The insulating glass observation windows 160 are installed at both sides of the case 100, and the insulating glass is installed inside the case. Meanwhile, an air exhaust structure 150 is arranged on the top wall of the shell 100, the air exhaust structure 150 comprises an air exhaust pipe 151 and an exhaust fan 152, the air exhaust pipe 151 is installed on the top wall of the shell 100 and is communicated with the inside of the shell 100, the exhaust fan 152 is installed on the air exhaust pipe 151, and the other end of the air exhaust pipe 151 is connected with an exhaust gas treatment system of an enterprise.

Referring to fig. 1, 2 and 3, a sludge extruder 140 for extruding sludge is installed at the feed port 110, the sludge extruder 140 includes an extrusion box 141, a conveying roller 142, pressure rods 143, a forming roller 144 and a power assembly 180, the extrusion box 141 is installed on the feed port 110 by bolts, the conveying roller 142 is provided with two and is rotatably connected to the inner wall of the extrusion box 141 by bearings, the pressure rods 143 are welded to the circumferential side wall of the conveying roller 142 along the length direction thereof, and the pressure rods 143 of the two conveying rollers 142 are staggered. An arc-shaped pressurizing sheet 145 is further welded on one end, away from the conveying roller 142, of the pressurizing rod 143, and the concave surface of the pressurizing sheet 145 is a pressurizing surface for conveying sludge.

Referring to fig. 3 and 4, there are also two forming rollers 144, the two forming rollers 144 are rotatably connected in the extrusion box 141 at intervals and located below the conveying roller 142, the forming rollers 144 are provided with a plurality of forming ring grooves 146 along the length direction thereof, and the forming ring grooves 146 on the two forming rollers 144 are staggered. A sealing plate 171 is fixed to the side wall of the extrusion box 141 by bolts, the sealing plate 171 is located between the forming roller 144 and the conveying roller 142, and a sealing projection 172 embedded in the forming ring groove 146 is integrally provided on the edge of the sealing plate 171 away from the side wall of the extrusion box 141. And simultaneously, a mud removing plate 173 is fixed on the side wall of the extrusion box 141 and positioned at the lower side of the forming roller 144 through bolts, mud scraping lugs 174 embedded in the forming ring groove 146 are integrally arranged on the edge of the mud removing plate 173 far away from the side wall of the extrusion box 141, and a plurality of mud discharging holes 175 are formed in the mud removing plate 173. The power assembly 180 comprises a pressurizing gear 181, a forming gear 182, linkage chain wheels 183, linkage chains 184 and an extrusion motor 185, wherein the pressurizing gear 181 is connected with one end of each of the two conveying rollers 142 in a key mode and is meshed with each other, the forming gear 182 is connected with one end of each of the two forming rollers 144 in a key mode and is meshed with each other, the linkage chain wheels 183 are two, the two linkage chain wheels 183 are respectively welded on the pressurizing gear 181 and the forming gear 182 on the same side, the linkage chains 184 are sleeved on the two linkage chain wheels 183, the extrusion motor 185 is fixedly installed on the extrusion box 141 through bolts, and an output shaft of the extrusion motor 185 is fixedly installed with one end of the conveying roller 142 provided with. A mounting cover 186 for covering the power module 180 is fixed to the outer wall of the extrusion case 141 by bolts.

When the extruding motor 185 works, the conveying roller 142 is driven to drive the linkage chain wheel 183 to rotate, the pressurizing gears 181 on the upper side and the lower side rotate in the same direction with the forming gears 182, the two adjacent pressurizing gears 181 and the two adjacent forming gears 182 rotate in opposite directions, the rotating tangential direction of the two adjacent pressurizing gears 181 close to one side is vertical downward, and therefore the rotating direction of the two adjacent forming gears 182 is the same as that of the pressurizing gears 181. So that the conveying roller 142 drives the pressurizing rod 143 to continuously move the sludge downwards, and the arc-shaped pressurizing sheet 145 can convey the sludge downwards better through the pressurizing surface. The sealing plate 171 seals a gap between the opposite side of the two forming rollers 144 and the inner wall of the extrusion box 141, so that the sludge moves towards the space between the two forming rollers 144, and the sludge is conveniently extruded and formed. At this moment, when the forming roller 144 rotates, sludge is extruded into the forming ring groove 146 and extruded into a strip shape, the forming ring groove 146 can increase the contact area between the sludge and the forming roller 144, the sludge extrusion forming is more convenient, the surface area of the extruded sludge is larger, after the sludge is extruded, the sludge scraping lug 174 can scrape off the sludge remained in the forming ring groove 146, the subsequent sludge extrusion is continued, and the sludge can be continuously extruded into a strip shape and enters the shell 100 through the feed inlet 110.

Referring to fig. 5, 6 and 7, a conveyor belt 200 is arranged in the housing 100 and at the lower side of the feed inlet 110, the conveyor belt 200 includes hollow pipes 210 and hinges 220, the hollow pipes 210 are arranged in parallel, the gap between the hollow pipes 210 is 1.5cm, and the gap width can be adjusted according to actual needs. The hinge 220 is disposed between two adjacent hollow tubes 210 and is used to connect the hollow tubes 210. The hinge 220 comprises a hinge ring 221 and a hinge shaft 222, the hinge ring 221 is sleeved on the hollow tube 210, and the hinge ring 221 on the adjacent hollow tube 210 is hinged through the hinge shaft 222. The heat medium boxes 230 are installed on the inner wall of the housing 100 and located on two sides of the hollow tube 210, and the two heat medium boxes 230 are respectively installed with a first inlet tube 231 and a first outlet tube 232. The side wall of the thermal medium box 230 is provided with a track 240 (as shown in fig. 9), the hollow tube 210 is arranged on the track 240 and is communicated with the cavity 130 of the thermal medium box 230, and the thermal medium box 230 is provided with a driving assembly 280 (as shown in fig. 12) for driving the hollow tube 210 to move along the track 240.

Referring to fig. 6 and 8, a sliding groove 241 into which the rail 240 is inserted is formed in a side wall of the heat medium case 230, the sliding groove 241 includes two linear grooves 242 parallel to each other and a curved groove 243 having both ends respectively communicated with the two linear grooves 242, and a side wall of the heat medium case 230 located inside the sliding groove 241 is fixedly connected to a side wall of the other side through a supporting block 244 (as shown in fig. 10).

Referring to fig. 9, the rail 240 includes a plurality of connecting blocks 245 and pulleys 246, the connecting blocks 245 are sequentially embedded in the sliding grooves 241, and two adjacent connecting blocks 245 are hinged to each other. The pulley 246 is rotatably connected to two sides of the connecting block 245, a sliding groove 247 for the pulley 246 to be embedded into is formed on the inner wall of the sliding groove 241, and one end of the hollow pipe 210 penetrates through the connecting block 245 and then extends into the heat medium box 230.

Referring to fig. 10 and 11, a sealing rubber sheet 250 adapted to the sliding groove 241 is disposed in the heat medium box 230, and the sealing rubber sheet 250 is sleeved on one end of the hollow tube 210 extending into the heat medium box 230. And after the sealing rubber sheet 250 is installed on the hollow tube 210, both sides thereof cover the gap between the connecting block 245 and the inner wall of the sliding groove 241. One end of the hollow tube 210 extending out of the sealing rubber sheet 250 is integrally provided with helical teeth 251 along the axial direction, and the helical teeth 251 are obliquely arranged towards one side of the sealing rubber sheet 250. The hollow tube 210 is sleeved with a supporting ring 252 for supporting the sealing rubber sheet 250 on the connecting block 245, the inner wall of the supporting ring 252 is provided with an accommodating groove 253 for embedding the helical teeth 251, and the outer wall of the supporting ring 252 is radially provided with a through groove 254 communicated with the accommodating groove 253. The through groove 254 is connected with the embedded rod 255 in a sliding manner, one end of the embedded rod 255, which is far away from the accommodating groove 253, is integrally provided with a lifting block 256, the embedded rod 255 is sleeved with a limiting spring 257, one end of the limiting spring 257 is welded on the lifting block 256, and the other end of the limiting spring is welded on the side wall of the abutting ring 252. The abutting ring 252 is sleeved on the hollow tube 210, the helical teeth 251 are embedded into the accommodating groove 253, the embedded rod 255 abuts against the helical teeth 251 along the radial direction after the abutting ring 252 moves continuously, the embedded rod 255 moves on the abutting ring 252 along the radial direction after abutting against the helical teeth 251, the limiting spring 257 is compressed and deformed at the moment, the embedded rod 255 is embedded into a gap between the two helical teeth 251 under the action of the limiting spring 257 after moving to the top of the helical teeth 251, finally, the abutting ring 252 abuts against the sealing rubber sheet 250 on the connecting block 245, the sealing performance is further improved, and the abutting ring 252 can be prevented from moving away from the connecting block 245 after the embedded rod 255 is embedded between the helical teeth 251.

Referring to fig. 10 and 11, a frame 260 fitted to the sliding groove 241 is integrally provided on the inner wall of the heat medium tank 230 and outside the sealing rubber sheet 250, and the frame 260 extends toward the center thereof to form a clamping edge 261. The edge of the sealing rubber sheet 250 is embedded between the clamping edge 261 and the inner wall of the thermal medium tank 230. The clamping edge 261 is connected with a plurality of sliding rods 262 at even intervals in the direction perpendicular to the clamping edge 261 in a sliding manner, a base 266 is integrally arranged at one end, close to the sealing rubber sheet 250, of the clamping edge 261 on the sliding rods 262, a resisting wheel 263 is connected to the base 266 in a rotating manner, a resisting spring 264 is arranged on the sliding rods 262 and between the clamping edge 261 and the base 266, one end of the resisting spring 264 is welded to the base 266, and the other end of the resisting spring 264 is welded to the inner wall of the clamping edge 261. A lifting ring 265 matched with the sliding groove 241 is welded on one end of the sliding rod 262 far away from the sealing rubber sheet 250.

Referring back to fig. 6, a brush bar 270 is disposed in the housing 100 and below the conveyor belt 200, two ends of the brush bar 270 are respectively welded to the sidewalls of the heat medium boxes 230 at two sides, and bristles 271 extending between two adjacent hollow tubes 210 are mounted on the brush bar 270. When mud constantly drops on hollow tube 210, will be attached to on the hollow tube 210 surface, when hollow tube 210 moved to curved groove 243, although mud will drop, nevertheless because mud is comparatively thick, lead to attaching to more mud on the hollow tube 210, long-term in the past will lead to the heat transfer effect between hollow tube 210 and the mud relatively poor, influence the evaporation effect. Through setting up brush-holder stud 270 and brush hair 271, when hollow pipe 210 moved to the straight line groove 242 department of downside, brush hair 271 will be embedded into between two hollow pipes 210 to the mud on the hollow pipe 210 is cleared up, makes hollow pipe 210 can be better with the heat transfer in the hot medium to the mud in, guarantees the mud decrement effect.

Referring to fig. 12, the driving assembly 280 includes a first motor 281 and a driving wheel 282, the first motor 281 is fixed on the side wall of the heat medium box 230 by bolts and is located inside the track 240, two first motors 281 are provided and are respectively located inside the two bending grooves 243, the driving wheel 282 is keyed on the output shaft of the first motor 281, and grooves 283 for the hollow pipes 210 to be embedded are evenly spaced on the circumferential side wall of the driving wheel 282. When the first motor 281 works, the driving wheel 282 rotates along with the first motor 281, the hollow pipe 210 embedded in the groove 283 is driven to move, the sliding block moves in the sliding groove 241, the sealing rubber sheet 250 moves along with the hollow pipe 210, the conveying belt 200 moves to convey sludge, and meanwhile residual heat medium in an enterprise is introduced into the first inlet pipe 231, so that the hollow pipe 210 can heat the sludge and evaporate and dewater the sludge.

Referring to fig. 5, two hollow shafts 300 are rotatably connected in the housing 100 and below the conveyor belt 200, the two hollow shafts 300 are arranged in parallel, a second motor 310 for driving the hollow shafts 300 to rotate is arranged on the housing 100, communicating covers 320 are installed on both sides of the housing 100, both ends of the hollow shafts 300 are rotatably connected to the housing 100, both ends of the hollow shafts 300 respectively extend into the two communicating covers 320, the second motor 310 is fixedly installed on the communicating covers 320 far away from the discharge port 120 through bolts, one end of the hollow shafts 300 far away from the discharge port 120 extends out of the housing 100 and is fixedly installed on an output shaft of the second motor 310, and a plurality of inlet holes 323 are formed in a circumferential side wall of one end of the hollow shafts 300 far away from the discharge port 120. The communicating cover 320 far away from the discharge hole 120 is provided with a second inlet pipe 321, and the communicating cover 320 close to the discharge hole 120 is provided with a second outlet pipe 322. The two hollow shafts 300 are respectively provided with wedge-shaped hollow blades 330, the hollow blades 330 are communicated with the hollow shafts 300, and the hollow blades 330 on the two hollow shafts 300 are arranged in a staggered manner. Mud falls into lower floor's hollow shaft 300 after the stroke of upper conveyer belt 200, second motor 310 orders about hollow shaft 300 and rotates, mud moves towards discharge gate 120 one side under the stirring of hollow paddle 330, and mud and casing 100, the hot surface of hollow paddle 330 carries out abundant heat exchange, obtain evaporating once more in the mud, in order to reach dry purpose, hollow paddle 330 on two hollow shafts 300 can scrape off mud when rotating, have from the cleaning function, make most mud can with hollow paddle 330 even contact, furthest guarantees the evaporation effect.

A humidity sensor 410 is mounted on the inner wall of the casing 100 at the position of the discharge hole 120, and the model of the humidity sensor 410 in this embodiment is HTF 3223. A controller 420 electrically connected with the humidity sensor 410 to receive an electrical signal is installed on an inner wall of the casing 100, and the controller 420 in this embodiment is a PLC controller 420 of a model AM 2301. The controller 420 is electrically connected with the first motor 281 to control the first motor 281 to start and stop, and the controller 420 is electrically connected with the second motor 310 to control the second motor 310 to start and stop.

The first inlet pipe 231, the second inlet pipe 321, and the third inlet pipe 131 in this embodiment are disposed relatively independently, and may also be connected together by using valve pipelines, depending on the actual use situation.

The implementation principle of the embodiment is as follows: the sludge is put into the sludge extruder 140, the sludge is continuously conveyed to the forming roller 144 under the action of the pressurizing rod 143 and the pressurizing sheet 145, the sludge is pressed into the forming ring groove 146 and extruded into noodle-shaped sludge, and after the dough-shaped sludge is extruded into noodle-shaped sludge, the sludge can be scattered before entering the shell 100, the sludge drying contact area is increased, and the sludge drying effect is improved.

Sludge enters the shell 100 from the feeding hole 110, and the sludge is uniformly distributed on the hollow pipe 210 type conveyor belt 200, at this time, the first motor 281 works and the driving wheel 282 rotates, so that the hollow pipe 210 moves along the chute 241, and the sludge is transported. Meanwhile, the residual heat medium of the enterprise, which may be steam, hot water, heat transfer oil, etc., is introduced into the heat medium tank 230 through the first inlet pipe 231. The heat medium is introduced into the hollow pipe 210 through one end of the hollow pipe 210, which is located in the heat medium box 230, the heat medium in the hollow pipe 210 is in indirect contact with the sludge, part of moisture is evaporated, the accumulation thickness of the sludge on the conveyor belt 200 can be adjusted through the adjusted extrusion speed and the speed of the first motor 281, the accumulation thickness is generally 3-6 cm, and the evaporation time is prolonged, so that the evaporation effect is ensured. When the hollow pipe 210 moves to the linear groove 242 on the lower side, the brush hairs 271 are embedded between the two hollow pipes 210, so that the sludge on the hollow pipe 210 is cleaned, the hollow pipe 210 can better transfer heat in the heat medium to the sludge, and the sludge reduction effect is ensured.

When the hollow tube 210 moves, the sealing rubber sheet 250 is driven to move along the sliding groove 241, the sealing performance between the connecting block 245 and the sliding groove 241 can be increased, and the possibility of heat medium leakage is reduced. And because the sealing rubber sheet 250 can deform well, the sealing rubber sheet can move along with the hollow tube 210 all the time, and the abutting wheel 263 abuts against the sealing rubber sheet 250 during movement, so that the sealing rubber sheet can abut against the inner wall of the heat medium box 230. When the sealing rubber sheet 250 is damaged or aged, the pulling block 256 can be pulled up to separate the embedded rod 255 from the helical teeth 251, so that the abutting ring 252 is removed, and then the abutting wheel 263 is far away from the sealing rubber sheet 250 through the pulling ring 265, so that the sealing rubber sheet 250 can be replaced after being removed, the sealing performance is improved, and the use efficiency of the heat medium is improved.

The sludge falls into the lower hollow shaft 300 after the stroke of the upper layer conveyor belt 200 is finished, the second motor 310 drives the hollow shaft 300 to rotate, the sludge moves towards one side of the discharge hole 120 under the stirring of the hollow blades 330, and at the moment, the heat medium is introduced into the second inlet pipe 321 and the third inlet pipe 131, so that the cavity 130, the hollow shaft 300 and the hollow blades 330 are filled with the heat medium. The sludge can be fully heat-exchanged with the hot surfaces of the shell 100 and the hollow blades 330, the sludge is evaporated again, the drying purpose is achieved, the hollow blades 330 on the two hollow shafts 300 can scrape the sludge by embedding the hollow blades in rotation, the self-cleaning function is achieved, most of the sludge can be in uniform contact with the hollow blades 330, and the evaporation effect is guaranteed to the maximum extent.

When the sludge moves to the discharge port 120, the humidity sensor 410 can monitor the humidity of the sludge during discharging, a preset humidity value is set according to the dryness requirement of the sludge treatment, when the humidity at the humidity monitoring point is higher than the preset humidity value, the first motor 281 and the second motor 310 stop running, the sludge is evaporated in situ, and the sludge evaporation effect is ensured. The vapor evaporated from the inside of the device is sent to the waste gas treatment system through the air exhaust structure 150, and the whole process can be closed and vacuum operation is carried out, so that no peculiar smell is generated. The sludge reduction device can utilize residual heat medium of an enterprise, and leads the residual heat medium into the three heat medium pipelines, and the sludge is evaporated and dried by the heat medium, so that the heat energy utilization rate is improved, and the treatment cost of sludge reduction is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. The utility model provides a mud minimizing device, includes casing (100), sets up feed inlet (110) and discharge gate (120) of setting in casing (100) downside on casing (100) upside, its characterized in that: the sludge extruder (140) is arranged on the feed port (110), the sludge extruder (140) comprises an extrusion box (141) arranged on the feed port (110), two conveying rollers (142) which are connected in the extrusion box (141) at intervals in a rotating manner, a plurality of pressurizing rods (143) which are arranged on the conveying rollers (142) at intervals along the length direction and are used for conveying sludge downwards, and two forming rollers (144) which are connected in the extrusion box (141) at intervals in a rotating manner and are positioned below the conveying rollers (142), and a power assembly (180) arranged on the extrusion box (141) and used for driving the conveying rollers (142) and the forming rollers (144) to rotate, the pressurizing rods (143) on the two conveying rollers (142) are arranged in a staggered way, and the pressurizing rod (143) is also provided with an arc-shaped pressurizing sheet (145), and the concave surface of the pressurizing sheet (145) is a pressurizing surface for conveying sludge.

2. The sludge reduction apparatus according to claim 1, wherein: a plurality of forming ring grooves (146) are formed in the forming rollers (144) along the length direction of the forming rollers, and the forming ring grooves (146) on the two forming rollers (144) are arranged in a staggered mode; a mud removing plate (173) is arranged on the side wall of the extrusion box (141) and positioned at the lower side of the forming roller (144), and mud scraping lugs (174) embedded in the forming ring groove (146) are arranged on the mud removing plate (173); and a sealing plate (171) is arranged on the side wall of the extrusion box (141) and between the conveying roller (142) and the forming roller (144), and a sealing lug (172) embedded in the forming ring groove (146) is arranged on the sealing plate (171).

3. The sludge reduction apparatus according to claim 2, wherein: a conveyor belt (200) for feeding is arranged in the shell (100) and at the lower side of the feeding hole (110), the conveyor belt (200) comprises a plurality of hollow pipes (210) arranged in parallel at intervals and a hinge (220) arranged between two adjacent hollow pipes (210), the inner wall of the shell (100) and positioned at two sides of the hollow pipe (210) are respectively provided with a heat medium box (230), the two heat medium boxes (230) are respectively provided with a first inlet pipe (231) and a first outlet pipe (232), a track (240) is arranged on the side wall of the heat medium box (230), the hollow pipe (210) is arranged on the track (240) and is communicated with the cavity (130) of the heat medium box (230), the heat medium box (230) is provided with a driving assembly (280) for driving the hollow pipe (210) to move along a track (240), and the top wall of the shell (100) is provided with an air exhaust structure (150).

4. The sludge reduction apparatus according to claim 3, wherein: the side wall of the heat medium box (230) is provided with a sliding groove (241) for embedding the track (240), the sliding groove (241) comprises two parallel linear grooves (242) and a bending groove (243) with two ends communicated with the two linear grooves (242), the track (240) comprises a plurality of connecting blocks (245) which are embedded in the sliding groove (241) and hinged with each other and pulleys (246) rotatably connected to two sides of the connecting blocks (245), the inner wall of the sliding groove (241) is provided with a sliding groove (247) for embedding the pulleys (246), and one end of the hollow pipe (210) penetrates through the connecting blocks (245) and then extends into the heat medium box (230).

5. The sludge reduction apparatus according to claim 4, wherein: a sealing rubber sheet (250) matched with the sliding groove (241) is arranged in the heat medium box (230), the sealing rubber sheet (250) is sleeved on one end of the hollow pipe (210) extending into the heat medium box (230), and meanwhile, gaps between the connecting blocks (245) and the inner wall of the sliding groove (241) are covered on two sides of the sealing rubber sheet (250).

6. The sludge reduction apparatus according to claim 5, wherein: on the inner wall of hot-medium case (230) and be located the sealed rubber piece (250) outside be provided with frame (260) of spout (241) adaptation, frame (260) extend towards its center and form contained side (261), the border embedding of sealed rubber piece (250) to contained side (261) with between hot-medium case (230) inner wall, it is used for with to slide on contained side (261) sealed rubber piece (250) support tightly tight wheel (263) on hot-medium case (230) inner wall to be connected with.

7. The sludge reduction apparatus according to claim 6, wherein: it is connected with a plurality of poles of sliding (262) to press from both sides the even interval in the direction of limit (261) along the perpendicular to on limit (261) and slide, slide pole (262) go up and be located the one end that limit (261) are close to sealing rubber piece (250) is provided with base (266), it is connected with to rotate on base (266) and supports tight wheel (263), slide pole (262) go up and be located and be provided with between limit (261) and base (266) and support tight spring (264), a plurality of slide pole (262) keep away from sealing rubber piece (250) serve be provided with the promotion ring (265) of spout (241) adaptation.

8. The sludge reduction apparatus according to claim 7, wherein: one end of the hollow pipe (210) extending out of the sealing rubber sheet (250) is provided with oblique teeth (251) along the axial direction, the inclined teeth (251) are obliquely arranged towards one side of the sealing rubber sheet (250), the hollow pipe (210) is sleeved with a propping ring (252) used for propping the sealing rubber sheet (250) on the connecting block (245), the inner wall of the abutting ring (252) is provided with a containing groove (253) for the inclined teeth (251) to be embedded into, a through groove (254) communicated with the containing groove (253) is radially arranged on the outer wall of the abutting ring (252), an embedded rod (255) embedded between the helical teeth (251) is connected in the through groove (254) in a sliding way, a lifting block (256) is arranged at one end of the embedded rod (255) far away from the containing groove (253), the embedded rod (255) is sleeved with a limiting spring (257) of which two ends are respectively and fixedly arranged on the outer walls of the lifting block (256) and the abutting ring (252).

9. The sludge reduction apparatus according to claim 8, wherein: just be located in casing (100) conveyer belt (200) below is rotated and is connected with two hollow shafts (300), be provided with on casing (100) and be used for driving hollow shaft (300) pivoted second motor (310), be provided with spiral heliciform on hollow shaft (300) rather than inside intercommunication and be wedge-shaped cavity paddle (330), two on hollow shaft (300) cavity paddle (330) crisscross the setting, the both ends of hollow shaft (300) are provided with the second respectively and advance pipe (321) and second exit tube (322), the lateral wall of casing (100) is hollow structure, just the inside vacuole formation (130) of casing (100) lateral wall, be provided with on casing (100) with the third of cavity (130) intercommunication advances pipe (131) and third exit tube (132).

10. The sludge reduction apparatus according to claim 9, wherein: the utility model discloses a motor, including casing (100), discharge gate (120), be provided with on the casing (100) inner wall and be located discharge gate (120) department is provided with humidity transducer (410), be provided with on casing (100) inner wall with humidity transducer (410) electricity is connected in order to receive the controller (420) of signal of telecommunication, controller (420) with second motor (310) electricity is connected in order to control second motor (310) opens and stops.

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