CN116558239B - Using method of energy-saving tube bundle dryer - Google Patents
Using method of energy-saving tube bundle dryer Download PDFInfo
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- CN116558239B CN116558239B CN202310501285.6A CN202310501285A CN116558239B CN 116558239 B CN116558239 B CN 116558239B CN 202310501285 A CN202310501285 A CN 202310501285A CN 116558239 B CN116558239 B CN 116558239B
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- steam
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 257
- 239000000463 material Substances 0.000 claims abstract description 57
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 238000011084 recovery Methods 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 16
- 238000009792 diffusion process Methods 0.000 claims description 4
- 238000004064 recycling Methods 0.000 abstract description 9
- 239000006185 dispersion Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 13
- 239000002918 waste heat Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 229920002261 Corn starch Polymers 0.000 description 3
- 239000008120 corn starch Substances 0.000 description 3
- 229940099112 cornstarch Drugs 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- MFYSUUPKMDJYPF-UHFFFAOYSA-N 2-[(4-methyl-2-nitrophenyl)diazenyl]-3-oxo-n-phenylbutanamide Chemical compound C=1C=CC=CC=1NC(=O)C(C(=O)C)N=NC1=CC=C(C)C=C1[N+]([O-])=O MFYSUUPKMDJYPF-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
- F26B11/0445—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having conductive heating arrangements, e.g. heated drum wall
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
- C08B30/06—Drying; Forming
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
-
- 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
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- 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
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- 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
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/16—Chambers, containers, receptacles of simple construction mainly closed, e.g. drum
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a use method of an energy-saving tube bundle dryer, and belongs to the technical field of tube bundle dryer equipment. The utility model provides an energy-saving tube bank desiccator, includes the frame, installs electric cabinet in the frame, installs the steam generator in frame one side and installs in the frame and both ends open-ended dryer, is provided with the discharge gate on the flexible dryer, still includes: the feeding part is arranged at the front section of the frame; a moisture discharge part installed at a rear section of the frame; wherein the drying cylinder is rotatably connected between the feeding part and the wet gas discharging part; the power mechanism is arranged between the frame and the drying cylinder and used for driving the drying cylinder to rotate; the drying tube bundle assembly is arranged in the inner cavity of the drying cylinder and is connected with the air outlet end of the steam generator; according to the utility model, the drying uniformity of the material is improved, the drying efficiency is improved, and the recycling of high-temperature steam and the pre-drying function of the material are realized by controlling the reciprocating dispersion and the folding of the drying pipe.
Description
Technical Field
The utility model relates to the technical field of tube bundle dryer equipment, in particular to an energy-saving tube bundle dryer with waste heat recycling function and a using method thereof.
Background
Corn starch, commonly known as six-cereal flour, white light-yellow powder. The corn is prepared by soaking corn in 0.3% sulfurous acid, crushing, sieving, precipitating, drying, and grinding. The drying process of cornstarch is often performed using a tube bundle dryer. The tube bundle dryer comprises a shell with a feed inlet and a discharge outlet, a tube bundle is arranged in the shell, rotating shafts at two ends of the shell are connected with a frame through bearings, a power device for driving the tube bundle to rotate is further arranged, the power device drives the tube bundle to rotate in the shell, when the tube bundle dryer is used, steam and other mediums enter the tube bundle, heat is transferred to the tube bundle, and the outer wall of the tube bundle is fully contacted with materials, so that the materials are dried.
However, a large amount of tail gas is generated after the tube bundle dryer is dried, the tail gas generated in the drying process is directly discharged into the atmosphere by a fan after passing through a cyclone dust collector, and meanwhile, heat in the tail gas is discharged into the atmosphere along with the tail gas, and the large amount of heat is not fully utilized, so that great waste is caused.
In the prior art, the utility model patent with the patent application number of CN201920998265.3 discloses a tube bundle dryer, which comprises a tube bundle dryer body, a tail gas utilization assembly and a cyclone separation device; a metal baffle ring is fixed in the tail gas exhaust pipe; a filter cover is arranged above the metal baffle ring; the tail gas utilization assembly comprises a heat exchange bin and a heat exchange coil; the heat exchange bin comprises a lower bin body and an upper bin cover, and the lower bin body is connected with the upper bin cover through a flange. The utility model has simple structure and convenient operation; the tail gas utilization component mainly recycles the heat carried in the tail gas, saves resources, reduces the waste of the resources, and can be used for other working procedures of corn starch processing; the filter cover of the utility model blocks the starch discharged along with the tail gas; the heat exchange bin is convenient to detach, can clean the inside, and still has the defects:
(1) The position of the tube bundle is fixed, so that the contact uniformity with materials is poor, and the drying efficiency is reduced;
(2) The lack of a material pretreatment device is unfavorable for improving the drying efficiency of materials.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, the position of a tube bundle is fixed, so that the contact uniformity with materials is poor, and the drying efficiency is reduced;
the problem that the material pretreatment device is lack and is unfavorable for improving the drying efficiency of the material is solved, and the energy-saving tube bundle dryer with waste heat recycling is provided.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an energy-saving tube bank desiccator with waste heat is recycled, includes the frame, installs electric cabinet in the frame, installs the steam generator in frame one side and installs in the frame and both ends open-ended dry section of thick bamboo, is provided with the discharge gate on the flexible dry section of thick bamboo, still includes:
the feeding part is arranged at the front section of the frame;
a moisture discharge part installed at a rear section of the frame;
wherein,
the drying cylinder is rotatably connected between the feeding part and the wet gas discharging part;
the power mechanism is arranged between the frame and the drying cylinder and used for driving the drying cylinder to rotate;
the drying tube bundle assembly is arranged in the inner cavity of the drying cylinder and is connected with the air outlet end of the steam generator;
the tube bundle reciprocating dispersing and gathering assembly is arranged between the feeding part and the drying tube bundle assembly;
the steam recovery mechanism is connected between the air outlet end of the drying tube bundle assembly and the feeding part;
the material pre-drying mechanism is arranged in a feeding cavity of the feeding part and is communicated with the steam recovery mechanism.
Preferably, the feeding part comprises a front end cover which is arranged at the front section of the frame and is rotationally connected with the feeding end of the drying cylinder, a pre-drying box which is arranged on the front end cover and is communicated with the drying cylinder and is provided with two openings at the two ends, and a feeding hopper which is arranged at the top opening of the pre-drying box.
Preferably, the power mechanism comprises a chain-saving ring sleeved on the outer wall of the middle section of the drying cylinder, annular guide rails sleeved on the outer wall of the front section and the outer wall of the rear end of the drying cylinder respectively, driven wheels mounted on the front section and the rear section of the frame and matched with the annular guide rails, and a driving sprocket mounted on the middle section of the frame and meshed with the chain-saving ring.
Preferably, the drying tube bundle assembly comprises a front annular flow guide pipe arranged on the inner wall of the front end cover, a steam conveying pipe connected between the front annular flow guide pipe and the air outlet end of the steam generator, a front high-pressure hose uniformly arranged on one side, far away from the drying cylinder, of the front annular flow guide pipe, a rear annular flow guide pipe arranged on one side, close to the drying cylinder, of the wet gas discharge part, a rear high-pressure hose uniformly arranged on one side, close to the drying cylinder, of the rear annular flow guide pipe, and a drying pipe connected between the front high-pressure hose and the rear high-pressure hose.
Preferably, the tube bundle reciprocating dispersing and gathering assembly comprises a positioning rod fixedly mounted on the inner side wall of the front end cover and extending towards the middle of the drying cylinder, a positioning seat mounted on one end of the positioning rod in the drying cylinder, a reciprocating telescopic cylinder symmetrically mounted on the outer side wall of the positioning seat, a positioning ring mounted on the telescopic end of the reciprocating telescopic cylinder, a lantern ring symmetrically sleeved on the outer side wall of the drying cylinder and an adjusting rod movably connected between the lantern ring and the positioning ring.
Preferably, the steam recovery mechanism comprises a recovery pipe which is connected to the rear annular flow guide pipe and extends outwards, and a pre-drying coil which is connected to one end of the recovery pipe away from the rear annular flow guide pipe and is arranged in the inner cavity of the feed hopper.
Preferably, the material pre-drying mechanism comprises a positioning frame, a secondary drying coil and a reciprocating assembly, wherein the positioning frame is movably connected to the inner side wall of the pre-drying box in a staggered mode, the secondary drying coil is arranged on the inner side wall of the positioning frame, the reciprocating assembly is connected between the inner side wall of the pre-drying box and the positioning frame and driven by steam, and the reciprocating assembly is respectively communicated with the pre-drying coil and the secondary drying coil.
Preferably, the air outlet end of the secondary drying coil is connected with a condensing hose which extends outwards through the pre-drying box.
Preferably, the reciprocating assembly comprises an air cylinder movably connected to the inner side wall of the pre-drying box, a piston plate slidably connected to the air cylinder, a piston rod connected to the piston plate and extending to the outside of the air cylinder, a tension spring connected between the bottom wall of the air cylinder and the piston plate, a first communication pipe arranged between the air inlet end of the air cylinder and the pre-drying coil pipe, and a second communication pipe connected between the air outlet end of the air cylinder and the secondary drying coil pipe, wherein the telescopic end of the piston rod is movably connected with the positioning frame.
The application method of the energy-saving tube bundle dryer with waste heat recycling comprises the following steps:
s1: firstly, feeding materials to be dried into a drying cylinder through a feed hopper on a feeding part, starting a steam generator to generate high-temperature steam, then feeding the high-temperature steam into a drying tube bundle assembly through a steam conveying tube, and enabling the steam to flow out through a front annular guide tube, a front high-pressure hose, a drying tube and a rear high-pressure hose until the rear annular guide tube flows out;
s2: the material enters the drying cylinder and contacts with a drying pipe which is arranged in the drying cylinder and is filled with steam in the pipe, so that the drying function of the material is realized, and then a driving chain wheel on the power mechanism drives a chain-saving ring meshed with the drying pipe to rotate, so that the autorotation function of the cylinder body in the drying process of the drying cylinder is realized, and the drying uniformity of the drying cylinder is ensured;
s3: in the drying process of the drying cylinder, the tube bundle reciprocating dispersing and gathering assembly is started, the reciprocating telescopic cylinder is started, the distance between the positioning seat and the positioning ring is increased in the stretching process of the reciprocating telescopic cylinder, the included angle between the adjusting rod and the positioning ring is reduced, the drying tube is in a gathering state and gathered at the periphery of the positioning rod, the distance between the positioning seat and the positioning ring is reduced in the shrinking process of the reciprocating telescopic cylinder, the included angle between the adjusting rod and the positioning ring is increased, the drying tube is in a diffusion state and is dispersed at the periphery of the positioning rod, and the contact uniformity of the drying tube and materials in the drying cylinder is improved through the reciprocating gathering and dispersing of the drying tube, so that the drying efficiency is improved;
s4: in the process of drying materials by high-temperature steam of the drying pipe, the steam enters the recovery pipe through the rear annular guide pipe, and flows into a pre-drying coil pipe arranged in the feed hopper continuously to perform primary drying on the materials falling into the pre-drying box through the feed hopper;
s5: along with the increase of steam in the pre-drying coil, send into the inflator through first communicating pipe, along with the increase of the high temperature steam in the entering inflator, the pressure increases in the inflator, the extension spring stretches, the piston rod that stretches adjusts the contained angle between locating frame, and then adjust the contained angle between locating frame and the pre-drying cabinet inner wall, when the piston plate moves to the junction of second communicating pipe and inflator, the pressure reduces in the inflator, the extension spring kick-backs and contracts, realize the reset function of locating frame, the high temperature steam in the inflator is discharged to the condenser hose through the second communicating pipe, realize the heat reuse of high pressure steam, realize carrying out secondary stoving preliminary treatment to the material that falls on the secondary drying coil in the locating frame simultaneously, through the reciprocating swing of locating frame, the dwell time of material has been delayed, drying efficiency has been improved.
Compared with the prior art, the utility model provides the energy-saving tube bundle dryer with waste heat recycling, which has the following beneficial effects:
1. the energy-saving tube bundle dryer with waste heat recycling is beneficial to ensuring the drying uniformity of the drying cylinder by the power mechanism which is arranged and drives the drying cylinder to rotate.
2. This energy-saving tube bank desiccator with waste heat is recycled, through the rotation dryer cartridge and the reciprocal scattered drying tube cooperation of drawing in of setting up, improved the contact homogeneity of drying tube and interior material of dryer cartridge, improved drying efficiency, solved among the prior art tube bank position fixed, lead to the contact homogeneity poor with the material to reduce drying efficiency's problem.
3. This energy-saving tube bank desiccator with waste heat is recycled through the predrying case of setting, and its inner chamber secondary drying pipe, realizes the heat reuse of high pressure steam, realizes carrying out secondary stoving preliminary treatment to the material that falls on the interior secondary drying coil of locating frame simultaneously, has solved among the prior art lack material preprocessing device, is unfavorable for the problem that improves the drying efficiency of material.
4. According to the energy-saving tube bundle dryer with waste heat recycling, the residence time of materials is delayed through the set steam-driven reciprocating swinging positioning frame, and the pre-drying effect is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a second schematic diagram of the structure of the present utility model;
FIG. 3 is a third schematic diagram of the structure of the present utility model;
FIG. 4 is a schematic diagram of the front view structure of the present utility model;
FIG. 5 is a front view of the dryer bundle assembly and bundle reciprocal dispersion and retraction assembly of the present utility model;
FIG. 6 is a schematic diagram of the connection structure of the drying tube bundle assembly and the tube bundle reciprocating dispersing and gathering assembly according to the present utility model;
FIG. 7 is an enlarged schematic view of the portion A of FIG. 6 in accordance with the present utility model;
FIG. 8 is a schematic view of an exploded construction of a feed section of the present utility model;
FIG. 9 is a schematic view of the structure of the material pre-drying mechanism of the present utility model;
fig. 10 is a schematic structural view of the reciprocating assembly of the present utility model.
In the figure: 10. a frame; 110. an electric control box; 20. a steam generator; 30. a drying cylinder; 310. a feed section; 311. a front end cover; 312. a pre-drying box; 313. a feed hopper; 320. a moisture discharge part; 330. a power mechanism; 331. a chain-saving ring; 332. an annular guide rail; 333. driven wheel; 334. a drive sprocket; 40. a drying tube bundle assembly; 410. a front annular draft tube; 420. a steam delivery pipe; 430. a front high pressure hose; 440. a rear annular draft tube; 450. a rear high pressure hose; 460. a drying tube; 50. the tube bundle is reciprocally dispersed and folded; 510. a positioning rod; 520. a positioning seat; 530. a reciprocating telescopic cylinder; 540. a positioning ring; 550. a collar; 560. an adjusting rod; 60. a steam recovery mechanism; 610. a recovery pipe; 620. pre-drying the coil; 70. a material pre-drying mechanism; 710. a positioning frame; 720. a secondary drying coil; 730. a reciprocating assembly; 731. an air cylinder; 732. a piston plate; 733. a piston rod; 734. a first communication pipe; 735. a second communicating pipe; 736. a tension spring; 740. and (5) condensing the hose.
Description of the embodiments
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Examples
Referring to fig. 1 to 10, an energy-saving tube bundle dryer with waste heat recycling, which comprises a frame 10, an electric cabinet 110 installed on the frame 10, a steam generator 20 installed on one side of the frame 10, and a drying cylinder 30 installed on the frame 10 and having two open ends, wherein a discharge port is arranged on the telescopic drying cylinder 30, and further comprises:
a feeding part 310 installed at a front section of the frame 10;
a moisture discharging part 320 installed at the rear section of the frame 10;
wherein,
the drying drum 30 is rotatably connected between the feeding part 310 and the moisture discharging part 320;
the power mechanism 330 is installed between the frame 10 and the drying cylinder 30 and is used for driving the drying cylinder 30 to rotate;
a drying tube bundle assembly 40 installed in the inner cavity of the drying drum 30 and connected with the air outlet end of the steam generator 20;
the tube bundle reciprocating dispersion and retraction assembly 50 is arranged between the feeding part 310 and the drying tube bundle assembly 40;
a steam recovery mechanism 60 connected between the air outlet end of the drying tube bundle assembly 40 and the feed portion 310;
the material pre-drying mechanism 70 is installed in the feeding cavity of the feeding part 310 and is communicated with the steam recovery mechanism 60.
Referring to fig. 1, 2, 3 and 8, the feeding part 310 includes a front cover 311 installed at a front section of the frame 10 and rotatably coupled to a feeding end of the drying cylinder 30, a pre-drying box 312 installed on the front cover 311 and having two open ends communicating with the drying cylinder 30, and a feed hopper 313 installed at a top opening of the pre-drying box 312.
Referring to fig. 1, 2, 3 and 4, the power mechanism 330 includes a chain link 331 sleeved on the outer wall of the middle section of the drying cylinder 30, an annular guide rail 332 sleeved on the outer wall of the front section and the outer wall of the rear end of the drying cylinder 30 respectively, a driven wheel 333 mounted on the front section and the rear section of the frame 10 and matched with the annular guide rail 332, and a driving sprocket 334 mounted on the middle section of the frame 10 and meshed with the chain link 331, and the driving sprocket 334 on the power mechanism 330 drives the chain link 331 meshed with the chain link to rotate, so that the autorotation function of the cylinder body in the drying process of the drying cylinder 30 is realized, and the drying uniformity of the drying cylinder 30 is guaranteed.
Referring to fig. 5, 6 and 7, the drying tube bundle assembly 40 includes a front annular guide tube 410 installed at an inner wall of the front end cap 311, a steam transfer tube 420 connected between the front annular guide tube 410 and an air outlet end of the steam generator 20, a front high pressure hose 430 uniformly installed at a side of the front annular guide tube 410 remote from the side close to the drying drum 30, a rear annular guide tube 440 installed at a side of the wet gas discharge part 320 close to the drying drum 30, a rear high pressure hose 450 uniformly installed at a side of the rear annular guide tube 440 close to the drying drum 30, and a drying tube 460 connected between the front high pressure hose 430 and the rear high pressure hose 450, and supplies the material to be dried into the drying drum 30 through a feed hopper 313 on the feed part 310 while turning on the steam generator 20 to generate high temperature steam, and then supplies the drying tube bundle assembly 40 through the front annular guide tube 410, the drying tube 460, the rear high pressure hose 450 until the rear annular guide tube 440 flows out, and the material is brought into contact with the drying tube 460 filled with the steam placed in the drying drum 30, thereby realizing a drying function of the material.
Referring to fig. 5, 6 and 7, the tube bundle reciprocating dispersing and gathering assembly 50 includes a positioning rod 510 fixedly installed on an inner side wall of the front end cap 311 and extending toward a middle portion of the drying cylinder 30, a positioning seat 520 installed at one end of the positioning rod 510 disposed in the drying cylinder 30, a reciprocating telescopic cylinder 530 symmetrically installed on an outer side wall of the positioning seat 520, a positioning ring 540 installed at a telescopic end of the reciprocating telescopic cylinder 530, a collar 550 symmetrically sleeved on an outer side wall of the drying tube 460, and an adjusting rod 560 movably connected between the collar 550 and the positioning ring 540, in a drying process of the drying cylinder 30, the tube bundle reciprocating dispersing and gathering assembly 50 is opened, the reciprocating telescopic cylinder 530 is opened, in a process of extending the reciprocating telescopic cylinder 530, an included angle between the positioning seat 520 and the positioning ring 540 is increased, the drying tube 460 is in a gathering state, in a periphery of the positioning rod 510, in a process of contracting the reciprocating telescopic cylinder 530, the distance between the positioning seat 520 and the positioning ring 540 is reduced, the included angle between the adjusting rod 560 and the positioning ring 540 is increased, the drying tube 460 is in a diffusion state, in a periphery of the positioning rod 510, and in a drying process of dispersing, the periphery of the drying tube 460 is dispersed, and the drying efficiency is improved, and the drying material is uniformly gathered and the drying material is uniformly in the drying cylinder 30.
Referring to fig. 1, 2 and 3, the steam recovery mechanism 60 includes a recovery pipe 610 connected to the rear annular draft tube 440 and extending outwardly, and a pre-drying coil 620 connected to an end of the recovery pipe 610 remote from the rear annular draft tube 440 and installed in the inner cavity of the feed hopper 313, and during drying of the material, high temperature steam passing through the drying pipe 460 enters the recovery pipe 610 through the rear annular draft tube 440 and, by continuing to flow into the pre-drying coil 620 disposed in the feed hopper 313, primarily dries the material falling into the pre-drying box 312 through the feed hopper 313.
Referring to fig. 8 and 9, the material pre-drying mechanism 70 includes a positioning frame 710 movably connected to the inner side wall of the pre-drying cabinet 312 in a staggered manner, a secondary drying coil 720 installed on the inner side wall of the positioning frame 710, and a steam-driven reciprocating assembly 730 connected between the inner side wall of the pre-drying cabinet 312 and the positioning frame 710, wherein the reciprocating assembly 730 is respectively communicated with the pre-drying coil 620 and the secondary drying coil 720.
Referring to fig. 9, and the outlet end of secondary drying coil 720 is connected to a condenser hose 740 that extends outwardly through pre-drying oven 312.
Referring to fig. 9 and 10, the reciprocation assembly 730 includes an air cylinder 731 movably connected to an inner side wall of the pre-drying chamber 312, a piston plate 732 slidably connected to the air cylinder 731, a piston rod 733 connected to the piston plate 732 and extending to an outside of the air cylinder 731, a tension spring 736 connected between a bottom wall of the air cylinder 731 and the piston plate 732, a first communication pipe 734 installed between an air inlet end of the air cylinder 731 and the pre-drying coil 620, and a second communication pipe 735 connected between an air outlet end of the air cylinder 731 and the secondary drying coil 720, a telescopic end of the piston rod 733 is movably connected to the positioning frame 710, as the vapor in the pre-drying coil 620 increases, the air cylinder 731 is fed into the air cylinder 731 through the first communication pipe 734, as the high-temperature vapor entering the air cylinder 731 increases, a tension spring 736 stretches, the piston rod 733 adjusts an included angle with the positioning frame 710, and then adjusts an included angle between the positioning frame 710 and an inner wall of the pre-drying chamber 312 until the piston plate 732 moves to a connection point between the second communication pipe 735 and the air cylinder 731, the tension spring 731 is reduced, and the air spring 731 is contracted, the high-temperature 731 is recovered, the high-temperature vapor is discharged from the air cylinder 731 through the second communication pipe, and the high-temperature vapor is cooled down, and the high-temperature vapor is condensed in the drying tube is again, and the material is dried by the high-temperature and the high-temperature vapor is reciprocally positioned in the positioning frame, and the drying frame is more efficiently and dried, and the material is dried by the high temperature and is positioned, and the high temperature and is reciprocally and stable.
Firstly, feeding materials to be dried into a drying cylinder 30 through a feeding hopper 313 on a feeding part 310, simultaneously starting a steam generator 20 to generate high-temperature steam, then feeding the high-temperature steam into a drying tube bundle assembly 40 through a steam conveying pipe 420, and enabling the steam to flow out through a front annular flow guide pipe 410, a front high-pressure hose 430, a drying pipe 460 and a rear high-pressure hose 450 until the rear annular flow guide pipe 440;
the material enters the drying cylinder 30 and contacts with a drying pipe 460 which is arranged in the drying cylinder 30 and is filled with steam in the pipe, so that the drying function of the material is realized, and then a driving chain wheel 334 on a power mechanism 330 drives a chain-saving ring 331 meshed with the drying pipe to rotate, so that the autorotation function of the cylinder body in the drying process of the drying cylinder 30 is realized, and the drying uniformity of the drying cylinder 30 is ensured;
in the drying process of the drying cylinder 30, the tube bundle reciprocating dispersing and gathering assembly 50 is started, the reciprocating telescopic cylinder 530 is started, the distance between the positioning seat 520 and the positioning ring 540 is increased in the stretching process of the reciprocating telescopic cylinder 530, the included angle between the adjusting rod 560 and the positioning ring 540 is reduced, the drying tube 460 is in a gathering state and gathered at the periphery of the positioning rod 510, the distance between the positioning seat 520 and the positioning ring 540 is reduced in the shrinking process of the reciprocating telescopic cylinder 530, the included angle between the adjusting rod 560 and the positioning ring 540 is increased, the drying tube 460 is in a diffusion state and is dispersed at the periphery of the positioning rod 510, and the contact uniformity of the drying tube 460 and materials in the drying cylinder 30 is improved through the reciprocating gathering and dispersing of the drying tube 460, so that the drying efficiency is improved;
during the drying process of the materials, the high-temperature steam passing through the drying pipe 460 enters the recovery pipe 610 through the rear annular guide pipe 440, and the materials falling into the pre-drying box 312 through the feeding hopper 313 are primarily dried by continuing to flow into the pre-drying coil 620 arranged in the feeding hopper 313;
along with the increase of steam in the pre-drying coil 620, the steam is sent into the air cylinder 731 through the first communication pipe 734, along with the increase of high-temperature steam in the air cylinder 731, the pressure in the air cylinder 731 is increased, the tension spring 736 stretches, the piston rod 733 stretches, the stretched piston rod 733 adjusts the included angle between the positioning frame 710, and then the included angle between the positioning frame 710 and the inner wall of the pre-drying box 312 is adjusted, until the piston plate 732 moves to the joint of the second communication pipe 735 and the air cylinder 731, the tension spring 736 rebounds and contracts, the reset function of the positioning frame 710 is realized, the high-temperature steam in the air cylinder 731 is discharged into the condensing hose 740 through the second communication pipe 735, the heat recycling of the high-pressure steam is realized, the secondary drying pretreatment is realized on the material falling on the secondary drying coil 720 in the positioning frame 710, the reciprocating swing of the positioning frame 710 is delayed, the retention time of the material is prolonged, and the drying efficiency is improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (3)
1. The utility model provides an energy-saving tube bank desiccator, includes frame (10), installs electric cabinet (110) on frame (10), installs steam generator (20) on one side of frame (10) and installs on frame (10) and both ends open-ended drying cylinder (30), is provided with the discharge gate on flexible drying cylinder (30), its characterized in that still includes:
a feeding part (310) arranged at the front section of the frame (10);
a moisture discharge part (320) installed at the rear section of the frame (10);
wherein,
the drying cylinder (30) is rotatably connected between the feeding part (310) and the wet gas discharging part (320);
the power mechanism (330) is arranged between the frame (10) and the drying cylinder (30) and is used for driving the drying cylinder (30) to rotate;
the drying tube bundle assembly (40) is arranged in the inner cavity of the drying cylinder (30) and is connected with the air outlet end of the steam generator (20);
the tube bundle reciprocating dispersing and gathering assembly (50) is arranged between the feeding part (310) and the drying tube bundle assembly (40);
the steam recovery mechanism (60) is connected between the air outlet end of the drying tube bundle assembly (40) and the feeding part (310);
a material pre-drying mechanism (70) which is arranged in a feeding cavity of the feeding part (310) and is communicated with the steam recovery mechanism (60);
the feeding part (310) comprises a front end cover (311) which is arranged at the front section of the frame (10) and is rotationally connected with the feeding end of the drying cylinder (30), a pre-drying box (312) which is arranged on the front end cover (311) and is communicated with the drying cylinder (30) and is provided with two open ends, and a feed hopper (313) which is arranged at the top of the pre-drying box (312) and is provided with an opening;
the drying tube bundle assembly (40) comprises a front annular flow guide pipe (410) arranged on the inner wall of the front end cover (311), a steam conveying pipe (420) connected between the front annular flow guide pipe (410) and the air outlet end of the steam generator (20), a front high-pressure hose (430) uniformly arranged on one side of the front annular flow guide pipe (410) far away from a drying cylinder (30), a rear annular flow guide pipe (440) arranged on one side of the moisture discharge part (320) near the drying cylinder (30), a rear high-pressure hose (450) uniformly arranged on one side of the rear annular flow guide pipe (440) near the drying cylinder (30), and a drying pipe (460) connected between the front high-pressure hose (430) and the rear high-pressure hose (450);
the tube bundle reciprocating dispersing and gathering assembly (50) comprises a positioning rod (510) fixedly arranged on the inner side wall of a front end cover (311) and extending towards the middle of a drying cylinder (30), a positioning seat (520) arranged at one end of the positioning rod (510) in the drying cylinder (30), a reciprocating telescopic cylinder (530) symmetrically arranged on the outer side wall of the positioning seat (520), a positioning ring (540) arranged at the telescopic end of the reciprocating telescopic cylinder (530), a lantern ring (550) symmetrically sleeved on the outer side wall of the drying tube (460) and an adjusting rod (560) movably connected between the lantern ring (550) and the positioning ring (540);
the steam recovery mechanism (60) comprises a recovery pipe (610) which is connected to the rear annular flow guide pipe (440) and extends outwards, and a pre-drying coil pipe (620) which is connected to one end of the recovery pipe (610) far away from the rear annular flow guide pipe (440) and is arranged in the inner cavity of the feed hopper (313);
the material pre-drying mechanism (70) comprises a positioning frame (710) which is movably connected to the inner side wall of the pre-drying box (312) in a staggered manner, a secondary drying coil (720) which is arranged on the inner side wall of the positioning frame (710), and a steam-driven reciprocating assembly (730) which is connected between the inner side wall of the pre-drying box (312) and the positioning frame (710), wherein the reciprocating assembly (730) is respectively communicated with the pre-drying coil (620) and the secondary drying coil (720);
the power mechanism (330) comprises a joint chain ring (331) sleeved on the outer wall of the middle section of the drying cylinder (30), annular guide rails (332) sleeved on the outer wall of the front section and the outer wall of the rear end of the drying cylinder (30), driven wheels (333) mounted on the front section and the rear section of the frame (10) and matched with the annular guide rails (332), and a driving chain wheel (334) mounted on the middle section of the frame (10) and meshed with the joint chain ring (331);
and the air outlet end of the secondary drying coil (720) is connected with a condensing hose (740) which extends outwards through the pre-drying box (312).
2. The energy-saving tube bundle dryer according to claim 1, wherein the reciprocating assembly (730) comprises an air cylinder (731) movably connected to the inner side wall of the pre-drying oven (312), a piston plate (732) slidably connected to the air cylinder (731), a piston rod (733) connected to the piston plate (732) and extending to the outside of the air cylinder (731), a tension spring (736) connected between the bottom wall of the air cylinder (731) and the piston plate (732), a first communication pipe (734) installed between the air inlet end of the air cylinder (731) and the pre-drying coil (620), and a second communication pipe (735) connected between the air outlet end of the air cylinder (731) and the secondary drying coil (720), and the telescopic end of the piston rod (733) is movably connected to the positioning frame (710).
3. The method of using an energy efficient tube bundle dryer according to claim 2, comprising the steps of:
s1: firstly, feeding materials to be dried into a drying cylinder (30) through a feed hopper (313) on a feeding part (310), simultaneously starting a steam generator (20) to generate high-temperature steam, then feeding the high-temperature steam into a drying tube bundle assembly (40) through a steam conveying pipe (420), and enabling the steam to flow out through a front annular guide pipe (410), a front high-pressure hose (430), a drying pipe (460) and a rear high-pressure hose (450) until a rear annular guide pipe (440);
s2: the material enters the drying cylinder (30) and contacts with a drying pipe (460) which is arranged in the drying cylinder (30) and is filled with steam in the pipe, so that the drying function of the material is realized, and then a driving chain wheel (334) on a power mechanism (330) drives a chain-saving ring (331) meshed with the drying pipe to rotate, so that the autorotation function of the cylinder body in the drying process of the drying cylinder (30) is realized, and the drying uniformity of the drying cylinder (30) is guaranteed;
s3: in the drying process of the drying cylinder (30), the tube bundle reciprocating dispersing and gathering assembly (50) is started, the reciprocating telescopic cylinder (530) is started, in the stretching process of the reciprocating telescopic cylinder (530), the distance between the positioning seat (520) and the positioning ring (540) is increased, the included angle between the adjusting rod (560) and the positioning ring (540) is reduced, the drying tube (460) is in a gathering state and gathered at the periphery of the positioning rod (510), in the shrinking process of the reciprocating telescopic cylinder (530), the distance between the positioning seat (520) and the positioning ring (540) is reduced, the included angle between the adjusting rod (560) and the positioning ring (540) is increased, the drying tube (460) is in a diffusion state and is dispersed at the periphery of the positioning rod (510), and the contact uniformity of the drying tube (460) and materials in the drying cylinder (30) is improved through the reciprocating gathering and dispersing of the drying tube (460), and the drying efficiency is improved;
s4: in the process of drying materials, the high-temperature steam passing through the drying pipe (460) enters the recovery pipe (610) through the rear annular flow guide pipe (440), and flows into the pre-drying coil (620) arranged in the feed hopper (313) continuously to perform primary drying on the materials falling into the pre-drying box (312) through the feed hopper (313);
s5: along with the increase of steam in the pre-drying coil pipe (620), send into in the inflator (731) through first communication pipe (734), along with the increase of the high temperature steam in entering inflator (731), the pressure in inflator (731) increases, extension spring (736) is tensile, piston rod (733) stretches, contained angle between the contained angle regulation and locating box (710) of piston rod (733) that stretches, and then the contained angle between locating box (710) and the inner wall of pre-drying box (312) is adjusted, when piston plate (732) moves to the junction of second communication pipe (735) and inflator (731), the pressure in inflator (731) reduces, extension spring (736) resilience contracts, realize the reset function of locating box (710), the high temperature steam in inflator (731) is discharged to in condenser hose (740) through second communication pipe (735), realize the heat reuse of high pressure steam, realize carrying out the secondary stoving preliminary treatment to the material that falls on secondary drying coil pipe (720) in locating box (710) simultaneously, through the swing of locating box (710), the dwell time of material has been improved.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310501285.6A CN116558239B (en) | 2022-09-19 | 2022-09-19 | Using method of energy-saving tube bundle dryer |
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| CN202310501285.6A CN116558239B (en) | 2022-09-19 | 2022-09-19 | Using method of energy-saving tube bundle dryer |
| CN202211134821.5A CN115451664B (en) | 2022-09-19 | 2022-09-19 | Energy-saving tube bundle dryer with waste heat recycling function and using method thereof |
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| CN202310501285.6A Active CN116558239B (en) | 2022-09-19 | 2022-09-19 | Using method of energy-saving tube bundle dryer |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN116558239A (en) | 2023-08-08 |
| CN115451664A (en) | 2022-12-09 |
| CN115451664B (en) | 2023-05-30 |
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