CN108691233B - Assembled hot steam dryer - Google Patents
Assembled hot steam dryer Download PDFInfo
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- CN108691233B CN108691233B CN201810456783.2A CN201810456783A CN108691233B CN 108691233 B CN108691233 B CN 108691233B CN 201810456783 A CN201810456783 A CN 201810456783A CN 108691233 B CN108691233 B CN 108691233B
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- 238000010438 heat treatment Methods 0.000 claims abstract description 104
- 238000001035 drying Methods 0.000 claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- 238000007599 discharging Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims 1
- 239000002918 waste heat Substances 0.000 abstract description 4
- 238000004043 dyeing Methods 0.000 abstract description 3
- 239000004745 nonwoven fabric Substances 0.000 abstract description 3
- 238000007639 printing Methods 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000009987 spinning Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/02—Drying on cylinders
- D21F5/022—Heating the cylinders
- D21F5/028—Heating the cylinders using steam
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/02—Drying on cylinders
- D21F5/021—Construction of the cylinders
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/20—Waste heat recovery
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses an assembled hot air dryer and an application thereof in a waste heat utilization system, and belongs to the technical field of drying of papermaking, spinning, printing and dyeing and non-woven fabrics. Since the efficiency of a large diameter dryer is much higher than the efficiency of a series connection of small diameter dryers, large diameter dryers can be used in the drying process of many products. The large-diameter hot steam drying cylinder is limited by road transportation and needs to be designed into an assembled hot steam drying cylinder. Comprises N independent heating bodies and three sleeves. The three sleeves consist of an outer sleeve, a middle sleeve and a core tube. The independent heating body is formed by equally dividing the whole drying cylinder along the peripheral surface. The assembly type solar heat collector has the advantages of exquisite structure, low cost, high heat energy utilization rate and the like. The assembled hot-steam drying cylinder is applied to a drying cylinder self-circulation system, so that the waste heat utilization of high-temperature, high-humidity and high-latent heat micro-pressure hot steam is possible.
Description
Technical Field
The invention relates to an assembled hot steam drying cylinder, and belongs to the technical field of drying of papermaking, textile, printing and dyeing and non-woven fabrics.
Background
The dryer is a key component used for drying products in the drying operation of paper making, textile, printing and dyeing and non-woven fabrics, and is used for drying moisture in the products and finishing paper surfaces. At present, a steam drying cylinder is basically adopted in the market, and is a pressure container and controlled by the pressure container. The rotary joint of the steam dryer only needs to consider the inlet of steam and the outlet of condensed water. After the steam is sent into the drying cylinder, the steam is uniformly mixed with the original steam in the drying cylinder to work together, and no special structure exists. Condensed water is mainly concentrated at the bottom of the drying cylinder, and is discharged outside the drying cylinder through a rotary joint by using a siphon pipe and the pressure of internal steam. Even if condensate forms a water ring at high rotational speeds, there are mature techniques to reject condensate. The steam drying cylinder has only a drainage function and has no steam (steam) drainage function, so that the heat energy utilization rate of the steam drying cylinder is low, the utilization of high-temperature, high-humidity and high-latent heat micro-pressure hot steam is limited, the wall thickness and the weight of the steam drying cylinder are large, the heat transfer is slow, and the manufacturing cost is high.
Disclosure of Invention
The invention aims to solve the technical problem of providing an assembled hot steam drying cylinder aiming at the defects of the prior art, and improves the heat efficiency while reducing the cost.
In order to solve the technical problems, the invention provides an assembled hot steam drying cylinder, the surface of which is of a round roller heating body structure, and the assembled hot steam drying cylinder is characterized by comprising N independent heating bodies and three sleeves; the independent heating bodies are provided with heating surfaces with arc curved surfaces, the opposite surfaces of the heating surfaces are bottom plates, a closed heating body is formed by the bottom plates and the side plates, and the heating surfaces of the N independent heating bodies are combined into the circumferential surface of a complete round roller-shaped heating body; after the N independent heating bodies are combined, the bottom plate of the independent heating body surrounds an inner cavity in the assembled hot steam drying cylinder;
the cross section of the inner cavity is circular, and is N-shaped in consideration of convenience in processing.
The inside of the independent heating body is provided with a steam inlet pipe, a steam exhaust pipe and a condensed water exhaust pipe along the whole width of the busbar direction of the assembled hot steam drying cylinder, the steam inlet pipe is provided with a hot steam port, the steam exhaust pipe is provided with a steam return port, and the condensed water exhaust pipe is provided with a condensed water collecting port;
the three sleeves are formed by sleeving an outer sleeve, a middle sleeve and a core tube from outside to inside in a coaxial manner; the three sleeves extend into the inner cavity of the assembled hot steam drying cylinder for one section and extend out of the inner cavity for one section; the parts of the outer sleeve, the middle sleeve and the core tube, which extend out of the inner cavity, are respectively connected with the outer end connector, the steam exhaust port and the condensed water discharge port through rotary joints, so that the three sleeves rotate along with the drying cylinder, the external connection port, the steam exhaust port and the condensed water discharge port do not rotate, and the connection of the external connection port, the steam exhaust port and the condensed water discharge port respectively arranged on the outer sleeve, the middle sleeve and the core tube with an external pipeline in the rotation of the drying cylinder is realized;
three sleeves positioned at the inner cavity part, wherein the outer sleeve is divided into N steam inlet branch pipes which are respectively connected with the steam inlet pipes in the N independent heating bodies; the middle sleeve pipe is divided into N steam exhaust branch pipes which are respectively connected with steam exhaust pipes in N independent heating bodies; the core pipe is divided into N condensed water discharge branch pipes which are respectively connected with condensed water discharge pipes in N independent heating bodies;
the hot steam port is a row of small holes or long slits arranged on the pipe wall of the steam inlet pipe.
The steam return port is a row of small holes or long slits arranged along the pipe wall of the steam exhaust pipe.
The condensed water collecting port is a row of small holes or long slits arranged along the pipe wall of the condensed water discharging pipe.
The condensate water discharging branch pipe is provided with an automatic control valve, the automatic control valve controls the condensate water discharging branch pipe to be opened and closed when the independent hot steam drying cylinder runs to the bottom, and the automatic control valve is normally closed in the rest.
Steam inlet guide plates are arranged on two sides of the hot steam port 111.
Steam exhaust guide plates are arranged on two sides of the steam return opening 121.
The inner side of the independent heating body is provided with a groove or a radiating fin.
And an insulating layer is arranged in a non-heating area of the assembled hot steam drying cylinder.
The inside of the independent heating body is provided with an arc-shaped guide plate, the arc-shaped guide plate is provided with an arc-shaped curved surface, and the arc-shaped curved surface is coaxial with the arc-shaped surface of the independent heating body.
The assembled hot steam drying cylinder is characterized in that the number of N independent heating bodies is equal to the number of the N independent heating bodies according to the external dimension, and the number of the N independent heating bodies can meet the requirement of highway transportation.
The self-circulation drying system comprises an assembled hot steam drying cylinder, a first heat exchanger, a second heat exchanger, a first fan, a second fan and a heating gas hood; the external heat source heats hot steam (air at the beginning) extracted by the first fan through the first heat exchanger, the obtained heated hot steam is sent into the assembled hot steam drying cylinder, and the whole hot steam drying cylinder dries materials; the hot air from the exhaust port of the assembled hot air dryer is sent into the second heat exchanger for heating the air sent by the second fan of the cup, dry hot air is formed and sent into the heating air hood for carrying out enhanced drying on the materials, and the generated steam and the steam generated by the drying materials of the assembled hot air dryer are collected by the heating air hood together with the hot air, and then circulate through the first fan and enter the first heat exchanger, thus the circulation is carried out.
The beneficial effects are that: the assembled hot steam drying cylinder is a non-pressure container (a common steam drying cylinder is a pressure container), and has the advantages of exquisite structure, low manufacturing cost, high heat energy utilization rate and the like; the high-temperature, high-humidity and high-latent heat micro-pressure waste heat is used as a heat source, so that the waste heat utilization of the high-temperature, high-humidity and high-latent heat micro-pressure hot steam is possible, and the energy-saving effect is very obvious; meanwhile, due to the adoption of the assembled structure of the N independent heating bodies, the large-size hot steam drying cylinder is more convenient to process one by one during processing, and is convenient to transport due to the fact that the N independent heating bodies are separated into the plurality of independent heating bodies during transportation.
Drawings
FIG. 1 is a schematic perspective view of an assembled hot gas dryer in the practice of the present invention;
FIG. 2 is a schematic perspective view of an assembled hot air dryer with 5 independent heating bodies removed in the implementation of the invention;
FIG. 3 is an axial schematic view of an assembled hot gas dryer in the practice of the present invention;
FIG. 4 is a schematic cross-sectional view of an assembled hot gas dryer in the direction of a bus bar in an embodiment of the present invention;
FIG. 5 is an enlarged schematic view of portion A of FIG. 4 in accordance with the present invention;
FIG. 6 is an enlarged schematic view of portion B of FIG. 4 in accordance with the present invention;
FIG. 7 is an enlarged schematic view of portion C of FIG. 4 in accordance with the present invention;
FIG. 8 is a schematic illustration of a condensate removal pipe embodying the present invention;
in the figure: 1-independent heating body, 2-three sleeves, 21-outer sleeve, 22-middle sleeve, 23-core tube, 11-steam inlet pipe, 212-steam inlet branch pipe, 111-hot steam port, 12-steam exhaust pipe, 222-steam exhaust branch pipe, 121-steam return port, 13-condensate water discharge pipe, 131-condensate water collection port, 232-condensate water discharge branch pipe, 211-external connection port, 221-steam exhaust port, 231-condensate water discharge port, 14-steam inlet guide plate, 15-steam exhaust guide plate, 5-self-control valve, 3-transmission gear, 4-spoke, 17-positioning connection device, 6-bearing, 7-inner cavity, 16-arc guide plate, 18-heating surface and 19-bottom plate. 213 214, 223, 224, 233-swivel.
FIG. 9 is a schematic diagram of the assembled hot gas dryer of the present invention applied to a monocylinder self-circulating drying system;
in the figure: 901-assembled hot-steam dryer, 902-first heat exchanger, 903-second heat exchanger, 904-first fan, 905-second fan, 906-heating hood.
FIG. 10 is a schematic diagram of the assembled hot-air dryer of the present invention applied to a multi-dryer self-circulation drying system;
in the figure: 1001-assembled hot-steam dryer, 1002-first heat exchanger, 1003-second heat exchanger, 1004-first fan, 1005-second fan, 1006-heating hood.
Description of the embodiments
The present invention will be described in further detail with reference to the accompanying drawings, wherein the technology or product not specified in the examples is conventional in the art or available commercially.
Example 1 assembled Hot vapor dryer Structure and Process
As shown in fig. 1-8, the assembled hot steam drying cylinder is of a round roller heating body structure and comprises 6 independent heating bodies 1 and three sleeves 2; the independent heating body 1 is provided with a heating surface 16 with an arc curved surface, the opposite surface of the heating surface is a bottom plate 19, a closed heating body is formed by the bottom plate and a side plate, and the heating surfaces of 6 independent heating bodies are combined into a complete circumferential surface of a round roller-shaped heating body; after the 6 independent heating bodies are combined, the bottom plate 19 of the independent heating body surrounds an inner cavity 7 in the assembled hot steam drying cylinder, and the cross section of the inner cavity is in a positive 6-sided shape;
in another specific embodiment, the bottom plate of the independent heating body is a circular arc curved surface coaxial with the heating surface, and the section of the inner cavity surrounded by the bottom plate is circular;
the inside of the independent heating body is provided with a steam inlet pipe 11, a steam exhaust pipe 12 and a condensate water discharge pipe 13 along the whole width of the busbar direction of the assembled hot steam drying cylinder, the steam inlet pipe is provided with a hot steam port, the steam exhaust pipe is provided with a steam return port, the condensate water discharge pipe is provided with a condensate water collecting port, and the condensate water collecting port is particularly an opening on the side wall of the condensate water discharge pipe; the three sleeves 2 are formed by coaxially sleeving an outer sleeve 21, a middle sleeve 22 and a core tube 23 from outside to inside; the three sleeves extend into the inner cavity of the assembled hot steam drying cylinder for one section and extend out of the inner cavity for one section; the part of the outer sleeve 21 extending out of the inner cavity is connected with an outer end joint 211 through a rotary joint 213, the part of the middle sleeve 22 extending out of the inner cavity is connected with a steam exhaust port 221 through a rotary joint 223, the part of the core tube 23 extending out of the inner cavity is connected with a condensate water exhaust port 231 through a rotary joint 233, the three sleeves are guaranteed to rotate along with the drying cylinder, the external ports, the steam exhaust port and the condensate water exhaust port are not rotated, the connection of the external ports 211, the steam exhaust port 221 and the condensate water exhaust port 231 respectively arranged on the outer sleeve 21, the core tube 23 and an external pipeline is realized, and meanwhile, the rotary joint 214 is arranged at the part of the middle sleeve 22 extending out of the outer sleeve 21 to play a role in rotation and sealing, and the rotary joint 224 is arranged at the part of the core tube 23 extending out of the middle sleeve 22 to play a role in rotation and sealing; the type and the size of the rotary joint are selected according to the specific size, which belongs to the known technology and is not repeated;
three sleeves 2 positioned at the inner cavity 7, wherein 6 steam inlet branch pipes 212 of the outer sleeve 21 are respectively connected with steam inlet pipes 11 in 6 independent heating bodies; the middle sleeve 22 is divided into 6 exhaust branch pipes 222 which are respectively connected with the exhaust pipes 12 in the 6 independent heating bodies; the 6 condensate water discharge branch pipes 232 separated from the core pipe 23 are respectively connected with the condensate water discharge pipes 13 in the 6 independent heating bodies;
along a row of small holes, called hot steam ports 111 (see fig. 6), provided in the wall of the steam inlet pipe 11 in the separate heating body.
In another embodiment, the hot steam port 111 is provided as a long slit.
The holes or the long slits are convenient for diffusing the hot steam, and the specific shape is not particularly limited, and the holes or the long slits are all openings designed according to the fluid mechanics principle and capable of uniformly distributing the hot steam. Based on the fluid mechanics principle and practical experience, the ratio of the total area of the small holes or the long seams to the channel area of the steam inlet branch pipe 212 is in the range of 20-100%, and the uniform introduction of the hot steam into the hot steam drying cylinder can be ensured. The steam inlet guide plates 14 are arranged on two sides of the hot steam port 111 and guide the hot steam to be uniformly conveyed to the inner side of the heating surface 18 of the independent heating body 1 in full width.
A row of small holes, called steam return ports, are formed in the wall of the steam exhaust pipe 12 in the independent heating body.
In another embodiment, the return port is provided as a long slit.
The holes or the long slits are convenient for diffusing the hot steam, and the specific shape is not particularly limited, and the holes or the long slits are all openings designed according to the fluid mechanics principle and capable of uniformly distributing the hot steam. Typically, the steam return port 121 is a row of small hole long seams, so that the cooled hot steam is conveniently conveyed to the steam exhaust pipe (35) to be exhausted. The ratio of the total area of the small holes or long slits of the steam return port 121 to the passage area of the steam exhaust branch pipe 222 is in the range of 20-100%, ensuring that the steam exhaust can be uniformly exhausted out of the hot steam drying cylinder. Steam exhaust guide plates 15 are arranged on two sides of the steam return opening 121 and guide the cooled hot steam to enter the steam exhaust pipe 12 uniformly in full width.
A row of small holes or slits along the wall of the condensate drain tube is referred to as condensate collection port 131 (fig. 8).
An arc-shaped guide plate 16 is arranged inside the independent heating body, the arc-shaped guide plate 16 is provided with an arc-shaped curved surface, the arc-shaped curved surface is coaxial with the arc-shaped surface of the independent heating body, one end of the arc-shaped guide plate 16 is connected with a steam inlet guide plate 14, and the other end is connected with a steam exhaust guide plate 15.
An automatic control valve 5 is arranged on the condensate water discharge branch pipe 232, the automatic control valve controls the condensate water discharge branch pipe to be opened and closed when the independent hot steam drying cylinder runs to the bottom, and the automatic control valve 5 is opened and closed in the rest. Wherein the self-control valve 5 is in particular a gravity control valve.
In another embodiment, other control modes are adopted to realize the function of automatically opening the self-control valve when the independent hot steam drying cylinder moves to the bottom, and the specific implementation mode is a known application technology.
And heat insulation layers are arranged on the two sides of the assembled hot steam drying cylinder and the wall of the inner cavity 7.
The six independent heating bodies are required to be accurately connected and positioned, so that the precision of reassembling after disassembling and maintaining the assembled hot steam drying cylinder is ensured.
Grooves are arranged on the inner sides of the heating surfaces of the independent heating bodies so as to enlarge the heat transfer area and improve the heat transfer efficiency. In another embodiment, other structures, such as heat sinks, are provided inside the heating surface of the independent heating body to facilitate the increase of the heat generating area.
And heat insulation layers are arranged on the two sides of the hot steam drying cylinder and the bottom plate of the independent heating body, so that unnecessary heat dissipation is reduced.
The transmission gear 3 is arranged on the part of the outer sleeve 21 extending out of the inner cavity 7, and external power drives the whole assembled dryer to rotate through the transmission gear 3, but the outer end joint 211, the steam exhaust port 221 and the condensate water exhaust port 231 do not rotate along with the rotation due to the rotary joint.
When the invention is used, hot steam enters the steam inlet pipe 11 in the independent heating body 1 from the external connection port 211 along the steam inlet branch pipe 212, is released through the hot steam port 111 on the steam inlet pipe 11, flows along the steam inlet guide plate 14, is uniformly distributed in the independent heating body 1 along the inner side of the heating surface 18 under the guidance of the arc guide plate 16 concentric with the cylinder surface, and exchanges heat with the heating surface 18 to heat and evaporate the articles to be heated and dried on the outer wall surface of the cylinder body; most of water vapor in the hot vapor after heat exchange is condensed into water; the residual steam and the cooled air flow to the outer wall of the steam exhaust pipe under the guidance of the steam exhaust guide plate 15, enter the steam exhaust branch pipe 222 through the steam return port 121, finally are exhausted out of the cylinder through the steam exhaust port 221, when the independent heating bodies are operated to the vicinity of the bottom, the condensed water can be concentrated to the bottom, when each independent heating body is operated to the vicinity of the bottom, the self-control valve 5 is opened, and the condensed water is extracted.
In other specific embodiments, the number of the independent heating bodies is not limited to 6, the number of the independent heating bodies can meet the requirement of highway transportation according to the external dimension, and the comprehensive consideration of the processing convenience degree is that the number of the independent heating bodies divided by the assembled hot-steam drying cylinder is determined, and the number of the independent heating bodies corresponds to the number of the steam inlet branch pipes, the steam outlet branch pipes and the condensed water outlet branch pipes divided by the three sleeves. The basic structure and the working process of the assembled hot-steam dryer with other numbers of independent heating bodies are the same as those of the assembled hot-steam dryer with 6 independent heating bodies, and the description thereof is omitted.
Example 2 assembled dryer is applied to dryer self-circulation drying system
As shown in fig. 9, the single cylinder self-circulation drying system includes an assembled hot steam cylinder 901, a first heat exchanger 902, a second heat exchanger 903, a first fan 904, a second fan 905, and a heating unitA gas cap 906; the external heat source heats hot steam (initially air) extracted by a first fan 904 through a first heat exchanger 902, the obtained heated hot steam is sent into an assembled hot steam dryer 901, and the whole hot steam dryer 901 dries materials; the hot air from the exhaust port of the assembled hot air dryer 901 is sent to the second heat exchanger 903 for heating the air sent by the second fan 905 of the cup, the hot air is formed and sent to the heating hood 6 for drying the materials, the generated steam and the steam generated by the drying materials of the assembled hot air dryer 1 are collected by the heating hood 906 together with the hot air and then circulated into the first heat exchanger 902 through the first fan 904, thus the circulation is carried out, the wet paper sheet mainly consumes energy only in the heating and heating process of the hot air discharged by the hot air hood in the continuous drying process, the heat specific volume of the hot air is small, and the heat specific volume of the dry air is only 1.013 KJ/Kg. 0 C, the specific heat capacity of the water vapor is only 2.0934 KJ/Kg 0 C. And 100. Ang. Of o The evaporation energy consumption of C water is 2256.6 KJ/Kg,20 o C water is heated to 100 o The energy consumption of C is 334.944 KJ/Kg, and the energy-saving effect is obvious. The drying system only needs to supplement the heat efficiency loss of the whole system except for supplementing a small amount of heat steam to raise the temperature. The first fan 904 and the second fan 905 are high temperature resistant variable frequency centrifugal fans. In operation, the air volumes of the first fan 904 and the second fan 905 need to be controlled to keep the air pressure inside and outside the heating hood 906 at 0, so that the outside cold air is not allowed to enter the heating hood, and the hot air in the heating hood is not dissipated outside the system.
In another embodiment, more than two single-cylinder circulation systems are combined to form a multi-cylinder self-circulation drying system, as shown in fig. 10, 12 assembled hot-steam-drying cylinders are combined to form a multi-cylinder self-circulation drying system, wherein two cylinders are connected in parallel to form a set of self-circulation system.
While the present invention has been described with reference to the drawings, the scope of the invention is not limited to the above description, and various changes can be made without departing from the spirit and principle of the invention, and any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art are intended to be included in the scope of the present invention.
Claims (10)
1. An assembled hot steam drying cylinder is provided with a round roller-shaped heating body structure on the surface, and is characterized by comprising N independent heating bodies and three sleeves; the independent heating bodies are provided with heating surfaces with arc curved surfaces, the opposite surfaces of the heating surfaces are bottom plates, a closed heating body is formed by the bottom plates and the side plates, and the heating surfaces of the N independent heating bodies are combined into the circumferential surface of a complete round roller-shaped heating body; after the N independent heating bodies are combined, the bottom plate of the independent heating body surrounds an inner cavity in the assembled hot steam drying cylinder; the inside of the independent heating body is provided with a steam inlet pipe, a steam exhaust pipe and a condensed water exhaust pipe along the whole width of the busbar direction of the assembled hot steam drying cylinder, the steam inlet pipe is provided with a hot steam port, the steam exhaust pipe is provided with a steam return port, and the condensed water exhaust pipe is provided with a condensed water collecting port; the three sleeves are formed by sleeving an outer sleeve, a middle sleeve and a core tube from outside to inside in a coaxial manner; the three sleeves extend into the inner cavity of the assembled hot steam drying cylinder for one section and extend out of the inner cavity for one section; the parts of the outer sleeve, the middle sleeve and the core tube, which extend out of the inner cavity, are respectively connected with the outer end connector, the steam exhaust port and the condensed water discharge port through rotary joints, so that the three sleeves rotate along with the drying cylinder, the external connection port, the steam exhaust port and the condensed water discharge port do not rotate, and the connection of the external connection port, the steam exhaust port and the condensed water discharge port respectively arranged on the outer sleeve, the middle sleeve and the core tube with an external pipeline in the rotation of the drying cylinder is realized; three sleeves positioned at the inner cavity part, wherein the outer sleeve is divided into N steam inlet branch pipes which are respectively connected with the steam inlet pipes in the N independent heating bodies; the middle sleeve pipe is divided into N steam exhaust branch pipes which are respectively connected with steam exhaust pipes in N independent heating bodies; the core pipe is divided into N condensed water discharge branch pipes which are respectively connected with condensed water discharge pipes in N independent heating bodies.
2. The fabricated hot air dryer as claimed in claim 1, said hot air ports being a row of small holes or slits provided along the wall of the inlet duct.
3. The fabricated hot-steam dryer of claim 1, the steam return port being a row of small holes or slots provided along the wall of the steam exhaust duct.
4. The fabricated hot vapor dryer as claimed in claim 1, wherein the condensate collection port is a row of small holes or slits provided along the wall of the condensate removal duct.
5. The fabricated hot-steam drying cylinder according to claim 1, wherein the condensed water discharging branch pipe is provided with an automatic control valve, the automatic control valve controls the opening and closing of the condensed water discharging branch pipe, and when the corresponding independent hot-steam drying cylinder runs to the bottom, the automatic control valve is opened, and the rest is normally closed.
6. The assembled hot steam dryer according to claim 1 or 2, wherein steam inlet guide plates are arranged on two sides of the hot steam port.
7. A fabricated hot-steam drying cylinder according to claim 1 or 3, wherein steam exhaust guide plates are arranged on two sides of the steam return port.
8. The fabricated hot-vapor dryer of claim 1, the inner side of the independent heating body is provided with grooves or cooling fins.
9. The fabricated hot-steam dryer of claim 1, wherein the non-heated surface area of the fabricated hot-steam dryer is provided with a thermal insulation layer.
10. The fabricated hot-steam drying cylinder according to claim 1, wherein the independent heating body is internally provided with an arc-shaped guide plate, the arc-shaped guide plate is provided with an arc-shaped curved surface, and the arc-shaped curved surface is concentric with the arc-shaped surface of the independent heating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810456783.2A CN108691233B (en) | 2018-05-14 | 2018-05-14 | Assembled hot steam dryer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810456783.2A CN108691233B (en) | 2018-05-14 | 2018-05-14 | Assembled hot steam dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108691233A CN108691233A (en) | 2018-10-23 |
| CN108691233B true CN108691233B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810456783.2A Active CN108691233B (en) | 2018-05-14 | 2018-05-14 | Assembled hot steam dryer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111321622B (en) * | 2020-03-06 | 2021-12-24 | 江苏理文造纸有限公司 | Steam heat energy comprehensive utilization system in paper industry |
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| DE102005043734A1 (en) * | 2005-09-14 | 2007-03-22 | Voith Patent Gmbh | Heat treatment drum for paper mill surface finishing process has modular assembly retained within segmented cylindrical ring |
| CN103114488A (en) * | 2013-03-21 | 2013-05-22 | 李春崇 | Normal-pressure multichannel papermaking drying cylinder |
| DE102011088513A1 (en) * | 2011-12-14 | 2013-06-20 | Voith Patent Gmbh | Device, particularly paper or tissue machine for manufacturing, processing or machining of web-shaped material web, comprises housing, which has inner surface and outer surface provided with thermal insulation layer, which has coating |
| CN205603962U (en) * | 2016-04-27 | 2016-09-28 | 陕西科技大学 | Toilet paper machine dryer part waste heat complementary energy recovery unit |
| CN208167408U (en) * | 2018-05-14 | 2018-11-30 | 昆明纳太科技有限公司 | Assembled hot vapour drying cylinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005000794A1 (en) * | 2005-01-05 | 2006-07-13 | Voith Paper Patent Gmbh | Apparatus and method for producing and / or refining a fibrous web |
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2018
- 2018-05-14 CN CN201810456783.2A patent/CN108691233B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005043734A1 (en) * | 2005-09-14 | 2007-03-22 | Voith Patent Gmbh | Heat treatment drum for paper mill surface finishing process has modular assembly retained within segmented cylindrical ring |
| DE102011088513A1 (en) * | 2011-12-14 | 2013-06-20 | Voith Patent Gmbh | Device, particularly paper or tissue machine for manufacturing, processing or machining of web-shaped material web, comprises housing, which has inner surface and outer surface provided with thermal insulation layer, which has coating |
| CN103114488A (en) * | 2013-03-21 | 2013-05-22 | 李春崇 | Normal-pressure multichannel papermaking drying cylinder |
| CN205603962U (en) * | 2016-04-27 | 2016-09-28 | 陕西科技大学 | Toilet paper machine dryer part waste heat complementary energy recovery unit |
| CN208167408U (en) * | 2018-05-14 | 2018-11-30 | 昆明纳太科技有限公司 | Assembled hot vapour drying cylinder |
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| CN108691233A (en) | 2018-10-23 |
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