CN112050605A - Continuous drying line for heating energy-saving gypsum blocks - Google Patents
Continuous drying line for heating energy-saving gypsum blocks Download PDFInfo
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- CN112050605A CN112050605A CN202010931180.0A CN202010931180A CN112050605A CN 112050605 A CN112050605 A CN 112050605A CN 202010931180 A CN202010931180 A CN 202010931180A CN 112050605 A CN112050605 A CN 112050605A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/16—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by wheeled trucks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/003—Handling, e.g. loading or unloading arrangements for articles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides a continuous drying line for heating energy-saving gypsum blocks, which is provided with N drying rooms which are arranged in sequence in different grades and are relatively independent, wherein each drying room is internally provided with a heating system for supplying heat, a dehumidifying system for dehumidifying in the drying room and a hot air circulating system for guiding and circulating hot air in the drying room; an interval partition device is arranged between every two adjacent drying rooms and used for forming a closed space of the drying rooms; the drying room is also internally provided with a kiln car for stacking and placing gypsum blocks, a track for guiding movement is laid below the kiln car, and the track is laid from the first-level drying room to the Nth-level drying room and penetrates through the whole drying line, so that the continuous drying of the gypsum blocks is realized. The problems that in the prior art, drying time is long, drying cost is high, energy consumption is high, moisture cannot be timely discharged, and gypsum blocks are not uniformly dried are solved.
Description
Technical Field
The invention relates to the field of energy-saving drying of gypsum blocks, in particular to a continuous drying line for heating energy-saving gypsum blocks.
Background
Most of baking houses that have now are in order to reach the purpose of getting rid of moisture in the baking house in the course of the work, can directly get rid of the hot-air of taking the moisture in the baking house, thermal loss and gypsum building block are heated unevenly, thereby arouse the power consumption to increase, additionally, in prior art, in order to improve heat utilization, some direct hot-air direct recycle with the moisture of exhaust, lead to the interior moisture of baking house to fail real effective the getting rid of, then produced excessive hydrofuge or the not enough problem of hydrofuge.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a continuous drying line for heating energy-saving gypsum blocks, which solves the problems of high energy consumption, incapability of quantitatively discharging moisture and uneven heating of gypsum blocks in the prior art.
The technical scheme of the invention is realized as follows:
a continuous drying line for heating energy-saving gypsum blocks is provided with N drying rooms which are arranged in sequence in a grading way and are relatively independent, and each drying room is internally provided with a heating system, a moisture removal system and a hot air circulating system for guiding and circulating hot air in the drying room; an interval partition device is arranged between every two adjacent drying rooms and is used for forming a closed space which is relatively independent for each drying room;
the drying room is internally paved with a track for guiding movement, the track is communicated with N independent drying rooms and runs through the whole drying line, and the track is provided with a kiln car for stacking and placing gypsum blocks.
Preferably, in the continuous drying line for heating energy-saving gypsum blocks, the N drying rooms are sequentially divided into a first-level drying room, a second-level drying room, … … and an Nth-level drying room according to the setting of the drying level, wherein N is more than or equal to 3, and the gypsum blocks are sequentially subjected to primary drying, secondary drying, … … and N-level drying respectively until the gypsum blocks are dried.
Preferably, the continuous drying line for heating the energy-saving gypsum blocks is characterized in that a first-stage drying room is provided with N sets of dehumidification systems, a second-stage drying room is provided with N sets of dehumidification systems, a third-stage drying room is provided with N-1 sets of dehumidification systems, … …, and an Nth-stage drying room is provided with two sets of dehumidification systems.
Preferably, the continuous drying line for heating the energy-saving gypsum blocks comprises a hot air circulating system and a return air duct partition plate, wherein the inside of the drying room is divided into an air distribution area and a drying area by the circulating fan, the air distribution area is positioned on the left side of the circulating fan, and the drying area is positioned on the right side of the circulating fan;
the air return duct partition plate is arranged in the drying room and is positioned above the drying area; and a return air channel is formed between the return air channel partition plate and the top wall of the drying room, and when the circulating fan supplies air to the drying area, hot air flows to the right side of the drying area from the left side of the drying area and then returns to the air distribution area through the return air channel.
Preferably, in the continuous drying line for heating the energy-saving gypsum blocks, the circulating fan is a variable-frequency driving circulating fan which automatically and regularly supplies air in forward and reverse directions according to program setting;
when the air is fed forward, hot air is blown to the right side of the drying area from the left side of the drying area and then returns to the air distribution area through the air return channel, and the air is circulated forward;
when the air is reversely supplied, hot air is sent out from the air distribution area, flows to the right side of the drying area through the air return channel above the drying area, is blown to the left side of the drying area from the right side of the drying area, and is reversely circulated.
Preferably, the heating system is a steam heating system and comprises a steam air supply source, a steam radiator and a main steam pipeline, wherein the steam radiator is arranged on the right side of the circulating fan, namely, between the circulating fan and the drying area; the bottom of the steam radiator is connected with a drain valve and a drain pipeline, one end of the main steam pipeline is connected with the top end of the steam radiator, and the other end of the main steam pipeline extends to the outside of the drying room and is connected with a steam supply source;
the main steam pipeline is also connected with a stop valve and a steam switch pneumatic valve which are used for controlling the steam flow.
Preferably, a heat energy-conserving gypsum block continuous drying line, heating system is gas heating system, contains gas burner and gas hot-blast furnace, the gas hot-blast furnace is installed in drying zone top return air passageway, the gas burner is installed in drying zone top outer wall, the gas hot-blast furnace with the gas burner passes through flange joint, the gas burner is located the top of gas hot-blast furnace.
Preferably, the continuous drying line for heating energy-saving gypsum blocks is characterized in that the gypsum blocks are stacked on the kiln car in a matrix arrangement mode, namely: the gypsum blocks are arranged in four rows from left to right, the gypsum blocks are arranged in four rows from front to back, and the gypsum blocks are arranged in four rows at equal intervals.
Preferably, the section partition device comprises a frame body and an electric door, guide rails are respectively arranged on two sides of the frame body, and positioning pulleys matched with the guide rails are respectively arranged on two sides of the electric door, so that the electric door is prevented from derailing in the lifting process of the guide rails;
the upper edge end of the electric door is provided with a steel wire rope pulley, an electric block and a steel wire rope lifting hook are arranged on the frame body and positioned above the electric door, and a steel wire rope wound around the electric block penetrates through the steel wire rope pulley and is fixedly connected with the steel wire rope lifting hook; the electric door is lifted along the guide rail under the action of the electric hoist;
and the guide rail is also provided with an upper limit switch and a lower limit switch for limiting the lifting of the electric door.
Preferably, a heat energy-conserving gypsum block line of drying in succession, the hydrofuge system includes hydrofuge fan and hydrofuge tuber pipe, the hydrofuge fan is located the top in baking house, the air intake of hydrofuge fan pass through the pipeline with the inside intercommunication in baking house, the air outlet of hydrofuge fan passes through the hydrofuge tuber pipe communicates with the open air, the tail end of hydrofuge tuber pipe is equipped with rain-proof cap.
Preferably, the continuous drying line for heating the energy-saving gypsum blocks is characterized in that the drying room is further provided with a temperature sensor, a temperature and humidity sensor and a PLC (programmable logic controller), the PLC is used for receiving sensor signals and performing feedback control, the PLC controls the dehumidifying system by receiving signals of the temperature and humidity sensor, and the PLC controls the heating system by receiving signals of the temperature sensor.
The invention has the beneficial effects that:
1. the invention can effectively and continuously dry the gypsum blocks in different grades according to different drying coefficients by arranging the drying rooms with N grades which are sequentially arranged and relatively independent, thereby achieving the purpose of energy saving, meanwhile, the drying room is internally provided with the interval partition device which is beneficial to forming a closed space of the drying room, avoiding excessive heat loss and further achieving the purpose of high-efficiency utilization of heat energy, the drying room is also internally provided with a hot air circulating system which plays a role of guiding and circulating hot air in the drying room, so that the gypsum blocks are effectively and uniformly heated and dried, in addition, the drying room is internally provided with a moisture removal system, and the quantitative moisture removal of the moisture removal system is controlled by receiving and feeding back signals of a PLC sensor, thereby avoiding the problems of insufficient moisture removal or excessive moisture removal.
2. Be equipped with kiln car and the track that runs through in whole stoving line in the baking house, the gypsum block of being convenient for place, carry and transport out, the gypsum block adopts the spatial layout that vertical matrix was arranged on the kiln car, is favorable to the even abundant being heated of gypsum block, and simultaneously, the raising and lowering functions that interval off device had also provides very big facility for the operation of stoving line.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a side view of a drying room of a continuous drying line for heating energy-saving gypsum blocks of example 1;
FIG. 2 is a top view of a drying room of a continuous drying line for heating energy-saving gypsum blocks of embodiment 1;
FIG. 3 is a flow chart of a continuous drying line for heating energy-saving gypsum blocks of embodiment 1;
fig. 4 is a side view of a drying room of a continuous drying line for heating energy-saving gypsum blocks in embodiment 2.
In the figure: 1-support frame, 2-main steam pipeline, 3-stop valve, 4-steam switch pneumatic valve, 5-circulating fan, 6-steam radiator, 7-support base, 8-drain pipeline, 9-drain valve, 10-buffer pad, 11-kiln car, 12-positioning pulley, 13-steel wire rope pulley, 14-guide plate, 15-lower limit switch, 16-upper limit switch, 17-upper limit protection switch, 18-moisture exhaust fan, 19-moisture exhaust air pipe, 20-steel wire rope lifting hook, 21-electric hoist, 22-rain cap, 23-cable bridge, 24-pneumatic electromagnetic valve, 25-gypsum block, 26-high temperature resistant hydrophobic rock wool board, 27-temperature and humidity sensor, 28-temperature sensor, 29-electric door, 30-air distribution area, 31-support rod, 32-I-steel, 33-drying area, 34-access door, 35-first-stage drying room, 36-second-stage drying room, 37-third-stage drying room, 38-fourth-stage drying room, 39-gas burner and 40-gas hot-blast stove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the continuous drying line for heating energy-saving gypsum blocks comprises four drying rooms which are arranged in a grading manner in sequence and are relatively independent, wherein each drying room is internally provided with a heating system, a moisture removing system and a hot air circulating system for guiding and circulating hot air in the drying room; an interval partition device is arranged between adjacent drying rooms and is used for forming a closed space relatively independent from each drying room; the track that is used for the direction to remove is laid in the baking house, and four independent baking houses of track UNICOM run through in whole stoving line, are equipped with on the track to be used for piling up kiln car 11 of placing the gypsum block.
As shown in fig. 3, the present embodiment is sequentially divided into a first-stage drying room 35, a second-stage drying room 36, a third-stage drying room 37, and a fourth-stage drying room 38 according to the drying levels, and the gypsum blocks 25 are sequentially subjected to primary drying, secondary drying, tertiary drying, and fourth-stage drying, and are sequentially driven by a kiln car to sequentially go from the first-stage drying room 35, the second-stage drying room 36, the third-stage drying room 37 to the fourth-stage drying room 38, so as to complete the continuous drying of the gypsum blocks. Correspondingly, the first-stage drying room 35 is provided with four sets of dehumidification systems, the second-stage drying room 36 is provided with four sets of dehumidification systems, the third-stage drying room 37 is provided with three sets of dehumidification systems, and the fourth-stage drying room is provided with two sets of dehumidification systems.
As shown in fig. 1-2, the hot air circulation system in the drying room comprises a circulating fan 5 and an air return duct partition 14, the circulating fan 5 is installed on a support base 7 below the circulating fan 5, the inside of the drying room is divided into an air distribution area 30 and a drying area 33 by the circulating fan 5, the air distribution area 30 is located on the left side of the circulating fan 5, the drying area 33 is located on the right side of the circulating fan 5, and preferably, the air distribution area 30 is provided with an access door 34 for facilitating the implementation of daily monitoring and maintenance work; according to the front and rear length of the drying room, a plurality of circulating fans 5 are arranged in the drying room as shown in fig. 2, and the circulating fans 5 are sequentially arranged in parallel along the length direction of the drying room. The air return duct partition plate 14 is arranged in the drying room and positioned above the drying area 33, and the air return duct partition plate 14 is arranged on a support rod 31 arranged below the air return duct partition plate; a return air channel is formed between the return air channel partition plate 14 and the top wall of the drying room, when the circulating fan 5 supplies air to the drying area 33, negative pressure is generated behind the circulating fan 5, and hot air flows from the left side of the drying area 33 to the right side of the drying area 33 and then returns to the air distribution area 30 through the return air channel.
More preferably, the circulating fan 5 is a variable frequency driving circulating fan, and the variable frequency driving circulating fan automatically and regularly supplies air in the forward direction and the reverse direction according to the program setting.
When the circulating fan 5 is supplying air in the forward direction, the hot air is blown from the left side of the drying zone 33 to the right side of the drying zone 33 and then returned to the air distribution zone 30 through the return air passage, thus circulating in the forward direction.
When the circulating fan 5 supplies air reversely, hot air is supplied from the air distribution area 30, flows to the right side of the drying area 33 through the return air channel above the drying area 33, is blown to the left side of the drying area 33 from the right side of the drying area 33, and is circulated reversely.
Preferably, the heating system is a steam heating system, comprising a steam air supply source, a steam radiator 6 and a main steam pipeline 2, wherein the steam radiator 6 is arranged on the supporting base 7, and the steam radiator 6 is arranged at the right side of the circulating fan 5, namely between the circulating fan 5 and the drying area 33; the bottom of the steam radiator 6 is connected with a drain valve 9 and a drain pipeline 8, one end of a main steam pipeline 2 is connected with the top end of the steam radiator 6, the other end of the main steam pipeline 2 extends to the outside of the drying room and is connected with a steam air supply source, the main steam pipeline 2 is erected on a support frame 1 arranged below the main steam pipeline, and a pneumatic electromagnetic valve 24 and a cable bridge 23 are further arranged on the support frame 1 and used for controlling steam flow and supplying power to the circulating fan 5, the dehumidifying fan 18 and the electric door 29; the main steam pipeline is also connected with a stop valve 3 and a steam switch pneumatic valve 4 which are used for controlling the steam flow, and the stop valve and the steam switch pneumatic valve are used for accurately adjusting and controlling the steam flow.
Preferably, the interval partition device comprises a frame body and an electric door 29, wherein guide rails are respectively arranged on two sides of the frame body, the frame body is made of i-shaped steel 32, and positioning pulleys 12 matched with the guide rails are respectively arranged on two sides of the electric door 29 so as to prevent the electric door 29 from derailing in the lifting process of the guide rails; the upper edge end of the electric door 29 is provided with three steel wire rope pulleys 13, an electric hoist 21 and a steel wire rope hook 20 are arranged on the I-shaped steel 32 and positioned above the electric door 29, and a steel wire rope wound on the electric hoist 21 penetrates through the three steel wire rope pulleys 13 and is fixedly connected with the steel wire rope hook 20; the electric door 29 is lifted along the guide rail under the action of the electric hoist 21; the guide rail is also provided with an upper limit switch 16 and a lower limit switch 15 which carry out lifting limit on the electric door 29, an upper limit protection switch 17 is also arranged above the upper limit switch 16, and the electric door 29 can have a stroke automatic protection function in the lifting process through the upper limit protection switch 17.
Wherein, electric block 21 installs in the left side on I-steel 32 top, wire rope lifting hook 20 installs in the right side on I-steel 32 top, go up limit switch 16 and install in the left side of I-steel, limit switch 15 installs in the left side of I-steel down, limit switch 15 is located the below of limit switch 16 down, it is located the top of limit switch 16 to go up limit switch 17, the inside bottom in baking house still is equipped with and widens groove and cushion 10, a more effective sealing action is played to the protection and the stoving district 33 to electric door 29, when guaranteeing heat make full use of in the baking house, can also effectively prolong electric door 29's life.
Preferably, the dehumidifying system comprises a dehumidifying fan 18 and a dehumidifying air pipe 19, the dehumidifying fan 18 is located at the top of the drying room, an air inlet of the dehumidifying fan 18 is communicated with the inside of the drying room through a pipeline, an air outlet of the dehumidifying fan 18 is communicated with the outside through the dehumidifying air pipe 19, and a rain-proof cap 22 is arranged at the tail end of the dehumidifying air pipe 19 and can prevent external rainwater from entering the drying room.
More preferably, the wall panel of the drying room is a high temperature resistant hydrophobic rock wool board 26, and the high temperature resistant hydrophobic rock wool board 26 can be used for a long time in a high temperature and high humidity environment.
Preferably, the drying room is further provided with a temperature sensor 28, a temperature and humidity sensor 27 and a PLC (programmable logic controller), the temperature sensor 28 is located inside the drying room, the temperature and humidity sensor 27 is located at the inlet end of the dehumidifying fan 18, the PLC is used for receiving signals of the sensors and performing feedback control, the PLC controls the dehumidifying fan 18 by receiving the signals of the temperature and humidity sensor 27, and the PLC controls the steam radiator 6 and the circulating fan 5 by receiving the signals of the temperature sensor 28.
Wherein, the circulating fan 5 adopts frequency conversion control, the acceleration and deceleration are carried out at a constant speed, the problem that the blades of the circulating fan 5 are easy to break is effectively solved, when the air supply speed is lower than the set air speed, the steam radiator 6 stops heating, thereby forming effective protection for the circulating fan 5 and prolonging the service life of the circulating fan, in addition, the circulating fan 5 adjusts the air speed through the frequency conversion control, the humidity in the drying room can be transferred to the front end, when the temperature and humidity sensor 27 detects that the humidity and the temperature in the drying room reach the discharge value, the dehumidifying fan 18 is automatically started, the dehumidifying fan 18 exhausts the moisture in the drying room to the outside through the dehumidifying air pipe 19, the problem of insufficient or excessive dehumidifying is effectively solved, meanwhile, the drying time is effectively reduced, the drying efficiency is improved, in addition, the PLC realizes the going on or stopping of the heating system through the receiving of the signal of the temperature sensor 28, the problem of uneven unstable temperature has effectively been solved.
Example 2
As shown in fig. 4, the main structure of embodiment 2 is the same as that of embodiment 1, and the difference in structure is that the heating system in this embodiment is a gas heating system, and includes a gas burner 39 and a gas hot-blast stove 40, the gas hot-blast stove 40 is installed in a return air passage at the top of the drying zone 33, the gas burner 39 is installed on the outer wall at the top of the drying zone 33, the gas hot-blast stove 40 is connected to the gas burner 39 through a flange, and the gas burner 39 is located above the gas hot-blast stove 40.
This embodiment arranges in proper order and relatively independent baking house through four grades that are equipped with, can carry out effectual continuous type stoving to the gypsum block according to the difference of stoving rank, and simultaneously, the inside heating system that is equipped with of baking house, the dehumidification system, interval off device and hot air circulating system, can carry out abundant and even hierarchical difference continuous type stoving to the inside gypsum block of baking house, in addition, kiln car accessible that is equipped with in the baking house runs through and carries out high-efficient the transport in the track of whole stoving line to the gypsum block, the normal operating of stoving line work has been guaranteed.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second", "element i", "element ii" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features indicated. Thus, features defined as "first", "second", "element i", "element ii" may explicitly or implicitly include one or more of such features. In the description of the present invention, "plurality" or "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A continuous drying line for heating energy-saving gypsum blocks is characterized by comprising N drying rooms which are arranged in sequence in a grading manner and are relatively independent, wherein a heating system, a moisture removal system and a hot air circulating system for guiding and circulating hot air in the drying rooms are arranged in each drying room; an interval partition device is arranged between every two adjacent drying rooms and is used for forming a closed space which is relatively independent for each drying room;
the drying room is internally paved with a track for guiding movement, the track is communicated with N independent drying rooms and runs through the whole drying line, and the track is provided with a kiln car for stacking and placing gypsum blocks.
2. The continuous drying line for heating energy-saving gypsum blocks as claimed in claim 1, wherein the N drying rooms are sequentially divided into a first-level drying room, a second-level drying room, … … and an nth-level drying room according to the setting of the drying level, wherein N is greater than or equal to 3, and the gypsum blocks are sequentially subjected to primary drying, secondary drying, … … and N-level drying respectively until the gypsum blocks are dried.
3. The continuous drying line for heating energy-saving gypsum blocks as claimed in claim 1, wherein the first-stage drying room is provided with N sets of moisture removing systems, the second-stage drying room is provided with N sets of moisture removing systems, the third-stage drying room is provided with N-1 sets of moisture removing systems, … …, and the Nth-stage drying room is provided with two sets of moisture removing systems.
4. The continuous drying line for heating energy-saving gypsum blocks as claimed in any one of claims 1 to 3, wherein the moisture-removing system comprises a moisture-removing fan and a moisture-removing air pipe, the moisture-removing fan is positioned at the top of the drying room, an air inlet of the moisture-removing fan is communicated with the inside of the drying room through a pipeline, and an air outlet of the moisture-removing fan is communicated with the outside through the moisture-removing air pipe;
and a rain-proof cap is arranged at the tail end of the moisture-removing air pipe.
5. The continuous drying line for heating energy-saving gypsum blocks as claimed in claim 1, wherein the hot air circulation system comprises a circulating fan and a return air duct partition plate, the inside of the drying room is divided into an air distribution area and a drying area by the circulating fan, the air distribution area is positioned at the left side of the circulating fan, and the drying area is positioned at the right side of the circulating fan;
the air return duct partition plate is arranged in the drying room and is positioned above the drying area; and a return air channel is formed between the return air channel partition plate and the top wall of the drying room, and when the circulating fan supplies air to the drying area, hot air flows to the right side of the drying area from the left side of the drying area and then returns to the air distribution area through the return air channel.
6. The continuous drying line for heating energy-saving gypsum blocks as claimed in claim 5, wherein the circulating fan is a variable frequency driving circulating fan, and the variable frequency driving circulating fan automatically and regularly supplies air in forward and reverse directions according to program setting;
when the air is fed forward, hot air is blown to the right side of the drying area from the left side of the drying area and then returns to the air distribution area through the air return channel, and the air is circulated forward;
when the air is reversely supplied, hot air is sent out from the air distribution area, flows to the right side of the drying area through the air return channel above the drying area, is blown to the left side of the drying area from the right side of the drying area, and is reversely circulated.
7. The continuous drying line for heating energy-saving gypsum blocks as claimed in claim 5, wherein the heating system is a steam heating system comprising a steam supply source, a steam radiator and a main steam pipeline, the steam radiator is arranged at the right side of the circulating fan, namely, between the circulating fan and the drying zone; the bottom of the steam radiator is connected with a drain valve and a drain pipeline, one end of the main steam pipeline is connected with the top end of the steam radiator, and the other end of the main steam pipeline extends to the outside of the drying room and is connected with a steam supply source;
the main steam pipeline is also connected with a stop valve and a steam switch pneumatic valve which are used for controlling the steam flow.
8. The continuous drying line for heating energy-saving gypsum blocks as claimed in claim 5, wherein the heating system is a gas heating system and comprises a gas burner and a gas hot-blast stove, the gas hot-blast stove is installed in a return air channel at the top of the drying area, the gas burner is installed on the outer wall at the top of the drying area, the gas hot-blast stove is connected with the gas burner through a flange, and the gas burner is located above the gas hot-blast stove.
9. The continuous drying line for heating energy-saving gypsum blocks as claimed in claim 1, wherein the gypsum blocks are stacked on the kiln car in a matrix arrangement, that is: the gypsum blocks are arranged in four rows from left to right, the gypsum blocks are arranged in four rows from front to back, and the gypsum blocks are arranged in four rows at equal intervals.
10. The continuous drying line for heating energy-saving gypsum blocks as claimed in claim 1, wherein the interval partition device comprises a frame body and an electric door, guide rails are respectively arranged on two sides of the frame body, and positioning pulleys matched with the guide rails are respectively arranged on two sides of the electric door to prevent the electric door from derailing in the lifting process of the guide rails;
the upper edge end of the electric door is provided with a steel wire rope pulley, an electric block and a steel wire rope lifting hook are arranged on the frame body and positioned above the electric door, and a steel wire rope wound around the electric block penetrates through the steel wire rope pulley and is fixedly connected with the steel wire rope lifting hook; the electric door is lifted along the guide rail under the action of the electric hoist;
and the guide rail is also provided with an upper limit switch and a lower limit switch for limiting the lifting of the electric door.
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| CN202010931180.0A CN112050605A (en) | 2020-09-07 | 2020-09-07 | Continuous drying line for heating energy-saving gypsum blocks |
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| CN202010931180.0A CN112050605A (en) | 2020-09-07 | 2020-09-07 | Continuous drying line for heating energy-saving gypsum blocks |
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|---|---|---|---|---|
| CN115183563A (en) * | 2022-06-16 | 2022-10-14 | 泰山石膏（宣城）有限公司 | Gypsum block drying device |
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