CN108973247B - Corrugated board production line steam recovery system - Google Patents
Corrugated board production line steam recovery system Download PDFInfo
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- CN108973247B CN108973247B CN201811021441.4A CN201811021441A CN108973247B CN 108973247 B CN108973247 B CN 108973247B CN 201811021441 A CN201811021441 A CN 201811021441A CN 108973247 B CN108973247 B CN 108973247B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/20—Corrugating; Corrugating combined with laminating to other layers
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Abstract
The invention discloses a steam recovery system for a corrugated board production line, which mainly solves the technical problem that the subsequent product quality is reduced due to overhigh temperature of steam output in a primary preheating cylinder. The key points of the technical scheme are as follows: the steam heating device comprises a steam furnace and a main steam outlet pipe connected with the steam furnace, wherein the main steam outlet pipe is connected with a tile wheel roller, a first-stage preheating cylinder matched with a single tile machine and a second-stage preheating cylinder matched with a paper pasting machine which are sequentially connected in series, the second-stage preheating cylinder is connected with a main steam return pipe connected with the steam furnace, and an adjusting device for adjusting the temperature of steam entering the second-stage preheating cylinder is connected between the first-stage preheating cylinder and the second-stage preheating cylinder. The regulating device can regulate the temperature of steam entering the secondary preheating cylinder. When the temperature of discovery steam is too high, adjusting device can reduce the temperature of steam, avoids the moisture content in the cardboard after by excessive evaporation, leads to appearing the not good condition of bonding effect, has guaranteed product quality.
Description
Technical Field
The invention relates to corrugated board production equipment, in particular to a steam recovery system of a corrugated board production line.
Background
Corrugated board production line is called corrugated line for short, and is key production equipment of corrugated carton production enterprises, and corrugated board production line is the most important production line equipment in carton packaging enterprises, including several important components such as wet end equipment, cadre equipment, production management system, etc. The wet end equipment in the whole corrugated board production line is the key equipment for corrugating. Preheaters, as important heating devices in wet end plants, require large steam consumption. In the preheater equipment commonly used at present, a large amount of steam directly discharge after passing through the preheater, caused the waste of the steam energy, reduced the utilization ratio of the energy, increased the manufacturing cost of enterprise.
Therefore, utility model with the bulletin number of CN 205800336U provides a steam recovery economizer for corrugated board production line, which comprises a boiler, go up the tile wheel roller, lower tile wheel roller, the air inlet end of last tile wheel roller and lower tile wheel roller is connected respectively through main steam pipe to the boiler, the end of giving vent to anger between them all is through going out the steam inlet of steam pipe connection water vapor separator, the steam outlet of water vapor separator preheats the jar with the one-level of single tile machine and links to each other, after finishing using in the one-level preheats the jar, steam gets into the second grade of pasting machine and preheats the jar, single tile board and the interior paper that get into in the pasting machine preheat. And after being output from the secondary preheating cylinder, the steam enters a steam collector and a steam recycling machine, and then is sent back to the boiler from the steam recycling machine.
However, in practical use, after the steam is output from the primary preheating cylinder, the temperature of the steam is still high, the steam is directly input into the secondary preheating cylinder, the surface temperature of the secondary preheating cylinder is too high, moisture of the single-tile board and the lining paper entering the paper pasting machine is excessively evaporated, and the single-tile board and the lining paper are bonded by the paper paste, so that the single-tile board and the lining paper are excessively dried, and the bonding effect of the single-tile board and the lining paper is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a steam recovery system for a corrugated board production line, which can control the temperature of steam entering a secondary preheating cylinder so as to ensure the bonding effect of a single-corrugated board and lining paper.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a corrugated board production line steam recovery system, includes steam oven and the main steam outlet pipe that links to each other with the steam oven, be connected with the pulley roller of establishing ties in proper order on the main steam outlet pipe, with single tile machine supporting one-level preheating cylinder and with paste the supporting second grade preheating cylinder of paper machine, the second grade preheating cylinder is connected with the main return steam pipe that links to each other with the steam oven, be connected with the adjusting device who adjusts the steam temperature that gets into in the second grade preheating cylinder between one-level preheating cylinder and the second grade preheating cylinder.
By adopting the technical scheme: the regulating device can regulate the temperature of steam entering the secondary preheating cylinder. When the temperature of discovery steam is too high, adjusting device can reduce the temperature of steam, avoids the moisture content in the cardboard after by excessive evaporation, leads to appearing the not good condition of bonding effect, has guaranteed product quality.
Preferably, the adjusting device comprises an adjusting cylinder, the adjusting cylinder is provided with an adjusting steam inlet connected with the primary preheating cylinder and an adjusting steam outlet connected with the secondary preheating cylinder, cooling water for reducing the temperature of steam is arranged in the adjusting cylinder, the cylinder wall of the adjusting cylinder is hollow to form an adjusting cavity, the adjusting steam inlet and the adjusting steam outlet are both connected with the adjusting cavity, and an adjusting part for controlling the residence time of the hot steam in the adjusting cavity is arranged in the adjusting cavity.
By adopting the technical scheme: when steam discharged from the primary preheating cylinder enters the adjusting cavity, the cooling water can absorb partial heat of the steam, so that the steam is cooled, and the overhigh temperature of the steam when the steam enters the secondary preheating cylinder is avoided. The residence time of the steam in the adjusting cavity is adjusted through the adjusting part, so that the contact time of the hot steam and the cooling water can be controlled, the temperature of the cooling water is further adjusted, and the steam-cooling device is suitable for different production conditions.
Preferably, the adjusting part includes along adjusting a plurality of division boards of the axial setting in adjusting the jar of jar, and is a plurality of the division board is crisscross setting in proper order and separates into S-shaped regulation runner with adjusting the chamber, adjust the steam inlet setting on adjusting the lateral wall of jar and communicate with each other with adjusting the runner, adjust the steam outlet setting and can rotate to between the different division boards around adjusting the jar axis on adjusting the terminal surface of jar, it is equipped with the baffle that is used for sealing the clearance between division board and the regulation jar to slide on adjusting the lateral wall of jar.
By adopting the technical scheme: the setting of division board, can form the regulation runner of an S-shaped in adjusting the intracavity, will adjust the steam outlet and rotate to between the division board that corresponds, and pass through the baffle with the clearance between adjacent division board and the regulation jar and seal, steam is after getting into the regulation intracavity from adjusting the steam inlet like this, only can pass through part regulation runner, discharge from adjusting the steam outlet afterwards, through the dwell time of control steam in adjusting the runner, can realize the regulation of the temperature that steam reduces, adapt to the production needs of the corrugated container board of different models.
Preferably, the adjusting cylinder is provided with an end plate for adjusting the steam outlet, the end plate is rotatably connected with the cylinder body of the adjusting cylinder, the rotating axis of the end plate is overlapped with the axis of the adjusting cylinder, and the adjusting cylinder is provided with a fixing piece for fixing the end plate on the adjusting cylinder.
By adopting the technical scheme: the end plate is arranged to rotate, the position of the steam outlet can be adjusted by rotating the end plate, and after the steam outlet is adjusted in place, the end plate is fixed on the adjusting cylinder by the fixing piece, so that the steam outlet of the steam outlet can be stably adjusted.
Preferably, an annular groove for rotating the end plate is formed in the end portion of the adjusting cylinder, and the fixing member includes a fixing bolt which is in threaded connection with the adjusting cylinder and can be abutted against the end plate.
By adopting the technical scheme: when wanting to fix the end plate, the fixing bolt is screwed, and with fixing bolt and end plate butt, through the frictional force between fixing bolt and the end plate, can realize the fixed of end plate and adjusting cylinder.
Preferably, both ends of the adjusting cylinder are connected with a water inlet pipe for inputting cooling water into the adjusting cylinder and a water outlet pipe connected with the steam furnace.
By adopting the technical scheme: the water outlet pipe is connected with the steam boiler, so that water entering the steam boiler is preheated by steam, the energy consumption of the steam boiler can be further reduced, and the energy is saved.
Preferably, the water outlet pipe is rotatably arranged on the end plate.
By adopting the technical scheme: the influence of the rotation of the end plate on the output of the water outlet pipe can be avoided, and the normal use of the water outlet pipe is ensured.
Preferably, a steam collector is connected in the main steam return pipe.
By adopting the technical scheme: the steam collector can buffer a part of steam, plays a role in buffering, reduces the pressure in the whole steam recovery system, and improves the safety in the operation process.
In conclusion, the invention has the following beneficial effects:
1. the reciprocating cyclic utilization of the steam can be realized, the energy consumption is reduced, and the energy is saved;
2. the temperature of the mixture entering the secondary preheating cylinder is adjusted, so that the quality of the product is ensured.
Drawings
FIG. 1 is a schematic diagram of a steam cycle of the present embodiment;
FIG. 2 is a schematic view of the structure of the adjusting cylinder of the present embodiment;
fig. 3 is an exploded schematic view of the end plate of the present embodiment;
FIG. 4 is a first cross-sectional view of the adjusting cylinder for showing the positions of the adjusting steam outlet and the adjusting steam inlet according to the embodiment;
FIG. 5 is a second cross-sectional view of the adjusting cylinder of the present embodiment, showing the fixing of the end plate and the baffle plate;
fig. 6 is a schematic view of the inside of the conditioning chamber of the present embodiment.
In the figure: 1. an adjusting cylinder; 11. an adjustment chamber; 12. a water inlet pipe; 13. a water outlet pipe; 14. adjusting a steam inlet; 2. an end plate; 21. adjusting a steam outlet; 3. an annular groove; 31. fixing the bolt; 4. a partition plate; 5. a baffle plate; 6. a U-shaped block; 61. a magnet; 7. and adjusting the flow channel.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A steam recovery system for a corrugated board production line refers to figure 1 and comprises a steam furnace, a corrugated roller, a primary preheating cylinder and a secondary preheating cylinder. The corrugated roller is arranged in a single-tile machine, the plane paper is folded into corrugated paper, and steam needs to be introduced into the corrugated roller, so that the surface of the corrugated roller has a certain temperature, and the corrugated roller can soften the paper after contacting the paper, thereby facilitating the bending of the corrugated board; the primary preheating cylinder is matched with the single-tile machine for use to preheat paper entering the single-tile machine, and the secondary preheating cylinder is matched with the paste machine located at the downstream of the single-tile machine for use to preheat paper entering the paste machine. When the device is installed, a main steam outlet pipe is connected to the steam furnace, the main steam outlet pipe is directly connected with the tile wheel roller, the primary preheating cylinder and the secondary preheating cylinder are sequentially connected in series, and a main steam return pipe is arranged between the secondary preheating cylinder and the steam furnace. After being output from the tile wheel roller, the steam sequentially enters the primary preheating cylinder and the secondary preheating cylinder for reuse, and the steam after the secondary preheating cylinder is used up enters the steam furnace again through the main steam return pipe, so that the cyclic utilization of the steam is realized, and the energy is saved. The steam collector is arranged in the main steam return pipe, and can buffer a part of steam, so that the steam collector plays a role in buffering, reduces the pressure in the whole steam recovery system, and improves the safety in the operation process.
Referring to fig. 1, an adjusting device is connected between the primary preheating cylinder and the secondary preheating cylinder, and the adjusting device can adjust the temperature of steam entering the secondary preheating cylinder. When the temperature of discovery steam is too high, adjusting device can reduce the temperature of steam, avoids the moisture content in the cardboard after by excessive evaporation, leads to appearing the not good condition of bonding effect, has guaranteed product quality.
In this embodiment, referring to fig. 2, the adjusting device includes an adjusting cylinder 1, the adjusting cylinder 1 is provided with an adjusting steam inlet 14 connected to a steam outlet of the primary preheating cylinder and an adjusting steam outlet 21 connected to a steam inlet of the secondary preheating cylinder, a cylinder wall of the adjusting cylinder 1 is hollow to form an annular adjusting cavity 11 (see fig. 4), both the adjusting steam inlet 14 and the adjusting steam outlet 21 are communicated with the adjusting cavity 11, and cooling water is provided in the adjusting cylinder 1, so that when steam discharged from the primary preheating cylinder enters the adjusting cavity 11, the cooling water can absorb part of heat of the steam, thereby cooling the steam, and preventing the steam from entering the secondary preheating cylinder from being too high in temperature. The adjusting part for controlling the residence time of the hot steam in the adjusting cavity 11 is arranged in the adjusting cavity 11, the residence time of the steam in the adjusting cavity 11 is adjusted through the adjusting part, so that the contact time of the hot steam and the cooling water can be controlled, the temperature of the cooling water is further adjusted, and the adjusting device is suitable for different production conditions.
In this embodiment, referring to fig. 3 and 6, the adjusting part includes a plurality of partition plates 4 disposed in the adjusting cavity 11, the partition plates 4 are disposed along the axial direction of the adjusting cylinder 1, the partition plates 4 are disposed in the adjusting cavity 11 in a circumferential array with the axis of the adjusting cylinder 1 as the center, the height of the partition plates 4 is equal to the thickness of the adjusting cavity 11, the length of the partition plates 4 is smaller than the length of the adjusting cavity 11, and two adjacent partition plates 4 are disposed in a staggered manner, so that an S-shaped adjusting flow channel 7 is formed in the adjusting cavity 11, and the residence time of steam in the adjusting cavity 11 can be increased. At this time, the temperature of the steam can be adjusted by controlling the residence time of the steam in the adjusting flow passage 7.
Referring to fig. 3, 4 and 5, the adjusting cylinder 1 is provided with an end plate 2 for adjusting the steam outlet 21, the end plate 2 is rotatably arranged at the end of the adjusting cylinder 1, the rotation axis of the end plate 2 coincides with the axis of the adjusting cylinder 1, an annular groove 3 for rotating the end plate 2 is arranged at the end of the adjusting cylinder 1, and the annular groove 3 is coated at the outer edge of the end plate 2, so that the end plate 2 is rotatably connected with the adjusting cylinder 1. The adjusting cylinder 1 is also provided with a baffle 5, the baffle 5 is arranged in a gap between the partition plate 4 and the adjusting cylinder 1, the baffle 5 is arranged in the adjusting cylinder 1 in a sliding manner along the radial direction of the adjusting cylinder 1, and the size of the baffle 5 is matched with the gap; during operation, will adjust steam outlet 21 and rotate to between the division board 4 that corresponds to seal the clearance between adjacent division board 4 and the regulation jar 1 through baffle 5, steam just can pass through part regulation runner 7 after in adjusting steam inlet 14 entering regulation chamber 11 like this, discharge from adjusting steam outlet 21 afterwards, through the dwell time of control steam in adjusting runner 7, can realize the regulation of the temperature that steam reduces, adapt to the production needs of the corrugated container board of different models.
Referring to fig. 5, in order to stably realize the adjustment of the steam outlet 21, the adjustment cylinder 1 is provided with a fixing member for fixing the end plate 2 to the adjustment cylinder 1. The mounting includes fixing bolt 31 of threaded connection on adjusting cylinder 1, and fixing bolt 31 threaded connection is on the outer wall of ring channel 3, and fixing bolt 31 penetrates behind the ring channel 3 with end plate 2 butt, can realize end plate 2 and the fixed of adjusting cylinder 1. In this embodiment, in order to fix baffle 5, all be equipped with the screw hole on baffle 5 towards fixing bolt 31 on the face and on end plate 2, fixing bolt 31 passes behind end plate 2, with baffle 5 threaded connection, such a fixing bolt 31 can realize baffle 5 and end plate 2's fixed simultaneously, and at this moment, the screw hole on the end plate 2 is a plurality of and the circumference array sets up to make things convenient for end plate 2 to rotate the back, fixing bolt 31 runs through end plate 2.
Referring to fig. 4, a water inlet pipe 12 and a water outlet pipe 13 are respectively provided at both ends of the adjusting cylinder 1, and the water outlet pipe 13 is provided on the end plate 2. When the steam preheating device works, the water inlet pipe 12 sends cooling water into the adjusting cylinder 1, the water outlet pipe 13 is connected with the steam boiler, and therefore the water entering the steam boiler is preheated by the steam, the energy consumption of the steam boiler can be further reduced, and energy is saved. In order to avoid the influence of the rotation of the end plate 2 on the output of the water outlet pipe 13, the water outlet pipe 13 is rotatably arranged at the center of the end plate 2.
Referring to fig. 3 and 5, since there is a gap between the end of the partition plate 4 and the adjusting cavity 11, in order to avoid some steam from entering the adjusting flow channel 7 outside the adjusting steam outlet 21 from the gap, a baffle 5 needs to be arranged in the gap, the baffle 5 is slidably arranged, and when the steam slides out of the gap, the gap is opened; when the baffle 5 slides into the gap, the gap is closed, and the steam is prevented from running in disorder in the adjusting cavity 11. On the outer wall of adjusting jar 1, be located 5 outside horizontal U-shaped pieces 6 that are equipped with of baffle, play limiting displacement to baffle 5, avoid baffle 5 from adjusting 1 upward roll-off of jar, all be equipped with magnet 61 with 5 tops of baffle on U-shaped pieces 6, under the normal condition, baffle 5 is fixed in U-shaped pieces 6, and division board 4 and the clearance of adjusting between the chamber 11 are in the open mode.
The working process is summarized as follows: during normal work, steam from the output in the one-level preheats the jar enters into adjusting jar 1 through adjusting steam inlet 14 in, because there is the cooling water in adjusting jar 1, the cooling water can absorb the partial heat of steam, consequently can realize the cooling of steam, the high temperature when avoiding steam to get into the second grade and preheats the jar. When the temperature of the steam entering the secondary preheating cylinder is required to be adjusted, the end plate 2 is rotated, the adjusting steam outlet 21 is rotated to a position between different partition plates 4, the steam outlet position of the steam is adjusted, the retention time of the steam in the adjusting flow passage 7 can be adjusted, and the adjustment of the steam cooling range is realized. After the steam channel is adjusted in place, the end plate 2 is fixed on the adjusting cylinder 1 through the fixing bolt 31, and the baffle 5 positioned on the side edge of the adjusting steam outlet 21 slides into a gap between the partition plate 4 and the inner wall of the adjusting cavity 11, so that the change of the steam channel can be realized.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (6)
1. The utility model provides a corrugated board production line steam recovery system, includes steam oven and the main play steam pipe that links to each other with the steam oven, be connected with the tile wheel roller that connects gradually in series on the main play steam pipe, with the supporting one-level preheating cylinder of single tile machine and with paste the supporting second grade preheating cylinder of paper machine, the second grade preheating cylinder is connected with the main return steam pipe that links to each other with the steam oven, its characterized in that: a regulating device for regulating the temperature of the steam entering the secondary preheating cylinder is connected between the primary preheating cylinder and the secondary preheating cylinder; the adjusting device comprises an adjusting cylinder (1), an adjusting steam inlet (14) connected with a first-stage preheating cylinder and an adjusting steam outlet (21) connected with a second-stage preheating cylinder are arranged on the adjusting cylinder (1), cooling water for reducing the temperature of steam is arranged in the adjusting cylinder (1), the cylinder wall of the adjusting cylinder (1) is hollow to form an adjusting cavity (11), the adjusting steam inlet (14) and the adjusting steam outlet (21) are both connected with the adjusting cavity (11), and an adjusting part for controlling the residence time of hot steam in the adjusting cavity (11) is arranged in the adjusting cavity (11); the adjusting part includes along a plurality of division boards (4) of axial setting in adjusting chamber (11) of adjusting jar (1), and is a plurality of division board (4) crisscross setting in proper order will adjust chamber (11) and separate into S-shaped regulation runner (7), adjust steam inlet (14) set up on the lateral wall of adjusting jar (1) and communicate with each other with adjusting runner (7), adjust steam outlet (21) set up on the terminal surface of adjusting jar (1) and can rotate to between different division boards (4) around adjusting jar (1) axis, it is equipped with baffle (5) that are used for sealing division board (4) and adjust the clearance between jar (1) to slide on the lateral wall of adjusting jar (1).
2. A corrugated board production line vapor recovery system as claimed in claim 1, wherein: be equipped with on the regulation jar (1) and adjust end plate (2) of steam outlet (21), end plate (2) are connected with the cylinder body rotation of regulation jar (1), the axis of rotation of end plate (2) and the axis coincidence of regulation jar (1), be equipped with on the regulation jar (1) and fix the mounting on regulation jar (1) with this end plate (2).
3. A corrugated board production line vapor recovery system as claimed in claim 2, wherein: the tip of adjusting jar (1) is equipped with the confession end plate (2) pivoted ring channel (3), the mounting include with adjusting jar (1) threaded connection and can with this end plate (2) butt fixing bolt (31).
4. A corrugated board production line vapor recovery system as claimed in claim 2, wherein: and the two ends of the adjusting cylinder (1) are connected with a water inlet pipe (12) for inputting cooling water into the adjusting cylinder (1) and a water outlet pipe (13) connected with the steam furnace.
5. The corrugated board production line vapor recovery system of claim 4, wherein: the water outlet pipe (13) is rotatably arranged on the end plate (2).
6. A corrugated board production line vapor recovery system as claimed in claim 1, wherein: and a steam collector is connected in the main steam return pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021441.4A CN108973247B (en) | 2018-09-03 | 2018-09-03 | Corrugated board production line steam recovery system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021441.4A CN108973247B (en) | 2018-09-03 | 2018-09-03 | Corrugated board production line steam recovery system |
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| CN108973247A CN108973247A (en) | 2018-12-11 |
| CN108973247B true CN108973247B (en) | 2020-04-07 |
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| CN201811021441.4A Active CN108973247B (en) | 2018-09-03 | 2018-09-03 | Corrugated board production line steam recovery system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109986847A (en) * | 2019-04-04 | 2019-07-09 | 佛山市界龙机械有限公司 | Corrugated roller with internal periphery heating |
| CN111016298A (en) * | 2019-12-24 | 2020-04-17 | 广州市新达丰纸品有限公司 | Corrugated roller |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008055790A (en) * | 2006-08-31 | 2008-03-13 | Mitsubishi Heavy Ind Ltd | Heating device for manufacturing corrugated fiberboard, and equipment and method for manufacturing double-faced corrugated fiberboard sheet |
| CN103302903B (en) * | 2013-05-15 | 2015-09-30 | 临沂兴华包装有限公司 | Secondary steam utilizing system |
| CN104034103B (en) * | 2014-07-01 | 2016-07-13 | 吉首大学 | Ammonia refrigeration intercooler |
| CN205048999U (en) * | 2015-09-01 | 2016-02-24 | 湖南时代阳光药业股份有限公司 | Crossing current condenser |
| CN106642047A (en) * | 2016-11-08 | 2017-05-10 | 湖北京山轻工机械股份有限公司 | Corrugated paper board production line steam cycle system |
| CN206454301U (en) * | 2017-02-13 | 2017-09-01 | 邹平友邦能源有限公司 | A kind of industrial steam automatic cycle utilizes system |
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