CN212746427U

CN212746427U - Heat source waste heat recovery system in package printing

Info

Publication number: CN212746427U
Application number: CN202020979209.8U
Authority: CN
Inventors: 张和平
Original assignee: Hohhot Jihong Printing And Packaging Co ltd
Current assignee: Hohhot Jihong Printing And Packaging Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-03-19
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a heat source waste heat recovery system in package printing, including boiler body, the last fixed exhaust stack that is equipped with of boiler body, exhaust stack includes the three-section pipe way, fixed heat transfer device, the temperature detection meter, play tobacco pipe and the second solenoid valve of being equipped with in proper order on the pipe way, heat transfer device and play be equipped with the temperature detection meter between the tobacco pipe, the temperature sensing head of temperature detection meter inserts in the pipe way and the temperature detection meter is fixed to be set up on the pipe way bottom surface, it is fixed with first solenoid valve on setting up on the pipe way top surface and play tobacco pipe to go out the tobacco pipe. The utility model discloses a set up heat transfer device on the guide way, realize recycling the heat recovery of high temperature flue gas, reduced the waste of the energy, set up simultaneously and utilized heat transfer device on the three-section guide way respectively, effectively improved the thermal rate of recovery of high temperature flue gas, better saving a large amount of energy.

Description

Heat source waste heat recovery system in package printing

Technical Field

The utility model relates to a packing lithography apparatus technical field specifically is a heat source waste heat recovery system in packing printing.

Background

The corrugated board production line is the most important production line equipment in carton packaging enterprises, and comprises a wet end device, a dry end device, a production management system and other important components.

The wet end equipment in the whole corrugated board production line is the key equipment for corrugated forming, and mainly relates to the influence of various factors such as raw paper, glue, steam and the like on the forming quality of paper, so that the problem to be solved is the problem of the quality of the paper board. The key equipment of the wet part, namely the single-sided corrugating machine, is to select equipment with advanced technology, namely a positive pressure cartridge type single-sided machine. The numerical display of the adjustable gap and the control of the glue coating amount are very important.

Steam that wet portion equipment adopted among the whole corrugated container board production line utilizes the heat source to add hot water and produces, and the heat source that general packing printing trade adopted is the boiler, and the boiler is at the in-process that produces steam, will discharge a large amount of high temperature flue gas, contains a large amount of heats in the high temperature flue gas, just directly discharges, leads to the waste of a large amount of energy production, therefore we improve to this, provide a heat source waste heat recovery system in the packing printing.

SUMMERY OF THE UTILITY MODEL

For solving the defect that prior art exists, the utility model provides a heat source waste heat recovery system in package printing.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a heat source waste heat recovery system in packaging printing, including the boiler body, the fixed exhaust pipe that is equipped with on the boiler body, the exhaust pipe includes three sections pipes, heat transfer device, temperature detector, play tobacco pipe and second solenoid valve are fixed in proper order on the pipe, be equipped with the temperature detector between heat transfer device and the play tobacco pipe, the temperature sensing head of temperature detector inserts in the pipe and the temperature detector is fixed to be set up on the pipe bottom surface, it sets up on the pipe top surface and is fixed with first solenoid valve on going out the tobacco pipe to go out the tobacco pipe, it is equipped with the second solenoid valve to go out the tobacco pipe opposite side; the input end of the heat exchange device is fixedly connected with the condensed water injection device, and the output end of the heat exchange device is fixedly connected with the heat storage water tank.

As an optimal technical scheme of the utility model, through sealing flange and bolt fixed connection between the three-section conduit, wherein last conduit terminal fixedly connected with plugging device, the fixed heat preservation that is equipped with in the conduit outside, heat preservation from interior to exterior wraps up at the aluminium silicate fiber felt, the wire netting of pipeline surface and presss from both sides the cover according to the preface and constitute.

As an optimal technical scheme of the utility model, plugging device includes threaded sleeve, threaded sleeve passes through sealing flange and bolt and pipe way fixed connection, threaded sleeve internal spiro union has sealed lid.

As the utility model discloses a preferred technical scheme, heat transfer device includes first riser and second riser, bottom surface and interior top surface in the pipe way are fixed in the laminating respectively to first riser and second riser, first riser and second riser highly are less than pipe way internal diameter, from the top down crisscross a plurality of baffles of fixedly connected with in proper order between first riser and the second riser, the baffle is equipped with circulation spiral catheter on the surface.

As an optimal technical scheme of the utility model, circulation spiral catheter adopts copper pipe, circulation spiral catheter input and comdenstion water injection device fixed connection, circulation spiral catheter output and heat storage water tank fixed connection.

As a preferred technical scheme of the utility model, the last fixed thermometer that is equipped with of heat storage water tank, heat storage water tank is fixed to be equipped with two drain pipes, and on two drain pipes respectively fixed mounting have first valve and second valve, one of them drain pipe output and deoxidization case input fixed connection, deoxidization case output and boiler body fixed connection.

As a preferred technical scheme of the utility model, the temperature detects the meter and is connected with central controller transmission electricity, central controller is connected with first solenoid valve and second solenoid valve transmission electric control respectively.

The utility model has the advantages that: this kind of heat source waste heat recovery system in package printing has set up heat transfer device through the guide tube way, realizes recycling the heat recovery of high temperature flue gas, has reduced the waste of the energy, has set up simultaneously and has utilized heat transfer device respectively on the three-section guide tube way, has effectively improved the thermal rate of recovery of high temperature flue gas, better saving a large amount of energy.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of a heat source waste heat recovery system in package printing according to the present invention;

FIG. 2 is a schematic view of a duct structure of a heat source waste heat recovery system in packaging printing according to the present invention;

FIG. 3 is a schematic view of a partial structure of a heat source waste heat recovery system in packaging printing according to the present invention;

fig. 4 is a control schematic diagram of the heat source waste heat recovery system in package printing of the present invention.

In the figure: 1. a boiler body; 2. a conduit; 5. a plugging device; 6. a heat exchange device; 7. discharging the smoke tube; 8. a first solenoid valve; 9. a temperature detector; 10. a second solenoid valve; 11. a condensed water injection device; 12. a heat storage water tank; 13. a thermometer; 14. a first valve; 15. a second valve; 16. deoxidizing box; 17. a first vertical plate; 18. a second vertical plate; 19. a partition plate; 20. circulating spiral liquid guide tube.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are only used for convenience of expression and should not be understood as limitations to the embodiments of the present invention, and the following embodiments do not describe any more.

The terms of direction and position in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the invention.

Example (b): as shown in fig. 1, fig. 2, fig. 3, and fig. 4, the heat source waste heat recovery system for package printing of the present invention includes a boiler body 1, a smoke exhaust pipe is fixedly disposed on the boiler body 1, the smoke exhaust pipe includes three sections of guide pipes 2, a heat exchanging device 6, a temperature detector 9, a smoke outlet pipe 7 and a second electromagnetic valve 10 are sequentially and fixedly disposed on the guide pipes 2, the temperature detector 9 is disposed between the heat exchanging device 6 and the smoke outlet pipe 7, a temperature sensing head of the temperature detector 9 is inserted into the guide pipe 2, the temperature detector 9 is fixedly disposed on a bottom surface of the guide pipe 2, the smoke outlet pipe 7 is fixedly disposed on a top surface of the guide pipe 2, a first electromagnetic valve 8 is fixed on the smoke outlet pipe 7, and a second electromagnetic valve 10 is disposed on the other side of the smoke outlet pipe 7; the input end of the heat exchange device 6 is fixedly connected with the condensed water injection device 11, and the output end of the heat exchange device 6 is fixedly connected with the heat storage water tank 12.

The three sections of the guide pipelines 2 are fixedly connected through sealing flanges and bolts, the tail end of the last guide pipeline 2 is fixedly connected with a plugging device 5, a heat insulation layer is fixedly arranged on the outer side of the guide pipeline 2, and the heat insulation layer sequentially wraps the outer surface of the pipeline 2 from inside to outside and consists of an aluminum silicate fiber felt, an iron wire mesh and a jacket.

Wherein, plugging device 5 includes the screw sleeve, and the screw sleeve passes through sealing flange and bolt and pipe 2 fixed connection, and threaded sleeve spiro union has sealed lid.

Wherein, heat transfer device 6 includes first riser 17 and second riser 18, and first riser 17 and second riser 18 laminate respectively and fix bottom surface and interior top surface in conduit 2, and first riser 17 and second riser 18 highly are less than the conduit 2 internal diameter, and from the top down crisscross a plurality of baffles 19 of fixedly connected with in proper order between first riser 17 and the second riser 18, baffle 19 is equipped with circulation spiral catheter 20 on the surface.

Wherein, the circulation spiral liquid guiding pipe 20 adopts a copper guiding pipe, the input end of the circulation spiral liquid guiding pipe 20 is fixedly connected with the condensed water injection device 11, and the output end of the circulation spiral liquid guiding pipe 20 is fixedly connected with the heat storage water tank 12.

Wherein, heat storage water tank 12 is last to be fixed to be equipped with thermometer 13, and heat storage water tank 12 is fixed to be equipped with two drain pipes, and fixed mounting has first valve 14 and second valve 15 respectively on two drain pipes, and 16 input end fixed connection of one of them drain pipe output and deoxidization case, 16 output and boiler body 1 fixed connection of deoxidization case.

The temperature detector 9 is in transmission and electrical connection with a central controller, and the central controller is in transmission and electrical connection with the first electromagnetic valve 8 and the second electromagnetic valve 10 respectively.

The working principle is as follows:

when the heat-storage water tank is used, high-temperature flue gas enters the initial-section guide pipeline 2, and heat energy in the high-temperature flue gas is absorbed by using condensed water in the heat exchange device 6 and directly conveyed to the heat-storage water tank 12 for recycling.

Because heat transfer device 6 includes first riser 17 and second riser 18, from the top down crisscross a plurality of baffles 19 of fixedly connected with in proper order between first riser 17 and the second riser 18, baffle 19 is equipped with circulation spiral catheter 20 on the surface, when high temperature flue gas enters into heat transfer device 6 like this, can be because of the effect of first riser 17 and second riser 18, and a plurality of baffles 19's effect, make high temperature flue gas flow speed slow down, simultaneously because baffle 19 is equipped with circulation spiral catheter 20 on the surface, make the comdenstion water in the circulation spiral catheter 20 can the biggest area contact with high temperature flue gas, and circulation spiral catheter 20 adopts copper pipe, make whole heat transfer process more high-efficient quick like this, heat exchange efficiency has been guaranteed.

Because fixed heat transfer device 6, temperature detect meter 9, play tobacco pipe 7 and the second solenoid valve 10 of being equipped with in proper order on the pipeline 2, so the high temperature flue gas is after heat transfer device 6 absorbs the heat, and temperature detect meter 9 can detect, will detect data transmission to central controller on, central controller carries out analysis processes:

if the temperature reaches the set temperature value or is lower than the set temperature value, the first electromagnetic valve 8 is directly controlled, so that the smoke is discharged through the smoke outlet pipe 7, and meanwhile, a filtering device is arranged in the smoke outlet pipe 7, so that the smoke can be filtered, and the environment pollution is prevented;

if the temperature value is higher than the set temperature value, the second electromagnetic valve 10 is directly controlled, so that the high-temperature flue gas is conveyed to enter the middle section guide pipeline 2, and the heat exchange treatment is continued.

And whole exhaust pipe includes three sections pipeline 2, can control three first solenoid valve 8 and three second solenoid valve 10 respectively like this according to central controller, guaranteed the thermal rate of recovery of high temperature flue gas, practice thrift a large amount of energy, simultaneously because through sealed flange and bolt fixed connection between the three sections pipeline 2, wherein last 2 terminal fixedly connected with plugging device 5 of pipeline, so can be according to the difference of operating mode, change 2 quantity of pipeline, make whole device use more convenient like this.

The heat has been absorbed to the condensate water in heat transfer device 6, carry heat storage water tank 12, because the fixed thermometer 13 that is equipped with on the heat storage water tank 12, the temperature that shows through thermometer 13, select to open first valve 14, make hot water advance to pass through deoxidization case 16 and return boiler body 1, realize preheating to boiler body 1 water, also can effective energy saving, simultaneously can effectively reduce the influence of cooling step down in the twinkling of an eye that causes because of cold water injection furnace body, can last, stable production heat energy steam, and realize the heat energy transfer, effectively promote the promotion of production efficiency, the expected promotion productivity is about 10% -20%, or open second valve 15, the direct heat supply pipeline of carrying realizes heating, can also carry and use on other needs heating equipment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat source waste heat recovery system in packaging and printing comprises a boiler body (1), wherein a smoke exhaust pipeline is fixedly arranged on the boiler body (1), it is characterized in that the smoke exhaust pipeline comprises three sections of guide pipelines (2), a heat exchange device (6), a temperature detector (9), a smoke outlet pipe (7) and a second electromagnetic valve (10) are sequentially and fixedly arranged on the guide pipelines (2), a temperature detector (9) is arranged between the heat exchange device (6) and the smoke outlet pipe (7), the temperature sensing head of the temperature detector (9) is inserted into the conduit (2) and the temperature detector (9) is fixedly arranged on the bottom surface of the conduit (2), the smoke outlet pipe (7) is fixedly arranged on the top surface of the guide pipeline (2), a first electromagnetic valve (8) is fixed on the smoke outlet pipe (7), and a second electromagnetic valve (10) is arranged on the other side of the smoke outlet pipe (7);

the input end of the heat exchange device (6) is fixedly connected with the condensed water injection device (11), and the output end of the heat exchange device (6) is fixedly connected with the heat storage water tank (12).

2. The heat source waste heat recovery system in packaging and printing as claimed in claim 1, wherein three sections of the conduits (2) are fixedly connected through sealing flanges and bolts, wherein the end of the last conduit (2) is fixedly connected with a plugging device (5), the outer side of the conduit (2) is fixedly provided with a heat insulation layer, and the heat insulation layer sequentially wraps the aluminum silicate fiber felt, the wire mesh and the jacket on the outer surface of the conduit (2) from inside to outside.

3. The heat source waste heat recovery system in packaging printing according to claim 2, wherein the plugging device (5) comprises a threaded sleeve, the threaded sleeve is fixedly connected with the conduit (2) through a sealing flange and a bolt, and a sealing cover is screwed in the threaded sleeve.

4. The heat source waste heat recovery system in packaging and printing as claimed in claim 3, wherein the heat exchanger (6) comprises a first vertical plate (17) and a second vertical plate (18), the first vertical plate (17) and the second vertical plate (18) are respectively attached and fixed to the inner bottom surface and the inner top surface of the conduit (2), the first vertical plate (17) and the second vertical plate (18) are highly smaller than the inner diameter of the conduit (2), a plurality of partition plates (19) are fixedly connected between the first vertical plate (17) and the second vertical plate (18) in a staggered mode from top to bottom in sequence, and a circulating spiral liquid guide pipe (20) is arranged on the surface of each partition plate (19).

5. The heat source waste heat recovery system in packaging printing according to claim 4, wherein the circulation spiral liquid guide tube (20) is a copper pipe, the input end of the circulation spiral liquid guide tube (20) is fixedly connected with the condensed water injection device (11), and the output end of the circulation spiral liquid guide tube (20) is fixedly connected with the hot water storage tank (12).

6. The heat source waste heat recovery system in packaging and printing according to claim 5, wherein a thermometer (13) is fixedly arranged on the heat storage water tank (12), two liquid outlet pipes are fixedly arranged on the heat storage water tank (12), a first valve (14) and a second valve (15) are respectively and fixedly arranged on the two liquid outlet pipes, an output end of one of the liquid outlet pipes is fixedly connected with an input end of the deoxidizing box (16), and an output end of the deoxidizing box (16) is fixedly connected with the boiler body (1).

7. The heat source waste heat recovery system in packaging printing according to claim 6, wherein the temperature detector (9) is in transmission electrical connection with a central controller, and the central controller is in transmission electrical connection with the first solenoid valve (8) and the second solenoid valve (10) respectively.