CN210833153U

CN210833153U - Flue gas recovery device for glass fiber production line

Info

Publication number: CN210833153U
Application number: CN201921389569.6U
Authority: CN
Inventors: 沈力; 黄益明; 黄锦明
Original assignee: Wuxi Yiming Glass Fiber Co ltd
Current assignee: Wuxi Yiming Glass Fiber Co ltd
Priority date: 2019-08-24
Filing date: 2019-08-24
Publication date: 2020-06-23
Anticipated expiration: 2029-08-24

Abstract

The utility model discloses a glass fiber production line flue gas recovery unit belongs to glass fiber production line corollary equipment field, and its technical scheme main points are including the aspiration channel, the aspiration channel is installed on the production line, the tip of aspiration channel is provided with the air suction fill, the air suction fill is located the production line directly over, be connected with the waste heat recovery case that is used for retrieving the flue gas waste heat on the aspiration channel, install the water tank on the waste heat recovery case, waste heat recovery case and water tank mutual independence are provided with a plurality of heat exchange tubes in the waste heat recovery case, a part of heat exchange tube is located the waste heat recovery case, another part of heat exchange tube is located the water tank, and this kind of glass fiber production line flue gas recovery unit's advantage lies in the heat in the ability recycle flue gas effectively.

Description

Flue gas recovery device for glass fiber production line

Technical Field

The utility model relates to a glass fiber production line corollary equipment, in particular to glass fiber production line flue gas recovery unit.

Background

The glass fiber paper is a thin paper made of glass fibers with small diameters, has good dimensional stability, high chemical agent resistance, strong weather resistance and good incombustibility, and is a common fiber material. The glass fiber has a diameter of 0.3-0.5 μm or less, is mainly composed of silicon dioxide, and is made by lightly beating, adding adhesive, or adding part of chemical wood pulp, and making paper on fourdrinier paper machine or cylinder paper machine, or adding silica gel or colloidal alumina for improving strength. Glass fiber tapes are currently produced generally using glass fiber production lines.

Chinese patent No. CN109051932A discloses a continuous production line of glass fiber mat, which comprises a cutting device of glass fiber yarn group, a settling chamber, a water spraying device, a dusting device, a drying device, a compacting cutting device, a winding device, and a packaging mechanism, which are arranged in sequence. The glass fiber yarn group is formed into a glass fiber felt roll through a cutting device, a settling chamber, a water spraying device, a powder scattering device, a drying device, a compaction cutting device, a detection device and a winding device, and the glass fiber felt roll is packaged in a paper box through a packaging mechanism. The electrified control of the inflatable shaft is changed among at least three stations through the winding device, so that the manpower input is reduced, and the working efficiency is improved.

Although the glass fiber mat continuous production line can complete the production of the glass fiber mat, in the actual use process, the drying device generally uses a gas furnace to provide a heat source for drying, the gas furnace can generate flue gas, the temperature of the flue gas is high, the flue gas has certain heat, and the heat in the flue gas cannot be recycled.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a glass fiber production line flue gas recovery unit, its advantage lies in the heat in the ability recycle flue gas effectively.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a glass fiber production line flue gas recovery unit, includes the aspiration channel, the aspiration channel is installed on the production line, the tip of aspiration channel is provided with the air suction fill, the air suction fill is located the production line directly over, be connected with the waste heat recovery case that is used for retrieving the flue gas waste heat on the aspiration channel, install the water tank on the waste heat recovery case, waste heat recovery case and water tank mutual independence are provided with a plurality of heat exchange tubes in the waste heat recovery case, some of heat exchange tube is located the waste heat recovery case, another part of heat exchange tube is for being located the water tank.

Through adopting above-mentioned technical scheme, the glass fiber production line can produce the flue gas in work, and the air exhauster starts the extraction air this moment, makes the inside negative pressure state that is in of induced draft pipe, and the flue gas can be inhaled and induced draft and fight, and later the flue gas passes through waste heat recovery case, and the heat exchange tube in the waste heat recovery case can absorb the heat in the flue gas, and the heat of heat exchange tube is absorbed to the water in the water tank, and the heat of flue gas is with water heating promptly, can recycle the heat in the flue gas effectively.

Furthermore, the heat exchange tubes are arranged in a shape of a Chinese character 'hui', and all the heat exchange tubes are uniformly arranged along the length direction of the waste heat recovery tank.

Through adopting above-mentioned technical scheme, the surface area of heat exchange tube is big to the heat exchange tube has more contact opportunities with flue gas and water, is favorable to the heat of recycle flue gas.

Furthermore, a copper core is arranged in the heat exchange tube and located inside the heat exchange tube, and the copper core is arranged along the direction of the heat exchange tube.

By adopting the technical scheme, the heat exchange capacity of the heat exchange tube can be further improved due to the high heat conductivity of the copper core.

Furthermore, the air inlet end of the waste heat recovery tank is connected with a filter tank, the filter tank is located between the air suction hopper and the waste heat recovery tank, and a plurality of dust removal bags are arranged in the filter tank.

Through adopting above-mentioned technical scheme, because have a quantitative dust in the flue gas, the flue gas is through the rose box, and the dust is filtered by the dust pocket, improves the cleanliness factor of flue gas, gets into the flue gas dust of waste heat recovery case, avoids too much dust adhesion to influence the heat exchange tube heat absorption on the heat exchange tube.

Further, the dust removal bags are evenly arranged along the length direction of the filter box and are vertically arranged.

Through adopting above-mentioned technical scheme, in the flue gas entered into the rose box, the flue gas flowed along the length direction of rose box, and the flue gas passes through a plurality of dust pockets in proper order, and the dust particle that the flue gas was dashed can depend on the dust pocket, improves the cleanliness factor of flue gas.

Furthermore, it is a plurality of to open on the top surface of rose box inner chamber and the bottom surface has the spacing groove, the length direction of spacing groove along the rose box is evenly arranged, the broadside of spacing groove and rose box is parallel to each other, be provided with on the top surface of dust bag and the bottom surface with spacing groove grafting complex spacing.

Through adopting above-mentioned technical scheme, when installing the dust excluding bag, during the staff inserted corresponding spacing groove with spacing, spacing and spacing groove cooperation played the fixed action, prevented that the dust excluding bag from moving along rose box length direction.

Furthermore, the side of rose box articulates there are a plurality of maintenance doors, maintenance door and dust pocket one-to-one.

Through adopting above-mentioned technical scheme, after every work a period, the staff opens the maintenance door, takes out the dust bag and changes.

Further, be connected with the processing case that is arranged in handling the harmful impurity in the flue gas on the aspiration channel, be provided with a plurality of filters in the processing case, the filter is evenly arranged along the length direction who handles the case, it has the round hole that is even array arrangement to open on the filter, set up the active carbon adsorption piece in the round hole.

Through adopting above-mentioned technical scheme, activated carbon adsorption piece itself is fine and close porous structure, has good adsorption efficiency, and the flue gas passes through a plurality of filters in proper order, and the flue gas passes activated carbon adsorption piece promptly, and the further purification flue gas of impurity that adsorbs of activated carbon adsorption piece.

To sum up, the utility model discloses following beneficial effect has:

1. the exhaust fan is started to extract air, so that the interior of the air suction pipe is in a negative pressure state, the smoke can be sucked into the air suction hopper, then the smoke passes through the filter box to remove dust in the smoke, then the smoke passes through the waste heat recovery box, the waste heat recovery box can absorb and utilize heat of the smoke, finally the smoke is treated to remove harmful gas in the smoke through the treatment box, and finally a chimney discharges low-temperature clean gas, so that the environment is protected;

2. the high-temperature flue gas enters the waste heat recovery box, the high-temperature flue gas is in contact with the heat exchange tube, the heat exchange tube absorbs the heat of the flue gas, the temperature of the heat exchange tube is increased, the heat exchange tube heats the water in the water tank, and the heat of the flue gas is transferred to the water for storage and utilization.

Drawings

FIG. 1 is a schematic structural diagram of a flue gas recovery device of a glass fiber production line;

FIG. 2 is a schematic diagram of an exploded structure of a flue gas recovery device of a glass fiber production line;

FIG. 3 is an enlarged partial schematic view of FIG. 2 at A;

fig. 4 is a schematic sectional view of the waste heat recovery tank.

In the figure, 1, an air suction pipe; 11. a suction hopper; 12. a waste heat recovery tank; 121. a heat exchange pipe; 122. a copper core; 13. a water tank; 14. a filter box; 141. a dust removal bag; 142. a limiting groove; 143. a limiting strip; 144. repairing the door; 15. a treatment tank; 151. a filter plate; 152. an activated carbon adsorption block; 16. an exhaust fan; 17. and (4) a chimney.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a glass fiber production line flue gas recovery device, as shown in figure 1, the flue gas recovery device is installed on a glass fiber production line, the flue gas recovery device comprises an air suction pipe 1, a filter box 14 used for filtering dust in flue gas, a waste heat recovery box 12 used for recovering heat of the flue gas, a treatment box 15 used for treating harmful impurities in the flue gas, an exhaust fan 16 and a chimney 17 are sequentially arranged on the air suction pipe 1, when the device works, the exhaust fan 16 is started, the flue gas generated by the glass fiber production line is sucked into the air suction pipe 1, then the flue gas sequentially passes through the filter box 14, the waste heat recovery box 12 and the treatment box 15, and finally clean gas is discharged from the chimney 17.

As shown in fig. 2, the end of the air suction pipe 1 is provided with an air suction hopper 11, the air suction hopper 11 is located right above the production line, the air suction hopper 11 is in a quadrangular frustum pyramid shape, and the size of the air suction hopper 11 is gradually reduced from bottom to top. When the smoke exhaust ventilator works, the exhaust fan 16 is started to enable the air suction pipe 1 to be in a negative pressure state, namely the interior of the air suction hopper 11 is also in a negative pressure state, and the air suction hopper 11 sucks smoke into the air suction pipe 1.

As shown in fig. 2, a plurality of dust bags 141 are provided in the filter box 14, the dust bags 141 are vertically provided, and all the dust bags 141 are uniformly arranged along the length direction of the filter box 14.

Referring to fig. 2 and 3, the top surface and the bottom surface of the inner cavity of the filter box 14 are both provided with a plurality of limiting grooves 142, the limiting grooves 142 are uniformly arranged along the length direction of the filter box 14, and the limiting grooves 142 are parallel to the wide side of the filter box 14. The top surface and the bottom surface of the dust bag 141 are provided with a limiting strip 143 which is matched with the limiting groove 142 in an inserting manner, the cross section of the limiting groove 142 is rectangular, and the limiting groove 142 and the limiting strip 143 have the same appearance. When installing dust bag 141, insert spacing strip 143 in spacing groove 142 can, the installation is simple to spacing strip and spacing groove joint cooperation prevent that dust bag 141 from moving along rose box 14 length direction because of the air current effect.

As shown in fig. 2, the side of the filter box 14 is hinged with a plurality of maintenance doors 144, and the maintenance doors 144 correspond to the dust bags 141 one by one. In normal operation, the service door 144 is closed. After each period of time, the worker opens the service door 144 and replaces the dust bag 141 from the filter box 14.

During operation, the flue gas flows into the filter box 14 and passes through the dust removal bags 141 in sequence, and the dust removal bags 141 can filter dust in the flue gas, so that the cleanliness of the flue gas is improved.

As shown in fig. 2, a water tank 13 is mounted on the waste heat recovery tank 12, the water tank 13 is disposed right above the waste heat recovery tank 12, and the waste heat recovery tank 12 and the water tank 13 are independent from each other. Two pipelines are respectively arranged on two end faces of the water tank 13, wherein one pipeline is used as a water inlet pipe, and the other pipeline is used as a water outlet pipe.

As shown in fig. 2, a plurality of heat exchange tubes 121 are arranged in the waste heat recovery tank 12, one part of the heat exchange tubes 121 are located in the waste heat recovery tank 12, the other part of the heat exchange tubes 121 are located in the water tank 13, the heat exchange tubes 121 are arranged in a zigzag shape, all the heat exchange tubes 121 are uniformly arranged along the length direction of the waste heat recovery tank 12, and in order to increase the contact area between the flue gas and the heat exchange tubes 121, the heat exchange tubes 121 are beneficial to absorbing the heat of the flue gas; and the contact area between the heat exchange pipe 121 and the water in the water tank 13 is increased, which is beneficial to the heat absorption of the water in the water tank 13 on the heat exchange pipe. During operation, the flue gas moves along the length direction of the waste heat recovery tank 12, the flue gas passes through the plurality of heat exchange tubes 121, the heat of the flue gas is absorbed by the heat exchange tubes 121, and then the heat of the heat exchange tubes 121 is transferred to tap water in the water tank 13, so that the waste heat recovery process is completed.

As shown in fig. 4, a copper core 122 is disposed in the heat exchange tube 121, the copper core 122 is located inside the heat exchange tube 121, and the copper core 122 is disposed along the heat exchange tube 121, so that the heat exchange capacity of the heat exchange tube 121 is further improved due to the good thermal conductivity of the copper core 122 itself.

As shown in FIG. 2, a plurality of filter plates 151 are disposed in the treatment tank 15, the filter plates 151 are uniformly arranged along the length direction of the treatment tank 15, round holes are uniformly arranged on the filter plates 151 in an array, activated carbon adsorption blocks 152 subjected to alkaline treatment are disposed in the round holes, and the activated carbon adsorption blocks 152 are fine porous structures and have good adsorption performance. In the work, the flue gas can pass through a plurality of filter 151 in proper order, and when the flue gas passes through activated carbon adsorption piece 152, activated carbon adsorption piece 152 can further adsorb the impurity in the flue gas, further improves the flue gas cleanliness factor.

As shown in fig. 2, the chimney 17 is made of stainless steel, and since the stainless steel has good mechanical properties and high strength, the chimney 17 is not easily bent and deformed, and the service life of the chimney 17 is prolonged.

The specific implementation process comprises the following steps: the exhaust fan 16 is started to extract air, so that the interior of the air suction pipe 1 is in a negative pressure state, the flue gas can be sucked into the air suction hopper 11, then the flue gas passes through the filter box 14 to remove dust in the flue gas, then the flue gas passes through the waste heat recovery box 12, the waste heat recovery box 12 can absorb and utilize heat of the flue gas, finally the flue gas passes through the treatment box 15 to remove harmful gas in the flue gas, and finally the chimney 17 discharges low-temperature clean gas, so that the environment protection is facilitated.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a glass fiber production line flue gas recovery unit, includes aspiration channel (1), aspiration channel (1) is installed on the production line, the tip of aspiration channel (1) is provided with air suction hopper (11), air suction hopper (11) are located the production line directly over, its characterized in that: be connected with waste heat recovery case (12) that are used for retrieving the flue gas waste heat on aspiration channel (1), install water tank (13) on waste heat recovery case (12), waste heat recovery case (12) and water tank (13) mutual independence are provided with a plurality of heat exchange tubes (121) in waste heat recovery case (12), partly in waste heat recovery case (12) of heat exchange tube (121), another part of heat exchange tube (121) is for being located water tank (13).

2. The glass fiber production line flue gas recovery device of claim 1, wherein: the heat exchange tubes (121) are arranged in a shape of a Chinese character 'hui', and all the heat exchange tubes (121) are uniformly arranged along the length direction of the waste heat recovery tank (12).

3. The glass fiber production line flue gas recovery device of claim 2, wherein: a copper core (122) is arranged in the heat exchange tube (121), the copper core (122) is located inside the heat exchange tube (121), and the copper core (122) is arranged along the direction of the heat exchange tube (121).

4. The glass fiber production line flue gas recovery device of claim 3, wherein: the air inlet end of the waste heat recovery box (12) is connected with a filter box (14), the filter box (14) is located between the air suction hopper (11) and the waste heat recovery box (12), and a plurality of dust removing bags (141) are arranged in the filter box (14).

5. The glass fiber production line flue gas recovery device of claim 4, wherein: the dust removal bags (141) are uniformly arranged along the length direction of the filter box (14), and the dust removal bags (141) are vertically arranged.

6. The glass fiber production line flue gas recovery device of claim 5, wherein: it is a plurality of to open on the top surface and the bottom surface of filter box (14) inner chamber has spacing groove (142), spacing groove (142) are evenly arranged along the length direction of filter box (14), the broadside of spacing groove (142) and filter box (14) is parallel to each other, be provided with on the top surface and the bottom surface of dirt pocket (141) with spacing groove (142) grafting complex spacing strip (143).

7. The glass fiber production line flue gas recovery device of claim 6, wherein: the side of the filter box (14) is hinged with a plurality of maintenance doors (144), and the maintenance doors (144) correspond to the dust removal bags (141) one by one.

8. The glass fiber production line flue gas recovery device of claim 1, wherein: be connected with on aspiration channel (1) and be used for handling harmful impurity's processing case (15) in the flue gas, be provided with a plurality of filters (151) in handling case (15), filter (151) are evenly arranged along the length direction who handles case (15), it has the round hole that is even array arrangement to open on filter (151), be provided with activated carbon adsorption block (152) in the round hole.