CN212720302U

CN212720302U - Hot air supply energy-saving system of cellulose acetate spinning station

Info

Publication number: CN212720302U
Application number: CN202021266945.5U
Authority: CN
Inventors: 叶兆清; 叶小波; 胡志钢; 周全林
Original assignee: Hubei Xinyang Special Fiber Co ltd
Current assignee: Hubei Xinyang Special Fiber Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-03-16
Anticipated expiration: 2030-07-02

Abstract

The utility model provides a hot-blast supply economizer system of cellulose acetate spinning station, the steam pipe of steam stove links to each other with the heat dissipation coil pipe import of coil pipe heat exchanger, the export of heat dissipation coil pipe links to each other through the water inlet of first communicating pipe with first heat exchanger, the delivery port of first heat exchanger passes through the water inlet of second communicating pipe with the second heat exchanger and links to each other, the delivery port of second heat exchanger links to each other with the humidifier, the heat transfer chamber import of second heat exchanger links to each other with first air-blower, the heat transfer chamber export of second heat exchanger links to each other through the air inlet of first trachea with the coil pipe heat exchanger, the gas outlet of coil pipe heat exchanger links to each other through the spinning corridor of second trachea and draught fan with spinning equipment. The energy-saving system can be used for supplying hot air to a spinning station in the cellulose acetate spinning process, and the heat energy generated in the process is recycled, so that the aim of saving energy is fulfilled.

Description

Hot air supply energy-saving system of cellulose acetate spinning station

Technical Field

The utility model belongs to chemical fibre spinning equipment field especially relates to hot-blast supply economizer system of cellulose acetate spinning station.

Background

A hot air system is needed in a spinning station in the cellulose acetate spinning process, in the specific spinning process, indoor air is heated by a steam coil after being filtered, and hot air is fed from the top of a spinning machine channel through an air duct, flows downwards through the channel and is exhausted from a front air outlet at the lower part of each channel.

In the above hot air supply process, there is a disadvantage in that, since it uses steam of about 150 ℃ and the steam coil directly heats the air of about 27 ℃ in the room, the heated hot air of about 90 ℃ is directly used in the spinning process of the spinning machine and is directly discharged, and the steam of the heated air is directly discharged after being condensed to reduce the temperature, and the water temperature is about 80 ℃. This results in a loss and waste of heat energy.

SUMMERY OF THE UTILITY MODEL

For solving above technical problem, the utility model provides a cellulose acetate spinning station's hot-blast supply economizer system, this economizer system can be used for cellulose acetate spinning process, and spinning station's hot-blast supply, the heat energy reuse who produces in this process moreover to reach energy-conserving purpose.

In order to realize the technical characteristics, the purpose of the utility model is realized as follows: cellulose acetate spinning station's hot-blast supply economizer system, it includes the steam stove, the steam pipe of steam stove links to each other with the heat dissipation coil pipe import of coil pipe heat exchanger, the export of heat dissipation coil pipe links to each other through the water inlet of first communicating pipe with first heat exchanger, the delivery port of first heat exchanger passes through the second and links to each other with the water inlet of second heat exchanger communicating pipe, the delivery port of second heat exchanger links to each other with the humidifier, the heat transfer chamber import of second heat exchanger links to each other with first air-blower, the heat transfer chamber export of second heat exchanger links to each other through the air inlet of first trachea with coil pipe heat exchanger, the gas outlet of coil pipe heat exchanger links to each other through the spinning stack way of second trachea and draught fan with spinning.

And the steam pipe is provided with a steam control valve.

And a first valve is arranged on the first communicating pipe.

And a second valve is arranged on the second communicating pipe.

The humidifier is connected with a humidifying pipe arranged inside the plant.

And the inlet of the heat exchange cavity of the first heat exchanger is connected with the second air blower, and the outlet of the heat exchange cavity of the first heat exchanger is connected with the air inlet of the coil heat exchanger through a third air pipe.

And a third valve is arranged on the third air pipe.

And a fourth valve is arranged between the second heat exchanger and the humidifier.

The utility model discloses there is following beneficial effect:

1. the energy-saving system can be used for supplying hot air to a spinning station in the cellulose acetate spinning process, and the heat energy generated in the process is recycled, so that the aim of saving energy is fulfilled.

2. Through foretell multistage heat transfer can utilize heat energy as far as, avoid extravagant, carry out make full use of to the water resource in the heat transfer process moreover.

3. The first heat exchanger and the second heat exchanger preheat air by utilizing waste heat and send the preheated air to the coil heat exchanger, so that high energy consumption for directly heating the air is effectively reduced.

4. The humidifier is sent into through the water after will finally cooling down and can carry out the humidification to the air of factory building inside to satisfy spinning technology's needs, finally practiced thrift the water resource.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a system diagram of the present invention.

In the figure: the device comprises a steam furnace 1, a steam pipe 2, a steam control valve 3, a coil heat exchanger 4, a heat dissipation coil 5, a second air pipe 6, an induced draft fan 7, spinning equipment 8, a second air blower 9, a first valve 10, a first communicating pipe 11, a first heat exchanger 12, a third air pipe 13, a third valve 14, a first air pipe 15, a second communicating pipe 16, a second valve 17, a second heat exchanger 18, a humidifying pipe 19, a first air blower 20, a fourth valve 21 and a humidifier 22.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

Referring to fig. 1, the hot air supply energy-saving system of the cellulose acetate spinning station comprises a steam furnace 1, a steam pipe 2 of the steam furnace 1 is connected with an inlet of a heat dissipation coil pipe 5 of a coil pipe heat exchanger 4, an outlet of the heat dissipation coil pipe 5 is connected with a water inlet of a first heat exchanger 12 through a first communicating pipe 11, a water outlet of the first heat exchanger 12 is connected with a water inlet of a second heat exchanger 18 through a second communicating pipe 16, a water outlet of the second heat exchanger 18 is connected with a humidifier 22, an inlet of a heat exchange cavity of the second heat exchanger 18 is connected with a first air blower 20, an outlet of the heat exchange cavity of the second heat exchanger 18 is connected with an air inlet of the coil pipe heat exchanger 4 through a first air pipe 15, and an air outlet of the coil pipe heat exchanger 4 is connected with a spinning stack of a spinning device 8. The energy-saving system can be used for supplying hot air to a spinning station in the cellulose acetate spinning process, and the heat energy generated in the process is recycled, so that the aim of saving energy is fulfilled.

Further, a steam control valve 3 is installed on the steam pipe 2. Can be used to control the supply of steam by means of the steam control valve 3.

Further, a first valve 10 is installed on the first communication pipe 11. The first valve 10 can be used to control the opening and closing of the first communication pipe 11.

Further, a second valve 17 is mounted on the second communication pipe 16. The supply of hot water to the second heat exchanger 18 can be controlled by means of the second valve 17.

Further, the humidifier 22 is connected with a humidifying pipe 19 arranged inside the plant. The humidifying pipe 19 is scattered inside the plant, and the purpose of humidifying the plant is achieved.

Further, an inlet of a heat exchange cavity of the first heat exchanger 12 is connected with the second air blower 9, and an outlet of the heat exchange cavity of the first heat exchanger 12 is connected with an air inlet of the coil heat exchanger 4 through a third air pipe 13.

Further, a third valve 14 is installed on the third air pipe 13. The supply of air after preheating can be controlled by means of the third valve 14 described above.

Further, a fourth valve 21 is installed between the second heat exchanger 18 and the humidifier 22. The supply of water to the humidifier 22 can be controlled by the fourth valve 21.

The utility model discloses a working process and principle do:

in the specific use process, hot steam is supplied to the coil heat exchanger 4 through the steam furnace 1, and then the air is subjected to heat exchange through the coil heat exchanger 4, and enters a spinning channel of a spinning machine 8 after reaching a preset temperature of 90 ℃, so that spinning is realized; the steam after heat exchange enters a first heat exchanger 12 through a first communicating pipe 11 after being condensed, the air introduced into the steam after heat exchange through the first heat exchanger 12 is heated, the heated air enters a first air pipe 15 of the coil heat exchanger 4 through a third air pipe 13, and the air entering the coil heat exchanger 4 at this moment is preheated air;

the hot water after the heat exchange of the first heat exchanger 12 is sent to the second heat exchanger 18, the air sent to the interior of the second heat exchanger 18 is preheated, the preheated air also enters the first air pipe 15 of the cylinder into the coil heat exchanger 4, the water passing through the second heat exchanger 18 enters the humidifier, and the interior of the plant is humidified through the humidifier.

Claims

1. Hot-blast supply economizer system of cellulose acetate spinning station, its characterized in that: it comprises a steam furnace (1), a steam pipe (2) of the steam furnace (1) is connected with an inlet of a heat dissipation coil pipe (5) of a coil pipe heat exchanger (4), the outlet of the heat radiation coil (5) is connected with the water inlet of the first heat exchanger (12) through a first communicating pipe (11), the water outlet of the first heat exchanger (12) is connected with the water inlet of the second heat exchanger (18) through a second communicating pipe (16), the water outlet of the second heat exchanger (18) is connected with a humidifier (22), the inlet of the heat exchange cavity of the second heat exchanger (18) is connected with a first blower (20), the outlet of the heat exchange cavity of the second heat exchanger (18) is connected with the air inlet of the coil heat exchanger (4) through a first air pipe (15), and the air outlet of the coil heat exchanger (4) is connected with a spinning channel of a spinning device (8) through a second air pipe (6) and an induced draft fan (7).

2. The hot air supply energy-saving system of the cellulose acetate spinning station according to claim 1, characterized in that: and a steam control valve (3) is arranged on the steam pipe (2).

3. The hot air supply energy-saving system of the cellulose acetate spinning station according to claim 1, characterized in that: and a first valve (10) is arranged on the first communicating pipe (11).

4. The hot air supply energy-saving system of the cellulose acetate spinning station according to claim 1, characterized in that: and a second valve (17) is arranged on the second communicating pipe (16).

5. The hot air supply energy-saving system of the cellulose acetate spinning station according to claim 1, characterized in that: the humidifier (22) is connected with a humidifying pipe (19) arranged inside the plant.

6. The hot air supply energy-saving system of the cellulose acetate spinning station according to claim 1, characterized in that: and an inlet of a heat exchange cavity of the first heat exchanger (12) is connected with the second air blower (9), and an outlet of the heat exchange cavity of the first heat exchanger (12) is connected with an air inlet of the coil heat exchanger (4) through a third air pipe (13).

7. The hot air supply energy-saving system of the cellulose acetate spinning station according to claim 6, characterized in that: and a third valve (14) is arranged on the third air pipe (13).

8. The hot air supply energy-saving system of the cellulose acetate spinning station according to claim 1, characterized in that: and a fourth valve (21) is arranged between the second heat exchanger (18) and the humidifier (22).