CN204662174U - A kind of drying cylinder high-efficiency steam cyclic utilization system - Google Patents

Abstract

The utility model discloses a high-efficiency recycling system for drying cylinder steam, which comprises a steam injector arranged at the inlet of the drying cylinder and a steam-water separator arranged at the outlet of the drying cylinder. The steam injector adjusts the pressure of the steam and enters the input Drying cylinder, the steam-water mixture generated in the drying cylinder enters the steam-water separator, the steam outlet of the steam-water separator is connected with the steam injector, and the steam separated by the steam-water separator enters the steam injector again, forming a high-speed circulation under the action of the imported steam system. The utility model is provided with a steam injector at the inlet of the drying cylinder, and a steam-water separator at the outlet. The steam enters the drying cylinder after adjusting the pressure through the steam injector, and the steam-water mixture at the outlet of the drying cylinder enters the steam-water separator, and the steam separated by the steam-water separator enters again. The steam ejector forms a high-speed circulation system under the action of imported steam; it can not only prevent water accumulation in the drying cylinder, but also steam can be recycled, thereby saving energy, improving production efficiency and reducing production costs.

Description

A high-efficiency recycling system for drying cylinder steam

technical field

The utility model belongs to the technical field of energy recycling, in particular to a drying cylinder steam efficient recycling system.

Background technique

At present, manual cut-off valves are generally used to adjust the steam inlet pressure of the dryer. The steam enters the dryer and condenses into water, which is sucked out by the siphon and discharged through the steam trap. Steam locks often occur, resulting in poor drainage and water accumulation in the dryer. Affect production, and steam trap leakage often occurs, causing serious steam waste, increasing production costs and polluting the environment.

Utility model content

In order to solve the defects and deficiencies in the above-mentioned prior art, the utility model provides a drying cylinder steam that can prevent the accumulation of water in the drying cylinder, and the steam can be recycled, thereby saving energy, improving production efficiency, and reducing production costs. Efficient recycling system.

The technical solution of the utility model: a drying cylinder steam efficient recycling system, including a steam ejector arranged at the inlet of the drying cylinder and a steam-water separator arranged at the outlet of the drying cylinder, the steam ejector adjusts the pressure of the steam Enter the input drying cylinder, the steam-water mixture generated in the drying cylinder enters the steam-water separator, the steam outlet of the steam-water separator is connected with the steam injector, and the steam separated by the steam-water separator enters the steam injector again, and is formed under the action of the inlet steam High-speed circulation system.

The utility model is provided with a steam injector at the inlet of the drying cylinder, and a steam-water separator at the outlet. The steam enters the drying cylinder after adjusting the pressure through the steam injector. The steam-water mixture at the outlet of the drying cylinder enters the steam-water separator, and the steam separated by the steam-water separator is again Entering the steam ejector, a high-speed circulation system is formed under the action of imported steam; not only can it prevent water accumulation in the drying cylinder, but also the steam can be recycled, thereby saving energy, improving production efficiency and reducing production costs.

Preferably, the steam injector is provided with a steam pressure regulating device that automatically adjusts the outlet steam pressure of the steam injector.

The steam pressure regulating device is set so that its steam pressure can be automatically adjusted: automatically adjust the steam flow, pressure and temperature according to the process demand or set value, replacing the throttling and decompression of the original regulating valve.

Preferably, the steam-water separation device is provided with a liquid level gauge, an automatic exhaust valve and an electric drain valve; the electric drain valve is electrically connected to the liquid level gauge.

The utility model is equipped with a liquid level gauge on the steam-water separator to automatically control the drainage of the electric drainage valve, so as to prevent steam leakage during the drainage and drainage process, and at the same time ensure the normal drainage of the drying cylinder and ensure stable production;

Adopting the technical scheme of the utility model can realize the enhanced heat exchange of the drying cylinder: use the power of the steam itself to circulate the steam inside the drying cylinder, increase the steam flow rate, reduce the thickness of the water film inside the drying cylinder, and in addition, the automatic exhaust valve discharges the inside of the drying cylinder Non-condensable gas, so as to improve the total heat transfer coefficient of the dryer, improve heat transfer efficiency, and strengthen heat transfer;

Spent steam recovery can be realized: using the power of the steam itself to circulate the steam while also recovering the secondary steam generated during the discharge of high-temperature condensed water, so that the energy in the steam can be fully and reasonably used in terms of grade and quantity, and improve Heat utilization rate of steam;

System process monitoring can be realized: real-time monitoring of system process makes the control process intelligent and visualized, completely improves the imbalance phenomenon of manual adjustment, facilitates operation and maintenance, optimizes process parameters at the same time, saves energy and reduces consumption.

The utility model is provided with a steam injector at the inlet of the drying cylinder, and a steam-water separator at the outlet. The steam enters the drying cylinder after adjusting the pressure through the steam injector. The steam-water mixture at the outlet of the drying cylinder enters the steam-water separator, and the steam separated by the steam-water separator is again Entering the steam ejector, a high-speed circulation system is formed under the action of imported steam; not only can it prevent water accumulation in the drying cylinder, but also the steam can be recycled, thereby saving energy, improving production efficiency and reducing production costs.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail;

Fig. 1 is the structural representation of the utility model;

In the figure, 1-steam pressure regulating device, 2-steam injector, 3-dryer, 4-steam separator, 5-automatic exhaust valve, 6-liquid level gauge, 7-electric drain valve.

Detailed ways

The utility model will be described in further detail below in conjunction with the accompanying drawings, but it is not a limitation to the protection scope of the utility model.

As shown in Figure 1, a drying cylinder steam efficient recycling system includes a steam ejector 2 arranged at the inlet of the drying cylinder 3 and a steam-water separator 4 arranged at the outlet of the drying cylinder 3, the steam ejector 2 adjusts the steam After the pressure enters into the drying cylinder 3, the steam-water mixture generated in the drying cylinder 3 enters the steam-water separator 4, the steam outlet of the steam-water separator 4 is connected with the steam injector 2, and the steam separated by the steam-water separator 4 enters the steam injector 2 again , A high-speed circulation system is formed under the action of imported steam. The steam injector 2 is provided with a steam pressure regulating device 1 for automatically adjusting the outlet steam pressure of the steam injector 2 . The steam-water separation device 4 is provided with a liquid level gauge 6, an automatic exhaust valve 5 and an electric drain valve 7; the electric drain valve 7 is electrically connected with the liquid level gauge 6.

When the utility model is in use, only need to set the pressure of the drying cylinder, it can be automatically adjusted and operated without other manual operations, the operation is convenient and simple, the labor intensity of workers is reduced, and the efficiency is improved.

The utility model utilizes the power of the steam itself to recycle the secondary steam generated in the process of discharging condensed water, and circulates the steam in the drying cylinder, so as to increase the steam flow rate and thermal efficiency, ensure the normal drainage of the drying cylinder, and eliminate the leakage in the process of water drainage and drainage. Steam leaks to ensure stable production.

The steam pressure regulating device in the utility model is purchased from the market and can automatically adjust the steam flow, pressure and temperature according to the process requirements or set values.

The liquid level meter in the utility model is purchased on the market, and can automatically control the electric control drain valve to drain water according to the set liquid level value.

The utility model is provided with a steam injector at the inlet of the drying cylinder, and a steam-water separator at the outlet. The steam enters the drying cylinder after adjusting the pressure through the steam injector. The steam-water mixture at the outlet of the drying cylinder enters the steam-water separator, and the steam separated by the steam-water separator is again Entering the steam ejector, a high-speed circulation system is formed under the action of imported steam; not only can it prevent water accumulation in the drying cylinder, but also the steam can be recycled, thereby saving energy, improving production efficiency and reducing production costs.

Claims (3)

1. a drying cylinder high-efficiency steam cyclic utilization system, it is characterized in that: it comprises the steam jet ejector (2) being arranged on drying cylinder (3) import department and the steam-water separator (4) being arranged on drying cylinder (3) exit, input drying cylinder (3) is entered after steam is regulated pressure by described steam jet ejector (2), the steam water interface produced in drying cylinder (3) enters steam-water separator (4), the steam port that goes out of described steam-water separator (4) is connected with steam jet ejector (2), the steam that steam-water separator (4) is separated enters steam jet ejector (2) again, the system of high-speed circulating is formed under inlet steam effect.

2. a kind of drying cylinder high-efficiency steam cyclic utilization system according to claim 1, is characterized in that: described steam jet ejector (2) is provided with the steam pressure adjusting device (1) steam pressure of automatic steam regulation injector (2).

3. a kind of drying cylinder high-efficiency steam cyclic utilization system according to claim 2, is characterized in that: described water separator (4) is provided with liquid level gauge (6), automatic exhaust steam valve (5) and electric draining valve (7); Described electric draining valve (7) is electrically connected with liquid level gauge (6).