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Negative pressure suction type steam afterheat recovery device

A steam waste heat and negative pressure suction technology, which is applied to direct contact heat exchangers, heat exchanger types, lighting and heating equipment, etc., can solve the problem of shortening the length of steam outlet pipes, increasing the cost of steam recovery, and increasing steam Pipeline and other issues to achieve the effect of improving energy utilization, increasing profitability, and beautifying the environment

Pending Publication Date: 2018-11-02
连云港久盛电力辅机有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the existing technologies rely on steam pipes to take the initiative to recover steam, which increases the pressure load of steam pipes, and the requirements for the entire steam pipe system are further increased with the high temperature of steam, which virtually increases the cost of steam recovery; Considering or not solving the problem of increasing the pressure load of the steam pipeline, the steam with relatively high pressure and temperature in the system has great safety risks. To resist these risks, most of the system operating costs are increased by increasing the strength design of the pipeline system or Shortening the length of the steam outlet brings limitations in the use of the system

Method used

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  • Negative pressure suction type steam afterheat recovery device
  • Negative pressure suction type steam afterheat recovery device

Examples

Experimental program
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Effect test

Embodiment

[0033] The condensed water enters from the condensed water connection port 1 and is atomized to the mixing chamber 22 through the nozzle 3. The steam to be recovered enters the mixing chamber 22 from the steam suction pipe 21 and is fully mixed with the atomized condensed water. Enter the flaring pipe 4, enter the anti-suckback device 17 through the water jet pipe 18, the unrecovered steam and water-insoluble gas overflow from the perforation on the surface of the anti-suckback device 17, realize the first steam and heat recovery, and Ready to be recycled;

[0034] The secondary recovered gas overflows from the anti-suckback device 17 and then goes upwards, enters the shower grate group 10 and the gas-liquid mixer 11, fully contacts with the condensed water coming in from the upper condensed water inlet 5, and continues to recover the remaining heat in the gas;

[0035] The film forming plate 20 is a closed box structure, the film forming pipe 6, the overflow exhaust pipe 7 an...

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Abstract

The invention discloses a negative pressure suction type steam afterheat recovery device. The invention is characterized in that the device comprises a buffer water tank, a gas-liquid mixing device, ahigh-efficiency film-taking device and a suction mixing device; the gas-liquid mixing device is entirely placed in the middle of the buffer water tank, the top of the buffer water tank is provided with the suction mixing device, and the film-taking device is arranged between the gas-liquid mixing device and the suction mixing device; the device can greatly reduce unnecessary waste in industrial production and improve energy utilization rate. For the current sluggish market economy and reduced industrial profit, the reduction of energy consumption can improve profitability; for example, the normal operation of a 250t / h deaerator in a power plant for one year can save RMB 1.2 million, which also beautifies the environment of the power plant.

Description

technical field [0001] The invention belongs to the technical field of energy recovery, and in particular relates to a negative pressure suction type steam waste heat recovery device. Background technique [0002] Waste heat recovery and reuse is the mainstream of society now, and it is more and more favored by industrial production. As the country's requirements for reducing energy consumption become more and more stringent, it is particularly important to improve energy utilization and reduce unnecessary waste. [0003] Most of the existing technologies rely on steam pipes to take the initiative to recover steam, which increases the pressure load of steam pipes, and the steam is accompanied by high temperature, which further increases the requirements for the entire steam pipe system, which virtually increases the cost of steam recovery; Considering or not solving the problem of increasing the pressure load of the steam pipeline, the steam with relatively high pressure and...

Claims

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Application Information

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IPC IPC(8): F28C3/08
CPCF28C3/08
Inventor 谢其志李瑞昌张会霞黄童韩占松武流孙春艳
Owner 连云港久盛电力辅机有限公司
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