CN215892313U

CN215892313U - Integrated high-efficiency energy-saving steam heat tracing system

Info

Publication number: CN215892313U
Application number: CN202122035583.XU
Authority: CN
Inventors: 梁缠柱
Original assignee: Fred Beijing Steam Efficiency Technology Co ltd
Current assignee: Fred Beijing Steam Efficiency Technology Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-22
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses an integrated high-efficiency energy-saving steam heat tracing system, which belongs to the field of steam application and energy conservation and comprises a steam supply unit, a heat tracing heat preservation pipe, a drainage unit, a steam-water collection and flash evaporation unit and a steam pressure raising and circulating unit. The steam supply unit is communicated with a steam source; the heat tracing heat preservation pipe is arranged on a heated and heat preserved material conveying pipeline; the steam-water collecting and flash-evaporating unit is connected with the tail end of the heat tracing heat preservation pipe and is also communicated with the water drainage unit; the steam pressure-increasing and circulating unit is connected with the steam-water collecting and flashing unit and is communicated with the heat tracing heat preservation pipe. The utility model greatly reduces the number of the hydrophobic points of the steam tracing pipeline, reduces investment and steam leakage, and reduces maintenance rate and maintenance cost. Meanwhile, the utility model can recycle the heat energy in the condensed water on site, reduce the steam consumption and achieve the effects of energy conservation and emission reduction.

Description

Integrated high-efficiency energy-saving steam heat tracing system

Technical Field

The utility model is used for greatly reducing the number of the hydrophobic points of the steam tracing pipeline, reducing investment and steam leakage, reducing maintenance rate and maintenance cost, simultaneously, recycling the heat energy in the condensed water on site, reducing the steam consumption and achieving the effects of energy conservation and emission reduction. Belongs to the field of steam application and energy conservation and emission reduction, and is an integrated high-efficiency energy-saving steam heat tracing system.

Background

In many industries such as petroleum, chemical industry, pharmacy, etc., steam tracing pipelines are widely used, but the ubiquitous problems are as follows: the steam trap has short service life, high maintenance and replacement rate, common and serious steam leakage, energy waste and high maintenance and operation cost. In addition, the heat energy of the condensed water discharged by the trap is still high, most enterprises waste the heat energy, and a serious 'small white dragon' phenomenon is generated.

The integrated high-efficiency energy-saving steam heat tracing system only uses one set of drainage unit, recycles the waste heat in the condensed water, reduces the final discharge temperature of the condensed water, achieves the effects of energy conservation and emission reduction, and solves the problem of 'small white dragon'.

Disclosure of Invention

The utility model aims to fundamentally solve the problems of energy waste and long-term existence of 'small white dragon' caused by the leakage of a large number of drain valves of the steam tracing pipelines, and achieve the purposes of energy conservation, emission reduction and environment beautification. The integrated high-efficiency energy-saving steam heat tracing system is provided.

The utility model is realized by the following technical scheme: an integrated energy efficient steam tracing system comprising: the device comprises a steam supply unit 1, a heat tracing heat preservation pipe 2, a water drainage unit 3, a steam-water collection and flash evaporation unit 4 and a steam pressure increasing and circulating unit 5. The inlet of the steam supply unit 1 is communicated with a steam supply pipeline, and the outlet of the steam supply unit 1 is connected with a steam pressure-raising and circulating unit 5; the inlet of the heat tracing heat preservation pipe 2 is connected with the steam pressure increasing and circulating unit 5, the heat tracing heat preservation pipe is arranged on the heat-preserved pipeline in a T shape, and the outlet of the heat tracing heat preservation pipe 2 is communicated with the steam-water collecting and flashing unit 4; an inlet of the hydrophobic unit 3 is connected with an outlet of the steam-water collecting and flashing unit 4, and an outlet of the hydrophobic unit 3 is connected with a condensed water recovery system and can be externally discharged to a water tank; the steam pressure-increasing and circulating unit 5 is provided with two inlets and an outlet, the two inlets are respectively connected with the outlet of the steam-water collecting and flashing unit 4 and the steam supply unit 1, and one outlet is communicated with the inlet of the heat tracing heat preservation pipe 2.

The steam supply unit 1 mainly comprises a manual or automatic control valve, a temperature display, a pressure display, a matched pipe fitting and the like.

The drainage unit 3 is composed of a mechanical drainage valve, a matched valve, a pipe fitting and the like. Wherein, the mechanical drain valve can be replaced by an electric or pneumatic control drain valve.

The steam-water collecting and flashing unit 4 mainly comprises a steam-water collecting and flashing tank, a pressure display and matched valves, pipe fittings and the like.

The steam pressure-raising and circulating unit 5 mainly comprises a steam jet pump, a matched valve and a pipe fitting.

As an improvement of the utility model, an automatic air exhaust device is additionally arranged at the high position of the steam pressure raising and circulating unit 5.

As a further improvement of the utility model, a steam flowmeter is additionally arranged in front of the steam supply unit 1.

As a further improvement of the utility model, a temperature and pressure reducing system is additionally arranged in front of the steam supply unit 1 for the superheated steam source.

The utility model has the advantages that: 1. the investment is low, and the implementation is easy; 2. the structure is simple, and the reliability is high; 3. the maintenance is convenient and simple, and the operation cost is low; 4. the heat tracing temperature is stable and easy to control; 5. the service life of the heat tracing heat preservation pipe is prolonged; 6. the steam consumption is reduced, and energy conservation and emission reduction are realized; 7. eliminate the problem of 'small white dragon' and improve the environment.

Drawings

FIG. 1 is an integrated energy efficient steam tracing system.

In the figure: 1-steam supply unit, 2-heat tracing heat preservation pipe, 3-water drainage unit, 4-steam-water collection and flash evaporation unit, and 5-steam pressure increasing and circulating unit.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings.

The utility model relates to an integrated high-efficiency energy-saving steam heat tracing system, which comprises: the device comprises a steam supply unit 1, a heat tracing heat preservation pipe 2, a water drainage unit 3, a steam-water collection and flash evaporation unit 4 and a steam pressure increasing and circulating unit 5. The inlet of the steam supply unit 1 is communicated with a steam supply pipeline, and the outlet of the steam supply unit is connected with the high-pressure inlet of the steam pressure raising and circulating unit 5 to control the on-off of a steam source; the inlet of the heat tracing heat preservation pipe 2 is connected with the outlet of the steam pressure increasing and circulating unit 5 to extract steam, and then the heat tracing heat preservation pipe is arranged on the heat preserved pipeline in a reciprocating mode back and forth and is in a T shape. Each heat tracing heat preservation pipe 2 is approximately equal to two heat preservation pipes with the same length for heat tracing. The outlet of the heat tracing heat preservation pipe 2 is connected to a steam-water collecting and flash evaporating unit 4; the inlet of the water drainage unit 3 is connected with the outlet at the bottom of the steam-water collection and flash evaporation unit 4, and the outlet of the water drainage unit is connected with an external condensed water pipeline or a water tank; the steam-water collecting and flash-evaporating unit 4 is provided with two outlets and an inlet, the inlet of the steam-water collecting and flash-evaporating unit is communicated with the outlet of the heat tracing and heat insulating pipe 2, the outlet at the top of the steam-water collecting and flash-evaporating unit is connected with the steam pressure raising and circulating unit 5, and the outlet at the bottom of the steam-water collecting and flash-evaporating unit is connected with the drainage unit 3; the steam pressure increasing and circulating unit 5 has a high pressure inlet, a low pressure inlet and an outlet. The high-pressure inlet is connected with the steam supply unit 1, and the low-pressure inlet is connected with the top outlet of the steam-water collection and flash evaporation unit 4. The outlet of the steam pressure raising and circulating unit 5 is communicated with the inlet of the heat tracing heat preservation pipe 2.

The steam supply unit 1 is used for controlling the on-off of a steam source, is realized by an automatic control valve, and can also be controlled by a manual valve. A temperature display and a pressure display are installed for monitoring steam source parameters.

The drainage unit 3 comprises a drainage device, a bypass valve, a stop valve, a pipe fitting and the like, and the drainage device can be a mechanical drainage valve or an automatic control valve combined with liquid level control.

The steam-water collecting and flashing unit 4 mainly comprises a steam-water collecting and flashing tank, a pressure display and matched valves, pipe fittings and the like. And collecting all steam-water mixtures discharged from the heat tracing heat preservation pipes 2. Steam is output from the top to the steam pressure raising and circulating unit 5, and condensed water is discharged from the bottom to the water-repellent unit 3.

The steam pressure-increasing and circulating unit 5 mainly comprises a steam jet pump, a matched valve, a pipe fitting, a control unit and the like. The steam of the steam supply unit 1 enters from a high-pressure inlet thereof, the steam of the steam-water collection and flash evaporation unit 4 enters from a low-pressure inlet thereof, and the steam is discharged from an outlet thereof and is supplied to the heat tracing heat preservation pipe 2.

As a modified embodiment of the utility model, an automatic air exhaust device is additionally arranged on the steam pressure raising and circulating unit 5.

As a further improved embodiment of the present invention, a steam flow rate measuring device is additionally installed in front of the steam supply unit 1.

As another embodiment of the utility model, when the steam source is superheated steam, a temperature and pressure reducing system is additionally arranged in front of the steam supply unit 1.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. All such modifications, equivalents and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides an energy-efficient steam of integrated form companion's heat system, includes steam supply unit (1), companion's heat insulating tube (2), drainage unit (3), its characterized in that: the steam supply port and the condensed water return port of the heat tracing heat preservation pipe (2) are installed at one centralized position, and each heat tracing heat preservation pipe (2) plays a role of two heat tracing heat preservation pipes.

2. The integrated high efficiency energy saving steam tracing system of claim 1 wherein: the heat tracing heat preservation pipe (2) is arranged in a T shape.

3. An integrated energy efficient steam tracing system as claimed in any one of claims 1 and 2, wherein: the multiple heat tracing heat preservation pipes (2) share one set of water drainage unit (3).

4. The integrated high efficiency energy saving steam tracing system of claim 1 wherein: the outlet of the heat tracing heat preservation pipe (2) is connected with the steam-water collection and flash evaporation unit (4).

5. The integrated high efficiency energy saving steam tracing system of claim 4 wherein: the steam-water collecting and flashing unit (4) is connected with a steam pressure-increasing and circulating unit (5).