CN210717503U

CN210717503U - Steam condensate recovery system device

Info

Publication number: CN210717503U
Application number: CN201921455837.XU
Authority: CN
Inventors: 连江斌; 林惠娟; 连阳彬
Original assignee: Fujian Tianjiao Chemical Materials Co ltd
Current assignee: Fujian Tianjiao Chemical Materials Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-06-09
Anticipated expiration: 2029-09-03

Abstract

The application provides a steam condensate recovery system device, which comprises a medium-pressure steam condensate drain tank, a steam expansion tank, a low-pressure condensate drain tank, a condensate storage tank and a circulating water system, wherein the medium-pressure steam condensate drain tank, the steam expansion tank, the low-pressure condensate drain tank, the condensate storage tank and the circulating water system are connected through pipelines; the condensate storage tank is connected with the circulating system through a condensate delivery pump. The utility model discloses effectively eliminate the problem that steam is direct vent, avoid environmental pollution, it is extravagant to reduce steam, makes partly water recycle simultaneously.

Description

Steam condensate recovery system device

Technical Field

The utility model relates to a steam condensate retrieves technical field, especially relates to a steam condensate recovery system device.

Background

Along with the increasing shortage of energy sources, the energy-saving work is more and more emphasized, and the steam condensate recovery is more and more emphasized as an important energy-saving measure. In industrial production, a large amount of industrial water and energy mainly comprising coal and fuel oil are used for generating steam, the heat of the steam is used for realizing an industrial production process, the steam is generally drained after being drained, and some water vapor is discharged to the atmosphere through a vertical high pipe. Therefore, a large amount of hot steam wastes steam for air discharge and causes pollution to the surrounding environment. Therefore, it is a problem to be solved urgently to design a steam condensate recovery system device which can change most of steam which completes heat exchange into condensate, and recycle a part of steam, thereby saving energy and avoiding pollution.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steam condensate recovery system device.

In order to solve the technical problem, the utility model provides a following technical scheme:

a steam condensate recovery system device comprises a medium-pressure steam condensate drain tank, a steam expansion tank, a low-pressure condensate drain tank, a condensate storage tank and a circulating water system which are connected through pipelines; the outlet of the medium-pressure steam condensate drain tank is connected with the inlet of the steam expansion tank through a first regulating valve for controlling the liquid drainage of the medium-pressure steam condensate drain tank; the outlet of the steam expansion tank is connected with the inlet of the condensate storage tank through a stop valve and a second regulating valve which are arranged in parallel and used for controlling the liquid drainage of the steam expansion tank; the outlet of the low-pressure condensate drain tank is connected with the inlet of the condensate storage tank through a third regulating valve for controlling the liquid drainage of the low-pressure condensate drain tank; the condensate storage tank is connected with the circulating water system through a condensate delivery pump.

Further, the steam expansion tank is connected with a low-pressure steam pipeline and an equipment heat tracing and sewage station through a pressure valve.

Further, manual valves are arranged at the front and the rear of the first regulating valve, the second regulating valve and the third regulating valve.

Further, each of the regulating valves is connected in an interlocking control manner.

Furthermore, a drain hole is formed in the condensate storage tank and communicated with an underground drainage ditch of the condensate storage tank through a pipeline.

According to the above technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses can utilize pipeline and equipment companion heat and sewage station with retrieving steam through the steam expansion groove, and the steam that the condensation got off condenses water and sends circulating water system cyclic utilization to through condensing water delivery pump, not only effectively eliminates steam directly, reduces steam extravagant, avoids environmental pollution, can make partly water recycle simultaneously.

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

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention.

Description of reference numerals:

the system comprises a medium-pressure steam condensate drain tank-1, a steam expansion tank-2, a low-pressure condensate drain tank-3, a condensate storage tank-4, a circulating water system-5, a first regulating valve-6, a second regulating valve-7, a third regulating valve-8, a condensate delivery pump-9, a low-pressure steam pipeline-10, an equipment heat tracing and sewage station-11 and a drainage ditch-12.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

Referring to fig. 1, the present application is further described, and the steam condensate recovery system apparatus shown in fig. 1 includes a medium-pressure steam condensate drain tank 1, a steam expansion tank 2, a low-pressure condensate drain tank 3, a condensate storage tank 4 and a circulating water system 5 which are connected by pipes; the steam expansion tank 2 utilizes the recovered steam to a low-pressure steam pipeline 10 and an equipment heat tracing and sewage station 11 through a pressure valve; the outlet of the medium-pressure steam condensate drain tank 1 is connected with the inlet of the steam expansion tank 2 through a first regulating valve 6 for controlling the liquid drainage of the medium-pressure steam condensate drain tank 1; the outlet of the steam expansion tank 2 is connected with the inlet of the condensate storage tank 4 through a stop valve and a second regulating valve 7 which are arranged in parallel and control the liquid discharge of the steam expansion tank 2; the outlet of the low-pressure condensate drain tank 3 is connected with the inlet of the condensate storage tank 4 through a third regulating valve 8 for controlling the liquid drainage of the low-pressure condensate drain tank 3; manual valves are arranged at the front and the rear of the first regulating valve 6, the second regulating valve 7 and the third regulating valve 8; the condensate storage tank 4 is connected with the circulating water system 5 through a condensate delivery pump 9, so that condensed steam condensate is conveniently delivered to the circulating water system 5 through the condensate delivery pump 9 for cyclic utilization; the condensate storage tank 4 is provided with a drain hole which is communicated with a drainage ditch 12 on the ground of the condensate storage tank 4 through a pipeline.

The working principle is as follows:

the drainage function of the steam condensate recovery system device is mainly embodied in a medium-pressure steam condensate drainage tank 1, a low-pressure condensate drainage tank 3 and a steam expansion tank 2. The liquid levels of the three tanks are respectively interlocked with the regulating valves on the liquid discharge pipelines, and when the liquid levels of the three tanks are higher than a set value, the regulating valves on the liquid discharge pipelines automatically open for a certain degree of valve, and condensate is discharged to the next stage under the action of self pressure. When the liquid level of the liquid inlet pipe and the liquid outlet pipe is lower than the set value, the regulating valve on the liquid discharge pipeline is automatically closed, and the next stage of discharging the condensate is stopped. The steam expansion tank delivers the recovered steam to a low pressure steam line 10, equipment tracing and a waste water station 11. The condensate storage tank 4 conveys the collected steam condensate to a circulating water system 5 for recycling through a conveying pump.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a steam condensate recovery system device which characterized in that: the system comprises a medium-pressure steam condensate drain tank, a steam expansion tank, a low-pressure condensate drain tank, a condensate storage tank and a circulating water system which are connected through pipelines; the outlet of the medium-pressure steam condensate drain tank is connected with the inlet of the steam expansion tank through a first regulating valve for controlling the liquid drainage of the medium-pressure steam condensate drain tank; the outlet of the steam expansion tank is connected with the inlet of the condensate storage tank through a stop valve and a second regulating valve which are arranged in parallel and used for controlling the liquid drainage of the steam expansion tank; the outlet of the low-pressure condensate drain tank is connected with the inlet of the condensate storage tank through a third regulating valve for controlling the liquid drainage of the low-pressure condensate drain tank; the condensate storage tank is connected with the circulating water system through a condensate delivery pump.

2. The vapor condensate recovery system apparatus of claim 1 wherein the vapor expansion tank is connected to low pressure vapor lines and equipment heat tracing and waste water stations by a pressure valve.

3. The vapor condensate recovery system device of claim 1, wherein a manual valve is disposed before and after the first, second and third regulating valves.

4. The vapor condensate recovery system apparatus of claim 1 wherein each of the regulator valves is in interlocking control connection.

5. The apparatus of claim 1 wherein the condensate storage tank has a drain opening, the drain opening communicating with a drain on the ground of the condensate storage tank via a conduit.