Nothing Special   »   [go: up one dir, main page]

CN220523890U - Steam condensate drain discharge system - Google Patents

Steam condensate drain discharge system Download PDF

Info

Publication number
CN220523890U
CN220523890U CN202321973352.6U CN202321973352U CN220523890U CN 220523890 U CN220523890 U CN 220523890U CN 202321973352 U CN202321973352 U CN 202321973352U CN 220523890 U CN220523890 U CN 220523890U
Authority
CN
China
Prior art keywords
steam
condensate
pipe
drain
outlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202321973352.6U
Other languages
Chinese (zh)
Inventor
赵旭东
丁应新
刘宪明
王锴楠
徐明稿
葛明明
何丹青
叶圩康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Tiancheng Engineering Design Co ltd
Original Assignee
Zhejiang Tiancheng Engineering Design Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Tiancheng Engineering Design Co ltd filed Critical Zhejiang Tiancheng Engineering Design Co ltd
Priority to CN202321973352.6U priority Critical patent/CN220523890U/en
Application granted granted Critical
Publication of CN220523890U publication Critical patent/CN220523890U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Control Of Non-Electrical Variables (AREA)

Abstract

The utility model relates to the technical field of steam condensation, and particularly discloses a steam condensate drain drainage system. The discharging system comprises a steam conveying pipe and steam user equipment, wherein the steam user equipment is provided with a steam inlet and a condensate outlet, the outlet end of the steam conveying pipe is connected with the steam inlet, the discharging system further comprises a condensate water tank arranged at the downstream of the steam user equipment, the top of the condensate water tank is connected with the steam conveying pipe through a steam balance pipe, the upper part of the condensate water tank is provided with a water inlet, the bottom of the condensate water tank is provided with a water outlet, the condensate outlet is higher than the water inlet of the condensate water tank, the condensate outlet is connected with the water inlet of the condensate water tank through a water outlet pipe, the water outlet of the condensate water tank is connected with a water outlet pipe, the water outlet pipe is provided with a water outlet control valve, and the condensate water tank is further provided with a liquid level indicating component. The drainage system can avoid the problems of drainage noise, steam leakage and the like caused by the use of the drain valve, has long service life, and can be used for various working conditions.

Description

Steam condensate drain discharge system
Technical Field
The utility model relates to the technical field of steam condensation, in particular to a steam condensate drain drainage system.
Background
The steam is widely applied to various common fields in atomic energy, chemical industry, petroleum and daily life, is a heat energy carrier with very wide application, and has the characteristics of flexible use, low raw material cost, high energy storage and the like. Drainage is required during transportation and use of the steam to drain the condensate. Steam traps (also known as steam traps) are currently in common use and are effective in draining water from steam. The drain valve is generally classified into mechanical type, thermal static type, thermal dynamic type and the like. However, the drain valve of any type has the defects of high use noise, steam leakage and the like, the steam quality has serious influence on the service life of the drain valve, the drain valve is generally discharged with water, the valve plate works frequently, the rapid change of the load is difficult to bear, and the service life is low.
Chinese patent CN202001846U discloses a high-efficient pressurize energy-conserving drainage system, including drainage part, temperature detection part and filth are got rid of and comdenstion water unpowered recovery part, the drainage part is including the input ball valve, input ball valve one end and preceding temperature change tee bend intercommunication, the input ball valve other end and steam trap intercommunication, the lower extreme intercommunication of steam trap has the congeal water outlet pipe, congeal water outlet pipe and cutting ferrule screwed connection constitution comdenstion water output runner to the one end of intercommunication congeal water outlet tee bend, the blowdown port of steam trap has blowdown return bend subassembly, blowoff valve subassembly in proper order, and the both ends constitution blowdown runner of intercommunication congeal water outlet tee bend. The system improves the phenomena of running, overflowing, dripping and leaking of steam and condensed water caused by the use of the drain valve, and prolongs the service life of the drain valve. But this system is comparatively complicated, needs cooperation such as temperature detection subassembly, and temperature detection precision is high, and the universality receives the influence.
Disclosure of Invention
Aiming at the problems of large noise, steam leakage, low service life of the existing drain valve, and the like, the utility model aims to provide a steam condensate drain system which can avoid the problems of drain noise, steam leakage, and the like caused by using the drain valve, has long service life, and can be used for various working conditions.
The utility model provides the following technical scheme:
the utility model provides a steam condensate drainage discharging system, including steam delivery pipe, steam user equipment, be equipped with steam inlet and comdenstion water export on the steam user equipment, steam delivery pipe's exit end and steam inlet connection, still including setting up the condensate pitcher in steam user equipment low reaches, be connected through steam balance pipe between condensate pitcher top and the steam delivery pipe, condensate pitcher upper portion side is equipped with the water inlet, the bottom is equipped with the outlet, comdenstion water export's level is higher than condensate pitcher water inlet, comdenstion water export and condensate pitcher water inlet are through outlet piping connection, the condensate pitcher outlet is connected the drain pipe, be equipped with the drainage control valve on the drain pipe, still be equipped with liquid level indication part on the condensate pitcher.
The steam condensate drain system of the utility model is provided with a condensate water tank to replace a drain valve at the downstream of steam user equipment (namely equipment for consuming steam, most steam is converted into condensate water at 120-130 ℃ from about 150 ℃ after passing through the steam user equipment). Because the level of comdenstion water export is higher than the water inlet of condensate water pitcher, steam changes into the comdenstion water after steam user equipment and flows automatically into the condensate water pitcher, because condensate water pitcher top is through steam balance pipe and steam delivery pipe intercommunication, steam pressure is high, the comdenstion water sinks after entering the condensate water pitcher to with entrained steam separation, avoid steam to discharge, observe through the liquid level indicator part, open the drainage control valve on the drain pipe after the comdenstion water liquid level reaches a take the altitude, discharge the comdenstion water to a take the liquid level, residual comdenstion water still plays the liquid seal effect simultaneously, avoid steam to discharge outward. Therefore, the steam condensate drain system does not need a drain valve, and the condensate is discharged after being accumulated to a certain degree, so that the problems of drain noise, steam leakage and the like caused by the drain valve can be avoided, and the steam condensate drain system has long service life and can be used for various working conditions.
Preferably, the condensed water outlet is higher than the top of the condensed water tank. The condensate water generated after the steam passes through the steam user equipment is guaranteed to fully flow to the condensate water tank, and the condensate water in the condensate water tank is prevented from flowing backwards.
As the optimization of the utility model, the water outlet pipe is also provided with an expansion pipe section, and the expansion pipe section is positioned at the pipe section position of the water outlet pipe which is vertically arranged. The safety of the steam condensate drain system is improved, and water in the water outlet pipe is prevented from flowing back to the steam user equipment.
Preferably, the connection part of the steam balance pipe and the steam delivery pipe is close to the outlet end of the steam delivery pipe. The condensed water tank is connected with the steam conveying pipe to achieve the purpose of gas phase balance, so that smooth water inflow and drainage of the condensed water tank are ensured, and meanwhile, condensed water generated in the steam conveying pipe can flow into the condensed water tank through the steam balancing pipe before entering the steam user equipment, so that the steam use efficiency is improved.
Preferably, the steam delivery pipe is further provided with a steam delivery bypass pipe, and the steam delivery bypass pipe is arranged at the upstream of the connection part of the steam balance pipe and the steam delivery pipe. The steam delivery bypass pipe is used as a standby steam delivery pipeline.
As the preferable mode of the utility model, the steam condensate drain system also comprises a DCS or PLC liquid level control system, the liquid level indicating component comprises a liquid level sensor, the signal input end of the liquid level control system is electrically connected with the liquid level sensor, and the signal output end of the liquid level control system is electrically connected with the drain control valve. The drainage amount of the drainage pipeline of the condensate water tank is accurately controlled through the automatic liquid level control system, the liquid level of the condensate water tank is kept stable, and the fact that the condensate water does not contain steam is guaranteed to be the material of the drainage system.
Preferably, the drain pipe is further provided with a drain bypass pipe, and the drain control valve is positioned between two connecting ends of the drain bypass pipe and the drain pipe. The drain bypass pipe is used as a drain standby pipeline of the condensate water tank.
Preferably, the steam delivery pipe or the steam balance pipe or the water outlet pipe is coated with an insulating layer.
The beneficial effects of the utility model are as follows:
the steam condensate drain system avoids the use of a drain valve, drains water after passing through a condensate water tank, can avoid the problems of steam leakage and the like, does not need to drain water even if the drain water is drained, has the advantages of long service life, no noise in the operation process and the like compared with the drain valve, and can be suitable for various working conditions.
Drawings
FIG. 1 is a block diagram of one embodiment of a steam condensate drain system of the present utility model.
Fig. 2 is a block diagram of another embodiment of the steam condensate drain system of the present utility model.
In the figure, 1, a steam delivery pipe, 1.1, a flow control meter, 1.2, a steam delivery valve, 1.3, a steam delivery bypass pipe, 1.4, a steam stop valve, 2, steam user equipment, 2.1, a steam inlet, 2.2, a condensate outlet, 3, a condensate tank, 3.1, a water inlet, 3.2, a water outlet, 3.3, a top steam port, 3.4, a DCS liquid level control system, 3.5, a liquid level meter, 3.6, a drainage control valve, 3.7, a running water stop valve, 3.8, a drainage bypass pipe, 4, a steam balance pipe, 5, a water outlet pipe, 5.1, an expansion pipe section, 6, a drainage pipe, 7 and a heat preservation layer.
Detailed Description
The following description of the embodiments of the utility model is further provided with reference to the accompanying drawings.
Examples
A steam condensate drain system, as shown in figure 1, comprises a steam delivery pipe 1 and steam user equipment 2. The steam delivery pipe is externally covered with an insulating layer 7, a flow control meter 1.1 and a steam delivery valve 1.2 are arranged on the steam delivery pipe, the steam delivery valve is positioned at the downstream of the flow control meter, and steam stop valves 1.4 are arranged at two sides of the steam delivery valve. The steam user equipment is provided with a steam inlet 2.1 and a condensed water outlet 2.2, and the outlet end of the steam conveying pipe is connected with the steam inlet. The downstream of the steam user equipment is provided with a condensate water tank 3, the top of the condensate water tank is provided with a top steam port 3.3, the condensate water tank is connected with a steam conveying pipe through a steam balance pipe 4, and the outer side of the steam balance pipe is coated with an insulating layer. The side of the condensate water tank is provided with a water inlet 3.1, the bottom is provided with a water outlet 3.2, the level of the condensate water outlet 2.2 is higher than that of the condensate water tank water inlet 3.1, the condensate water outlet is connected with the condensate water tank water inlet through a water outlet pipe 5, and the outer side of the water outlet pipe is coated with an insulating layer. The drain outlet of the condensed water tank is connected with a drain pipe 6, and the outside of the drain pipe is coated with an insulating layer. The drain pipe is provided with a drain control valve 3.6, drain stop valves 3.7 are arranged on two sides of the drain control valve, and the condensate water tank is also provided with a liquid level meter 3.5.
In order to improve the smoothness of steam delivery, a steam delivery bypass pipe 1.3 is further arranged on the steam delivery pipe, the steam delivery bypass pipe is provided with an upstream of the connection part of the steam balance pipe and the steam delivery pipe, and a steam stop valve is arranged on the steam delivery bypass pipe.
In order to ensure the smoothness of the drainage, a drainage bypass pipe 3.8 is further arranged on the drainage pipe, the drainage control valve is positioned between two connecting ends of the drainage bypass pipe and the drainage pipe, and a running water stop valve is arranged on the drainage bypass pipe.
In order to accurately control the water level in the condensed water tank, the steam condensed water drain and discharge system is also provided with a DCS liquid level automatic control system 3.4, a liquid level sensor is arranged in the liquid level meter, a signal input end of the DCS liquid level automatic control system is electrically connected with the liquid level sensor, and a signal output end of the DCS liquid level automatic control system is electrically connected with a drain control valve.
To improve the safety of the condensate tank, it is further required that the level of the condensate outlet is higher than the top of the condensate tank. Further, as shown in fig. 2, an expanded pipe section 5.1 can be further arranged on the water outlet pipe, and the expanded pipe section is positioned at a pipe section position of the water outlet pipe, which is vertically arranged.
In the steam condensate drain system, condensate water generated in the steam user equipment automatically flows into the condensate water tank, entrained steam and water are separated, and when the water level reaches a certain degree, water is drained from the bottom of the condensate water tank, so that steam leakage is avoided, the system is noiseless, the drain frequency is controlled, the service life is long, and the system is applicable to various working conditions.

Claims (7)

1. The utility model provides a steam condensate drainage discharging system, including steam delivery pipe, steam user equipment, be equipped with steam inlet and comdenstion water export on the steam user equipment, steam delivery pipe's exit end and steam inlet connection, a serial communication port, still including setting up the condensate pitcher in steam user equipment low reaches, be connected through steam balance tube between condensate pitcher top and the steam delivery pipe, the condensate pitcher side is equipped with the water inlet, the bottom is equipped with the outlet, the level of comdenstion water export is higher than condensate pitcher water inlet, comdenstion water export and condensate pitcher water inlet are through outlet pipe connection, still be equipped with the expansion pipe section on the outlet pipe, the expansion pipe section is located the pipe section position of outlet pipe vertical arrangement, condensate pitcher outlet connection drain pipe is equipped with the drainage control valve on the drain pipe, still be equipped with liquid level indication part on the condensate pitcher.
2. The steam condensate drain system of claim 1 wherein the condensate outlet is at a level higher than the top of the condensate tank.
3. The steam condensate drain system of claim 1, wherein the steam balance pipe is connected to the steam delivery pipe at a location proximate to an outlet end of the steam delivery pipe.
4. A steam condensate drain system as claimed in claim 1 or claim 3, wherein the steam delivery pipe is further provided with a steam delivery bypass pipe, the steam delivery bypass pipe being provided upstream of the junction of the steam balance pipe and the steam delivery pipe.
5. The steam condensate drain system of claim 1, further comprising a DCS or PLC level control system, the level indicating member comprising a level sensor, the signal input of the level control system being electrically connected to the level sensor, the signal output of the level control system being electrically connected to the drain control valve.
6. The steam condensate drain system of claim 1 or 5, wherein a drain bypass is further provided on the drain pipe, and the drain control valve is located between two connection ends of the drain bypass and the drain pipe.
7. The steam condensate drain system of claim 1, wherein the outside of the steam delivery pipe or steam balance pipe or water outlet pipe or drain pipe is covered with a thermal insulation layer.
CN202321973352.6U 2023-07-25 2023-07-25 Steam condensate drain discharge system Active CN220523890U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321973352.6U CN220523890U (en) 2023-07-25 2023-07-25 Steam condensate drain discharge system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321973352.6U CN220523890U (en) 2023-07-25 2023-07-25 Steam condensate drain discharge system

Publications (1)

Publication Number Publication Date
CN220523890U true CN220523890U (en) 2024-02-23

Family

ID=89934295

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321973352.6U Active CN220523890U (en) 2023-07-25 2023-07-25 Steam condensate drain discharge system

Country Status (1)

Country Link
CN (1) CN220523890U (en)

Similar Documents

Publication Publication Date Title
CN105781629A (en) Control method of steam turbine steam pipeline drain valve of power station
CN220523890U (en) Steam condensate drain discharge system
CN201724204U (en) Condensed water recovery system
CN106969946B (en) Condensate sampling method and device for detecting leakage of condenser
CN112253983B (en) Marine lever floating ball type drain valve
CN210662284U (en) Liquid level visible steam trap
CN209243465U (en) A kind of draining resistance vapour device of steam and condensate system
US4987918A (en) Trap for steam condensates
JP3742226B2 (en) Liquid tank equipment with liquid level measuring device
CN207716400U (en) The drainage system of continuous sewage-discharge volum expander for boiler
CN216307403U (en) Torsion spring assisted medium-high pressure steam trap
CN210532088U (en) Quick drainage device
CN204739413U (en) Two four balanced disk seat formula super large discharge capacity steam traps of bivalve body
CN209744033U (en) Vapour-liquid automatically regulated drainage device
CN219222106U (en) Steam pipeline drainage device
CN2380785Y (en) Pressure-equalized continuous water-discharging type steam bleeder
CN111422935A (en) Condensed water negative pressure recovery system of low-temperature multi-effect seawater desalination device
CN216556438U (en) Electromagnetic reversing steam pipeline drainage device
CN220321057U (en) Leakage-free on-line monitoring self-control drainage device
CN214763382U (en) Cutting fluid distillation dewatering system
CN214744984U (en) Steam pipeline system
CN218469611U (en) Steam jet vacuum system of condenser and variable working condition self-balancing free type drainage structure
CN214619487U (en) Antifouling stifled fan heater hydrophobic construction of air preheater in winter
SU1020681A1 (en) Device for removing condensate out of horizontal pipeline
CN109338789A (en) A kind of draining resistance vapour device and method of steam and condensate system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant