CN202835328U - Novel water level automatic control device for vapour-liquid two-phase fluid - Google Patents
Novel water level automatic control device for vapour-liquid two-phase fluid Download PDFInfo
- Publication number
- CN202835328U CN202835328U CN201220477705.9U CN201220477705U CN202835328U CN 202835328 U CN202835328 U CN 202835328U CN 201220477705 U CN201220477705 U CN 201220477705U CN 202835328 U CN202835328 U CN 202835328U
- Authority
- CN
- China
- Prior art keywords
- water level
- pipe
- heat exchanger
- automatic control
- hydrophobic
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Control Of Non-Electrical Variables (AREA)
Abstract
The utility model relates to the technical field of a water level automatic control, in particular to a novel water level automatic control device for vapour-liquid two-phase fluid. The novel water level automatic control device for vapour-liquid two-phase fluid comprises a heat exchanger. The outer surface and the bottom of the heat exchanger are respectively connected with a hydrophobic signal pipe and a hydrophobic pipe. The height of the mouth of the pipe of the hydrophobic signal pipe connected with the outer surface of the heat exchanger is equal to the normal height of water level. The hydrophobic signal pipe and the hydrophobic pipe are respectively connected with a signal port of a regulator and a water inlet port. The hydrophobic signal pipe connected by the heat exchanger and the signal port is provided with a signal pipe regulating gate valve. The hydrophobic pipe connected by the heat exchanger and the water inlet port is provided with a water outlet valve regulating valve. The hydrophobic pipe connected by the water outlet port of the regulator is connected with a one-way valve. By means of utilizing the novel water level automatic control device for vapour-liquid two-phase fluid, the controllability, the antijamming capacity and the safety performance of the device are greatly enhanced, the automatic and continuous adjustment of the water level is achieved at the same time, and thus the relatively stable liquid level can be guaranteed and economic benefit of enterprises is improved. The novel water level automatic control device for vapour-liquid two-phase fluid has the advantages of being simple in structure, reasonable in design and low in production cost and the like.
Description
Technical field
The utility model relates to water level automatic control technology field, particularly a kind of Novel steam liquid two-phase water level automatic control device.
Background technology
Modern thermal power plant all arranges feed-water heater (or being called for short heater) for improving thermal efficiency of cycle, heater requires the shell-side water level to be maintained within a certain range when normal operation, the too high or too low heat-economy that not only reduces unit of water level, and the safe operation of entail dangers to main frame.Cause turbine water induction and cause the major accidents such as leaf destruction, permanent bending of rotor, heater explosion such as water level is too high, at home and abroad repeatedly occur.Or because water level is excessively low, even without the water level operation, cause a large amount of steam in heater, to overflow, and latent heat does not take full advantage of, heater heat-transfer effect severe exacerbation, and feed temperature descends, and the unit coal consumption is increased.Water level automatic control device commonly used mainly contains electronic and bucket trap at present, since executing agency's frequent movement, easily erosive wear, normal bite is malfunctioning, and the repair and maintenance amount is large, and steam trap connection is easily out of control.
Therefore be necessary the structure of existing water level automatic control device is carried out further technological innovation.
The utility model content
The purpose of this utility model is for the defective of prior art and deficiency, and Novel steam liquid two-phase water level automatic control device a kind of simple in structure, reasonable in design, easy to use is provided.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of Novel steam liquid two-phase water level automatic control device described in the utility model, comprise heat exchanger, the lateral surface of described heat exchanger and bottom are connected with respectively the hydrophobic signal pipe, drain pipe, the mouth of pipe height that connects the hydrophobic signal pipe with the lateral surface of heat exchanger is identical with the ordinary water level height, described hydrophobic signal pipe, drain pipe is connecting respectively the signal port of adjuster, the water inlet port, the hydrophobic signal pipe that described heat exchanger is connected with signal port is provided with the signal pipe regulation gate valve, described heat exchanger is provided with out water regulating valve with the drain pipe that the water inlet port is connected, and the drain pipe that the water outlet port of described adjuster connects also is connected with check valve.
Further, described drain pipe also is connected with shunt valve, and the water inlet end of shunt valve is connected with the drain pipe that goes out before the water regulating valve, and the water side of shunt valve is connected with check valve drain pipe afterwards, and described shunt valve is provided with bypass valve.
Further, described heat exchanger lateral surface is provided with liquid level gauge.
After adopting said structure, the utility model beneficial effect is: a kind of Novel steam liquid two-phase water level automatic control device described in the utility model, when using the utility model, because this device is without any moving component, machinery-free and electric actuator have greatly improved controllability, antijamming capability and the security performance of installing; Can realize simultaneously Automatic continuous adjusting water level, thereby guarantee that liquid level is relatively stable, also can improve the economic well-being of workers and staff of enterprise.The utlity model has simple in structurely, arrange rationally, the advantage such as cost of manufacture is low.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Description of reference numerals:
1, heat exchanger; 11, liquid level gauge; 12, ordinary water level; 2, hydrophobic signal pipe;
21, signal pipe regulation gate valve; 3, drain pipe; 31, go out water regulating valve; 32, check valve; 4, shunt valve; 41, bypass valve; 5, adjuster; 51, water inlet port;
52, signal port; 53, water outlet port.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1, a kind of Novel steam liquid two-phase water level automatic control device described in the utility model, comprise heat exchanger 1, the lateral surface of described heat exchanger 1 and bottom are connected with respectively hydrophobic signal pipe 2, drain pipe 3, the mouth of pipe height and the ordinary water level 12 that connect hydrophobic signal pipe 2 with the lateral surface of heat exchanger 1 are highly identical, described hydrophobic signal pipe 2, drain pipe 3 is connecting respectively the signal port 52 of adjuster 5, water inlet port 51, the hydrophobic signal pipe 2 that described heat exchanger 1 is connected with signal port 52 is provided with signal pipe regulation gate valve 21, described heat exchanger 1 is provided with out water regulating valve 31 with the drain pipe 3 that water inlet port 51 is connected, and the drain pipe 3 that the water outlet port 53 of described adjuster 5 connects also is connected with check valve 32.
As a kind of optimal way of the present utility model, described drain pipe 3 also is connected with shunt valve 4, the water inlet end of shunt valve 4 is connected with drain pipe 3 before going out water regulating valve 31, and the water side of shunt valve 4 is connected with check valve 32 drain pipe 3 afterwards, and described shunt valve 4 is provided with bypass valve 41.Shunt valve 4 mainly is for can Quick drainage, facilitates like this debugging work of carrying out this device initial operation stage, also is convenient to process the accident of regular maintenance.
As a kind of optimal way of the present utility model, described heat exchanger 1 lateral surface is provided with liquid level gauge 11, and the convenient operation personnel can see the water level in the heat exchanger 1 clearly, thereby guarantees the normal operation of heat exchanger 1.
During with the utility model control heat exchanger water level, have advantages of following several respects: the first, heater water level is stable; Show through a large amount of operation practice, the stream-liquid two-phase flow water level automatic control device rear self-adjusting ability that puts into operation is strong, when unit load changes in 100%～60% scope, the heater water level undulating value is 50～100mm, and the energy fully automatic working, do not report to the police on the guaranteed water level, water level is arranged down.And debugging operations is simple and convenient, or else needs after one time the stream-liquid two-phase flow self-adjustment liquid level controller is adjusted to the right place further to adjust, and can accomplish to operate random start and stop, has alleviated operations staff's maintenance management workload.The second, the controllability of water-level control apparatus obviously improves; This is because the stream-liquid two-phase flow water level automatic control device is compared with former water-level regulator, machinery-free operation parts and electric, pneumatic control components, therefore the fault rate decrease of water gauge has alleviated the maintenance workload of field service personnel, long service life.Because the novel water level device is full-sealing device, therefore controlled without leakage and safety.The Thermal Control System of original water-level regulator and device cancel all have been exempted thermal technology personnel's maintenance management.The 3rd, increase economic efficiency; Feed temperature (the mean value second half year in 2011) was 234.4 ℃ before certain 200MW of power plant unit 6# machine was transformed, and feed temperature (the mean value first half of the year in 2012) is 239.6 ℃ after transforming, and feed temperature rises 5.2 ℃; According to 200MW unit heating power result of calculation: 10 ℃ of the every risings of feed temperature affect coal consumption 2.0g/kwh; If the deduction load factor, the second half year, generated energy 4.5 hundred million kwh then saved standard coal 450t the second half year, and are annual by the calculating of 9.0 hundred million kwh generated energy, then the annual standard coal 900t that saves; Economic benefit is fairly obvious after transforming.
In addition, of the present utility model simple in structure, reasonable in design, low cost of manufacture.
The above only is better embodiment of the present utility model, therefore all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (3)
1. Novel steam liquid two-phase water level automatic control device, comprise heat exchanger (1), it is characterized in that: the lateral surface of described heat exchanger (1) and bottom are connected with respectively hydrophobic signal pipe (2), drain pipe (3), the mouth of pipe height that connects hydrophobic signal pipe (2) with the lateral surface of heat exchanger (1) is highly identical with ordinary water level (12), described hydrophobic signal pipe (2), drain pipe (3) is connecting respectively the signal port (52) of adjuster (5), water inlet port (51), the hydrophobic signal pipe (2) that described heat exchanger (1) is connected with signal port (52) is provided with signal pipe regulation gate valve (21), described heat exchanger (1) is provided with out water regulating valve (31) with the drain pipe (3) that water inlet port (51) is connected, and the drain pipe (3) that the water outlet port (53) of described adjuster (5) connects also is connected with check valve (32).
2. Novel steam liquid two-phase water level automatic control device according to claim 1, it is characterized in that: described drain pipe (3) also is connected with shunt valve (4), the water inlet end of shunt valve (4) with go out water regulating valve (31) drain pipe (3) before and be connected, the water side of shunt valve (4) is connected with check valve (32) drain pipe (3) afterwards, and described shunt valve (4) is provided with bypass valve (41).
3. Novel steam liquid two-phase water level automatic control device according to claim 1, it is characterized in that: described heat exchanger (1) lateral surface is provided with liquid level gauge (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220477705.9U CN202835328U (en) | 2012-09-19 | 2012-09-19 | Novel water level automatic control device for vapour-liquid two-phase fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220477705.9U CN202835328U (en) | 2012-09-19 | 2012-09-19 | Novel water level automatic control device for vapour-liquid two-phase fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202835328U true CN202835328U (en) | 2013-03-27 |
Family
ID=47947022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220477705.9U Expired - Lifetime CN202835328U (en) | 2012-09-19 | 2012-09-19 | Novel water level automatic control device for vapour-liquid two-phase fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202835328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115079733A (en) * | 2022-05-30 | 2022-09-20 | 华能曲阜热电有限公司 | Vapor-liquid two-phase flow controller |
-
2012
- 2012-09-19 CN CN201220477705.9U patent/CN202835328U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115079733A (en) * | 2022-05-30 | 2022-09-20 | 华能曲阜热电有限公司 | Vapor-liquid two-phase flow controller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203573174U (en) | Deoxygenator water level automatic control system | |
| CN203197017U (en) | Water supply and water return system of bar water-cooling device | |
| CN204552846U (en) | A kind of back pressure steam turbines utilization system | |
| CN204026803U (en) | A kind of thermal power plant unit | |
| CN202485208U (en) | Energy-saving double-water-tank constant-temperature continuous water supply system | |
| CN202452469U (en) | Power quick-adjusting device for novel thermal generator set | |
| CN205102101U (en) | Novel liquid level automatic control device | |
| CN202835328U (en) | Novel water level automatic control device for vapour-liquid two-phase fluid | |
| CN203501147U (en) | Feed water treatment and regulation device for cement kiln low-temperature cogeneration system | |
| CN205355983U (en) | 1000MW steam turbine power generation machine stator water cooling device | |
| CN207674419U (en) | A kind of boiler feedwater pipeline optimization system | |
| CN203499737U (en) | Automatic regulating device for water level in hot well of cement kiln low-temperature cogeneration turbine | |
| CN202493895U (en) | Novel vapor-liquid two-phase flow automatic regulating device | |
| CN202885387U (en) | Circulating cooling device | |
| CN203273854U (en) | Novel clean-steam generator | |
| CN204806758U (en) | Circulative cooling water supply system outside hydroelectric power plant | |
| CN204629093U (en) | A kind of steam Small Flow Control System | |
| CN103147990B (en) | Waste heat recovery system of air compressor | |
| CN105757759A (en) | Heat efficiency-optimized first steam-water heat exchange station and running method thereof | |
| CN203404769U (en) | Improved water supply backheating and drain system with medium pressure heater | |
| CN220229116U (en) | Condensate water recycling system containing flash steam | |
| CN205593029U (en) | Soda heat transfer initial station is optimized to thermal efficiency | |
| CN105782700A (en) | Steam-liquid two-phase flow drain valve and draining method thereof | |
| CN201407854Y (en) | Energy-saving cooling return water device system | |
| CN205349597U (en) | Cooling tower return water power generation facility |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |