CN203927874U - A kind of steam accumulator system - Google Patents
A kind of steam accumulator system Download PDFInfo
- Publication number
- CN203927874U CN203927874U CN201420362929.4U CN201420362929U CN203927874U CN 203927874 U CN203927874 U CN 203927874U CN 201420362929 U CN201420362929 U CN 201420362929U CN 203927874 U CN203927874 U CN 203927874U
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- steam
- pressure
- storage heater
- boiler
- ejector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The utility model relates to a kind of steam accumulator system, mainly comprises storage heater, steam ejector, pressure transmitter, pressure regulator valve and jet chimney.Described steam accumulator system, is that import is connected with steam accumulator by boiler steam outlet pipe Dao Yi road, and a road is connected with steam ejector high pressure entry through control valve; Storage heater outlet is connected with steam ejector low-pressure steam entrance by jet chimney; Steam steam (vapor) outlet pipeline, storage heater and steam accumulator system steam (vapor) outlet pipeline of boiler is equipped with pressure transmitter; Between described storage heater import and storage heater outlet conduit and steam ejector, pipeline is provided with control valve, in order to control the steam pressure of storage heater and steam ejector entrance.By steam ejection technology, with boiler, produce high steam the inner low-pressure steam injection of storage heater is entered to process steam pipeline, to increase storage heater, fill the pressure reduction of steam pressure and steam bleeding pressure, effectively improve the heat storage capacity of steam accumulator unit volume.
Description
Technical field
The utility model relates to the field of industrial productions such as medicine, chemical fibre, food, printing and dyeing, distributed energy, particularly a kind of for the boiler steam hold over system of pressure higher than process steam pressure that steam.
Background technology
Steam accumulator is widely used in the field of industrial productions such as medicine, chemical fibre, food, printing and dyeing, distributed energy, unnecessary steam while being mainly used in storing process steam ebb.The heat storage capacity of steam accumulator mainly and volume storage heater poor by storage heater inlet and outlet pressure determines.Steam accumulator service condition is generally turnover pressure differential >=0.3MPa, in heating system, the design pressure of steam boiler and rated operating pressure are certain, production technology has determined that the outlet pressure of storage heater must not be lower than process steam pressure, so the pressure differential of steam accumulator is in limited scope.In the situation that amount of stored heat is certain, can only increase the volume of storage heater, some boiler working pressure and production technology pressure differential≤0.3MPa, therefore can not be used steam accumulator to carry out peak load shifting.
In actual production, by increasing the volume of storage heater, improve heat storage capacity, but the also raising thereupon of the manufacturing cost of storage heater, general item investment increases.Steam accumulation of heat station for ebb accumulation of heat peak heat supply in distributed energy, boiler operatiopn pressure does not still have enough steam pressures poor when guaranteeing that storage heater has enough amount of stored heat after bringing up to a certain degree, the volume that can only increase storage heater, equipment investment cost is higher.
Utility model content
The purpose of this utility model is not change under the condition of boiler operatiopn pressure, process steam pressure and storage heater volume, by steam ejection being set by storage heater, to increase storage heater, fill the pressure reduction of steam pressure and steam bleeding pressure, the ability that unit volume saturation water stores steam becomes large, reduces the total measurement (volume) of storage heater.In storage heater inlet outlet pressure differential≤0.3MPa situation, need peak load shifting balance by this technology, also can set up steam accumulator by the occasion of vapour load.Many steam accumulators can in parallelly share a set of steam ejection system.
The technical scheme that the invention for solving the technical problem adopts is:
A kind of steam accumulator system, mainly comprise storage heater, steam ejector, pressure transmitter, pressure regulator valve and jet chimney, described boiler main jet chimney one tunnel is delivered to steam accumulator inside through control valve by Boiler Steam, and a road boiler producing steam is connected with steam ejector high steam entrance by control valve; Described storage heater outlet is connected with steam ejector low-pressure steam entrance by control valve; Steam steam (vapor) outlet pipeline, storage heater and steam accumulator system steam (vapor) outlet pipeline of boiler is equipped with pressure transmitter.
Described storage heater is delivered to steam accumulator inside by jet chimney by Boiler Steam, storage heater outlet is connected with steam ejector low-pressure steam entrance by control valve, and the inside low-pressure steam after utilizing high pressure steam that boiler produces to storage heater heat release carries out injection; Steam outlet conduit, storage heater body and steam accumulator system steam (vapor) outlet pipeline of boiler is equipped with pressure transmitter, to regulate each road steam pressure.
Described control valve is electronic or pneumatic actuator, and front and back arrange stop valve, and bypass line is set simultaneously, is convenient to the repair and maintenance of control valve.
The utility model is mainly high-pressure admission parameter and the low-pressure admission parameter of controlling steam ejection gas, by control valve, control high-pressure admission parameter and low pressure admission parameter, with guarantee storage heater at pressure decreased to process steam pressure cannot be to system heat supply time, the high steam injection storage heater steam inside of utilizing boiler, reaches the more fumy object of release.The utility model utilizes steam ejection technology, and high steam injection low-pressure steam obtains the method for a certain middle pressure steam, reduces storage heater steam bleeding pressure, increases storage heater discharging pressure and fill thermal pressure pressure reduction storage heater heat storage capacity is increased.
The utility model can effectively improve the heat storage capacity of steam accumulator unit volume.Storage heater inlet adjusting valve is controlled the initial steam pressure of storage heater, the stable steam pressure that goes out of controlling storage heater of control valve that storage heater outlet arranges, and the original parameter of vapour system does not change, and the energy of heating system does not dissipate or loses.Under equal volume, the amount of stored heat of storage heater increases, and when just establishing storage heater, volume type selecting reduces, and equipment investment reduces.In power plant or factory, round the clock in peak regulation process, store night after steam, the high steam injection storage heater steam inside producing by boiler daytime, effectively increases the heat release ability of storage heater.Can adjust at any time steam storage and use according to the time relationship of the consumption of steam, make rational use of resources, reduce production costs.
Accompanying drawing explanation
Fig. 1 is steam accumulator system architecture schematic diagram;
In figure: 1, storage heater; 2, steam ejector; 3, pressure transmitter; 4, control valve; 5, steam ejector high pressure entry; 6, jet chimney; 7, steam ejector low-pressure inlet.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.
A steam accumulator system, mainly comprises storage heater 1, steam ejector 2, pressure transmitter 3, pressure regulator valve 4 and jet chimney 6.Described boiler main jet chimney one tunnel is delivered to storage heater 1 inside through control valve 4 by Boiler Steam, and a road boiler producing steam is connected with steam ejector high steam entrance 5 by control valve 4; Described storage heater 1 outlet is connected with steam ejector low-pressure steam entrance 7 by control valve 4; Steam steam (vapor) outlet pipeline, storage heater 1 and steam accumulator system steam (vapor) outlet pipeline of boiler is equipped with pressure transmitter 3.
Boiler Steam is delivered to steam accumulator 1 inside by jet chimney 6, and described storage heater 1 outlet is connected with steam ejector 2 by jet chimney 6.
Storage heater 1 is delivered to steam accumulator 1 inside by jet chimney 6 by Boiler Steam, storage heater 1 outlet is connected with steam ejector low-pressure steam entrance 7 by control valve 4, and the inside low-pressure steam after utilizing high pressure steam that boiler produces to storage heater 1 heat release carries out injection; Steam outlet conduit, storage heater and steam accumulator system steam (vapor) outlet pipeline of boiler is equipped with pressure transmitter 3, to regulate each road steam pressure.
Described control valve 4 is electronic or pneumatic actuator, and front and back arrange stop valve, and bypass line is set simultaneously, are convenient to the repair and maintenance of control valve.Described pressure transmitter 3 is controlled the aperture of each control valve 4 valves, and steam is carried out to pressure regulation.
When boiler duty is greater than production gas consumption, a steam part enters storage heater and stores, and another part is through steam ejector decompression supply production.In boiler air demand hour, storage heater outlet regulating valve is opened gradually storage heater heat release and is maintained production pressure.At storage heater Pressure Drop, to process steam pressure, Boiler Steam still can not maintain produces with after atmospheric pressure, and steam ejection is started working.
The utility model can significantly improve the heat storage capacity of steam accumulator unit volume.Storage heater inlet adjusting valve is controlled the initial steam pressure of storage heater, the stable steam pressure that goes out of controlling storage heater of control valve that storage heater outlet arranges, and the original parameter of vapour system does not change, and the energy of heating system does not dissipate or loses.
The specific works process of steam accumulator system described in the utility model is as follows:
1. first stage system is when process steam amount is less, storage heater is full of steam, the boiler pressure that steams equals storage heater pressure, storage heater import pressure regulator valve standard-sized sheet, and steam ejector low-pressure inlet control valve and steam ejector high pressure entry control valve maintain pressure after injector.Steam passes through jointly to supply with process steam after storage heater outlet regulating valve and the step-down of steam ejection device.Boiler High Pressure steam reduces pressure for process steam after control valve and steam ejector.Steam exit pressure test point detected pressures equals or a little higher than process steam pressure.
2. second stage, process steam amount increases gradually, pressure transmitter detects steam pressure signal, system steam ejector steam exit pressure starts to decline, this steam exit pressure dropping signal is fed back to steam ejector high pressure entry place control valve valve and low-pressure steam porch valve, and two valves are opened large simultaneously gradually, and storage heater air inlet control valve cuts out gradually simultaneously, storage heater is to system heat release, and in storage heater, steam pressure declines.
3. phase III, when production enters with vapour low ebb, system steam exit pressure transmitter pressure raises, signal feedback is to steam inlet control valve, this valve valve is opened gradually, steam ejector high pressure and low-pressure inlet control valve are closed gradually simultaneously, and steam accumulator enters and fills the vapour stage, and storage heater body pressure transmitter raises gradually.When storage heater body pressure reaches boiler steam pipe inlet pressure, storage heater is replied the first stage of original state.Now, steam inlet control valve standard-sized sheet, steam (vapor) outlet control valve cuts out.
Steam accumulator system described in the utility model is intelligence control system, and its control relation is as follows:
System steam exit pressure is controlled steam ejector high pressure and low-pressure steam entrance control valve and steam accumulator entrance control valve.Steam exit pressure raises, and steam ejector two entrance control valves cut out gradually, and storage heater entrance control valve is opened.This pressure decreased, steam ejector two entrance control valves cut out gradually, and storage heater entrance control valve cuts out.
In addition, the utility model is not limited to above-mentioned embodiment, and the technique effect reaching based on same approach all belongs to protection domain of the present utility model.
Claims (1)
1. a steam accumulator system, it is characterized in that: mainly comprise storage heater, steam ejector, pressure transmitter, pressure regulator valve and jet chimney, described boiler main jet chimney one tunnel is delivered to steam accumulator inside through control valve by Boiler Steam, and a road boiler producing steam is connected with steam ejector high steam entrance by control valve; Described storage heater outlet is connected with steam ejector low-pressure steam entrance by control valve; Steam steam (vapor) outlet pipeline, storage heater and steam accumulator system steam (vapor) outlet pipeline of boiler is equipped with pressure transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362929.4U CN203927874U (en) | 2014-06-25 | 2014-06-25 | A kind of steam accumulator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362929.4U CN203927874U (en) | 2014-06-25 | 2014-06-25 | A kind of steam accumulator system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203927874U true CN203927874U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420362929.4U Expired - Fee Related CN203927874U (en) | 2014-06-25 | 2014-06-25 | A kind of steam accumulator system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203927874U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048286A (en) * | 2014-06-25 | 2014-09-17 | 付红萍 | Steam heat accumulator system |
| CN106287623A (en) * | 2016-07-28 | 2017-01-04 | 上海交通大学 | Phase-change heat-storage steam accumulator |
-
2014
- 2014-06-25 CN CN201420362929.4U patent/CN203927874U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048286A (en) * | 2014-06-25 | 2014-09-17 | 付红萍 | Steam heat accumulator system |
| CN106287623A (en) * | 2016-07-28 | 2017-01-04 | 上海交通大学 | Phase-change heat-storage steam accumulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20180625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |