CN218409905U - Boiler superheated steam temperature adjusting safety pipeline - Google Patents
Boiler superheated steam temperature adjusting safety pipeline Download PDFInfo
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- CN218409905U CN218409905U CN202222883988.3U CN202222883988U CN218409905U CN 218409905 U CN218409905 U CN 218409905U CN 202222883988 U CN202222883988 U CN 202222883988U CN 218409905 U CN218409905 U CN 218409905U
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- water pipe
- temperature
- mounting bracket
- temperature reduction
- thick bamboo
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Abstract
The utility model discloses a boiler superheated steam temperature adjusts safety pipe, including temperature reduction water pipe, mounting bracket and a whirl section of thick bamboo, the lower extreme fixedly connected with main water pipe of temperature reduction water pipe, the one end of main water pipe is provided with the water inlet, the surface of main water pipe is provided with electric valve, the one end of temperature reduction water pipe is fixed with the mounting bracket, the inside of mounting bracket is provided with the cavity, and is fixed with a whirl section of thick bamboo in the cavity of mounting bracket, the surface of a whirl section of thick bamboo evenly is provided with into water passageway. This safety pipeline is adjusted to overheated vapour temperature of boiler is provided with the temperature reduction water pipe and heat preservation intermediate layer for this device cuts off the temperature of external world through the temperature reduction water pipe, reduces the influence and the damage of external temperature to inside pipe fitting, and the heat resistance of temperature reduction water pipe self has prolonged the life of this device, keeps the temperature of temperature reduction water through the heat preservation intermediate layer, guarantees the subsequent cooling effect of this device.
Description
Technical Field
The utility model relates to a thermal power boiler technical field specifically is a safety pipeline is adjusted to overheated steam temperature of boiler.
Background
At present, the boiler steam temperature of thermal power factory is adjusted and is mainly had three kinds of regulation modes: the method comprises the steps of adjusting a smoke temperature baffle, adjusting inclination angle swing of a combustor and spraying and adjusting desuperheating water, wherein the desuperheating water is only used as an emergency temporary means for preventing steam temperature from suddenly changing and exceeding when the combustion working condition of a boiler is greatly disturbed, and if the working condition occurs, a superheater desuperheating water adjusting valve needs to follow up effective adjustment in time, so that the slow drop stability of steam temperature parameters is ensured.
The pipeline and the nozzle of the existing temperature-reducing water spraying system are close to the boiler superheater and the reheater, the pipeline and the nozzle are outside in a high-temperature environment for a long time, the temperature-reducing water with relatively low temperature flows in the pipeline, the inner wall and the outer wall of the temperature-reducing water pipe can generate thermal fatigue cracks alternately due to cold and heat, the practicability is reduced due to easy damage, the existing temperature-reducing water is directly sprayed out from the temperature-reducing water pipe, atomization is insufficient, the contact area with steam is small, and the effective heat exchange rate is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a boiler superheated steam temperature adjusts safety pipe to solve the cold and hot easy damage in turn of the desuperheating water pipeline that proposes in the above-mentioned background art, desuperheating water is direct from the not enough problem of ejection atomizing in the desuperheating water pipe.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a boiler superheated steam temperature adjusts safety line, includes temperature reduction water pipe, mounting bracket and whirl section of thick bamboo, the lower extreme fixedly connected with main water pipe of temperature reduction water pipe, the one end of main water pipe is provided with the water inlet, the surface of main water pipe is provided with electric valve, the one end of temperature reduction water pipe is fixed with the mounting bracket, the inside of mounting bracket is provided with the cavity, and is fixed with a whirl section of thick bamboo in the cavity of mounting bracket, the surface of whirl section of thick bamboo evenly is provided with water inlet channel, a whirl section of thick bamboo is provided with supplementary opening towards the one end of temperature reduction water pipe, the cavity inner wall of temperature reduction water pipe is fixed with the heat preservation intermediate layer, and the interbedded cavity inner wall that just keeps warm is fixed with the inner tube.
Preferably, the lower end of the temperature reduction water pipe is fixed on the surface of the main water pipe between the water inlet and the electric valve, and the lower end of the temperature reduction water pipe is communicated with the main water pipe.
Adopt above-mentioned technical scheme, wait to use in leading-in this device of cooling water through the water inlet when using this device to through the flow of cooling water in the electric valve control main water pipe, the temperature reduction water pipe uses the inside cooling water leading-in desuperheating water pipe through its flow control mechanism simultaneously.
Preferably, the mounting bracket is the design of cylinder type, and the one end of mounting bracket orientation temperature reduction water pipe is the opening design to the surface of the mounting bracket other end is provided with the delivery port.
Adopt above-mentioned technical scheme, transport the cooling water through the cooling water pipe when using this device, leading-in to the inside of mounting bracket at last because be provided with inhalant canal between mounting bracket and the whirl section of thick bamboo for the cooling water flows into a whirl section of thick bamboo from inhalant canal.
Preferably, the cyclone cylinder is designed to be cylindrical, an opening with the same size as the water outlet of the mounting frame is formed in one end of the cyclone cylinder, and the inner wall of the opening of the cyclone cylinder is designed to be inclined.
Adopt above-mentioned technical scheme, will get into its inside cooling water through a whirl section of thick bamboo and spout when using this device for the cooling water cools down steam through the blowout of mounting bracket delivery port from the opening part of a whirl section of thick bamboo.
Preferably, the cross section of the water inlet channel is in an inclined long strip shape, and the auxiliary opening is concentric with the water outlet of the mounting frame.
Adopt above-mentioned technical scheme, when using this device, the shape that the cooling water passes through the inhalant canal slope flows into a whirl section of thick bamboo and forms the whirl, and the supplementary opening also introduces the cooling water simultaneously, and the cooling water blowout mounting bracket of supplementary whirl is cooled down.
Preferably, the heat-insulating interlayer is a pipe sleeve filled and supported by rigid polyurethane foam plastics, and the temperature-reducing water pipe is a pipe sleeve woven by high-expansion alkali-free glass fiber sand.
Adopt above-mentioned technical scheme, when using this device, keep warm through the heat preservation intermediate layer to the desuperheating water of inside, prevent that the boiler from heating it to protect the influence that the inside pipeline reduced ambient temperature through the desuperheating water pipe.
Compared with the prior art, the beneficial effects of the utility model are that: this boiler superheated steam temperature adjusts safety line:
1. the temperature-reducing water pipe and the heat-insulating interlayer are arranged, so that the device is isolated from the outside temperature through the temperature-reducing water pipe, the damage of the outside temperature to the internal pipe fitting is reduced, the heat resistance of the temperature-reducing water pipe prolongs the service life of the device, and the subsequent temperature-reducing effect of the device is ensured by keeping the temperature of the temperature-reducing water through the heat-insulating interlayer;
2. the device is provided with an auxiliary opening and a water inlet channel, so that the device guides the desuperheating water from the desuperheating water pipe into the mounting frame, the desuperheating water enters the cyclone cylinder from the auxiliary opening, the desuperheating water flows along the inclined direction of the auxiliary opening due to the inclined design of the auxiliary opening, so that a cyclone is formed in the cyclone cylinder, and the desuperheating water flows into the cyclone cylinder from the auxiliary opening due to certain pressure maintained in the desuperheating water flow, so that the cyclone is driven to be sprayed out, the atomization effect is further enhanced, and the heat exchange rate of the desuperheating water is improved;
3. be provided with water inlet and electric valve, this device is held through the end setting of intaking with the temperature reduction water pipe between water inlet and electric valve for the temperature reduction water does not drop into by factors such as valve resistance, water pressure difference, improves the effect of steam temperature cooling, accelerates cooling speed, guarantees the safe economic operation of equipment and unit.
Drawings
FIG. 1 is a schematic view of the overall front view structure of the present invention;
FIG. 2 is a schematic side sectional view of the present invention;
FIG. 3 is a schematic view of the sectional view of the connection between the temperature-reducing water pipe and the mounting frame;
fig. 4 is the schematic view of the sectional side view structure of the cyclone cylinder connected with the water inlet channel.
In the figure: 1. a temperature-reducing water pipe; 2. a water inlet; 3. a main water pipe; 4. an electrically operated valve; 5. a mounting frame; 6. a cyclone cylinder; 7. a water inlet channel; 8. an auxiliary opening; 9. a heat-insulating interlayer; 10. an inner tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a boiler superheated steam temperature adjusts safety line, including reducing temperature water pipe 1, water inlet 2, main water pipe 3, electric valve 4, mounting bracket 5, whirl section of thick bamboo 6, inhalant canal 7, supplementary opening 8, heat preservation intermediate layer 9 and inner tube 10, the lower extreme fixedly connected with main water pipe 3 of reducing temperature water pipe 1, the one end of main water pipe 3 is provided with water inlet 2, the surface of main water pipe 3 is provided with electric valve 4, main water pipe 3 surface between water inlet 2 and electric valve 4 is fixed to the lower extreme of reducing temperature water pipe 1, and communicate each other between the lower extreme of reducing temperature water pipe 1 and the main water pipe 3, when using this device, at first pour water into the cavity to main water pipe 3 from water inlet 2 and wait for use, make this device pass through the flow of the inside water of electric valve 4 control main water pipe 3, and because the lower extreme setting of reducing temperature water pipe 1 is between water inlet 2 and electric valve 4, make reducing temperature water pipe 1 draw the cooling water when using through the control mechanism on its surface not receive the valve resistance, water pressure difference factor influence such as no resistance, make the reducing temperature drop into, improve the speed of rivers convenient.
The one end of temperature reduction water pipe 1 is fixed with mounting bracket 5, and mounting bracket 5 is the design of cylinder type, and mounting bracket 5 is the opening design towards the one end of temperature reduction water pipe 1 to the surface of the 5 other ends of mounting bracket is provided with the delivery port, when needs are to steam cooling through temperature reduction water pipe 1 with the leading-in mounting bracket 5 of temperature reduction water, because only be provided with inhalant canal 7 between mounting bracket 5 and the whirl section of thick bamboo 6, make temperature reduction water flow into whirl section of thick bamboo 6 from inhalant canal 7.
The inside of mounting bracket 5 is provided with the cavity, and be fixed with a whirl section of thick bamboo 6 in the cavity of mounting bracket 5, a whirl section of thick bamboo 6 is the cylinder design, and the one end of a whirl section of thick bamboo 6 is provided with the opening the same with 5 delivery port sizes of mounting bracket, and 6 open-ended inner walls of a whirl section of thick bamboo are the slope design, the temperature reduction water forms the whirl through inlet channel 7 after flowing into a whirl section of thick bamboo 6, and the delivery port blowout through an opening of a whirl section of thick bamboo 6 and mounting bracket 5 is cooled down steam, the speed of rivers is improved through the slope design of 6 open-ended inner walls of a whirl section of thick bamboo to this device, the efficiency of cooling is improved.
The surface of a whirl section of thick bamboo 6 evenly is provided with inlet channel 7, a whirl section of thick bamboo 6 is provided with supplementary opening 8 towards the one end of temperature reduction water pipe 1, inlet channel 7's cross-section is the design of rectangular shape of slope, supplementary opening 8 is concentric with the delivery port of mounting bracket 5, the cross-section inflow whirl section of thick bamboo 6 that the temperature reduction water passes through inlet channel 7 slope, make the temperature reduction water flow along with the direction of inlet channel 7 slope, thereby form the whirl in a whirl section of thick bamboo 6, and still keep pressure after the temperature reduction water pipe 1 flows into mounting bracket 5 because the temperature reduction water, therefore the temperature reduction water can follow supplementary opening 8 entering whirl section of thick bamboo 6, the quick blowout of whirl that the drive inlet channel 7 formed, the velocity of flow of temperature reduction water has been accelerated, further reinforcing atomization effect, the heat exchange rate of temperature reduction water is improved.
The cavity inner wall of heat preservation water pipe 1 is fixed with heat preservation intermediate layer 9, and the cavity inner wall of heat preservation intermediate layer 9 is fixed with inner tube 10, heat preservation intermediate layer 9 is the pipe box that is filled the support by rigid polyurethane foam, heat preservation water pipe 1 is the pipe of being woven by high-expansion pine alkali-free glass fiber sand, at this device during operation, the material through heat preservation water pipe 1 is isolated to the temperature in the external world, reduce the ambient temperature and damage the influence of internal component, and the high temperature resistance of heat preservation water pipe 1 improves the practicality increase of this device life, this device keeps warm through heat preservation intermediate layer 9 to the inside heat preservation water, prevent that external high temperature from heating the heat preservation water, thereby influence subsequent cooling effect.
The working principle is as follows: when using this boiler superheated steam temperature to adjust safety pipe, at first pour water into to main water pipe 3's cavity from water inlet 2, the flow of 3 inside water of main water pipe is controlled through electric valve 4 to this device, when needs are to steam cooling the leading-in mounting bracket 5 of desuperheating water through desuperheating water pipe 1, make desuperheating water flow into a whirl section of thick bamboo 6 formation whirl from inhalant canal 7, and keep the desuperheating water of pressure to get into a whirl section of thick bamboo 6 blowout of having accelerated the desuperheating water from supplementary opening 8, whole practicality has been increased.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a safe pipeline is adjusted to overheated steam temperature of boiler, includes temperature reduction water pipe (1), mounting bracket (5) and whirl section of thick bamboo (6), its characterized in that: the utility model discloses a water pump, including temperature reduction water pipe (1), the one end of main water pipe (3) is provided with water inlet (2), the surface of main water pipe (3) is provided with electric valve (4), the one end of temperature reduction water pipe (1) is fixed with mounting bracket (5), the inside of mounting bracket (5) is provided with the cavity, and is fixed with a whirl section of thick bamboo (6) in the cavity of mounting bracket (5), the surface of a whirl section of thick bamboo (6) evenly is provided with into water passageway (7), the one end of a whirl section of thick bamboo (6) orientation temperature reduction water pipe (1) is provided with auxiliary opening (8), the cavity inner wall of temperature reduction water pipe (1) is fixed with heat preservation intermediate layer (9), and the cavity inner wall of heat preservation intermediate layer (9) is fixed with inner tube (10).
2. The boiler superheated steam attemperation safety line of claim 1, wherein: the lower end of the temperature reduction water pipe (1) is fixed on the surface of the main water pipe (3) between the water inlet (2) and the electric valve (4), and the lower end of the temperature reduction water pipe (1) is communicated with the main water pipe (3).
3. The boiler superheated steam attemperation safety line of claim 1, wherein: mounting bracket (5) are the design of cylinder type, and mounting bracket (5) are the opening design towards the one end of cooling water pipe (1) to the surface of mounting bracket (5) other end is provided with the delivery port.
4. The boiler superheated steam temperature adjusting safety pipeline according to claim 1, characterized in that: the cyclone cylinder (6) is designed to be cylindrical, an opening with the same size as the water outlet of the mounting frame (5) is formed in one end of the cyclone cylinder (6), and the inner wall of the opening of the cyclone cylinder (6) is designed to be inclined.
5. The boiler superheated steam temperature adjusting safety pipeline according to claim 1, characterized in that: the cross section of the water inlet channel (7) is in an inclined strip-shaped design, and the auxiliary opening (8) is concentric with the water outlet of the mounting rack (5).
6. The boiler superheated steam temperature adjusting safety pipeline according to claim 1, characterized in that: the heat-insulating interlayer (9) is a pipe sleeve filled and supported by rigid polyurethane foam plastic, and the temperature-reducing water pipe (1) is a pipe woven by high-expansion alkali-free glass fiber sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222883988.3U CN218409905U (en) | 2022-10-31 | 2022-10-31 | Boiler superheated steam temperature adjusting safety pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222883988.3U CN218409905U (en) | 2022-10-31 | 2022-10-31 | Boiler superheated steam temperature adjusting safety pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218409905U true CN218409905U (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222883988.3U Active CN218409905U (en) | 2022-10-31 | 2022-10-31 | Boiler superheated steam temperature adjusting safety pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218409905U (en) |
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2022
- 2022-10-31 CN CN202222883988.3U patent/CN218409905U/en active Active
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