CN208041250U - It prevents steam discharge pipe anvil cinder from falling off and damages valving - Google Patents
It prevents steam discharge pipe anvil cinder from falling off and damages valving Download PDFInfo
- Publication number
- CN208041250U CN208041250U CN201820373783.1U CN201820373783U CN208041250U CN 208041250 U CN208041250 U CN 208041250U CN 201820373783 U CN201820373783 U CN 201820373783U CN 208041250 U CN208041250 U CN 208041250U
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- Prior art keywords
- steam discharge
- short tube
- steam
- water accumulating
- accumulating disc
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- 239000003818 cinder Substances 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 210000004907 Glands Anatomy 0.000 claims abstract description 28
- 230000003584 silencer Effects 0.000 claims abstract description 6
- 239000010935 stainless steel Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Abstract
It prevents steam discharge pipe anvil cinder from falling off the utility model discloses one kind and damaging valving, including main gland steam exhauster, it is equipped with water accumulating disc below the main gland steam exhauster, steam discharge short tube is equipped with below the water accumulating disc, the steam discharge upper end of short tube is through water accumulating disc, and steam discharge upper end of short tube extends to inside main gland steam exhauster, valve is installed below the steam discharge short tube, steam discharge short tube bottom end is connected with by pressure pipe, both sides have been fixedly connected with fixing bracket above the main gland steam exhauster, silencer is installed at the top of the main gland steam exhauster, steam discharge upper end of short tube side is hinged with cover board, the cover board side is equipped with limiting plate, the limiting plate bottom end is fixedly connected on steam discharge short tube side wall.Such design method can reduce factory power relief valve and safety valve emptying pipe material replaces improvement cost, while be avoided that anvil cinder damages core assembly, improve service life of equipment, improve stabilization of equipment performance, reduce cost of equipment maintenance.
Description
Technical field
The utility model is related to blow-off line technical field, specially one kind prevents steam discharge pipe anvil cinder from falling off and damages valve
Door gear.
Background technology
Thermal power plant is main power supply factory at present of China, high to unit parameter requirement in equipment operation, is
Prevent the operation of thermal power plant over-temp and over-pressure from causing the accident, design is equipped with certain amount on power plant's pressure vessel and pipeline
Safety valve and power relief valve (Pcv valve), and such valve mostly uses greatly import, and buying and maintenance cost are higher.
Safety valve and power relief valve are a kind of protection class valves, are run in the case where setting must be pressure, work as unit operation
In be more than regulation valve pressure value, safety valve and power relief valve will automatically open, and discharge a certain amount of steam so that vapour pressure
Power is down in prescribed limit after operation, and safety valve and power relief valve are automatically closed, but what safety valve and power release designed
Gland steam exhauster is perpendicular to outer space, and evacuated tube is designed to carbon steel piping, after operation in a few years, inside exhaust pipe by rainwater,
Steam steam discharge influences, and corrosion is more serious, and the anvil cinder to fall off falls directly into the valve core inside of safety valve and power relief valve, corrosion
Trim；Sealing surface is damaged when just having anvil cinder to be entrained between spool and valve seat in safety valve and power relief valve switching process,
It causes valve frequently to occur to leak vapour, influences unit safety operation, cause the carbonated drink heat loss of unit serious, influence Unit Economic
Property, and such maintenance of valve is costly, and separate unit safety valve or power release replace a spare part expense and are as high as 200,000 people
People's coin or so, if all safety valves of single unit and power relief valve exhaust pipe renovation at stainless-steel pipe, expense is just
Ten thousand RMB up to more than 100, and can only ensure, without anvil cinder in pipeline, not being avoided that rainwater enters and cause corrosion damage.
Safety valve and power relief valve gland steam exhauster are by main gland steam exhauster, steam discharge short tube, water accumulating disc, water accumulating disc drainpipe, noise elimination
The flange of device pipe and connecting valve ontology forms, and water accumulating disc is welded as entirety with steam discharge short tube, and main gland steam exhauster is whole with silencer
Body.When rainwater and gland steam exhauster anvil cinder are fallen, a part falls into water accumulating disc deposition, while having and being arranged on a small quantity by water accumulating disc drainpipe
It removes；Another part enters safety valve and relief valve internal influence valve service life by steam discharge short tube.
Utility model content
The purpose of this utility model is to provide one kind prevent steam discharge pipe anvil cinder fall off damage valving, with solve
The problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions：One kind prevents steam discharge pipe anvil cinder from falling off
Valving, including main gland steam exhauster are damaged, water accumulating disc is equipped with below the main gland steam exhauster, it is short to be equipped with steam discharge below the water accumulating disc
Pipe, the steam discharge upper end of short tube is through water accumulating disc, and steam discharge upper end of short tube extends to inside main gland steam exhauster, the steam discharge short tube
Lower section is equipped with valve, and steam discharge short tube bottom end is connected with by pressure pipe, and both sides have been fixedly connected with above the main gland steam exhauster
Fixing bracket, the main gland steam exhauster top are equipped with silencer, and steam discharge upper end of short tube side is hinged with cover board, the cover board
Side is equipped with limiting plate, and the limiting plate bottom end is fixedly connected on steam discharge short tube side wall.
Preferably, it is communicated with water accumulating disc drainpipe below the water accumulating disc.
Preferably, the water accumulating disc and steam discharge short tube are stainless steel.
Preferably, it is connected with flange between the steam discharge short tube and valve.
Preferably, the flange is stainless steel.
Compared with prior art, the utility model has the beneficial effects that：Improved valve steam discharge short tube and water accumulating disc are complete
Portion is made of stainless steel, and anti-segment pipe internal corrosion here falls off anvil cinder damage core assembly；Secondly on steam discharge short tube
A cover board is added in mouth section, separates main gland steam exhauster anvil cinder with this and falls into, when safety valve and power relief valve need dump super
When pressing steam, cover board is impacted by high vapour pressure opens discharging decompressing, is opened to perpendicular to nozzle certain position in cover board and installs one additional
Limiting plate works as pipeline pressure release, and after valve is closed, cover board can return lid and close nozzle automatically.Such design method can reduce factory
Power relief valve and safety valve emptying pipe material replace improvement cost, while being avoided that anvil cinder damages core assembly, and raising is set
Standby service life, improves stabilization of equipment performance, reduces cost of equipment maintenance.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
In figure：1 main gland steam exhauster, 2 steam discharge short tubes, 3 water accumulating discs, 4 fixing brackets, 5 silencers, 6 valves, 7 flanges, 8 are pressurized
Pipe, 9 water accumulating disc drainpipes, 10 cover boards, 11 limiting plates.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution：One kind prevents steam discharge pipe anvil cinder from falling off and damages valve
Door gear, including main gland steam exhauster 1,1 lower section of the main gland steam exhauster are equipped with water accumulating disc 3, and 3 lower section of the water accumulating disc is equipped with steam discharge short tube
2,2 upper end of steam discharge short tube is through water accumulating disc 3, and 2 upper end of steam discharge short tube extends to inside main gland steam exhauster 1, the steam discharge
2 lower section of short tube is equipped with valve 6, and 2 bottom end of steam discharge short tube is connected with by pressure pipe 8, and 1 top both sides of the main gland steam exhauster are solid
Surely it is connected with fixing bracket 4,1 top of the main gland steam exhauster is equipped with silencer 5, and 2 upper end side of the steam discharge short tube is hinged with
Cover board 10,10 side of the cover board are equipped with limiting plate 11, and 11 bottom end of the limiting plate is fixedly connected on 2 side wall of steam discharge short tube.
3 lower section of the water accumulating disc is communicated with water accumulating disc drainpipe 9.The water accumulating disc 3 and steam discharge short tube 2 are stainless steel
Matter.It is connected with flange 7 between the steam discharge short tube 2 and valve 6.The flange 7 is stainless steel.
Operation principle：6 steam discharge short tube 2 of improved valve and water accumulating disc 3 are all made of stainless steel, are prevented here
Segment pipe internal corrosion fall off anvil cinder damage core assembly；Secondly in steam discharge short tube 2 suitable for reading sections of additions, one cover board 10, separated with this
1 anvil cinder of main gland steam exhauster is fallen into, and when safety valve and power relief valve need dump superpressure steam, cover board 10 is rushed by high vapour pressure
Discharging decompressing is opened in impact, is opened to perpendicular to nozzle certain position in cover board 10 and is installed a limiting plate 11 additional, works as pipeline pressure release,
After valve 6 is closed, cover board 10 can return lid and close nozzle automatically.Such design method can reduce factory power relief valve and safety
Valve empties pipe material and replaces improvement cost, while being avoided that anvil cinder damages core assembly, improves service life of equipment, raising is set
Standby stability, reduces cost of equipment maintenance.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. one kind prevents steam discharge pipe anvil cinder from falling off and damages valving, including main gland steam exhauster (1), it is characterised in that：It is described
It is equipped with water accumulating disc (3) below main gland steam exhauster (1), steam discharge short tube (2), the steam discharge short tube (2) are equipped with below the water accumulating disc (3)
Upper end is through water accumulating disc (3), and steam discharge short tube (2) upper end extends to inside main gland steam exhauster (1), under the steam discharge short tube (2)
Side is equipped with valve (6), and steam discharge short tube (2) bottom end is connected with by pressure pipe (8), and main gland steam exhauster (1) the top both sides are equal
It is fixedly connected with fixing bracket (4), silencer (5), steam discharge short tube (2) upper end are installed at the top of the main gland steam exhauster (1)
Side is hinged with cover board (10), and cover board (10) side is equipped with limiting plate (11), and limiting plate (11) bottom end is fixedly connected
In steam discharge short tube (2) side wall.
2. one kind according to claim 1 prevents steam discharge pipe anvil cinder from falling off and damages valving, it is characterised in that：Institute
It states and is communicated with water accumulating disc drainpipe (9) below water accumulating disc (3).
3. one kind according to claim 1 prevents steam discharge pipe anvil cinder from falling off and damages valving, it is characterised in that：Institute
It is stainless steel that water accumulating disc (3), which is stated, with steam discharge short tube (2).
4. one kind according to claim 1 prevents steam discharge pipe anvil cinder from falling off and damages valving, it is characterised in that：Institute
It states and is connected with flange (7) between steam discharge short tube (2) and valve (6).
5. one kind according to claim 4 prevents steam discharge pipe anvil cinder from falling off and damages valving, it is characterised in that：Institute
It is stainless steel to state flange (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820373783.1U CN208041250U (en) | 2018-03-20 | 2018-03-20 | It prevents steam discharge pipe anvil cinder from falling off and damages valving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820373783.1U CN208041250U (en) | 2018-03-20 | 2018-03-20 | It prevents steam discharge pipe anvil cinder from falling off and damages valving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208041250U true CN208041250U (en) | 2018-11-02 |
Family
ID=63947804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820373783.1U Active CN208041250U (en) | 2018-03-20 | 2018-03-20 | It prevents steam discharge pipe anvil cinder from falling off and damages valving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208041250U (en) |
-
2018
- 2018-03-20 CN CN201820373783.1U patent/CN208041250U/en active Active
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