CN203454119U - Plate turning type slag inlet control valve - Google Patents
Plate turning type slag inlet control valve Download PDFInfo
- Publication number
- CN203454119U CN203454119U CN201320417272.2U CN201320417272U CN203454119U CN 203454119 U CN203454119 U CN 203454119U CN 201320417272 U CN201320417272 U CN 201320417272U CN 203454119 U CN203454119 U CN 203454119U
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- China
- Prior art keywords
- slag
- control valve
- valve body
- deslagging
- plate type
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- Expired - Fee Related
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- 239000002893 slag Substances 0.000 title claims abstract description 130
- 239000000463 material Substances 0.000 claims abstract description 33
- 230000007306 turnover Effects 0.000 claims description 54
- 230000009970 fire resistant effect Effects 0.000 claims description 10
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 7
- 239000010884 boiler slag Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 8
- 239000002245 particle Substances 0.000 abstract 1
- 239000010802 sludge Substances 0.000 description 13
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000010797 grey water Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a plate turning type slag inlet control valve. The plate turning type slag inlet control valve comprises a valve body connected with a slag dropping guide pipe of a fluidized bed boiler, wherein the valve body is provided with a slag receiving port of the slag dropping guide pipe; a slag discharging turning plate which is connected and matched with the slag receiving port of the slag dropping guide pipe is arranged along the slag receiving port of the slag dropping guide pipe, and an inner cavity of the valve body, below the slag discharging turning plate, serves as a slag dropping channel; one end of the slag discharging turning plate is connected to the valve body through a rotating shaft, and the rotating shaft is connected with a driving connecting rod connected with an external servo motor; the plate turning type slag inlet control valve is adopted, when a cold slag system has a fault, a slag discharging cutting valve is utilized to isolate the connection of a boiler furnace and the cold slag system, the discharging of hot slags is stopped, the slags are smoothly dropped, and the plate turning type slag inlet control valve is strictly closed; the service life of a slag discharging valve is long, the effect is good, and the plate turning type slag inlet control valve is suitable for boiler slagging discharging devices and high-temperature particle material cooling devices in industrial fields such as power plants, oil and chemical industry and are particularly suitable for hot boiler slag discharging cooling systems of circulating fluidized beds.
Description
Technical field
The utility model relates to the generating set equipment of being furnished with CFBB, particularly a kind of turnover plate type slag input control valve.
Background technology
The generating set of being furnished with CFBB is the important directions of China's clean energy resource development, the normal operating deslagging of CFBB by scum pipe drain in slag cooler, carry out cooling, the connection that completely cuts off boiler furnace and cold slag system with deslagging shut-off valve when there is cold slag system fault, stops warm sludge and arranges outward.
Utility model content
The utility model is a kind of turnover plate type slag input control valve of circulating fluid bed boiler deslagging, adopt Rational structure, reliably control boiler slag removal and control bed drain purge and regulate within the specific limits, meet boiler operatiopn load variations and ature of coal and change the bed drain purge variation needs that cause, the needs of the different operating conditions of the outside cold slag equipment of simultaneous adaptation.
The purpose of this utility model realizes by following technical proposals.
A kind of turnover plate type slag input control valve, comprise the valve body that the slag conduit that falls with fluidized-bed combustion boiler joins, the slag dropping tube that is provided with of described valve body is led slag interface, leads slag interface be provided with and its deslagging turnover panel that joins and coordinate along slag dropping tube, and the below body cavity of deslagging turnover panel is the slag passage that falls; One end of deslagging turnover panel is connected on described valve body by turning cylinder, and turning cylinder is connected with the driving connecting rod being connected with outside servomotor.
Further, described valve body comprises outside residual cake valve housing and the inner fire-resistant abrasion-proof insulated pouring bed of material, and the fire-resistant abrasion-proof insulated pouring bed of material is divided into two-layer, is followed successively by from outside to inside the insulated pouring bed of material, abrasion-proof and refractory pouring material layer or the anti-wear plastic bed of material.
Further, described insulated pouring thickness of feed layer is 100-150mm, and abrasion-proof and refractory pouring material layer thickness is 50-120mm, and anti-wear plastic thickness of feed layer is 40-80mm.
Further, the bitch that the described fire resistant heat preserving cast bed of material adopts high-temperature alloy steel to make is fixed, insulated pouring material, abrasion-proof and refractory pouring material and corrosive-proof plastic material, and bitch is fixedly welded on residual cake valve housing.
Further, the caliber of described valve body is greater than the caliber of slag conduit, and the top of valve body is established slag dropping tube and led slag interface, and it is isometrical with the slag conduit that falls that described slag dropping tube is led slag interface, and to slag input turnover panel side roll steer; Described slag dropping tube is led slag interface and is formed after turning to along the fall projection of slag vias inner walls of valve body valve body is tilted, and the lower surface that slag dropping tube is led slag interface coordinates with deslagging turnover panel close contact.
Further, to lead slag interface steering angle be 20 °～30 ° to described slag dropping tube.
Further, it is hole enlargement end that described valve body is greater than slag conduit caliber end, and its lower surface is the conical surface, and this conical surface is identical with the lower surface gradient that slag dropping tube is led slag interface projection.
Further, described turning cylinder is arranged on valve body with respect to the upper lateral part of the slag passage that falls, and at turning cylinder, passes spring compression sealing is set on valve shell body.
Further, described deslagging turnover panel adopts high temperature resistant stainless steel foundry goods, at the upper surface of deslagging turnover panel, is coated with wearing layer.
The utility model adopts turnover plate type slag input control valve, and the connection that completely cuts off boiler furnace and cold slag system with this valve when there is cold slag system fault, stops warm sludge and arrange outward.It there will not be the bite problem of flashboard residual cake valve.The slag that falls is smooth and easy, and can close tight.The long service life of its residual cake valve, effective.The boiler slag device and the high temperature granular material cooling device that are applicable to the industrial circles such as power plant, oil, chemical industry, be specially adapted to CFBB Hot slag and arrange cooling system outward.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: 1 is the fire-resistant abrasion-proof insulated pouring bed of material; 2 is external drive connecting rod; 3 is turning cylinder; 4 is deslagging turnover panel; 5 lead slag interface for slag dropping tube; 6 is residual cake valve housing; 7, the slag conduit that falls.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
As shown in Figure 1, this turnover plate type slag input control valve, comprise the valve body that the slag conduit 7 that falls with fluidized-bed combustion boiler joins, the slag dropping tube that is provided with of valve body is led slag interface 5, along slag dropping tube, leading slag interface 5 is provided with and joins with it and coordinate tight deslagging turnover panel 4, one end of deslagging turnover panel 4 is connected on described valve body by turning cylinder 3, and turning cylinder 3 is connected with the driving connecting rod 2 being connected with outside servomotor.
Introduce respectively slagging coutrol valve main composition part and effect below.
In figure, sequence number 1 is the fire-resistant abrasion-proof insulated pouring bed of material.The outer ordinary carbon steel tube shell that adopts, builds fire resistant heat preserving castable in housing, be divided into two-layerly, by residual cake valve housing to residual cake valve inside, lays successively the thick insulated pouring material of 100-150mm, the thick abrasion-proof and refractory pouring material of 50-120mm or the thick corrosive-proof plastic material of 40-80mm.The bitch that fire resistant heat preserving castable employing high-temperature alloy steel is made is insulated pouring material, abrasion-proof and refractory pouring material and corrosive-proof plastic material fixedly, and bitch is fixedly welded on residual cake valve housing.
In figure, sequence number 2 is the external drive connecting rod of turnover panel slagging coutrol valve.
In figure, sequence number 3 is the turning cylinder of turnover panel slagging coutrol valve, and external drive connecting rod 2 is connected with deslagging turnover panel 4, transmits and drives the rotatory force of connecting rod 2 to turnover panel, guarantees that panel turnover switch is flexible.
In figure, sequence number 4 is the deslagging turnover panel of turnover panel slagging coutrol valve, adopts high temperature resistant stainless steel foundry goods, at the upper surface of deslagging turnover panel 4, is coated with wearing layer, increases high temperature deformation resistance ability and high temperature resistance wearing and tearing ability.For strengthening its high-temperature wearable ability, in contact warm sludge side, carry out wear-resisting spraying, to extend the service life of residual cake valve, extend turn(a)round.
In figure, sequence number 5 is led slag section for what coordinate with deslagging turnover panel close contact, by corrosive-proof plastic material and high-temperature alloy steel, is pressganged able-bodied men and is formed.Corrosive-proof plastic material is attached to high-temperature alloy steel and pressgangs able-bodied men above, and bitch is fixedly welded on residual cake valve housing.
In figure, sequence number 6 is turnover panel slagging coutrol valve external shell, by carbon steel and corrosion resistant plate welding, is formed.
In figure, sequence number 7 is the slag conduit that falls, and with the isometrical design of slag dropping tube on its top, guarantees that slag is smooth and easy.
The caliber of valve body is greater than the caliber of slag conduit 7, and the top of valve body is established slag dropping tube and led slag interface 5, and it is isometrical with the slag conduit 7 that falls that slag dropping tube is led slag interface 5, and to slag input turnover panel 4 side roll steers, controlling steering angle is at 20 °～30 °; Slag dropping tube is led slag interface 5 and is formed after turning to along the fall projection of slag vias inner walls of valve body valve body is tilted, and the lower surface that slag dropping tube is led slag interface 5 coordinates with deslagging turnover panel 4 close contacts.The hole enlargement end lower surface that valve body is greater than slag conduit 7 calibers is the conical surface, and under hole enlargement end, to lead slag interface 5 identical along the fall gradient of protruding lower surface of slag vias inner walls of valve body for the conical surface and slag dropping tube.
Turning cylinder 3 is arranged on valve body with respect to the upper lateral part of the slag passage that falls, and at turning cylinder, passes spring compression sealing is set on valve shell body.
Principle of the present utility model is:
Slagging coutrol valve is arranged on circulating fluidized bed boiler sullage pipe road, and near burner hearth slag-drip opening place, according to boiler actual motion, need to adjust burner hearth bed depth.In the course of work, only need to drive and drive connecting rod 2 by outside servomotor, deslagging turnover panel 4 be take to turning cylinder 3 and as pivot point is rotated, open to the arbitrary aperture in adjustable range, control burner hearth warm sludge and discharge.Deslagging turnover panel 4 adopts external drive, and during unlatching, deslagging turnover panel 4 is downwards along axle rotation, and simple opening, stops without external force; While closing, deslagging turnover panel 4, upwards along turning cylinder 3 rotations, is subject to the warm sludge impact that whereabouts is moved on top, need to overcome warm sludge impulsive force and warm sludge gravity, and outside must provide certain driving force.The bite problem that there will not be flashboard residual cake valve.
In figure, slag dropping tube is led slag interface 5 and is designed to close contact with deslagging turnover panel 4 and coordinates, and slag dropping tube is led the isometrical design of slag conduit 7 that falls on slag interface 5 and its top, guarantees that slag is smooth and easy, and can close tight.
Slagging coutrol valve adopts steel external shell structure sheaf, is pressganged able-bodied men and formed by abrasion-proof and refractory insulated pouring material and high-temperature alloy steel in inside.Abrasion-proof and refractory insulated pouring material is attached to high-temperature alloy steel and pressgangs able-bodied men above, and bitch is fixedly welded on residual cake valve housing.This kind of structural design guaranteed that the integrally-built intensity of residual cake valve guarantees, be applicable to discharge the needs of warm sludge simultaneously, and can guarantee that heat does not penetrate out, slagging coutrol valve housing appearance temperature is controlled at below 50 ℃, effectively improves the working environment of boiler slag removal system.On residual cake valve, adopt wearing layer design, can effectively strengthen the antiwear property of residual cake valve, the service life of improving residual cake valve simultaneously.
Residual cake valve turnover panel turning cylinder passes the Seal Design that residual cake valve housing position adopts spring compression sealing strip form, can effectively guarantee sealing, prevents that inner warm sludge is excessive, and can under residual cake valve frequent, still effectively play sealing effectiveness.
Residual cake valve can connect by flange, weld two kinds of modes and be connected with upper and lower scum pipe, and interface mode is easy, and maintenance and installation are fast.
Slagging coutrol valve is arranged on circulating fluidized bed boiler sullage pipe road, and near burner hearth slag-drip opening place, according to boiler actual motion, need to adjust burner hearth bed depth.In the course of work, only need to drive and drive connecting rod 2 by outside servomotor, deslagging turnover panel 4 be take to turning cylinder 3 and as pivot point is rotated, open to the arbitrary aperture in adjustable range, control burner hearth warm sludge and discharge.Deslagging turnover panel adopts external drive, and during unlatching, turnover panel is downwards along axle rotation, and simple opening, stops without external force; While closing, deslagging turnover panel, upwards along axle rotation, is subject to the warm sludge impact that whereabouts is moved on top, need to overcome warm sludge impulsive force and warm sludge gravity, and outside must provide certain driving force, there will not be the bite problem of flashboard residual cake valve.The boiler slag device and the high temperature granular material cooling device that are applicable to the industrial circles such as power plant, oil, chemical industry, be specially adapted to CFBB Hot slag and arrange cooling system outward.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model; can not assert that the specific embodiment of the present utility model only limits to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; can also make some simple deduction or replace, all should be considered as belonging to the utility model and determine scope of patent protection by submitted to claims.
Claims (9)
1. a turnover plate type slag input control valve, it is characterized in that, comprise the valve body that the slag conduit (7) that falls with fluidized-bed combustion boiler joins, the slag dropping tube that is provided with of described valve body is led slag interface (5), along slag dropping tube, lead slag interface (5) and be provided with and its deslagging turnover panel (4) that joins and coordinate, the below body cavity of deslagging turnover panel (4) is the slag passage that falls; One end of deslagging turnover panel (4) is connected on described valve body by turning cylinder (3), and turning cylinder (3) is connected with the driving connecting rod (2) being connected with outside servomotor.
2. turnover plate type slag input control valve according to claim 1, it is characterized in that, described valve body comprises outside residual cake valve housing (6) and the inner fire-resistant abrasion-proof insulated pouring bed of material (1), the fire-resistant abrasion-proof insulated pouring bed of material (1) is divided into two-layer, is followed successively by from outside to inside the insulated pouring bed of material, abrasion-proof and refractory pouring material layer or the anti-wear plastic bed of material.
3. turnover plate type slag input control valve according to claim 2, is characterized in that, described insulated pouring thickness of feed layer is 100-150mm, and abrasion-proof and refractory pouring material layer thickness is 50-120mm, and anti-wear plastic thickness of feed layer is 40-80mm.
4. turnover plate type slag input control valve according to claim 2, it is characterized in that, the bitch that in the described fire resistant heat preserving cast bed of material (1), employing high-temperature alloy steel is made is insulated pouring material, abrasion-proof and refractory pouring material and corrosive-proof plastic material fixedly, and bitch is fixedly welded on residual cake valve housing (6).
5. turnover plate type slag input control valve according to claim 1, it is characterized in that, the caliber of described valve body is greater than the caliber of slag conduit (7), the top of valve body is established slag dropping tube and is led slag interface (5), it is isometrical with the slag conduit (7) that falls that described slag dropping tube is led slag interface (5), and to slag input turnover panel (4) side roll steer; Described slag dropping tube is led slag interface (5) and is formed after turning to along the fall projection of slag vias inner walls of valve body valve body is tilted, and the lower surface that slag dropping tube is led slag interface (5) coordinates with deslagging turnover panel (4) close contact.
6. turnover plate type slag input control valve according to claim 5, is characterized in that, it is 20 °～30 ° that described slag dropping tube is led slag interface (5) steering angle.
7. turnover plate type slag input control valve according to claim 5, is characterized in that, it is hole enlargement end that described valve body is greater than slag conduit (7) caliber end, and its lower surface is the conical surface, and this conical surface is identical with the lower surface gradient that slag dropping tube is led slag interface (5) projection.
8. turnover plate type slag input control valve according to claim 1, is characterized in that, described turning cylinder (3) is arranged on valve body with respect to the upper lateral part of the slag passage that falls, and at turning cylinder, passes spring compression sealing is set on valve shell body.
9. turnover plate type slag input control valve according to claim 1, is characterized in that, described deslagging turnover panel (4) adopts high temperature resistant stainless steel foundry goods, at the upper surface of deslagging turnover panel (4), is coated with wearing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320417272.2U CN203454119U (en) | 2013-07-12 | 2013-07-12 | Plate turning type slag inlet control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320417272.2U CN203454119U (en) | 2013-07-12 | 2013-07-12 | Plate turning type slag inlet control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203454119U true CN203454119U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320417272.2U Expired - Fee Related CN203454119U (en) | 2013-07-12 | 2013-07-12 | Plate turning type slag inlet control valve |
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| Country | Link |
|---|---|
| CN (1) | CN203454119U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283718A (en) * | 2020-11-12 | 2021-01-29 | 赵俊杰 | Movable full-automatic integrated machine for incineration, burial and disinfection of hazardous waste solids |
-
2013
- 2013-07-12 CN CN201320417272.2U patent/CN203454119U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283718A (en) * | 2020-11-12 | 2021-01-29 | 赵俊杰 | Movable full-automatic integrated machine for incineration, burial and disinfection of hazardous waste solids |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180423 Address after: 710065 No. 2, unit A7, Fenglin oasis, two tech four road, Yanta District, Xi'an, Shaanxi, 1601 Patentee after: Luo Zheng Address before: 710065 1001 Tang Feng International D block 18, Fenghui South Road, hi tech Zone, Xi'an, Shaanxi. Patentee before: Xi'an Xingyi Power Generation & Commissioning Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20200712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |