CN208750703U - A kind of large circulating fluidized bed boiler residual cake valve - Google Patents
A kind of large circulating fluidized bed boiler residual cake valve Download PDFInfo
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- CN208750703U CN208750703U CN201821196526.1U CN201821196526U CN208750703U CN 208750703 U CN208750703 U CN 208750703U CN 201821196526 U CN201821196526 U CN 201821196526U CN 208750703 U CN208750703 U CN 208750703U
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Abstract
The utility model discloses a kind of large circulating fluidized bed boiler residual cake valves, include valve head, valve seat, thermal insulation material, metal shell, observation window, valve rod, power connecting lever, fixing clamp, actuator, linear bearing, linear guide, pedestal, sealing element, lower cinder notch, lower end, which is set, to be set thermal insulation material valve seat is wrapped in the metal shell of cinder notch, metal shell right end sets pedestal, upper end sets observation window, the connecting pin of pedestal and metal shell sets sealing element sealing, pedestal sets linear guide, linear guide upper end sets linear bearing, the valve rod that the installation of linear bearing upper end is integrally connected with valve head, the power connecting lever of right-angled bend to the right is connected on linear bearing, the right end of power connecting lever sets actuator, actuator is connect with valve rod right end tail portion with fixing clamp, the utility model is safe and reliable under condition of high temperature operation；Stream slag can be rapidly switched off, end-equipment is protected；Shell is not rubescent and can observe deslagging situation, adjusts burning of coal mode in burner hearth convenient for operations staff.
Description
Technical field
The utility model relates to a kind of electrical facility technical field, especially a kind of large circulating fluidized bed boiler deslagging
Valve.
Background technique
Circulating fluid bed boiler slag dreg removing system after valve long-time service, holds using conventional metals slide valve
Easy leakage, bite, damage.A kind of circulating fluid bed boiler residual cake valve of the patent application belongs to electromechanical integration technology neck
Safe and reliable, the automation of valve can be classified as primary by domain by reliable mechanical part plus the equipment of energy remote-control operation.
Domestic existing large circulating fluidized bed boiler clinker residual cake valve is mostly plate valve at present, in longtime running mistake
Cheng Zhong, valve body are influenced to be easy to appear deformation by high temperature, high abrasion, when boiler slag removal is unsmooth or slag cooler accident condition, nothing
Method closes stream slag in time, and there is serious security risks.
The plate valve arrangement of the prior art is as shown in Figure 2: the gate valve of this structure is by valve body 1, valve plate one
1002, the shortcomings that sealing element 1, connecting rod 1 and actuator 1 form, slide valve is exactly valve plate 1 and valve
Body 1 is constituted using metal and (is generally used 310S or 304), long although austenitic stainless steel has high temperature resistance
Phase runs under 900 DEG C of high temperature, the reliability side of equipment it is very poor.In addition the intensity of valve plate 1 becomes very at high temperature
It is low, theoretically 310S metal can in 1150 DEG C or less longtime runnings, but due to slag after, stream slag can to valve plate 1 and
Valve body 1 has impact, and there are impact wears, and metal at high temperature, hardness is lower, and bending resistance anti-twisting property is also deteriorated, and holds
It is also easy to produce one 1002 modification of valve plate, simultaneously because sealing element 1 uses high temperature packing_seal, but due to sealing element one
1003 be the compounding substances such as wind, slag, ash, and leakage is easy after long-time use.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, a kind of large-size circulating fluidized bed by studying
Boiler slag removal valve can cool down valve rod, and sealing valve head also can thoroughly be solved in long-play under high-temperature situation
Ash gate damage and its defect in large circulating fluidized bed boiler tapping process, prevent the running security risk of power plant, and
And this valve is mounted on the outlet of burner hearth slag-drip opening, avoids the problem of slide valve cannot be mounted directly with burner hearth in this way, wraps
Containing valve head, valve seat, thermal insulation material, metal shell, observation window, valve rod, power connecting lever, fixing clamp, actuator, linear bearing,
Linear guide, pedestal, sealing element, lower cinder notch, lower end, which is set, to be set thermal insulation material valve seat is wrapped in the metal shell of cinder notch,
Metal shell right end sets pedestal, upper end sets observation window, and the connecting pin of pedestal and metal shell sets sealing element sealing, and pedestal sets straight line
Guide rail, linear guide upper end set linear bearing, and linear bearing upper end is installed the valve rod being integrally connected with valve head, connected on linear bearing
The power connecting lever of right-angled bend to the right is connect, the right end of power connecting lever sets actuator, actuator and valve rod right end tail portion support card
Circle connection, the utility model are safe and reliable under condition of high temperature operation；Stream slag can be rapidly switched off, end-equipment is protected；Shell is not
It is rubescent and deslagging situation can be observed, burning of coal mode in burner hearth is adjusted convenient for operations staff.
A kind of to achieve the above purpose, the technical solution of the present invention is: large circulating fluidized bed boiler residual cake valve, packet
Containing valve head, valve seat, thermal insulation material, metal shell, observation window, valve rod, power connecting lever, fixing clamp, actuator, linear bearing,
Linear guide, pedestal, sealing element, lower cinder notch, lower end, which is set, to be set thermal insulation material valve seat is wrapped in the metal shell of cinder notch,
Metal shell right end sets pedestal, and the connecting pin of the pedestal and metal shell sets sealing element sealing, and pedestal upper end sets linear guide,
The linear guide upper end sets linear bearing, and installation valve rod is shelved in the linear bearing upper end, outside the valve rod and left end metal
Valve head in shell is integrally connected, and the power connecting lever of right-angled bend to the right is connected on linear bearing, and the right end of the power connecting lever is set
Actuator, the actuator are connect with valve rod right end tail portion with fixing clamp.
The metal shell upper end sets the observation window inside connection.
The beneficial effects of the utility model are: the utility model is safe and reliable under condition of high temperature operation；It can rapidly switch off
Slag is flowed, end-equipment is protected；Shell is not rubescent and can observe deslagging situation, adjusts burning of coal side in burner hearth convenient for operations staff
Formula.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model；
Fig. 2 is the schematic diagram of traditional gate valve.
In figure: valve head 1, valve seat 2, thermal insulation material 3, metal shell 4, observation window 5, valve rod 6, power connecting lever 7, fixing clamp
8, actuator 9, linear bearing 10, linear guide 11, pedestal 12, sealing element 13, lower cinder notch 14, valve body 1, valve plate one
1002, sealing element 1, connecting rod 1, actuator 1.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
As shown in Figure 1, a kind of large circulating fluidized bed boiler residual cake valve, includes valve head 1, valve seat 2, thermal insulation material 3, metal
Shell 4, observation window 5, valve rod 6, power connecting lever 7, fixing clamp 8, actuator 9, linear bearing 10, linear guide 11, pedestal 12,
Sealing element 13, lower cinder notch 14, lower end, which is set, to be set thermal insulation material 3 in the metal shell 4 of cinder notch 14 valve seat 2 is wrapped, metal
4 right end of shell sets pedestal 12, and the connecting pin of the pedestal 12 and metal shell 4 sets the sealing of sealing element 13, and 12 upper end of pedestal is set directly
Line guide rail 11,11 upper end of linear guide set linear bearing 10, and installation valve rod 6 is shelved in 10 upper end of linear bearing, described
Valve rod 6 is integrally connected with the valve head 1 in left end metal shell 4, and the power connecting lever of right-angled bend to the right is connected on linear bearing 10
7, the right end of the power connecting lever 7 sets actuator 9, and the actuator 9 is connect with 6 right end tail portion fixing clamp 8 of valve rod, this reality
With it is novel under condition of high temperature operation it is safe and reliable；Stream slag can be rapidly switched off, end-equipment is protected；Shell is not rubescent and can observe
Deslagging situation adjusts burning of coal mode in burner hearth convenient for operations staff.
4 upper end of metal shell sets the observation window 5 inside connection.
In practical application, the temperature after the discharge of circulating fluid bed boiler slag is at 900 DEG C or so.Clinker is at these temperatures
In solid state, New Cycle fluidized bed ash gate, will solve rubescent valve, leakage, it is dangerous the defects of.
Lime-ash is blowed to valve seat 2 by First air in slag-drip opening by burner hearth bottom ash, and controls the big of the lower quantity of slag by valve head 1
It is small, while valve head 1 is connected with valve rod 6, connection type uses trip welding structure, and valve rod 1 is fixed by fixing clamp 8, supports
8 lower part of retainer ring is equipped with linear bearing 10, and sharing 4 groups of linear bearings 10 supports the weight of entire valve head 1, valve rod 6.Linear axis
It holds 10 and gives its constraint and sports limiting by linear guide 11, ensure that the straight line performance that valve rod 6 moves forward and backward, will not generate partially
Shifting and bite, have ensured the safe and reliable of equipment.Actuator 9 of the power resources of valve rod 6 after power connecting lever 7, actuator 9 are given
The thrust of power connecting lever 7 forward backward is given, and this power is applied on valve rod 6 by lever principle.
In addition all components of driving device are mounted on pedestal 12.Sealing element 13 adds packing structure using positive pressure sealing gland,
Internal high temperature ash, slag, gas can be fully sealed for this structure.Observation window 5 adds positive seal wind technology using high temp glass component,
Guarantee the safety of observer and control is observed at any time to live deslagging situation.Case study on implementation
The outlet of circulating fluidized bed boiler deslagging installs this ash gate and is directly connected with burner hearth slag-drip opening, intermediate not by appointing
What switching part is smoothly flowed out apart from short convenient for burner hearth lime-ash.
Circulating fluidized bed boiler material returning device installs the circulating fluidized bed boiler that this ash gate has external bed apparatus, and installation should
Equipment can control material returning device to the ash quantity of external bed, indirectly control the temperature of external bed heating surface piping.
The structure is pyramidal structure, and valve head can be made spheroiding or square cone, valve seat can also be fabricated to different shapes
Shape, according further to needing also to can change size and layout, convenient for the installation at scene.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.
The technical staff of the industry is also aware that the utility model is not limited by above-mentioned case study on implementation, above-mentioned case study on implementation and specification
Described in only illustrate the principles of the present invention, do not depart from the utility model design scope under the premise of, the utility model
It will also have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.This is practical new
Type is claimed range and is defined by the appending claims and its equivalent thereof.
Claims (2)
1. a kind of large circulating fluidized bed boiler residual cake valve, it is characterised in that: include valve head (1), valve seat (2), thermal insulation material
(3), metal shell (4), observation window (5), valve rod (6), power connecting lever (7), fixing clamp (8), actuator (9), linear bearing
(10), linear guide (11), pedestal (12), sealing element (13), lower cinder notch (14), the metal shell of cinder notch (14) is set in lower end
(4) set thermal insulation material (3) in valve seat (2) wrapped, metal shell (4) right end is set pedestal (12), the pedestal (12) with
The connecting pin of metal shell (4) sets sealing element (13) sealing, and pedestal (12) upper end sets linear guide (11), the linear guide
(11) upper end is set linear bearing (10), and installation valve rod (6), the valve rod (6) and left end are shelved in linear bearing (10) upper end
Valve head (1) in metal shell (4) is integrally connected, and the power connecting lever (7) of right-angled bend to the right, institute are connected on linear bearing (10)
The right end for stating power connecting lever (7) is set actuator (9), and the actuator (9) and valve rod (6) right end tail portion are connected with fixing clamp (8)
It connects.
2. a kind of large circulating fluidized bed boiler residual cake valve as described in claim 1, it is characterised in that: the metal shell (4)
Upper end sets the observation window (5) inside connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821196526.1U CN208750703U (en) | 2018-07-26 | 2018-07-26 | A kind of large circulating fluidized bed boiler residual cake valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821196526.1U CN208750703U (en) | 2018-07-26 | 2018-07-26 | A kind of large circulating fluidized bed boiler residual cake valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208750703U true CN208750703U (en) | 2019-04-16 |
Family
ID=66057721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821196526.1U Active CN208750703U (en) | 2018-07-26 | 2018-07-26 | A kind of large circulating fluidized bed boiler residual cake valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208750703U (en) |
-
2018
- 2018-07-26 CN CN201821196526.1U patent/CN208750703U/en active Active
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