CN207036458U - A kind of supercritical CO 2 combined-circulation once-through boiler experimental rig for being disposed with gas burner - Google Patents
A kind of supercritical CO 2 combined-circulation once-through boiler experimental rig for being disposed with gas burner Download PDFInfo
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- CN207036458U CN207036458U CN201721064282.7U CN201721064282U CN207036458U CN 207036458 U CN207036458 U CN 207036458U CN 201721064282 U CN201721064282 U CN 201721064282U CN 207036458 U CN207036458 U CN 207036458U
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Abstract
A kind of supercritical CO for being disposed with gas burner2Combined-circulation once-through boiler experimental rig, belong to boiler test equipment technical field.The purpose of this utility model is to provide the burner and boiler furnace experimental rig of a kind of stabilization, it is ensured that supercritical CO2The safe operation of combined-circulation once-through boiler experimental rig and flexible adjustment.The utility model includes gas burner, boiler furnace and burner mounting bracket, gas burner is fixedly mounted on burner mounting bracket, combustion gas spout is arranged on furnace wall cooling, burner mounting bracket is arranged on boiler furnace, the gas injection loophole of gas burner passes through boiler water wall in stove chamber inner combustion towards boiler furnace, the combustion gas of gas burner injection.The utility model ensures flame distribution uniformity by gas burner position in the type of selective combustion device and the position of designed combustion device and regulating gas burner mounting bracket so as to adjust distribution of the flame in boiler furnace, it is ensured that supercritical CO2The safe operation of combined-circulation once-through boiler experimental rig and flexible adjustment.
Description
Technical field
It the utility model is related to a kind of supercritical CO for being disposed with gas burner2Combined-circulation once-through boiler experimental rig, belongs to pot
Stove technical field of test equipment.
Background technology
Thermal power generation at present, nuclear power etc. uses Rankine cycle, wherein the efficiency of 600 DEG C of ultra supercritical coal-fired units has reached
To more than 47%.Brayton cycle has higher burning conversion efficiency, and it is in gas turbine generating system, space power system
Application has been obtained in the automotive engine system of system, aircraft and steamer etc..S-CO2Circulate for energy field also in exploratory stage, mesh
First external has been built up low power simulation unit in laboratory, is strided forward to Industrial demonstration power station.It is it is reported that domestic at present
In the testing equipment that power industry has, not supercritical CO2Combined-circulation once-through boiler experimental rig, and establishing the experimental rig can be
Follow-up every research work provides important basic condition, with CO2Pilot boiler as circulatory mediator has the characteristics that：
1 heating surface characteristics of compact layout, fire box's cross dimensions is smaller, and thermic load is higher in burner hearth；2 burners are taken conventional front and rear
Wall liquidates or circle of contact arrangement easily causes impact of flame on the wall and the problems such as wall local heat load is too high occurs；3 experimental rigs require burning
The regulation performance of device is good, and regulation is rapid, and these big features of spatial load forecasting scope are to the burner type selecting and arrangement of experimental rig
It is proposed higher requirement.
Utility model content
The purpose of this utility model is in order to solve the above-mentioned technical problem, and then to provide a kind of supercritical CO2Combined-circulation once-through boiler
Burner types are selected and arrangement of burner.
The technical solution of the utility model：
A kind of supercritical CO for being disposed with gas burner2Combined-circulation once-through boiler experimental rig includes gas burner, Boiler Furnace
Body and burner mounting bracket, described gas burner are fixedly mounted on burner mounting bracket, and burner mounting bracket is arranged on
On boiler furnace, the gas injection loophole of gas burner enters towards boiler furnace, the combustion gas of gas burner injection in body of heater
Row burning.
Preferably：Described burner mounting bracket is arranged in the side wall of boiler furnace.
Preferably：Described burner mounting bracket is arranged on the top of boiler furnace.
Preferably：Described burner mounting bracket is arranged on the bottom of boiler furnace.
Preferably：Described burner mounting bracket includes flat board, burner arm, cylinder and cylinder support base, described
The upper end of flat board is provided with cylinder support base, and described cylinder is arranged on cylinder support base, slide rail is also equipped with flat board, institute
The burner arm stated is coordinated by roller and slide rail to be installed, and the piston rod of described cylinder is established with burner arm to be connected,
Cylinder can drive burner arm to be slided on slide rail, and described gas burner is fixedly mounted on burner arm.
Preferably：The seal receptacle being adapted with gas burner spout is provided with described boiler furnace.
The utility model has the advantages that：The utility model, which provides, a kind of to be disposed with the super of gas burner and faces
Boundary CO2Combined-circulation once-through boiler experimental rig, the testing stand of the experimental rig use gas burner, and fuel system only includes combustion gas
The equipment such as pipeline and valve instrument, enormously simplify combustion system, reduce investment of equipment and maintenance cost；The combustion of combustion gas simultaneously
High combustion efficiency, the fuel adjusting of burner can also strengthen combustion gas and the mixing of air than big, while using eddy flow air distribution structure, enter
One step shortens the length of flame, prevents flame impingement body water-cooling wall；By the way of single wall multi-tier arrangement, stove can be made full use of
The effective section of thorax, flame degree of filling is improved, reduce single burner heat input rate so as to reduce flame size, and fire by adjusting
The flame eject position and then regulation flame of position and inside of the air burner on boiler furnace are in boiler furnace
Distribution, ensures flame distribution uniformity, effectively solves the problems such as stove chamber inner combustion is uneven, and local heat load is too high, it is ensured that super to face
Boundary CO2Combined-circulation once-through boiler experimental rig is safe for operation and flexible adjustment is controllable.
Brief description of the drawings
Fig. 1 is the supercritical CO that a kind of gas burner list wall paper is put2Combined-circulation once-through boiler experimental rig layout drawing；
Fig. 2 is the structure chart of burner mounting and adjusting frame；
Fig. 3 is kind of a supercritical CO for gas burner top down arrangement2Combined-circulation once-through boiler experimental rig layout drawing；
Fig. 4 is a kind of supercritical CO of gas burner furnace bottom arrangement2Combined-circulation once-through boiler experimental rig layout drawing；
1- gas burners in figure, 2- boiler furnaces, 3- burner mounting and adjusting framves, 32- flat boards, 33- burner arms,
34- cylinders, 35- cylinder support bases, 39- slide rails, 40- rollers, 41- seal receptacles.
Embodiment
Embodiment one：Illustrate present embodiment with reference to Fig. 1 to Fig. 4, one kind of present embodiment is disposed with combustion gas
The supercritical CO of burner2Combined-circulation once-through boiler experimental rig, including gas burner 1, boiler furnace 2 and burner mounting bracket 3,
Described gas burner 1 is fixedly mounted on burner mounting bracket 3, and combustion gas spout is arranged on furnace wall cooling, burner
Mounting bracket 3 is arranged on boiler furnace 2, and the gas injection loophole of gas burner 1 sprays towards boiler furnace 2, gas burner 1
Combustion gas burnt in body of heater 2；Described burner mounting bracket 3 is arranged on the sidewall of the furnace body of boiler furnace 2；Described combustion
Burner mounting bracket 3 is arranged on the top of the body of heater of boiler furnace 2；Described burner mounting bracket 3 is arranged on the stove of boiler furnace 2
The bottom of body.It is arranged such, supercritical CO2The purpose of establishing of combined-circulation once-through boiler experimental rig is, by supercritical CO2Circulate pot
The research of stove experimental rig burner types and arrangement of burner, reach furnace flame degree of filling height, heating surface heat exchange effect
Fruit is good, fuel adjusting than it is big the characteristics of, avoid impact of flame on the wall, ensure that each heating surface heat distribution is reasonable, at the same reduce equipment throwing
Money and operation complexity.The utility model is by using gas burner and uses three kinds of arrangements：1 burner arrangement is in pot
The arrangement of single wall of stove burner hearth side；2 burner arrangements are in boiler furnace top layout mode；3 burner arrangements are in pot
Stove burner hearth bottom arrangement；The benefit that these three modes are arranged is respectively：
Arrangement of 1 burner arrangement in single wall of boiler furnace side：The effective section of thorax can be made full use of, carried
High flame degree of filling, the thermal power of single burner is reduced so as to reduce flame size by increasing number of burners, and pass through
Switch burner input number of plies regulation load and flame central position；Every layer of burner can also be symmetrically arranged, and ensure fire
Flame distributing homogeneity.
2 burner arrangements are in boiler furnace top layout mode：It is centrally arranged at the top of single burner stove tank to make fire
Flame is located at furnace profile centre position, ensures that each heating surface heat absorption of burner hearth is uniform, prevents eccentricity of fire.Burner furnace roof is arranged
When, design heating surface medium flows from the top down so that flue gas is down current arrangement with heating surface medium flow direction, and such heating surface is low
Temperature area is located at flue-gas temperature highest, thermic load maximum region, can ensure heating surface safety.
3 burner arrangements are in boiler furnace bottom arrangement：Single burner stove tank bottom is centrally arranged can to make fire
Flame is located at furnace profile centre position, ensures that each heating surface heat absorption of burner hearth is uniform, prevents eccentricity of fire.Burner is located at bottom cloth
In the case of putting, design heating surface medium flows from bottom to top so that flue gas is down current arrangement with heating surface medium flow direction, so
Heating surface low-temperature region is located at flue-gas temperature highest, thermic load maximum region, can ensure heating surface safety.
Embodiment two：Illustrate present embodiment with reference to Fig. 1 to Fig. 4, one kind of present embodiment is disposed with combustion gas
The supercritical CO of burner2Burner mounting bracket 3 described in combined-circulation once-through boiler experimental rig include flat board 32, burner arm 33,
Cylinder 34 and cylinder support base 35；The upper end of described flat board 32 is provided with cylinder support base 35, and described cylinder 34 is arranged on
On cylinder support base 35, slide rail 39 is also equipped with flat board 32, (roller passes through rolling to described burner arm 33 by roller 40
Wheel support is fixedly mounted on the bottom surface of burner arm) coordinate with slide rail 39 and install, the piston rod of described cylinder 34 and combustion
Burner support 33 establishes connection, and cylinder 34 can drive burner arm 33 to be slided on slide rail 39, described gas burner 1
It is fixedly mounted on burner arm 33, gas burner spout is linked with boiler body using the seal of seal receptacle 41.Such as
This is set, and under the drive by adjusting cylinder 34, adjustment burner arm 33 can realize that the slip on slide rail is moved by roller
Make, flame combustion of the burner inside boiler furnace can be adjusted by adjusting position of the burner arm 33 on flat board 32
Position, and then control the heating surface area of boiler furnace inner combustion chamber section, solve burner take it is conventional it is front and rear liquidate or
Circle of contact arrangement causes impact of flame on the wall phenomenon, while adjusts the heat that burner flame burning position is easy to control boiler furnace internal face
Load, avoid local heat load too high, influence experimental rig operation.
Present embodiment is the exemplary illustration to this patent, does not limit its protection domain, people in the art
Member can also be changed to its part, as long as no the Spirit Essence beyond this patent, all in the protection domain of this patent.
Claims (6)
- A kind of 1. supercritical CO for being disposed with gas burner2Combined-circulation once-through boiler experimental rig, it is characterised in that：Including fuel gas buring Device (1), boiler furnace (2) and burner mounting bracket (3), described gas burner (1) are fixedly mounted on burner mounting bracket (3) on, burner mounting bracket (3) is arranged on boiler furnace (2), and the gas injection loophole of gas burner (1) is towards Boiler Furnace Body (2), the combustion gas of gas burner (1) injection are burnt in body of heater (2).
- A kind of 2. supercritical CO for being disposed with gas burner according to claim 12Combined-circulation once-through boiler experimental rig, it is special Sign is：Described burner mounting bracket (3) is arranged in the side wall of boiler furnace (2).
- A kind of 3. supercritical CO for being disposed with gas burner according to claim 12Combined-circulation once-through boiler experimental rig, it is special Sign is：Described burner mounting bracket (3) is arranged on the top of boiler furnace (2).
- A kind of 4. supercritical CO for being disposed with gas burner according to claim 12Combined-circulation once-through boiler experimental rig, it is special Sign is：Described burner mounting bracket (3) is arranged on the bottom of boiler furnace (2).
- A kind of 5. supercritical CO for being disposed with gas burner according to claim 12Combined-circulation once-through boiler experimental rig, it is special Sign is：Described burner mounting bracket (3) includes flat board (32), burner arm (33), cylinder (34) and cylinder support base (35), the upper end of described flat board (32) is provided with cylinder support base (35), and described cylinder (34) is arranged on cylinder support base (35) on, slide rail (39) is also equipped with flat board (32), described burner arm (33) passes through roller (40) and slide rail (39) Coordinate installation, the piston rod of described cylinder (34) is established with burner arm (33) to be connected, and cylinder (34) can drive burning Device support (33) is slided on slide rail (39), and described gas burner (1) is fixedly mounted on burner arm (33).
- A kind of 6. supercritical CO for being disposed with gas burner according to claim 12Combined-circulation once-through boiler experimental rig, it is special Sign is：The seal receptacle (41) being adapted with gas burner spout is provided with described boiler furnace (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721064282.7U CN207036458U (en) | 2017-08-23 | 2017-08-23 | A kind of supercritical CO 2 combined-circulation once-through boiler experimental rig for being disposed with gas burner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721064282.7U CN207036458U (en) | 2017-08-23 | 2017-08-23 | A kind of supercritical CO 2 combined-circulation once-through boiler experimental rig for being disposed with gas burner |
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| CN207036458U true CN207036458U (en) | 2018-02-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000225A (en) * | 2018-08-27 | 2018-12-14 | 东平中联美景水泥有限公司 | A kind of cement kiln combustion device intelligence is reciprocal to adjust device and its application |
| CN111998326A (en) * | 2020-09-02 | 2020-11-27 | 河南永兴锅炉集团有限公司 | Double-ring circular full water-cooling central cylinder for natural gas boiler burner |
-
2017
- 2017-08-23 CN CN201721064282.7U patent/CN207036458U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000225A (en) * | 2018-08-27 | 2018-12-14 | 东平中联美景水泥有限公司 | A kind of cement kiln combustion device intelligence is reciprocal to adjust device and its application |
| CN111998326A (en) * | 2020-09-02 | 2020-11-27 | 河南永兴锅炉集团有限公司 | Double-ring circular full water-cooling central cylinder for natural gas boiler burner |
| CN111998326B (en) * | 2020-09-02 | 2022-03-29 | 河南永兴锅炉集团有限公司 | Natural gas fired boiler with double-ring circular full water-cooling central cylinder for burner |
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