CN213556792U - Circulating fluidized bed gasification boiler inside lining paint finishing - Google Patents
Circulating fluidized bed gasification boiler inside lining paint finishing Download PDFInfo
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- CN213556792U CN213556792U CN202022273355.1U CN202022273355U CN213556792U CN 213556792 U CN213556792 U CN 213556792U CN 202022273355 U CN202022273355 U CN 202022273355U CN 213556792 U CN213556792 U CN 213556792U
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- pipe
- water inlet
- material mixing
- communicated
- fluidized bed
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- 238000002309 gasification Methods 0.000 title claims abstract description 26
- 239000003973 paint Substances 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 239000000463 material Substances 0.000 claims abstract description 74
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 238000000576 coating method Methods 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims description 18
- 239000000701 coagulant Substances 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 17
- 239000000428 dust Substances 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000011819 refractory material Substances 0.000 abstract description 27
- 239000000203 mixture Substances 0.000 abstract description 7
- 210000003437 trachea Anatomy 0.000 abstract 2
- 238000000034 method Methods 0.000 description 16
- 238000010276 construction Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
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Abstract
The utility model relates to a circulating fluidized bed gasification boiler inside lining paint finishing, including flush coater, material conveying pipe, material mixing pipe, total inlet tube and the input tube of set accelerator of switch-on the material mixing pipe, the flush coater through first trachea and steam pocket switch-on, the steam pocket passes through second trachea and air compressor machine switch-on, the both ends of material conveying pipe switch-on with flush coater, material mixing pipe respectively, the output of total inlet tube on be equipped with a N branch pipe of intaking, wherein N is greater than or equal to 3, every branch pipe of intaking all connects the switch-on the material mixing pipe through the vortex pipe, the input tube of set accelerator also switch-on the material mixing pipe, and set accelerator input tube is located between last branch pipe of intaking and the coating spray gun, the end at the material mixing pipe is installed to this coating spray gun. The utility model discloses a paint finishing makes refractory material and water mix more evenly, makes the quality of gasifier oven more even, can obtain intensity big, have stable high-quality gasifier inside lining.
Description
Technical Field
The utility model relates to a technical field of architectural equipment, in particular to circulating fluidized bed gasification boiler inside lining paint finishing.
Background
The fuel coal gasification equipment is a device which makes solid fuels such as coal, coke, semicoke and the like react with a gasification agent under the conditions of high temperature, normal pressure or pressurization to convert into gas products and a small amount of residues, and the gasification agent is added to make the gasification agent and the fuels carry out gasification reaction to obtain coal gas with less impurities.
As main methods for applying a refractory, a spray method and a casting method are known, and the spray method does not require a form for casting, and is easy to apply even in a place having a complicated shape and difficult to form a frame, and therefore, the spray method is used as a common method for applying a refractory in the field, and the spray method is roughly classified into a dry spray method of an air pressure feed method in which a refractory is air pressure-fed in a powdery form, and a wet spray method of a transfer pump pressure feed method in which a transfer pipe is easily cleaned while being easily transported and a long distance without clogging, but the dry spray method is a method in which a powdery refractory is mixed with water in a transfer pipe to form a viscous green body, but the contact time of water and the refractory in the transfer pipe is short, and water cannot be sufficiently uniformly mixed with the refractory, the quality of the furnace wall of the constructed gasification furnace is not uniform, and the gasification furnace lining with high strength and stable quality is difficult to obtain. Therefore, it is necessary to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a circulating fluidized bed gasification boiler inside lining paint finishing.
The specific contents are as follows: the utility model provides a circulating fluidized bed gasification boiler inside lining paint finishing, includes flush coater, material conveying pipe, material mixing tube, switch-on total inlet tube and the input tube of coagulant on material mixing tube, characterized by:
the spraying machine is communicated with the steam pocket through a first air pipe, the steam pocket is communicated with the air compressor through a second air pipe, two ends of the material conveying pipe are respectively communicated with the spraying machine and the material mixing pipe, the output end of the main water inlet pipe is provided with N water inlet branch pipes, N is larger than or equal to 3, each water inlet branch pipe is communicated with the material mixing pipe through a vortex pipe joint, the coagulant input pipe is also communicated with the material mixing pipe, the coagulant input pipe is positioned between the last water inlet branch pipe and the paint spray gun, and the paint spray gun is installed at the tail end of the material mixing pipe.
Preferably, the vortex pipe joint comprises an inner cylinder and an outer cylinder which are coaxial, the inner cylinder is coaxially connected with the material mixing pipe in series, the inner diameter of the inner cylinder is the same as that of the material mixing pipe, N water inlet channels penetrating through the cylinder wall are uniformly distributed in the circumferential direction of the inner cylinder, N is not less than 3, the water inlet channels are arranged in the tangential direction of the inner circumferential surface of the inner cylinder, the outer cylinder is coaxially fixed outside the inner cylinder, a closed water inlet cavity is formed between the inner cylinder and the outer cylinder, the water inlet cavity is communicated with the inside of the inner cylinder through the water inlet channels, and the water inlet branch pipe is communicated with the outer cylinder of the vortex pipe joint and is communicated with the water inlet cavity.
Preferably, the number of the water inlet channels is 3.
Preferably, the inner wall of the material mixing pipe is fully distributed with a plurality of stirring rods which are distributed scattered, each stirring rod extends out of the center of the material mixing pipe, and the length of each stirring rod is not less than the radius of the material mixing pipe.
Preferably, the side surface of the coating machine is also provided with a material conveyor corresponding to the coating machine, and the material conveyor conveys materials into a storage bin of the coating machine.
Preferably, a dust hood is arranged above a storage bin of the coating machine and communicated with a dust collector through a pipeline.
Preferably, the water inlet branch pipe and the coagulant input pipe are both connected in series with control valves.
Preferably, the number of the water inlet branch pipes is 3.
The utility model has the advantages of:
the utility model relates to a circulating fluidized bed gasification boiler inside lining spraying system, at first, the inside of the material mixing tube in this system is covered with scattered stirring rod, the refractory material can stir and break up it in the process of mixing with water and propelling forward, prevent the refractory material from agglomerating, bubbling, make the refractory material and water mix more evenly; furthermore, the utility model discloses well water inlet branch pipe is put through with the material mixing pipe through the swirl pipe joint, be equipped with the inhalant canal of a plurality of tangential settings in the swirl pipe joint, make water let in along the inner wall of material mixing pipe through inhalant canal, under the drive of rivers, water and refractory material mix and promote its rotation simultaneously, make the motion dimension of water and refractory material bigger, and contact with the stirring rod better, more do benefit to the mixing between the two, it has many water inlet branch pipes to put through on the material mixing pipe simultaneously, make refractory material and water mix many times in succession, mix fully and more do benefit to the control, easily satisfy the construction demand; therefore, the spraying process of the invention can mix the refractory material and water more uniformly, the quality of the gasifier wall after construction is good, and the gasifier lining with high strength and stability can be obtained.
Drawings
FIG. 1 is a schematic view showing the connection of a spray system for a liner of a circulating fluidized bed gasification boiler;
FIG. 2 is a schematic diagram showing the distribution of stirring rods in a material mixing pipe;
FIG. 3 is a cross-sectional structural schematic view of a vortex tube joint;
in the figure: 11. the spraying machine comprises a spraying machine, 12 parts of a steam pocket, 13 parts of a first air pipe, 14 parts of a second air pipe, 15 parts of an air compressor, 16 parts of a material conveyor, 17 parts of a forklift, 18 parts of a storage bin of the spraying machine, 19 parts of a dust suction cover, 20 parts of a dust collector, 21 parts of a material conveying pipe, 22 parts of a total water inlet pipe, 23 parts of a water inlet branch pipe, 24 parts of a control valve, 25 parts of a vortex pipe joint, 26 parts of a coagulant input pipe, 27 parts of a gasification furnace inner wall, 28 parts of a material mixing pipe, 29 parts of a stirring rod, 30 parts of an outer cylinder, 31 parts of an inner cylinder, 32 parts of a water inlet channel, 33 parts of a.
Detailed Description
In a first embodiment, referring to fig. 1-3, a spraying system for a lining of a gasification boiler of a circulating fluidized bed comprises a spraying machine, a material conveying pipe, a material mixing pipe, a main water inlet pipe and a coagulant input pipe, wherein the main water inlet pipe and the coagulant input pipe are communicated with the material mixing pipe;
the spraying machine is communicated with the steam pocket through the first air pipe, the steam pocket is communicated with the air compressor through the second air pipe, two ends of the material conveying pipe are respectively communicated with the spraying machine and the material mixing pipe, the output end of the main water inlet pipe is provided with N water inlet branch pipes, N is more than or equal to 3, the number of the water inlet branch pipes in the embodiment is 3, so that the refractory material and water are continuously mixed for multiple times, the mixing is sufficient and is more convenient to control, the construction requirement is easily met, each water inlet branch pipe is communicated with the material mixing pipe through a vortex pipe joint, the coagulant input pipe is also communicated with the material mixing pipe, the coagulant input pipe is located between the last water inlet branch pipe and the paint spray gun, and the paint spray gun is installed at the tail end of the material mixing pipe.
The vortex pipe joint comprises an inner cylinder and an outer cylinder which are coaxial, the inner cylinder is coaxially connected to the material mixing pipe in series, the inner diameter of the inner cylinder is the same as that of the material mixing pipe, N water inlet channels penetrating through the cylinder wall are uniformly distributed in the circumferential direction of the inner cylinder, N is more than or equal to 3, the number of the water inlet channels in the embodiment is 3, the water inlet channels are arranged in the tangential direction of the inner circumferential surface of the inner cylinder, the outer cylinder is coaxially fixed outside the inner cylinder, a closed water inlet cavity is formed between the inner cylinder and the outer cylinder, the water inlet cavity is communicated with the inside of the inner cylinder through the water inlet channels, and the water inlet branch pipe is communicated with the outer cylinder of the vortex pipe joint and is communicated with the water inlet cavity. Make water let in along the inner wall of material mixing tube through inhalant canal, under the drive of rivers, when water mixes with refractory material and promote its rotation, make water and refractory material's motion dimension bigger, and contact with the stirring rod better, more do benefit to the mixture between the two.
The inner wall of material mixing pipe on be covered with the stirring rod that has a plurality of scattered distribution, every stirring rod all stretches out to the center of material mixing pipe, and the length of stirring rod is not less than the radius of material mixing pipe, makes the stirring rod have better stirring effect, makes refractory material and more even with the water mixing.
And the side surface of the coating machine is also provided with a material conveyor corresponding to the coating machine, and the material conveyor conveys materials into a storage bin of the coating machine. Transferring the refractory material into a hopper of a material conveyor through a forklift, and quantitatively and controllably conveying the refractory material into a storage bin of a coating machine through the material conveyor.
A dust hood is arranged above a storage bin of the coating machine and is communicated with a dust collector through a pipeline. The dust collector collects dust of refractory materials in the air in a concentrated manner, purifies the construction environment, avoids dust pollution and damages to physical and psychological health of workers.
The water inlet branch pipe and the coagulant input pipe are both connected in series with control valves. The water inflow and the addition amount of the coagulant are controlled by controlling a valve so as to meet the requirements of actual construction.
The utility model discloses a work progress:
preparing a powdery refractory material according to a formula and construction requirements, transferring the refractory material into a hopper of a material conveyor through a forklift, and quantitatively and controllably conveying the refractory material into a storage bin of a coating machine through the material conveyor; starting an air compressor, storing compressed air generated by the operation of the air compressor in a steam pocket and finally conveying the compressed air into a spraying machine, operating the spraying machine, pushing the refractory materials in a storage bin of the spraying machine into a material conveying pipe through the compressed air, gradually entering a material mixing pipe, simultaneously opening control valves on all water inlet branch pipes, selecting the opening and closing sizes of all the control valves according to actual construction requirements, enabling water in all the water inlet branch pipes to enter a water inlet cavity of a vortex pipe joint, then entering an inner cylinder through all water inlet channels and introducing the water along the inner wall of the material mixing pipe, mixing the water with the refractory materials and simultaneously pushing the water to rotate under the driving of water flow, enabling the movement dimensionality of the water and the refractory materials to be larger, being more beneficial to the mixing between the water and the refractory materials, and simultaneously stirring and scattering the refractory materials in the process of mixing with the water and forward pushing the refractory materials, preventing the refractory materials from agglomerating, Foaming to mix the refractory material and water more uniformly, finally mixing the refractory material and water uniformly to form a qualified blank, finally opening a control valve on a coagulant input pipe, adding a proper amount of coagulant into a material mixing pipe to mix the material mixing pipe with the blank, and finally spraying the finally mixed blank on the inner wall of the gasification furnace through a paint spray gun according to construction requirements.
Claims (8)
1. The utility model provides a circulating fluidized bed gasification boiler inside lining paint finishing, includes flush coater, material conveying pipe, material mixing tube, switch-on total inlet tube and the input tube of coagulant on material mixing tube, characterized by:
the spraying machine is communicated with the steam pocket through a first air pipe, the steam pocket is communicated with the air compressor through a second air pipe, two ends of the material conveying pipe are respectively communicated with the spraying machine and the material mixing pipe, the output end of the main water inlet pipe is provided with N water inlet branch pipes, N is larger than or equal to 3, each water inlet branch pipe is communicated with the material mixing pipe through a vortex pipe joint, the coagulant input pipe is also communicated with the material mixing pipe, the coagulant input pipe is positioned between the last water inlet branch pipe and the paint spray gun, and the paint spray gun is installed at the tail end of the material mixing pipe.
2. The circulating fluidized bed gasification boiler liner coating system of claim 1, wherein: the vortex pipe joint comprises an inner cylinder and an outer cylinder which are coaxial, the inner cylinder is coaxially connected on the material mixing pipe in series, the inner diameter of the inner cylinder is the same as that of the material mixing pipe, N water inlet channels penetrating through the cylinder wall are uniformly distributed in the circumferential direction of the inner cylinder, N is more than or equal to 3, the water inlet channels are arranged in the tangential direction of the inner circumferential surface of the inner cylinder, the outer cylinder is coaxially fixed outside the inner cylinder, a closed water inlet cavity is formed between the inner cylinder and the outer cylinder, the water inlet cavity is communicated with the inside of the inner cylinder through the water inlet channels, and the water inlet branch pipe is communicated with the outer cylinder of the vortex pipe joint and communicated with the water inlet cavity.
3. The circulating fluidized bed gasification boiler liner coating system of claim 2, wherein: the number of the water inlet channels is 3.
4. The circulating fluidized bed gasification boiler liner coating system of claim 1, wherein: the inner wall of the material mixing pipe is fully distributed with a plurality of stirring rods which are distributed scattered, each stirring rod extends out of the center of the material mixing pipe, and the length of each stirring rod is not less than the radius of the material mixing pipe.
5. The circulating fluidized bed gasification boiler liner coating system of claim 1, wherein: and the side surface of the coating machine is also provided with a material conveyor corresponding to the coating machine, and the material conveyor conveys materials into a storage bin of the coating machine.
6. The circulating fluidized bed gasification boiler liner coating system of claim 5, wherein: a dust hood is arranged above a storage bin of the coating machine and is communicated with a dust collector through a pipeline.
7. The circulating fluidized bed gasification boiler liner coating system of claim 1, wherein: the water inlet branch pipe and the coagulant input pipe are both connected in series with control valves.
8. The circulating fluidized bed gasification boiler liner coating system of claim 1, wherein: the number of the water inlet branch pipes is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022273355.1U CN213556792U (en) | 2020-10-14 | 2020-10-14 | Circulating fluidized bed gasification boiler inside lining paint finishing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022273355.1U CN213556792U (en) | 2020-10-14 | 2020-10-14 | Circulating fluidized bed gasification boiler inside lining paint finishing |
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| Publication Number | Publication Date |
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| CN213556792U true CN213556792U (en) | 2021-06-29 |
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| CN202022273355.1U Active CN213556792U (en) | 2020-10-14 | 2020-10-14 | Circulating fluidized bed gasification boiler inside lining paint finishing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510016A (en) * | 2021-08-23 | 2021-10-19 | 新疆八一钢铁股份有限公司 | Refractory material spraying device of gasification furnace of pyrometallurgical furnace |
-
2020
- 2020-10-14 CN CN202022273355.1U patent/CN213556792U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510016A (en) * | 2021-08-23 | 2021-10-19 | 新疆八一钢铁股份有限公司 | Refractory material spraying device of gasification furnace of pyrometallurgical furnace |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A spraying system for the inner lining of a circulating fluidized bed gasification boiler Effective date of registration: 20231102 Granted publication date: 20210629 Pledgee: Henan Xinmi Rural Commercial Bank Co.,Ltd. Pledgor: ZHENGZHOU ORIENTAL LINING MATERIAL CO.,LTD. Registration number: Y2023980063744 |