CN219784386U - Corrosion-resistant high-temperature-resistant gas mixing box - Google Patents
Corrosion-resistant high-temperature-resistant gas mixing box Download PDFInfo
- Publication number
- CN219784386U CN219784386U CN202320470632.9U CN202320470632U CN219784386U CN 219784386 U CN219784386 U CN 219784386U CN 202320470632 U CN202320470632 U CN 202320470632U CN 219784386 U CN219784386 U CN 219784386U
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- China
- Prior art keywords
- corrosion
- resistant
- box body
- layer
- flue gas
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- 238000005260 corrosion Methods 0.000 title claims abstract description 38
- 230000007797 corrosion Effects 0.000 title claims abstract description 37
- 238000002156 mixing Methods 0.000 title claims abstract description 16
- 239000010410 layer Substances 0.000 claims abstract description 43
- 239000007789 gas Substances 0.000 claims abstract description 32
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003546 flue gas Substances 0.000 claims abstract description 28
- 238000005266 casting Methods 0.000 claims abstract description 16
- 238000004321 preservation Methods 0.000 claims abstract description 15
- 239000011241 protective layer Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 description 12
- 239000007788 liquid Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229920005551 calcium lignosulfonate Polymers 0.000 description 1
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Chimneys And Flues (AREA)
Abstract
The utility model discloses an anti-corrosion high-temperature-resistant gas mixing box, which comprises a box body and a protective layer arranged in the box body, wherein the box body comprises a barrel body, a top plate and a bottom plate which extend along the vertical direction; the box body is provided with a purified gas inlet and a mixed gas outlet, the top of the box body is provided with a flue gas inlet pipe, a ventilating duct is fixedly arranged in the box body, and the inlet of the ventilating duct is connected to the flue gas inlet pipe through a blast gate; a drain outlet is arranged on the bottom plate. The first heat preservation layer can form better heat preservation effect to the box, avoids flue gas temperature to receive external influence, and produces undulantly, and corrosion-resistant casting layer can play heat preservation and avoid corroding dual function to increase of service life of equipment, reduce maintenance cost.
Description
Technical Field
The utility model relates to a corrosion-resistant and high-temperature-resistant gas mixing box.
Background
When organic waste gas and organic waste are treated in a combustion mode, a large amount of corrosive smoke is generated, and in order to realize rapid cooling and reduce the concentration of harmful components in the smoke, harmless treatment is conveniently carried out in the subsequent step, and a certain amount of purified gas is generally supplemented into the smoke. When the purified gas is supplemented into the flue gas, the temperature of the flue gas is reduced, so that moisture in the flue gas is condensed to form liquid drops, the liquid drops drop into the gas mixing box, and the liquid drops contain corrosive components, so that the gas mixing box is severely corroded, the service life of the gas mixing box is shortened, the normal operation of flue gas treatment is influenced, and the equipment maintenance cost of the flue gas treatment is increased.
Disclosure of Invention
In order to solve the above problems, the present utility model provides a corrosion-resistant and high temperature-resistant gas mixing tank, comprising a tank body, wherein the tank body comprises a shell and a protective layer arranged in the shell, the shell comprises a cylinder body extending along the vertical direction, a top plate arranged at the top of the cylinder body and a bottom plate arranged at the bottom of the cylinder body, a first heat-preserving layer is arranged on the inner peripheral surface of the shell and the lower surface of the top plate, a corrosion-resistant casting layer is arranged on the upper surface of the bottom plate, and the first heat-preserving layer and the corrosion-resistant casting layer are jointly formed into the protective layer;
the two opposite sides of the box body are respectively provided with a purified gas inlet and a mixed gas outlet, the top of the box body is provided with a flue gas inlet pipe, a ventilating duct is fixedly arranged in the box body, the inlet of the ventilating duct is connected to the flue gas inlet pipe through a blast gate, and the wall of the ventilating duct is provided with an air outlet; a drain outlet is arranged on the bottom plate of the box body.
According to the utility model, the protective layer formed by the first heat-insulating layer and the corrosion-resistant pouring layer is arranged in the gas mixing box, the first heat-insulating layer can form a good heat-insulating effect on the box body, the condition that the temperature of the flue gas is influenced by the outside to generate fluctuation is avoided, the purified gas is recycled gas obtained after the flue gas is purified, the temperature of the purified gas is kept stable, the purified gas is used for diluting the flue gas, the temperature fluctuation caused by air dilution can be reduced, and the emission of the purified gas can be reduced. The corrosion-resistant casting layer is arranged on the bottom plate, so that the heat preservation effect can be achieved, corrosion of the shell by corrosive waste water generated by flue gas condensation can be effectively avoided, the service life of the equipment is effectively prolonged, and the maintenance cost of the equipment is reduced.
Further, in order to avoid corrosion of the shell caused by waste water condensed by the flue gas, the service life of the equipment is influenced, and the corrosion-resistant casting layer extends upwards by 150-300mm along the cylinder. The design can make the bottom in the box form one by corrosion-resistant casting layer formed deposit the liquid district, can temporarily store a certain amount of waste water, avoid waste water to permeate to the shell through first heat preservation on, cause the corruption to the shell, reduce equipment's life.
Further, the flue gas inlet pipe comprises a pipe shell and a second heat preservation layer arranged in the pipe shell, an inner cavity of the second heat preservation layer is formed into a flue gas inlet, and a flange is arranged after the pipe shell extends upwards out of the top plate. The heat preservation performance of flue gas import pipe can be guaranteed to this design, and the wearing and tearing of flue gas to the tube shell can also be reduced to the second heat preservation simultaneously, when the wearing and tearing of second heat preservation are serious, only change the second heat preservation can, need not to change the tube shell, have reduced the maintenance cost of equipment.
Further, a water collecting hole which is concave downwards is arranged at the central part of the corrosion-resistant pouring layer, the bottom of the water collecting hole is formed into a drain outlet, and the upper surface of the corrosion-resistant pouring layer extends obliquely from the periphery to the center. The design can enable the condensed waste water in the flue gas to be quickly collected into the water collecting hole and then discharged through the sewage outlet, so that the residence time of the waste water in the box body is reduced, and the protection of the box body is improved.
Further, in order to reduce the corrosion of the waste water reserved at the bottom of the box body to the air dispersing cylinder, the air dispersing cylinder is fixedly arranged on the bottom plate through the bracket, and a distance is reserved between the air dispersing cylinder and the corrosion-resistant pouring layer.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model.
Fig. 2 is a top view of fig. 1.
Description of the embodiments
Referring to fig. 1 and 2, a corrosion-resistant and high temperature-resistant gas mixing tank includes a tank body including a housing 11 and a protective layer provided in the housing, the housing 11 including a cylinder 111 extending in a vertical direction, a top plate 112 provided at a top of the cylinder, and a bottom plate 113 provided at a bottom of the cylinder, a first heat-retaining layer 12 being installed on an inner circumferential surface of the housing and a lower surface of the top plate, a corrosion-resistant casting layer 15 being installed on an upper surface of the bottom plate, the first heat-retaining layer 12 and the corrosion-resistant casting layer 15 being formed together as the protective layer. In this embodiment, the cross section of the case is square, and the housing is formed by welding steel plates.
The corrosion-resistant pouring layer extends upwards along the cylinder and is adhered to the lower end face of the first heat-insulating layer on the cylinder, so that the corrosion-resistant pouring layer and the first heat-insulating layer are connected together in a seamless manner. The bottom in the box forms the liquid storage district that can store a certain amount of waste water, avoids the erosion of waste water to the shell simultaneously.
In this embodiment, the height H of the corrosion resistant casting layer extending up the barrel is 220mm, it being understood that in other embodiments the height H may be 150mm, 200mm, 250mm or 300mm, or other dimensions between 150-300mm.
A water collecting hole 16 recessed downwards is arranged at the central part of the corrosion-resistant pouring layer 15, the bottom of the water collecting hole is formed into a drain outlet 17, a drain pipe 171 is welded on the bottom plate, and the drain pipe 171 is communicated with the drain outlet 17.
The upper surface of the corrosion-resistant casting layer extends obliquely from the periphery to the center so that the waste water produced by condensation can be quickly collected into the water collecting hole 16 and discharged through the drain pipe 171, thereby reducing the residence time of the waste water in the tank and reducing the corrosion to equipment.
The two opposite sides of the box body are respectively provided with a purified gas inlet 18 and a mixed gas outlet 19, and the purified gas inlet 18 and the mixed gas outlet 19 are communicated with the inner cavity 10 of the box body.
The bottom of the box body is welded with a support leg 31, the top of the box body is welded with a lifting lug 32, and one side of the box body is provided with a manhole 33 communicated with the inner cavity of the box body.
A flue gas inlet pipe 40 is arranged at the top of the box body, in this embodiment, the flue gas inlet pipe 40 comprises a pipe shell 41 and a second heat insulation layer 42 arranged in the pipe shell 41, an inner cavity of the second heat insulation layer is formed into a flue gas inlet 45, a flange 43 is arranged after the pipe shell extends upwards out of the top plate, and a reinforcing rib 44 is welded between the top plate 112 and the pipe shell 41. The tube case 41 is formed by rolling a steel plate.
A diffuser 21 is fixedly arranged in the inner cavity of the box body, an inlet 211 of the diffuser 21 is connected to the flue gas inlet pipe through a damper 23, and an air outlet hole is formed in the wall of the diffuser, and is not shown in the drawing. The valve rod of the air valve 23 penetrates through the box body along the horizontal direction, and then a control device 231 is arranged, and the control device 231 can be connected to a corresponding automatic control system for adjusting the opening degree of the air valve.
In this embodiment, the air dispersing cylinder is a cylinder, in order to reduce the corrosion of the waste water remained at the bottom of the box to the air dispersing cylinder, the bottom of the air dispersing cylinder is welded with a connecting pin 22, one end of a bracket 24 is mounted on the connecting pin 22 through a bolt, and the other end of the bracket passes through the corrosion-resistant casting layer and then is welded on the bottom plate 113, so that a distance S is formed between the air dispersing cylinder and the corrosion-resistant casting layer, and in this embodiment, the distance S is 500mm. The bracket is made of angle steel.
Specifically, in this embodiment, the first heat-insulating layer 12 and the second heat-insulating layer 42 are both made of composite silicate heat-insulating plates. The corrosion-resistant casting layer comprises the following components in percentage by mass: 25% of perlite frit, 18% of porcelain powder, 9% of fly ash, 9% of floating beads, 3% of silicon micropowder, 3% of graphite powder and 33% of water glass, then taking the total mass of the components as a reference, adding 1.8% by weight of calcium lignosulfonate and 1.75% by weight of sodium fluosilicate, uniformly mixing, coating on the inner wall of a shell, and curing for 10 days under the dry air condition.
Claims (5)
1. The utility model provides a corrosion-resistant high temperature resistant gas mixing box which characterized in that, includes a box, this box includes a shell and sets up the protective layer in the shell, this shell includes along the barrel that vertical direction extends, set up the roof at barrel top and set up the bottom plate in barrel bottom, install first heat preservation in the inner peripheral face of this shell and the lower surface of roof, install corrosion-resistant casting layer in the upper surface of bottom plate, this first heat preservation and corrosion-resistant casting layer form the protective layer jointly;
the two opposite sides of the box body are respectively provided with a purified gas inlet and a mixed gas outlet, the top of the box body is provided with a flue gas inlet pipe, a ventilating duct is fixedly arranged in the box body, the inlet of the ventilating duct is connected to the flue gas inlet pipe through a blast gate, and the wall of the ventilating duct is provided with an air outlet; a drain outlet is arranged on the bottom plate of the box body.
2. A gas mixing tank as defined in claim 1, wherein,
the corrosion-resistant casting layer extends upwards by 150-300mm along the cylinder.
3. A gas mixing tank as defined in claim 1, wherein,
the flue gas inlet pipe comprises a pipe shell and a second heat preservation layer arranged in the pipe shell, wherein an inner cavity of the second heat preservation layer is formed into a flue gas inlet, and a flange is arranged after the pipe shell extends upwards out of the top plate.
4. A gas mixing tank as defined in claim 1, wherein,
the central part of the corrosion-resistant pouring layer is provided with a water collecting hole which is sunken downwards, the bottom of the water collecting hole is formed into a drain outlet, and the upper surface of the corrosion-resistant pouring layer extends obliquely from the periphery to the center.
5. A gas mixing tank as defined in claim 1, wherein,
the air dispersing cylinder is fixedly arranged on the bottom plate through a bracket, and a distance is reserved between the air dispersing cylinder and the corrosion-resistant pouring layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320470632.9U CN219784386U (en) | 2023-03-13 | 2023-03-13 | Corrosion-resistant high-temperature-resistant gas mixing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320470632.9U CN219784386U (en) | 2023-03-13 | 2023-03-13 | Corrosion-resistant high-temperature-resistant gas mixing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219784386U true CN219784386U (en) | 2023-10-03 |
Family
ID=88156967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320470632.9U Active CN219784386U (en) | 2023-03-13 | 2023-03-13 | Corrosion-resistant high-temperature-resistant gas mixing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219784386U (en) |
-
2023
- 2023-03-13 CN CN202320470632.9U patent/CN219784386U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |