CN216668336U - Flue gas treatment system of glass kiln - Google Patents
Flue gas treatment system of glass kiln Download PDFInfo
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- CN216668336U CN216668336U CN202122942553.7U CN202122942553U CN216668336U CN 216668336 U CN216668336 U CN 216668336U CN 202122942553 U CN202122942553 U CN 202122942553U CN 216668336 U CN216668336 U CN 216668336U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model discloses a flue gas treatment system of a glass kiln, which comprises: the system comprises a first waste heat boiler capable of reducing the temperature of flue gas, a desulfurization tower and a dust and nitrate integrated device capable of removing dust and then denitrating, wherein a gas outlet of the first waste heat boiler is connected with a gas inlet of the desulfurization tower through a flue, a gas outlet of the desulfurization tower is connected with a gas inlet of the dust and nitrate integrated device through a flue, the desulfurization tower is arranged between the first waste heat boiler and the dust and nitrate integrated device, and a ceramic filter pipe with a synergistic denitration effect is arranged in the dust and nitrate integrated device; the utility model can effectively prolong the service life of the SCR catalyst; and the dust and nitrate integrated equipment integrates dust removal equipment and denitration equipment, so that the floor area of the dust and nitrate integrated equipment is reduced, and the cost is reduced.
Description
Technical Field
The utility model relates to the technical field of flue gas treatment of glass kilns, in particular to a flue gas treatment system of a glass kiln.
Background
The glass industry is called one of four pollution big heads, the direct emission of the flue gas of the glass kiln can pollute the atmosphere, and the flue gas treatment of the glass kiln increasingly draws the attention of the environmental protection departments of the national and local governments.
Flue gas treatment of a traditional glass kiln generally adopts a treatment mode of denitration firstly and then dust removal, so that dust can abrade an SCR catalyst, and the service life of the SCR catalyst is shortened.
In view of this, the designers of the present invention actively research, improve and try on the present invention, and finally develop and design the present invention.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flue gas treatment system of a glass kiln, which can prolong the service life of an SCR catalyst and avoid abrasion of dust to the SCR catalyst.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a flue gas treatment system for a glass kiln, comprising: the utility model provides a can reduce flue gas temperature's first exhaust-heat boiler, a desulfurizing tower and one can remove dust earlier the dirt nitre integration equipment of back denitration, be connected through the flue between the gas outlet of first exhaust-heat boiler and the air inlet of desulfurizing tower, be connected through the flue between the gas outlet of desulfurizing tower and the air inlet of dirt nitre integration equipment, the desulfurizing tower is located between first exhaust-heat boiler and the dirt nitre integration equipment, be equipped with the ceramic filter tube of denitration in coordination in the dirt nitre integration equipment.
The utility model provides a flue gas processing system of glass kiln, still includes a second exhaust-heat boiler, a main blower and a chimney that can reduce the flue gas temperature, the air inlet of second exhaust-heat boiler is connected through the flue to the gas outlet of dirt nitre integration equipment, the main blower is connected in the gas outlet of second exhaust-heat boiler and the air inlet of chimney respectively through the flue.
The flue gas treatment system of the glass kiln further comprises a denitration agent injection system capable of automatically adjusting the dosage of the denitration agent according to the concentration of nitric oxide in flue gas, and an injection port of the denitration agent injection system is communicated with a flue between an air outlet of a first waste heat boiler and an air inlet of a desulfurization tower.
The dust and nitrate integrated equipment comprises a support, a bin and an ash bucket, wherein the bin is fixedly arranged on the support, the ash bucket is fixedly arranged at the bottom of the bin, and the ceramic filter tube is vertically and fixedly arranged in the bin.
The integrated dust and nitrite equipment further comprises a high air purifying chamber, a manhole door is arranged on the side wall of the high air purifying chamber, the upper end of the support is arranged in the high air purifying chamber, the air inlet of the integrated dust and nitrite equipment is arranged on the side wall of the bin, and the top of the high air purifying chamber is arranged at the air outlet of the integrated dust and nitrite equipment.
The number of the bins is multiple, and adjacent bins are separated by a heat insulation structure.
A total differential pressure transmitter is arranged between the air inlet of the dust and nitrite integrated equipment and the air outlet of the dust and nitrite integrated equipment, and a partial differential pressure transmitter is arranged in each chamber.
The ceramic filter tube is composed of a ceramic fiber filter tube containing an SCR catalyst.
After the technical scheme is adopted, through the structural design of the first waste heat boiler, the desulfurization tower and the dust and nitrate integrated equipment, when flue gas generated by the glass kiln enters the first waste heat boiler for cooling, then flows into the desulfurization tower for treatment, and then flows into the dust and nitrate integrated equipment for treatment, the dust and nitrate integrated equipment can remove dust and then denitrate, and after the denitration treatment of the SCR catalyst is carried out, the abrasion of dust to the SCR catalyst is avoided, and the service life of the SCR catalyst can be effectively prolonged; and the dust and nitrate integrated equipment integrates dust removal equipment and denitration equipment, so that the floor area of the dust and nitrate integrated equipment is reduced, and the cost is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the dust and nitrate integrated equipment.
[ notation ] to show
First exhaust-heat boiler 1
Desulfurizing tower 2
Dust and saltpeter integrated equipment 3
Support 31 bin 32
Ash bucket 33 ceramic filter tube 34
High-purity chamber 37 total pressure difference transmitter 38
Entrance hole door 371
Flue 4
Second exhaust-heat boiler 5
Main blower 6
Chimney 7
Glass kiln 8
And a denitrifier injection system 9.
Detailed Description
The utility model is described in further detail below with reference to the figures and specific examples.
Referring to fig. 1 to 2, the present invention discloses a flue gas treatment system for a glass kiln, comprising: the system comprises a first waste heat boiler 1 capable of reducing the temperature of flue gas, a desulfurization tower 2 and a dust and nitrate integrated device 3 capable of removing dust and then denitrating, wherein an air outlet of the first waste heat boiler 1 is connected with an air inlet of the desulfurization tower 2 through a flue 4, an air outlet of the desulfurization tower 2 is connected with an air inlet of the dust and nitrate integrated device 3 through the flue 4, the desulfurization tower 2 is arranged between the first waste heat boiler 1 and the dust and nitrate integrated device 3, and a ceramic filter pipe 34 with a synergistic effect is arranged in the dust and nitrate integrated device 3; the first waste heat boiler 1 can reduce the temperature of flue gas generated by the glass kiln 8 from 550 ℃ to 350 ℃ so as to be located in an optimal reaction temperature range of a desulfurizer and a denitration reducing agent, an injection device capable of injecting the desulfurizer and the denitration reducing agent can be arranged in a flue 4 between an air outlet of the first waste heat boiler 1 and an air inlet of the desulfurization tower 2, preliminary desulfurization and denitration treatment can be performed on the flue gas generated by the glass kiln 8, the desulfurizer can be slaked lime or baking soda, and the denitration reducing agent can be 5-20% ammonia water, or 5-50% urea solution, or ammonia gas.
Moreover, the flue gas treatment system of the glass kiln can also comprise a second waste heat boiler 5 capable of reducing the temperature of the flue gas, a main fan 6 and a chimney 7, wherein the gas outlet of the dust and nitrate integrated equipment 3 is connected with the gas inlet of the second waste heat boiler 5 through a flue 4, and the main fan 6 is respectively connected with the gas outlet of the second waste heat boiler 5 and the gas inlet of the chimney 7 through the flue 4; thereby facilitating the treated flue gas to be led to a chimney 7 by using the main fan 6 for discharge; the second exhaust-heat boiler 5 can reduce the temperature of the flue gas treated by the dust and nitrate integration equipment 3 from 330 ℃ to 150 ℃.
Then, the flue gas treatment system of the glass kiln can further comprise a denitration agent injection system 9 capable of automatically adjusting the dosage of the denitration agent according to the concentration of nitrogen oxides in the flue gas, and an injection port of the denitration agent injection system 8 is communicated with the flue 4 between the air outlet of the first waste heat boiler 1 and the air inlet of the desulfurization tower 2; wherein the measuring instrument on the denitrifier injection system 9 feeds back the required denitration amount (the concentration of the nitrogen oxides in the flue gas-the concentration required to reach the emission), and the required denitration agent injection amount is obtained by calculation in the system. Further, in order to simplify the structure of the dust and nitrate integrated equipment 3, the dust and nitrate integrated equipment 3 may include a support 31, a chamber 32 and an ash bucket 33, the chamber 32 is fixedly arranged on the support 31, the ash bucket 33 is fixedly arranged at the bottom of the chamber 32, and the ceramic filter tube 34 is vertically and fixedly arranged in the chamber 32.
Next, the dust and nitrite integrated equipment 3 may further include a high-pressure gas purification chamber 37, an inlet hole door 371 is arranged on a side wall of the high-pressure gas purification chamber 37, the high-pressure gas purification chamber 37 is arranged at the upper end of the bracket 31, an air inlet 35 of the dust and nitrite integrated equipment 3 is arranged on a side wall of the chamber 32, and an air outlet 36 of the dust and nitrite integrated equipment 3 is arranged at the top of the high-pressure gas purification chamber 37; the high-air-purifying chamber 37 is triangular like a roof, and has enough space left, so that the high-air-purifying chamber can be used for replacing the ceramic filter tube 34, is different from the traditional large-top-cover air-purifying chamber structure, greatly reduces the air leakage rate of the equipment, and ensures the long-term stable operation of the equipment.
In addition, the number of the bins 32 is multiple, and the adjacent bins 32 can be separated by a heat insulation structure, so that the online maintenance and the online replacement of the ceramic filter tubes 34 of a single bin can be realized, and the normal operation of the equipment is not influenced.
Further, a total differential pressure transmitter 38 can be arranged between the air inlet 35 of the dust and niter integrated device 3 and the air outlet 36 of the dust and niter integrated device 3, and each chamber 32 is provided with a partial differential pressure transmitter 39, so that abnormal chambers 32 can be determined at the first time by observing differential pressure changes of the chambers 32, and timely overhaul and maintenance can be performed; in normal use, the differential pressure of each chamber 32 should be slightly less than the total differential pressure, and if the differential pressure of one chamber 32 is much greater than the total differential pressure, it indicates that ash blockage may occur.
Moreover, the dust and nitrite integrated equipment 3 may further include components such as a dust cleaning system, the dust cleaning system may include any one or more of a manual dust cleaning system, a timing dust cleaning system and a constant pressure dust cleaning system, and when the manual dust cleaning system, the timing dust cleaning system and the constant pressure dust cleaning system are all set, they may be switched.
The ceramic filter tube 34 may be a ceramic fiber filter tube containing an SCR catalyst, so as to simplify the structure, so that the flue gas is subjected to dust removal treatment by the ceramic fiber filter tube, and then subjected to denitration treatment by the SCR catalyst; the ceramic fiber filter tube is high-temperature resistant and corrosion resistant, can be suitable for severe working conditions, and is long in service life.
In summary, according to the utility model, through the structural design of the first exhaust-heat boiler 1, the desulfurization tower 2 and the dust and nitrate integrated equipment 3, when flue gas generated by the glass kiln 8 enters the first exhaust-heat boiler 1 for cooling, then flows into the desulfurization tower 2 for treatment, and then flows into the dust and nitrate integrated equipment 3 for treatment, because the dust and nitrate integrated equipment 3 can remove dust and then denitrate, after the denitration treatment of the SCR catalyst is performed, the abrasion of dust to the SCR catalyst is avoided, and the service life of the SCR catalyst can be effectively prolonged; and the dust and nitrate integrated equipment 3 integrates dust removal equipment and denitration equipment, so that the floor area of the dust and nitrate integrated equipment is reduced, and the cost is reduced.
The above-mentioned embodiments are only preferred embodiments of the present invention, and do not limit the technical scope of the present invention, so that the changes and modifications made by the claims and the specification of the present invention should fall within the scope of the present invention.
Claims (8)
1. A flue gas treatment system of a glass kiln, comprising: the utility model provides a can reduce flue gas temperature's first exhaust-heat boiler, a desulfurizing tower and one can remove dust earlier the dirt nitre integration equipment of back denitration, be connected through the flue between the gas outlet of first exhaust-heat boiler and the air inlet of desulfurizing tower, be connected through the flue between the gas outlet of desulfurizing tower and the air inlet of dirt nitre integration equipment, the desulfurizing tower is located between first exhaust-heat boiler and the dirt nitre integration equipment, be equipped with the ceramic filter tube of denitration in coordination in the dirt nitre integration equipment.
2. The flue gas treatment system of a glass kiln as defined in claim 1, wherein: the flue gas temperature of the flue gas can be reduced by the aid of the flue gas temperature reduction device, and the flue gas outlet of the flue gas temperature reduction device is connected with the flue gas inlet of the flue gas temperature reduction device.
3. The flue gas treatment system of a glass kiln as defined in claim 1, wherein: the denitration agent injection system can automatically adjust the dosage of the denitration agent according to the concentration of nitrogen oxides in the flue gas, and an injection port of the denitration agent injection system is communicated with a flue between an air outlet of the first waste heat boiler and an air inlet of the desulfurization tower.
4. The flue gas treatment system of a glass kiln as defined in claim 2, wherein: the dust and nitrite integrated equipment further comprises a support, a bin and an ash bucket, wherein the bin is fixedly arranged on the support, the ash bucket is fixedly arranged at the bottom of the bin, and the ceramic filter tube is vertically and fixedly arranged in the bin.
5. The flue gas treatment system of a glass kiln as defined in claim 4, wherein: the integrated dust and nitrite equipment further comprises a high air purifying chamber, a manhole door is arranged on the side wall of the high air purifying chamber, the upper end of the support is arranged in the high air purifying chamber, the air inlet of the integrated dust and nitrite equipment is arranged on the side wall of the bin, and the top of the high air purifying chamber is arranged at the air outlet of the integrated dust and nitrite equipment.
6. The flue gas treatment system of a glass kiln as defined in claim 4, wherein: the number of the bins is multiple, and adjacent bins are separated by a heat insulation structure.
7. The flue gas treatment system of a glass kiln as defined in claim 6, wherein: a total differential pressure transmitter is arranged between the air inlet of the dust and nitrite integrated equipment and the air outlet of the dust and nitrite integrated equipment, and a partial differential pressure transmitter is arranged in each chamber.
8. The system for treating fumes of a glass kiln as set forth in any of claims 1 to 7, characterized in that: the ceramic filter tube is composed of a ceramic fiber filter tube accommodating an SCR catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122942553.7U CN216668336U (en) | 2021-11-26 | 2021-11-26 | Flue gas treatment system of glass kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122942553.7U CN216668336U (en) | 2021-11-26 | 2021-11-26 | Flue gas treatment system of glass kiln |
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| Publication Number | Publication Date |
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| CN216668336U true CN216668336U (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122942553.7U Active CN216668336U (en) | 2021-11-26 | 2021-11-26 | Flue gas treatment system of glass kiln |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117771845A (en) * | 2024-01-31 | 2024-03-29 | 浙江新澄宇环境科技有限公司 | Flue gas desulfurization, dust removal and denitration integrated equipment for total oxygen glass kiln |
| CN117771845B (en) * | 2024-01-31 | 2024-10-18 | 浙江新澄宇环境科技有限公司 | Flue gas desulfurization, dust removal and denitration integrated equipment for total oxygen glass kiln |
-
2021
- 2021-11-26 CN CN202122942553.7U patent/CN216668336U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117771845A (en) * | 2024-01-31 | 2024-03-29 | 浙江新澄宇环境科技有限公司 | Flue gas desulfurization, dust removal and denitration integrated equipment for total oxygen glass kiln |
| CN117771845B (en) * | 2024-01-31 | 2024-10-18 | 浙江新澄宇环境科技有限公司 | Flue gas desulfurization, dust removal and denitration integrated equipment for total oxygen glass kiln |
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