CN220169994U - Waste gas treatment system for cement kiln co-treatment of dangerous waste workshop - Google Patents
Waste gas treatment system for cement kiln co-treatment of dangerous waste workshop Download PDFInfo
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- CN220169994U CN220169994U CN202321353839.4U CN202321353839U CN220169994U CN 220169994 U CN220169994 U CN 220169994U CN 202321353839 U CN202321353839 U CN 202321353839U CN 220169994 U CN220169994 U CN 220169994U
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- 239000002912 waste gas Substances 0.000 title claims abstract description 54
- 239000002699 waste material Substances 0.000 title claims abstract description 29
- 239000004568 cement Substances 0.000 title claims abstract description 16
- 238000011278 co-treatment Methods 0.000 title claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000009423 ventilation Methods 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 10
- 239000002920 hazardous waste Substances 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 9
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- Gasification And Melting Of Waste (AREA)
Abstract
The utility model discloses a waste gas treatment system for a cement kiln co-treatment dangerous waste workshop, which comprises a pretreatment workshop; the pretreatment workshop comprises an operation area with low waste gas concentration, a unloading area and an equipment area, and a material pool grab bucket area with high waste gas concentration; the operation area, the unloading area and the equipment area are respectively communicated with the material pool grab bucket area through an exhaust gas transportation pipeline provided with a first fan, a second fan and a third fan, and the material pool grab bucket area is respectively communicated with a kiln head grate cooler section fan for treating exhaust gas. The utility model transfers the waste gas from the area with low waste gas concentration to the area with higher concentration for treatment; no ventilation device is needed for the area with low concentration of the original waste gas, so that the energy consumption of the whole system is reduced; for areas with higher concentration, the utility model ensures the stability of negative pressure in the ventilation process by arranging the regulating valve and the fan; in addition, the utility model also provides a standby treatment device to prevent the waste gas in the workshop from being unable to be treated in the period of stopping kiln when the kiln breaks down.
Description
Technical Field
The utility model belongs to the technical field of workshop waste gas treatment, and particularly relates to a waste gas treatment system for a cement kiln co-treatment dangerous waste workshop.
Background
In recent years, theory and practice prove that the cement kiln is a way for disposing the dangerous waste in a coordinated manner in a manner of reducing, harmlessly and recycling the dangerous waste. During hazardous waste storage and disposal, a large amount of exhaust gas is inevitably released. In order to ensure the negative pressure in the workshop, the traditional waste gas treatment adopts a direct ventilation mode for the area in the dangerous waste workshop, and the ventilation mode has larger ventilation volume and causes more ventilation quantity, so that the corresponding pipe diameter of the conveying pipeline is thicker, the installation is inconvenient, the type selection of the fan is also larger, and the operation energy consumption is high; because the workshop area is directly ventilated, the negative pressure stability of the areas with high concentration of the important points is difficult to ensure. Secondly, when the cement kiln needs to be maintained and is in a kiln stopping period, the treatment of waste gas also has to be stopped, and the working efficiency of a workshop is affected.
Disclosure of Invention
The utility model aims to: the utility model aims to provide a waste gas treatment system for a cement kiln co-treatment dangerous waste workshop, which is low in energy consumption and good in stability.
The technical scheme is as follows: the utility model relates to a waste gas treatment system for a cement kiln co-treatment dangerous waste workshop, which comprises a pretreatment workshop; the pretreatment workshop comprises an operation area with low waste gas concentration, a unloading area and an equipment area; the material pool grab bucket area with high waste gas concentration is also included; the operation area, the unloading area and the equipment area are respectively communicated with the material pool grab bucket area through an exhaust gas transportation pipeline provided with a first fan, a second fan and a third fan, and the material pool grab bucket area is communicated with a section of fan of the kiln head grate cooler for treating exhaust gas.
The waste gas treatment system further comprises a conveying corridor, a dangerous waste testing center, a dangerous waste storage warehouse and a waste liquid disposal workshop, wherein the waste gas concentration is high, and the conveying corridor, the dangerous waste testing center, the dangerous waste storage warehouse and the waste liquid disposal workshop are respectively communicated with a section of fan of the kiln head grate cooler through a first regulating valve, a third regulating valve, a fourth regulating valve and a fifth regulating valve.
And the waste gas conveying pipelines correspondingly connected with the conveying corridor and the dangerous waste testing center are respectively provided with a fourth fan and a fifth fan for assisting waste gas transportation.
Wherein, waste liquid treatment workshop includes waste liquid unloading district, tank field and ton bucket temporary storage.
The input end of a section of fan of the kiln head grate cooler is provided with a seventh regulating valve and a sixth fan for assisting ventilation.
The input end of the standby treatment device is provided with a sixth regulating valve, and the output end of the standby treatment device is provided with a chimney for exhausting.
And a seventh fan for assisting ventilation is further arranged between the chimney and the standby processing device.
The beneficial effects are that: compared with the prior art, the utility model has the following advantages: the utility model transfers the waste gas from the area with low waste gas concentration to the area with higher concentration for treatment; no ventilation device is needed for the area with low concentration of the original waste gas, so that the energy consumption of the whole system is reduced; for areas with higher concentration, the utility model ensures the stability of negative pressure in the ventilation process by arranging the regulating valve and the fan; in addition, the utility model also provides a standby treatment device to prevent the waste gas in the workshop from being unable to be treated in the period of stopping kiln when the kiln breaks down.
Drawings
Fig. 1 is a system schematic diagram of the system of the present utility model.
Detailed Description
As shown in fig. 1, the waste gas treatment system for the cement kiln co-treatment hazardous waste workshop comprises a pretreatment workshop 1, wherein the pretreatment workshop 1 comprises a working area 11, a unloading area 12, an equipment area 13 and a material pool grab area 14; the operation area 11, the unloading area 12 and the equipment area 13 have a small amount of dangerous waste, and the concentration of waste gas in the area is low; the pool grab area 14 has a large amount of dangerous waste for a long time, and the concentration of waste gas in the area is high; other areas where waste gas is required to be treated include a hazardous waste storage warehouse 2, a waste liquid disposal workshop 3, a conveying gallery 4 and a hazardous waste assay center 5; for the region with lower waste gas concentration, a first fan 71, a second fan 72 and a third fan 73 are respectively arranged on waste gas transportation pipelines of the operation region 11, the unloading region 12 and the equipment region 13, and waste gas in the corresponding region is conveyed to the material pool grab region 14; the material pool grab bucket area 14 conveys the waste gas to a kiln head grate cooler section fan 6 for treatment through a waste gas conveying pipeline and a second regulating valve 82; the waste gas treatment system further comprises a conveying corridor 4 with higher waste gas concentration, a hazardous waste assay center 5, a hazardous waste storage warehouse 2 and a waste liquid treatment workshop 3, wherein the conveying corridor 4, the hazardous waste assay center 5, the hazardous waste storage warehouse 2 and the waste liquid treatment workshop 3 are respectively communicated with a kiln head grate cooler section fan 6 for treatment through a first regulating valve 81, a third regulating valve 83, a fourth regulating valve 84 and a fifth regulating valve 85; because the concentration of waste gas in the conveying corridor 4 and the dangerous waste testing center 5 is high and the conveying distance is long, a fourth fan 75 and a fifth fan 74 are correspondingly arranged on the conveying pipeline of the conveying corridor 4 and the dangerous waste testing center 5, and the number of the fans is adaptively adjusted according to the conveying length of the pipeline and the concentration of gas; in order to ensure the treatment efficiency of no residual gas and waste gas in all the pipelines, a sixth fan 76 is arranged at the input end of a section of fan 6 of the kiln head grate cooler to further ensure the gas delivery; when the kiln head grate cooler is used normally, all waste gas is treated by the first section fan 6 of the kiln head grate cooler, when the first section fan 6 of the kiln head grate cooler needs to be maintained, the seventh regulating valve 87 at the input end of the first section fan 6 of the kiln head grate cooler is closed, the sixth regulating valve 86 is opened, the collected waste gas is conveyed to the standby treatment device 10 for treatment through the waste gas pipeline by the seventh fan 77, and the waste gas is discharged through the chimney 9 after reaching the treatment standard, so that the waste gas treatment problem in the kiln stopping period is solved.
Claims (7)
1. The waste gas treatment system for the cement kiln co-treatment hazardous waste workshop comprises a pretreatment workshop (1); the pretreatment workshop (1) is characterized by comprising a working area (11) with low waste gas concentration, a unloading area (12) and an equipment area (13), and the pretreatment workshop (1) also comprises a material pool grab bucket area (14) with high waste gas concentration; the operation area (11), the unloading area (12) and the equipment area (13) are respectively communicated with the material pool grab bucket area (14) through an exhaust gas transportation pipeline provided with a first fan (71), a second fan (72) and a third fan (73), and the material pool grab bucket area (14) is respectively communicated with a kiln head grate cooler section fan (6) for treating exhaust gas.
2. The waste gas treatment system of the cement kiln co-treatment hazardous waste workshop according to claim 1, further comprising a conveying corridor (4), a hazardous waste assay center (5), a hazardous waste storage warehouse (2) and a waste liquid treatment workshop (3), wherein the conveying corridor (4), the hazardous waste assay center (5), the hazardous waste storage warehouse (2) and the waste liquid treatment workshop (3) are respectively communicated with a kiln head grate cooler section fan (6) through a first regulating valve (81), a third regulating valve (83), a fourth regulating valve (84) and a fifth regulating valve (85).
3. The waste gas treatment system of the cement kiln co-treatment hazardous waste workshop according to claim 2, wherein a fourth fan (75) and a fifth fan (74) for assisting waste gas transportation are further arranged on waste gas conveying pipelines correspondingly connected with the conveying corridor (4) and the hazardous waste assay center (5) respectively.
4. The waste gas disposal system of a cement kiln co-disposal hazardous waste workshop according to claim 2, characterized in that the waste disposal plant (3) comprises a waste unloading area (31), a tank area (32) and a ton barrel temporary storage area (33).
5. The waste gas treatment system for the cement kiln co-treatment hazardous waste workshop according to claim 1, wherein a seventh regulating valve (87) and a sixth fan (76) for assisting ventilation are arranged at the input end of a first fan (6) of the kiln head grate cooler.
6. The waste gas treatment system for the cement kiln co-treatment hazardous waste workshop according to claim 1, further comprising a standby treatment device (10), wherein the input end of the standby treatment device (10) is provided with a sixth regulating valve (86), and the output end of the standby treatment device is provided with a chimney (9) for exhausting.
7. The waste gas treatment system for the cement kiln co-treatment hazardous waste workshop according to claim 6, wherein a seventh fan (77) for assisting ventilation is further arranged between the chimney (9) and the standby treatment device (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321353839.4U CN220169994U (en) | 2023-05-31 | 2023-05-31 | Waste gas treatment system for cement kiln co-treatment of dangerous waste workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321353839.4U CN220169994U (en) | 2023-05-31 | 2023-05-31 | Waste gas treatment system for cement kiln co-treatment of dangerous waste workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220169994U true CN220169994U (en) | 2023-12-12 |
Family
ID=89051929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321353839.4U Active CN220169994U (en) | 2023-05-31 | 2023-05-31 | Waste gas treatment system for cement kiln co-treatment of dangerous waste workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220169994U (en) |
-
2023
- 2023-05-31 CN CN202321353839.4U patent/CN220169994U/en active Active
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