CN209978054U - Sludge incinerator for chain grate coal-fired boiler - Google Patents
Sludge incinerator for chain grate coal-fired boiler Download PDFInfo
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- CN209978054U CN209978054U CN201720513738.7U CN201720513738U CN209978054U CN 209978054 U CN209978054 U CN 209978054U CN 201720513738 U CN201720513738 U CN 201720513738U CN 209978054 U CN209978054 U CN 209978054U
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Abstract
The utility model discloses a sludge incineration device of a chain grate coal-fired boiler, which comprises a chain grate coal-fired boiler and a smoke treatment device thereof, wherein a weighing device is arranged on a peat mixer, a moisture proportion detection sensor is arranged in a sludge press dryer, a crusher is arranged at the rear stage of the sludge press dryer, the front stage of the crusher is connected with a belt conveyer, the rear stage of the crusher is connected with a screw conveyer, and printing and dyeing sludge is conveyed to the sludge press dryer, is pressed to be dry to a set sludge moisture content proportion and then is conveyed to the crusher; the crushed dry-pressed sludge and dry coal are mixed in a peat mixer in proportion after passing through a weighing device, the mixed peat mixture is conveyed to a coal burning pot with a chain grate through a coal feeding device for boiler incineration, and the incinerated peat is treated by a smoke treatment device and then discharges smoke which reaches the standard and is discharged. The existing chain boiler coal discharge boiler of the available enterprise carries out harmless incineration treatment on the produced sludge, reduces the enterprise treatment cost, shortens the customized installation production period and has high efficiency.
Description
Technical Field
The utility model relates to an burn the device, especially relate to a chain grate coal fired boiler mud burns device.
Background
The printing and dyeing solid waste is mainly sludge generated after the biochemical treatment of printing and dyeing sewage, and the harmless treatment of the sludge is required, the incineration is a mode advocated by the nation, the incineration mode is preferably selected in areas with developed economy and short land, and the incineration is also the most thorough sludge purification mode. However, the special installation of the sludge incineration boiler has high cost, long period and the like, and various factors restrict the sludge purification of small and medium-sized enterprises, so the progress is slow. If the existing chain grate coal-fired boiler of an enterprise is utilized to carry out harmless sludge incineration according to local conditions, the problem which is worthy of being considered and solved is solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the present mud that the printing and dyeing is useless admittedly and exist to carry out innoxious incineration disposal and need install the sludge incineration boiler of customization, lead to the costliness height, defects such as cycle length have restricted current situations such as the development progress of enterprise and the one that provides can utilize the present chain boiler coal boiler of enterprise to arrange the mud of production and carry out innoxious incineration disposal, reduce the treatment cost of enterprise, shorten customization installation production cycle, efficient chain grate coal fired boiler sludge incinerator.
The utility model discloses a solve the concrete technical scheme that above-mentioned technical problem adopted and be: the utility model provides a traveling grate coal fired boiler sludge incineration device, includes traveling grate coal fired boiler and flue gas processing apparatus thereof, its characterized in that: the device comprises a sludge press-drying machine, a crusher, a belt conveyor, a peat mixer and a coal feeding device, wherein the peat mixer is provided with a weighing device, the sludge press-drying machine is internally provided with a moisture proportion detection sensor for detecting the moisture content of the sludge after the compression rod, the rear stage of the sludge press-drying machine is provided with the crusher for crushing the pressed and dried sludge, the front stage of the crusher is connected with the belt conveyor, the rear stage of the crusher is connected with a screw conveyor, and the printing and dyeing sludge is conveyed to the sludge press-drying machine, is pressed and dried to reach the set moisture content proportion of the sludge and then is conveyed to the crusher; the crushed dry-pressed sludge and dry coal are mixed in a peat mixer in proportion after passing through a weighing device, the mixed peat mixture is conveyed to a coal burning pot with a chain grate through a coal feeding device for boiler incineration, and the incinerated peat is treated by a smoke treatment device and then discharges smoke which reaches the standard and is discharged. The printing and dyeing sludge generally has higher heat value, the press-dried sludge which is pressed to a set water content ratio is fully mixed with dry coal, the dry coal generally needs about 15% of water when entering a chain boiler coal discharge boiler, and the dry coal is mixed with the press-dried sludge containing a certain water percentage to just form a coal-fired mixture which can be burnt by the chain boiler coal discharge boiler and has a heat supply value, so that the use amount of the dry coal required by the conventional chain boiler coal discharge boiler is reduced, the energy consumption is reduced, the production cost of enterprises is saved, the printing and dyeing sludge can be effectively and harmlessly treated, the pollution to the environment is reduced, and the printing and dyeing sludge can be effectively recycled; can effectively utilize the current chain boiler coal boiler of enterprise to carry out innoxious incineration disposal to the mud that printing and dyeing solid useless produced, reduce the treatment cost of enterprise, shorten customization installation production cycle, it is efficient.
Preferably, the crusher adopts a screw crusher. The spiral stirring effect of the conveying of the press-dried and crushed printing and dyeing dry sludge is improved, the crushing rate is improved, and the mixing uniformity of the dry sludge and dry coal is improved.
Preferably, the moisture proportion detecting sensor is a soil moisture sensor. The effectiveness of the sludge press dryer in controlling the press-drying moisture percentage of the printing and dyeing sludge is improved.
Preferably, the peat mixer is provided with two sets of weighing devices, the two sets of weighing devices respectively weigh dry coal before being conveyed into the peat mixer and crushed press-dried sludge, and the dry coal and the crushed press-dried sludge are input into the peat mixer to be mixed after being weighed. The mixing ratio control efficiency of the sludge mixer is improved.
Preferably, the ratio of the dry coal to the crushed press-dried sludge is as follows: 4-5: 1. The effective percentage control of the burning of the fire coal required by the chain boiler coal discharging boiler is improved.
Preferably, the water content of the printing and dyeing sludge after being dried by a sludge press-drying machine is 50-60%. The effectiveness of the sludge press dryer in controlling the press-drying moisture percentage of the printing and dyeing sludge is improved.
The utility model has the advantages that: the dry coal is mixed with the press-dried sludge containing a certain water percentage to just form a coal-fired mixture with a burning heat supply value of the chain boiler coal discharge boiler, so that the use amount of the dry coal required by the conventional chain boiler coal discharge boiler is reduced, the energy consumption is reduced, the production cost of enterprises is saved, the printing and dyeing sludge can be effectively and harmlessly treated, the pollution to the environment is reduced, and the printing and dyeing sludge can be effectively recycled; can effectively utilize the current chain boiler coal boiler of enterprise to carry out innoxious incineration disposal to the mud that printing and dyeing solid useless produced, reduce the treatment cost of enterprise, shorten customization installation production cycle, it is efficient. The utility model discloses to printing and dyeing mud subtract the organic matter thermal decomposition in capacious, the mud thoroughly, calorific value in the mud has obtained make full use of, utilizes current boiler equipment, does not increase new investment, has effectively realized the theory of "energy saving and emission reduction, circular economy", and its economic benefits is also very considerable.
Description of the drawings:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic diagram of the structural principle of the sludge incinerator of the coal-fired boiler with chain grate.
Detailed Description
In the embodiment shown in fig. 1, a sludge incineration device of a chain grate coal-fired boiler comprises a chain grate coal-fired boiler 10 and a flue gas treatment device 11 thereof, and further comprises a sludge press-drying machine 20, a crusher 30, a belt conveyor 31, a peat mixer 40, a screw conveyor 32 and a coal feeding device 50, wherein the peat mixer 40 is provided with a weighing device, the sludge press-drying machine 20 is provided with a moisture proportion detection sensor for detecting the moisture content of sludge after a compression rod is installed, the rear stage of the sludge press-drying machine 20 is connected with the crusher 30 for crushing the pressed and dried sludge through the screw conveyor 32, the front stage of the crusher 30 is connected with the belt conveyor 31, the rear stage of the crusher 30 is connected with the screw conveyor 32, and the printed and dyed sludge 1 is conveyed into the sludge press-drying machine 20 and is pressed and dried to a set moisture content proportion of sludge and then conveyed to the crusher 30; the crushed dry-pressed sludge and the dry coal 2 are mixed in proportion in a peat mixer 40 after passing through a weighing device, the mixed peat mixture is conveyed to a chain grate coal burning boiler 10 through a coal feeding device 50 for boiler incineration, and the boiler incineration is treated by a flue gas treatment device 11 to discharge flue gas 14 which reaches the standard and is discharged. The heat generated after the coal burning of the chain grate coal burning boiler 10 is transmitted to a steam heat supply device 12 to provide the required heat for use, and the ash 13 generated by burning can be secondarily utilized. The crusher 30 is a screw crusher. The moisture proportion detection sensor adopts a soil moisture sensor. Two sets of weighing devices are installed on the peat mixer 40, and the two sets of weighing devices respectively weigh the dry coal 2 before being conveyed into the peat mixer 40 and the crushed dry sludge, and then the weighed dry coal and crushed dry sludge are conveyed into the peat mixer 40 to be mixed. The proportion of the dry coal to the crushed press-dried sludge is as follows: 4-5: 1. The water content of the printing and dyeing sludge after being pressed and dried by the sludge press-drying machine is 50-60%. The dry coal 2 with water content of 8 percent and the sludge containing water after drying are mixed in proportion to form a sludge dry coal mixture with water content of 15 percent, and the sludge dry coal mixture is conveyed to a chain grate coal burning pot 10 by a coal feeding device for burning in a boiler.
The foregoing has outlined the principles, major features, and advantages of the present invention in order that those skilled in the art may better understand the present disclosure. The foregoing examples and description merely illustrate the principles of the invention and are intended to provide further adaptations and modifications within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a traveling grate coal fired boiler sludge incineration device, includes traveling grate coal fired boiler and flue gas processing apparatus thereof, its characterized in that: the device comprises a sludge press-drying machine, a crusher, a belt conveyor, a peat mixer, a screw conveyor and a coal feeding device, wherein the peat mixer is provided with a weighing device, the sludge press-drying machine is internally provided with a moisture proportion detection sensor for detecting the moisture content of the sludge after the pressing rod is pressed, the rear stage of the sludge press-drying machine is provided with the crusher for crushing the pressed and dried sludge, the front stage of the crusher is connected with the belt conveyor, the rear stage of the crusher is connected with the screw conveyor, and the printing and dyeing sludge is conveyed into the sludge press-drying machine to be pressed and dried to reach the set sludge moisture content proportion and then conveyed to the crusher; the crushed dry-pressed sludge and dry coal are mixed in a peat mixer in proportion after passing through a weighing device, the mixed peat mixture is conveyed to a coal burning pot with a chain grate through a coal feeding device for boiler incineration, and the incinerated peat is treated by a smoke treatment device and then discharges smoke which reaches the standard and is discharged.
2. The sludge incineration device of the chain grate coal-fired boiler according to claim 1, characterized in that: the crusher adopts a spiral crusher.
3. The sludge incineration device of the chain grate coal-fired boiler according to claim 1, characterized in that: the moisture proportion detection sensor adopts a soil moisture sensor.
4. The sludge incineration device of the chain grate coal-fired boiler according to claim 1, characterized in that: the peat mixer is provided with two sets of weighing devices, the two sets of weighing devices respectively weigh dry coal before being conveyed into the peat mixer and crushed dry sludge, and the dry coal and the crushed dry sludge are input into the peat mixer for mixing after being weighed.
5. The sludge incineration device of the traveling grate coal-fired boiler according to claim 1 or 4, characterized in that: the proportion of the dry coal to the crushed press-dried sludge is as follows: 4-5: 1.
6. The sludge incineration device of the chain grate coal-fired boiler according to claim 1, characterized in that: the water content of the printing and dyeing sludge after being dried by the sludge press-drying machine is 50-60%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720513738.7U CN209978054U (en) | 2017-05-10 | 2017-05-10 | Sludge incinerator for chain grate coal-fired boiler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720513738.7U CN209978054U (en) | 2017-05-10 | 2017-05-10 | Sludge incinerator for chain grate coal-fired boiler |
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| CN209978054U true CN209978054U (en) | 2020-01-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113717766A (en) * | 2021-08-25 | 2021-11-30 | 江苏绿威环保科技股份有限公司 | Automatic blending system and method for sludge co-treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113717766A (en) * | 2021-08-25 | 2021-11-30 | 江苏绿威环保科技股份有限公司 | Automatic blending system and method for sludge co-treatment |
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