CN210457920U - Cement kiln sludge treatment device - Google Patents
Cement kiln sludge treatment device Download PDFInfo
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- CN210457920U CN210457920U CN201921213038.1U CN201921213038U CN210457920U CN 210457920 U CN210457920 U CN 210457920U CN 201921213038 U CN201921213038 U CN 201921213038U CN 210457920 U CN210457920 U CN 210457920U
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Abstract
The utility model relates to a cement kiln sludge treatment device, which comprises a wet sludge storage bin, a sludge drier, a waste gas treatment device, raw material grinding, a dry sludge storage bin, a conveying device, a feeding device and a cement kiln decomposing furnace; the device adopts various sludge for cement production to participate in raw material preparation, thereby saving production cost. The device adopts the composite heating paddle type dryer to dry wet sludge, and introduces high-temperature flue tail gas generated during combustion of the cement kiln decomposing furnace into a shell jacket cavity of the dryer to heat the dryer, so that the energy is saved remarkably, the drying efficiency is high, and the environment is protected; the device can properly treat or utilize harmful and toxic substances in the sludge; so that the useful substances can be comprehensively utilized.
Description
Technical Field
The utility model relates to a cement kiln sludge treatment equipment belongs to waste treatment technical field.
Background
The sludge not only contains a large amount of organic matters, inorganic matters and water, but also contains heavy metal ions, parasitic ova and pathogenic microorganisms, and if the sludge is not treated properly, the environment can be polluted. At present, people mainly adopt four modes of sanitary landfill, land utilization, incineration and sludge drying for sludge treatment.
CN201621483883.7 provides a sludge treatment equipment, including first sludge treatment unit and second sludge treatment unit, first sludge treatment unit includes bottom concrete slope, the inclined plane department installation pipeline is hugged closely to concrete slope below, one side of first sludge treatment unit is equipped with the bilge pit, and first sludge treatment unit is equipped with a plurality of sewage discharge ports in the one side that is close to the bilge pit from top to bottom, first sludge treatment unit still includes temperature sensor, solenoid valve, firing equipment, the depth gauge that PLC controller and PLC controller are connected respectively, wet mud that first sludge treatment unit discharged is handled to the second sludge treatment unit, further deposits through treatment facility and desiccation equipment, and the desiccation is handled. The utility model discloses a sludge treatment device handle through first sludge treatment unit and second sludge treatment unit jointly, the effectual cost of having practiced thrift has improved sludge treatment efficiency.
CN201820428787.5 discloses papermaking sludge treatment equipment, including the bottom plate, the top fixedly connected with sludge treatment case of bottom plate, sludge treatment case's inside fixedly connected with center pin, turn right fixedly connected with sliding plate and stripper plate in proper order from a left side on the surface of center pin, the stripper plate is provided with a plurality ofly, the right side fixedly connected with connective bar of sliding plate, the right-hand member of connective bar run through stripper plate and sludge treatment case in proper order and extend to sludge treatment case's outside, fixedly connected with spring between the stripper plate, the one end of connective bar and the top fixedly connected with hydraulic tank that is located sludge treatment case, sludge treatment incasement chamber's left wall is rotated through the fixed block and is connected with netted slide, the utility model relates to a sludge treatment technical field. This papermaking sludge treatment equipment utilizes the cooperation between stripper plate and the spring can extrude wet mud and filter out sewage, utilizes the hydraulic pressure case to provide power, easy operation, and the practicality is high.
CN201811489854.5 discloses a sludge treatment agent and a sludge treatment method. The sludge treatment agent comprises sawdust, the sludge is pretreated by the sludge treatment agent containing the sawdust, then the sludge is dewatered by the aid of the flocculant, the environment cannot be polluted because the main component of the sawdust is cellulose, and the pretreatment effect of the sawdust on the sludge is better than that of an organic polymer monomer in the prior art, so that the dewatering performance of the sludge is further improved.
Direct incineration of sludge is common, and direct incineration of sludge without drying is difficult and extremely uneconomical in energy consumption. The sludge treatment method taking incineration as a core is one of the most thorough sludge treatment methods, can completely carbonize organic matters, kill pathogens and reduce the volume of sludge to the maximum extent; but has the disadvantages of large investment in treatment facilities, high treatment cost, high maintenance cost of equipment and generation of dioxin, a strong carcinogen. With the enhancement of environmental protection, researchers in all countries around the world are researching and developing new technologies to find more economical and reasonable sludge treatment schemes.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defects of the prior art and provide a cement kiln sludge treatment device to overcome the above problems.
A cement kiln sludge treatment device mainly comprises a wet sludge storage bin, a wet sludge pump, a sludge drier, a microchannel heat exchanger with a manganese aluminide layer, waste gas treatment equipment, raw material grinding, a dry sludge storage bin, conveying equipment, a feeding device and a cement kiln decomposing furnace, wherein the wet sludge pump is arranged between the wet sludge storage bin and the sludge drier and conveys wet sludge to a feed inlet of the sludge drier; the exhaust port of the sludge drier is connected with a microchannel heat exchanger with a manganese aluminide layer through a pipeline, and a microchannel heat exchanger waste gas treatment device with the manganese aluminide layer is connected with the microchannel heat exchanger waste gas treatment device; the discharge port is connected with raw material grinding through a discharge screw and a pipeline; a raw material grinding outlet is communicated with a dry sludge storage bin; the dry sludge storage bin conveys dry sludge to a feeding device through conveying equipment, and the feeding device processes the dry sludge according to measurement and feeds the dry sludge to a cement kiln decomposing furnace.
The waste gas treatment equipment comprises a condensing tower and a spray tower, and the solvent in the sludge is condensed and recovered.
The sludge drier is a composite heating paddle type drier;
the sludge drier is used for indirectly heating and drying wet sludge by using high-temperature flue tail gas generated during combustion of a cement kiln decomposing furnace.
The heat in the high-temperature waste gas can be taken out of the system through heat exchange, and the manganese aluminide layer is used as a catalyst to carry out catalytic cracking on macromolecular organic gas in the waste gas to generate micromolecular gas, thereby being beneficial to improving the efficiency of treatment equipment; the coating thickness of the microchannel heat exchanger 4 with the manganese aluminide layer is 2-10 microns.
The beneficial effects of the utility model are that, this device adopts various mud to be used for cement manufacture to participate in the raw material preparation, practices thrift manufacturing cost. The device adopts the composite heating paddle type drying machine to dry wet sludge, and introduces high-temperature flue tail gas generated during combustion of the cement kiln decomposing furnace into a shell jacket cavity of the drying machine to heat the drying machine, so that the energy is saved remarkably, the drying efficiency is high, and harmful and toxic substances in the sludge can be properly treated or utilized; so that the useful substances can be comprehensively utilized.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
In the figure: the system comprises a wet sludge storage bin 1, a wet sludge pump 2, a sludge drier 3, a microchannel heat exchanger 4 with a manganese aluminide layer, a waste gas treatment device 5, raw material grinding 6, a dry sludge storage bin 7, a conveying device 8, a feeding device 9 and a cement kiln decomposing furnace 10.
FIG. 2 is a schematic view of a microchannel heat exchanger with a manganese aluminide layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example 1
A cement kiln sludge treatment device mainly comprises a wet sludge storage bin 1, a wet sludge pump 2, a sludge drier 3, a microchannel heat exchanger 4 with a manganese aluminide layer, a waste gas treatment device 5, raw material grinding 6, a dry sludge storage bin 7, a conveying device 8, a feeding device 9 and a cement kiln decomposition furnace 10, wherein the wet sludge pump 2 is installed between the wet sludge storage bin 1 and the sludge drier 3, and the wet sludge pump 2 conveys wet sludge to a feed inlet of the sludge drier 3; an exhaust port of the sludge drier 3 is connected with a micro-channel heat exchanger 4 with a manganese aluminide layer through a pipeline, and the micro-channel heat exchanger 4 with the manganese aluminide layer is connected with a waste gas treatment device 5; the discharge port is connected with the raw material grinding 6 through a discharge screw and a pipeline; an outlet of the raw material grinding 6 is communicated with a dry sludge storage bin 7; dry mud is stored storehouse 7 and is carried dry mud to throwing material device 9 through conveying equipment 8, throws material device 9 and throws material 10, its characterized in that to cement kiln dore furnace 10 according to measurement processing dry mud: the mud kiln decomposing furnace 10 is connected with the micro-channel heat exchanger 4 with the manganese aluminide layer through a pipeline.
The waste gas treatment equipment comprises a condensing tower and a spray tower, and the solvent in the sludge is condensed and recovered.
The sludge drier 3 is a composite heating paddle type drier;
the sludge drier 3 is used for indirectly heating and drying wet sludge by using high-temperature flue tail gas generated during combustion of the cement kiln decomposing furnace 10.
The coating thickness of the microchannel heat exchanger 4 with the manganese aluminide layer is 5 microns.
Example 2
The microchannel heat exchanger 4 with the manganese aluminide layer was 2 μm thick, otherwise as in example 1.
Example 3
The microchannel heat exchanger 4 with the manganese aluminide layer was 10 microns thick as in example 1.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A cement kiln sludge treatment device mainly comprises a wet sludge storage bin (1), a wet sludge pump (2), a sludge drier (3), a microchannel heat exchanger (4) with an aluminized manganese layer, a waste gas treatment device (5), raw material grinding (6), a dry sludge storage bin (7), a conveying device (8), a feeding device (9) and a cement kiln decomposing furnace (10), wherein the wet sludge pump (2) is installed between the wet sludge storage bin (1) and the sludge drier (3), and the wet sludge pump (2) conveys wet sludge to a feeding port of the sludge drier (3); an exhaust port of the sludge drier (3) is connected with a microchannel heat exchanger (4) with a manganese aluminide layer through a pipeline, and the microchannel heat exchanger (4) with the manganese aluminide layer is connected with a waste gas treatment device (5); the discharge port is connected with the raw material grinding (6) through a discharge screw and a pipeline; an outlet of the raw material grinding machine (6) is communicated with a dry sludge storage bin (7); dry mud is stored storehouse (7) and is carried dry mud to throwing material device (9) through conveying equipment (8), throws material device (9) and throws material to cement kiln dore furnace (10), its characterized in that according to measurement processing dry mud: the mud kiln decomposing furnace (10) is connected with a micro-channel heat exchanger (4) with a manganese aluminide layer through a pipeline.
2. The cement kiln sludge treatment apparatus according to claim 1, characterized in that: the waste gas treatment equipment (5) comprises a condensing tower and a spray tower, and the solvent in the sludge is condensed and recovered.
3. The cement kiln sludge treatment apparatus according to claim 1, characterized in that: the sludge drier (3) is a composite heating paddle type drier.
4. The cement kiln sludge treatment apparatus according to claim 1, characterized in that: the sludge drier (3) is used for indirectly heating and drying wet sludge by using high-temperature flue tail gas generated during combustion of the cement kiln decomposing furnace (10).
5. The cement kiln sludge treatment apparatus according to claim 1, characterized in that: the coating thickness of the microchannel heat exchanger (4) with the manganese aluminide layer is 2-10 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921213038.1U CN210457920U (en) | 2019-07-30 | 2019-07-30 | Cement kiln sludge treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921213038.1U CN210457920U (en) | 2019-07-30 | 2019-07-30 | Cement kiln sludge treatment device |
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| Publication Number | Publication Date |
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| CN210457920U true CN210457920U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921213038.1U Active CN210457920U (en) | 2019-07-30 | 2019-07-30 | Cement kiln sludge treatment device |
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| CN (1) | CN210457920U (en) |
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- 2019-07-30 CN CN201921213038.1U patent/CN210457920U/en active Active
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