CN210656651U - Sludge treatment device - Google Patents
Sludge treatment device Download PDFInfo
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- CN210656651U CN210656651U CN201920118636.4U CN201920118636U CN210656651U CN 210656651 U CN210656651 U CN 210656651U CN 201920118636 U CN201920118636 U CN 201920118636U CN 210656651 U CN210656651 U CN 210656651U
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- sludge
- gas
- rotary kiln
- treatment device
- disc dryer
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Abstract
The utility model provides a sludge treatment device. The sludge treatment apparatus includes: the disc dryer is used for drying the sludge to obtain dried sludge; and the rotary kiln is used for carrying out combustion treatment on the dried sludge, wherein the dried sludge obtains high-temperature flue gas in the combustion process, and the disc dryer is used for drying the sludge by utilizing the heat of the high-temperature flue gas. According to the utility model discloses a sludge treatment device adopts disc dryer and rotary kiln coprocessing mud, utilizes the heat of the flue gas that the rotary kiln produced to come the dry mud that gets into before the rotary kiln, combines the mummification of mud with burning to comprehensive treatment mud, burns mud again after the while through disc dryer drying sludge, has improved the suitability of rotary kiln to mud.
Description
Technical Field
The utility model relates to a refuse treatment field particularly relates to a sludge treatment device.
Background
With the continuous expansion of the number and scale of towns, the requirement on the treatment of town garbage is higher and higher. The urban domestic garbage has the characteristics of high moisture, complex components and large heat value change, and the garbage is treated in a harmless mode mainly including garbage classification recovery, landfill, composting, incineration, pyrolysis gasification and the like.
The household garbage incineration power generation is used as a currently rapidly developed garbage disposal mode, the volume of the garbage can be reduced by 90%, the quality of the garbage can be reduced by 70% -80%, the heat generated by incineration can be used for power generation, and the purposes of harmlessness, reduction and recycling of garbage disposal can be achieved. The existing sludge treatment device mostly adopts incinerator types such as fluidized bed and the like to carry out drying incineration treatment on sludge, and the sludge is required to have specific humidity, so that the applicability to the sludge is narrow.
Therefore, it is necessary to provide a new sludge treatment device to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content does not imply any attempt to define the essential features and essential features of the claimed solution, nor is it implied to be intended to define the scope of the claimed solution.
The utility model provides a sludge treatment device, include:
the disc dryer is used for drying the sludge to obtain dried sludge; and
a rotary kiln communicated with the disc dryer for performing combustion treatment on the dried sludge, wherein,
the disc dryer utilizes the heat of the high-temperature flue gas to dry the sludge.
The disc dryer is used for drying the sludge by taking the steam as a heat source.
Exemplarily, a second combustion chamber is further arranged between the rotary kiln and the waste heat boiler and used for further combustion treatment of the high-temperature flue gas.
Illustratively, the rotary kiln is configured as a counter-flow rotary kiln.
Illustratively, the sludge treatment device further comprises a gas treatment device, and the gas treatment device is used for treating gas generated by drying the sludge by the disc dryer so as to obtain dischargeable gas.
Illustratively, the gas includes a first portion including the odorous gas and a second portion including the moisture.
Illustratively, the gas treatment device comprises a steam-water separator for steam-water separation of water vapor and outputting condensed water and water vapor.
Illustratively, the gas treatment device comprises a dust remover, a cooler and a plasma photo-oxygen gas purification device which are connected in sequence so as to treat the odor gas into dischargeable gas.
Illustratively, the dust remover is a cyclone dust remover
According to the utility model discloses a sludge treatment device adopts disc dryer and rotary kiln intercommunication and then coprocessing mud, utilizes the heat of the flue gas that the rotary kiln produced to come the dry mud that gets into before the rotary kiln, combines the mummification of mud and burns, provides the device of integrated processing mud, burns mud again after passing through disc dryer dry sludge simultaneously, has improved the suitability of rotary kiln to mud.
Drawings
The following drawings of the present invention are used herein as part of the present invention for understanding the present invention. There are shown in the drawings, embodiments and descriptions of the invention, which are used to explain the principles of the invention.
In the drawings:
fig. 1 is a schematic structural view of a sludge treatment apparatus according to an embodiment of the present invention; including the following reference numerals:
the device comprises a disc dryer 1, a rotary kiln 2, a primary tuyere 21, a combustor 22, a slag outlet 23, a secondary combustion chamber 3, a secondary tuyere 31, a waste heat boiler 4, a feeding mechanism 5, a feeding system 6, an odor gas treatment device 7, a dust remover 71, a cooler 72, a plasma photo-oxygen gas purification device 73, a steam-water separator 8, a condensed water outlet 81 and a gas outlet 82.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
In order to thoroughly understand the present invention, a detailed description will be provided in the following description to illustrate the sludge treatment apparatus of the present invention. It is apparent that the practice of the invention is not limited to the specific details familiar to those skilled in the art of waste treatment. The preferred embodiments of the present invention are described in detail below, however, other embodiments of the present invention are possible in addition to these detailed descriptions.
It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
Exemplary embodiments according to the present invention will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art. In the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same elements are denoted by the same reference numerals, and thus the description thereof will be omitted.
The incineration power generation of the raw household garbage is used as a garbage disposal mode which is rapidly developed at present, the volume of the garbage can be reduced by 90%, the quality of the garbage can be reduced by 70% -80%, the heat generated by incineration can be used for power generation, and the purposes of harmlessness, reduction and recycling of garbage disposal can be achieved. The existing sludge treatment device mostly adopts incinerator types such as fluidized bed and the like to carry out drying incineration treatment on sludge, and the sludge is required to have specific humidity, so that the applicability to the sludge is narrow.
In order to solve the problems in the prior art, the utility model provides a sludge treatment device, include:
the disc dryer is used for drying the sludge to obtain dried sludge; and
a rotary kiln communicated with the disc dryer for performing combustion treatment on the dried sludge, wherein,
the disc dryer utilizes the heat of the high-temperature flue gas to dry the sludge.
The sludge treatment device of the present invention is schematically described below with reference to fig. 1, wherein fig. 1 is a schematic structural view of the sludge treatment device according to an embodiment of the present invention.
Referring first to fig. 1, a sludge treatment apparatus according to an embodiment of the present invention includes a disc dryer 1 and a rotary kiln 2. The disc dryer 1 is used for drying sludge to obtain dried sludge. The rotary kiln 2 is used for carrying out incineration treatment on the dried sludge to obtain high-temperature flue gas. Wherein, the disc drier 1 utilizes the heat of the high-temperature flue gas to dry the sludge.
Illustratively, the rotary kiln 2 may be a counter-flow rotary kiln. The flow direction of flue gas in the counter-flow rotary kiln is opposite to the flow direction of solid waste (namely sludge), the solid waste is input at one end of a rotary kiln cylinder, primary air is input at the other end of the rotary kiln cylinder, and a burner is started, so that the solid waste is fully contacted with the primary air in the rotary kiln cylinder, and the combustion efficiency of the solid waste is effectively improved. As shown in fig. 1, after the sludge is fed into the disc dryer from the feeding mechanism 5 for drying, the sludge is fed into the rotary kiln 2 from one end of the rotary kiln 2 through the feeding system 6, a primary air port 21 and a burner 22 are arranged at the other end of the rotary kiln, oxygen required for sludge incineration is fed into the rotary kiln 2 from the primary air port 21, the burner is started to combust the sludge, residue of the combusted sludge is discharged through a slag outlet 23 at the bottom of the rotary kiln 2, the process finishes the incineration treatment process of the garbage waste, the garbage waste is effectively treated, and the environment pollution caused by the garbage waste is avoided.
Illustratively, the feeding mechanism 5 comprises a grab bucket and a screw feeder. The feeding system 6 comprises a material receiving chain plate machine, a uniform feeder, a furnace feeding chain plate machine and the like. Through the cooperation of the feeding mechanism 5 and the feeding system 6, the amount of the sludge entering the disc dryer 1 is matched with the amount of the sludge entering the rotary kiln 2, the speed of the sludge and the rotary kiln is uniform, the feeding is consistent, and the uniform and effective operation of the whole sludge treatment system is ensured.
Illustratively, the sludge treatment device converts the heat of the high-temperature flue gas into steam, and the disc dryer heats the sludge by using the steam to dry the sludge. With reference to fig. 1, for example, the flue gas generated after the sludge is burned in the rotary kiln firstly enters the secondary combustion chamber 3 for further combustion treatment, and the garbage waste (i.e. sludge) is often subjected to cracking reaction during the combustion process, so that the flue gas often contains a large amount of organic substances, which are often toxic and harmful substances. As shown in fig. 1, a secondary air port 31 is provided at one side of the secondary combustion chamber 3. The flue gas that mud produced after the rotary kiln 2 burning schizolysis gets into in the second combustion chamber 3 and carries out further burning, and the heat after the burning gets into in exhaust-heat boiler 4, and exhaust-heat boiler 4 turns into the heat of steam with the heat in the flue gas, and steam provides the heat source of disc dryer 1 in order to carry out the drying to mud.
Illustratively, the disc dryer 1 dries the sludge to obtain a gas, wherein the gas comprises a first part and a second part, and illustratively, the first part comprises the odor gas and the second part comprises the moisture. With continued reference to FIG. 1, the sludge treatment plant further includes a gas treatment plant that treats the gas into a dischargeable gas. Illustratively, the gas treatment device includes a steam-water separator 8 for steam-water separating water vapor to output condensed water and water vapor. Illustratively, the gas treatment device comprises an odor gas treatment device 7, which may be a dust remover 71, a cooler 72 and a plasma photo-oxygen gas purification device 73 connected in sequence to treat the odor gas into dischargeable gas. Illustratively, the dust separator may be a cyclone.
Referring to fig. 1, the overall process of the sludge treatment apparatus for treating sludge will be described. The sludge is input into a garbage disposal plant by a transport vehicle, the disc dryer 1 carries out drying treatment on the sludge after the sludge is input into the disc dryer 1 by the feeding mechanism 5, and the dried sludge is input into the rotary kiln 2 for incineration through the feeding system 6. The rotary kiln 2 inputs primary air through a primary air port 21 to provide oxygen required by sludge incineration, the sludge incineration is started through a combustor 22, and incinerated ash is discharged through a slag outlet 23. The sludge is subjected to cracking gasification reaction in the rotary kiln 2, the generated flue gas enters the secondary combustion chamber 3 for further combustion so as to further treat toxic and harmful substances in the flue gas, and a secondary air port 31 is arranged on the side of the secondary combustion chamber and used for providing oxygen for further combustion of the flue gas. Meanwhile, high-temperature flue gas formed after further combustion of the flue gas is input into the waste heat boiler 4, and the waste heat boiler 4 converts heat in the high-temperature flue gas into heat in steam for storage. Steam is fed into the disc dryer 1 as a heat source for drying the sludge. Therefore, the heat is recycled, and the sludge drying and incineration are combined to comprehensively treat the sludge. The disc dryer 1 forms gas while drying the sludge, the gas comprises a first part which needs to be deodorized to be discharged, and in order to discharge the odor, the odor treatment device 7 is arranged and comprises a dust remover 71, a cooler 72 and a plasma photo-oxygen gas purification device 73 which are sequentially connected so as to treat the odor into dischargeable gas. The disc dryer 1 is used for drying the sludge and simultaneously forming gas, the gas also comprises a second part which comprises a large amount of water vapor and the like, in the subsequent gas treatment, a steam-water separator 8 is arranged for treating the second part which comprises the large amount of water vapor, the obtained condensed water is discharged from the end of a condensed water discharge port 81, and the water vapor is discharged from a gas discharge port 82.
So far, to accomplish the exemplary introduction of the sludge treatment apparatus according to the present invention. According to the utility model discloses a sludge treatment device adopts disc dryer and rotary kiln coprocessing mud, utilizes the heat of the flue gas that the rotary kiln produced to come the dry mud that gets into before the rotary kiln, combines the mummification of mud with burning to comprehensive treatment mud, burns mud again after the while through disc dryer drying sludge, has improved the suitability of rotary kiln to mud.
The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many more modifications and variations are possible in light of the teaching of the present invention and are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A sludge treatment apparatus, comprising:
the disc dryer is used for drying the sludge to obtain dried sludge; and
a rotary kiln communicated with the disc dryer for performing combustion treatment on the dried sludge, wherein,
the disc dryer dries the sludge by using the heat of the high-temperature flue gas; the sludge treatment device further comprises a gas treatment device, the gas treatment device is used for treating gas generated by drying the sludge by the disc dryer so as to obtain dischargeable gas, the gas generated by drying the sludge by the disc dryer comprises peculiar smell gas, the gas treatment device comprises a peculiar smell treatment device, and the peculiar smell treatment device comprises a dust remover, a cooler and a plasma photo-oxygen gas purification device which are sequentially connected.
2. The sludge treatment apparatus according to claim 1, further comprising a waste heat boiler for treating the high temperature flue gas to generate steam, wherein the disc dryer uses the steam as a heat source to dry the sludge.
3. The sludge treatment device as claimed in claim 2, wherein a secondary combustion chamber is further arranged between the rotary kiln and the waste heat boiler for further combustion treatment of the high-temperature flue gas.
4. The sludge treatment apparatus according to claim 1, wherein the rotary kiln is provided as a counter-flow rotary kiln.
5. The sludge treatment apparatus of claim 1 wherein the gas comprises a first portion and a second portion, the first portion comprising an odorous gas and the second portion comprising moisture.
6. The sludge treatment apparatus of claim 5 wherein the gas treatment apparatus includes a steam-water separator for steam-water separating water vapor to output condensed water and water vapor.
7. The sludge treatment apparatus of claim 6 wherein the dust separator is a cyclone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920118636.4U CN210656651U (en) | 2019-01-23 | 2019-01-23 | Sludge treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920118636.4U CN210656651U (en) | 2019-01-23 | 2019-01-23 | Sludge treatment device |
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| CN210656651U true CN210656651U (en) | 2020-06-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353527A (en) * | 2022-01-14 | 2022-04-15 | 天津水泥工业设计研究院有限公司 | Green calcining system and process for preparing aggregate by utilizing solid wastes |
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2019
- 2019-01-23 CN CN201920118636.4U patent/CN210656651U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353527A (en) * | 2022-01-14 | 2022-04-15 | 天津水泥工业设计研究院有限公司 | Green calcining system and process for preparing aggregate by utilizing solid wastes |
| CN114353527B (en) * | 2022-01-14 | 2024-04-30 | 天津水泥工业设计研究院有限公司 | Green calcining system and process for preparing aggregate by utilizing solid waste |
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