CN210030382U - Sludge auxiliary drying device - Google Patents
Sludge auxiliary drying device Download PDFInfo
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- CN210030382U CN210030382U CN201920284824.4U CN201920284824U CN210030382U CN 210030382 U CN210030382 U CN 210030382U CN 201920284824 U CN201920284824 U CN 201920284824U CN 210030382 U CN210030382 U CN 210030382U
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Abstract
The utility model provides a sludge auxiliary drying device. The sludge auxiliary drying device comprises: the sludge treatment device comprises a cavity, a sludge treatment device and a sludge treatment device, wherein a feed inlet and a discharge outlet are respectively arranged at two ends of the cavity, and sludge enters the cavity from the feed inlet and is discharged from the discharge outlet; the heat source supply device is used for providing a heat source, and the heat source exchanges heat with the sludge in the cavity so as to dry the sludge; a vibrating device for vibrating the sludge during the drying process of the sludge to push the sludge to the discharge port; and the drying baffle is arranged at the bottom of the cavity and used for blocking part of the sludge in the process that the sludge is pushed to the discharge hole. According to the utility model discloses a mummification device is assisted to mud, mud realize pushing away material and granulation at the in-process of vibration, save transmission such as pivot, paddle, plectrum, simple structure easily operates, has effectively solved and has blockked, card material scheduling problem, has improved the mummification effect, has promoted mummification efficiency.
Description
Technical Field
The utility model relates to a refuse treatment field particularly relates to a mummification device is assisted to mud.
Background
The daily treatment capacity of sewage in a plurality of sewage treatment plants in China reaches 1.4 hundred million tons, sludge is an inevitable product in the sewage treatment process, the annual output at present exceeds 4000 million tons, and 9000 million tons are estimated in 2020. Such large amounts of sludge, if not properly disposed of, can cause serious environmental problems. However, at present, the sludge disposal rate in China is only 58%, mainly by landfill, and about 65%, the sludge filling occupies a large amount of land, and meanwhile, leachate of the sludge can pollute underground water. Therefore, efficient sludge reduction, stabilization and harmless treatment and disposal technologies are urgently needed, wherein the sludge heat drying technology is one of the important methods.
The sludge drying mainly comprises two forms of mechanical dehydration and heat drying dehydration, wherein the heat drying treatment can realize sludge reduction to the maximum extent. The traditional sludge heat drying device adopts the drying of hollow blades, rollers or discs and other forms, the equipment structure is complex, the maintenance is not easy, the equipment is easy to wear after long-time operation, and the sludge is easy to adhere to a blade shaft or a wall in the operation process to cause blockage and material blockage.
Therefore, it is necessary to provide a new sludge drying assisting 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 mummification device is assisted to mud, include:
the sludge treatment device comprises a cavity, a sludge treatment device and a sludge treatment device, wherein a feed inlet and a discharge outlet are respectively arranged at two ends of the cavity, and sludge enters the cavity from the feed inlet and is discharged from the discharge outlet;
the heat source supply device is used for providing a heat source, and the heat source exchanges heat with the sludge in the cavity so as to dry the sludge;
a vibrating device for vibrating the sludge during the drying process of the sludge to push the sludge to the discharge port;
the drying baffle is arranged at the bottom of the cavity and used for blocking part of the sludge in the process of pushing the sludge to the discharge hole.
The vibration device comprises a cavity, a vibration absorbing device and a vibration adjusting device, wherein the cavity is arranged in the cavity, and the vibration absorbing device is arranged below the cavity and used for adjusting the vibration intensity of the vibration device.
Illustratively, the damping means comprises a damping spring.
The cavity is provided with a cavity, and the cavity is provided with a cavity body, wherein the cavity body is provided with a cavity, and the cavity body is provided with a cavity body, a damping spring and a damping spring adjusting device.
Illustratively, the drying baffle has a sloping surface extending upwards along the pushing direction of the sludge.
The drying baffle plate is arranged along the pushing direction of the sludge.
The drying baffle adjusting device is used for adjusting the height and/or position of the baffle.
Illustratively, the heat source is provided as hot water.
Illustratively, the heat source supply device comprises a water jacket interlayer arranged at the bottom of the cavity.
Illustratively, the vibration device is provided as a vibration motor that intermittently vibrates the cavity.
According to the utility model discloses a mummification device is assisted to mud, adopt vibrating device to vibrate the propelling movement to mud, in-process at propelling movement mud is broken and is refined mud, the specific surface area of mud has effectively been increased, the area of contact of mud with the heat source has been promoted, drying efficiency has been promoted, and simultaneously, set up the mummification baffle in the cavity, make mud at the collision, the in-process of overturning the mummification baffle realizes that mud is broken and the granulation on the one hand, sludge drying dehydration accelerates, on the other hand, in-process at mud to discharge gate propelling movement separates the sludge granules of different moisture contents effectively, the mummification baffle that the mud that the moisture content is lower overturns pushes forward, the higher mud of moisture content can't overturn the baffle and update the contact surface of mud and heat source, update the heat transfer surface, sludge.
According to the sludge auxiliary drying device, the sludge is pushed and granulated in the vibration process, the transmission devices such as a rotating shaft, a paddle, a shifting piece and the like are omitted, the structure is simple and easy to operate, and the problems of blockage, material blockage and the like are effectively solved; the sludge is dried and pushed by vibration, so that equipment abrasion is avoided, the service life is long, large-scale turnover of sludge particles is avoided in the drying process, and dust raising is avoided; due to the design of the baffle plate, the sludge can move forwards in a hurdle type manner, sludge particles are assisted to roll and break, the heat exchange surface of the sludge particles is automatically updated in the hurdle type process, the drying effect is improved, and the drying efficiency is improved.
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 diagram of a sludge auxiliary drying device according to an embodiment of the present invention.
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-assisted drying 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 water content of sludge generated by a sewage treatment plant is about 80-90%, and in the sludge heat drying process, the water content is gradually reduced, the viscosity is gradually increased, and a drying viscous zone appears. The existing sludge heat drying equipment adopts a rotating shaft, a paddle, a shifting sheet and other complex structures, so that sludge is easy to adhere and accumulate on complex parts to cause blockage and material blockage, and the blockage phenomenon is very serious especially in a sludge viscous zone. And because the sludge is adhered to the surface of the complex structure, the sludge and the equipment rub with each other in the sludge drying and rotating process, and the equipment is obviously abraded after long-term operation.
In order to solve the problems in the prior art, the utility model provides a sludge auxiliary drying device, include:
the sludge treatment device comprises a cavity, a sludge treatment device and a sludge treatment device, wherein a feed inlet and a discharge outlet are respectively arranged at two ends of the cavity, and sludge enters the cavity from the feed inlet and is discharged from the discharge outlet;
the heat source supply device is used for providing a heat source, and the heat source exchanges heat with the sludge in the cavity so as to dry the sludge;
a vibrating device for vibrating the sludge to push the sludge toward the discharge port during the drying process of the sludge;
the drying baffle is arranged at the bottom of the cavity and used for blocking part of the sludge in the process of pushing the sludge to the discharge hole.
The sludge auxiliary drying device of the present invention is schematically illustrated below with reference to fig. 1, wherein fig. 1 is a schematic structural diagram of the sludge auxiliary drying device according to an embodiment of the present invention.
Referring first to fig. 1, a sludge-assisted drying apparatus according to an embodiment of the present invention includes a chamber 1. The chamber 1 may be cylindrical or square cylindrical, and may be made of metal material (such as steel material), plastic, or ceramic material.
And a feed inlet 11 and a discharge outlet 12 are arranged at two ends of the cavity 1. Illustratively, as shown in fig. 1, the feed port 11 is disposed at an upper portion of one end of the chamber 1, and the discharge port 12 is disposed at a lower portion of the other end of the chamber 1. Referring to fig. 1, sludge 7 of a sewage treatment plant is conveyed to a feed port 11 through a sludge conveying device 6, is conveyed to a discharge port 12 through the steps of drying, pushing and the like in a cavity 1, and is discharged, and the discharged sludge 7 is conveyed to a waste incineration device.
According to the utility model discloses a supplementary mummification device of mud still includes heat source feeding device. Referring to fig. 1, a heat source supply device 2 is arranged on the outer wall of the cavity 1 and provides heat source to transfer heat to the sludge 7 input into the cavity 1 through a feed inlet 11 through the cavity wall, so as to exchange heat with the sludge 7 and perform drying function on the sludge 7. Illustratively, the temperature of the heat source in the heat source supply device is less than 150 ℃. The sludge is dried by arranging the heat source supply device with the temperature lower than 150 ℃ on the outer wall of the sludge auxiliary drying device to exchange heat with the sludge, so that the problems of large steam consumption and overhigh drying temperature and generation of toxic and harmful gases in the traditional drying process are avoided.
Illustratively, the heat source is provided as hot water. The heat source is set as hot water, on one hand, the hot water acquisition channels are abundant, the structure of the sludge auxiliary drying device is simplified, and the cost of the sludge auxiliary drying device is reduced; on the other hand, the use of high-grade heat sources is reduced, and the cost is further reduced.
Exemplarily, referring to fig. 1, the heat source supplier 2 is disposed at the bottom of the chamber 1. After entering the cavity 1 from the feeding hole 11, the sludge 7 falls into the bottom of the cavity 1 and is directly dried by the bottom of the cavity 1 and the heat source supply device 2.
Illustratively, with continued reference to FIG. 1, the heat source supply 2 includes a water jacket shroud. The water jacket interlayer comprises a first layer close to the cavity wall and a second layer far away from the cavity wall, and a heat source is arranged between the first layer and the second layer. The heat source continuously passes through the water jacket interlayer to transfer heat to the cavity wall, and sludge in the cavity wall exchanges heat with the water jacket interlayer so as to dry the sludge.
It should be understood that the embodiment of setting the heat source supply device as the heat source or the hot water having the temperature lower than 150 c is merely exemplary, and any heat source (including steam, flue gas, etc.) is applicable to the present invention.
With continuing reference to fig. 1, the sludge drying apparatus further comprises a vibration device 3, wherein the vibration device 3 vibrates the sludge during the sludge drying process so that the sludge is pushed to the discharge hole 12. The vibrating device 3 generates a normal force perpendicular to the bottom of the cavity 1 and a tangential force along the bottom of the cavity 1 to the direction of the discharge port 12 to the sludge in a vibrating process, and the sludge is pushed towards the direction of the discharge port under the action force of the vibrating device. Adopt vibrating device to carry out the vibration propelling movement to mud, carry out breakage and refinement to mud at the in-process of propelling movement mud, effectively increased the specific surface area of mud, promoted the area of contact of mud with the heat source, promoted drying efficiency.
Illustratively, the vibration device 3 includes a vibration motor. The vibration motor intermittently vibrates the whole device according to the characteristics of the sludge, adjusts the forward movement speed of the sludge by adjusting the vibration frequency of the motor, and finally adjusts the moisture content in the sludge at the discharge port.
Continuing to refer to fig. 1, according to the utility model discloses a supplementary mummification device of mud still includes mummification baffle 4, mummification baffle 4 sets up cavity 1 bottom is used for sludge pushes to the in-process of discharge gate 12 blocks partial the mud.
Set up the mummification baffle in cavity bottom, make mud realize mud breakage and granulation on the one hand at the collision, the in-process of turning over the mummification baffle, accelerate the mud mummification dehydration, on the other hand, separate the sludge granules of different moisture contents effectively at the in-process that mud pushed to the discharge gate, the mud that the moisture content is lower turns over the mummification baffle and pushes forward, and the mud that the moisture content is higher can't turn over the baffle and update the contact surface of mud and heat source, updates the heat-transfer surface, accelerates the mud mummification dehydration.
According to the sludge auxiliary drying device, the sludge is pushed and granulated in the vibration process, the transmission devices such as a rotating shaft, a paddle, a shifting piece and the like are omitted, the structure is simple and easy to operate, and the problems of blockage, material blockage and the like are effectively solved; the sludge is dried and pushed by vibration, so that equipment abrasion is avoided, the service life is long, large-scale turnover of sludge particles is avoided in the drying process, and dust raising is avoided; due to the design of the baffle plate, the sludge can move forwards in a hurdle type manner, sludge particles are assisted to roll and break, the heat exchange surface of the sludge particles is automatically updated in the hurdle type process, the drying effect is improved, and the drying efficiency is improved.
With continued reference to fig. 1, the sludge-assisted drying apparatus according to the present invention further comprises a damping device 5 disposed below the cavity 1 for adjusting the strength of the vibration device. Through adjusting vibrating device's vibration intensity can change the size of vibrating device to the normal force and the tangential force that mud produced, the speed of adjustment propelling movement mud, and damping device is used for making the quick playback of the cavity of vibration simultaneously to make it steadily get into next vibration cycle, promote the efficiency of supplementary mummification device of mud.
Illustratively, the damping means 5 comprise damping springs disposed below said chamber 1 close to the inlet orifice 11 and close to the outlet orifice 12.
Exemplarily, according to the utility model discloses a supplementary mummification device of mud still includes damping spring adjusting device for adjust damping spring's height, thereby the adjustment the inclination of cavity. By adjusting the inclination angle of the cavity, the speed of pushing the sludge by vibration and the size of the force of collision of the sludge and the drying baffle can be adjusted, so that the particle size of the sludge in the process of pushing the sludge to the discharge port is adjusted, and the moisture content of the dried sludge and the efficiency of the dried sludge are further adjusted. Illustratively, the damping spring adjusting device comprises a bolt and the like which are arranged on the spring base and used for adjusting the lifting height of the spring base. It should be understood that the damping spring adjusting device may be any device known to those skilled in the art that can adjust the height of the damping spring, and is not limited herein.
Continuing to refer to fig. 1, the drying baffle of the sludge auxiliary drying device according to the present invention is exemplarily described, as shown in fig. 1, a plurality of drying baffles 4 are disposed in the cavity 1 and arranged along the sludge pushing direction. Set up polylith mummification baffle, make mud push the in-process of discharge gate at the vibration through multistage separation, collision, further promoted the granularity of mud after drying, breakage, granulation, promoted the specific surface area of mud propelling movement in-process simultaneously to increased mud and heat transfer device's area of contact, promoted the efficiency of heat transfer, promoted the sludge drying's efficiency.
Illustratively, with continued reference to fig. 1, the drying baffle 4 has a ramp surface extending upwardly along the sludge pushing direction. The drying baffle is arranged to have a slope-shaped surface extending upwards along the sludge pushing direction, so that sludge is refined and dried completely to cross the drying baffle in the forward pushing process, thick and incompletely dried sludge stays on the slope-shaped surface, sludge with high humidity or large granularity falls back to the bottom of the original cavity to be dried continuously, the slope-shaped surface is used for refining the separation of the sludge, and the sludge crushing and granulating efficiency and the sludge drying efficiency are further improved.
Exemplarily, the sludge auxiliary drying device according to the utility model also comprises a drying baffle adjusting device for adjusting the height and/or position of the baffle. And adjusting the height and/or position of the baffle by adopting a drying baffle adjusting device. Through the regulation to baffle position and height, further promoted the efficiency of mud breakage, granulation and the efficiency of sludge drying. Illustratively, the drying baffle adjusting device comprises a liftable baffle.
To sum up, according to the utility model discloses a sludge auxiliary drying device adopts vibrating device to vibrate the propelling movement to mud, in-process at propelling movement mud is broken and is refined mud, the specific surface area of mud has effectively been increased, the area of contact of mud with the heat source has been promoted, drying efficiency has been promoted, and simultaneously, set up the mummification baffle in the cavity, make mud at the collision, the in-process of overturning the mummification baffle realizes that mud is broken and the granulation on the one hand, sludge drying dehydration accelerates, on the other hand, in-process at mud to discharge gate propelling movement is separately the sludge granules of different moisture contents effectively, the mummification baffle that the mud that the moisture content is lower overturns forward the propelling movement, the higher mud of moisture content can't overturn the baffle and update the contact surface of mud and heat source, update the heat-transfer surface, sludge.
Meanwhile, the sludge is pushed and granulated in the vibration process, transmission devices such as a rotating shaft, a paddle, a stirring sheet and the like are omitted, the structure is simple, the operation is easy, and the problems of blockage, material blockage and the like are effectively solved; the sludge is dried and pushed by vibration, so that equipment abrasion is avoided, the service life is long, large-scale turnover of sludge particles is avoided in the drying process, and dust raising is avoided; due to the design of the baffle plate, the sludge can move forwards in a hurdle type manner, sludge particles are assisted to roll and break, the heat exchange surface of the sludge particles is automatically updated in the hurdle type process, the drying effect is improved, and the drying efficiency is improved.
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 (10)
1. A sludge auxiliary drying device is characterized by comprising:
the sludge treatment device comprises a cavity, a sludge treatment device and a sludge treatment device, wherein a feed inlet and a discharge outlet are respectively arranged at two ends of the cavity, and sludge enters the cavity from the feed inlet and is discharged from the discharge outlet;
the heat source supply device is used for providing a heat source, and the heat source exchanges heat with the sludge in the cavity so as to dry the sludge;
a vibrating device for vibrating the sludge during the drying process of the sludge to push the sludge to the discharge port;
the drying baffle is arranged at the bottom of the cavity and used for blocking part of the sludge in the process of pushing the sludge to the discharge hole.
2. The sludge auxiliary drying device as claimed in claim 1, further comprising a shock absorbing device disposed below the chamber for adjusting the vibration intensity of the vibration device.
3. The sludge-assisted drying apparatus of claim 2, wherein the shock absorbing device comprises a shock absorbing spring.
4. The sludge auxiliary drying device as claimed in claim 3, further comprising a damping spring adjusting device for adjusting the height of the damping spring so as to adjust the inclination angle of the cavity.
5. The sludge auxiliary drying device as claimed in claim 1, wherein the drying baffle has a sloping surface extending upward along the pushing direction of the sludge.
6. The sludge auxiliary drying device as claimed in claim 1, which comprises a plurality of drying baffles arranged along the pushing direction of the sludge.
7. The sludge auxiliary drying device of claim 1, further comprising a drying baffle adjusting device for adjusting the height and/or position of the baffle.
8. The sludge-assisted drying device of claim 1, wherein the heat source is provided as hot water.
9. The sludge auxiliary drying device as claimed in claim 1, wherein the heat source supply device comprises a water jacket interlayer arranged at the bottom of the cavity.
10. The sludge-assisted drying device of claim 1, wherein the vibration device is configured as a vibration motor that intermittently vibrates the chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920284824.4U CN210030382U (en) | 2019-03-05 | 2019-03-05 | Sludge auxiliary drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920284824.4U CN210030382U (en) | 2019-03-05 | 2019-03-05 | Sludge auxiliary drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210030382U true CN210030382U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920284824.4U Active CN210030382U (en) | 2019-03-05 | 2019-03-05 | Sludge auxiliary drying device |
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| Country | Link |
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| CN (1) | CN210030382U (en) |
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- 2019-03-05 CN CN201920284824.4U patent/CN210030382U/en active Active
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