CN209957625U - Automatic feeding device for sludge resource utilization and sludge resource utilization system - Google Patents
Automatic feeding device for sludge resource utilization and sludge resource utilization system Download PDFInfo
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- CN209957625U CN209957625U CN201822137958.1U CN201822137958U CN209957625U CN 209957625 U CN209957625 U CN 209957625U CN 201822137958 U CN201822137958 U CN 201822137958U CN 209957625 U CN209957625 U CN 209957625U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The utility model discloses an automatic feeding device for sludge resource utilization, which adopts a through shaft large-span oblique screw feeder and a horizontal screw feeder combined stirring device, a fixed support and the like, realizes the full-automatic unmanned control operation of sludge feeding of sludge resource process equipment, lightens the labor intensity of transportation work, improves the working efficiency, and has the advantages of simple structure, small cross section area, good sealing property, simple and convenient operation, easy maintenance, good stability and the like; the technical scheme can solve the problem of conveying sludge in the deep dehydration section and the energy-saving drying section of the sludge recycling process, the energy-saving drying section and the high-efficiency pyrolysis section, realizes the automatic control of the process material conveying of the whole system, and reduces manual participation. The utility model also provides an use above-mentioned automatic feeding's mud utilization system as a resource.
Description
Technical Field
The utility model relates to a mud utilization automatic feeding, concretely relates to can realize that mud utilization degree of depth dehydration section and energy-conserving mummification section, energy-conserving mummification section and the autoloading and the transportation of high-efficient pyrolysis section mud realize defeated automatic auger delivery stirring combined system of material.
Background
In recent years, with the increasing level of urbanization in China, the construction of sewage treatment facilities is rapidly developed, but the excess sludge generated after sewage treatment is increased. Because the sludge contains a large amount of harmful pathogenic bacteria, parasitic ova, heavy metals and the like, if the sludge is not treated properly, serious secondary pollution is brought to the environment. According to statistics, the amount of sludge generated by sewage treatment plants in China cities and towns is more than 5000 ten thousand tons/year as of 2017, and 70 percent of sludge is not properly treated. The random outward transportation, simple landfill or stacking of a large amount of wet sludge leads to that many cities are enclosed by the toxic sludge, and the social problems caused by the toxic sludge are increasingly prominent. At present, sludge treatment facilities all over the country are not sound, and the treatment level of the established facilities is not uniform. In some areas, sludge is directly dewatered and dried and then composted or buried, pollutants, pathogens and heavy metals are not treated, so that the potential hazards of huge ecological pollution damage are caused, and accidents such as explosion and the like can occur in the process of transportation and landfill.
In 2015, 2 months, the State academy promulgated action plan for preventing and treating water pollution (abbreviated as 'Water Ten'), and the file requirements are as follows: and promoting sludge treatment and disposal. Sludge generated by the sewage treatment facility is subjected to stabilization, harmless and recycling treatment, and sludge which does not reach the standard in the treatment is forbidden to enter cultivated land. Illegal sludge stacking points are uniformly banned. The existing sludge treatment and disposal facilities basically complete standard-reaching transformation before 2017, and the harmless treatment and disposal rate of the municipal sludge of grade and above reaches more than 90% before 2020. (participation of development and improvement committee, department of industry and informatization, department of environmental protection, department of agriculture, etc. "). Therefore, the sludge treatment and disposal task is urgent.
In recent years, national issues technical policies on sludge treatment and pollution control in municipal wastewater treatment plants, technical guidelines on sludge treatment and treatment in municipal wastewater treatment plants, and the like have been issued in sequence, and the principle of 'reduction, stabilization, harmlessness and recycling' of sludge treatment and treatment is defined.
Various drawbacks of traditional sludge treatment: the sanitary landfill occupies a large amount of land, and leachate, landfill gas (the main component is methane) and the like generated after the landfill are treated improperly easily cause secondary pollution and safety problems; the sludge incineration volume reduction effect is good, the harmless degree is high, but the equipment investment is large, the energy consumption and the technical requirements of the process are high, and a series of environmental protection problems such as dust, sulfur dioxide, dioxin and the like can be generated. In order to overcome the defects of the traditional sludge treatment, a sludge resource treatment technology of deep dehydration, energy-saving drying and high-efficiency pyrolysis of sludge is adopted.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a mud utilization automatic feeding solves the transport problem of mud resource technology degree of depth dehydration section and energy-conserving mummification section, energy-conserving mummification section and high-efficient pyrolysis section mud, realizes the automatic control of the defeated material of whole system technology, reduces artifical the participation.
The utility model also provides an use above-mentioned mud resource utilization automatic feeding's mud resource utilization system.
In order to achieve the above object, the utility model provides a following technical scheme:
an automatic feeding device for recycling sludge is used for feeding between sludge treatment devices and comprises an oblique spiral feeder and a transverse spiral feeder;
the feeder hopper of slant spiral feeder and first sludge treatment equipment's discharge gate cooperation, the discharge gate of slant spiral feeder with the feeder hopper cooperation of horizontal spiral feeder, the discharge end of horizontal spiral feeder probes into second sludge treatment equipment's feed inlet.
Preferably, the discharge end of the transverse screw feeder extends into the second sludge treatment device, and the length of the discharge end of the transverse screw feeder is 1/8 the length of the second sludge treatment device.
Preferably, the transverse spiral feeder is connected with the second sludge treatment device through a flange, and a sealing ring and a gasket are arranged inside the flange.
Preferably, the first sludge treatment device is a deep dehydration section, and the second sludge treatment device is an energy-saving drying section; or the first sludge treatment device is an energy-saving drying section, and the second sludge treatment device is a high-efficiency pyrolysis section.
Preferably, the first sludge treatment device is a deep dehydration section, and the second sludge treatment device is an energy-saving drying section; mud utilization automatic feeding still includes the agitator, the agitator set up in the feeder hopper of slant spiral feeder.
Preferably, the agitator includes the actuating lever and sets up screw mechanism and puddler on it, the puddler perpendicular to the actuating lever, and the quantity is a plurality of, and is long from top to bottom short.
Preferably, the device further comprises support columns, wherein the support columns support the front part and/or the rear part of the inclined screw feeder and/or the transverse screw feeder.
A sludge resource utilization system comprises a sludge treatment device and also comprises the automatic feeding device for sludge resource utilization.
Preferably, the sludge treatment device comprises a deep dehydration section, an energy-saving drying section and a high-efficiency pyrolysis section;
the deep dehydration section and the energy-saving drying section are connected with the automatic sludge resource utilization feeding device, and the energy-saving drying section and the high-efficiency pyrolysis section are connected with the automatic sludge resource utilization feeding device.
Preferably, the automatic sludge resource utilization feeding device between the deep dehydration section and the energy-saving drying section further comprises a stirrer, and the stirrer is arranged at the feeding hopper of the inclined spiral feeder.
According to the technical scheme, the utility model provides a mud utilization automatic feeding, adopt spiral delivery stirring integrated configuration, by leading to axle large-span slant screw feeder and horizontal screw feeder combination agitating unit, fixed bolster etc. constitute, realized the full-automatic unmanned control operation of mud resource process equipment mud pay-off, alleviateed transportation work intensity of labour, improved work efficiency, have simple structure, the cross-sectional area is little, the leakproofness is good, easy and simple to handle, the maintenance is easy, stability advantage such as good; the technical scheme can solve the problem of conveying sludge in the deep dehydration section and the energy-saving drying section of the sludge recycling process, the energy-saving drying section and the high-efficiency pyrolysis section, realizes the automatic control of the process material conveying of the whole system, and reduces manual participation. The utility model also provides a mud utilization system, owing to adopted above-mentioned mud utilization automatic feeding, consequently it also has corresponding beneficial effect, specifically can refer to preceding explanation, no longer gives unnecessary details here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a process flow chart of sludge resource utilization provided by the embodiment of the present invention;
fig. 2 is a schematic structural view of an automatic feeding device of a deep dehydration section and an energy-saving drying section provided in the embodiment of the present invention;
fig. 3 is a schematic structural view of an automatic feeding device of an energy-saving drying section and a high-efficiency pyrolysis section provided in the embodiment of the present invention.
Wherein 11 is a hopper, 12 is a stirrer, 13 is an oblique screw feeder, 14 is a motor, 15 is a hopper, 16 is a transverse screw feeder, 17 is a support column, and 20 is a drying furnace;
31 is a hopper, 32 is an inclined screw feeder, 33 is a motor, 34 is a hopper, 35 is a transverse screw feeder, 36 is a support column, and 40 is a carbonization furnace.
Detailed Description
According to the specific situation of sludge recycling process equipment, the sludge recycling process equipment aims at solving the sludge conveying problems of a deep dehydration section and an energy-saving drying section of the sludge recycling process, and the energy-saving drying section and a high-efficiency pyrolysis section of the sludge recycling process, realizes the automatic control of the material conveying of the whole system process, reduces the manual participation, and is particularly important to design a full-automatic feeding device capable of realizing the deep dehydration section and the energy-saving drying section, and the energy-saving drying section and the high-efficiency pyrolysis section.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The automatic feeding device for sludge resource utilization provided by the embodiment of the utility model is used for feeding between sludge treatment devices, comprises an oblique spiral feeder and a transverse spiral feeder, and the structure of the automatic feeding device can be shown in figures 2 and 3; the sludge treatment device comprises a first sludge treatment device and a second sludge treatment device;
wherein, the feeder hopper of slant spiral feeder and the cooperation of the discharge gate of first sludge treatment equipment, the discharge gate of slant spiral feeder and the cooperation of the feeder hopper of horizontal spiral feeder, the discharge end of horizontal spiral feeder probes into the feed inlet of second sludge treatment equipment.
According to the technical scheme, the embodiment of the utility model provides a mud utilization automatic feeding, according to the structural feature of sludge treatment equipment, slant screw feeder and horizontal screw feeder that the design is successively cooperated have realized the full-automatic unmanned control operation of mud resource process equipment mud pay-off, have alleviateed transportation work intensity of labour, have improved work efficiency, have simple structure, the cross-sectional area is little, the leakproofness is good, easy and simple to handle, easy maintenance, stability advantage such as good; the technical scheme can solve the problem of conveying sludge in the deep dehydration section and the energy-saving drying section of the sludge recycling process, the energy-saving drying section and the high-efficiency pyrolysis section, realizes the automatic control of the process material conveying of the whole system, and reduces manual participation.
According to the structural characteristics of the feeding hole of the sludge treatment device, the discharging end of the transverse spiral feeder in the scheme is inserted into the feeding hole of the second sludge treatment device so as to realize effective conveying matching. Preferably, the discharge end of the transverse screw feeder extends into 1/8 the length of the second sludge treatment device, so as to achieve better conveying effect.
In order to further optimize the technical scheme, the transverse spiral feeder is connected with the second sludge treatment device through a flange, and a sealing ring and a gasket are arranged inside the flange, so that the sealing performance of the system is kept, and the usability is ensured.
In this embodiment, the first sludge treatment device is a deep dehydration section, and the second sludge treatment device is an energy-saving drying section, and the structure thereof can be shown in fig. 2; or, the first sludge treatment device is an energy-saving drying section, and the second sludge treatment device is a high-efficiency pyrolysis section, and the structure of the energy-saving drying section and the structure of the high-efficiency pyrolysis section can be shown in fig. 3. The scheme can solve the feeding problem of sludge in different process sections.
As shown in fig. 2, the first sludge treatment device is a deep dehydration section, and the second sludge treatment device is an energy-saving drying section, and comprises a drying furnace 20; the automatic feeding device for sludge resource utilization further comprises a stirrer 12, wherein the stirrer 12 is arranged at a feed hopper 11 of the inclined spiral feeder to better complete large-angle conveying, and the problems that the shape of a mud cake is uneven after deep dehydration of sludge and the like are solved.
Specifically, the stirrer 12 includes a driving rod, and a screw mechanism and stirring rods provided thereon, the stirring rods being perpendicular to the driving rod, and the number of the stirring rods being a plurality of, long at the top and short at the bottom. Its structure can refer to fig. 2 and show, and agitator 12 is furnished with vertical metal spiral winding, and the material is stainless steel to several horizontal stainless steel metal bars that differ in length (according to the vertical depth decision of agitator, the upper-to-upper length is short down, and is perpendicular with vertical stirring rod) of welding are vertical and horizontal production shearing force to the mud after the filter-pressing that gets into hopper 11, have solved mud cake shape inequality scheduling problem after the mud degree of depth dehydration.
The automatic feeding device for sludge resource utilization provided by the embodiment of the utility model also comprises a support column to ensure the stability of the conveying structure; the support column supports the front part and/or the rear part of the inclined screw feeder and/or the transverse screw feeder, and the support position avoids the middle part because the acceptance of the middle part is the largest so as to avoid adverse effects on the middle part structure.
The embodiment of the utility model provides a still provide a mud utilization system, owing to adopted above-mentioned mud utilization automatic feeding, consequently it also has corresponding beneficial effect, specifically can refer to preceding explanation, no longer gives unnecessary details here.
Specifically, the sludge treatment device comprises a deep dehydration section, an energy-saving drying section and a high-efficiency pyrolysis section, and the structure of the sludge treatment device can be shown in fig. 1, 2 and 3;
a sludge resource utilization automatic feeding device is connected between the deep dehydration section and the energy-saving drying section, and a sludge resource utilization automatic feeding device is connected between the energy-saving drying section and the high-efficiency pyrolysis section, so that the problem of feeding of sludge in different process sections is solved.
The present solution is further described below with reference to specific embodiments:
the utility model discloses a mud utilization automatic feeding, including auger delivery stirring combined system, it includes that the through-shaft slant falls out composition such as degree screw feeder, horizontal screw feeder, metal mixing device, fixed bolster greatly. The spiral feeder comprises a screw rod, a spiral blade, a feeding and discharging port, a driving device (a motor and a speed reducer are integrated) and the like.
The realization process comprises the following steps:
a deep dehydration section and an energy-saving drying section: sludge subjected to deep dehydration is directly conveyed to a feeding hopper 11 of an inclined spiral feeder through a conveying belt, the sludge in the feeding hopper is stirred by a metal stirrer 12 and then enters a feeding hole of the inclined spiral feeder to be 13, the sludge moves forwards along the bottom of the conveyor to be pushed to a discharging hole under the pushing of spiral blades, the sludge directly falls into a feeding bin of a transverse spiral feeder 16 from the discharging hole, the sludge in the feeding bin of the transverse spiral feeder directly enters the transverse spiral feeder from the feeding hole of the transverse spiral feeder under the action of gravity and friction force and is pushed forwards by the spiral blades until the sludge falls into a drying furnace 20 of a corresponding energy-saving drying system.
An energy-saving drying section and an efficient pyrolysis section: the water content of the sludge after energy-saving drying is reduced to 20% -30%, the sludge directly falls into a feeding hopper 31 of an inclined spiral feeder through a discharging port of an energy-saving drying system, the sludge in the feeding hopper enters into the inclined spiral feeder 32 through a feeding port of the inclined spiral feeder under the action of gravity and friction force, the sludge moves forwards along the bottom of a conveyor under the pushing of a spiral blade and is pushed to the discharging port, the sludge directly falls into a feeding bin hopper 34 of a transverse spiral feeder through the discharging port, the sludge in the feeding bin of the transverse spiral feeder directly enters into the transverse spiral feeder 35 through the feeding port of the transverse spiral feeder under the action of gravity and friction force and is pushed forwards through the spiral blade until the sludge falls into a corresponding carbonization furnace 40 of a high-efficiency pyrolysis system.
The system is characterized in that:
1. the sludge resource utilization process mainly comprises a deep dehydration section, an energy-saving drying section and an efficient pyrolysis section, wherein the spiral conveying and stirring combined system is arranged between the deep dehydration section and the energy-saving drying section and between the energy-saving drying section and the efficient pyrolysis section, and is used for solving the problem of sludge feeding of different process sections;
2. in order to better complete large-angle conveying, a metal stirrer is arranged at a feeding hopper of an inclined spiral feeder of a deep dehydration section and an energy-saving drying section, the stirrer is provided with a vertical metal spiral winding made of stainless steel, and a plurality of stainless steel metal rods with different transverse lengths are welded (the stainless steel metal rods are determined according to the vertical depth of the stirrer, are long at the top and short at the bottom and are vertical to the vertical stirring rod), so that shearing force is generated in the vertical direction and the transverse direction on filter-pressed sludge entering the feeding hopper, the problems of uneven shape and the like of a sludge cake after deep dehydration of the sludge are solved, a metal stirrer is not required to be arranged in the feeding hopper of the inclined spiral feeder of the energy-saving drying section and the high-efficiency pyrolysis section, the water content of the sludge is 20-30%, the particles are uniform, the drying operation can;
3. the transverse and oblique screw feeders are both of shaft type and fixed type, the screw conveying adopts a single screw structure and is provided with a whole shaft screw blade, the length of the body of the transverse screw feeder is about 2m, and the length of the body of the oblique screw feeder is about 6 m;
4. the spiral feeding machine can lift sludge with the water content of 60 percent and the water content of 20-30 percent, and the material box and the auger are made of stainless steel;
5. the integral structure of the process equipment and the requirement of the productivity of the spiral feeding machine are comprehensively considered, the working angle of the spiral feeding machine is kept at about 65 degrees, the process belongs to large-span conveying, and the conveying speed and the material property reach conveying balance through multiple experimental checking calculation aiming at the large-span conveying;
6. the transverse spiral feeders arranged for achieving the conveying effect respectively penetrate into the energy-saving drying system and the high-efficiency pyrolysis system and are 8/1 the length of the drying system and the length of the carbonization system respectively, the transverse spiral feeders are connected with the energy-saving drying system and the high-efficiency pyrolysis system through flanges, and sealing rings and gaskets are arranged inside the flanges, so that the sealing performance of the system is kept, and the usability is ensured;
7. the transverse and longitudinal spiral conveying devices are all integrated through shafts, the sealing performance is good, the shell is made of seamless steel pipes, the integrity is good, and the rigidity is good;
8. in order to ensure the stability of the conveying structure, the inclined and transverse spiral feeders are fixed by adopting a bracket, the middle part is maximally accepted, the supporting position avoids the middle part so as to avoid adverse effects on the middle part structure, and the inclined spiral feeder adopts a stainless steel bracket to carry out multi-point support (three points);
9. the environment temperature of the screw feeder is 10-120 ℃; the material temperature is less than 200 ℃;
10. the screw, the charging bucket and the storage bin are in flexible connection, so that the disassembly is easy; the lower end of the charging barrel is provided with a valve and a forward and reverse rotation switch, so that the charging barrel is convenient to clean.
To sum up, the utility model discloses a solve the transport problem of sludge recycling technology degree of depth dehydration section and energy-conserving mummification section, energy-conserving mummification section and high-efficient pyrolysis section mud, a screw conveyer stirring combined system of sludge recycling technology equipment autoloading is disclosed, the device adopts to lead to a large-span slant screw feeder and horizontal screw feeder combination agitating unit, composition such as fixed bolster, the transport problem of sludge recycling technology degree of depth dehydration section and energy-conserving mummification section, energy-conserving mummification section and high-efficient pyrolysis section mud has been realized, and the steam generator has a simple structure, and the cross-sectional area is little, the leakproofness is good, easy and simple to handle, the maintenance is easy, stability advantage such as good.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An automatic feeding device for recycling sludge is characterized by being used for feeding between sludge treatment devices and comprising an oblique spiral feeder and a transverse spiral feeder;
the feeder hopper of slant spiral feeder and first sludge treatment equipment's discharge gate cooperation, the discharge gate of slant spiral feeder with the feeder hopper cooperation of horizontal spiral feeder, the discharge end of horizontal spiral feeder probes into second sludge treatment equipment's feed inlet.
2. The automatic feeding device for sludge resource utilization according to claim 1, wherein the length of the discharge end of the transverse screw feeder extending into the second sludge treatment device is 1/8 the length of the second sludge treatment device.
3. The automatic feeding device for sludge resource utilization according to claim 1, wherein the transverse screw feeder is connected with the second sludge treatment device through a flange, and a sealing ring and a gasket are arranged inside the flange.
4. The automatic feeding device for sludge resource utilization according to claim 1, wherein the first sludge treatment device is a deep dehydration section, and the second sludge treatment device is an energy-saving drying section; or the first sludge treatment device is an energy-saving drying section, and the second sludge treatment device is a high-efficiency pyrolysis section.
5. The automatic feeding device for sludge resource utilization according to claim 1, wherein the first sludge treatment device is a deep dehydration section, and the second sludge treatment device is an energy-saving drying section; mud utilization as a resource automatic feeding still includes agitator (12), agitator (12) set up in slant screw feeder's feeder hopper.
6. The automatic feeding device for sludge resource utilization according to claim 5, wherein the stirrer (12) comprises a driving rod, and a spiral mechanism and stirring rods which are arranged on the driving rod, wherein the stirring rods are perpendicular to the driving rod, are multiple in number and are long at the top and short at the bottom.
7. The automatic feeding device for sludge resource utilization according to any one of claims 1 to 6, further comprising a support column, wherein the support column supports the front part and/or the rear part of the inclined screw feeder and/or the transverse screw feeder.
8. A sludge resource utilization system comprises a sludge treatment device and is characterized by further comprising the automatic sludge resource utilization feeding device according to any one of claims 1 to 7.
9. The sludge resource utilization system of claim 8, wherein the sludge treatment device comprises a deep dehydration section, an energy-saving drying section and an efficient pyrolysis section;
the deep dehydration section and the energy-saving drying section are connected with the automatic sludge resource utilization feeding device, and the energy-saving drying section and the high-efficiency pyrolysis section are connected with the automatic sludge resource utilization feeding device.
10. The sludge resource utilization system of claim 9, wherein the sludge resource utilization automatic feeding device between the deep dehydration section and the energy-saving drying section further comprises a stirrer (12), and the stirrer (12) is arranged at a feed hopper of the inclined spiral feeder.
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| CN201822137958.1U CN209957625U (en) | 2018-12-19 | 2018-12-19 | Automatic feeding device for sludge resource utilization and sludge resource utilization system |
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| CN201822137958.1U CN209957625U (en) | 2018-12-19 | 2018-12-19 | Automatic feeding device for sludge resource utilization and sludge resource utilization system |
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| CN209957625U true CN209957625U (en) | 2020-01-17 |
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