CN210635883U - Energy-saving sludge drying equipment - Google Patents
Energy-saving sludge drying equipment Download PDFInfo
- Publication number
- CN210635883U CN210635883U CN201921439939.2U CN201921439939U CN210635883U CN 210635883 U CN210635883 U CN 210635883U CN 201921439939 U CN201921439939 U CN 201921439939U CN 210635883 U CN210635883 U CN 210635883U
- Authority
- CN
- China
- Prior art keywords
- sludge
- drying box
- aeration
- pipe
- filter cloth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses an energy-conserving sludge drying equipment belongs to sludge drying equipment field, including mud input tube, mummification case, apron, bottom sprag and outlet conduit, the dress is worn in the side of mummification case to the mud input tube, and the top surface at the mummification case is installed to the apron spiro union, and the outlet conduit wears the dress in the lower part outside of bottom sprag, and the bottom sprag links up as an organic whole, its characterized in that with the draw-in groove around the mummification bottom of the case portion: also comprises a filter cloth bag, an aeration device and a solar water circulation heating device. The utility model discloses can normal position mummification mud, solve the problem of the excess sludge treatment difficulty that rural sewage treatment produced, the excess sludge volume that combines rural sewage treatment plant to produce is little, and distributes scattered characteristics, with solar hot water cyclic heating, filter cloth bag micro-filtration and aerobic digestion looks coupling, is fit for handling the excess sludge that rural sewage treatment plant produced, has with low costs concurrently, efficient, the strong advantage of simple and easy universality.
Description
Technical Field
The invention relates to the field of sludge drying equipment, and particularly belongs to energy-saving sludge drying equipment.
Background
With the increase of the attention degree of the rural environmental problems in China, the rural sewage treatment becomes increasingly important, and becomes the key point of the environmental protection work at present and in future. Rural sewage is characterized by wide pollution area, large water quality and water quantity fluctuation, scattered distribution and difficult collection, but good biodegradability of sewage, and is suitable for biological treatment. Various small rural sewage treatment devices based on an activated sludge method and a biofilm method have the advantages of small occupied area, low investment cost and simple operation and maintenance, and become the mainstream process of rural sewage treatment. However, the rural sewage treatment plant inevitably produces excess sludge in the operation process, the excess sludge has high water content, large volume, instability, easy putrefaction and foul smell, and if the treatment and disposal are not good in time, secondary pollution to the surrounding environment is caused. Therefore, how to dispose the excess sludge generated in the rural sewage treatment process is a problem which must be considered. The sludge treatment method in China is divided into a traditional type sludge treatment method and a novel sludge treatment method. The traditional sludge treatment method mainly comprises landfill, composting and the like, and although the traditional sludge treatment method is simple to operate, the traditional sludge treatment method is gradually replaced by a novel sludge treatment method due to the problems of secondary pollution and the like. The novel sludge treatment method comprises a sludge anaerobic digestion method, a supercritical water oxidation method, a high-temperature incineration method and the like. However, the investment and operation costs of the novel sludge treatment method are generally high, and the novel sludge treatment method is difficult to be directly used for treating the residual sludge generated by rural sewage treatment. Therefore, the adoption of the in-situ drying of the sludge is a main trend for solving the problem of treatment of the residual sludge generated by rural sewage.
The invention provides a set of low-cost sludge in-situ drying equipment for coupling solar hot water cyclic heating, filter cloth microfiltration and aerobic digestion by combining the characteristics of small and scattered excess sludge generated by a rural sewage treatment device, so that the excess sludge generated by the rural sewage treatment device is simple, efficient and generalized in treatment.
Disclosure of Invention
The invention provides energy-saving sludge drying equipment, which solves the problems in the background technology through the overall research and development design of a sludge input pipe, a drying box, a cover plate, a bottom support, a water outlet pipeline, a filter cloth bag, an aeration device and a solar water circulation heating device, realizes the coupling of the characteristics of small amount of residual sludge generated by a rural sewage treatment device and scattered distribution, couples the characteristics of solar hot water circulation heating, micro-filtration of a filter cloth bag and aerobic digestion, has the characteristics of low cost, high efficiency and strong simplicity and universality, and solves the problem of the in-situ treatment of the residual sludge by the rural sewage treatment device.
The technical scheme adopted by the invention is as follows:
the utility model provides an energy-conserving sludge drying equipment, includes sludge input pipe, mummification case, apron, bottom sprag and outlet conduit, and the side at the mummification case is worn to adorn by the sludge input pipe, and the top surface at the mummification case is installed to the apron spiro union, and the apron can be followed the junction rotation with the mummification case and opened or closed, and the mummification case passes through the draw-in groove and links up on the bottom sprag, and the outlet conduit wears the lower part outside at the bottom sprag, its characterized in that: the drying box also comprises a filter cloth bag, an aeration device and a solar water circulation heating device, wherein the filter cloth bag is fixedly arranged on the inner side wall surface of the drying box through a hoop with a bolt, the lower part of the drying box is provided with a bearing plate, the whole bearing plate is positioned below the bottom of the filter cloth bag, a small through hole is arranged on the bearing plate, an aeration pipe in the aeration device is arranged below a bearing plate, a heating coil in the solar water circulation heating device is arranged below the bearing plate, the heating coil is positioned below the aeration pipe, a bottom baffle is arranged in the middle area of the inner side of the bottom support, the periphery of the upper surface of the bottom support, the drying box is integrally connected with a clamping groove at the periphery of the bottom of the drying box, an aeration pipe in the aeration device and a heating coil in the solar water circulation heating device are both positioned in an area between a bearing plate at the lower part of the drying box and a bottom baffle in the middle of a bottom support.
Preferably, the aeration device is provided with a blower, a longitudinal connecting hose and an aeration pipe, one end of the longitudinal connecting hose is connected with the blower, the other end of the longitudinal connecting hose enters the drying box from the top or the side surface of the drying box and is connected with the aeration pipe, and at least one aeration through hole is formed in the aeration pipe.
Preferably, in the region between the bottom baffle in the middle of the bearing plate and the bottom support of the drying box lower part, from bottom to top, a ceramsite layer and a heat preservation sand layer are distributed in sequence.
Preferably, the bottom of the bottom support is provided with a slope surface, and the water outlet pipe is arranged on the outer side of the lower part of the lowest area of the slope surface of the bottom support in a penetrating mode.
Preferably, the inclined surface of the bottom support bottom forms an angle of 5 ° with the horizontal plane of the bottom support bottom.
Preferably, the filter cloth bag is made of cotton cloth or corrosion-resistant gauze or corrosion-resistant nylon cloth, and the shape and the size of the filter cloth bag are determined by the shape and the size of the inside of the drying box.
Preferably, the solar water circulation heating device is provided with a solar water heater with a hot water circulation water tank, a connecting pipe, a switch valve and a heating coil, the solar water heater with the hot water circulation water tank is connected with the heating coil through the connecting pipe, and the switch valve is installed on the connecting pipe.
Preferably, the outer surface of the connecting pipe is wrapped with heat insulation cotton, and the heating coil is provided with a snake-shaped reciprocating coil pipe.
Compared with the prior art, the invention has the following beneficial effects:
the energy-saving sludge drying equipment is manufactured by the overall research and development design of the sludge input pipe, the drying box, the cover plate, the bottom support, the water outlet pipeline, the filter cloth bag, the aeration device and the solar water circulation heating device. The invention can realize in-situ sludge drying, solves the problem of difficult treatment of excess sludge generated by rural sewage treatment, couples solar hot water circulation heating, filter cloth bag microfiltration and aerobic digestion by combining the characteristics of small amount and scattered distribution of the excess sludge generated by a rural sewage treatment device, is suitable for treating the excess sludge generated by the rural sewage treatment device, and has the advantages of low cost, high efficiency, simplicity and strong universality.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a vertical and longitudinal sectional view of the transverse central plane of the drying box, the cover plate, the bottom support and the filter cloth bag according to the present invention;
FIG. 3 is a schematic view of an aeration apparatus according to the present invention;
FIG. 4 is a schematic view of a solar water circulation heating apparatus according to the present invention;
FIG. 5 is a top view of a bottom shield of the bottom support of the present invention;
FIG. 6 is a graph showing the relationship between the sludge drying time and the water content of sludge, which is measured and treated when the device of the present invention is used for sludge drying experiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in further detail with reference to examples and specific embodiments.
Referring to the attached drawings, the energy-saving sludge drying equipment comprises a sludge input pipe (5), a drying box (1), a cover plate (4), a bottom support (7) and a water outlet pipeline (6), wherein the sludge input pipe (5) penetrates through the side face of the drying box (1), the cover plate (4) is installed on the top face of the drying box (1) in a threaded mode, the cover plate (4) can be opened or closed in a rotating mode along the joint of the cover plate and the drying box (1), the drying box (1) is connected to the top face of the bottom support (7) through a clamping groove, and the water outlet pipeline (6) penetrates through the outer side of the lower portion of the bottom support (7), and is characterized in that: the drying device is characterized by further comprising a filter cloth bag (8), an aeration device (3) and a solar water circulation heating device (2), wherein the filter cloth bag (8) is fixedly installed on the inner side wall surface of the drying box (1) through a clamp with bolts, a bearing plate (101) is arranged at the lower part of the drying box (1), the whole bearing plate (101) is located below the bottom of the filter cloth bag (8), a small through hole is formed in the bearing plate (101), an aeration pipe (303) in the aeration device (3) is installed below the bearing plate (101), a heating coil (204) in the solar water circulation heating device (2) is installed below the bearing plate (101), the heating coil (204) is located below the aeration pipe (303), a bottom baffle (701) is arranged in the middle area of the inner side of the bottom support (7), the periphery of the upper part of the bottom support (7) is integrally connected with a clamping groove in the periphery of the bottom of the drying box (1), an aeration pipe (303) in the aeration device (3) and a heating coil (204) in the solar water circulation heating device (2) are both positioned in an area between a bearing plate (101) at the lower part of the drying box (1) and a bottom baffle (701) in the middle of the bottom support (7).
Preferably, the aeration device (3) is provided with a blower (301), a longitudinal connecting hose (302) and an aeration pipe (303), one end of the longitudinal connecting hose (302) is connected with the blower (301), the other end of the longitudinal connecting hose (302) enters the drying box (1) from the top or the side of the drying box (1) and is connected with the aeration pipe (303), and at least one aeration through hole is formed in the aeration pipe (303).
Preferably, in the area between the bearing plate (101) at the lower part of the drying box (1) and the bottom baffle (701) in the middle of the bottom support (7), a ceramic grain layer (9) and a heat-insulating sand layer (10) are sequentially distributed from bottom to top.
Preferably, the bottom of the bottom support (7) is provided with a slope surface (702), and the water outlet pipe (6) is arranged at the lower outer side of the lowest region of the slope surface (702) of the bottom support (7) in a penetrating way.
Preferably, the inclined surface (702) at the bottom of the bottom support (7) forms an angle of 5 degrees with the horizontal plane at the bottom of the bottom support (7).
Preferably, the filter cloth bag (8) is made of cotton cloth or corrosion-resistant gauze or corrosion-resistant nylon cloth, and the shape and the size of the filter cloth bag (8) are determined by the shape and the size of the inside of the drying box (1).
Preferably, the solar water circulation heating device (2) is provided with a solar water heater (201) with a hot water circulation water tank, a connecting pipe (203), a switch valve (202) and a heating coil (204), the solar water heater (201) with the hot water circulation water tank is connected with the heating coil (204) through the connecting pipe (203), and the switch valve (202) is installed on the connecting pipe (203).
Preferably, the outer surface of the connecting pipe (203) is wrapped with insulation cotton, and the heating coil (204) is provided with a snake-shaped reciprocating coil.
When the sludge drying device is used, a sludge mixture to be dried enters a filter cloth bag (8) on the inner side of a drying box (1) through a sludge input pipeline (5), water in the sludge mixture to be dried in the filter cloth bag (8) seeps out from the filter cloth bag (8), the seeped water flows out from a slope surface (702) of a bottom support (7) through a small through hole on a bearing plate (101), a ceramic particle layer (9), a heat-insulating sand layer (10) and a bottom baffle plate (701), and then flows out through a water outlet pipeline (6) arranged at the outer lower part of the lowest region of the slope surface (702) of the bottom support (7) in a penetrating mode; meanwhile, a switch valve (202) in the solar water circulation heating device (2) is opened, hot water in a solar water heater (201) with a hot water circulation water tank enters a heating coil (204) through a connecting pipe (203), the heat of the hot water is dissipated through the heating coil (204), and a sludge mixture to be dried in a filter cloth bag (8) is heated; simultaneously, a blower (301) in the aeration device is started, the blower (301) works, air flow is blown out of an aeration through hole on the aeration pipe (303) through a longitudinal connecting hose (302) to the aeration pipe (303), and then the air flow is blown out of the aeration through hole on the aeration pipe (303) to disturb the sludge mixture to be dried, so that the filtering performance of a filter cloth bag (8) is improved, the aerobic digestion of the sludge mixture to be dried is promoted, and the drying rate of the sludge mixture to be dried is increased; sludge to be dried in the filter cloth bag (8) is filtered by the filter cloth bag (8) to remove water, heated by the solar water circulation heating device (2), and subjected to aeration disturbance by the aeration device (3) to be dried; closing an on-off valve (202) in the solar water circulation heating device (2), and simultaneously closing a blower (301) in the aeration device (3); the cover plate is rotated to open, the clamp with the bolt is loosened to take out the filter cloth bag (8) and the dried sludge for centralized treatment; the filter cloth bag (8) is replaced, the filter cloth bag (8) is fixedly installed on the inner side wall surface of the drying box (1) through a clamp with a bolt, the closed cover plate (4) is rotated, and the sludge drying is completed in one cycle.
When the energy-saving sludge drying equipment is used for performing sludge drying and actual measurement, the concrete operation steps are as follows:
the method comprises the following steps: injecting 10L of residual sludge of a sewage treatment plant with the sludge concentration of 7.21g TSS/L (total suspended solids in each liter of sewage is 7.21 g) into a filter cloth bag (8) on the inner side of a drying box (1) with the effective volume of 20L through a sludge input pipeline (5), wherein water in a sludge mixture to be dried in the filter cloth bag (8) seeps out from the filter cloth bag (8), and the seeped water flows out from a slope surface (702) of a bottom support (7) through a small through hole on a bearing plate (101), a ceramic particle layer (9), a heat-preservation sand layer (10) and a bottom baffle plate (701) and flows out through a lower outer water outlet pipeline (6) which is arranged at the lowest region of the slope surface (702) of the bottom support (7) in a penetrating manner;
step two: opening a switch valve (202) in a solar water circulation heating device (2), enabling hot water with the temperature of 70 ℃ in a solar water heater (201) with a hot water circulation water tank to enter a heating coil (204) through a connecting pipe (203) at the flow rate of 54mL/min, and radiating the heat of the hot water through the heating coil (204) to heat and dry residual sludge in a filter cloth bag (8);
step three: starting a blower (301) in the aeration device, wherein the blower (301) works, and the airflow has the flow rate of 0.5m3And/min. The sludge is longitudinally connected with the aeration pipe (303) through the hose (302) and then blown out from the aeration through hole on the aeration pipe (303), so that the residual sludge is disturbed, the filtering performance of the filter cloth bag (8) is improved, the aerobic digestion of the residual sludge is promoted, and the drying rate of the residual sludge is accelerated;
step four: taking a sludge sample layer by layer every day to measure the water content of the sludge and the sludge drying efficiency, and injecting 10L of excess sludge into the sludge drying device again when the water content of the sludge is reduced to 50 percent to continuously accumulate and dry the excess sludge;
step five: observing and measuring the drying efficiency of the sludge drying device, the sludge drying time and the relation of the sludge moisture content according to the fourth step (as shown in figure 5);
step six: the dried sludge is shaped like a cake, the cover plate (4) is rotated to be opened, the clamp with the bolt is loosened to take out the filter cloth bag (8) together with the dried cake-shaped sludge, and the sludge is treated in a centralized way.
The invention can realize in-situ sludge drying, solves the problem of difficult treatment of excess sludge generated by rural sewage treatment, couples solar hot water circulation heating, filter cloth bag microfiltration and aerobic digestion by combining the characteristics of small amount and scattered distribution of the excess sludge generated by a rural sewage treatment device, is suitable for treating the excess sludge generated by the rural sewage treatment device, and has the advantages of low cost, high efficiency, simplicity and strong universality. Is suitable for being widely applied in town sewage treatment plants or matched with rural sewage treatment devices.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (8)
1. The utility model provides an energy-conserving sludge drying equipment, includes sludge input pipe, mummification case, apron, bottom sprag and outlet conduit, and the side at the mummification case is worn to adorn by the sludge input pipe, and the top surface at the mummification case is installed to the apron spiro union, and the apron can be followed the junction rotation with the mummification case and opened or closed, and the mummification case passes through the draw-in groove and links up on the bottom sprag, and the outlet conduit wears the lower part outside at the bottom sprag, its characterized in that: the drying box also comprises a filter cloth bag, an aeration device and a solar water circulation heating device, wherein the filter cloth bag is fixedly arranged on the inner side wall surface of the drying box through a hoop with a bolt, the lower part of the drying box is provided with a bearing plate, the whole bearing plate is positioned below the bottom of the filter cloth bag, a small through hole is arranged on the bearing plate, an aeration pipe in the aeration device is arranged below a bearing plate, a heating coil in the solar water circulation heating device is arranged below the bearing plate, the heating coil is positioned below the aeration pipe, a bottom baffle is arranged in the middle area of the inner side of the bottom support, the periphery of the upper surface of the bottom support, the drying box is integrally connected with a clamping groove at the periphery of the bottom of the drying box, an aeration pipe in the aeration device and a heating coil in the solar water circulation heating device are both positioned in an area between a bearing plate at the lower part of the drying box and a bottom baffle in the middle of a bottom support.
2. The energy-saving sludge drying equipment according to claim 1, wherein the aeration device comprises a blower, a longitudinal connecting hose and an aeration pipe, one end of the longitudinal connecting hose is connected with the blower, the other end of the longitudinal connecting hose enters the drying box from the top or the side of the drying box and is connected with the aeration pipe, and at least one aeration through hole is arranged on the aeration pipe.
3. The energy-saving sludge drying equipment according to claim 1, wherein a ceramsite layer and a heat-insulating sand layer are sequentially distributed in an area between a bearing plate at the lower part of the drying box and a bottom baffle plate in the middle of the bottom support from bottom to top.
4. The energy-saving sludge drying equipment as claimed in any one of claims 1 to 3, wherein the bottom of the bottom support has a slope, and the water outlet pipe is installed through the outer side of the lower part of the lowest region of the slope of the bottom support.
5. The energy-saving sludge drying equipment as claimed in claim 4, wherein the inclined plane of the bottom support forms an angle of 5 ° with the horizontal plane of the bottom support.
6. The energy-saving sludge drying equipment as claimed in claim 1, wherein the filter cloth bag is made of cotton cloth or corrosion-resistant gauze or corrosion-resistant nylon cloth, and the shape and size of the filter cloth bag are determined by the shape and size of the inside of the drying box.
7. The energy-saving sludge drying equipment as claimed in claim 1, wherein the solar water circulation heating device has a solar water heater with a hot water circulation tank, a connecting pipe, a switch valve and a heating coil, the solar water heater with the hot water circulation tank is connected with the heating coil through the connecting pipe, and the switch valve is installed on the connecting pipe.
8. The energy-saving sludge drying equipment as claimed in claim 7, wherein the outer surface of the connecting pipe is wrapped with heat insulation cotton, and the heating coil has a serpentine reciprocating coil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921439939.2U CN210635883U (en) | 2019-09-02 | 2019-09-02 | Energy-saving sludge drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921439939.2U CN210635883U (en) | 2019-09-02 | 2019-09-02 | Energy-saving sludge drying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210635883U true CN210635883U (en) | 2020-05-29 |
Family
ID=70793233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921439939.2U Active CN210635883U (en) | 2019-09-02 | 2019-09-02 | Energy-saving sludge drying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210635883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451765A (en) * | 2019-09-02 | 2019-11-15 | 安徽舜禹水务股份有限公司 | A kind of energy-saving sludge drying equipment |
-
2019
- 2019-09-02 CN CN201921439939.2U patent/CN210635883U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451765A (en) * | 2019-09-02 | 2019-11-15 | 安徽舜禹水务股份有限公司 | A kind of energy-saving sludge drying equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021189742A1 (en) | Horizontal aerobic fermentation reactor and waste heat utilization water removal system | |
| CN210635883U (en) | Energy-saving sludge drying equipment | |
| CN206094974U (en) | Waste water waste heat recovery device | |
| CN105120996B (en) | Solar energy steam pressure equipment | |
| CN204911527U (en) | Energy -saving mud of sled dress formula base adsorbent preparation facilities | |
| CN206927781U (en) | A kind of differential sludge drier | |
| CN206291686U (en) | A kind of sheet material drying unit | |
| CN204644085U (en) | A kind of sludge treating system | |
| CN107555762A (en) | A kind of flyash replaces the method and device of Lime And Sewage Sludge dehydration | |
| CN109387069A (en) | A kind of industry dewatered drying production line | |
| CN110451765A (en) | A kind of energy-saving sludge drying equipment | |
| CN207294559U (en) | A kind of energy-saving and environment-friendly sludge treatment equipment | |
| CN206157011U (en) | City domestic sewage excess sludge mummification device | |
| CN211394454U (en) | Fermentation and drying integrated device | |
| CN208465599U (en) | A kind of emission-control equipment | |
| CN209352747U (en) | Anaerobic sludge digestion processing unit | |
| CN209039155U (en) | A kind of anaerobic reactor | |
| CN207210235U (en) | Steam-type sludge drying mechanism | |
| CN113405391A (en) | Chemical industry knockout tower top of tower vapour waste heat utilization equipment | |
| CN206735978U (en) | A kind of rural area integrated sewage treating apparatus | |
| CN212673695U (en) | Fodder drying equipment | |
| CN218811510U (en) | Water-saving bamboo carbonization equipment | |
| CN205596911U (en) | High -efficient circulation breeding device | |
| CN219259937U (en) | Biomass biogas purification system | |
| CN220665153U (en) | Sludge drying system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 230000 No.8 Huainan North Road, Shuangfeng Economic Development Zone, Changfeng County, Hefei City, Anhui Province Patentee after: ANHUI SHUNYU WATER AFFAIRS Co.,Ltd. Address before: 230000 Jin Jiang Road, Changfeng Shuangfeng Economic Development Zone, Hefei, Anhui, 32 Patentee before: ANHUI SHUNYU WATER AFFAIRS Co.,Ltd. |