CN112484054A - Sludge incineration waste heat recovery device - Google Patents
Sludge incineration waste heat recovery device Download PDFInfo
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- CN112484054A CN112484054A CN202011223464.0A CN202011223464A CN112484054A CN 112484054 A CN112484054 A CN 112484054A CN 202011223464 A CN202011223464 A CN 202011223464A CN 112484054 A CN112484054 A CN 112484054A
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- heating pipe
- heat absorption
- pipe
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- 239000010802 sludge Substances 0.000 title claims abstract description 68
- 239000002918 waste heat Substances 0.000 title claims abstract description 21
- 238000011084 recovery Methods 0.000 title claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 94
- 238000010521 absorption reaction Methods 0.000 claims abstract description 68
- 238000009833 condensation Methods 0.000 claims description 18
- 230000005494 condensation Effects 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000010865 sewage Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001052560 Thallis Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/12—Sludge, slurries or mixtures of liquids
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a sludge incineration waste heat recovery device which comprises an incinerator, wherein a first-stage condensing tank, a second-stage condensing tank and a third-stage condensing tank are sequentially arranged on the right side of the incinerator, a first-stage heat absorption pipe is installed in the first-stage condensing tank, a second-stage heat absorption pipe is installed in the second-stage condensing tank, a third-stage heat absorption pipe is installed in the third-stage condensing tank, a first-stage preheating tank is arranged above the left end of a sludge inlet, a second-stage preheating tank is arranged above the first-stage preheating tank, a third-stage preheating tank is arranged at the upper end of the second-stage preheating tank, a first-stage heating pipe is installed in the inner wall of the first-stage preheating tank, a second-stage heating pipe is installed in the inner wall. The multistage condensing tank is arranged behind the air outlet of the incinerator, so that the sludge is heated in a grading manner by utilizing the heat in the high-temperature steam discharged from the incinerator, and the sludge incineration waste heat is recycled.
Description
Technical Field
The invention relates to sludge treatment equipment, in particular to a sludge incineration waste heat recovery device.
Background
The sludge is a product after sewage treatment, and is an extremely complex heterogeneous body consisting of organic fragments, bacterial thalli, inorganic particles, colloids and the like, the sludge is mainly generated in sewage and cooling water sedimentation tanks of sewage treatment plants, power plants and the like at present, along with the continuous acceleration of the urbanization process in China, the urban scale and the water consumption are continuously improved, the sewage and the sludge to be treated are also continuously increased, and the sludge needs to be properly treated after being generated because the sludge has high water content (more than 90 percent), high organic matter content and easy decomposition and stink generation, otherwise, the sludge can pollute the surrounding air and water.
At present, the most common mode of sludge treatment is to burn sludge firstly, evaporate moisture in the sludge, burn and inactivate organic debris and bacterial thallus, and finally bury the burned sludge residue, and because the water content in the sludge is too large, a large amount of energy is needed to evaporate the moisture when burning, and various sludge burning devices directly discharge the evaporated high-temperature steam into the air, and the heat in the high-temperature steam is not recycled, so that a large amount of energy is wasted.
Disclosure of Invention
The invention aims to provide a sludge incineration waste heat recovery device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a sludge incineration waste heat recovery device comprises an incinerator, wherein a sludge inlet is formed in the lower portion of the left side of the incinerator, a first-stage condensing tank, a second-stage condensing tank and a third-stage condensing tank are sequentially arranged on the right side of the incinerator, a first-stage heat absorption pipe is installed in the first-stage condensing tank, a second-stage heat absorption pipe is installed in the second-stage condensing tank, a third-stage heat absorption pipe is installed in the third-stage condensing tank, the upper ends of the first-stage heat absorption pipe, the second-stage heat absorption pipe and the third-stage heat absorption pipe are inlets of heat conduction media, the lower ends of the first-stage heat absorption pipe, the second-stage heat absorption pipe and the third-stage heat absorption pipe are outlets of the heat conduction media, a first-stage preheating tank is arranged above the left end of the sludge inlet, a second-stage preheating tank is arranged above the first-stage, temperature sensors are arranged in the first-stage preheating tank, the second-stage preheating tank and the third-stage preheating tank, a first-stage heating pipe is arranged in the inner wall of the first-stage preheating tank, a second-stage heating pipe is arranged in the inner wall of the second-stage preheating tank, and a third-stage heating pipe is arranged in the inner wall of the third-stage preheating tank.
As a further scheme of the invention: the side face of the lower end of the incinerator is provided with two air inlets, the two air inlets are connected with a fan, the two air inlets are arranged at the bottom of the incinerator in a central symmetry mode, the middle of the lower end of the incinerator is provided with a sludge discharge port, and the top of the incinerator is provided with an air outlet.
As a further scheme of the invention: the air inlet at the lower end of the first-stage condensing tank is connected with the air outlet at the upper end of the incinerator through a pipeline, the air inlet at the lower end of the second-stage condensing tank is connected with the air outlet at the upper end of the first-stage condensing tank through a pipeline, the air inlet at the lower end of the third-stage condensing tank is connected with the air outlet at the upper end of the second-stage condensing tank through a pipeline, and the air outlet at the upper end of the third-stage condensing tank is provided with an air filter element.
As a further scheme of the invention: the utility model discloses a three-stage heat absorption device, including one-level condensing jar, one-level heat absorption pipe, second grade condensing jar, third grade.
As a further scheme of the invention: the lower extreme and the mud mouth of advancing of one-level preheater are connected, the lower extreme and the upper end of one-level preheater of second grade preheater are connected, the lower extreme and the upper end of second grade preheater of tertiary preheater are connected.
As a further scheme of the invention: the heating device comprises a primary heating pipe, a primary heat absorption pipe and a secondary heat absorption pipe, wherein the primary heating pipe is spirally embedded in the primary heating tank, two ends of the primary heating pipe penetrate out from the left end and the right end of the primary heating tank respectively, the right end of the primary heating pipe is a heat-conducting medium inlet, the left end of the primary heating pipe is a heat-conducting medium outlet, the right end of the primary heating pipe is connected with the lower end of the primary heat absorption pipe, the left end of the primary heating pipe is connected with the upper end of.
As a further scheme of the invention: the secondary heating pipe is spirally embedded in the secondary preheating tank, two ends of the secondary heating pipe penetrate out of the left end and the right end of the secondary preheating tank respectively, the right end of the secondary heating pipe is a heat-conducting medium inlet, the left end of the secondary heating pipe is a heat-conducting medium outlet, the right end inlet of the secondary heating pipe is connected with the lower end outlet of the secondary heat absorption pipe, the left end outlet of the secondary heating pipe is connected with the upper end inlet of the secondary heat absorption pipe, and a second delivery pump is arranged between the left end outlet of the secondary heating pipe and the upper end inlet of the secondary heat absorption pipe.
As a further scheme of the invention: the three-stage heating pipe is spirally embedded in the three-stage preheating tank, two ends of the three-stage heating pipe penetrate out of the left end and the right end of the three-stage preheating tank respectively, the right end of the three-stage heating pipe is a heat-conducting medium inlet, the left end of the three-stage heating pipe is a heat-conducting medium outlet, the right end inlet of the three-stage heating pipe is connected with the lower end outlet of the three-stage heat absorption pipe, the left end outlet of the three-stage heating pipe is connected with the upper end inlet of the three-stage heat absorption pipe, and a third delivery pump is arranged between the left end outlet of the three-stage.
Compared with the prior art, the invention has the beneficial effects that:
1. the multistage condensing tank is arranged behind the air outlet of the incinerator, the heat absorbing pipe is arranged in the condensing tank, the multistage preheating tank is arranged in front of the sludge inlet of the incinerator, the heating pipe is arranged in the preheating tank, and the heat absorbing pipe in each stage of condensing tank is connected with the heating pipe in the corresponding stage of preheating tank, so that the sludge is heated in a grading manner by utilizing the heat in the high-temperature steam discharged from the incinerator, the recycling of the sludge incineration waste heat is realized, and the utilization rate of energy is improved;
2. through installing temperature sensor in every preheating tank, set up the delivery pump between each grade heating pipe and heat-absorbing pipe, realized carrying out balanced control to the temperature in each grade preheating tank, improve and preheat the effect.
Drawings
Fig. 1 is a left upper view of a three-dimensional structure of a sludge incineration waste heat recovery device.
Fig. 2 is a top right view of a three-dimensional structure of a sludge incineration waste heat recovery device.
Fig. 3 is a lower right view of a three-dimensional structure of a sludge incineration waste heat recovery device.
Fig. 4 is a schematic sectional view of a sludge incineration waste heat recovery device in a front view.
In the figure: 1. an incinerator; 2. a primary preheating tank; 3. a secondary preheating tank; 4. a third-stage preheating tank; 5. a first-stage condensing tank; 6. a second-stage condensation tank; 7. a third-stage condensing tank; 11. a sludge inlet; 12. an air inlet; 13. a fan; 14. a sludge discharge port; 21. a first-stage heating pipe; 31. a secondary heating pipe; 41. a third-stage heating pipe; 42. a mud adding port; 51. a primary heat absorption pipe; 52. a first delivery pump; 53. a first drain port; 61. a secondary heat absorption pipe; 62. a second delivery pump; 63. a second sewage draining outlet; 71. a third stage heat absorption pipe; 72. a third delivery pump; 73. a third sewage draining outlet; 74. an air filter element.
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.
Referring to fig. 1-4, a sludge incineration waste heat recovery device comprises an incinerator 1, a sludge inlet 11 is arranged below the left side of the incinerator 1, preheated sludge enters the incinerator 1 from the sludge inlet 11 to be incinerated, two air inlets 12 are arranged on the side surface of the lower end of the incinerator 1, both the two air inlets 12 are connected with a fan 13, the fan 13 blows air into the incinerator 1, on one hand, oxygen is provided for fuel combustion in the incinerator 1, on the other hand, the air flow speed in the incinerator 1 is increased, evaporation of moisture in the sludge is increased, the incineration efficiency is improved, the two air inlets 12 are arranged in central symmetry at the bottom of the incinerator 1, when the two air inlets 12 blow air simultaneously, a rotating air flow can be formed inside the incinerator 1, so that fuel combustion in the incinerator 1 is more sufficient, and the fuel and sludge are more uniformly mixed, to more abundant burning of mud, the lower extreme middle part of burning furnace 1 is provided with sludge outlet 14, and the sludge residue after burning is discharged through sludge outlet 14, the top of burning furnace 1 is provided with the gas outlet, and the high temperature steam that burns the production discharges through the gas outlet at top.
A first-stage condensing tank 5, a second-stage condensing tank 6 and a third-stage condensing tank 7 are sequentially arranged on the right side of the incinerator 1, air outlets are formed in the middle parts of the upper ends of the first-stage condensing tank 5, the second-stage condensing tank 6 and the third-stage condensing tank 7, air inlets are formed in the middle parts of the lower ends of the first-stage condensing tank 5, the second-stage condensing tank 6 and the third-stage condensing tank 7, an air inlet at the lower end of the first-stage condensing tank 5 is connected with an air outlet at the upper end of the incinerator 1 through a pipeline, an air inlet at the lower end of the second-stage condensing tank 6 is connected with an air outlet at the upper end of the second-stage condensing tank 6, high-temperature steam generated in the incinerator 1 sequentially flows through the first-stage condensing tank 5, the second-stage condensing tank 6 and the third-stage condensing tank 7 and is finally discharged, the filter is used for filtering sludge impurities in high-temperature steam and avoiding the pollution to the environment when the sludge impurities are discharged into the air.
The heat pump type solar water heater is characterized in that a first-stage heat absorption pipe 51 is installed in the first-stage condensation tank 5, two ends of the first-stage heat absorption pipe 51 penetrate out from the upper end and the lower end of the first-stage condensation tank 5 respectively, a first drain 53 is further arranged at the lower end of the first-stage condensation tank 5, water and impurities accumulated in the first-stage condensation tank 5 can be discharged through the first drain 53, a second-stage heat absorption pipe 61 is installed in the second-stage condensation tank 6, two ends of the second-stage heat absorption pipe 61 penetrate out from the upper end and the lower end of the second-stage condensation tank 6 respectively, a second drain 63 is further arranged at the lower end of the second-stage condensation tank 6, water and impurities accumulated in the second-stage condensation tank 6 can be discharged through the second drain 63, a third-stage heat absorption pipe 71 is installed in the third-stage condensation tank 7, two ends of the third-stage heat absorption pipe 71 penetrate out from the, the water and impurities condensed and accumulated in the third-stage condensation tank 7 can be discharged through the third drain outlet 73.
The upper ends of the first-stage heat absorption pipe 51, the second-stage heat absorption pipe 61 and the third-stage heat absorption pipe 71 are inlets of heat conduction media, the lower ends of the first-stage heat absorption pipe 51, the second-stage heat absorption pipe 61 and the third-stage heat absorption pipe 71 are outlets of the heat conduction media, the heat conduction media flow in from the upper ends of the first-stage heat absorption pipe 51, the second-stage heat absorption pipe 61 and the third-stage heat absorption pipe 71 respectively, and flow out from the lower ends of the first-stage heat absorption pipe 51, the second-stage heat absorption pipe 61 and the third-stage heat absorption pipe 71 after absorbing heat in the first-stage condensation tank 5.
A primary preheating tank 2 is arranged above the left end of the sludge inlet 11, the lower end of the primary preheating tank 2 is connected with the sludge inlet 11, a second-stage preheating tank 3 is arranged above the first-stage preheating tank 2, the lower end of the second-stage preheating tank 3 is connected with the upper end of the first-stage preheating tank 2, the upper end of the second-stage preheating tank 3 is provided with a third-stage preheating tank 4, the lower end of the third-stage preheating tank 4 is connected with the upper end of the second-stage preheating tank 3, a sludge adding port 42 is arranged in the middle of the upper end of the third-stage preheating tank 4, sludge is added into the third-stage preheating tank 4 through the sludge adding port 42, preheating in a third-stage preheating tank 4, then entering a second-stage preheating tank 3, further preheating in the second-stage preheating tank 3, entering a first-stage preheating tank 2, finally preheating in the first-stage preheating tank 2, entering an incinerator 1 for incineration, and temperature sensors are arranged in the first-stage preheating tank 2, the second-stage preheating tank 3 and the third-stage preheating tank 4.
The inner wall of the first-stage preheating tank 2 is provided with a first-stage heating pipe 21, the first-stage heating pipe 21 is spirally embedded in the first-stage preheating tank 2, two ends of the first-stage heating pipe 21 respectively penetrate out from the left end and the right end of the first-stage preheating tank 2, the right end of the first-stage heating pipe 21 is a heat-conducting medium inlet, the left end of the first-stage heating pipe 21 is a heat-conducting medium outlet, the right end inlet of the first-stage heating pipe 21 is connected with the lower end outlet of a first-stage heat-absorbing pipe 51, the left end outlet of the first-stage heating pipe 21 is connected with the upper end inlet of the first-stage heat-absorbing pipe 51, a first delivery pump 52 is arranged between the left end outlet of the first-stage heating pipe 21 and the upper end inlet of the first-stage heat-absorbing pipe 51, the first delivery pump 52 provides flowing power for, the heat-conducting medium flows into the primary heat-absorbing pipe 51 to absorb heat in the high-temperature steam, and flows into the primary heating pipe 21 to release the heat to heat the sludge in the primary preheating tank 2.
The inner wall of the secondary preheating tank 3 is provided with a secondary heating pipe 31, the secondary heating pipe 31 is spirally embedded in the secondary preheating tank 3, two ends of the secondary heating pipe 31 respectively penetrate out from the left end and the right end of the secondary preheating tank 3, the right end of the secondary heating pipe 31 is a heat-conducting medium inlet, the left end of the secondary heating pipe 31 is a heat-conducting medium outlet, the right end inlet of the secondary heating pipe 31 is connected with the lower end outlet of the secondary heat-absorbing pipe 61, the left end outlet of the secondary heating pipe 31 is connected with the upper end inlet of the secondary heat-absorbing pipe 61, a second delivery pump 62 is arranged between the left end outlet of the secondary heating pipe 31 and the upper end inlet of the secondary heat-absorbing pipe 61, the second delivery pump 62 provides flowing power for the heat-conducting medium in the secondary heat-absorbing pipe 61 and the secondary heating pipe 31, so that the heat-conducting medium circularly, the heat-conducting medium flows into the secondary heat-absorbing pipe 61 to absorb heat in the high-temperature steam, and flows into the secondary heating pipe 31 to release the heat to heat the sludge in the secondary preheating tank 3.
A third-stage heating pipe 41 is installed in the inner wall of the third-stage preheating tank 4, the third-stage heating pipe 41 is spirally embedded in the third-stage preheating tank 4, two ends of the third-stage heating pipe 41 respectively penetrate out from the left end and the right end of the third-stage preheating tank 4, the right end of the third-stage heating pipe 41 is a heat-conducting medium inlet, the left end of the third-stage heating pipe 41 is a heat-conducting medium outlet, the right end inlet of the third-stage heating pipe 41 is connected with the lower end outlet of the third-stage heat-absorbing pipe 71, the left end outlet of the third-stage heating pipe 41 is connected with the upper end inlet of the third-stage heat-absorbing pipe 71, a third delivery pump 72 is arranged between the left end outlet of the third-stage heating pipe 41 and the upper end inlet of the third-stage heat-absorbing pipe 71, and the third delivery pump 72 provides flowing power for, the heat-conducting medium flows into the third-stage heat-absorbing pipe 71 to absorb heat in the high-temperature steam, and flows into the third-stage heating pipe 41 to release the heat so as to heat the sludge in the third-stage preheating tank 4.
The working principle of the invention is as follows: in the process of incinerating sludge in the incinerator 1, a fan 13 blows air into the incinerator 1 through an air inlet 12, high-temperature steam generated during incineration is discharged into a first-stage condensing tank 5, a second-stage condensing tank 6 and a third-stage condensing tank 7 through an air outlet above the incinerator 1 in sequence, a first-stage heat absorption pipe 51, a second-stage heat absorption pipe 61 and a third-stage heat absorption pipe 71 which are arranged in the first-stage condensing tank 5, the second-stage condensing tank 6 and the third-stage condensing tank 7 absorb heat in the high-temperature steam in sequence, wherein the heat absorbed by a heat conducting medium in the first-stage heat absorption pipe 51 is the largest and the temperature is the highest, the high-temperature steam is conveyed into a first-stage heating pipe 21 through a first conveying pump 52 to preheat sludge, a temperature sensor in the first-stage preheating tank 2 can detect the temperature in the first-stage preheating tank 2, and when the temperature is too high, the, the heat transfer is reduced, and when the temperature is too low, the first delivery pump 52 is controlled to increase the flow speed of the heat-conducting medium in the primary heat-absorbing pipe 51 and the primary heating pipe 21, so that the heat transfer is increased.
The heat absorbed by the heat-conducting medium in the secondary heat-absorbing pipe 61 is the second, the sludge is preheated by being conveyed into the secondary heating pipe 31 through the second conveying pump 62, the temperature sensor in the secondary preheating tank 3 can detect the temperature in the secondary preheating tank 3, when the temperature is too high, the second conveying pump 62 is controlled to reduce the flow speed of the heat-conducting medium in the secondary heat-absorbing pipe 61 and the secondary heating pipe 31, the heat transfer is reduced, when the temperature is too low, the second conveying pump 62 is controlled to increase the flow speed of the heat-conducting medium in the secondary heat-absorbing pipe 61 and the secondary heating pipe 31, and the heat transfer is increased.
The heat absorbed by the heat-conducting medium in the tertiary heat-absorbing pipe 71 is the least, and the heat is transferred to the tertiary heating pipe 41 through the third transfer pump 72 to preheat the sludge, the temperature sensor in the tertiary preheating tank 4 can detect the temperature in the tertiary preheating tank 4, when the temperature is too high, the third transfer pump 72 is controlled to reduce the flow speed of the heat-conducting medium in the tertiary heat-absorbing pipe 71 and the tertiary heating pipe 41, so that the heat transfer is reduced, and when the temperature is too low, the third transfer pump 72 is controlled to increase the flow speed of the heat-conducting medium in the tertiary heat-absorbing pipe 71 and the tertiary heating pipe 41, so that the heat transfer is increased.
Realize carrying out balanced control to the temperature in one-level preheating tank 2, second grade preheating tank 3 and tertiary preheating tank 4 through above-mentioned mode to the heat that incinerator 1 discharged is fully utilized, has improved the utilization ratio of the energy.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. A sludge incineration waste heat recovery device comprises an incinerator (1), and is characterized in that a sludge inlet (11) is formed below the left side of the incinerator (1), a first-stage condensing tank (5), a second-stage condensing tank (6) and a third-stage condensing tank (7) are sequentially arranged on the right side of the incinerator (1), a first-stage heat absorption pipe (51) is installed in the first-stage condensing tank (5), a second-stage heat absorption pipe (61) is installed in the second-stage condensing tank (6), a third-stage heat absorption pipe (71) is installed in the third-stage condensing tank (7), the upper ends of the first-stage heat absorption pipe (51), the second-stage heat absorption pipe (61) and the third-stage heat absorption pipe (71) are inlets of heat-conducting media, the lower ends of the first-stage heat absorption pipe (51), the second-stage heat absorption pipe (61) and the third-stage heat absorption pipe (71) are outlets of the heat-conducting media, and a first, the top of one-level preheating tank (2) is provided with second grade preheating tank (3), the upper end of second grade preheating tank (3) is provided with tertiary preheating tank (4), the upper end middle part of tertiary preheating tank (4) is provided with mud mouth (42), all install temperature sensor in one-level preheating tank (2), second grade preheating tank (3) and tertiary preheating tank (4), install one-level heating pipe (21) in the inner wall of one-level preheating tank (2), install second grade heating pipe (31) in the inner wall of second grade preheating tank (3), install tertiary heating pipe (41) in the inner wall of tertiary preheating tank (4).
2. The sludge incineration waste heat recovery device according to claim 1, wherein the lower end side of the incinerator (1) is provided with two air inlets (12), the two air inlets (12) are both connected with a fan (13), the two air inlets (12) are arranged in a central symmetry manner at the bottom of the incinerator (1), the middle part of the lower end of the incinerator (1) is provided with a sludge discharge port (14), and the top of the incinerator (1) is provided with an air outlet.
3. The sludge incineration waste heat recovery device according to claim 1, wherein air outlets are formed in the middle of the upper ends of the first-stage condensing tank (5), the second-stage condensing tank (6) and the third-stage condensing tank (7), air inlets are formed in the middle of the lower ends of the first-stage condensing tank (5), the second-stage condensing tank (6) and the third-stage condensing tank (7), the air inlet at the lower end of the first-stage condensing tank (5) is connected with the air outlet at the upper end of the incinerator (1) through a pipeline, the air inlet at the lower end of the second-stage condensing tank (6) is connected with the air outlet at the upper end of the first-stage condensing tank (5) through a pipeline, the air inlet at the lower end of the third-stage condensing tank (7) is connected with the air outlet at the upper end of the second.
4. The sludge incineration waste heat recovery device according to claim 1, wherein two ends of the first-stage heat absorption pipe (51) penetrate out from the upper end and the lower end of the first-stage condensation tank (5) respectively, the lower end of the first-stage condensation tank (5) is further provided with a first drain outlet (53), two ends of the second-stage heat absorption pipe (61) penetrate out from the upper end and the lower end of the second-stage condensation tank (6) respectively, the lower end of the second-stage condensation tank (6) is further provided with a second drain outlet (63), two ends of the third-stage heat absorption pipe (71) penetrate out from the upper end and the lower end of the third-stage condensation tank (7) respectively, and the lower end of the third-stage condensation tank (7) is further provided with a third drain outlet (73).
5. The sludge incineration waste heat recovery device according to claim 1, wherein the lower end of the primary preheating tank (2) is connected with the sludge inlet (11), the lower end of the secondary preheating tank (3) is connected with the upper end of the primary preheating tank (2), and the lower end of the tertiary preheating tank (4) is connected with the upper end of the secondary preheating tank (3).
6. The sludge incineration waste heat recovery device according to claim 1, wherein the primary heating pipe (21) is spirally embedded in the primary preheating tank (2), two ends of the primary heating pipe (21) respectively penetrate out from the left end and the right end of the primary preheating tank (2), the right end of the primary heating pipe (21) is a heat conducting medium inlet, the left end of the primary heating pipe (21) is a heat conducting medium outlet, the right end inlet of the primary heating pipe (21) is connected with the lower end outlet of the primary heat absorption pipe (51), the left end outlet of the primary heating pipe (21) is connected with the upper end inlet of the primary heat absorption pipe (51), and a first delivery pump (52) is arranged between the left end outlet of the primary heating pipe (21) and the upper end inlet of the primary heat absorption pipe (51).
7. The sludge incineration waste heat recovery device according to claim 1, wherein the secondary heating pipe (31) is spirally embedded in the secondary preheating tank (3), two ends of the secondary heating pipe (31) respectively penetrate out from the left end and the right end of the secondary preheating tank (3), the right end of the secondary heating pipe (31) is a heat-conducting medium inlet, the left end of the secondary heating pipe (31) is a heat-conducting medium outlet, the right end inlet of the secondary heating pipe (31) is connected with the lower end outlet of the secondary heat absorption pipe (61), the left end outlet of the secondary heating pipe (31) is connected with the upper end inlet of the secondary heat absorption pipe (61), and a second delivery pump (62) is arranged between the left end outlet of the secondary heating pipe (31) and the upper end inlet of the secondary heat absorption pipe (61).
8. The sludge incineration waste heat recovery device according to claim 1, wherein the tertiary heating pipe (41) is spirally embedded in the tertiary preheating tank (4), two ends of the tertiary heating pipe (41) respectively penetrate out from the left end and the right end of the tertiary preheating tank (4), the right end of the tertiary heating pipe (41) is a heat-conducting medium inlet, the left end of the tertiary heating pipe (41) is a heat-conducting medium outlet, the right end inlet of the tertiary heating pipe (41) is connected with the lower end outlet of the tertiary heat absorption pipe (71), the left end outlet of the tertiary heating pipe (41) is connected with the upper end inlet of the tertiary heat absorption pipe (71), and a third delivery pump (72) is arranged between the left end outlet of the tertiary heating pipe (41) and the upper end inlet of the tertiary heat absorption pipe (71).
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1054520A (en) * | 1996-08-07 | 1998-02-24 | Japan Steel Works Ltd:The | Method and device for incinerating sludge |
| CN1899988A (en) * | 2005-07-19 | 2007-01-24 | 中国科学院工程热物理研究所 | Method for burning treating wet waste mud with waste heat recovering |
| CN101177331A (en) * | 2007-10-29 | 2008-05-14 | 北京金隅红树林环保技术有限责任公司 | Method and device for processing sludge |
| CN101618932A (en) * | 2009-07-28 | 2010-01-06 | 清华大学 | Sludge drying-incineration integrated system and use method |
| CN102235677A (en) * | 2010-05-07 | 2011-11-09 | 烟台鑫丰源电站设备有限公司 | Bubbling bed sludge incineration boiler and sludge incineration method |
| CN102583945A (en) * | 2012-01-13 | 2012-07-18 | 哈尔滨工业大学 | Sludge multi-stage drying device, fluidized bed combustion treatment device and fluidized bed combustion treatment method |
| CN104016564A (en) * | 2014-06-23 | 2014-09-03 | 王子国 | Sludge multi-effect drying incineration treatment system and application method thereof |
| CN104791824A (en) * | 2015-05-05 | 2015-07-22 | 上海瀚显空调节能技术有限公司 | Energy-saving smoke heat recycling device for vertical smoke pipe |
| CN109011971A (en) * | 2018-08-06 | 2018-12-18 | 东华工程科技股份有限公司 | A kind of sludge drying tail gas processing equipment and method |
| CN208998343U (en) * | 2018-07-19 | 2019-06-18 | 亿利智慧能源科技(安徽)有限公司 | A kind of Separated self-control adjusting boiler smoke condenser |
-
2020
- 2020-11-05 CN CN202011223464.0A patent/CN112484054A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1054520A (en) * | 1996-08-07 | 1998-02-24 | Japan Steel Works Ltd:The | Method and device for incinerating sludge |
| CN1899988A (en) * | 2005-07-19 | 2007-01-24 | 中国科学院工程热物理研究所 | Method for burning treating wet waste mud with waste heat recovering |
| CN101177331A (en) * | 2007-10-29 | 2008-05-14 | 北京金隅红树林环保技术有限责任公司 | Method and device for processing sludge |
| CN101618932A (en) * | 2009-07-28 | 2010-01-06 | 清华大学 | Sludge drying-incineration integrated system and use method |
| CN102235677A (en) * | 2010-05-07 | 2011-11-09 | 烟台鑫丰源电站设备有限公司 | Bubbling bed sludge incineration boiler and sludge incineration method |
| CN102583945A (en) * | 2012-01-13 | 2012-07-18 | 哈尔滨工业大学 | Sludge multi-stage drying device, fluidized bed combustion treatment device and fluidized bed combustion treatment method |
| CN104016564A (en) * | 2014-06-23 | 2014-09-03 | 王子国 | Sludge multi-effect drying incineration treatment system and application method thereof |
| CN104791824A (en) * | 2015-05-05 | 2015-07-22 | 上海瀚显空调节能技术有限公司 | Energy-saving smoke heat recycling device for vertical smoke pipe |
| CN208998343U (en) * | 2018-07-19 | 2019-06-18 | 亿利智慧能源科技(安徽)有限公司 | A kind of Separated self-control adjusting boiler smoke condenser |
| CN109011971A (en) * | 2018-08-06 | 2018-12-18 | 东华工程科技股份有限公司 | A kind of sludge drying tail gas processing equipment and method |
Non-Patent Citations (2)
| Title |
|---|
| [美]YEN-HSIUNG KIANG: "《有害废物的处理技术》", 31 January 1993 * |
| 王罗春等: "《污泥干化与焚烧技术》", 30 April 2010 * |
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