CN217424010U - Energy-conserving efficient building gesso drying system - Google Patents
Energy-conserving efficient building gesso drying system Download PDFInfo
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- CN217424010U CN217424010U CN202220074334.3U CN202220074334U CN217424010U CN 217424010 U CN217424010 U CN 217424010U CN 202220074334 U CN202220074334 U CN 202220074334U CN 217424010 U CN217424010 U CN 217424010U
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- 238000001035 drying Methods 0.000 title claims abstract description 67
- 239000007789 gas Substances 0.000 claims abstract description 79
- 239000002918 waste heat Substances 0.000 claims abstract description 76
- 238000011084 recovery Methods 0.000 claims abstract description 73
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 61
- 239000010440 gypsum Substances 0.000 claims abstract description 61
- 239000000843 powder Substances 0.000 claims abstract description 46
- 239000000428 dust Substances 0.000 claims abstract description 35
- 238000002156 mixing Methods 0.000 claims description 14
- 230000000740 bleeding effect Effects 0.000 claims description 13
- 238000001354 calcination Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 4
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000005485 electric heating Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 29
- 238000005265 energy consumption Methods 0.000 abstract description 10
- 238000005243 fluidization Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000003837 high-temperature calcination Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000010795 gaseous waste Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Drying Of Solid Materials (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The utility model provides an energy-conserving efficient building gypsum powder drying system mainly solves and has the lower problem of waste heat loss, energy consumption height and production efficiency among the current building gypsum production system. The system comprises a fluidized bed furnace, a dust remover, a rotary drying furnace and a gypsum powder bin; it is characterized in that: the device also comprises a temperature and humidity measuring component, a waste heat recovery device, a diffusing device and an air preheater; the inlet of the waste heat recovery device is connected with the outlet of the dust remover, and the outlet of the waste heat recovery device is connected with the air preheater and used for recovering the high-temperature gas purified by the dust remover; the temperature and humidity measuring component is arranged at the inlet of the waste heat recovery device and is used for measuring the temperature and humidity of air entering the waste heat recovery device; the diffusing device is arranged at the inlet of the waste heat recovery device and is positioned behind the temperature and humidity measuring component; the inlet of the air preheater is connected with the outlet of the waste heat recovery device, and the outlet of the air preheater is connected with the rotary drying furnace and used for utilizing the heat energy of the recovered high-temperature gas.
Description
Technical Field
The utility model belongs to building gypsum production field, concretely relates to energy-conserving efficient building gypsum powder drying system mainly is applied to in the production system of building gypsum such as beta gypsum powder.
Background
At present, building gypsum is mainly dried by a steam rotary drying furnace, a dried gypsum powder semi-finished product enters a fluidized bed roaster (fluidized calcining machine) for calcining, in the calcining process of the fluidized bed roaster, a heated gypsum powder and air mixture enters a dust remover for separation and purification, the gypsum powder is recovered and then is continuously and deeply processed as the semi-finished product, and purified high-temperature gas (the temperature can reach 150 plus 175 ℃) is discharged to atmosphere through a chimney, but the method cannot avoid generating heat energy loss and energy consumption, thereby causing great economic loss and having lower production efficiency.
Disclosure of Invention
The utility model aims at solving and having waste heat loss among the current building gypsum production system, the higher and lower problem of production efficiency of energy consumption, an energy-conserving efficient building gypsum powder drying system is provided, this system is effectively recoverable, the system of equipment waste heat tail gas such as cyclic utilization fluidized bed furnace, through retrieving, the high temperature flue gas of cyclic utilization dust remover emission, then heat the raw materials in the rotary drying stove through air heater, dry, make full use of waste heat resource, thereby effectively reduce building gypsum's production energy consumption and cost, produce great economic value.
For solving the above problems, the technical scheme of the utility model is as follows:
an energy-saving and efficient building gypsum powder drying system comprises a fluidized bed furnace, a dust remover, a rotary drying furnace and a gypsum powder bin; the fluidized bed furnace is arranged at the outlet of the gypsum powder bin and is used for calcining the gypsum powder in the gypsum powder bin at high temperature to remove free water and part of crystal water in the gypsum powder, and high-temperature gas in the fluidized bed furnace is mixed with part of gypsum powder and enters the dust remover; the dust remover is arranged at the rear end or the top of the fluidized bed furnace and is used for separating and purifying high-temperature gas discharged by the fluidized bed furnace, and the gypsum powder in the high-temperature gas is returned to the fluidized bed furnace again for calcination; it is characterized in that: the device also comprises a temperature and humidity measuring component, a waste heat recovery device, a diffusing device and an air preheater; the waste heat recovery device is a gas collection and transmission device with a heat preservation effect, an inlet of the waste heat recovery device is connected with an outlet of the dust remover, an outlet of the waste heat recovery device is connected with the air preheater and used for recovering high-temperature gas purified by the dust remover, then the high-temperature gas is sent into the air preheater, and the desulfurized gypsum powder in the rotary drying furnace is heated and dried by utilizing rich heat energy; the temperature and humidity measuring component is arranged at an inlet of the waste heat recovery device and is used for measuring the temperature and humidity of air entering the waste heat recovery device; the diffusing device is arranged at the inlet of the waste heat recovery device, is positioned behind the temperature and humidity measuring component and is used for sending high-temperature gas meeting the set requirement into the air preheater and discharging the high-temperature gas which does not meet the set requirement into the atmosphere; the inlet of the air preheater is connected with the outlet of the waste heat recovery device, the outlet of the air preheater is connected with the rotary drying furnace, and the air preheater is used for utilizing heat energy of the recovered high-temperature gas, sending the high-temperature gas into the rotary drying furnace for heating and drying the desulfurized gypsum in the furnace, and completing the recovery and utilization of the heat energy of the high-temperature gas in the fluidized bed furnace.
Furthermore, the waste heat recovery device comprises a gas collecting hood, a waste heat recovery pipeline and an exhaust hood which are sequentially arranged, heat insulating layers are arranged on the outer walls of the gas collecting hood, the waste heat recovery pipeline and the exhaust hood, the gas collecting hood is connected with a fan outlet matched with the dust remover through a high-temperature compensator, and the exhaust hood is connected with an air preheater.
Furthermore, the gas collecting hood and the exhaust hood are of sleeve structures with square inlets and circular outlets, the inlets and the outlets are of gradient structures, the gas collecting hood is connected with the high-temperature compensator through a flange, and the high-temperature compensator is connected with the outlet of the dust remover fan through a flange; the waste heat recovery pipeline is respectively connected with the gas collecting hood and the exhaust hood in a welding mode, and the outlet of the exhaust hood is connected with the air preheater through a flange.
Furthermore, the heat-insulating layer is made of aluminum silicate fiber, rock wool or an aluminum shell.
Further, the bleeding device comprises a pipeline cut-off valve, a bleeding valve and a bleeding pipe; the pipeline trip valve sets up on waste heat recovery pipeline, the import and the waste heat recovery device intercommunication of diffusing pipe, export and atmosphere intercommunication, the valve setting of diffusing is on diffusing the pipe.
Further, the pipeline trip valve is the pneumatic butterfly valve that has the remote control function.
Further, the pipeline trip valve adopts the flange mounting on waste heat recovery pipeline, and the import beading of diffusing pipe is on waste heat recovery pipeline, and the diffusing valve adopts the flange mounting on diffusing pipeline.
Further, an air mixing valve is installed on the air preheater, and the air mixing valve is interlocked with a pressure measuring component signal of the rotary drying furnace and used for balancing the air pressure of the rotary drying furnace.
Further, the air mixing valve adopts a pneumatic butterfly valve.
Further, the air preheater adopts electric heating or steam heating.
Compared with the prior art, the utility model discloses the device has following advantage:
1. the utility model discloses the system can effectively retrieve, utilize the high-temperature gas that building gypsum produced at the high temperature calcination process, with high-temperature gas recovery, cyclic utilization to the production process of rotary drying furnace, high-temperature gas has not only reduced the energy consumption, has the fluidization moreover, has increased the heat transfer and the drying process of material in the stove, has improved rotary drying furnace's production efficiency.
2. The utility model discloses the last installation of air heater of system mixes the blast gate, mixes blast gate and rotary drying furnace's pressure measurement components and parts signal chain, and when atmospheric pressure in the rotary drying furnace was too high or low excessively, automatic opening mixes atmospheric pressure in the balanced rotary drying furnace of blast gate, and pressure keeps closing at the production allowed band, guarantees that production is smooth and easy. Meanwhile, the air mixing valve can be opened to keep the air pressure in the furnace balanced or further improve the temperature of the furnace body in emergency.
Drawings
Fig. 1 is the utility model discloses energy-conserving efficient building gesso drying system schematic diagram.
Reference numerals: 1-fluidized bed furnace, 2-dust remover, 3-temperature and humidity measuring component, 4-waste heat recovery device, 5-diffusing device, 6-air preheater, 7-rotary drying furnace, 8-gypsum powder bin, 21-fan, 41-high temperature compensator, 42-gas collecting hood, 43-waste heat recovery pipeline, 44-exhaust hood, 51-pipeline cut-off valve, 52-diffusing valve, 53-diffusing pipe and 61-air mixing valve.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The utility model provides an energy-conserving efficient building gypsum powder drying system, this system are waste heat recovery's building gypsum drying system, and this system can effectively retrieve, the waste heat tail gas that equipment such as cyclic utilization fluidizing reactor produced, improves the production efficiency of rotary drying furnace, effectively reduces building gypsum's production energy consumption and cost. The system during operation will pass through the fine powder gypsum after fluidized bed roaster (fluidization calciner) calcines, waste heat air through dust remover purification separation, will purify the high-temperature gas after retrieving through waste heat recovery device, send into air heater, rotary drying furnace, utilize heat energy wherein to carry out fluidization, heating, stoving to the desulfurization gypsum, reduce the direct discharge of high-temperature gas and the condition such as heat energy loss, energy consumption increase that cause, effectively reduce the production energy consumption of building gypsum, improve production efficiency.
As shown in fig. 1, the utility model discloses energy-conserving efficient building gesso drying system includes fluidized bed furnace 1 (fluidization calcining machine), dust remover 2 (containing fan 21), rotary drying furnace 7, gypsum powder storehouse 8, temperature measurement and humidity measurement components and parts 3, waste heat recovery device 4, diffusing device 5 and air heater 6. The fluidized bed roaster 1 (fluidization calciner) is arranged at the outlet (namely the rear end) of the raw gypsum powder bin 8 and is used for carrying out high-temperature calcination on the raw gypsum powder in the raw gypsum powder bin 8 to remove free water and part of crystal water in the materials, and then high-temperature gas in the fluidized bed roaster 1 is mixed with part of gypsum powder to enter the dust remover 2; the dust collector 2 (including the fan 21) is arranged at the rear end or the top of the fluidized bed furnace 1 and is used for separating and purifying high-temperature gas discharged by the fluidized bed furnace 1, collecting gypsum powder in the gypsum powder and returning the gypsum powder to the fluidized bed furnace 1 again, and sending the purified high-temperature gas into the waste heat recovery device 4 for waste preheating and recycling.
The waste heat recovery device 4 is a gas collection and transmission device with a heat preservation function, an inlet of the waste heat recovery device is arranged at an outlet of the dust remover 2 behind the fluidized bed furnace 1, namely the outlet is arranged at the tail end of a fan 21 of the dust remover 2, the outlet is connected with the air preheater 6 and is used for recovering high-temperature gas which can be recycled through the fluidized bed furnace 1 and the dust remover 2, then the high-temperature gas is sent into the air preheater 6, and the desulfurized gypsum powder in the rotary drying furnace 7 is heated and dried by utilizing the rich heat energy.
The temperature and humidity measuring component 3 is arranged at an inlet of the waste heat recovery device 4 and used for measuring the temperature and humidity of air entering the waste heat recovery device 4, the temperature and humidity signal is linked with the diffusing device 5 through a PLC, high-temperature gas with the temperature and humidity reaching the utilization value directly enters the air preheater 6 for recycling, and air with the temperature and humidity not reaching the utilization value is directly discharged into the atmosphere through the diffusing device 5.
The diffusing device 5 is arranged behind the dust remover 2, and the front end of the waste heat recovery device 4 is specifically arranged at the inlet of the waste heat recovery device 4 and is positioned behind the temperature and humidity measuring component 3, and is used for sending high-temperature gas meeting the set requirement into the air preheater 6 and discharging gas without utilization value into the atmosphere; because humiture signal and diffusing device 5 are linked through PLC, under the normal condition, keep diffusing pipe 53 to close, waste heat recovery device 4 is in the running state, and when the gas that dust remover 2 discharged did not have the recycle value, diffusing device 5 received the signal of diffusing, and automatic opening is switched to the state of diffusing, then diffuses the atmosphere to the gas that purifies through dust remover 2.
Above-mentioned air heater 6 sets up the front end at rotary drying furnace 7, waste heat recovery device 4's end, the import of air heater 6 promptly and waste heat recovery device 4's exit linkage, export and rotary drying furnace 7 access connection, be used for carrying out the heat utilization to the high-temperature gas of retrieving, be about to high-temperature gas send into rotary drying furnace 7 fluidization, the heating, the desulfurization gypsum in the drying furnace, and high-temperature gas's entering helps the fluidization of stove interior material, the heat exchange, improve rotary drying furnace's production efficiency, and accomplish the recovery and the utilization of boiling furnace 1 high-temperature gas heat energy.
The embodiment of the utility model provides an in, waste heat recovery device 4 is including the gas collecting channel 42, waste heat recovery pipeline 43 and the exhaust hood 44 that set gradually, and the income of waste heat recovery device 4, export for the local steel gas collecting channel 42 of sky circle, exhaust hood 44, and the interlude is the steel pipeline, and gas collecting channel 42 and exhaust hood 44 are the local structure of sky circle, can conveniently collect gas, realize the pressure buffering simultaneously. Wherein, the gas collecting hood 42 of the inlet is connected with the outlet of the fan 21 matched with the dust remover 2 through the high-temperature compensator 41, the exhaust hood 44 of the outlet is connected with the air preheater 6, and the whole waste heat recovery device 4 adopts materials such as aluminum silicate fiber or rock wool, aluminum shell and the like for heat preservation, thereby reducing the heat loss. During specific installation, the gas collecting hood 42 is connected with the high-temperature compensator 41 by a flange, and then the high-temperature compensator 41 is connected with the outlet of the fan 21 of the dust remover 2 by a flange and used for collecting gas discharged by the dust remover 2; the middle section adopts steel waste heat recovery pipeline 43, and steel waste heat recovery pipeline 43 respectively with gas collecting channel 42, exhaust hood 44 welded connection, exhaust hood 44 export and air heater 6 adopt flange joint.
The specific size of the high-temperature compensator 41 is consistent with the outlet of the fan 21 of the dust collector 2, the inlet size (square opening size) of the gas collecting hood 42 is consistent with the size of the high-temperature compensator 41, the outlet size of the gas collecting hood 42 is comprehensively determined by the amount of the recovered waste heat gas and the ventilation volume of the rotary drying furnace 7, the inlet size of the exhaust hood 44 is the same as the waste heat recovery pipeline 43, and the outlet size (square opening) is consistent with the size of the air preheater 6.
In the embodiment of the present invention, the bleeding device 5 includes a pipeline cut-off valve 51, a bleeding valve 52, and a bleeding pipe 53; the pipe shut valve 51 is provided on the waste heat recovery device 4, that is, on the waste heat recovery pipe 43, an inlet of the blow-off pipe 53 is communicated with the waste heat recovery device 4, an outlet is communicated with the atmosphere, and the blow-off valve 52 is provided on the blow-off pipe 53. The pipeline cut-off valve 51 is a pneumatic butterfly valve with a remote control function, the pipeline cut-off valve 51 and the bleeding valve 52 are interlocked with each other, namely the two valves are opened and closed, the temperature and humidity measuring component 3 detects that the temperature of the high-temperature gas meets the recovery requirement, and a PLC sends out an instruction for opening the pipeline cut-off valve 51 and closing the bleeding valve 52; when the temperature does not meet the recycling requirement, the instructions of opening the bleeding valve 52 and closing the pipeline cut-off valve 51 are sent out, the two valves are opened and closed according to the PLC instruction, the task of recycling or bleeding gas is completed, the two valves can be manually operated, and the emergency problem in production can be solved if necessary. During specific installation, pipeline trip valve 51 adopts the flange mounting on waste heat recovery pipeline 43, and the import beading of diffusing pipe 53 is on steel waste heat recovery pipeline 43, and diffusing valve 52 adopts the flange mounting on steel diffusing pipe 53 says, and diffusing device 5 is used for not having the direct emission of gas of using value and solving the emergent problem of production.
The embodiment of the utility model provides an in, air heater 6 can last supplementary high-temperature gas toward in rotary drying furnace 7, utilizes surplus hot gas to heat, dry to the material in rotary drying furnace 7, has certain fluidization moreover, increases the heat exchange of material, improves rotary drying furnace 7's production efficiency and reduces building gesso drying system energy consumption and cost. The air preheater 6 may be electrically heated or steam heated (normally not used). Meanwhile, the air preheater 6 is provided with a flange-connected air mixing valve 61, and the air mixing valve 61 adopts a pneumatic butterfly valve. The air mixing valve 61 and the air preheater 6 are in signal linkage with the rotary drying furnace 7 or a pressure measuring component of a production system, when the air pressure in the rotary drying furnace 7 is too high or too low, the air mixing valve 61 is automatically opened to balance the air pressure in the rotary drying furnace 7, the pressure is kept closed within a production allowable range, and the smooth production is ensured. In an emergency, the air mixing valve 61 can be opened to keep the air pressure in the furnace balanced or further increase the temperature of the furnace body.
The utility model discloses system during operation, the residual heat gas in the fluidized bed furnace 1 firstly gets into high temperature compensator 41 through the fan 21 of dust remover 2, get into gas collecting channel 42 after that, waste heat recovery pipeline 43, pass through temperature measurement humidity measurement components and parts 3 again and carry out analysis judgement and automatic execution relevant instruction, the gas that does not have the recycle value directly discharges into the atmosphere through diffusing device 5, the gas that has the recycle value then continues to get into air heater 6 through waste heat recovery pipeline 43, get into rotary drying furnace 7 at last, fluidize the material in rotary drying furnace 7, the heating, it dries, accomplish the recycle of waste heat. If the air pressure of the rotary drying furnace 7 is too low or too high, the air mixing valve 61 on the air preheater 6 is automatically opened according to an instruction to mix and exhaust air to balance the air flow in the rotary drying furnace 7, so that smooth production is ensured, and a heating system of the air preheater 6 is determined by production personnel to operate according to production requirements.
The utility model discloses energy-conserving efficient building gesso drying system is applied to in-process such as building gypsum production, not only can effectively utilize the gaseous waste heat resource of high temperature that fluidized bed furnace 1 discharged, reduces heat energy loss, but also can improve rotary drying furnace 7's production efficiency, reduces production energy consumption and cost, produces great economic value.
Claims (10)
1. An energy-saving and efficient building gypsum powder drying system comprises a fluidized bed furnace (1), a dust remover (2), a rotary drying furnace (7) and a gypsum powder bin (8);
the fluidized bed furnace (1) is arranged at an outlet of the gypsum powder bin (8) and is used for calcining the gypsum powder in the gypsum powder bin (8) at a high temperature to remove free water and part of crystal water in the gypsum powder, and high-temperature gas in the fluidized bed furnace (1) is mixed with part of the gypsum powder and enters the dust remover (2); the dust remover (2) is arranged at the rear end or the top of the fluidized bed furnace (1) and is used for separating and purifying high-temperature gas discharged by the fluidized bed furnace (1);
the method is characterized in that: the device also comprises a waste heat recovery device (4), a temperature and humidity measuring component (3), a diffusing device (5) and an air preheater (6);
the waste heat recovery device (4) is a gas collection and transmission device with a heat preservation effect, an inlet of the waste heat recovery device is connected with an outlet of the dust remover (2), an outlet of the waste heat recovery device is connected with the air preheater (6) and used for recovering high-temperature gas purified by the dust remover (2), then the high-temperature gas is sent to the air preheater (6) to heat and dry desulfurized gypsum powder in the rotary drying furnace (7);
the temperature and humidity measuring component (3) is arranged at an inlet of the waste heat recovery device (4) and is used for measuring the temperature and humidity of air entering the waste heat recovery device (4);
the diffusing device (5) is arranged at the inlet of the waste heat recovery device (4), is positioned behind the temperature and humidity measuring component (3) and is used for sending high-temperature gas meeting the set requirement into the air preheater (6) and exhausting the high-temperature gas which does not meet the set requirement into the atmosphere;
the inlet of the air preheater (6) is connected with the outlet of the waste heat recovery device (4), the outlet of the air preheater is connected with the rotary drying furnace (7) and used for utilizing heat energy of the recovered high-temperature gas, and the high-temperature gas is sent into the rotary drying furnace (7) to heat and dry desulfurized gypsum in the furnace, so that the recovery and utilization of the heat energy of the high-temperature gas in the fluidized bed furnace (1) are completed.
2. The energy-saving and efficient building gypsum powder drying system of claim 1, wherein: the waste heat recovery device (4) comprises a gas collecting hood (42), a waste heat recovery pipeline (43) and an exhaust hood (44) which are sequentially arranged, heat insulation layers are arranged on the outer walls of the gas collecting hood (42), the waste heat recovery pipeline (43) and the exhaust hood (44), the gas collecting hood (42) is connected with an outlet of a fan (21) matched with the dust remover (2) through a high-temperature compensator (41), and the exhaust hood (44) is connected with an air preheater (6).
3. The energy-saving and efficient building gypsum powder drying system of claim 2, characterized in that: the gas collecting hood (42) and the exhaust hood (44) are of a sleeve structure with a square inlet and a circular outlet, the inlet and the outlet are of a gradual change structure, the gas collecting hood (42) is connected with the high-temperature compensator (41) through a flange, and the high-temperature compensator (41) is connected with the outlet of the fan (21) of the dust remover (2) through a flange; the waste heat recovery pipeline (43) is respectively connected with the gas collecting hood (42) and the exhaust hood (44) in a welding mode, and the outlet of the exhaust hood (44) is connected with the air preheater (6) through a flange.
4. The energy-saving and efficient building gypsum powder drying system of claim 3, wherein: the heat-insulating layer is made of aluminum silicate fiber, rock wool or an aluminum shell.
5. The energy-saving and efficient building gypsum powder drying system of any one of claims 2 to 4, characterized in that: the bleeding device (5) comprises a pipeline cut-off valve (51), a bleeding valve (52) and a bleeding pipe (53); pipeline trip valve (51) set up on waste heat recovery pipeline (43), the import and waste heat recovery device (4) intercommunication of diffuse pipe (53), export and atmosphere intercommunication, diffuse valve (52) set up on diffuse pipe (53).
6. The energy-saving and efficient building gypsum powder drying system of claim 5, wherein: the pipeline shut-off valve (51) is a pneumatic butterfly valve with a remote control function.
7. The energy-saving and efficient building gypsum powder drying system of claim 6, characterized in that: pipeline trip valve (51) adopt the flange mounting on waste heat recovery pipeline (43), the import lug weld of diffuse pipe (53) is on waste heat recovery pipeline (43), diffuse valve (52) adopt the flange mounting on diffuse pipe (53).
8. The energy-saving and efficient building gypsum powder drying system of claim 7, characterized in that: the air preheater (6) is provided with an air mixing valve (61), and the air mixing valve (61) is interlocked with a pressure measuring component signal of the rotary drying furnace (7) and used for balancing the air pressure of the rotary drying furnace (7).
9. The energy-saving and efficient building gypsum powder drying system of claim 8, characterized in that: the air mixing valve (61) adopts a pneumatic butterfly valve.
10. The energy-saving and efficient building gypsum powder drying system of claim 9, characterized in that: the air preheater (6) adopts electric heating or steam heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202220074334.3U CN217424010U (en) | 2022-01-12 | 2022-01-12 | Energy-conserving efficient building gesso drying system |
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| CN202220074334.3U CN217424010U (en) | 2022-01-12 | 2022-01-12 | Energy-conserving efficient building gesso drying system |
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| CN217424010U true CN217424010U (en) | 2022-09-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118347314A (en) * | 2024-06-17 | 2024-07-16 | 包头市明芯科技有限公司 | A rotary kiln waste heat recovery and drying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118347314A (en) * | 2024-06-17 | 2024-07-16 | 包头市明芯科技有限公司 | A rotary kiln waste heat recovery and drying device |
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Effective date of registration: 20231115 Address after: Floor 6, Shaanxi Investment Building, No. 45 Tangyan Road, High tech Zone, Xi'an City, Shaanxi Province, 710075 Patentee after: Shaanxi Qinlong Power Co.,Ltd. Address before: 712000 No. 1369, Xianhong Road, Zhengyang Street, Qinhan new town, Xixian New District, Xi'an City, Shaanxi Province Patentee before: Shaanxi Zhengyuan Industrial Co.,Ltd. |