CN108744864B - Tail gas hot air circulation device of ammonium drying furnace - Google Patents
Tail gas hot air circulation device of ammonium drying furnace Download PDFInfo
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- CN108744864B CN108744864B CN201810891784.XA CN201810891784A CN108744864B CN 108744864 B CN108744864 B CN 108744864B CN 201810891784 A CN201810891784 A CN 201810891784A CN 108744864 B CN108744864 B CN 108744864B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/005—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by heat treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/343—Heat recovery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0052—Details for air heaters
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
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- Health & Medical Sciences (AREA)
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- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a tail gas hot air circulating device of an ammonium drying furnace, which comprises a bottom plate and a mounting plate, wherein a heating box is fixed on one side of the upper end of the mounting plate, a cavity is arranged in the heating box, a partition plate is jointly fixed between opposite side walls in the cavity, the partition plate divides the cavity into a dust removing area and a heating area from top to bottom, a first exhaust pipe and a second exhaust pipe are arranged on one side wall of the heating box in a penetrating way, one end of the second exhaust pipe is connected with one end of the first exhaust pipe, and one ends of the first exhaust pipe and the second exhaust pipe extend into the heating area and the dust removing area respectively through one side wall of the heating box. The invention solves the problem of heat waste in the exhaust gas by improving the hot air circulating device, achieves the purposes of heating and dedusting the exhaust gas and recycling the heat, reduces the energy loss, improves the utilization rate, reduces the cost, protects the environment and is convenient to use.
Description
Technical Field
The invention relates to the technical field of hot air circulation, in particular to a tail gas hot air circulation device of an ammonium drying furnace.
Background
At present, a fluidized bed furnace, namely an ammonium drying furnace, is generally adopted for drying wet ammonium chloride in the domestic and foreign alkali industry, the tail gas emission of the ammonium drying furnace is large, the emission per hour is about 40000 square, most of the wet ammonium chloride is air, and a small part of malodorous gas is contained. The tail gas of the traditional ammonium drying furnace is directly discharged after being filtered by a cyclone separator and a bag-type dust collector.
The tail gas of the ammonium drying furnace is discharged into the air to contain ammonia, the direct discharge does not meet the requirement of environmental protection policy, and the traditional method basically adopts a direct discharge mode. The environment is poor, the environmental protection pressure is high, the energy consumption is influenced by the gas discharge after heating and heat tracing, the gas cannot be recycled, the energy consumption resource is wasted, the cost is increased, and the environment is polluted.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a tail gas hot air circulation device of an ammonium drying furnace.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a dry ammonium stove tail gas hot air circulation device, includes bottom plate and mounting panel, upper end one side of mounting panel is fixed with the heating cabinet, be equipped with the cavity in the heating cabinet, be fixed with the baffle jointly between the relative lateral wall in the cavity, the baffle is divided into dust removal district and heating district from last to lower with the cavity, run through on the one end lateral wall of heating cabinet and be equipped with first blast pipe and second blast pipe, and the one end of second blast pipe is connected in the one end of first blast pipe, the one end lateral wall of first blast pipe and second blast pipe all runs through the one end lateral wall of heating cabinet and extends to in heating district respectively, upper end one side of bottom plate is equipped with rotating device, rotate on the one end lateral wall in the heating district and be connected with the swinging boom, one end of swinging boom runs through the one end lateral wall of heating cabinet and extends to one side of heating cabinet, all be equipped with first opening on heating cabinet's the one end lateral wall, and be equipped with the second opening that corresponds with first opening on the one end lateral wall of fixing cabinet, the top in the fixing cabinet has first draught fan, the one end of first draught fan is installed to the one end of first draught fan and is connected at the one end of the fixed pipe.
Preferably, the rotating device comprises a protection box fixed at one side of the upper end of the bottom plate, a driving motor is installed in the protection box, a rotating rod is fixed at the tail end of an output shaft of the driving motor, a first bevel gear is fixed at the tail end of the rotating rod, a second bevel gear is meshed with one end of the first bevel gear, the second bevel gear is fixed on the rotating pipe, a plurality of air outlet pipes are connected to the peripheral side wall of the rotating pipe at equal intervals, and the air outlet pipes are obliquely arranged.
Preferably, the upper end of mounting panel is fixed with four hydro-cylinders, and the upper end community of four hydro-cylinders is fixed places the case, the lower extreme of placing the case is fixed with the mounting box, install servo motor in the mounting box, servo motor's output shaft end is fixed with the pivot, the one end of pivot runs through the mounting box and places the one end lateral wall of case and extend to place the incasement, the end of pivot is fixed with first gear, the meshing has four second gears on the a week lateral wall of first gear, and the lower extreme rotation of second gear is connected in the bottom of placing the incasement, and the upper end of four second gears is fixed with the screw rod, the one end of screw rod runs through the one end lateral wall of placing the case and extends to the upper end of placing the case, and the common screw thread has cup jointed the dust remover on four screw rods, the dust remover passes through the blast pipe with the fixed box and is connected.
Preferably, the dust exhaust pipe is installed to lower extreme one side of dust remover, the lower extreme of dust exhaust pipe is connected with the collecting box, the lower extreme of collecting box is fixed in the upper end of mounting panel, the output tube is installed to the lower extreme opposite side of dust remover, the one end of output tube is connected with the scrubbing tower, the upper end at the mounting panel is installed to the lower extreme of scrubbing tower.
Preferably, a second induced draft fan is installed on one end side wall of the gas washing tower, a recovery pipe is installed at the lower end of the second induced draft fan, and one end of the recovery pipe is installed on one end side wall of the hot air blower.
Preferably, the upper end of the bottom plate is provided with a furnace body, one end of the first exhaust pipe is connected to one side of the furnace body, and one end of the mounting plate is fixed to one side of the bottom plate.
Compared with the prior art, the invention has the beneficial effects that:
1. through the cooperation of the air heater, the driving motor, the bevel gear and the rotating tube, the driving motor drives the bevel gear to rotate, and the bevel gear drives the rotating tube to rotate, so that the problem that heat in tail gas cannot be recycled is solved, the purposes of heat collection and utilization are realized, the energy loss is reduced, the cost is reduced, and the use is convenient;
2. the servo motor drives the gear to rotate and the gear drives the screw to rotate by the cooperation of the servo motor, the oil cylinder, the gear and the screw, so that the problem that the dust remover is inconvenient to maintain is solved, the purpose of maintaining the dust remover is realized, the maintenance cost and the labor intensity are reduced, the tail gas is ensured to be filtered and dedusted, and the heat is conveniently recycled;
3. the purpose of recycling the tail gas heat in the gas washing tower is achieved through the cooperation of the second induced draft fan, the hot air blower and the recycling pipe, the temperature of the hot air blower is increased, the cost is reduced again, and the use is convenient;
to sum up, this device has solved the extravagant problem of heat in the emission tail gas, has realized heating, dust removal and with heat cyclic utilization's the purpose to the tail gas, has reduced the loss of energy, has improved the utilization ratio, and the cost is reduced has protected the environment, facilitates the use.
Drawings
FIG. 1 is a diagram showing the internal structure of a heating box of a tail gas hot air circulation device of an ammonium drying furnace;
FIG. 2 is a schematic diagram of the external structure of a tail gas hot air circulation device of an ammonium drying furnace;
FIG. 3 is an enlarged view of the structure A of the tail gas hot air circulating device of the ammonium drying furnace;
fig. 4 is a schematic diagram of a first gear structure of a tail gas hot air circulation device of an ammonium drying furnace according to the present invention.
In the figure: 1 a bottom plate, 2 a furnace body, 3 a conveying pipe, 4 a protection box, 5 a first exhaust pipe, 6 a driving motor, 7 a second bevel gear, 8 a second exhaust pipe, 9 an air outlet pipe, 10 a rotating pipe, 11 a partition plate, 12 a hot air blower, 13 a heating box, 14 a first opening, 15 a dust remover, 16 a fixed box, 17 a first induced draft fan, 18 a gas washing tower, 19 a mounting plate, 20 a recovery pipe, 21 a collecting box, 22 a dust exhaust pipe, 23 an oil cylinder, 24 a second induced draft fan, 25 a mounting box, 26 an output pipe, 27 a servo motor, 28 a placing box, 29 a second gear, 30 a first gear and 31 a screw.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-4, a hot air circulating device for tail gas of an ammonium drying furnace comprises a base plate 1 and a mounting plate 19, wherein a heating box 13 is fixed on one side of the upper end of the mounting plate 19, a cavity is arranged in the heating box 13, a partition plate 11 is jointly fixed between opposite side walls in the cavity, the cavity is divided into a dust removing area and a heating area by the partition plate 11 from top to bottom, a first exhaust pipe 5 and a second exhaust pipe 8 are arranged on one side wall of the heating box 13 in a penetrating way, one end of the second exhaust pipe 8 is connected to one end of the first exhaust pipe 5, tail gas in a furnace body 2 is respectively discharged to the heating area and the dust removing area in the heating box 13 through the first exhaust pipe 5 and the second exhaust pipe 8, a hot air fan 12 is used in the heating area to heat and decompose ammonia in the tail gas, tail gas in the heating area and tail gas in the dust removing area are mixed in the fixing box 16, one end of the first exhaust pipe 5 and one end of the second exhaust pipe 8 extend into the heating area and the dust removing area respectively, the upper end of the furnace body 1 is provided with a first exhaust pipe 5 and one end of the second exhaust pipe 8 is connected to one side of the first exhaust pipe 2, one end of the base plate 19 is fixed on one side of the heating area 1, and one side of the mounting plate 1 is used to purify and decompose the tail gas in the heating area, so that the heating area can be purified and decomposed conveniently;
the upper end side of the bottom plate 1 is provided with a rotating device, one end side wall in the heating zone is rotationally connected with a rotating pipe 10, one end of the rotating pipe 10 penetrates through one end side wall of the heating box 13 and extends to one side of the heating box 13, the heating zone and one end side wall in the dedusting zone are respectively provided with a first opening 14, one end side wall of the heating box 13 is fixedly provided with a fixed box 16, one end side wall of the fixed box 16 is provided with a second opening corresponding to the first opening, residual tail gas in the fixed box 16 enters the deduster 15 through an air supply pipe, and the decomposed ammonia gas and tail gas with heat are recycled, so that the energy loss is reduced, and the cost is saved;
the first draught fan 17 is installed on the top in the fixed case 16, the first draught fan 17 in the fixed case 16 is used for conveying the wind with heat after decomposing ammonia into the rotary pipe 10, the conveying pipe 3 is installed at the upper end of the first draught fan 17, one end of the conveying pipe 3 penetrates through the side wall of the fixed case 16 and is connected with one end of the rotary pipe 10, the purposes of heating and dedusting tail gas and recycling heat are achieved, the energy consumption is reduced, the utilization rate is improved, the cost is reduced, and the environment is protected.
According to the invention, the rotating device comprises the protection box 4 fixed at one side of the upper end of the bottom plate 1, the driving motor 6 is installed in the protection box 4, the tail end of the output shaft of the driving motor 6 is fixedly provided with the rotating rod, the tail end of the rotating rod is fixedly provided with the first conical gear, one end of the first conical gear is meshed with the second conical gear 7, the second conical gear 7 is fixed on the rotating pipe 10, the driving motor 6 drives the first conical gear to rotate, thereby driving the second conical gear 7 to rotate and then driving the rotating pipe 10 to rotate, and then driving the air outlet pipes 9 on the rotating pipe 10 to rotate in the heating area for supplying air, so that the recycling of the heat of the tail gas is realized, a plurality of air outlet pipes 9 are connected on one circumferential side wall of the rotating pipe 10 at equal intervals, the air outlet pipes 9 are obliquely arranged, the rotation of the rotating pipe 10 and the cooperation of the air outlet pipes 9 uniformly heat the tail gas in the heating area, the heating efficiency is improved, the flow of the tail gas is accelerated by utilizing the obliquely arranged, the loss of energy is saved, and the utilization rate is improved.
According to the invention, four oil cylinders 23 are fixed at the upper ends of the mounting plates 19, the placement boxes 28 are fixed at the upper end of the four oil cylinders 23, the mounting boxes 25 are fixed at the lower ends of the placement boxes 28, servo motors 27 are installed in the mounting boxes 25, the types of the servo motors 27 are TJS-40, rotating shafts are fixed at the tail ends of output shafts of the servo motors 27, one ends of the rotating shafts penetrate through one end side walls of the mounting boxes 25 and the placement boxes 28 and extend into the placement boxes 28, first gears 30 are fixed at the tail ends of the rotating shafts, four second gears 29 are meshed on one circumferential side wall of each first gear 30, the lower ends of the second gears 29 are rotatably connected to the bottoms of the placement boxes 28, screws 31 are fixed at the upper ends of the four second gears 29, one ends of the screws 31 penetrate through one end side wall of the placement boxes 28 and extend to the upper ends of the placement boxes 28, dust collectors 15 are sleeved on the four screws 31 in a threaded mode, the types of the dust collectors 15 are HMC, most of the dust collectors 15 are filtered and collected into the collection boxes 21 through dust discharge pipes 22, when the dust collectors 15 are required to be maintained, the four gears 23 are fixed on the side walls of the first gears, the first gears 23 are rotatably connected to the second gears 29, and the second gears are conveniently rotated and are conveniently lifted by the aid of the second gears 29, and are conveniently lifted and are conveniently rotated to be used for being in a lifting mode, and are conveniently to be connected to the lifting and lifted to the first and are conveniently rotate and use the second gears to be convenient for the lifting and convenient for use.
In the invention, a dust exhaust pipe 22 is arranged at one side of the lower end of a dust remover 15, the lower end of the dust exhaust pipe 22 is connected with a collecting box 21, the lower end of the collecting box 21 is fixed at the upper end of a mounting plate 19, the other side of the lower end of the dust remover 15 is provided with an output pipe 26, one end of the output pipe 26 is connected with a gas washing tower 18, the lower end of the gas washing tower 18 is arranged at the upper end of the mounting plate 19, a second induced draft fan 24 is arranged on one side wall of the gas washing tower 18, the types of a first induced draft fan 17 and a second induced draft fan 27 are Y5-488C, a recovery pipe 20 is arranged at the lower end of the second induced draft fan 24, the dust remover 15 conveys tail gas with heat in the gas washing tower 18 through the output pipe 26, the second induced fan 24 on the side wall of the gas washing tower 18 is used for conveying the tail gas with heat in the gas washing tower 18 to the gas inlet of a hot air heater 12 again through the recovery pipe 20, the energy consumption is greatly reduced, the cost is reduced, one end of the recovery pipe 20 is arranged on one side wall of the hot air heater 12, the environmental pollution is avoided by the collecting box 21, the purposes of heat and the energy consumption is reduced, the environmental protection is realized, and the energy consumption is reduced.
In the invention, when in use, the tail gas in the furnace body 2 is respectively discharged to a heating area and a dedusting area in a heating box 13 through a first exhaust pipe 5 and a second exhaust pipe 8, the heating area is heated by a hot air blower 12 and is used for decomposing ammonia in the tail gas, the tail gas in the heating area and the tail gas in the dedusting area are mixed in a fixed box 16 and are decomposed, the wind with heat after decomposing the ammonia is conveyed into a rotary pipe 10 through a first induced draft fan 17 in the fixed box 16, a driving motor 6 drives a first conical gear to rotate, thereby driving a second conical gear 7 to rotate, driving the rotary pipe 10 to rotate, driving an air outlet pipe 9 on the rotary pipe 10 to rotate in the heating area for air supply, recycling of the heat of the tail gas is realized, and the rest tail gas in the fixed box 16 enters into a dust remover 15 through an air supply pipe, the dust remover 15 filters the dust removal with most dust, collect dust through dust exhaust pipe 22 in the collection tank 21, when need to repair and maintain dust remover 15, utilize four hydro-cylinders 23 to rise to place case 28, after going up and down to suitable height, use servo motor 27 to drive first gear 30 and rotate, thereby drive second gear 29 and rotate, then drive the screw rod 31 of fixing on second gear 29 and rotate, and then rise dust remover 15 again, reach suitable maintenance's height, dust remover 15 is through output tube 26 with tail gas transport to the scrubbing tower 18 in, use the second draught fan 24 on the scrubbing tower 18 lateral wall to carry the tail gas that has the heat in the scrubbing tower 18 through recovery pipe 20 again to the air inlet of air heater 12, recycle again, greatly reduced the energy loss, the cost is reduced, and convenient use.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (6)
1. The utility model provides an ammonium stove tail gas hot air circulation device futilely, includes bottom plate (1) and mounting panel (19), its characterized in that: the utility model discloses a dust removal device, including mounting panel (19), heating cabinet (13) are fixed with on one side of the upper end of mounting panel (19), be equipped with the cavity in heating cabinet (13), be fixed with baffle (11) jointly between the relative lateral wall in the cavity, baffle (11) are separated into dust removal district and zone of heating from top to bottom with the cavity, run through on the one end lateral wall of heating cabinet (13) and be equipped with first blast pipe (5) and second blast pipe (8), and the one end of second blast pipe (8) is connected in the one end of first blast pipe (5), the one end lateral wall of first blast pipe (5) and second blast pipe (8) all runs through the one end lateral wall of heating cabinet (13) and extends to in the zone of heating respectively, upper end one side of bottom plate (1) is equipped with rotating device, rotate on the one end lateral wall in the zone of heating cabinet (13) and extend to one side of heating cabinet (13), all be equipped with first opening (14) on the one end lateral wall in heating cabinet (13), the one end lateral wall of heating cabinet (16) and the one end of zone of heating cabinet (13) is equipped with first opening (16), and the one end of fixed on the side wall (16) of a fixed draught fan (16) is equipped with on the one end (17) and fixed on the one end of a fixed top end (17) of a draught fan (17), one end of the conveying pipe (3) penetrates through the side wall of the fixed box (16) and is connected with one end of the rotating pipe (10).
2. The tail gas hot air circulation device of the ammonium drying furnace according to claim 1, wherein the rotating device comprises a protection box (4) fixed on one side of the upper end of the bottom plate (1), a driving motor (6) is installed in the protection box (4), a rotating rod is fixed at the tail end of an output shaft of the driving motor (6), a first bevel gear is fixed at the tail end of the rotating rod, a second bevel gear (7) is meshed with one end of the first bevel gear, the second bevel gear (7) is fixed on a rotating pipe (10), a plurality of air outlet pipes (9) are connected on the side wall of the periphery of the rotating pipe (10) at equal intervals, and the air outlet pipes (9) are obliquely arranged.
3. The tail gas hot air circulating device of the ammonium drying furnace according to claim 1, wherein four oil cylinders (23) are fixed at the upper end of the mounting plate (19), a placement box (28) is fixed at the upper end of the four oil cylinders (23) in a common body, a mounting box (25) is fixed at the lower end of the placement box (28), a servo motor (27) is mounted in the mounting box (25), a rotating shaft is fixed at the tail end of an output shaft of the servo motor (27), one end of the rotating shaft penetrates through one end side wall of the mounting box (25) and one end side wall of the placement box (28) and extends into the placement box (28), a first gear (30) is fixed at the tail end of the rotating shaft, four second gears (29) are meshed on one circumferential side wall of the first gear (30), the lower ends of the second gears (29) are rotatably connected to the bottom in the placement box (28), screws (31) are fixed at the upper ends of the four second gears (29), one end of each screw (31) penetrates through one end side wall of the placement box (28) and extends into the placement box (28), and a dust remover (15) is connected with the dust remover (15) in a sleeved mode through threads.
4. A dry ammonium furnace tail gas hot air circulation device according to claim 3, characterized in that, dust exhaust pipe (22) is installed to lower extreme one side of dust remover (15), the lower extreme of dust exhaust pipe (22) is connected with collecting box (21), the lower extreme of collecting box (21) is fixed in the upper end of mounting panel (19), output tube (26) is installed to the lower extreme opposite side of dust remover (15), the one end of output tube (26) is connected with scrubber tower (18), the upper end at mounting panel (19) is installed to the lower extreme of scrubber tower (18).
5. The tail gas hot air circulating device of the ammonium drying furnace according to claim 4, wherein a second induced draft fan (24) is installed on one end side wall of the gas washing tower (18), a recovery pipe (20) is installed at the lower end of the second induced draft fan (24), and one end of the recovery pipe (20) is installed on one end side wall of the hot air blower (12).
6. The tail gas hot air circulation device of the ammonium drying furnace according to claim 1, wherein the furnace body (2) is installed at the upper end of the bottom plate (1), one end of the first exhaust pipe (5) is connected to one side of the furnace body (2), and one end of the mounting plate (19) is fixed to one side of the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810891784.XA CN108744864B (en) | 2018-08-07 | 2018-08-07 | Tail gas hot air circulation device of ammonium drying furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810891784.XA CN108744864B (en) | 2018-08-07 | 2018-08-07 | Tail gas hot air circulation device of ammonium drying furnace |
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| Publication Number | Publication Date |
|---|---|
| CN108744864A CN108744864A (en) | 2018-11-06 |
| CN108744864B true CN108744864B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810891784.XA Active CN108744864B (en) | 2018-08-07 | 2018-08-07 | Tail gas hot air circulation device of ammonium drying furnace |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020083413A (en) * | 2001-12-13 | 2002-11-02 | 문준식 | VOC omitted |
| CN203874629U (en) * | 2014-05-12 | 2014-10-15 | 孙艳玲 | Power station boiler flue gas dust removal device |
| CN206617373U (en) * | 2017-03-23 | 2017-11-07 | 民勤县隆丰工贸有限公司 | A kind of heat abstractor of air-introduced machine |
| CN207520766U (en) * | 2017-11-21 | 2018-06-22 | 合肥四方磷复肥有限责任公司 | A kind of boiler exhaust gas processing utilizes device |
| CN208711353U (en) * | 2018-08-07 | 2019-04-09 | 河南骏化发展股份有限公司 | A kind of dry ammonium furnace exhaust gas heated air circulation device |
-
2018
- 2018-08-07 CN CN201810891784.XA patent/CN108744864B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020083413A (en) * | 2001-12-13 | 2002-11-02 | 문준식 | VOC omitted |
| CN203874629U (en) * | 2014-05-12 | 2014-10-15 | 孙艳玲 | Power station boiler flue gas dust removal device |
| CN206617373U (en) * | 2017-03-23 | 2017-11-07 | 民勤县隆丰工贸有限公司 | A kind of heat abstractor of air-introduced machine |
| CN207520766U (en) * | 2017-11-21 | 2018-06-22 | 合肥四方磷复肥有限责任公司 | A kind of boiler exhaust gas processing utilizes device |
| CN208711353U (en) * | 2018-08-07 | 2019-04-09 | 河南骏化发展股份有限公司 | A kind of dry ammonium furnace exhaust gas heated air circulation device |
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| Publication number | Publication date |
|---|---|
| CN108744864A (en) | 2018-11-06 |
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