CN217535930U - Processing system of high temperature flue gas - Google Patents
Processing system of high temperature flue gas Download PDFInfo
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- CN217535930U CN217535930U CN202221861511.9U CN202221861511U CN217535930U CN 217535930 U CN217535930 U CN 217535930U CN 202221861511 U CN202221861511 U CN 202221861511U CN 217535930 U CN217535930 U CN 217535930U
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Abstract
The utility model provides a processing system of high temperature flue gas, include: the device comprises a separator, a first connecting pipe, an ash collecting tank and a heat collecting device; the separator is provided with a flue gas inlet and an ash outlet, and can separate dust in high-temperature flue gas entering the separator from the flue gas inlet and discharge the dust from the ash outlet; the dust collecting tank is provided with a dust receiving opening, and two ends of the first connecting pipe are respectively connected to the dust discharging opening and the dust receiving opening, so that dust discharged from the dust discharging opening can enter the dust collecting tank through the first connecting pipe; the heat collecting device is connected with the dust collecting tank and used for absorbing heat of dust entering the dust collecting tank. The heat in the dust contained in the high-temperature flue gas can be recovered, and the energy waste is avoided.
Description
Technical Field
The utility model relates to a coal chemical industry technical field, in particular to processing system of high temperature flue gas.
Background
Gasification of coal is a process of converting a gasification raw material such as solid coal, semicoke or coke into a mixed gas containing carbon monoxide and hydrogen as main components, i.e., a synthesis gas, by oxidative combustion. The synthesis gas is further processed to prepare clean fuel or synthetic oil and chemical raw material gas.
During the coal gasification process, mineral substances and the like in coal carried by synthesis gas are solidified to form dust, and the dust can cause overlarge scaling resistance of downstream unit equipment or catalyst poisoning to influence production, so that the dust needs to be collected and removed. In actual work, the dust has higher temperature, and the heat in the dust is not recovered in the prior art, but the dust with higher heat is directly treated, so that certain waste of heat energy is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a processing system of high temperature flue gas can retrieve the heat in the dust that contains in the high temperature flue gas, avoids causing the waste of the energy.
In order to achieve the above object, the utility model adopts the following technical scheme:
a high-temperature flue gas treatment system comprises: the device comprises a separator, a first connecting pipe, an ash collecting tank and a heat collecting device;
the separator is provided with a flue gas inlet and an ash outlet, and can separate dust in high-temperature flue gas entering the separator from the flue gas inlet and discharge the dust from the ash outlet;
the dust collecting tank is provided with a dust receiving opening, and two ends of the first connecting pipe are respectively connected to the dust discharging opening and the dust receiving opening, so that dust discharged from the dust discharging opening can enter the dust collecting tank through the first connecting pipe;
the heat collecting device is connected with the dust collecting tank and used for absorbing heat of dust entering the dust collecting tank.
Preferably, the heat collecting device comprises a liquid inlet pipe, a liquid outlet pipe and a heat exchange body which is abutted against the outer wall of the ash collecting tank;
the liquid inlet pipe and the liquid outlet pipe are connected to the heat exchange body, and heat exchange media enter the inner cavity of the heat exchange body through the liquid inlet pipe and are conveyed to an external target position through the liquid outlet pipe after absorbing heat of dust in the dust collection tank.
Preferably, a feeder is also included;
the first connection pipe is connected to the dust receiving port through the feeder so that the dust discharged from the dust discharge port can enter into the feeder through the first connection pipe;
the feeder has an air inlet through which external air can enter the feeder and drive dust entering the interior of the feeder to move into the dust collection tank.
Preferably, the dust collecting tank is internally provided with a dust collecting cavity and a dust inlet channel;
the dust collection cavity comprises a first cavity and a second cavity, the first cavity is positioned above the second cavity and communicated with the second cavity, the first cavity is in a cylindrical shape with a vertical axis, the second cavity is in a conical shape with a downward tapered shape, and a dust discharge port is formed at the bottom of the dust collection tank;
it is in the shape that extends along the pitch arc to advance grey passageway, it is located to advance grey passageway the top of first cavity, and one end is in the surface of receiving the ash can forms the dust receiving port, the other end is connected on the top of first cavity, follow the dust that the dust receiving port got into can pass through advance grey passageway and enter into in the first cavity, enter into the dust of first cavity can fall into in the second cavity, and follow the dust discharge port discharges outside receiving the ash can.
Preferably, a rapping device is arranged on the side wall of the first cavity and is used for shaking off dust attached to the side wall of the first cavity.
Preferably, the number of the rapping devices is more than two, and the more than two rapping devices are uniformly distributed along the circumferential direction of the first cavity.
Preferably, an air inlet through hole allowing external air to enter is formed in the side wall of the second cavity, and external air can enter the second cavity through the air inlet through hole and drive dust entering the second cavity to move towards the dust outlet.
Preferably, the number of the air inlet through holes is more than two, and the air inlet through holes are uniformly distributed along the circumferential direction of the second cavity.
Preferably, a dust discharge pipe is further included;
the dust discharge pipe is positioned outside the dust collection tank and connected to the dust discharge port so that dust discharged from the dust discharge port can be discharged to an external target location through the dust discharge pipe;
the dust discharge pipe is provided with a first dust driving device for driving dust in the dust discharge pipe to move towards a direction far away from the dust discharge port, and/or the dust discharge pipe is provided with a pressure reducing device for reducing pressure of fluid in the dust discharge pipe on the inner wall of the dust discharge pipe.
Preferably, the dust discharging pipe is further included;
the dust discharge pipe is located outside the dust collection tank and connected to the dust discharge port so that dust discharged from the dust discharge port can be discharged to an external target location through the dust discharge pipe;
and a second dust driving device is arranged on the dust discharge pipe at a position close to the dust discharge port and used for driving the dust discharged from the dust discharge port to move towards a direction far away from the dust discharge port, and/or a third dust driving device is arranged on one end of the dust discharge pipe far away from the dust discharge port and can drive the dust in the dust discharge pipe to be discharged from the dust discharge pipe.
The utility model discloses a processing system of high temperature flue gas is through adopting the heat collection device with it connects to receive the ash can, is used for absorbing the entering receive the thermal technical scheme of dust in the ash can, can retrieve the heat in the dust that contains in the high temperature flue gas, avoid causing the waste of the energy.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a high-temperature flue gas treatment system of the present invention;
FIG. 2 is a schematic structural view of the ash collection tank in FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic sectional view of the third dust driving apparatus of fig. 1.
In the figure: 1-a separator; 2-a first connection pipe; 3-ash collecting tank; 4-a heat collecting device; 5-a flue gas inlet; 6-ash outlet; 7-a liquid inlet pipe; 8-a liquid outlet pipe; 9-a heat exchange body; 10-a feeder; 11-a dust receiving opening; 12-an air inlet; 13-an ash inlet channel; 14-a first cavity; 15-a second cavity; 16-dust discharge; 17-a rapping device; 18-an air inlet through hole; 19-a dust discharge pipe; 20-a first dust driving means; 21-a pressure reducing device; 22-a second dust driving means; 23-a third dust driving means; 24-a flow channel; 25-first stage; 26-a second section; 27-the third section; 28-discharge port.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description will be made in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1, a high-temperature flue gas treatment system includes: a separator 1, a first connecting pipe 2, an ash collecting tank 3 and a heat collecting device 4. The separator 1 has a flue gas inlet 5 and an ash outlet 6, and the separator 1 can separate dust from high-temperature flue gas entering the separator 1 from the flue gas inlet 5 and discharge the dust from the ash outlet 6. In actual production, the separator 1 may be any dry type dust collector such as a cyclone dust collector or a multi-tube dust collector. As shown in fig. 2, the dust collection tank 3 has a dust receiving opening 11, and both ends of the first connection pipe 2 are connected to the dust discharge opening and the dust receiving opening 11, respectively, so that dust discharged from the dust discharge opening can enter the dust collection tank 3 through the first connection pipe 2. The heat collecting device 4 is connected with the dust collecting tank 3 and is used for absorbing heat of dust entering the dust collecting tank 3. By adopting the technical scheme, the heat in the dust contained in the high-temperature flue gas can be recovered, and the energy waste is avoided.
In practical production, as shown in fig. 1 and 2, the heat collecting device 4 includes a liquid inlet pipe 7, a liquid outlet pipe 8 and a heat exchange body 9 abutting against the outer wall of the ash collecting tank 3. Liquid inlet pipe 7 and drain pipe 8 are all connected on heat transfer body 9, and heat transfer medium passes through liquid inlet pipe 7 and enters into the inner chamber of heat transfer body 9 to absorb and be located and carry outside target position through drain pipe 8 behind the heat of dust in dust collecting tank 3. In actual operation, the heat exchange medium may be water, that is, water is delivered into the inner cavity of the heat exchange body 9 through the liquid inlet pipe 7 by driving a water pump (not shown), and after the water absorbs heat of dust in the dust collecting tank 3 (i.e., the water is heated), the water is discharged to a target position outside the heat exchange body 9 through the liquid outlet pipe 8 by driving the water pump to be utilized,
Further, as shown in fig. 1, a feeder 10 is further included. The first connection pipe 2 is connected to the dust receiving opening 11 through the feeder 10 so that the dust discharged from the dust discharge opening can be introduced into the feeder 10 through the first connection pipe 2. Feeder 10 has an air inlet 12, and external air can enter into feeder 10 through air inlet 12 and drive dust entering the inside of feeder 10 to move into dust tank 3. In actual practice, the feeder 10 may be a venturi feeder to allow dust discharged from the dust discharge port to rapidly enter the dust collection tank 3.
Specifically, as shown in fig. 2 and 3, the dust collecting tank 3 has a dust collecting chamber (not shown) and an ash inlet channel 13 inside, the dust collecting chamber includes a first cavity 14 and a second cavity 15, the first cavity 14 is located above the second cavity 15 and is communicated with the second cavity 15, the first cavity 14 is in the shape of a cylinder with a vertical axis, the second cavity 15 is in the shape of a cone tapering downward, and a dust discharge port 16 is formed at the bottom of the dust collecting tank 3. This enables the dust entering the dust collection tank 3 to move toward the dust discharge port 16 by gravity. As shown in fig. 3, the dust inlet passage 13 is shaped to extend along an arc, the dust inlet passage 13 is located above the first chamber 14, and has one end forming a dust receiving opening 11 on the surface of the dust collection tank 3 and the other end connected to the top end of the first chamber 14, dust entering from the dust receiving opening 11 can enter the first chamber 14 through the dust inlet passage 13, and dust entering the first chamber 14 can fall into the second chamber 15 and be discharged out of the dust collection tank 3 through the dust discharge opening 16. Since the ash inlet channel 13 is shaped to extend along an arc, a centrifugal force is generated when the ash inlet channel 13 moves, so that the dust in the ash inlet channel 13 can be conveniently collected in the first chamber 14, the working principle of the dust collector is the same as that of the cyclone dust collector in the prior art, and the detailed description is omitted.
Preferably, as shown in fig. 2, a rapping device 17 is provided on the side wall of the first cavity 14 for shaking off dust adhering to the side wall of the first cavity 14. This makes it possible to avoid the deposition of dust on the side walls of the first chamber 14, wherein the rapping device 17 is not the point of innovation of the present invention, but is a prior art, which is only utilized by the present invention, and it is not intended to be modified, in turn, to be given no more details here, both as to its structural form and as to its operating principle. In actual production, the number of rapping devices is more than two, and more than two rapping devices 17 are evenly arranged along the circumference of the first cavity 14. This can more effectively prevent dust from being deposited on the side walls of the first chamber 14.
More preferably, as shown in fig. 2, an air inlet through hole 18 allowing external air to enter is provided on a sidewall of the second chamber 15, and the external air can enter into the second chamber 15 through the air inlet through hole 18 and drive the dust entering the second chamber 15 to move toward the dust discharge port 16. This prevents the dust from accumulating in the second chamber 15, and allows the dust to be rapidly discharged through the dust discharge port 16. In actual manufacturing, the number of the air inlet through holes 18 is more than two, and the air inlet through holes 18 are evenly arranged along the circumferential direction of the second cavity 15.
As an embodiment, as shown in fig. 1, a dust discharge pipe 19 is further included. A dust discharge pipe 19 is located outside the dust collection tank 3 and connected to the dust discharge port 16 so that dust discharged from the dust discharge port 16 can be discharged to an external target location through the dust discharge pipe 19. Thus, dust can be directly conveyed to a target position through the dust discharge pipe 19, and pollution to the environment is avoided.
In practical implementation, a first dust driving device 20 is disposed on the dust discharge pipe 19 for driving the dust in the dust discharge pipe 19 to move away from the dust discharge port 16. In actual manufacturing, the first dust driving device 20 may be a duct aerator, but is not limited thereto, and any other device capable of achieving the object of the invention may be used.
Also, as shown in fig. 1, a pressure reducing device 21 may be disposed on the dust discharging pipe 19 to reduce the pressure of the fluid in the dust discharging pipe 19 on the inner wall of the dust discharging pipe 19. This eliminates the need for higher grade materials in the manufacture of the dust discharge pipe 19, primarily the pipe section downstream of the pressure reducing device 21, thereby reducing the cost of manufacture. Wherein the pressure reducing device 21 may be an angle valve or other device or structure capable of achieving the object of the invention.
Further, as shown in fig. 1, a second dust driving device 22 is provided on the dust discharge pipe 19 at a position close to the dust discharge port 16 to drive the dust discharged from the dust discharge port 16 to move in a direction away from the dust discharge port 16. This prevents the dust from accumulating in the dust discharge pipe 19 at a position close to the dust discharge port 16, and the dust in the dust collection tank 3 can be smoothly discharged from the dust discharge port 16. In practical manufacturing, the second dust driving device 22 may be a duct aerator, but is not limited thereto, and any other device capable of achieving the object of the invention may be used.
More preferably, as shown in fig. 1, a third dust driving device 23 is provided on the dust discharge pipe 19 at an end thereof away from the dust discharge port 16, and the third dust driving device 23 is capable of driving the dust in the dust discharge pipe 19 to be discharged from the dust discharge pipe 19. As shown in fig. 1, the end of the dust discharge pipe 19 remote from the dust discharge port 16 is a discharge port 28, and the third dust driving means 23 may include a flow passage 24 communicating with the dust discharge pipe 19 as shown in fig. 4. The flow passage 24 comprises a first section 25, a second section 26 and a third section 27 which are communicated in sequence, the first section 25, the second section 26 and the third section 27 are arranged in sequence and gradually approach towards the discharge port 28, that is, dust in the dust discharge pipe 19 enters the third dust driving device 23, then sequentially flows through the first section 25, the second section 26 and the third section 27, and then is discharged out of the dust discharge pipe 19 through the discharge port 28, wherein the axes of the first section 25, the second section 26 and the third section 27 are overlapped, the first section 25 is in a conical shape which is gradually reduced towards the second section 26, the second section 26 is in a cylindrical shape, and the third section 27 is in a conical shape which is gradually expanded towards the discharge port 28. With this structure, the movement speed of the dust can be increased when the dust flows through the flow passage 24, so that the dust can be rapidly discharged through the discharge port 28.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A processing system of high temperature flue gas which characterized in that:
the method comprises the following steps: the device comprises a separator (1), a first connecting pipe (2), an ash collecting tank (3) and a heat collecting device (4);
the separator (1) is provided with a flue gas inlet (5) and an ash outlet (6), and the separator (1) can separate dust in high-temperature flue gas entering the separator (1) from the flue gas inlet (5) and discharge the dust from the ash outlet (6);
the dust collecting tank (3) is provided with a dust receiving opening (11), and two ends of the first connecting pipe (2) are respectively connected to the dust discharging opening and the dust receiving opening (11), so that dust discharged from the dust discharging opening can enter the dust collecting tank (3) through the first connecting pipe (2);
the heat collecting device (4) is connected with the dust collecting tank (3) and is used for absorbing heat of dust entering the dust collecting tank (3).
2. The high-temperature flue gas treatment system according to claim 1, wherein:
the heat collecting device (4) comprises a liquid inlet pipe (7), a liquid outlet pipe (8) and a heat exchange body (9) which is abutted against the outer wall of the ash collecting tank (3);
feed liquor pipe (7) with drain pipe (8) are all connected on heat transfer body (9), and heat transfer medium passes through feed liquor pipe (7) enters into in the inner chamber of heat transfer body (9) to absorb and be located receive behind the heat of dust in ash jar (3) through drain pipe (8) carry outside target location.
3. The high-temperature flue gas treatment system according to claim 1, wherein:
further comprising a feeder (10);
the first connection pipe (2) is connected to the dust receiving opening (11) through the feeder (10) so that the dust discharged from the dust discharge opening can enter into the feeder (10) through the first connection pipe (2);
the feeder (10) is provided with an air inlet (12), external air can enter the feeder (10) through the air inlet (12), and dust entering the interior of the feeder (10) is driven to move into the dust collecting tank (3).
4. The high temperature flue gas treatment system according to any one of claims 1 to 3, wherein:
the dust collecting tank (3) is internally provided with a dust collecting cavity and a dust inlet channel (13);
the dust collection cavity comprises a first cavity (14) and a second cavity (15), the first cavity (14) is positioned above the second cavity (15) and communicated with the second cavity (15), the first cavity (14) is in a cylindrical shape with a vertical axis, the second cavity (15) is in a conical shape with a downward tapered shape, and a dust discharge port (16) is formed at the bottom of the dust collection tank (3);
it is along the shape that the pitch arc extends to advance grey passageway (13), it is located to advance grey passageway (13) the top of first cavity (14), and one end is in the surface of receiving grey jar (3) forms dust receiving opening (11), and the other end is connected on the top of first cavity (14), follow the dust that dust receiving opening (11) got into can pass through advance grey passageway (13) and enter into in first cavity (14), enter into the dust of first cavity (14) can fall into in second cavity (15), and follow dust discharge port (16) are discharged outside receiving grey jar (3).
5. The high-temperature flue gas treatment system according to claim 4, wherein:
a rapping device (17) is arranged on the side wall of the first cavity (14) and is used for shaking off dust attached to the side wall of the first cavity (14).
6. The high-temperature flue gas treatment system according to claim 5, wherein:
the number of the rapping devices is more than two, and the more than two rapping devices (17) are uniformly distributed along the circumferential direction of the first cavity (14).
7. The high-temperature flue gas treatment system according to claim 4, wherein:
an air inlet through hole (18) allowing external air to enter is formed in the side wall of the second cavity (15), and the external air can enter the second cavity (15) through the air inlet through hole (18) and drive dust entering the second cavity (15) to move towards the dust discharge port (16).
8. The high-temperature flue gas treatment system according to claim 7, wherein:
the number of the air inlet through holes (18) is more than two, and the air inlet through holes (18) are uniformly distributed along the circumferential direction of the second cavity (15).
9. The high-temperature flue gas treatment system according to claim 4, wherein:
further comprising a dust discharge pipe (19);
the dust discharge pipe (19) is positioned outside the dust collection tank (3) and connected to the dust discharge port (16) so that dust discharged from the dust discharge port (16) can be discharged to an external target position through the dust discharge pipe (19);
a first dust driving device (20) is arranged on the dust discharge pipe (19) and used for driving the dust in the dust discharge pipe (19) to move towards the direction far away from the dust discharge port (16), and/or a pressure reducing device (21) is arranged on the dust discharge pipe (19) and used for reducing the pressure of the fluid in the dust discharge pipe (19) on the inner wall of the dust discharge pipe (19).
10. The high-temperature flue gas treatment system according to claim 4, wherein:
further comprising a dust discharge pipe (19);
the dust discharge pipe (19) is located outside the dust collection tank (3) and connected to the dust discharge port (16) so that dust discharged from the dust discharge port (16) can be discharged to an external target location through the dust discharge pipe (19);
a second dust driving device (22) is arranged on the dust discharge pipe (19) close to the dust discharge port (16) and used for driving the dust discharged from the dust discharge port (16) to move towards the direction far away from the dust discharge port (16), and/or a third dust driving device (23) is arranged on one end of the dust discharge pipe (19) far away from the dust discharge port (16), and the third dust driving device (23) can drive the dust in the dust discharge pipe (19) to be discharged from the dust discharge pipe (19).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221861511.9U CN217535930U (en) | 2022-07-19 | 2022-07-19 | Processing system of high temperature flue gas |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221861511.9U CN217535930U (en) | 2022-07-19 | 2022-07-19 | Processing system of high temperature flue gas |
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| CN217535930U true CN217535930U (en) | 2022-10-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115197755A (en) * | 2022-07-19 | 2022-10-18 | 北京航天迈未科技有限公司 | Processing system of high temperature flue gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115197755A (en) * | 2022-07-19 | 2022-10-18 | 北京航天迈未科技有限公司 | Processing system of high temperature flue gas |
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