CN115899734A - Pulverized coal boiler tail gas waste heat utilization device for pulverized coal preparation - Google Patents
Pulverized coal boiler tail gas waste heat utilization device for pulverized coal preparation Download PDFInfo
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- CN115899734A CN115899734A CN202211342804.0A CN202211342804A CN115899734A CN 115899734 A CN115899734 A CN 115899734A CN 202211342804 A CN202211342804 A CN 202211342804A CN 115899734 A CN115899734 A CN 115899734A
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Abstract
The invention discloses a pulverized coal boiler tail gas waste heat utilization device for pulverized coal preparation, which relates to the field of energy-saving devices and comprises a base, wherein a heat exchange mechanism is arranged on one side of the base, a double-layer heat exchange plate is arranged in the heat exchange mechanism, a returning mechanism is arranged on one side of the heat exchange mechanism, one side of the returning mechanism is communicated with an air inlet of a pulverized coal boiler, a filtering mechanism is arranged on one side of the heat exchange mechanism, and one side of the filtering mechanism is communicated with an air outlet of the pulverized coal boiler, and the filtering mechanism comprises a box body, a driving assembly, a transmission plate, a cleaning plate and a supporting frame; this a pulverized coal boiler tail gas waste heat utilization equipment for buggy preparation, through heat exchange mechanism time with partial heat transfer to clean air in it, send boiler one side back with hot-air through loopback mechanism, the tail gas after the cooling is derived from heat exchange mechanism one side, realizes the utilization of boiler tail gas waste heat, avoids the waste of energy, has improved the utilization ratio of the energy.
Description
Technical Field
The invention relates to an energy-saving device technology, in particular to a pulverized coal boiler tail gas waste heat utilization device for preparing pulverized coal.
Background
Pulverized coal fired boiler can produce a large amount of high temperature flue gas at the during operation, if do not handle the high temperature flue gas, if directly discharge to atmospheric, not only burn the pipeline, waste the heat that carries in the high temperature flue gas moreover, unsatisfied energy-concerving and environment-protective requirement.
The existing boiler tail gas waste heat utilization device often needs to filter smoke particles in the device when in use, and in the filtering process, pressed particles often can permeate into gaps of a filter plate and even block partial filter holes, so that the air flow circulation is blocked, heat energy of tail gas with heat is lost when the tail gas is filtered, and then the heat energy conversion rate of a heat exchange device is influenced.
Disclosure of Invention
The invention aims to provide a pulverized coal boiler tail gas waste heat utilization device for pulverized coal preparation, which aims to solve the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a pulverized coal boiler tail gas waste heat utilization equipment for buggy preparation, includes the base, heat exchange mechanism installs in base one side, and its inside is equipped with double-deck heat exchange plate, loopback mechanism and install in heat exchange mechanism one side, and its one side is linked together with pulverized coal boiler air inlet, filtering mechanism installs in heat exchange mechanism one side, and its one side is linked together with pulverized coal boiler gas outlet, filtering mechanism includes box, drive assembly, driving plate, cleaning plate and support frame, drive assembly is connected with driving plate one side, driving plate one side and cleaning plate inner wall sliding connection, cleaning plate one side and support frame inner wall sliding connection, drive assembly drive driving plate removes about along cleaning plate inner wall, and drive assembly synchronous drive driving plate reciprocates and drives cleaning plate and carry out reciprocating motion from top to bottom along the support frame inner wall.
Further, drive assembly includes the motor, motor one side and box one side fixed connection, motor output shaft one end runs through the box and rotates with box one side and be connected, motor output shaft one end fixedly connected with gear, the motor rotation drives the gear and rotates.
Furthermore, a tooth column is arranged on one side of the transmission plate, one side of the tooth column is connected with the gear in a meshed mode, an O-shaped sliding groove is formed in one side of the transmission plate, the inner wall of the O-shaped sliding groove is connected with one end of the gear in a rolling mode, and the gear rotates to drive the tooth column to be fixed and drive the transmission plate to move along the track of the O-shaped sliding groove.
Further, clean board one side fixedly connected with fixed plate, the fixed plate is equipped with a plurality of clean poles that are array distribution, clean pole one side fixed mounting has the cleaning head, support frame one side and box one side inner wall fixed connection.
Further, a filter plate is arranged in the box body, a dust collection bin is arranged below the filter plate, and one side of the dust collection bin is connected with the inner wall of the box body in a sliding mode.
Further, the filtering mechanism further comprises a knocking assembly, the knocking assembly comprises a knocking rod, a guide plate and an L-shaped rod, one side of the knocking rod is connected with the inner wall of the guide plate in a sliding mode, and one side of the guide plate is fixedly connected with the inner wall of one side of the box body.
Further, fixed block one is symmetrically and fixedly mounted on two sides of the knocking rod, a first supporting rod is connected to the inner wall of the fixed block in a rotating mode, a spring is sleeved on the first supporting rod, one end of the spring is fixedly connected with one side of the fixed block, a second supporting rod is connected to one end of the first supporting rod in a sliding mode, a second fixed block is connected to one end of the second supporting rod in a rotating mode, the other end of the spring is fixedly connected with one side of the fixed block, and one side of the fixed block is fixedly connected with the inner wall of one side of the box body.
Furthermore, L type pole one end and driving plate one side fixed connection, strike pole one end fixedly connected with stand.
Compared with the prior art, the pulverized coal boiler tail gas waste heat utilization device for pulverized coal preparation provided by the invention has the following beneficial effects: 1. this a pulverized coal boiler tail gas waste heat utilization equipment for buggy preparation, through when the boiler during operation, hot tail gas in it gets into among the filter mechanism, the filter filters the tail gas and goes into among the heat exchange mechanism, hot tail gas is through passing through heat exchange mechanism in with partial heat transfer to clean air in it, send back boiler one side with hot air through loopback mechanism, tail gas after the cooling is derived from heat exchange mechanism one side, realize the utilization of boiler tail gas waste heat, avoid the waste of energy, the utilization ratio of the energy has been improved.
2. This a pulverized coal boiler tail gas waste heat utilization equipment for buggy preparation, drive gear rotation through starter motor and drive the tooth post and drive the driving plate and reciprocate, thereby drive intermittent type reciprocating motion about the cleaning plate through the driving plate, the fixed plate that the cleaning plate removal drove its one side removes and drives the cleaning rod and carry out intermittent type reciprocating motion, and then clear up the filter surface through the cleaning head of cleaning rod one side, make on it absorbent smoke and dust fall into in the dust collecting bin of below, avoid the gap of filter or cross the filtration pore and block up and lead to the air current circulation to be obstructed, and then heat exchange device's heat energy conversion rate.
3. This a pulverized coal boiler tail gas waste heat utilization equipment for buggy preparation, through the drive plate about reciprocating motion drive with it fixed connection's L type pole reciprocating motion, the spring removes the atress and promotes to strike pole striking filter one side, make the particulate matter that exists in the filter gap by the partial vibrations and go out, at the particulate matter that goes out of shaking through the cleaning head brush, avoid the partial filtration pore that filters on the filter to be blockked up, thereby influence the filter effect, when the drive plate removes to the opposite side, the L type pole pulling stand of its one side removes to drive to strike the pole and remove to the opposite side, finally through striking pole striking cleaning plate one side, and then make the particulate matter that exists on the cleaning pole by the partial vibrations fall to the dust collection storehouse in, avoid too much smoke and dust granule of cleaning pole adhesion and then influence clean effect.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a perspective view of the overall structure provided by an embodiment of the present invention;
FIG. 2 is a perspective view of a heat exchange mechanism and a filter mechanism according to an embodiment of the present invention;
FIG. 3 is a perspective view of a filter mechanism according to an embodiment of the present invention;
FIG. 4 is a partial interior view of a filter mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a driving assembly and a knocking assembly provided in an embodiment of the present invention;
fig. 6 is an enlarged view of a in fig. 5 according to an embodiment of the present invention.
Description of reference numerals:
1. a base; 2. a heat exchange mechanism; 3. a loopback mechanism; 4. a filtering mechanism; 41. a box body; 411. a filter plate; 412. a dust collection bin; 42. a drive assembly; 421. a motor; 422. a gear; 43. a drive plate; 431. a tooth post; 432. an O-shaped chute; 44. cleaning the plate; 441. a fixing plate; 442. a cleaning rod; 45. a support frame; 46. a knocking component; 461. a knock bar; 462. a guide plate; 463. an L-shaped rod; 464. a first support rod; 465. a spring; 466. a second support rod; 467. and (4) a column.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1-5, a pulverized coal boiler tail gas waste heat utilization device for pulverized coal preparation comprises a base 1, a heat exchange mechanism 2 is installed on one side of the base 1, a double-layer heat exchange plate is arranged in the heat exchange mechanism, a loopback mechanism 3 is installed on one side of the heat exchange mechanism 2, and one side of the loopback mechanism is communicated with an air inlet of a pulverized coal boiler;
the filtering mechanism 4 is installed at one side of the heat exchange mechanism 2, and one side of the filtering mechanism 4 is communicated with an air outlet of the pulverized coal boiler, the filtering mechanism 4 comprises a box body 41, a driving component 42, a driving plate 43, a cleaning plate 44 and a supporting frame 45, the driving component 42 is connected with one side of the driving plate 43, one side of the driving plate 43 is connected with the inner wall of the cleaning plate 44 in a sliding way, one side of the cleaning plate 44 is connected with the inner wall of the supporting frame 45 in a sliding way, the driving component 42 comprises a motor 421, one side of the motor 421 is fixedly connected with one side of the box body 41, one end of an output shaft of the motor 421 penetrates through the box body 41 and is rotatably connected with one side of the box body 41, one end of the output shaft of the motor 421 is fixedly connected with a gear 422, the motor 421 rotates to drive the gear 422 to rotate, one side of the driving plate 43 is provided with a tooth column 431, one side of the tooth column 431 is connected with the gear 422 in a meshing way, one side of the driving plate 43 is provided with an O-shaped chute 432, the inner wall of the O-shaped chute 432 is connected with one end of the gear 422 in a rolling way, when the gear 422 rotates, the gear posts 431 are driven to a certain extent by the rotation of the gear 422 and the transmission plate 43 is driven to move along the track of the O-shaped sliding groove 432, when the gear 422 rotates, the gear posts 431 on the transmission plate 43 can move along one side of the gear 422, and the gear posts 431 move to drive the O-shaped sliding groove 432 on the transmission plate 43 to slide on one end of the gear 422, so that the transmission plate 43 horizontally moves to two ends of the stroke, one side of the cleaning plate 44 is fixedly connected with a fixing plate 441, the fixing plate 441 is provided with a plurality of cleaning rods 442 distributed in an array, one side of each cleaning rod 442 is fixedly provided with a cleaning head, one side of the support frame 45 is fixedly connected with the inner wall of one side of the box 41, the box 41 is internally provided with a filter plate 411, the lower part of the filter plate 411 is provided with a dust collection bin 412, one side of the dust collection bin 412 is slidably connected with the inner wall of the box 41, the gear 421 is driven by a starting motor to rotate, the gear 422 to drive the gear posts 431 to drive the transmission plate 43 to drive the cleaning plate 44 to move up and down intermittently and forth, the cleaning plate 44 moves to drive the fixing plate 441 at one side to move and drive the cleaning rod 442 to perform intermittent reciprocating movement, so that the surface of the filter plate 411 is cleaned by the cleaning head at one side of the cleaning rod 442, and the smoke adsorbed on the cleaning head falls into the dust collecting bin 412 below.
The second embodiment:
referring to fig. 6, the present embodiment provides a technical solution on the basis of the first embodiment: the filtering mechanism 4 further comprises a knocking component 46, the knocking component 46 comprises a knocking rod 461, a guide plate 462 and an L-shaped rod 463, one side of the knocking rod 461 is connected with the inner wall of the guide plate 462 in a sliding manner, one side of the guide plate 462 is fixedly connected with the inner wall of one side of the box body 41, fixing blocks I are symmetrically and fixedly arranged on two sides of the knocking rod 461, the inner wall of each fixing block I is rotatably connected with a supporting rod I464, a spring 465 is sleeved on each supporting rod I464, one end of the spring 465 is fixedly connected with one side of the fixed block, one end of the first support rod 464 is connected with the second support rod 466 in a sliding manner, one end of the second support rod 466 is connected with the second fixed block in a rotating manner, the other end of the spring 465 is fixedly connected with one side of the second fixed block, one side of the second fixed block is fixedly connected with the inner wall of one side of the box body 41, the knocking rod 461 moves, so that the spring 465 on the two sides of the knocking rod 461 is compressed, and after the spring 465 is compressed to the maximum stroke, the spring 465 releases the stress and pushes the knocking rod 461 to slide to one side and impact one side of the filter plate 411, one end of the L-shaped rod 463 is fixedly connected with one side of the transmission plate 43, one end of the knocking rod 461 is fixedly connected with the upright 467, the L-shaped rod 463 which is fixedly connected with the driving plate 43 is driven to reciprocate by the left-right reciprocating movement of the driving plate 43, the spring 465 releases the stress and pushes the knocking rod 461 to impact one side of the filter plate 411, so that the particles in the gap of the filter plate 411 are partially vibrated out, when the shaking particles are removed by the cleaning head brush, the filter effect is prevented from being influenced by blocking part of the filter holes on the filter plates 411, and when the driving plate 43 moves to the other side, the L-shaped rod 463 at one side pulls the upright post 467 to move so as to drive the knocking rod 461 to move towards the other side, and finally, the knocking rod 461 impacts one side of the cleaning plate 44, therefore, the particles on the cleaning rod 442 are partially shaken down into the dust collecting bin 412, and the cleaning rod 442 is prevented from being adhered with too many dust particles to affect the cleaning effect.
The working principle is as follows: when the boiler is used, when the boiler works, hot tail gas in the boiler enters the filtering mechanism 4, the filtering plate 411 filters the tail gas and then enters the heat exchange mechanism 2, partial heat of the hot tail gas is transferred to clean air in the hot tail gas when the hot tail gas passes through the heat exchange mechanism 2, the hot air is sent back to one side of the boiler through the returning mechanism 3, and the cooled tail gas is led out from one side of the heat exchange mechanism 2, so that the waste heat of the boiler tail gas is utilized;
in the starting process of the device, particulate matters in the tail gas can be filtered at one side of the filter plate 411, a large amount of smoke dust can be attached to the filter plate 411 in a long-term working state, the gear 422 is driven to rotate by the starting motor 421, when the gear 422 rotates automatically, the tooth column 431 on the transmission plate 43 can move along one side of the gear 422, and the tooth column 431 moves to drive the O-shaped chute 432 on the transmission plate 43 to slide at one end of the gear 422, so that when the transmission plate 43 moves horizontally to the two ends of the stroke, the tooth column 431 drives the transmission plate 43 to move up and down, the transmission plate 43 drives the cleaning plate 44 to move up and down intermittently and reciprocally, the cleaning plate 44 moves to drive the fixing plate 441 at one side of the cleaning plate to move and drive the cleaning rod 442 to intermittently and reciprocally move, the surface of the filter plate 411 is cleaned by the cleaning head at one side of the cleaning rod 442, and the smoke dust adsorbed on the cleaning plate falls into the dust collection bin 412 below;
the transmission plate 43 reciprocates left and right to drive the L-shaped rod 463 which is fixedly connected with the transmission plate to reciprocate, when the transmission plate 43 moves to one side, one side of the transmission plate pushes the knocking rod 461 to move, so that the springs 465 on two sides of the knocking rod 461 are compressed, and after the springs 465 are compressed to the maximum stroke, the springs 465 relieve stress and push the knocking rod 461 to slide to one side and impact one side of the filter plate 411, so that the particulate matters in the gap of the filter plate 411 are partially vibrated out, the vibrated particulate matters are brushed out by the cleaning head, and partial filter holes on the filter plate 411 are prevented from being blocked, thereby affecting the filter effect.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. The utility model provides a pulverized coal fired boiler tail gas waste heat utilization equipment for buggy preparation, includes base (1), its characterized in that:
the heat exchange mechanism (2) is arranged on one side of the base (1), and a double-layer heat exchange plate is arranged in the heat exchange mechanism (2);
the return mechanism (3) is arranged on one side of the heat exchange mechanism (2), and one side of the return mechanism (3) is communicated with an air inlet of the pulverized coal boiler;
filtering mechanism (4), filtering mechanism (4) are installed in heat exchange mechanism (2) one side, and its one side is linked together with pulverized coal boiler gas outlet, filtering mechanism (4) include box (41), drive assembly (42), driving plate (43), cleaning plate (44) and support frame (45), drive assembly (42) are connected with driving plate (43) one side, driving plate (43) one side and cleaning plate (44) inner wall sliding connection, cleaning plate (44) one side and support frame (45) inner wall sliding connection, drive assembly (42) drive driving plate (43) are removed about cleaning plate (44) inner wall, and drive assembly (42) synchronous drive driving plate (43) reciprocate and drive cleaning plate (44) and carry out reciprocating motion from top to bottom along support frame (45) inner wall.
2. The pulverized coal boiler tail gas waste heat utilization device for pulverized coal preparation according to claim 1, characterized in that the driving assembly (42) comprises a motor (421), one side of the motor (421) is fixedly connected with one side of the box body (41), one end of an output shaft of the motor (421) penetrates through the box body (41) and is rotatably connected with one side of the box body (41), one end of an output shaft of the motor (421) is fixedly connected with a gear (422), and the motor (421) rotates to drive the gear (422) to rotate.
3. The pulverized coal boiler tail gas waste heat utilization device for pulverized coal preparation as defined in claim 2, wherein a tooth column (431) is arranged on one side of the transmission plate (43), one side of the tooth column (431) is meshed with the gear (422), an O-shaped chute (432) is formed in one side of the transmission plate (43), the inner wall of the O-shaped chute (432) is connected with one end of the gear (422) in a rolling manner, and the gear (422) rotates to drive the tooth column (431) to be fixed and drive the transmission plate (43) to move along the track of the O-shaped chute (432).
4. The pulverized coal boiler tail gas waste heat utilization device for pulverized coal preparation as claimed in claim 1, wherein a fixing plate (441) is fixedly connected to one side of the cleaning plate (44), the fixing plate (441) is provided with a plurality of cleaning rods (442) distributed in an array manner, a cleaning head is fixedly mounted to one side of the cleaning rods (442), and one side of the support frame (45) is fixedly connected to the inner wall of one side of the box body (41).
5. The pulverized coal boiler tail gas waste heat utilization device for pulverized coal preparation as claimed in claim 1, wherein a filter plate (411) is arranged in the box body (41), a dust collection bin (412) is arranged below the filter plate (411), and one side of the dust collection bin (412) is slidably connected with the inner wall of the box body (41).
6. The pulverized coal boiler tail gas waste heat utilization device for pulverized coal preparation according to claim 1, characterized in that the filtering mechanism (4) further comprises a knocking assembly (46), the knocking assembly (46) comprises a knocking rod (461), a guide plate (462) and an L-shaped rod (463), one side of the knocking rod (461) is slidably connected with the inner wall of the guide plate (462), and one side of the guide plate (462) is fixedly connected with the inner wall of one side of the box body (41).
7. The pulverized coal fired boiler tail gas waste heat utilization device for pulverized coal preparation as claimed in claim 6, wherein fixing blocks I are symmetrically and fixedly mounted on two sides of the knocking rod (461), a stay rod I (464) is rotatably connected to the inner wall of the fixing block I, a spring (465) is sleeved on the stay rod I (464), one end of the spring (465) is fixedly connected with one side of the fixing block I, one end of the stay rod I (464) is slidably connected with a stay rod II (466), one end of the stay rod II (466) is rotatably connected with a fixing block II, the other end of the spring (465) is fixedly connected with one side of the fixing block II, and one side of the fixing block II is fixedly connected with the inner wall of one side of the box body (41).
8. The pulverized coal boiler tail gas waste heat utilization device for pulverized coal preparation as claimed in claim 6, wherein one end of the L-shaped rod (463) is fixedly connected with one side of the transmission plate (43), and one end of the knocking rod (461) is fixedly connected with the upright post (467).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211342804.0A CN115899734A (en) | 2022-10-31 | 2022-10-31 | Pulverized coal boiler tail gas waste heat utilization device for pulverized coal preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211342804.0A CN115899734A (en) | 2022-10-31 | 2022-10-31 | Pulverized coal boiler tail gas waste heat utilization device for pulverized coal preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115899734A true CN115899734A (en) | 2023-04-04 |
Family
ID=86490346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211342804.0A Pending CN115899734A (en) | 2022-10-31 | 2022-10-31 | Pulverized coal boiler tail gas waste heat utilization device for pulverized coal preparation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115899734A (en) |
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2022
- 2022-10-31 CN CN202211342804.0A patent/CN115899734A/en active Pending
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