CN217499034U - Dry sludge closed weighing and feeding device for fluidized bed boiler - Google Patents
Dry sludge closed weighing and feeding device for fluidized bed boiler Download PDFInfo
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- CN217499034U CN217499034U CN202221516846.7U CN202221516846U CN217499034U CN 217499034 U CN217499034 U CN 217499034U CN 202221516846 U CN202221516846 U CN 202221516846U CN 217499034 U CN217499034 U CN 217499034U
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Abstract
The utility model relates to the technical field of fluidized bed boiler equipment, in particular to a fluidized bed boiler dry sludge airtight weighing feeding device, which comprises a base, wherein the top of the base is provided with a screw conveyer main body, a screw rod is rotationally connected inside the screw conveyer main body, the bottom of the screw conveyer main body is rotationally connected with a cleaning door, one end of the cleaning door is provided with a connecting frame, a sealing gasket is arranged on the cleaning door, the outer wall of the screw conveyer main body is provided with a fixed rod, the inner side of the fixed rod is rotationally connected with the connecting frame, the outer wall of the fixed rod is provided with a second motor, one side of the second motor is connected with the connecting frame, the invention can rapidly clean and drop the materials bonded on the screw rod by arranging the cleaning door which can be automatically rotationally opened at the bottom of the screw conveyer main body and arranging a water nozzle which can automatically spray water at the top of the screw conveyer main body, the problem of residual material is difficult for the discharge in the screw conveyer main body is solved.
Description
Technical Field
The utility model relates to a fluidized bed boiler equipment technical field specifically is a fluidized bed boiler does airtight feeder of weighing of mud.
Background
At present, with the increasing of the number of urban residents, the yield of domestic sludge is also sharply increased, the difficulty in treatment is gradually increased, and the circulating fluidized bed boiler co-burns part of the domestic sludge, so that the problem of domestic sludge treatment is effectively solved, the environmental pollution is greatly reduced, and the waste of resources is avoided; the fluidized bed boiler is a boiler adopting a fluidized bed combustion mode.
The weighing and feeding of the dry sludge of the fluidized bed boiler are carried out by a screw conveyer, and the existing weighing screw conveyer has the following defects:
mud gets into fluidized bed boiler drying before the water content is big, has viscidity, can adhere to after screw conveyer shuts down weighing and remain in screw conveyer, takes place to dry and ties like mud, then is difficult to discharge, and the current screw conveyer of weighing is comparatively troublesome to the clearance of inside residual material.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fluidized bed boiler does airtight feeder that weighs of mud to solve the difficult discharged problem of residual material in the screw conveyer of weighing that proposes in the above-mentioned background art.
In order to realize the purpose, the utility model provides the following technical scheme, a fluidized bed boiler dry sludge closed weighing and feeding device, which comprises a base, wherein the top of the base is provided with a screw conveyor main body, a screw rod is rotatably connected inside the screw conveyor main body, the bottom of the screw conveyor main body is rotatably connected with a cleaning door, one end of the cleaning door is provided with a connecting frame, a sealing gasket is arranged on the cleaning door, the outer wall of the screw conveyor main body is provided with a fixed rod, the inner side of the fixed rod is rotatably connected with the connecting frame, the outer wall of the fixed rod is provided with a second motor, one side of the second motor is connected with the connecting frame, the upper end of the screw conveyor main body is provided with a flow dividing pipe, a water pump is arranged on the flow dividing pipe, one side of the water pump is provided with a water supply pipe, the lower end of the water supply pipe is connected with the flow dividing pipe, the top of the screw conveyor main body is provided with a through hole, the water spray nozzle is inserted into the through hole, the upper end of the water spray nozzle is connected with the flow dividing pipe, a groove is formed in the inner side wall of the water spray nozzle, a supporting spring and a first baffle are arranged inside the groove, the water spray nozzle and the first baffle form a rotating connection, the supporting spring is connected to the bottom of the first baffle, and the lower end of the supporting spring is fixedly connected with the water spray nozzle.
Preferably, the top of the base is provided with a speed reducing motor, one side of the speed reducing motor is provided with a coupler, and the speed reducing motor is connected with the screw rod through the coupler.
Preferably, a support is arranged on the base, a weighing sensor is arranged on the inner side of the support, and the weighing sensor is located at the tail end of the spiral conveyor main body.
Preferably, a blanking auxiliary plate is arranged at the bottom of the base, and second baffles are arranged at the front end and the rear end of the blanking auxiliary plate.
Preferably, the top and the bottom of the screw conveyor main body are respectively provided with a feeding hole and a discharging hole, and the discharging hole is positioned on one side of the cleaning door.
Preferably, the outer wall of the feed inlet is provided with a first motor, a groove is formed in the inner side wall of the feed inlet, a sealing plate is rotatably connected inside the groove, the sealing plate is distributed in a bilateral symmetry mode about a bisector of the feed inlet, and one end of the sealing plate is connected with the first motor.
Preferably, the second baffle and the blanking auxiliary plate are both of an inclined structure, and the height of the blanking auxiliary plate close to the discharge port end is higher than the height of the blanking auxiliary plate far away from the discharge port end.
Compared with the prior art, the beneficial effects of the utility model are that: this airtight feeder that weighs of fluidized bed boiler dry sludge is through setting up the clearance door that can rotate the opening automatically in screw conveyer main part bottom, set up the water spout that can spray water automatically at screw conveyer main part top, water spout blowout water to screw conveyer main part inner wall, and on the inside hob of screw conveyer main part, the material clearance with bonding on the hob drops to the clearance door on, the unable exhaust material of discharging drops downwards on the clearance door after will opening the clearance door afterwards and collects inside the unloading accessory plate, the left side of unloading accessory plate is concentrated afterwards and is waited the clearance, thereby solve the difficult exhaust problem of residual material in the screw conveyer main part.
Drawings
FIG. 1 is a schematic structural view of a fluidized bed boiler dry sludge closed weighing and feeding device of the present invention;
FIG. 2 is an enlarged schematic structural view of the fluidized bed boiler dry sludge airtight weighing and feeding device at the position A in FIG. 1;
FIG. 3 is a sectional view of the screw conveyor main body of the fluidized bed boiler dry sludge closed weighing and feeding device of the utility model;
FIG. 4 is a schematic view of the internal structure of a water nozzle of the dry sludge closed weighing and feeding device of the fluidized bed boiler of the present invention;
fig. 5 is the left side view of the blanking auxiliary plate of the dry sludge airtight feeding device of the fluidized bed boiler.
In the figure: 1. the automatic feeding device comprises a coupler, 2, a base, 3, a screw rod, 4, a water spray nozzle, 5, a cleaning door, 6, a discharge hole, 7, a speed reducing motor, 8, a screw conveyor body, 9, a sealing plate, 10, a feeding hole, 11, a water pump, 12, a water feeding pipe, 13, a shunt pipe, 14, a support, 15, a weighing sensor, 16, a first motor, 17, a sealing gasket, 18, a fixing rod, 19, a second motor, 20, a connecting frame, 21, a supporting spring, 22, a first baffle, 23, a blanking auxiliary plate, 24 and a second baffle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a fluidized bed boiler dry sludge closed weighing and feeding device comprises a base 2, wherein a spiral conveyor main body 8 is arranged at the top of the base 2, the base 2 and the spiral conveyor main body 8 are fixed through bolts, a spiral rod 3 is rotatably connected inside the spiral conveyor main body 8, the spiral conveyor main body 8 and the spiral rod 3 are connected through a bearing, a speed reducing motor 7 is arranged at the top of the base 2, the base 2 and the outer wall of the speed reducing motor 7 are fixed through screws, a coupler 1 is arranged on one side of the speed reducing motor 7, a coupler 1 is arranged on the right side of the speed reducing motor 7, the spiral rod 3 is arranged on the right side of the coupler 1, and the speed reducing motor 7 and the spiral rod 3 are connected through the coupler 1;
a support 14 is arranged on the base 2, the base 2 and the support 14 are welded and fixed, a weighing sensor 15 is arranged on the inner side of the support 14, the support 14 and the weighing sensor 15 are fixed through screws, the weighing sensor 15 can meet the weighing requirement of materials in the spiral conveyor main body 8, the weighing sensor 15 is located at the tail end of the spiral conveyor main body 8, and the weighing sensor 15 is located on the right side of the spiral conveyor main body 8; a blanking auxiliary plate 23 is arranged at the bottom of the base 2, the blanking auxiliary plate 23 is arranged on the ground, second baffles 24 are arranged at the front end and the rear end of the blanking auxiliary plate 23, and the blanking auxiliary plate 23 and the second baffles 24 are welded and fixed; the second baffle 24 and the blanking auxiliary plate 23 are both in an inclined structure, and the height of the end of the blanking auxiliary plate 23 close to the discharge port 6 is higher than the height of the end of the blanking auxiliary plate 23 far away from the discharge port 6; the blanking auxiliary plate 23 is arranged at the bottom of the base 2, the inclined second baffle plates 24 are arranged at the front end and the rear end of the blanking auxiliary plate 23, the blanking auxiliary plate 23 can collect sludge falling from the cleaning door 5, and the second baffle plates 24 can play a role of intercepting when the sludge falls downwards from the second baffle plates 24, so that the sludge is prevented from scattering;
the top and the bottom of the spiral conveyor main body 8 are respectively provided with a feeding hole 10 and a discharging hole 6, the spiral conveyor main body 8, the feeding hole 10 and the discharging hole 6 are welded into a whole, the inner structures of the feeding hole 10 and the discharging hole 6 are completely the same, so that a sealed space can be formed by the spiral conveyor main body 8, the discharging hole 6 is positioned on one side of the cleaning door 5, and the discharging hole 6 is positioned on the right side of the cleaning door 5;
the outer wall of the feed inlet 10 is provided with a first motor 16, the front end of the feed inlet 10 is fixed with the outer wall of the first motor 16 through a screw, a groove is formed in the inner side wall of the feed inlet 10, a sealing plate 9 is rotatably connected inside the groove, the feed inlet 10 is connected with the sealing plate 9 through a rotating shaft, the sealing plate 9 is distributed in bilateral symmetry about a bisector of the feed inlet 10, one end of the sealing plate 9 is connected with the first motor 16, and a shaft at the front end of the sealing plate 9 is connected with the first motor 16 through a coupling; the bottom of the spiral conveyor main body 8 is rotatably connected with a cleaning door 5, one end of the cleaning door 5 is provided with a connecting frame 20, the front end of the cleaning door 5 is welded with the connecting frame 20, a sealing gasket 17 is arranged on the cleaning door 5, the cleaning door 5 and the sealing gasket 17 are fixed through glue, and the sealing gasket 17 can increase the tightness between connecting gaps between the cleaning door 5 and the spiral conveyor main body 8 and avoid the phenomenon of material leakage; through the arrangement of the sealing plate 9 at the feeding hole 10, the sealing plate 9 is driven by the first motor 16 at the front end of the feeding hole 10, so that the feeding hole 10 can be opened and closed, the structures of the feeding hole 10 and the discharging hole 6 are completely the same, and the spiral conveyor main body 8 forms a closed space when the sealing plates 9 at the feeding hole 10 and the discharging hole 6 are both closed, so that when the spiral conveyor main body 8 is in an inoperative state, not only can dust be prevented from entering the spiral conveyor main body 8, but also impurities with heavier particles can be prevented from falling into the spiral conveyor main body 8 to damage the spiral conveyor main body 8, and the spiral conveyor main body 8 is protected;
the outer wall of the screw conveyor main body 8 is provided with a fixed rod 18, the front end of the screw conveyor main body 8 is welded with the fixed rod 18, the inner side of the fixed rod 18 is rotatably connected with a connecting frame 20, the fixed rod 18 and the connecting frame 20 form a rotary connection through a rotating shaft, the outer wall of the fixed rod 18 is provided with a second motor 19, the left side of the fixed rod 18 is fixed with the outer wall of the second motor 19 through a screw, one side of the second motor 19 is connected with the connecting frame 20, the right side of the second motor 19 is connected with a shaft on the connecting frame 20 through a coupler, the upper end of the screw conveyor main body 8 is provided with a shunt pipe 13, a gap is reserved between the screw conveyor main body 8 and the shunt pipe 13, the shunt pipe 13 is provided with a water pump 11, the shunt pipe 13 and the outer wall of the water pump 11 are fixed through a screw, one side of the water pump 11 is provided with a water supply pipe 12, the right side of the water pump 11 is in threaded connection with a water supply pipe 12, and the lower end of the water supply pipe 12 is connected with the shunt pipe 13, the water supply pipe 12 is in threaded connection with the flow dividing pipe 13, the top of the spiral conveyor main body 8 is provided with a through hole, the water spray nozzle 4 is inserted into the through hole, the spiral conveyor main body 8 and the water spray nozzle 4 are filled and sealed through glue, the upper end of the water spray nozzle 4 is connected with the flow dividing pipe 13, the upper end of the water spray nozzle 4 is welded and fixed with the flow dividing pipe 13, the inner side wall of the water spray nozzle 4 is provided with a groove, a supporting spring 21 and a first baffle 22 are arranged in the groove, the water spray nozzle 4 and the first baffle 22 form rotary connection, the water spray nozzle 4 is connected with the first baffle 22 through a rotating shaft, the bottom of the first baffle 22 is connected with the supporting spring 21, the first baffle 22 and the supporting spring 21 are fixed through glue, the lower end of the supporting spring 21 is fixedly connected with the water spray nozzle 4, and the lower end of the supporting spring 21 is welded and fixed with the water spray nozzle 4; through setting up first baffle 22 that can the pivoted at 4 inner walls of water jet, the left side bottom of first baffle 22 is connected with supporting spring 21, water in shunt tubes 13 can promote first baffle 22 and rotate downwards and open when flowing from 4 upper ends of water jet to down, and supporting spring 21 then is compression state, realize the flow of rivers from this, when shunt tubes 13 inside no rivers flow, the inside first baffle 22 of water jet 4 then does not have pressure to promote, first baffle 22 then the horizontal state is sealed with water jet 4, from this with water jet 4 and the inside separation of screw conveyer main part 8, the dust of mud etc. enters into inside water jet 4 when avoiding the inside mud of conveying of screw conveyer main part 8.
The working principle is as follows: when the fluidized bed boiler dry sludge closed weighing feeding device is used, the first motor 16 at the front end of the feeding port 10 and the discharging port 6 is started, the first motor 16 drives the sealing plate 9 to rotate, the sealing plate 9 is close to the inner sides of the feeding port 10 and the discharging port 6 and is accommodated in the inner walls of the feeding port 10 and the discharging port 6, the sludge enters the spiral conveyor main body 8 from the feeding port 10 after the feeding port 10 and the discharging port 6 are opened, the speed reducing motor 7 drives the spiral rod 3 to rotate, and the spiral rod 3 drives the sludge to move from left to right in the rotating process so that the sludge is discharged from the discharging port 6;
when the screw conveyor main body 8 is used, the screw conveyor main body 8 needs to be cleaned, the second motor 19 is started, the second motor 19 drives the connecting frame 20 to rotate, the connecting frame 20 drives the cleaning door 5 to be separated from the screw conveyor main body 8 in the rotating process, the cleaning door 5 slowly inclines, sludge accumulated on the cleaning door 5 falls down onto the blanking auxiliary plate 23, the sludge is gathered towards the left side along with the inclination angle of the blanking auxiliary plate 23, the cleaning door 5 is closed after the sludge accumulated on the cleaning door 5 is cleaned, then the water pump 11 is started, water generated after the water pump 11 is started flows into the water conveying pipe 12 and then flows to the shunt pipe 13 and then flows into the water spray nozzle 4, when the water flows into the water spray nozzle 4, the water flow pushes the first baffle 22 downwards, meanwhile, the support spring 21 is in a compressed state, and at the same time, the first baffle 22 is opened, rivers enter into the inside of screw conveyer main part 8 smoothly and the inside hob 3 contact of screw conveyer main part 8 inner wall and screw conveyer main part 8 to clearing up hob 3 and screw conveyer main part 8 inner walls, the clearance mud that drops falls on clearance door 5, afterwards will clear up door 5 open discharge mud can, this is exactly the theory of operation of this fluidized bed boiler dry sludge airtight feeder that weighs.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a fluidized bed boiler does airtight feeder that weighs of mud, includes screw conveyer main part (8) and connects on base (2), and screw conveyer main part (8) internal rotation is connected with hob (3), its characterized in that: the bottom of the spiral conveyor main body (8) is rotatably connected with a cleaning door (5), one end of the cleaning door (5) is provided with a connecting frame (20), and a sealing gasket (17) is arranged on the cleaning door (5);
a fixing rod (18) is arranged on the outer wall of the spiral conveyor main body (8), a connecting frame (20) is rotatably connected to the inner side of the fixing rod (18), a second motor (19) is arranged on the outer wall of the fixing rod (18), and one side of the second motor (19) is connected with the connecting frame (20);
screw conveyer main part (8) upper end is provided with shunt tubes (13), and is provided with water pump (11) on shunt tubes (13), water pump (11) one side is provided with flow pipe (12), and flow pipe (12) lower extreme is connected with shunt tubes (13), the through-hole has been seted up at screw conveyer main part (8) top, and the through-hole is inside to be inserted and is equipped with water spout (4), and water spout (4) upper end is connected with shunt tubes (13), water spout (4) inside wall is seted up flutedly, and the inside supporting spring (21) and first baffle (22) that are provided with of recess, and water spout (4) and first baffle (22) constitute to rotate and be connected, first baffle (22) bottom is connected with supporting spring (21), and supporting spring (21) lower extreme and water spout (4) fixed connection.
2. The dry sludge closed weighing and feeding device of the fluidized bed boiler as claimed in claim 1, characterized in that: a speed reducing motor (7) is arranged at the top of the base (2), and the speed reducing motor (7) is connected with the screw rod (3) through a coupler (1).
3. The dry sludge closed weighing and feeding device of the fluidized bed boiler as claimed in claim 1, characterized in that: the screw conveyor is characterized in that a support (14) is arranged on the base (2), a weighing sensor (15) is arranged on the inner side of the support (14), and the weighing sensor (15) is located at the tail end of the screw conveyor main body (8).
4. The dry sludge closed weighing and feeding device of the fluidized bed boiler as claimed in claim 1, characterized in that: the blanking auxiliary plate (23) is arranged at the bottom of the base (2), and second baffles (24) are arranged at the front end and the rear end of the blanking auxiliary plate (23).
5. The dry sludge closed weighing and feeding device of the fluidized bed boiler according to claim 1, characterized in that: the top and the bottom of the screw conveyor main body (8) are respectively provided with a feeding hole (10) and a discharging hole (6), and the discharging hole (6) is positioned on one side of the cleaning door (5).
6. The dry sludge closed weighing and feeding device of the fluidized bed boiler according to claim 5, characterized in that: the feed inlet (10) outer wall is provided with first motor (16), and feed inlet (10) inside wall has seted up the recess, and the inside rotation of recess is connected with closing plate (9), closing plate (9) are bilateral symmetry about the bisector of feed inlet (10) and distribute, and closing plate (9) one end is connected with first motor (16).
7. The dry sludge closed weighing and feeding device of the fluidized bed boiler as claimed in claim 4, wherein: the second baffle (24) and the blanking auxiliary plate (23) are both of an inclined structure, and the height of the end, close to the discharge hole (6), of the blanking auxiliary plate (23) is higher than the height of the end, far away from the discharge hole (6), of the blanking auxiliary plate (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221516846.7U CN217499034U (en) | 2022-06-16 | 2022-06-16 | Dry sludge closed weighing and feeding device for fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221516846.7U CN217499034U (en) | 2022-06-16 | 2022-06-16 | Dry sludge closed weighing and feeding device for fluidized bed boiler |
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| Publication Number | Publication Date |
|---|---|
| CN217499034U true CN217499034U (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221516846.7U Active CN217499034U (en) | 2022-06-16 | 2022-06-16 | Dry sludge closed weighing and feeding device for fluidized bed boiler |
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| CN (1) | CN217499034U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117550611A (en) * | 2023-11-07 | 2024-02-13 | 宁夏润阳硅材料科技有限公司 | Cold hydrogenation fluidization system with stable temperature and load |
-
2022
- 2022-06-16 CN CN202221516846.7U patent/CN217499034U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117550611A (en) * | 2023-11-07 | 2024-02-13 | 宁夏润阳硅材料科技有限公司 | Cold hydrogenation fluidization system with stable temperature and load |
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