CN209101325U - A kind of coal additive feeding device of coal-burning boiler - Google Patents

Abstract

The utility model discloses a kind of coal additive feeding devices of coal-burning boiler, including body, first chamber is equipped in body, body upper end is set there are two feeding inlet, first chamber bottom is equipped with discharge port, fixed block is fixedly connected between two feeding inlets, second chamber is equipped in fixed block, stirring parts are equipped in second chamber, stirring parts stir end and are arranged through first chamber top surface, and rotation is sequentially connected through driving member, driving member and stirring parts are equipped in second chamber, actuator is fixedly connected on body rear wall, actuator and driving member are sequentially connected.The utility model drives paddle drive roll to rotate simultaneously by driving motor, the coal additive and coal be added to feeding inlet is adequately stirred and is crushed, promote the utilization rate and efficiency of combustion of coal, push block is driven to move up and down by the cylinder in groove, promote the coal additive for being deposited in discharge outlet and coal mixture can be quickly through preventing discharge port from blocking.

Description

A kind of coal additive feeding device of coal-burning boiler

Technical field

The utility model relates to a kind of chargings of the coal additive of feeding device technical field more particularly to coal-burning boiler to fill It sets.

Background technique

Sodium in coal is an important factor for coal causes heat-transfer surface to stain in boiler combustion process, therefore, high sodium coal Burning is using being extremely limited, and in order to improve the utilization rate and efficiency of combustion of coal, a kind of method is that doping is stain wherein Property very weak coal, but when adulterating the coal co-fire of low contamination, the impurity of generation is more, easily adheres to the interior of boiler Easy cleaning, another method are not exactly to add various additives wherein on wall, need to carry out additive before charging It crushes and mixes, be then delivered in coal bunker again, carry out primary adequately mixing again together with coal, can coal be existed In combustion process more sufficiently.

Existing coal additive feeding device, is all that coal additive is directly added into coal bunker, is delivered to coal Coal pulverizer be easy to cause additive and coal to mix uneven in this way, and the utilization rate and efficiency of combustion of coal cannot be mentioned effectively It rises, and discharge port be easy to cause blocking, it is proposed that a kind of coal additive feeding device of coal-burning boiler solves the above problems.

Summary of the invention

Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of coal-burning boiler proposed Coal additive feeding device.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of coal additive feeding device of coal-burning boiler, including body, the body is interior to be equipped with first chamber, the machine Body upper end is set there are two feeding inlet, and the first chamber bottom is equipped with discharge port, is fixedly connected between two feeding inlets Fixed block, the fixed block is interior to be equipped with second chamber, and stirring parts are equipped in the second chamber, and stirring parts stirring end is run through The setting of first chamber top surface, the interior rotation of the second chamber, which runs through, is equipped with driving member, the driving member and stirring parts transmission connection, Actuator is fixedly connected on the body rear wall, the actuator and driving member are sequentially connected, set in the first chamber There are crushed piece and pushing piece, the actuator is arranged through body and is fixedly connected with crushed piece, and the pushing piece is close to discharging Mouth setting.

Preferably, the stirring parts include the worm screw being rotationally connected on second chamber top surface, the worm screw and driving member The lower end of transmission connection, the worm screw is arranged through the top surface of first chamber, and the worm screw is located at the annular side in first chamber More paddles are fixedly connected on wall, the more paddles are fixedly connected to hairbrush far from one end of worm screw.

Preferably, the driving member includes rotation through the first connecting rod being connected on rear side of second chamber on inner wall, institute The front inner wall of the front end and second chamber of stating first connecting rod is rotatablely connected, and the first connecting rod is located in second chamber Worm gear is fixedly and coaxially connected on one end, the worm gear is engaged with worm screw, and the first connecting rod is located at one outside second chamber Driven wheel is fixedly and coaxially connected on end, the driven wheel and actuator are sequentially connected.

Preferably, the actuator includes the driving motor being fixedly connected on body rear wall, the driving motor The second connecting rod is fixedly connected in drive shaft, second connecting rod is arranged and is fixedly connected with crushed piece, institute through body It states the second connecting rod and is located on extra-organismal one end and be fixedly and coaxially connected driving wheel, the driving wheel and driven wheel pass through belt Transmission connection.

Preferably, the crushed piece includes the drive roll being respectively fixedly connected in the second connecting rod and is rotationally connected with the Two driven vollers on one chamber front and rear sides inner wall are fixedly connected to crushing tooth on the drive roll and driven voller, adjacent Crushing tooth engagement on the drive roll and driven voller.

Preferably, the pushing piece includes the groove being set at left and right sides of first chamber on inner wall, and the groove is close Discharge port is arranged, and is fixedly connected with cylinder on the bottom of the groove, the upper end of the cylinder is fixedly connected with push block, described The inner wall of push block and groove is slidably connected.

The utility model compared with prior art, it has the advantage that:

1, paddle drive roll is driven to rotate simultaneously by driving motor, so that the coal additive and coal that are added from feeding inlet Charcoal adequately can be stirred and be crushed, and promote the utilization rate and efficiency of combustion of coal.

2, it drives push block to move up and down by the cylinder in groove, promotes the coal additive for being deposited in discharge outlet and coal Carbon mixture can be quickly through preventing discharge port from blocking.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of coal-burning boiler coal additive feeding device perspective diagram；

Fig. 2 is the partial enlarged view in Fig. 1 at A；

Fig. 3 be the utility model proposes a kind of coal-burning boiler coal additive feeding device schematic top plan view；

Fig. 4 is the partial enlarged view in Fig. 3 at B.

In figure: 1 body, 2 first chambers, 3 feeding inlets, 4 discharge ports, 5 fixed blocks, 6 second chambers, 7 stirring parts, 8 transmissions Part, 9 actuators, 10 crushed pieces, 11 pushing pieces, 12 worm screws, 13 paddles, 14 hairbrush, 15 first connecting rods, 16 worm gears, 17 from Driving wheel, 18 driving motors, 19 second connecting rods, 20 driving wheels, 21 drive rolls, 22 driven vollers, 23 crushing tooths, 24 grooves, 25 gas Cylinder, 26 push blocks.

Specific embodiment

The utility model preferred embodiment is described in detail below in conjunction with attached drawing:

Referring to Fig.1-4, the coal additive feeding device of a kind of coal-burning boiler, including body 1, body 1 is interior to be equipped with the first chamber Room 2,1 upper end of body are set there are two feeding inlet 3, and two feeding inlets 3 are respectively used to that coal and coal additive, first chamber 2 is added Bottom is equipped with discharge port 4, and discharge port 4 is connected to setting with boiler feed mouth, is fixedly connected with fixed block 5 between two feeding inlets 3, It is equipped with second chamber 6 in fixed block 5, stirring parts 7 are equipped in second chamber 6, stirring parts 7 stir end and run through 2 top surface of first chamber Setting, stirring parts 7 include the worm screw 12 being rotationally connected on 6 top surface of second chamber, and worm screw 12 and driving member 8 are sequentially connected, snail The lower end of bar 12 is arranged through the top surface of first chamber 2, is fixedly connected on the annular sidewall that worm screw 12 is located in first chamber 2 More paddles 13, more paddles 13 are fixedly connected to hairbrush 14 far from one end of worm screw 12, and hairbrush 14 is for clearing up the Attachment on two chambers, 6 inner wall.

Rotation is sequentially connected through driving member 8, driving member 8 and stirring parts 7 are equipped in second chamber 6, and driving member 8 includes turning It is dynamic to run through the first connecting rod 15 being connected on 6 rear side inner wall of second chamber, front end and the second chamber 6 of first connecting rod 15 Front inner wall is rotatablely connected, and has been fixedly and coaxially connected worm gear 16, worm gear on one end that first connecting rod 15 is located in second chamber 6 16 engage with worm screw 12, drive the worm screw 12 being engaged with to rotate by the rotation of worm gear 16, so that paddle 13 is driven to rotate, the Driven wheel 17 is fixedly and coaxially connected on one end that one connecting rod 15 is located at outside second chamber 6, driven wheel 17 and actuator 9 are driven It connects, actuator 9 is fixedly connected on 1 rear wall of body, actuator 9 and driving member 8 are sequentially connected, and actuator 9 includes fixing The driving motor 18 being connected on 1 rear wall of body, the model of driving motor 18 are as follows: Y132S1-2, the driving of driving motor 18 The second connecting rod 19 is fixedly connected on axis, the second connecting rod 19 is arranged and is fixedly connected with crushed piece 10, second through body 1 Driving wheel 20 is fixedly and coaxially connected on one end that connecting rod 19 is located at outside body 1, driving wheel 20 and driven wheel 17 pass through belt Transmission connection, belt transmission is the prior art, and this will not be repeated here.

Crushed piece 10 and pushing piece 11 are equipped in first chamber 2, actuator 9 is arranged through body 1 and consolidates with crushed piece 10 Fixed connection, pushing piece 11 are arranged close to discharge port 4, and crushed piece 10 includes being respectively fixedly connected in the active in the second connecting rod 19 Roller 21 and two driven vollers 22 being rotationally connected on 2 front and rear sides inner wall of first chamber, on drive roll 21 and driven voller 22 It is fixedly connected with crushing tooth 23, the crushing tooth 23 on adjacent drive rolls 21 and driven voller 22 engages, when so that drive roll 21 rotating It is able to drive the rotation of driven voller 22, to carry out pulverization process to coal and coal additive, pushing piece 11 includes being set to first Groove 24 on 2 left and right sides inner wall of chamber, groove 24 are arranged close to discharge port 4, are fixedly connected with gas on the bottom of groove 24 Cylinder 25, cylinder 25 are the prior art, and this will not be repeated here, and the upper end of cylinder 25 is fixedly connected with push block 26, push block 26 with The inner wall of groove 24 is slidably connected.

In the utility model, first coal and coal additive is passed through into two feeding inlets 3 respectively and is added to first chamber 2, Starting driving motor 18 simultaneously drives the second connecting rod 19 and drive roll 21 to rotate, so that the driving wheel 20 in the second connecting rod 19 It moves driven wheel 17 by belt driving band to rotate, to drive first connecting rod 15 to rotate, so that the drive of worm gear 16 is engaged with Worm screw 12 rotate, so that paddle 13 be driven to rotate, the rotation of drive roll 21 drives the driven voller 22 engaged by crushing tooth 23 Rotation enables the coal additive being added from feeding inlet 3 and coal adequately to stir and crush, then by groove 24 Cylinder 25 drives push block 26 to move up and down, and promotes the coal additive being deposited at discharge port 4 and coal mixture can be quick Pass through.

The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention, All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it It is interior.

Claims (6)

1. a kind of coal additive feeding device of coal-burning boiler, including body (1), which is characterized in that be equipped in the body (1) First chamber (2), body (1) upper end are set there are two feeding inlet (3), and first chamber (2) bottom is equipped with discharge port (4), it is fixedly connected with fixed block (5) between two feeding inlets (3), is equipped with second chamber (6) in the fixed block (5), Stirring parts (7) are equipped in the second chamber (6), stirring parts (7) the stirring end is arranged through first chamber (2) top surface, institute It states rotation in second chamber (6) to run through equipped with driving member (8), the driving member (8) and stirring parts (7) are sequentially connected, the machine It is fixedly connected with actuator (9) on body (1) rear wall, the actuator (9) and driving member (8) are sequentially connected, first chamber Be equipped with crushed piece (10) and pushing piece (11) in room (2), the actuator (9) through body (1) setting and with crushed piece (10) It is fixedly connected, the pushing piece (11) is arranged close to discharge port (4).

2. a kind of coal additive feeding device of coal-burning boiler according to claim 1, which is characterized in that the stirring parts It (7) include the worm screw (12) being rotationally connected on second chamber (6) top surface, the worm screw (12) and driving member (8) are sequentially connected, The lower end of the worm screw (12) is arranged through the top surface of first chamber (2), and the worm screw (12) is located at the ring in first chamber (2) More paddles (13) are fixedly connected on shape side wall, the one end of the more paddles (13) far from worm screw (12) is fixed to be connected It is connected to hairbrush (14).

3. a kind of coal additive feeding device of coal-burning boiler according to claim 2, which is characterized in that the driving member It (8) include rotation through the first connecting rod (15) being connected on rear side of second chamber (6) on inner wall, the first connecting rod (15) Front end and the front inner wall of second chamber (6) be rotatablely connected, the first connecting rod (15) is located at one in second chamber (6) It has been fixedly and coaxially connected on end worm gear (16), the worm gear (16) is engaged with worm screw (12), and the first connecting rod (15) is located at Second chamber (6) has been fixedly and coaxially connected driven wheel (17) on one end outside, and the driven wheel (17) and actuator (9) transmission connect It connects.

4. a kind of coal additive feeding device of coal-burning boiler according to claim 3, which is characterized in that the actuator (9) include the driving motor (18) being fixedly connected on body (1) rear wall, fixed in the drive shaft of the driving motor (18) It being connected with the second connecting rod (19), second connecting rod (19) is arranged through body (1) and is fixedly connected with crushed piece (10), Second connecting rod (19), which is located on the one end of body (1) outside, has been fixedly and coaxially connected driving wheel (20), the driving wheel (20) it is sequentially connected with driven wheel (17) by belt.

5. a kind of coal additive feeding device of coal-burning boiler according to claim 4, which is characterized in that the crushed piece It (10) include being respectively fixedly connected in the drive roll (21) on the second connecting rod (19) and before and after being rotationally connected with first chamber (2) Two driven vollers (22) on the inner wall of two sides are fixedly connected to crushing tooth on the drive roll (21) and driven voller (22) (23), crushing tooth (23) engagement on the adjacent drive roll (21) and driven voller (22).

6. a kind of coal additive feeding device of coal-burning boiler according to claim 1, which is characterized in that the pushing piece It (11) include the groove (24) being set at left and right sides of first chamber (2) on inner wall, the groove (24) sets close to discharge port (4) It sets, is fixedly connected with cylinder (25) on the bottom of the groove (24), the upper end of the cylinder (25) is fixedly connected with push block (26), the push block (26) and the inner wall of groove (24) are slidably connected.