CN216114011U

CN216114011U - Negative pressure control pipe in horizontal slag conveyer

Info

Publication number: CN216114011U
Application number: CN202122240731.1U
Authority: CN
Inventors: 殷宪响; 李茂辉; 李郑伟
Original assignee: Jiangsu Datun Power Engineering Co ltd
Current assignee: Jiangsu Datun Power Engineering Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-03-22
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a negative pressure control tube in a horizontal slag conveyer, which comprises a bottom plate, wherein a box body is arranged at the left end of the top of the bottom plate, a tail flue box is arranged at the right end of the top of the bottom plate, an exhaust pipe is arranged at the lower end of the right side wall of the tail flue box, a driving motor is arranged at the left end of the front surface of the box body, a conveying assembly is arranged in an inner cavity of the bottom plate, a feed pipe is arranged at the left end of the top of the box body, and the top of the box body is connected with the tail flue box through an air guide pipe. Thereby enabling the gas to be purified more thoroughly.

Description

Negative pressure control pipe in horizontal slag conveyer

Technical Field

The utility model relates to the technical field of control tubes of horizontal slag conveyors, in particular to a negative pressure control tube in a horizontal slag conveyor.

Background

Horizontal defeated sediment machine is circulating fluidized bed boiler's important auxiliary engine, plays the important function of outwards carrying the outer slag of arranging the boiler, and whether horizontal defeated sediment machine can normally operate, the environmental sanitation in the normal operating of direct influence boiler and the boiler room, horizontal defeated sediment machine when the operation, can produce certain raise dust inevitably, consequently need discharge the raise dust, but still have certain problem, specific problem as follows:

when the existing coal-fired boiler of a power plant normally operates, a tail flue of the boiler is in a strong negative pressure state, the negative pressure means suction force, the negative pressure suction force of the tail flue of the existing boiler is not used for other purposes except for smoke discharge, and in addition, the existing device generally directly discharges raised dust in a horizontal slag conveyor, so that a large amount of pollutants contained in the raised dust are polluted, and the environmental pollution is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a negative pressure control tube in a horizontal slag conveyor to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a negative pressure control pipe in horizontal slag conveyor, includes the bottom plate, the box is installed to the left end at bottom plate top, afterbody flue case is installed to the right-hand member at bottom plate top, the lower extreme of afterbody flue case right side wall is provided with the blast pipe, driving motor is installed to the positive left end of box, the inner chamber of bottom plate is provided with the conveying subassembly, the inlet pipe has been seted up to the left end at box top, the top of box is passed through the air duct and is connected with afterbody flue case, the outer wall of air duct is provided with the control valve, the one end at box top is provided with the controller, the lower extreme of box right side wall is provided with row's material pipe, the inner chamber of afterbody flue case is provided with the purification subassembly, the left end that purifies the subassembly is provided with coupling assembling.

Preferably, the conveying assembly comprises a driving gear, a driving shaft, a chain, a driven gear and a driven shaft, the driving shaft of the conveying assembly is located at the left end of the inner cavity of the box body, the front end of the driving shaft is connected with the power output end of the driving motor, the outer wall of the driving shaft is provided with the driving gear, the right end of the inner cavity of the box body is provided with the driven shaft, the outer wall of the driven shaft is provided with the driven gear, and the driven gear is connected with the driving gear through the chain.

Based on above-mentioned technical characteristics, start through driving motor and drive the driving shaft and rotate, the driving shaft drives the driving gear and rotates, under the cooperation of driven gear and driven shaft for the chain rotates and carries the work to the residue.

Preferably, receive the material subassembly including receiving the material frame, reserving the piece and the reservation groove, receive the material frame of material subassembly and be located the below of arranging the material pipe, the bottom of receiving the material frame is provided with the reservation piece, the reservation groove has been seted up to the inner chamber of bottom plate, and reserves the piece and is located between the reservation groove.

Based on above-mentioned technical characteristics, collect the residue through receiving the material frame, when collecting to a quantitative, outwards stimulate and receive the material frame, make the inner chamber of reserving the piece slippage reservation groove, conveniently will receive the material frame and dismantle and shift out the residue of inside.

Preferably, purify the subassembly and include arm-tie, first filter screen, active carbon adsorption net and second filter screen, the first filter screen that purifies the subassembly is located the lower extreme of afterbody flue incasement chamber, the afterbody flue incasement chamber of arm-tie top is provided with active carbon adsorption net, the afterbody flue incasement chamber of active carbon adsorption net top is provided with the second filter screen, the aperture of second filter screen is greater than first filter screen, the right-hand member of first filter screen, active carbon adsorption net and second filter screen stretches out afterbody flue case and is provided with the arm-tie.

Based on above-mentioned technical characteristics, the setting of second filter screen filters the large granule impurity in the gas, and the peculiar smell in the gas is adsorbed in the setting of active carbon adsorption net, and the setting of first filter screen filters the tiny particle impurity in the gas.

Preferably, coupling assembling includes connecting block and spread groove, coupling assembling's connecting block is located the left end of first filter screen, active carbon adsorption net and second filter screen, the left side wall of afterbody flue case inner chamber is provided with the spread groove that matches each other with the connecting block.

Based on above-mentioned technical characteristics, remove through pulling first filter screen, active carbon adsorption net and second filter screen right for the connecting block can break away from the inner chamber of spread groove, thereby conveniently dismantles and changes first filter screen, active carbon adsorption net and second filter screen.

Preferably, afterbody flue case right side wall is equidistant to be provided with spacing subassembly, spacing subassembly includes limiting plate and spring, the spring of spacing subassembly is located the top of arm-tie, the right-hand member of spring is provided with the limiting plate, and the limiting plate offsets with the arm-tie.

Based on the technical characteristics, when the pulling plate needs to be pulled to move, the limiting plate is twisted clockwise under the elastic force action of the spring to be separated from the pulling plate, so that the fixing effect on the pulling plate is unlocked.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the tail flue box of the boiler is in a strong negative pressure state, the negative pressure means suction force, raised dust is directly conveyed to an inner cavity of the tail flue box by using the air guide pipe for purification treatment, so that the box body is in the negative pressure state, large particle impurities contained in the dust are filtered by using the second filter screen, peculiar smell in the dust is adsorbed by using the activated carbon adsorption screen, small particle impurities contained in the dust are filtered by using the first filter screen, and therefore the gas can be purified more thoroughly;

(2) utilize limiting plate and spring unblock among the spacing subassembly to the fixed limiting displacement of arm-tie, stimulate the arm-tie right for drive first filter screen, active carbon adsorption net and second filter screen and remove, break away from the inner chamber of spread groove until the connecting block, be convenient for dismantle fast and change first filter screen, active carbon adsorption net and second filter screen, avoid long-term use the condition that the jam appears.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic front view of the present invention.

In the figure: 1. a transfer assembly; 101. a driving gear; 102. a drive shaft; 103. a chain; 104. a driven gear; 105. a driven shaft; 2. a material receiving assembly; 201. a material receiving frame; 202. reserving a block; 203. reserving a groove; 3. a base plate; 4. an exhaust pipe; 5. a purification assembly; 501. pulling a plate; 502. a first filter screen; 503. an activated carbon adsorption net; 504. a second filter screen; 6. a limiting component; 601. a limiting plate; 602. a spring; 7. a tail flue box; 8. a connecting assembly; 801. connecting blocks; 802. connecting grooves; 9. a control valve; 10. a discharge pipe; 11. a controller; 12. an air duct; 13. a feed pipe; 14. a box body; 15. the motor is driven.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention is shown: the utility model provides a negative pressure control pipe in horizontal slag conveyor, includes conveying assembly 1, receives material subassembly 2, bottom plate 3, blast pipe 4, purification subassembly 5, spacing subassembly 6, afterbody flue case 7, coupling assembling 8, air duct 9, row's material pipe 10, vacuum pump 11, exhaust tube 12, inlet pipe 13, box 14, driving motor 15.

The transmission assembly 1 comprises a driving gear 101, a driving shaft 102, a chain 103, a driven gear 104 and a driven shaft 105, the driving shaft 102 of the transmission assembly 1 is positioned at the left end of the inner cavity of the box body 14, the front end of the driving shaft 102 is connected with the power output end of the driving motor 15, the driving gear 101 is arranged on the outer wall of the driving shaft 102, the driven shaft 105 is arranged at the right end of the inner cavity of the box body 14, the driven gear 104 is arranged on the outer wall of the driven shaft 105, and the driven gear 104 is connected with the driving gear 101 through the chain 103;

the driving shaft 102 is driven to rotate by the activation of the driving motor 15, the driving shaft 102 drives the driving gear 101 to rotate, and the chain 103 is driven to rotate to convey the residue under the cooperation of the driven gear 104 and the driven shaft 105 (refer to fig. 1 in the attached drawing of the specification).

The receiving assembly 2 comprises a receiving frame 201, a reserved block 202 and a reserved groove 203, the receiving frame 201 of the receiving assembly 2 is positioned below the discharge pipe 10, the reserved block 202 is arranged at the bottom of the receiving frame 201, the reserved groove 203 is formed in the inner cavity of the bottom plate 3, and the reserved block 202 is positioned between the reserved grooves 203;

the residues are collected through the material receiving frame 201, when the residues are collected to a certain amount, the material receiving frame 201 is pulled outwards, the reserved block 202 slides out of the inner cavity of the reserved groove 203, and the material receiving frame 201 is convenient to disassemble and the residues inside the material receiving frame are convenient to move out (refer to fig. 1 and 3 in the attached drawings of the specification).

The left end of the top of the box body 14 is provided with a feeding pipe 13, the top of the box body 14 is connected with the tail flue box 7 through a gas guide pipe 12, the outer wall of the gas guide pipe 12 is provided with a control valve 9, one end of the top of the box body 14 is provided with a controller 11, the lower end of the right side wall of the box body 14 is provided with a discharging pipe 10, the inner cavity of the tail flue box 7 is provided with a purifying assembly 5, the purifying assembly 5 comprises a pulling plate 501 and a first filter screen 502, the purification assembly comprises an active carbon adsorption net 503 and a second filter screen 504, wherein the first filter screen 502 of the purification assembly 5 is positioned at the lower end of the inner cavity of the tail flue box 7, the active carbon adsorption net 503 is arranged in the inner cavity of the tail flue box 7 above the pull plate 501, the second filter screen 504 is arranged in the inner cavity of the tail flue box 7 above the active carbon adsorption net 503, the aperture of the second filter screen 504 is larger than that of the first filter screen 502, and the right ends of the first filter screen 502, the active carbon adsorption net 503 and the second filter screen 504 extend out of the tail flue box 7 and are provided with the pull plate 501;

the second filter screen 504 is arranged to filter large-particle impurities in the gas, the activated carbon adsorption screen 503 is arranged to adsorb odor in the gas, and the first filter screen 502 is arranged to filter small-particle impurities in the gas (see fig. 1 and 2 in the drawings of the specification).

The left end of the purification component 5 is provided with a connecting component 8, the connecting component 8 comprises a connecting block 801 and a connecting groove 802, the connecting block 801 of the connecting component 8 is positioned at the left ends of the first filter screen 502, the activated carbon adsorption screen 503 and the second filter screen 504, and the left side wall of the inner cavity of the tail flue box 7 is provided with the connecting groove 802 matched with the connecting block 801;

the first filter 502, the activated carbon adsorption net 503 and the second filter 504 are pulled to the right to move, so that the connecting block 801 can be separated from the inner cavity of the connecting groove 802, and the first filter 502, the activated carbon adsorption net 503 and the second filter 504 can be conveniently detached and replaced (refer to fig. 1 in the drawings of the specification).

The right side wall of the tail flue box 7 is provided with limiting components 6 at equal intervals, each limiting component 6 comprises a limiting plate 601 and a spring 602, the spring 602 of each limiting component 6 is positioned above the pull plate 501, the limiting plate 601 is arranged at the right end of the spring 602, and the limiting plates 601 abut against the pull plate 501;

when the pulling plate 501 needs to be pulled to move, the limiting plate 601 is twisted clockwise under the elastic force of the spring 602 to be separated from the pulling plate 501, so that the fixing effect on the pulling plate 501 is unlocked (refer to fig. 1, 2 and 3 in the drawings of the specification).

The working principle is as follows: when the dust collector is used, residues enter an inner cavity of a box body 14 through a feeding pipe 13, a driving motor 15 is started through a controller 11, the driving shaft 102 is driven to rotate by the driving motor 15 through a rotating shaft, the driving shaft 102 rotates to drive a driving gear 101 to rotate, the driving gear 101 rotates to drive a chain 103 to rotate and convey the residues under the matching of a driven gear 104 and a driven shaft 105, finally the residues enter an inner cavity of a material collecting frame 201 through a discharging pipe 10 to be collected uniformly, when a coal-fired boiler of a power plant operates normally, a tail flue box of the boiler is in a strong negative pressure state, the negative pressure means suction, at the moment, a control valve 9 is opened to suck dust in the inner cavity of the tail flue box 7 into the inner cavity of the tail flue box 7 through an air duct 12, large-particle impurities in gas are filtered when the dust passes through a second filter screen 504, and peculiar smell in the gas is adsorbed when the dust passes through an active carbon adsorption screen 503, when the dust passes through the first filter screen 502, small particle impurities contained in the gas are filtered, and finally, the dust in the box body 14 is directly discharged through the exhaust pipe 4, so that the box body 14 is in a negative pressure state, and after a period of use, the limiting plate 601 is twisted, so that the limiting plate is separated from the pull plate 501, the fixing effect on the pull plate 501 is removed, then the pull plate 501 is pulled rightwards, the first filter screen 502 is driven, the activated carbon adsorption screen 503 and the second filter screen 504 are driven to move rightwards until the connecting block 801 is separated from the inner cavity of the connecting groove 802, the first filter screen 502, the activated carbon adsorption screen 503 and the second filter screen 504 are conveniently disassembled and replaced, the blocking condition caused by long-term use is avoided, and the filtering effect of the device is reduced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. The utility model provides a negative pressure control pipe in horizontal slag conveyor, includes bottom plate (3), its characterized in that: the left end at the top of the bottom plate (3) is provided with a box body (14), the right end at the top of the bottom plate (3) is provided with a tail flue box (7), the lower end of the right side wall of the tail flue box (7) is provided with an exhaust pipe (4), the front left end of the box body (14) is provided with a driving motor (15), the inner cavity of the bottom plate (3) is provided with a conveying assembly (1), the left end at the top of the box body (14) is provided with an inlet pipe (13), the top of the box body (14) is connected with the tail flue box (7) through an air duct (12), the outer wall of the air duct (12) is provided with a control valve (9), one end at the top of the box body (14) is provided with a controller (11), the lower end of the right side wall of the box body (14) is provided with a discharge pipe (10), the inner cavity of the tail flue box (7) is provided with a purification assembly (5), the left end of the purification component (5) is provided with a connecting component (8).

2. The negative pressure control tube in the horizontal slag conveyor according to claim 1, wherein: conveying subassembly (1) includes driving gear (101), driving shaft (102), chain (103), driven gear (104) and driven shaft (105), driving shaft (102) of conveying subassembly (1) are located the left end of box (14) inner chamber, the front end of driving shaft (102) is connected with driving motor (15)'s power take off end, the outer wall of driving shaft (102) is provided with driving gear (101), the right-hand member of box (14) inner chamber is provided with driven shaft (105), the outer wall of driven shaft (105) is provided with driven gear (104), and driven gear (104) pass through chain (103) and are connected with driving gear (101).

3. The negative pressure control tube in the horizontal slag conveyor according to claim 1, wherein: install between afterbody flue case (7) and box (14) and receive material subassembly (2), receive material subassembly (2) including receiving material frame (201), reservation piece (202) and reserve groove (203), receive the below that material frame (201) of material subassembly (2) are located row material pipe (10), the bottom of receiving material frame (201) is provided with reservation piece (202), reserve groove (203) have been seted up to the inner chamber of bottom plate (3), and reserve piece (202) and be located between reserve groove (203).

4. The negative pressure control tube in the horizontal slag conveyor according to claim 1, wherein: purify subassembly (5) and include arm-tie (501), first filter screen (502), active carbon adsorption net (503) and second filter screen (504), first filter screen (502) that purify subassembly (5) are located the lower extreme of afterbody flue case (7) inner chamber, afterbody flue case (7) inner chamber of arm-tie (501) top is provided with active carbon adsorption net (503), afterbody flue case (7) inner chamber of active carbon adsorption net (503) top is provided with second filter screen (504), the aperture of second filter screen (504) is greater than first filter screen (502), the right-hand member of first filter screen (502), active carbon adsorption net (503) and second filter screen (504) stretches out afterbody flue case (7) and is provided with arm-tie (501).

5. The negative pressure control tube in the horizontal slag conveyor according to claim 1, wherein: coupling assembling (8) are including connecting block (801) and connecting groove (802), connecting block (801) of coupling assembling (8) are located the left end of first filter screen (502), active carbon adsorption net (503) and second filter screen (504), the left side wall of afterbody flue case (7) inner chamber is provided with connecting groove (802) that matches each other with connecting block (801).

6. The negative pressure control tube in the horizontal slag conveyor according to claim 4, wherein: afterbody flue case (7) right side wall is equidistant to be provided with spacing subassembly (6), spacing subassembly (6) are including limiting plate (601) and spring (602), spring (602) of spacing subassembly (6) are located the top of arm-tie (501), the right-hand member of spring (602) is provided with limiting plate (601), and limiting plate (601) offset with arm-tie (501).