Bypass device of slag crusher
By designing a bypass device for the slag crusher, and utilizing the switching of the work positions of the chute, the tilting screen, and the slag baffle, the problem of slag not being discharged when the slag crusher of the coal-fired boiler malfunctions is solved, and the timely discharge of slag is achieved, ensuring the normal operation of the boiler and reducing dust.
Patent Information
- Application Number
- CN202520605513.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-04-02
AI Technical Summary
When the ash crusher of a coal-fired boiler malfunctions, the ash cannot be discharged in time, forcing the boiler to shut down and affecting normal operation.
Design a bypass device for a slag crusher, including a chute, a tilting screen, a slag-blocking baffle plate, and a flap plate. By switching the work position, the screening channel during normal operation and the bypass channel during failure can be switched to ensure that the slag can be discharged in a timely manner.
In the event of a slag crusher malfunction, a bypass device is used to ensure timely discharge of slag, preventing slag buildup accidents, ensuring the normal operation of the boiler, reducing slag dust, and protecting the environment.
Smart Images
Figure CN223875214U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a slag crusher equipment technical field, especially a kind of by-pass device of slag crusher. BACKGROUND
[0002] At present, there are various forms of coal-fired boiler slag crusher, but all have a common problem, that is, the slag crusher has no bypass standby pipeline, once the slag crusher fails, the slag cannot be discharged in time, and the boiler can only be forced to smolder slag and reduce load. UTILITY MODEL CONTENTS
[0003] The utility model provides a kind of by-pass device of slag crusher, to solve the problem that slag cannot be discharged in time when coal-fired boiler slag crusher fails, thereby causing the boiler to be forced to smolder slag, to achieve the above-mentioned purpose, the technical scheme as follows is used:
[0004] A kind of by-pass device of slag crusher, including steel band machine and slag crusher, the discharge port of steel band machine is located above the feed inlet of slag crusher, the feed inlet of slag crusher is provided with a partition, for separating feed inlet into fine slag channel and coarse slag crushing channel, characterized by further comprising:
[0005] Chute, upper end is feed inlet, lower end extends below steel band machine shell, the feed inlet of chute is located between the discharge port of steel band machine and the feed inlet of slag crusher and located close to one side of fine slag channel;
[0006] Turnover screen, it is set between the discharge port of steel band machine and the feed inlet of slag crusher, the turnover screen is rotatably connected in steel band machine shell, and turnover screen is provided with two stations of filtration and turnover;
[0007] Slag baffle, steel band machine shell is provided with guide rail close to the side of discharge port of steel band machine in interior, the slag baffle is slidably connected with guide rail, and the slag baffle is further connected with traction device for driving the slag baffle to slide, and the slag baffle is provided with two stations of shielding and sliding out;
[0008] Flap, it is set at the side of the feed inlet of chute, rotatably connected in steel band machine shell, and provided with two stations of plugging and communication;
[0009] When the turnover screen is in filtration station, the slag baffle is in sliding station, and the flap is in plugging station, the discharge port of steel band machine, the turnover screen and the feed inlet of slag crusher form continuous filtration channel;
[0010] When the turnover screen is in turnover station, the slag baffle is in shielding station, and the flap is in communication station, the discharge port of steel band machine and the feed inlet of chute form continuous bypass channel.
[0011] Further, the traction device comprises a traction rope and a traction pulley, one end of the traction rope is fixedly connected with the slag blocking plug-in board, and the other end is an active end penetrating through the traction pulley.
[0012] Further, the turnover screen and the turnover plate are rotationally connected to the inside of the steel belt machine shell through the rotating shaft, and the rotating shaft is fixedly connected with the turnover handle outside the steel belt machine shell.
[0013] Further, the inside of the steel belt machine shell is fixedly connected with a limiting plate, the limiting plate is below the discharging port of the steel belt machine, the turnover screen is overlapped with the limiting plate when the turnover screen is in the filtering station, and the turnover screen is overlapped with the inner side wall of the steel belt machine shell when the turnover screen is in the turnover station.
[0014] Further, the outer side wall of the steel belt machine shell is fixedly connected with limiting nut one and limiting nut two, respectively used for limiting the counterclockwise rotation and clockwise rotation of the turnover handle connected with the turnover screen.
[0015] Further, the turnover plate is overlapped and connected with the feeding port at the upper end of the chute and the partition plate when the turnover plate is in the blocking and communication station.
[0016] Further, the outer side wall of the steel belt machine shell is fixedly connected with limiting nut three and limiting nut four, respectively used for limiting the counterclockwise rotation and clockwise rotation of the turnover handle connected with the turnover plate.
[0017] Further, the rotating shaft is further fixedly connected with a pointer, and the pointer is located outside the steel belt machine shell.
[0018] Further, a dust removal device is arranged at the discharging port at the lower end of the chute.
[0019] Further, the water mist dust removal device comprises a water spraying pipe, a spray head and a switch valve, one end of the water spraying pipe is connected with a water supply device, the other end extends into the inside of the chute, the spray head is provided with multiple groups, and each group of the spray head is located in the inside of the chute and connected with the water spraying pipe.
[0020] The utility model discloses beneficial effect lies in:
[0021] 1. setting up the chute as the slag discharge bypass channel, and through the selection of the slag blocking plug-in board, the turnover screen and the turnover plate station, the switching of the steel belt machine-screen screening-filtering channel and the steel belt machine-chute bypass channel can be realized, when normal operation, switching to the filtering channel, the normal realization of the screening crushing of slag material can be realized, when the slag crusher fails and blocks slag, switching to the bypass channel, the slag material conveyed by the steel belt machine is discharged to the outside through the chute, avoiding the load reduction or shutdown accident caused by the slag, guaranteeing the normal operation of the boiler.
[0022] 2. The turnover screen and the turnover handle are connected with turnover handle, and the limiting nut for limiting the turnover handle is arranged on the steel belt machine shell, the rotation of the turnover handle can be limited by installing bolt on the limiting nut, so that the stability of the corresponding work position state of the turnover screen and the turnover plate is ensured.
[0023] 3. A dust removal device is arranged at the discharge port of the chute, and when the material is blocked, the dust removal device is used to remove dust from the slag, thereby reducing the influence of dust on the working environment. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 It is a structural schematic diagram of the utility model
[0025] Figure 2 It is Figure 1 It is a local enlarged structural schematic diagram of the state without section at A in the middle
[0026] Figure 3 It is Figure 1 It is a local enlarged schematic diagram of the state without section at B in the middle
[0027] Among them:
[0028] 1-steel belt machine, 2-broken slag machine, 3-steel belt machine shell, 4-turnover screen, 5-slideway, 6-slag blocking plug-in plate, 7-pulling rope, 8-pulling pulley, 9-turnover plate, 10-limiting plate, 11-separating plate, 12-fine slag channel, 13-coarse slag crushing channel, 14-chute, 15-water spraying pipe, 16-on-off valve, 17-receiving hopper, 18-cold slag tank, 19-bracket, 20-rotating shaft one, 21-turnover handle one, 22-needle one, 23-nut one, 24-nut two, 25-rotating shaft two, 26-turnover handle two, 27-needle two, 28-nut three, 29-nut four. DETAILED DESCRIPTION
[0029] Exemplary embodiments of the present disclosure will be described in greater detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure can be more thoroughly understood and the scope of the present disclosure can be accurately conveyed to those skilled in the art.
[0030] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the view direction or positional relationship, and is only for the convenience of describing the utility model, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.
[0031] As shown in Figures 1-3 A slag crusher bypass device, comprising a steel belt machine 1 and a slag crusher 2, the steel belt machine 1 is fixedly connected to the upper side of the slag crusher 2 through a support 19, and the conveying belt of the steel belt machine 1 is inclined upward from left to right, and the discharge port is located above the inlet of the slag crusher 2, and a partition plate 11 is arranged in the slag crusher 2 to divide the inlet of the slag crusher 2 into a fine slag channel 12 and a coarse slag crushing channel 13, and the partition plate 11 extends upward from the inlet of the slag crusher 2 by a certain height, and in addition, the device further comprises a chute 14 arranged below the steel belt machine 1 and on the left side of the slag crusher 2, and a path switching device for switching the communication between the steel belt machine 1 and the slag crusher 2 and the communication between the steel belt machine 1 and the chute 14.
[0032] As shown in Figure 1 The chute 14 is composed of an inclined section and a vertical section, the inclined section is parallel to the conveying belt of the steel belt machine 1, and the right side of the inclined section, i.e. the upper end inlet, is located between the discharge port of the steel belt machine 1 and the inlet of the slag crusher 2 in the height direction, and the upper end inlet of the chute 14 is located on the left side of the fine slag channel 12 of the slag crusher 2, and a receiving hopper 17 is arranged below the vertical section of the chute 14.
[0033] A dust removal device is further arranged at the lower outlet of the chute 14, the dust removal device comprises a water spraying pipe 15, a spray head and an on-off valve 16, one end of the water spraying pipe 15 is connected with a water supply device such as a water pump, the other end of the water spraying pipe 15 extends into the interior of the chute 14 and is horizontally distributed, a plurality of spray heads are arranged on the water spraying pipe 15 in the interior of the chute 14, and the spray heads spray water downward, and by arranging the dust removal device, the dust emission during slag discharge is reduced.
[0034] The path switching device comprises a turnover screen 4, a slag blocking plug plate 6 and a turnover plate 9, the turnover screen 4 is rotationally connected in the interior of a steel belt machine housing 3, and is located between the discharge port of the steel belt machine 1 and the inlet of the slag crusher 2 in the height direction, a limiting plate 10 is further fixedly connected to the inner wall of the steel belt machine housing 3, and the limiting plate 10 is located directly below the discharge port of the steel belt machine 1, the turnover screen 4 is provided with a filtering position and a turnover position, in the turnover position, as shown in Figure 1 the right side of the turnover screen 4 is lapped on the inner side wall of the steel belt machine housing 3, in the filtering position, the turnover screen 4 is counterclockwise turned until it is lapped on the limiting plate 10, and at this time, the turnover screen 4 is distributed vertically to the conveying belt of the steel belt machine 1; the slag blocking plug plate 6 is slidingly connected in the interior of the steel belt machine housing 3 along the length direction of the conveying belt of the steel belt machine 1, and is provided with a shielding position and a sliding-out position, in the shielding position, the left side of the slag blocking plug plate 6 is inclined downward to be located directly above the partition plate 11, in the sliding-out position, the slag blocking plug plate 6 slides out to the outside of the steel belt machine housing 3; the turnover plate 9 is rotationally connected in the interior of the steel belt machine housing 3 and is located on the right side of the upper end inlet of the chute 14, and the turnover plate 9 is provided with a blocking position and a communication position, in the communication position, as shown inFigure 1 As shown, at this time, one end of the flap 9 on the right side is overlapped on the partition plate 11, and in the blocking position, the flap 9 is counterclockwise rotated until the flap 9 is overlapped on the one end of the feeding port of the chute 14 to block the feeding port of the chute 14.
[0035] Specifically, as shown in Figure 1 and Figure 2 , the front and rear ends of the turnover screen 4 are rotationally connected to the inside of the steel belt machine shell 3 through the rotating shaft one 20, the rotating shaft one 20 extends out of the steel belt machine shell 3 by a certain length and is fixedly connected with the turnover handle one 21, the turnover handle one 21 can drive the turnover screen 4 to rotate, and the limiting nut one 23 and the limiting nut two 24 are fixedly connected on the outer wall of the steel belt machine shell 3, when the turnover screen 4 is in the filtering position, the turnover handle one 21 is located on the right side of the limiting nut two 24, at this time, the upper end of the turnover screen 4 is overlapped on the limiting plate 10 and cannot continue to rotate to the left (counterclockwise), by installing the bolt on the limiting nut two 24, the turnover handle one 21 can be prevented from rotating to the right (clockwise), when the turnover screen 4 is in the turnover position, the turnover handle one 21 is located below the limiting nut one 23, at this time, the upper end of the turnover screen 4 is overlapped on the right inner wall of the steel belt machine shell 3 and cannot continue to rotate to the right (clockwise), by installing the bolt on the limiting nut one 23, the turnover handle one 21 can be prevented from rotating to the left (counterclockwise), by the limiting nut one 23 and the limiting nut two 24, the position of the turnover screen 4 can be effectively controlled.
[0036] As shown in Figure 1 , the right part of the front and rear inner walls of the steel belt machine shell 3 is fixedly connected with the slide rail 5, the length of the slide rail 5 is distributed along the length direction of the conveying belt of the steel belt machine 1, and the right end of the slide rail 5 penetrates through the steel belt machine shell 3, the slag blocking plug plate 6 is slidably connected with the slide rail 5, the right end of the slag blocking plug plate 6 is connected with the traction device, the traction device includes the traction rope 7 and the traction pulley 8, the traction pulley 8 is rotationally connected to the bracket 19 and is located above the right side of the steel belt machine 1, one end of the traction rope 7 is fixedly connected with the slag blocking plug plate 6, and the other end can be connected with the driving device such as winch or pulled by hand after passing through the traction pulley 8, the slag blocking plug plate 6 can be driven to slide along the slide rail 5 through the traction rope 7, so that the two position states of the slag blocking plug plate 6 of shielding and sliding out are realized.
[0037] As shown in Figure 1 and Figure 3As shown, the flap 9 is rotatably connected to the inside of the steel belt machine shell 3 through the second rotating shaft 25, the second rotating shaft 25 extends out of the steel belt machine shell 3 by a certain length and is fixedly connected with the second turnover handle 26, the second turnover handle 26 can drive the second rotating shaft 25 and the flap 9 to rotate clockwise or counterclockwise, and the limiting nut three 28 and the limiting nut four 29 are also fixedly connected to the outer side wall of the steel belt machine shell 3, the flap 9 is in the blocking position state, the flap 9 overlaps the upper end of the chute 14, the flap 9 cannot continue to rotate counterclockwise, at this time the turnover handle 26 is located on the left side of the limiting nut four 29, by installing bolts on the limiting nut four 29, the second turnover handle 26 can be limited to prevent the second turnover handle 26 from rotating clockwise; the flap is in the communication position state, the flap 9 rotates clockwise until it overlaps the partition plate 11, at this time the flap 9 cannot continue to rotate clockwise, the second turnover handle 26 is located below the limiting nut three 28, by installing bolts on the limiting nut three 28, the second turnover handle 26 can be prevented from rotating counterclockwise.
[0038] In addition, the pointer one 22 and the pointer two 27 are also fixedly connected to the first rotating shaft 20 and the second rotating shaft 25 respectively, the pointer one 22 and the pointer two 27 are located outside the steel belt machine shell 3, the setting of the pointer can indicate the position state of the turnover screen 4 and the flap 9, and observation is facilitated.
[0039] The working principle of the device is as follows:
[0040] When the steel belt machine 1 and the slag crusher 2 are normally running, the slag blocking plug 6 is in the sliding-out position, the turnover screen 4 is in the filtering position, at this time the turnover screen 4 overlaps the limiting plate 10, and the first turnover handle 21 is limited to rotate clockwise by installing bolts on the limiting nut two 24, so as to maintain the filtering position state of the turnover screen 4, the flap 9 is in the blocking position, at this time the flap 9 overlaps the upper end of the chute 14, the second turnover handle 26 is limited to rotate clockwise by installing bolts on the limiting nut four 29, so as to maintain the blocking position state of the flap 9, at this time, the slag falls through the discharge port of the steel belt machine 1, and after being screened by the turnover screen 4, the large slag enters the coarse slag crushing channel 13 to be crushed and then enters the transition slag bin, and the small slag directly falls into the transition slag bin through the fine slag channel 12.
[0041] When the slag crusher 2 is blocked, first, the dust removal device is started, the bolts on the limiting nuts two 24 and the limiting nuts four 29 are removed, so that the turnover screen 4 and the turnover plate 9 can be rotated; then the turnover handle one 21 drives the turnover screen 4 to rotate clockwise until the turnover screen 4 is overlapped on the right side wall of the steel belt machine shell 3, which can also be observed through the pointer one 22, after the turnover is in place, the bolt is installed on the limiting nut one 23 to prevent the turnover screen 4 from rotating counterclockwise, and to ensure that the turnover screen 4 is in the turnover station; then the turnover handle two 26 drives the turnover plate 9 to rotate clockwise until the turnover plate 9 is overlapped on the partition plate 11, at this time, the bolt is installed on the limiting nut three 28 to limit the turnover plate 9 from rotating counterclockwise, and to ensure that the turnover plate 9 is in the communication station; finally, the traction rope 7 is loosened, the slag blocking plug plate 6 slides along the slide rail 5 to the shielding station under the gravity, at this time, the slag falls on the slag blocking plug plate 6 through the steel belt machine 1 and slides into the chute 14, and finally falls into the receiving hopper 17, realizing the slag discharge when the slag is abnormally blocked, so as to ensure the normal operation of the boiler and avoid the load reduction or shutdown accident caused by the slag blocking.
[0042] The above only describes the preferred embodiments of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements can be made, and these improvements should also be considered as the protection scope of the present application.
Claims
1. A slag crusher bypass device comprising a steel belt machine and a slag crusher, the discharge port of the steel belt machine being located above the feed port of the slag crusher, a partition plate being provided in the feed port of the slag crusher for partitioning the feed port into a fine slag passage and a coarse slag crushing passage, characterized in that, Also include: Chute, the upper end of the inlet, the lower end extends below the steel belt machine shell, the inlet of the chute between the discharge port of the steel belt machine and the inlet of the slag crusher and located near the fine slag channel side; Turnover screen, set between the discharge port of the steel belt machine and the inlet of the slag crusher, the turnover screen is rotatably connected inside the steel belt machine shell, and the turnover screen is provided with two stations of filtering and turnover; Slag baffle, the steel belt machine shell is provided with a guide rail on the side near the discharge port of the steel belt machine, the slag baffle is slidably connected with the guide rail, the slag baffle is further connected with a traction device for sliding the slag baffle, and the slag baffle is provided with two stations of shielding and sliding out; The turnover screen is in the filtering station, the slag baffle is in the sliding out station, and the turnover screen is in the sealing station. The turnover screen is in the turnover station, the slag baffle is in the shielding station, and the turnover screen is in the communication station. The traction device includes a traction rope and a traction pulley, one end of the traction rope is fixedly connected with the slag baffle, and the other end is an active end passing through the traction pulley.
2. A slag crusher bypass device according to claim 1, characterised in that The turnover screen and the turnover screen are rotatably connected inside the steel belt machine shell through the shaft, and the shaft is fixedly connected with the turnover handle outside the steel belt machine shell.
3. The slag crusher bypass device according to claim 1, characterized in that The steel belt machine shell is fixedly connected with a limiting plate inside, the limiting plate is below the discharge port of the steel belt machine, the turnover screen is in the filtering station, the turnover screen is lapped with the limiting plate, and the turnover screen is in the turnover station.
4. A slag crusher by-pass device according to claim 3, characterised in that The limiting nut one and the limiting nut two are fixedly connected on the outer wall of the steel belt machine shell, and are used for limiting the counterclockwise rotation and clockwise rotation of the turnover handle connected with the turnover screen.
5. A slag crusher bypass device according to claim 4, characterised in that The turnover screen is in the filtering station, the slag baffle is in the sliding out station, and the turnover screen is in the sealing station.
6. The slag crusher bypass device according to claim 3, characterized in that The limiting nut three and the limiting nut four are fixedly connected on the outer wall of the steel belt machine shell, and are used for limiting the counterclockwise rotation and clockwise rotation of the turnover handle connected with the turnover screen.
7. A slag crusher by-pass device according to claim 6, characterised in that The shaft is further fixedly connected with a pointer, and the pointer is located outside the steel belt machine shell.
8. The slag crusher bypass device according to claim 3, characterized in that The chute lower end of the discharge port is further provided with a dust removal device.
9. The slag crusher bypass device according to claim 1, characterized in that The dust removal device includes a water spray pipe, a spray head and a switch valve, one end of the water spray pipe is connected with a water supply device, the other end extends into the inside of the chute, the spray head is provided with a plurality of groups, and each group of spray heads is located inside the chute and connected with the water spray pipe.
10. A slag crusher by-pass device according to claim 9, characterised in that