Household garbage incineration ash cooling device

Abstract

The invention discloses a household garbage incineration ash cooling device which comprises a shell, an inflation base plate is arranged at the position, corresponding to an ash outlet and located above a cooling gas inlet, of the bottom of an inner cavity of the shell, an inflation hole is formed in the inflation base plate, a main shaft is vertically arranged at the axis of the shell, and an air inlet is formed in the main shaft. One end of the main shaft movably penetrates through the inflation chassis and the bottom of the shell to be connected with the output end of the driving assembly, and an anti-blocking assembly is arranged on the outer wall of the main shaft. The anti-blocking assembly is arranged, the main shaft is driven by the driving assembly, the main shaft drives the slag blocking plate to push ash on the inflation base plate to an ash discharging opening to be discharged, meanwhile, a first rotating disc rotates intermittently, a first contact rod is jacked through a first arc-shaped protruding part, and the first contact rod drives a support to enable an ejector rod to enter and exit from an inflation hole; and ash entering the air inflation hole is ejected out of the air inflation hole, the influence on subsequent ash cooling is avoided, meanwhile, the ash discharging effect of the slag baffle is improved, and waste of the ash is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to incineration ash treatment technical field, specifically to a kind of domestic waste incineration ash cooling device. BACKGROUND

[0002] At present, when treating domestic waste by incineration method, ash and fly ash can be obtained, wherein, for ash, it can be cooled and then sent to raw material grinding workshop of cement production line as part of raw material for batching and raw material preparation. At present, ash is generally cooled by cooling device.

[0003] A kind of waste incineration ash cooling device is disclosed in application No.CN201210236650.7, the cooling device discloses: a kind of waste incineration ash cooling device, including cooling device shell, into ash port, hot air outlet, ash outlet and cooling fan, it is characterized in that it further includes the aeration bottom plate located at the bottom of cooling device and the dam board for being set on aeration bottom plate, the aeration bottom plate is connected with cooling fan, and is located above ash outlet;The dam board is fixed in the inside of cooling device shell, the aeration bottom plate can be rotated by transmission motor;The aeration bottom plate is split assembly or integral casting, and small aeration holes are opened on it.

[0004] Although the above-mentioned cooling device does not use water source to cool ash, so that the cooled ash does not carry moisture, which is convenient for subsequent ash treatment, but under the action of gas sprayed by small aeration holes, part of ash is blown and dispersed to move upward, when subsequent small aeration holes no longer emit gas, the upward moving ash falls down to aeration bottom plate, which causes part of ash to enter small aeration holes, resulting in the blockage of small aeration holes, which not only affects the subsequent ash cooling but also causes the waste of ash, and the upward moving ash blown and dispersed is also easy to be discharged from hot air outlet or remain on the outer wall of shell, causing the waste of ash resources. Therefore, we propose a kind of domestic waste incineration ash cooling device. SUMMARY

[0005] The present application aims to provide a kind of domestic waste incineration ash cooling device to solve the problems raised in the above background.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: A kind of domestic waste incineration ash cooling device, including shell, ash inlet and ash outlet are respectively arranged on the upper and lower ends of one side of the shell, cooling gas inlet is arranged on the lower end of the other side of the shell, aeration bottom plate is arranged at the bottom of the inner cavity of the shell corresponding to the ash outlet and above the cooling gas inlet, aeration holes are arranged on the aeration bottom plate, main shaft is vertically arranged at the center of the shell, one end of the main shaft is movably penetrated through the aeration bottom plate and the bottom of the shell and connected with the output end of the driving assembly, anti-blocking assembly is arranged on the outer wall of the main shaft; The anti-blocking assembly comprises a rotating disc I sleeved on the outer wall of the main shaft, a support frame movably sleeved on the outer wall of the main shaft and located between the rotating disc I and the inflatable base plate, an ejection rod provided on the support frame and corresponding to the position of the inflation hole, an elastic telescopic rod connecting the support frame and the inner wall of the bottom of the shell, a contact rod I sleeved on the fixed section of the elastic telescopic rod through a connecting frame and slidably abutting against the top of the rotating disc I, and an arc-shaped protrusion I provided on the rotating disc I and used for driving the contact rod I upward. The driving assembly drives the main shaft to rotate, the main shaft drives the rotating disc I to rotate, the rotating disc I intermittently drives the contact rod I upward through the arc-shaped protrusion I, and the contact rod I drives the ejection rod into the inflation hole through the elastic telescopic rod and the support frame.

[0007] Further improvement lies in that the other side upper end of the shell is provided with a hot gas exhaust port, the inner cavity of the shell and the position between the hot gas exhaust port and the ash inlet are provided with a screen plate, and the end of the main shaft away from the driving assembly movably penetrates the screen plate and is connected with a vibrating assembly for driving the screen plate to vibrate.

[0008] Further improvement lies in that the vibrating assembly comprises a rotating disc II sleeved on the outer wall of the main shaft, a T-shaped guide rod provided on the inner wall of the top of the shell and located on the same axis as the main shaft, a movable frame movably sleeved on the outer wall of the T-shaped guide rod, an elastic member sleeved on the outer wall of the T-shaped guide rod and used for connecting the inner wall of the top of the shell and the movable frame, a knocking ball provided on the lower end of the movable frame and abutting against the top surface of the screen plate, and a contact rod II vertically provided on the movable frame, the bottom end of the contact rod II slidably abutting against the top surface of the rotating disc II, and the top surface of the rotating disc II being provided with an arc-shaped protrusion II for driving the contact rod II to move upward.

[0009] Further improvement lies in that the shell is arranged on the base, the driving assembly comprises a rotating device arranged on the base, the output end of the rotating device is provided with a driving gear, and the outer wall of the main shaft is sleeved with a driven gear meshing with the driving gear.

[0010] Further improvement lies in that the outer wall of the main shaft and the position below the screen plate are provided with a scraper for cleaning the inner wall of the shell through a moving frame, the moving frame and the screen plate are connected through a tension spring, the moving frame is slidably arranged on the outer wall of the main shaft, the bottom of the moving frame is connected with a supporting rope at both ends, the end of the supporting rope away from the moving frame penetrates the outer wall of the main shaft and is connected with a main rope in the main shaft through a connecting piece, the connecting piece comprises a moving block connecting the supporting rope, a mounting column connecting the main rope and movably connected with the moving block through a bearing, the main rope extends out of the bottom of the main shaft and is wound on the outer wall of a one-way winding assembly, and the one-way winding assembly is arranged on the base.

[0011] Further improvement lies in that the one-way winding assembly comprises a mounting frame arranged on the base, a shaft body movably arranged on the mounting frame, a winding roller arranged at the bottom end of the shaft body for winding the main rope, a linkage gear arranged at the top end of the shaft body, and a gear with missing teeth arranged on the outer wall of the main shaft for driving the linkage gear to rotate, and a ratchet pawl assembly is arranged on the shaft body and the mounting frame to limit the rotating direction of the shaft body.

[0012] Further improvement lies in that the outer wall of the main shaft is provided with a through hole for the branch rope to pass through and a guide wheel for guiding the branch rope at the position above the inflatable bottom disc.

[0013] Further improvement lies in that the ratchet pawl assembly comprises a ratchet sleeve arranged on the outer wall of the shaft body and a pawl arranged on the mounting frame.

[0014] Further improvement lies in that a valve body is arranged on the ash inlet, the ash outlet, the cooling gas inlet and the hot gas outlet.

[0015] Further improvement lies in that the outer wall of the main shaft is provided with a slag blocking plate for pushing the ash on the inflatable bottom disc to the ash outlet when the main shaft is driven to rotate.

[0016] Compared with the prior art, the beneficial effects of the present application are: 1) The present application is provided with an anti-blocking assembly. When the cooled ash needs to be discharged, the main shaft is driven by the driving assembly, the main shaft drives the slag blocking plate to push the ash on the inflatable bottom disc to the ash outlet, and at the same time, the rotating disc is intermittently rotated by the arc convex part to drive the contact rod one, the contact rod one drives the bracket to make the ejection rod enter and exit the inflation hole, the ash in the inflation hole is ejected out of the inflation hole, the effect of the slag blocking plate discharging ash is improved, and the waste of ash is reduced. 2) The present application is provided with a separation net plate to block the upward discharge of part of the ash from the hot gas outlet under the blowing of the gas, and is provided with a vibration assembly to drive the separation net plate to vibrate when the main shaft rotates, so that the ash intercepted by the separation net plate falls downward onto the inflatable bottom disc, reducing the residue of ash in the shell and reducing the waste of ash. 3) The present application is provided with a scraper, a moving frame, a branch rope, a connecting piece, a main rope and a one-way winding assembly. The moving frame cleans the inner wall of the shell through the scraper when the main shaft rotates, and at the same time, the main rope is wound by the one-way winding assembly when the main shaft rotates, so that the connecting piece drives the branch rope to drive the moving frame to move downward intermittently, realizing the comprehensive cleaning of the inner wall of the shell, preventing part of the ash from being left on the inner wall of the shell under the blowing of the gas, further reducing the residue of ash in the shell and reducing the waste of ash. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The present application is a structural schematic diagram; Figure 2Structure cross-sectional view Figure 1 Structure cross-sectional view Figure 3 Structure cross-sectional view Figure 4 Structure cross-sectional view Figure 5 Structure cross-sectional view

[0018] In the figure: 1, the shell; 2, the ash inlet; 3, the ash outlet; 4, the cooling gas inlet; 5, the hot gas outlet; 6, the base; 7, the main shaft; 8, the drive assembly; 81, the rotating device; 82, the driving gear; 9, the aeration bottom plate; 10, the aeration hole; 11, the slag baffle; 12, the screen; 13, the rotating disc I; 14, the elastic telescopic rod; 15, the contact rod I; 16, the support frame; 17, the ejection rod; 18, the arc convex part I; 19, the movable frame; 20, the knocking ball; 21, the T-shaped guide rod; 22, the arc convex part II; 23, the rotating disc II; 24, the scraper; 25, the tension spring; 26, the support rope; 27, the missing tooth gear; 28, the winding roller; 29, the ratchet pawl assembly. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0020] Embodiment 1 Please refer to the attached Figures 1-3 A household garbage incineration ash cooling device, comprising a shell 1, the shell 1 is provided with an ash inlet 2 and an ash outlet 3 at the upper and lower ends of one side respectively, the shell 1 is provided with a cooling gas inlet 4 at the lower end of the other side, the cooling gas inlet 4 is connected to a gas source for supplying cooling gas, the shell 1 is provided with an aeration bottom plate 9 at the bottom of the inner cavity corresponding to the ash outlet 3 and above the cooling gas inlet 4, the aeration bottom plate 9 is provided with an aeration hole 10, the cooling gas enters the shell 1 through the cooling gas inlet 4 and then passes through the aeration hole 10 on the aeration bottom plate 9 to cool the ash on the aeration bottom plate 9, and valve bodies are arranged on the ash inlet 2, the ash outlet 3, the cooling gas inlet 4 and the hot gas outlet 5; A main shaft 7 is vertically arranged at the center of the shell 1, one end of the main shaft 7 is movably penetrated through the aeration bottom plate 9 and the bottom of the shell 1 and connected to the output end of the drive assembly 8, and the outer wall of the main shaft 7 is provided with an anti-blocking assembly; wherein, The anti-blocking assembly comprises a rotating disc I 13 sleeved on the outer wall of the main shaft 7, a support frame 16 movably sleeved on the outer wall of the main shaft 7 and located between the rotating disc I 13 and the air charging tray 9, an ejection rod 17 provided on the support frame 16 and corresponding to the position of the air charging hole 10, an elastic telescopic rod 14 connecting the support frame 16 and the inner wall of the bottom of the shell 1, a contact rod I 15 sleeved on the fixed section of the elastic telescopic rod 14 through a connecting frame and slidably abutting against the top of the rotating disc I 13 at one end, and an arc-shaped protrusion I 18 provided on the rotating disc I 13 and used for driving the contact rod I 15 upward; The driving assembly 8 drives the rotation of the main shaft 7, the main shaft 7 drives the rotation of the rotating disc I 13, the rotating disc I 13 intermittently drives the upward movement of the contact rod I 15 through the arc-shaped protrusion I 18, the contact rod I 15 drives the ejection rod 17 into the air charging hole 10 through the elastic telescopic rod 14 and the support frame 16, when the cooled ash slag needs to be discharged from the ash slag discharge port 3, in order to avoid that the ash slag is in the air charging hole 10 and affects the subsequent cooling operation of the ash slag, the ash slag blocked in the air charging hole 10 can be ejected out of the air charging hole 10 by making the ejection rod 17 reciprocate in and out of the air charging hole 10, it should be noted that the ejection rod 17 moves upward to the highest point and is in the same plane as the top of the air charging tray 9, and moves downward to the lowest point and is below the bottom of the air charging tray 9.

[0021] As preferred, the outer wall of the main shaft 7 of the embodiment is provided with an ash blocking plate 11, which is used for pushing the ash on the air charging tray 9 to the ash slag discharge port 3 for discharge when the main shaft 7 rotates; Please refer to the accompanying Figure 4 As preferred, the other side upper end of the shell 1 is provided with a hot gas discharge port 5, the inner cavity of the shell 1 and located between the hot gas discharge port 5 and the ash slag inlet 2 is provided with a screen plate 12, the end of the main shaft 7 away from the driving assembly 8 movably penetrates the screen plate 12 and is connected with a vibration assembly for driving the screen plate 12 to vibrate. The hot wind after heat exchange with the cold wind and the hot ash slag is discharged from the hot gas discharge port 5 and can return to the waste incineration device or the air chamber for waste drying and incineration, or used for other purposes. The screen plate 12 is used for treating the hot wind, avoiding that part of the hot ash slag is blown out of the hot gas discharge port 5 when the cold wind blows during cooling, causing the hot gas discharge port 5 to be blocked and the like.

[0022] As preferred, the vibration assembly of the embodiment comprises the rotating disc two 23 sleeved on the outer wall of the main shaft 7, the T-shaped guide rod 21 arranged on the inner wall of the top of the shell 1 and in the same axis with the main shaft 7, the movable frame 19 movably sleeved on the outer wall of the T-shaped guide rod 21, the elastic member sleeved on the outer wall of the T-shaped guide rod 21 for connecting the inner wall of the top of the shell 1 and the movable frame 19, the knocking ball 20 arranged on the lower end of the movable frame 19 and abutting against the top surface of the screen plate 12, and the contact rod two vertically arranged on the movable frame 19, the bottom end of the contact rod two slidingly abutting against the top surface of the rotating disc two 23, and the top surface of the rotating disc two 23 being provided with the arc-shaped convex part two 22 for driving the contact rod two to move upward. The main shaft 7 drives the rotating disc two 23 to rotate, the rotating disc two 23 intermittently drives the contact rod two through the arc-shaped convex part two 22, so that the movable frame 19 moves upward along the T-shaped guide rod 21, thereby making the knocking ball 20 separate from the screen plate 12, when the arc-shaped convex part two 22 separates from the contact rod two, the movable frame 19 is reset under the action of the elastic member, thereby making the knocking ball 20 knock the screen plate 12, so that the ash blocked below the screen plate 12 falls downward.

[0023] As preferred, the shell 1 of the embodiment is arranged on the base 6, and the driving assembly 8 comprises the rotating device 81 arranged on the base 6, the output end of the rotating device 81 being provided with the driving gear 82, and the outer wall of the bottom of the main shaft 7 being sleeved with the driven gear engaged with the driving gear 82.

[0024] Please refer to the accompanying drawings Figure 5 As preferred, the outer wall of the main shaft 7 and below the screen plate 12 is provided with the scraper 24 for cleaning the inner wall of the shell 1 through the moving frame, the moving frame and the screen plate 12 are connected through the tension spring 25, the moving frame is slidingly arranged on the outer wall of the main shaft 7, specifically, the moving frame is slidingly connected with the vertical sliding slot of the outer wall of the main shaft 7 through the sliding block, so that the moving frame can move along the axis of the main shaft 7 while the main shaft 7 rotates to drive the moving frame to rotate; the bottom ends of the moving frame are connected with the supporting ropes 26, one end of the supporting rope 26 away from the moving frame penetrates through the outer wall of the main shaft 7 and is connected with the main rope in the main shaft 7 through the connecting member, the connecting member comprises the moving block connected with the supporting rope 26, the mounting column connected with the main rope and movably connected with the moving block through the bearing, the moving block is slidingly arranged in the inner cavity of the main shaft 7, through the connecting member, when the moving frame is driven to rotate by the main shaft 7, the moving block drives the supporting rope 26 to rotate relative to the mounting column, so that the main rope is not affected; the main rope extends from the bottom of the main shaft 7 and is wound on the outer wall of the one-way winding assembly, the one-way winding assembly is arranged on the base 6. The main rope is wound or unwound through the one-way winding assembly, so that the main rope drives the connecting member to drive the moving frame to move along the axis of the main shaft 7 through the supporting rope 26 or the tension spring 25, the position of the scraper 24 contacting the inner wall of the shell 1 is changed, so that the scraper 24 scrapes the ash remaining on the inner wall of the shell 1 from top to bottom in the process of rotating with the main shaft 7.

[0025] As preferred, the unidirectional winding assembly of the embodiment comprises a mounting frame arranged on the base 6, a shaft body movably arranged on the mounting frame, a winding roller 28 arranged at the bottom end of the shaft body for winding the main rope, a linkage gear arranged at the top end of the shaft body, and a cogwheel 27 arranged on the outer wall of the main shaft 7 for driving the linkage gear to rotate. The shaft body and the mounting frame are provided with a ratchet pawl assembly 29 for limiting the rotating direction of the shaft body, which comprises a ratchet arranged on the outer wall of the shaft body and a pawl arranged on the mounting frame. When the main shaft 7 rotates, the linkage gear is intermittently driven by the cogwheel 27 to rotate the shaft body, so that the shaft body drives the winding roller 28 to wind the main rope, thereby the main rope drives the moving frame to move downward by a distance through the connecting member and the rope support 26. The ratchet is automatically fixed to the ratchet after rotating, so that the tension spring 25 cannot drive the moving frame to reset upward during the non-engagement of the cogwheel 27 and the linkage gear, thereby the moving frame can drive the scraper 24 to gradually move downward to the desired position.

[0026] As preferred, the outer wall of the main shaft 7 is provided with a through hole for the rope support 26 to pass through and a guide wheel for guiding the rope support 26 at a position above the inflatable base 9. Through this arrangement, the rope support 26 can pull the moving frame downward to the top position of the inflatable base 9. It should be noted that a guide wheel for guiding the main rope can also be arranged on the mounting frame.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A municipal solid waste incineration ash cooling device, comprising a shell (1), wherein an ash inlet (2) and an ash outlet (3) are respectively provided at the upper and lower ends of one side of the shell (1), and a cooling gas inlet (4) is provided at the lower end of the other side of the shell (1). An inflatable base (9) is provided at the bottom of the inner cavity of the shell (1) corresponding to the ash outlet (3) and above the cooling gas inlet (4), and an inflation hole (10) is provided on the inflatable base (9). The device is characterized in that: The vertical shaft (7) is movably penetrated through the air charging base (9) and the bottom of the shell (1) and is connected with the output end of the driving assembly (8), and the outer wall of the shaft (7) is provided with an anti-blocking assembly. The anti-blocking assembly comprises a rotating disc I (13) sleeved on the outer wall of the shaft (7), a support frame (16) movably sleeved on the outer wall of the shaft (7) and located between the rotating disc I (13) and the air charging base (9), an ejection rod (17) provided on the support frame (16) and corresponding to the position of the air charging hole (10), an elastic telescopic rod (14) connecting the support frame (16) and the inner wall of the bottom of the shell (1), a contact rod I (15) sleeved on the fixed section of the elastic telescopic rod (14) through a connecting frame and slidably abutting against the top of the rotating disc I (13) at one end, and an arc convex portion I (18) provided on the rotating disc I (13) and used for driving the contact rod I (15) to move upward. The driving assembly (8) drives the shaft (7) to rotate, the shaft (7) drives the rotating disc I (13) to rotate and intermittently drives the contact rod I (15) to move upward through the arc convex portion I (18), so that the contact rod I (15) drives the ejection rod (17) to enter the air charging hole (10) through the elastic telescopic rod (14) and the support frame (16).

2. Cooling device according to claim 1, characterized in that The other side of the shell (1) is provided with a hot air outlet (5), the inner cavity of the shell (1) is provided with a screen plate (12) between the hot air outlet (5) and the ash inlet (2), and the end of the shaft (7) away from the driving assembly (8) is movably penetrated through the screen plate (12) and is connected with a vibration assembly for driving the screen plate (12) to vibrate.

3. Cooling device according to claim 2, characterized in that: The vibration assembly comprises a rotating disc II (23) sleeved on the outer wall of the shaft (7), a T-shaped guide rod (21) provided on the inner wall of the top of the shell (1) and located on the same axis as the shaft (7), a movable frame (19) movably sleeved on the outer wall of the T-shaped guide rod (21), an elastic member sleeved on the outer wall of the T-shaped guide rod (21) and used for connecting the inner wall of the top of the shell (1) and the movable frame (19), a knocking ball (20) provided on the lower end of the movable frame (19) and abutting against the top surface of the screen plate (12), and a contact rod II vertically provided on the movable frame (19), the bottom end of the contact rod II slidably abutting against the top surface of the rotating disc II (23), and the top surface of the rotating disc II (23) being provided with an arc convex portion II (22) for driving the contact rod II to move upward.

4. Cooling device according to claim 2, characterized in that: The shell (1) is arranged on the base (6), the driving assembly (8) comprises a rotating device (81) arranged on the base (6), the output end of the rotating device (81) is provided with a driving gear (82), and the outer wall of the bottom of the shaft (7) is sleeved with a driven gear meshing with the driving gear (82).

5. Cooling device according to claim 4, characterized in that: The outer wall of the main shaft (7) and the position below the screen plate (12) are provided with a scraper (24) for cleaning the inner wall of the shell (1), the moving frame and the screen plate (12) are connected by a tension spring (25), the moving frame is slidingly arranged on the outer wall of the main shaft (7), the bottom of the moving frame is connected with a supporting rope (26), one end of the supporting rope (26) away from the moving frame penetrates the outer wall of the main shaft (7) and is connected with a main rope in the main shaft (7) through a connecting piece, the connecting piece includes a moving block connected with the supporting rope (26), a mounting column connected with the main rope and movably connected with the moving block through a bearing, the main rope extends from the bottom of the main shaft (7) and is wound on the outer wall of a one-way winding assembly, and the one-way winding assembly is arranged on the base (6).

6. Cooling device according to claim 5, characterized in that: The one-way winding assembly includes a mounting frame arranged on the base (6), a shaft body movably arranged on the mounting frame, a winding roller (28) arranged at the bottom end of the shaft body for winding the main rope, a linkage gear arranged at the top end of the shaft body, and a missing tooth gear (27) arranged on the outer wall of the main shaft (7) for driving the linkage gear to rotate, and a ratchet and pawl assembly (29) arranged on the shaft body and the mounting frame for limiting the rotation direction of the shaft body.

7. Cooling device according to claim 5, characterized in that The outer wall of the main shaft (7) above the inflatable bottom disc (9) is provided with a through hole for the supporting rope (26) to pass through and a guide wheel for guiding the supporting rope (26).

8. Cooling device according to claim 6, characterized in that The ratchet and pawl assembly (29) includes a ratchet sleeve arranged on the outer wall of the shaft body and a pawl arranged on the mounting frame.

9. The cooling device of claim 2, wherein: Valves are arranged on the ash inlet (2), the ash outlet (3), the cooling gas inlet (4) and the hot gas outlet (5).

10. The cooling device of claim 1, wherein: The outer wall of the main shaft (7) is provided with a slag baffle (11) for pushing the ash on the inflatable bottom disc (9) to the ash outlet (3) when the main shaft (7) rotates.

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