CN216093435U

CN216093435U - Wet crusher

Info

Publication number: CN216093435U
Application number: CN202122386840.4U
Authority: CN
Inventors: 黄粤宁; 黄曙
Original assignee: Ningbo Lehui International Engineering Equipment Co Ltd
Current assignee: Ningbo Lehui International Engineering Equipment Co Ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-22
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a wet grinder, which comprises a wheat soaking box (1), a grinding bin (2) and a mixing chamber (3) which are sequentially arranged from top to bottom, and is characterized in that: the side walls of the wheat soaking box (1), the crushing bin (2) or/and the mixing chamber (3) are provided with access holes (34); the inspection device also comprises a sight glass (35) used for opening and closing the access hole (34) and a first limit switch (36) used for detecting whether the sight glass (35) is in an opening or closing state; the wet crusher is provided with a controller which is electrically connected with the first limit switch (36), the feeding device (4), the feeding device (5), the crushing device (6) and the stirring device (7), so that the controller can receive signals of the first limit switch (36) and control the opening and closing of the feeding device (4), the feeding device (5), the crushing device (6) and the stirring device (7). Compared with the prior art, the wet crusher provided by the utility model is safe to operate.

Description

Wet crusher

Technical Field

The utility model relates to the technical field of beer brewing, in particular to a wet grinder.

Background

The beer is fermented by utilizing the fermentable substances in the yeast and the wort, so the quality and the variety of the yeast and the malt can directly influence the quality and the quality of the beer, the malt needs to be crushed before the malt is used for boiling the wort, the soaked malt is mostly in a snow sheet shape after being crushed, the wheat husk is complete, a high-efficiency filter layer can be formed for filtering out clear wort, the quality of the wort and the saccharification yield can be improved, and the raw material consumption can be reduced. But when crushing processing, difficult carry out the homogeneity with the malt and smash, lead to its malt granule after smashing the output inhomogeneous, smash incomplete condition, the colleague still needs artifical manual screening filtration after smashing the malt and inconvenient, has improved working strength and cost of enterprises.

The utility model patent of a malt grinder with patent application number CN201821999334.4 (publication number CN209178360U) discloses a malt grinder, which comprises a grinder shell, wherein the grinder shell is provided with two observation holes, and further comprises an auxiliary material adding device, the auxiliary material adding device is fixedly connected with the grinder shell, the auxiliary material adding device comprises a hollow auxiliary material bin and an auxiliary material feeding pipe, and an auxiliary material cover plate covers the top of the auxiliary material bin; the scheme has a simple structure, is convenient to use, and utilizes one end of the auxiliary material feeding pipe to be fixedly connected with the bottom of the auxiliary material bin, and the other end of the auxiliary material feeding pipe extends into one observation hole of the two observation holes and is communicated with the inside of the crusher shell, so that the auxiliary material can be added without opening a manhole door, manpower and material resources are greatly saved, meanwhile, the materials are prevented from being directly contacted with the atmosphere, and the food safety control is facilitated.

But the crusher is easy to have personal and equipment safety accidents caused by mistaken collision, misoperation and material blockage in the using process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a wet crusher which is safe to operate in view of the current situation of the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a wet rubbing crusher, including top-down's the wheat case that soaks, smash storehouse and mixing chamber that arrange in proper order, the top of soaking the wheat case has the feed inlet, soaks and is linked together through the feed channel between the storehouse with smashing, smashes and be linked together through smashing the passageway between storehouse and the mixing chamber, feed inlet department install and be used for carrying the feedway to soaking the material in the feed inlet to the feedway in, feed channel department install and be used for soaking the material in the wheat case and carry the feed arrangement to smashing the storehouse in, smash passageway department install and be used for carrying the reducing mechanism to the mixing chamber after smashing the material in smashing the storehouse, mixing chamber department is equipped with the agitating unit who is used for carrying out the stirring to the material in the mixing chamber, its characterized in that:

the side walls of the wheat soaking box, the crushing bin or/and the mixing chamber are/is provided with an access hole; the wet crusher also comprises a sight glass which corresponds to the access hole and is used for opening and closing the corresponding access hole; and

the first limit switch corresponds to the sight glass and is used for detecting whether the corresponding sight glass is in an open or closed state;

the wet crusher is provided with a controller which is electrically connected with the first limit switch, the feeding device, the crushing device and the stirring device, so that the controller can receive signals of the first limit switch and control the opening and closing of the feeding device, the crushing device and the stirring device.

In order to convey the materials thrown into the feed inlet into the wheat soaking box, the feeding device comprises

The two ends of the feeding roller are respectively and rotatably connected to the end walls on the left side and the right side of the wheat soaking box; and

and the power output end of the first driving piece is in transmission connection with the feeding roller and is used for driving the feeding roller to rotate.

In order to avoid equipment safety risk caused by material blockage in the wheat steeping process of the wet grinder, a first high liquid level sensor and a first low liquid level sensor are respectively arranged above and below in the wheat steeping box;

the controller is electrically connected with the first high liquid level sensor, the first low liquid level sensor and the first driving piece, so that the controller can receive signals of the first high liquid level sensor and the first low liquid level sensor and control the output speed of the first driving piece.

In order to crush the materials in the crushing bin and then convey the materials into the mixing chamber, the crushing device comprises

Two crushing rollers which are arranged side by side, wherein two ends of each crushing roller are respectively and rotatably connected to the end walls on the left side and the right side of the mixing chamber; and

and the two third driving pieces correspond to the crushing rollers one by one, and the power output ends of the third driving pieces are in transmission connection with the corresponding crushing rollers and used for driving the crushing rollers to rotate.

In order to avoid the equipment safety risk caused by the slipping of the clamping roller and the belt in the running process of the wet crusher, the crushing device comprises two rotating speed monitoring switches which are in one-to-one correspondence with the crushing rollers and are used for monitoring the rotating speed of the corresponding crushing rollers;

the controller is electrically connected with the rotating speed monitoring switch and the third driving piece, so that the controller can receive signals of the rotating speed monitoring switch and control the opening and closing of the third driving piece.

In order to avoid the safety risk of equipment caused by overload and material blockage of the crushing roller in the operation process of the wet crusher, the crushing device comprises two current monitors which are in one-to-one correspondence with the third driving piece and are used for monitoring the working current of the third driving piece;

the controller is electrically connected with the current monitor and the third driving piece, so that the controller can receive signals of the current monitor and control the on-off of the third driving piece.

In order to stir the materials in the mixing chamber, the stirring device comprises

The impeller is arranged at the bottom in the mixing chamber; and

and the power output end of the fourth driving part is in transmission connection with the impeller and is used for driving the impeller to rotate.

In order to ensure that the stirring device can play a role in conveying materials to discharge at the same time, the bottom of the mixing chamber is provided with a discharge hole, and blades of the impeller face the discharge hole, so that the materials in the mixing chamber can be discharged through the discharge hole under the action of the rotating impeller.

In order to avoid the equipment safety risk caused by material blockage in the slurry mixing process of the wet crusher, a second high liquid level sensor and a second low liquid level sensor are respectively arranged in the mixing chamber from top to bottom;

the controller is electrically connected with the second high liquid level sensor, the second low liquid level sensor and the fourth driving part, so that the controller can receive signals of the second high liquid level sensor and the second low liquid level sensor and control the output speed of the fourth driving part.

In order to further avoid personal safety accidents caused by the fact that a door body is opened by mistake due to reasons of busyness, negligence and the like in the running and overhauling processes of the wet pulverizer, a protective shell is arranged on the outer side of the mixing chamber, an interlayer for accommodating a third driving piece or/and a fourth driving piece is arranged between the inner wall of the protective shell and the outer wall of the mixing chamber, openings are formed in the left side and the right side of the protective shell, door bodies for opening and closing the openings are installed at the positions, located at the openings, of the protective shell, and second limit switches in one-to-one correspondence with the door bodies are installed on the protective shell and used for detecting whether the corresponding door bodies are in an opening or closing state;

the controller is electrically connected with the second limit switch, so that the controller can receive signals of the second limit switch and control the feeding device, the crushing device and the stirring device to be opened and closed.

Compared with the prior art, the utility model has the advantages that: on wet rubbing crusher door body, sight glass, crushing roller, soak wheat storehouse, mixing chamber, increase safety arrangement, transmit the controller for at the operation in-process, the wet rubbing crusher stop operation of controller control avoids wet rubbing crusher in operation, maintenance process, because reasons such as busy, carelessness collide by mistake, the maloperation causes the personal safety accident.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of a wet crusher according to the present invention with the door open (the belt pulley drive of the crushing device is omitted);

FIG. 2 is a longitudinal cross-sectional view of an embodiment of the wet crusher of the present invention;

FIG. 3 is a schematic structural view of an embodiment of the wet crusher of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 3, a preferred embodiment of the wet crusher of the present invention is shown. The wet crusher comprises a wheat soaking box 1, a crushing bin 2, a mixing chamber 3, a feeding device 4, a feeding device 5, a crushing device 6, a stirring device 7, a protective shell 8 and a liquid supply pipeline 9. The wheat steeping box 1, the crushing bin 2 and the mixing chamber 3 are sequentially arranged from top to bottom.

Wherein, the top of wheat soaking box 1 has feed inlet 11, has arranged first high level sensor 12 and first low level sensor 13 respectively one on top of one under in wheat soaking box 1.

The top of the crushing bin 2 is communicated with the wheat soaking tank 1 through a feeding channel 21, and the bottom of the crushing bin 2 is communicated with the mixing chamber 3 through a crushing channel 22.

The bottom of the mixing chamber 3 has a discharge opening 31, and a second high level sensor 32 and a second low level sensor 33 are respectively arranged one above the other in the mixing chamber 3.

In this embodiment, the side walls of the wheat soaking box 1, the crushing bin 2 and the mixing chamber 3 are all provided with access holes 34, the positions of the wheat soaking box 1, the crushing bin 2 and the mixing chamber 3 corresponding to the access holes 34 are provided with viewing mirrors 35 for opening and closing the access holes 34, and the wheat soaking box 1, the crushing bin 2 and the mixing chamber 3 are provided with first limit switches 36 corresponding to the viewing mirrors 35 for detecting whether the corresponding viewing mirrors 35 are in an open or closed state.

The feeding device 4 is used for conveying the materials thrown into the feeding hole 11 into the wheat steeping box 1. In this embodiment, the feeding device 4 includes a feeding roller 41 and a first driving member 42. Specifically, two ends of the feed roller 41 are respectively and rotatably connected to the end walls of the left side and the right side of the wheat steeping box 1; the first driving member 42 is a speed reducing motor, and is disposed on the outer wall of the wheat soaking tank 1, and the power output shaft thereof is connected to the end of one end of the feeding roller 41, so as to drive the feeding roller 41 to rotate.

The feeding device 5 is used for conveying the materials in the wheat soaking box 1 to the crushing bin 2. In this embodiment, the feeding device 5 includes a feeding roller 51 and a second driving member 52. Specifically, two ends of the feeding roller 51 are respectively and rotatably connected to the end walls on the left and right sides of the crushing bin 2; the second driving member 52 is a speed reducing motor, and is disposed on the outer wall of the pulverizing bin 2, and a power output shaft thereof is connected to an end of one end of the feeding roller 51 to drive the feeding roller 51 to rotate.

The crushing device 6 is used for crushing the materials in the crushing bin 2 and then conveying the crushed materials to the mixing chamber 3. In this embodiment, the crushing apparatus 6 includes a crushing roller 61, a third driving member 62, a rotation speed monitoring switch 63, and a current monitor 64. Specifically, the number of the pulverizing rollers 61 is two and the pulverizing rollers are arranged side by side, and both ends of each pulverizing roller 61 are respectively rotatably connected to the end walls on the left and right sides of the mixing chamber 3; the third driving member 62 is a motor, and corresponds to the crushing rollers 61 one by one, and a power output shaft of the third driving member is connected with an end part of one end of the corresponding crushing roller 61 through a belt pulley transmission mechanism so as to drive the crushing roller 61 to rotate, the rotation directions of the two crushing rollers 61 are opposite, and the material can be driven by the crushing rollers 61 to move between the two crushing rollers 61 and be crushed under the rolling action of the crushing rollers 61; the rotating speed monitoring switches 63 are in one-to-one correspondence with the crushing rollers 61 and are used for monitoring the rotating speed of the corresponding crushing rollers 61; the current monitor 64 is in one-to-one correspondence with the third driver 62 for monitoring the operating current to the third driver 62.

The stirring device 7 is used for stirring the materials in the mixing chamber 3. In this embodiment, the stirring device 7 is a slurry pump, and includes an impeller 71 and a fourth driver 72. Specifically, the impeller 71 is arranged at the bottom in the mixing chamber 3, and the blades of the impeller 71 face the discharge port 31 of the mixing chamber 3; the fourth driving member 72 is a motor, and a power output shaft thereof is in transmission connection with the rotating shaft of the impeller 71 through a belt pulley transmission mechanism, so as to drive the impeller 71 to rotate. In the rotation process of the impeller 71, on one hand, the materials in the mixing chamber 3 can be stirred so as to uniformly mix the materials and the liquid; on the other hand, the material at the bottom of the mixing chamber 3 can be discharged through the discharge port 31 by centrifugal force.

The protective shell 8 is arranged on the outer side of the mixing chamber 3, an interlayer 81 for accommodating the third driving piece 62 and the fourth driving piece 72 is arranged between the inner wall of the protective shell 8 and the outer wall of the mixing chamber 3, openings 82 are formed in the left side and the right side of the protective shell 8, a door body 83 for opening and closing the openings 82 is installed at the position, located at the openings 82, of the protective shell 8, and second limit switches 84 corresponding to the door bodies 83 one by one are installed on the protective shell 8 and used for detecting whether the corresponding door bodies 83 are in an opening or closing state.

The liquid supply line 9 is used for supplying the tempering water to the wheat soaking tank 1 and the mixing chamber 3.

In addition, the wet crusher has a controller:

(1) the controller is electrically connected with the first limit switch 36, the first driving element 42, the second driving element 52, the third driving element 62 and the fourth driving element 72, so that the controller can receive signals of the first limit switch 36 and control the opening and closing of the first driving element 42, the second driving element 52, the third driving element 62 and the fourth driving element 72;

(2) the controller is electrically connected with the second limit switch 84, the first driving element 42, the second driving element 52, the third driving element 62 and the fourth driving element 72, so that the controller can receive a signal of the second limit switch 84 and control the on/off of the first driving element 42, the second driving element 52, the third driving element 62 and the fourth driving element 72;

(3) the controller is electrically connected with the first high liquid level sensor 12, the first low liquid level sensor 13 and the first driving member 42, so that the controller can receive signals of the first high liquid level sensor 12 and the first low liquid level sensor 13 and control the output speed of the first driving member 42;

(4) the controller is electrically connected with the second high liquid level sensor 32, the second low liquid level sensor 33 and the fourth driving part 72, so that the controller can receive signals of the second high liquid level sensor 32 and the second low liquid level sensor 33 and control the output speed of the fourth driving part 72;

(5) the controller is electrically connected with the rotating speed monitoring switch 63 and the third driving element 62, so that the controller can receive a signal of the rotating speed monitoring switch 63 and control the on-off of the third driving element 62;

(6) the controller is electrically connected to the current monitor 64 and the third driving member 62, so that the controller can receive the signal of the current monitor 64 and control the on/off of the third driving member 62.

The working principle of the embodiment is as follows:

(1) during operation, raw materials are fed into a wheat steeping box 1 through a feeding roller 41, meanwhile, one path of automatic temperature-adjusting wheat steeping water is added into the wheat steeping box 1 through a liquid supply pipeline 9 according to a proper proportion, the wheat steeping box is soaked in the wheat steeping box 1 for 30-60 seconds and then is conveyed into a crushing bin 2 through a feeding roller 51, then the raw materials are crushed through rolling of a crushing roller 61, the crushed raw materials freely fall into a mixing chamber 3, meanwhile, one path of automatic temperature-adjusting slurry-adjusting water is added into the mixing chamber 3 through the liquid supply pipeline 9 according to a proper proportion, and materials and liquid are uniformly mixed through stirring of an impeller 71 and are directly conveyed into a downstream saccharifying pot or gelatinizing pot;

(2) after the sight glass 35 is opened, the first limit switch 36 transmits a signal to the controller, and the controller closes the first driving piece 42, the second driving piece 52, the third driving piece 62 and the fourth driving piece 72, so that the matched equipment of the wet crusher is locked and cannot be opened, and personal safety accidents caused by mistaken collision and misoperation of the wet crusher due to busy, negligence and the like in the operation and maintenance process are avoided;

(3) after the door body 83 is opened, the second limit switch 84 transmits a signal to the controller, and the controller closes the first driving part 42, the second driving part 52, the third driving part 62 and the fourth driving part 72, so that the matched equipment of the wet crusher is locked and cannot be opened, and personal safety accidents caused by mistaken collision and misoperation of the wet crusher due to busy, negligence and the like in the operation and maintenance process are avoided;

(4) when the rotating speed of the crushing roller 61 is lower than 400Imp/min or 7HZ, the rotating speed monitoring switch 63 transmits a signal to the controller, and the controller closes the third driving piece 62, so that the crushing roller 61 stops running, equipment safety risk caused by roller clamping and belt slipping in the running process of the wet crusher is avoided, and the crushing roller rotating at high speed is very dangerous;

(5) when the working current of the third driving piece 62 is more than 1.2 times of the rated current, the current monitor 64 transmits a signal to the controller, and the controller closes the third driving piece 62, so that the crushing roller 61 stops running, and the safety risk of equipment caused by overload and material blockage of the crushing roller 61 in the running process of the wet crusher is avoided;

(6) when the liquid level of the wheat steeping bin 1 is low, the first low liquid level sensor 13 transmits a signal to the controller, the controller increases the output speed of the first driving piece 42, increases the rotating speed of the feeding roller 41 and increases the blanking speed;

when the liquid level of the wheat steeping bin 1 is higher, the first high liquid level sensor 12 transmits a signal to the controller, and the controller reduces the output speed of the first driving piece 42, reduces the rotating speed of the feeding roller 41 and reduces the blanking speed;

therefore, the safety risk of equipment caused by material blockage in the wheat steeping process of the wet grinder can be avoided;

(7) when the liquid level of the mixing chamber 3 is low, the second low liquid level sensor 33 transmits a signal to the controller, and the controller reduces the output speed of the fourth driving piece 72, so that the rotating speed of the impeller 71 is reduced, and the mash conveying speed is reduced;

when the liquid level of the mixing chamber 3 is higher, the second high liquid level sensor 32 transmits a signal to the controller, and the controller increases the output speed of the fourth driving part 72, so that the rotating speed of the impeller 71 is increased, and the mash conveying speed is increased;

therefore, the equipment safety risk caused by material blockage in the size mixing process of the wet grinder can be avoided.

Claims

1. A wet grinder comprises a wheat soaking box (1), a grinding bin (2) and a mixing chamber (3) which are sequentially arranged from top to bottom, wherein a feed port (11) is formed in the top of the wheat soaking box (1), the wheat soaking box (1) is communicated with the grinding bin (2) through a feed channel (21), the grinding bin (2) is communicated with the mixing chamber (3) through a grinding channel (22), a feeding device (4) used for conveying materials fed into the feed port (11) into the wheat soaking box (1) is installed at the feed port (11), a feeding device (5) used for conveying the materials in the wheat soaking box (1) into the grinding bin (2) is installed at the feed channel (21), a grinding device (6) used for grinding the materials in the grinding bin (2) and conveying the ground materials into the mixing chamber (3) is installed at the grinding channel (22), mixing chamber (3) department is equipped with agitating unit (7) that are used for stirring the material in mixing chamber (3), its characterized in that:

the side walls of the wheat soaking box (1), the crushing bin (2) or/and the mixing chamber (3) are provided with access holes (34); the wet crusher also comprises

A sight glass (35) corresponding to the manhole (34) for opening and closing the corresponding manhole (34); and

the first limit switch (36) corresponds to the sight glass (35) and is used for detecting whether the corresponding sight glass (35) is in an open or closed state;

the wet crusher is provided with a controller, and the controller is electrically connected with the first limit switch (36), the feeding device (4), the feeding device (5), the crushing device (6) and the stirring device (7), so that the controller can receive signals of the first limit switch (36) and control the opening and closing of the feeding device (4), the feeding device (5), the crushing device (6) and the stirring device (7).

2. The wet crusher of claim 1, wherein: the feeding device (4) comprises

The two ends of the feeding roller (41) are respectively and rotatably connected to the end walls at the left side and the right side of the wheat steeping box (1); and

and the power output end of the first driving piece (42) is in transmission connection with the feeding roller (41) and is used for driving the feeding roller (41) to rotate.

3. The wet crusher of claim 2, wherein: a first high liquid level sensor (12) and a first low liquid level sensor (13) are respectively arranged above and below the inside of the wheat soaking box (1);

the controller is electrically connected with the first high liquid level sensor (12), the first low liquid level sensor (13) and the first driving piece (42), so that the controller can receive signals of the first high liquid level sensor (12) and the first low liquid level sensor (13) and control the output speed of the first driving piece (42).

4. The wet crusher of claim 1, wherein: the crushing device (6) comprises

Two crushing rollers (61) arranged side by side, wherein two ends of each crushing roller (61) are respectively and rotatably connected to the end walls on the left side and the right side of the mixing chamber (3); and

and the two third driving pieces (62) correspond to the crushing rollers (61) one by one, and the power output ends of the third driving pieces are in transmission connection with the corresponding crushing rollers (61) and used for driving the crushing rollers (61) to rotate.

5. The wet crusher of claim 4, wherein: the crushing device (6) comprises two rotating speed monitoring switches (63) which are in one-to-one correspondence with the crushing rollers (61) and are used for monitoring the rotating speed of the corresponding crushing rollers (61);

the controller is electrically connected with the rotating speed monitoring switch (63) and the third driving piece (62), so that the controller can receive signals of the rotating speed monitoring switch (63) and control the opening and closing of the third driving piece (62).

6. The wet crusher of claim 4, wherein: the crushing device (6) comprises two current monitors (64) which are in one-to-one correspondence with the third driving pieces (62) and are used for monitoring the working current of the third driving pieces (62);

the controller is electrically connected with the current monitor (64) and the third driving element (62), so that the controller can receive signals of the current monitor (64) and control the opening and closing of the third driving element (62).

7. The wet crusher of claim 1, wherein: the stirring device (7) comprises

An impeller (71) provided at the bottom in the mixing chamber (3); and

and the power output end of the fourth driving piece (72) is in transmission connection with the impeller (71) and is used for driving the impeller (71) to rotate.

8. The wet crusher of claim 7, wherein: the bottom of the mixing chamber (3) is provided with a discharge hole (31), and the blades of the impeller (71) face the discharge hole (31) so that the materials in the mixing chamber (3) can be discharged through the discharge hole (31) under the action of the rotating impeller (71).

9. The wet crusher of claim 8, wherein: a second high liquid level sensor (32) and a second low liquid level sensor (33) are respectively arranged above and below the mixing chamber (3);

the controller is electrically connected with the second high liquid level sensor (32), the second low liquid level sensor (33) and the fourth driving part (72), so that the controller can receive signals of the second high liquid level sensor (32) and the second low liquid level sensor (33) and control the output speed of the fourth driving part (72).

10. The wet crusher of any one of claims 4 to 9, characterized in that: a protective shell (8) is arranged on the outer side of the mixing chamber (3), an interlayer (81) for accommodating a third driving piece (62) or/and a fourth driving piece (72) is arranged between the inner wall of the protective shell (8) and the outer wall of the mixing chamber (3), openings (82) are formed in the left side and the right side of the protective shell (8), a door body (83) for opening and closing the openings (82) is installed at the position, located at the openings (82), of the protective shell (8), and second limit switches (84) which correspond to the door bodies (83) in a one-to-one mode are installed on the protective shell (8) and used for detecting whether the corresponding door bodies (83) are in an opening or closing state;

the controller is electrically connected with the second limit switch (84) so that the controller can receive signals of the second limit switch (84) and control the on-off of the feeding device (5), the crushing device (6) and the stirring device (7).