High-negative-pressure stable grinding device for cement

Abstract

The utility model relates to the technical field of cement grinding, in particular to a cement high-negative-pressure stable grinding device which comprises a base plate, a feeding box and a material box, a ball mill body is arranged at the upper end of the base plate, and a gear ring is arranged on the outer surface of the ball mill body. A second feeding pipe and a discharging pipe are arranged at the two ends of the ball mill body correspondingly, a solid flow meter is arranged on the discharging pipe, supporting rods distributed in an array mode are arranged on the portion, located on one side of the ball mill body, of the upper end face of the base plate, weighing sensors are arranged at the upper ends of the supporting rods, and an annular plate is installed on the outer surface of the material box; the annular plate is installed at the upper end of the weighing sensor, a second discharging pipe is arranged at the lower end of the material box, the feeding box is installed on one side of the upper end face of the base plate, and a first feeding pipe is installed on the lower portion of the side end face of the feeding box. The cement ball mill has the advantages that the material quantity in the cement ball mill can be ensured, the cement ball mill operates stably under high negative pressure, and the cement production efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cement grinding, in particular to a cement high negative pressure stable grinding device. Background Art

[0002] Ball mills are widely used in cement, silicate products, new building materials, refractory materials, fertilizers, black and non-ferrous metal beneficiation, glass and ceramics and other production industries to grind various ores and other grindable materials by dry or wet process. Ball mills are suitable for grinding various ores and other materials.

[0003] Cement ball mill is one of the important equipment in the cement production process. It can grind clinker and appropriate mixed materials into cement of a certain particle size, providing necessary raw materials for subsequent cement production. Cement ball mill does not have the function of detecting feeding and discharging during use, and cannot guarantee the amount of material in the cement ball mill, and cannot keep the cement ball mill running continuously at full load, which reduces the cement production efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a high-negative-pressure stable grinding device for cement, which has the advantages of ensuring the amount of material in the cement ball mill, enabling it to operate stably at high negative pressure, and improving cement production efficiency, thus solving the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cement high-negative pressure stable grinding device, comprising a base plate, a feeding box and a material box, a ball mill body is arranged at the upper end of the base plate, a gear ring is arranged on the outer surface of the ball mill body, a second feed pipe and a discharge pipe are arranged at both ends of the ball mill body, and a solid flow meter is arranged on the discharge pipe, an upper end surface of the base plate is located on one side of the ball mill body and support rods distributed in an array are arranged, a weighing sensor is arranged on the upper end of the support rod, an annular plate is installed on the outer surface of the material box, the annular plate is installed on the upper end of the weighing sensor, a second discharge pipe is arranged at the lower end of the material box, the feeding box is installed on one side of the upper end surface of the base plate, and a first feed pipe is installed at the lower position of the side end surface of the feeding box.

[0006] When using the high negative pressure stable grinding device for cement of the utility model,

[0007] When feeding cement, cement is added into the feeding box from the first feeding pipe, the driving wheel can be rotated by the operation of the first driving device, the rotation of the driving wheel can make the lifting belt run, and the cement can be fed through the lifting bucket, and the fed cement can be discharged from the first discharge pipe into the material box, the cement in the material box can be weighed by the weighing sensor, and the electromagnetic discharge valve on the second discharge pipe can be opened to allow the cement to enter the ball mill from the second feeding pipe, and the full load of cement can be added to the ball mill according to the condition of the ball mill body, and the gear can be rotated by the operation of the second driving device, and the ball mill body can be operated under the action of the ring gear to grind the cement, and the ground cement can be discharged from the discharge pipe, and the amount of discharged cement can be detected by the solid flow meter. According to the amount of discharged cement, the electromagnetic discharge valve is opened to add cement to the ball mill body in real time.

[0008] Preferably, a second driving device is installed on the upper end of the base plate, a gear is installed on the end of the main shaft of the second driving device, and the gear is meshingly connected with the ring gear.

[0009] Preferably, the second discharge pipe is provided with an electromagnetic discharge valve, and the second discharge pipe extends into the second feed pipe.

[0010] Preferably, a driving wheel and a driven wheel that are symmetrically distributed are rotatably installed in the feeding box, a lifting belt is arranged between the driving wheel and the driven wheel, a lifting bucket is arranged on the lifting belt, and a first driving device is installed at the front end of the feeding box, and the main shaft of the first driving device is connected to the axis of the driving wheel.

[0011] Preferably, a first material discharge pipe is installed at an upper position of a side end surface of the material supply box, and a terminal end of the first material discharge pipe is located directly above the material box.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: cement is added into the material box, the cement in the material box can be weighed by a weighing sensor, the electromagnetic discharge valve on the second discharge pipe is opened to allow the cement to enter the ball mill from the second feed pipe, and the full load of cement is added to the ball mill according to the condition of the ball mill body, and then the ball mill body is operated to grind the cement, and the ground cement can be discharged from the discharge pipe, and the amount of cement discharged can be detected by a solid flow meter, and according to the amount of cement discharged, the electromagnetic discharge valve is opened to add cement to the ball mill body in real time, and the amount of cement added is the amount of cement discharged, which can ensure that the amount of material in the cement ball mill is sufficient, so that the ball mill maintains high negative pressure and stable operation, and can improve cement production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view structural schematic diagram of the utility model;

[0014] Figure 2This is a schematic diagram of the structure of the utility model when viewed from above;

[0015] Figure 3 It is a partial structural schematic diagram of the utility model.

[0016] The reference numerals and names in the figures are as follows:

[0017] 101. base plate; 102. first feed pipe; 103. loading box; 104. first driving device; 105. first unloading pipe; 106. driving wheel; 107. driven wheel; 108. lifting belt; 109. lifting bucket; 201. ball mill body; 202. second feed pipe; 203. discharge pipe; 204. solid flow meter; 205. gear ring; 206. second driving device; 207. gear; 301. support rod; 302. annular plate; 303. material box; 304. weighing sensor. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example

[0020] See also Figures 1 to 3 The utility model provides an embodiment: a cement high negative pressure stable grinding device, comprising:

[0021] A base plate 101, a loading box 103 and a material box 303, wherein a ball mill body 201 is arranged at the upper end of the base plate 101, a gear ring 205 is arranged on the outer surface of the ball mill body 201, a second feed pipe 202 and a discharge pipe 203 are arranged at both ends of the ball mill body 201, and a solid flow meter 204 is arranged on the discharge pipe 203, an upper end surface of the base plate 101 is located on one side of the ball mill body 201 and is provided with support rods 301 distributed in an array, a weighing sensor 304 is arranged on the upper end of the support rods 301, an annular plate 302 is installed on the outer surface of the material box 303, and the annular plate 302 is installed on the upper end of the weighing sensor 304, a second discharge pipe is arranged at the lower end of the material box 303, the loading box 103 is installed on one side of the upper end surface of the base plate 101, and a first feed pipe 102 is installed at the lower position of the side end surface of the loading box 103.

[0022] In this embodiment, cement is added to the material box 303, and the cement in the material box 303 can be weighed by the weighing sensor 304. The electromagnetic discharge valve on the second discharge pipe can be opened to allow the cement to enter the ball mill from the second feed pipe 202. The full load of cement is added to the ball mill body 201 according to the situation of the ball mill body. The gear 207 can be rotated by the operation of the second driving device 206. Under the action of the ring gear 205, the ball mill body 201 can be operated to grind the cement. The ground cement can be discharged from the discharge pipe 203. The amount of cement discharged can be detected by the solid flow meter 204. According to the amount of cement discharged, the electromagnetic discharge valve is opened to add cement to the ball mill body 201 in real time. When cement is added, the weight of cement in the material box 303 will be reduced accordingly, and the reduced weight of cement is added to the cement in the ball mill.

[0023] Furthermore,

[0024] The second driving device 206 is installed on the upper end of the base plate 101. The main shaft end of the second driving device 206 is installed with a gear 207, which is meshed with the ring gear 205. The second driving device 206 can make the gear 207 rotate, and the gear 207 can drive the ring gear 205, so that the ball mill body 201 can operate to grind cement.

[0025] Furthermore,

[0026] The second discharge pipe is provided with an electromagnetic discharge valve, and the second discharge pipe extends into the second feed pipe 202. Opening the electromagnetic discharge valve allows the cement in the material box 303 to enter the ball mill.

[0027] Furthermore,

[0028] The loading box 103 is provided with symmetrically distributed driving wheels 106 and driven wheels 107, a lifting belt 108 is provided between the driving wheels 106 and the driven wheels 107, a lifting bucket 109 is provided on the lifting belt 108, and a first driving device 104 is provided at the front end of the loading box 103, and the main shaft of the first driving device 104 is connected to the axis of the driving wheel 106. When cement is loaded, cement is added into the loading box 103 from the first feeding pipe 102, and the driving wheel 106 can be rotated by the operation of the first driving device 104, and the lifting belt 108 can be operated, and the cement can be loaded through the lifting bucket 109.

[0029] Furthermore,

[0030] A first discharge pipe 105 is installed at the upper position of the side end surface of the loading box 103, and the end of the first discharge pipe 105 is located just above the material box 303. When cement is loaded into the loading box 103, the cement can be discharged from the first discharge pipe 105 into the material box 303.

[0031] The first driving device 104, the ball mill body 201, the solid flow meter 204, the second driving device 206 and the weighing sensor 304 in the utility model are well-known devices, and their working principles and circuit connections are well known to technicians in the field, and are conventional means or common knowledge, so they will not be elaborated here. Those skilled in the art can make any selections according to their needs or convenience.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A cement high negative pressure stable grinding device, comprising a base plate (101), a loading box (103) and a material box (303), characterized in that: A ball mill body (201) is arranged at the upper end of the base plate (101), a gear ring (205) is arranged on the outer surface of the ball mill body (201), a second feed pipe (202) and a discharge pipe (203) are arranged at both ends of the ball mill body (201), and a solid flow meter (204) is arranged on the discharge pipe (203), and an upper end surface of the base plate (101) is located on one side of the ball mill body (201) and is provided with support rods (301) distributed in an array. ), a weighing sensor (304) is arranged at the upper end of the support rod (301), an annular plate (302) is installed on the outer surface of the material box (303), the annular plate (302) is installed on the upper end of the weighing sensor (304), a second feeding pipe is arranged at the lower end of the material box (303), the loading box (103) is installed on one side of the upper end surface of the base plate (101), and a first feeding pipe (102) is installed at the lower position of the side end surface of the loading box (103).

2. A cement high negative pressure stable grinding device according to claim 1, characterized in that: A second driving device (206) is installed at the upper end of the base plate (101), a gear (207) is installed at the end of the main shaft of the second driving device (206), and the gear (207) is meshedly connected with the gear ring (205).

3. A cement high negative pressure stable grinding device according to claim 1, characterized in that: The second discharge pipe is provided with an electromagnetic discharge valve, and the second discharge pipe extends into the second feed pipe (202).

4. A cement high negative pressure stable grinding device according to claim 1, characterized in that: A driving wheel (106) and a driven wheel (107) are rotatably installed in the loading box (103) and are symmetrically distributed. A lifting belt (108) is arranged between the driving wheel (106) and the driven wheel (107), and a lifting bucket (109) is arranged on the lifting belt (108). A first driving device (104) is installed at the front end of the loading box (103), and the main shaft of the first driving device (104) is connected to the axis of the driving wheel (106).

5. A cement high negative pressure stable grinding device according to claim 4, characterized in that: A first material discharge pipe (105) is installed at the upper position of the side end surface of the material supply box (103), and the end of the first material discharge pipe (105) is located directly above the material box (303).

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