Environment-friendly cement fineness negative pressure screen analysis device

Abstract

The utility model relates to the technical field of cement production and quality control, and discloses an environment-friendly cement fineness negative pressure screen analysis device which comprises a body, a screen seat is arranged in the body, the inner wall of the screen seat is slidably connected with a negative pressure screen, and the top end of the negative pressure screen is slidably sleeved with a screen cover. According to the environment-friendly cement fineness negative-pressure screen analysis device, by arranging a weighing device and a display screen, a screen analysis operation result can be directly measured and displayed, an electric telescopic rod drives a pressing ring to ascend and descend, a negative-pressure screen can be pressed tightly, by arranging a rotating plate, the negative-pressure screen is prevented from being blocked, and by arranging a cleaning brush and a water outlet ring, the cleaning efficiency is improved. The negative-pressure sieve can be automatically cleaned, the effects that the sieve analysis result can be automatically measured and calculated, manpower is saved, airflow distribution can be optimized, the negative-pressure sieve is prevented from being blocked, meanwhile, the negative-pressure sieve can be conveniently cleaned are achieved, and the problems that an existing negative-pressure sieve analysis device is uneven in airflow distribution, a sieve net is prone to being blocked, automation is low, and cleaning of the negative-pressure sieve is strenuous are solved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of cement production and quality control, in particular to an environment-friendly cement fineness negative pressure screening device. BACKGROUND

[0002] Cement fineness determination is one of important parameters for evaluating cement quality, and cement fineness detection needs to use a negative pressure screening method, which is a method for testing cement fineness by using negative pressure adsorption principle. The method uses a negative pressure adsorber, and cement samples are adsorbed on a screen by negative pressure, and the distribution range of cement particle size is determined through a series of tests.

[0003] The existing negative pressure screening equipment may have certain influence on screening quality due to uneven air flow distribution, negative pressure screen blockage and the like, and the screening operation needs to rely on frequent manual operation, and the automation is low, and the negative pressure screen needs to be cleaned by relying on manpower, which is laborious. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects of the prior art, the application provides an environment-friendly cement fineness negative pressure screening device, which has the advantages of optimizing air flow distribution, avoiding negative pressure screen blockage, automatically calculating screening results, facilitating cleaning of the negative pressure screen, reducing the work burden of workers and the like, and solves the problems that the existing negative pressure screening equipment may have certain influence on screening quality due to uneven air flow distribution, negative pressure screen blockage and the like, and the screening operation needs to rely on frequent manual operation, and the automation is low, and the negative pressure screen needs to be cleaned by relying on manpower, which is laborious.

[0005] To achieve the above purpose, the application provides the following technical scheme: an environment-friendly cement fineness negative pressure screening device, comprising a body, a sieve seat is arranged in the interior of the body, a negative pressure screen is slidably connected to the inner wall of the sieve seat, a sieve cover is slidably sleeved to the top end of the negative pressure screen, a nozzle is rotatably connected to the interior of the sieve seat, a cleaning box is fixedly connected to the right side surface of the body, a supporting ring is fixedly connected to the inner bottom wall of the cleaning box, a motor is arranged in the interior of the cleaning box, a cleaning brush is rotatably connected to the upper surface of the motor through an output shaft, and a top cover is arranged on the upper surface of the cleaning box.

[0006] Through the above scheme, due to the uneven airflow distribution, negative pressure screen blockage and other reasons of the existing negative pressure screen analysis equipment, it may have certain influence on the screening quality, and the screening operation needs to rely on frequent manual operation, the automation is low, and the negative pressure screen needs to be cleaned by relying on manpower, which is more laborious, by setting the weighing device and the display screen, the screening operation result can be directly calculated and displayed, avoiding frequent manual operation, the electric telescopic rod drives the pressure ring to lift, the negative pressure screen can be pressed tightly, and then the airflow distribution and circulation are optimized, the rotating plate is arranged on the nozzle, the negative pressure screen is prevented from being blocked during the screening operation, the cleaning brush and the water outlet ring are arranged, the negative pressure screen can be automatically cleaned, avoiding manual cleaning of the negative pressure screen, and reducing the work burden of workers.

[0007] Further, the inner wall of the screen seat is fixedly connected with a weighing device, and the front surface of the body is provided with a display screen.

[0008] Through the above scheme, the weight difference of the negative pressure screen after screening can be calculated by the weighing device, and then the screening result can be directly calculated, which is directly limited by the display screen, saves manpower, and improves the automation degree of the screening equipment.

[0009] Further, the upper surface of the weighing device is provided with a first sealing ring, the upper surface of the first sealing ring is in contact with the bottom surface of the negative pressure screen, the upper surface of the negative pressure screen is provided with a second sealing ring, and the upper surface of the second sealing ring is in contact with the bottom surface of the screen cover.

[0010] Through the above scheme, the first sealing ring and the second sealing ring can seal the negative pressure screen, optimize the airflow distribution and circulation, ensure the accuracy of the screening result, and improve the screening efficiency.

[0011] Further, the inside of the body is provided with an electric telescopic rod, the top end of the electric telescopic rod is fixedly connected with a pressure ring, and the bottom surface of the pressure ring is in contact with the upper surface of the screen cover.

[0012] Through the above scheme, the negative pressure screen can be pressed tightly by the pressure ring, and then the negative pressure screen and the screen seat are sealed, and the airflow distribution is optimized.

[0013] Further, the upper surface of the nozzle is fixedly connected with a rotating plate, and the upper surface of the rotating plate is in contact with the bottom surface of the negative pressure screen.

[0014] Through the above scheme, the cement blocked on the screen mesh of the negative pressure screen can be scraped off during the rotation of the rotating plate, avoiding the blockage of the screen mesh.

[0015] Further, the inside of the body is provided with a first connecting pipe, the bottom end of the first connecting pipe is threadedly connected with a collection bottle, the inside of the body is provided with a second connecting pipe, the bottom end of the second connecting pipe is fixedly connected with a dust collector, the inside of the dust collector is provided with a dust collection box, and the inside of the dust collection box is provided with a filter screen.

[0016] Through the above scheme, the cement waste can be recycled through the collection bottle, the airflow with dust can be sucked into the dust collection box through the dust collector, and the dust can be intercepted by the filter screen in the dust collection box, thereby avoiding pollution to the external environment.

[0017] Further, the inside of the cleaning box is fixedly connected with a water outlet ring, and the inner wall of the water outlet ring is provided with equidistantly arranged water outlet holes.

[0018] Through the above scheme, water can be sprayed through the water outlet holes on the water outlet ring, thereby facilitating cleaning of the negative pressure screen.

[0019] Further, the inside of the water outlet ring is fixedly inserted with a water inlet pipe, and the inside of the cleaning box is provided with a water outlet pipe.

[0020] Through the above scheme, water can be injected into the water outlet ring through the water inlet pipe, and the sewage generated during the cleaning process can be discharged through the water outlet pipe, thereby facilitating treatment of the sewage.

[0021] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0022] The environment-friendly cement fineness negative pressure screen analysis device directly calculates and displays the screening operation results through the weight indicator and the display screen, lifts and lowers the compression ring through the electric telescopic rod, tightens the negative pressure screen, avoids blockage of the negative pressure screen through the rotating plate, and automatically cleans the negative pressure screen through the cleaning brush and the water outlet ring, thereby achieving the effects of automatically calculating the screening results, saving manpower, optimizing airflow distribution, avoiding blockage of the negative pressure screen, and facilitating cleaning of the negative pressure screen. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole three-dimensional structure diagram of the present application;

[0024] Figure 2 It is a body structure diagram of the present application;

[0025] Figure 3 It is a negative pressure screen structure diagram of the present application;

[0026] Figure 4 It is a screen seat structure diagram of the present application;

[0027] Figure 5The cleaning box structure diagram of the present application is shown in the figure.

[0028] Figure 6 The cleaning brush structure diagram of the present application is shown in the figure.

[0029] In the figure:

[0030] 1, body; 2, sieve seat; 3, negative pressure sieve; 4, sieve cover; 5, weight meter; 6, display screen; 7, first sealing ring; 8, second sealing ring; 9, electric telescopic rod; 10, pressure ring; 11, nozzle; 12, rotating plate; 13, first connecting pipe; 14, collection bottle; 15, second connecting pipe; 16, dust collector; 17, cleaning box; 18, supporting ring; 19, motor; 20, cleaning brush; 21, water outlet ring; 22, water inlet pipe; 23, water outlet pipe; 24, top cover. DETAILED DESCRIPTION

[0031] 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 protection of the present application.

[0032] Please refer to Figure 1 , Figure 4 and Figure 5 , the environmental protection type cement fineness negative pressure sieve analysis device in the embodiment comprises a body 1, the inside of the body 1 is provided with a sieve seat 2, the inner wall of the sieve seat 2 is slidably connected with a negative pressure sieve 3, the top end of the negative pressure sieve 3 is slidably sleeved with a sieve cover 4, the inside of the sieve seat 2 is rotatably connected with a nozzle 11, the right side surface of the body 1 is fixedly connected with a cleaning box 17, the inner bottom wall of the cleaning box 17 is fixedly connected with a supporting ring 18, the inside of the cleaning box 17 is provided with a motor 19, the upper surface of the motor 19 is rotatably connected with a cleaning brush 20 through an output shaft, and the upper surface of the cleaning box 17 is provided with a top cover 24.

[0033] Please refer to Figure 3 and Figure 4 , the inner wall of the sieve seat 2 is fixedly connected with a weight meter 5, and the front surface of the body 1 is provided with a display screen 6. The weight difference after the negative pressure sieve 3 is sieved and analyzed can be measured by the weight meter 5, so that the sieving result can be directly calculated, and the sieving equipment is directly limited by the display screen 6, manpower is saved, and the automation degree of the sieving equipment is improved.

[0034] Please refer to Figure 3 and Figure 4The upper surface of the counter 5 is provided with a first sealing ring 7, the upper surface of the first sealing ring 7 is in contact with the bottom surface of the negative pressure screen 3, the upper surface of the negative pressure screen 3 is provided with a second sealing ring 8, the upper surface of the second sealing ring 8 is in contact with the bottom surface of the screen cover 4, the first sealing ring 7 and the second sealing ring 8 can seal the negative pressure screen 3, optimize the air flow distribution and circulation, guarantee the accuracy of the screening result, and improve the screening efficiency.

[0035] Please refer to Figure 1 The inside of the body 1 is provided with an electric telescopic rod 9, the top end of the electric telescopic rod 9 is fixedly connected with a pressing ring 10, the bottom surface of the pressing ring 10 is in contact with the upper surface of the screen cover 4, the negative pressure screen 3 can be pressed tightly through the pressing ring 10, so as to seal the negative pressure screen 3 and the screen seat 2, and further optimize the air flow distribution.

[0036] Please refer to Figure 4 The upper surface of the nozzle 11 is fixedly connected with a rotating plate 12, the upper surface of the rotating plate 12 is in contact with the bottom surface of the negative pressure screen 3, the rotating plate 12 will scrape off the cement blocked on the screen mesh of the negative pressure screen 3 in the process of rotating, so as to avoid the blockage of the screen mesh.

[0037] Please refer to Figure 2 The inside of the body 1 is provided with a first connecting pipe 13, the bottom end of the first connecting pipe 13 is threadedly connected with a collection bottle 14, the inside of the body 1 is provided with a second connecting pipe 15, the bottom end of the second connecting pipe 15 is fixedly connected with a dust collector 16, the inside of the dust collector 16 is provided with a dust collecting box, and the inside of the dust collecting box is provided with a filter screen, the cement waste can be recycled through the collection bottle 14, the dust collector 16 can suck the airflow containing dust into the dust collecting box, the dust can be intercepted by the filter screen in the dust collecting box, and pollution to the external environment is avoided.

[0038] Please refer to Figure 5 and Figure 6 The inside of the cleaning box 17 is fixedly connected with a water outlet ring 21, the inner wall of the water outlet ring 21 is provided with equidistantly arranged water outlet holes, the water outlet holes on the water outlet ring 21 can be used for water spraying, so as to facilitate the cleaning of the negative pressure screen 3.

[0039] Please refer to Figure 5 and Figure 6 The inside of the water outlet ring 21 is fixedly inserted with a water inlet pipe 22, and the inside of the cleaning box 17 is provided with a water outlet pipe 23, water can be injected into the water outlet ring 21 through the water inlet pipe 22, and the sewage generated in the cleaning process can be discharged through the water outlet pipe 23, so as to facilitate the treatment of the sewage.

[0040] The environmental protection type cement fineness negative pressure screening device in the embodiment, by setting the load cell 5 and the display screen 6, the screening operation result can be directly measured and displayed, the electric telescopic rod 9 drives the pressure ring 10 to lift, the negative pressure screen 3 can be pressed tightly, by setting the rotating plate 12, the negative pressure screen 3 is prevented from being blocked, by setting the cleaning brush 20 and the water outlet ring 21, the negative pressure screen 3 can be automatically cleaned, the screening result can be automatically measured, the manpower is saved, the airflow distribution is optimized, the negative pressure screen 3 is prevented from being blocked, the negative pressure screen 3 is conveniently cleaned, the airflow distribution of the existing negative pressure screening equipment is not uniform, the screen is easily blocked, the automation is low, and the negative pressure screen 3 is cleaned laboriously.

[0041] It should be noted that the bottom surface of the cleaning box 17 is provided with two supporting plates, which increases the stability of the screening equipment during operation.

[0042] The working principle of the above embodiment is as follows:

[0043] When the cement fineness negative pressure screening operation is needed, the cement is put into the negative pressure screen 3, then the negative pressure screen 3 is put on the load cell 5 in the screen seat 2, at this time the load cell 5 measures the weight of the negative pressure screen 3 and the cement, then the electric telescopic rod 9 is started to drive the pressure ring 10 to move down and press the negative pressure screen 3 tightly, then the equipment is started for screening operation, during the screening operation, the nozzle 11 drives the rotating plate 12 to rotate, the rotating plate 12 scrapes off the cement blocked on the screen of the negative pressure screen 3 during rotation, so as to prevent the screen from being blocked, the falling solid cement during the screening process falls into the collection bottle 14 through the first connecting pipe 13, the gas carrying dust is sucked into the dust collection box by the dust collector 16, the dust is intercepted by the filter screen in the dust collection box, so as to avoid pollution to the external environment, after the screening operation is completed, the pressure ring 10 is lifted, at this time the load cell 5 measures the weight of the existing negative pressure screen 3 and the cement, by the weight difference before and after the screening operation, the load cell 5 can directly measure the screening result, and display it through the display screen 6, when the negative pressure screen 3 needs to be cleaned, the bottom surface of the negative pressure screen 3 is placed on the supporting ring 18 in the cleaning box 17, water can be injected into the water outlet ring 21 through the water inlet pipe 22, the water outlet ring 21 sprays water through the water outlet holes thereon, then the motor 19 is started to drive the cleaning brush 20 to rotate through the output shaft, the cleaning brush 20 rotates to clean the negative pressure screen 3, when the bottom surface of the negative pressure screen 3 is cleaned, the negative pressure screen 3 is turned over, the negative pressure screen 3 is sleeved on the supporting ring 18, and the other side is cleaned, the sewage generated during the cleaning process can be discharged to the outside through the water outlet pipe 23.

[0044] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the enclosed claims. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the application can be varied in a multitude of ways. Such alterations, many of which will be apparent to those skilled in the art, can be based on current technology, and as such, this application should not be limited to the particular embodiments described herein, but should be understood to include all embodiments that are within the scope of the appended claims and their equivalents.

[0045] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, which can be limited only by the scope of the appended claims and their equivalents.

Claims

1. An environmentally friendly negative pressure sieving device for cement fineness, comprising a main body (1), characterized in that: The body (1) is provided with a screen seat (2) inside. A negative pressure screen (3) is slidably connected to the inner wall of the screen seat (2). A screen cover (4) is slidably sleeved on the top of the negative pressure screen (3). A nozzle (11) is rotatably connected inside the screen seat (2). A cleaning box (17) is fixedly connected to the right side of the body (1). A support ring (18) is fixedly connected to the bottom wall of the cleaning box (17). A motor (19) is provided inside the cleaning box (17). A cleaning brush (20) is rotatably connected to the upper surface of the motor (19) through an output shaft. A top cover (24) is provided on the upper surface of the cleaning box (17).

2. The environmentally friendly cement fineness negative pressure sieving device according to claim 1, characterized in that: The inner wall of the sieve seat (2) is fixedly connected to a weighing device (5), and the front of the main body (1) is provided with a display screen (6).

3. The environmentally friendly cement fineness negative pressure sieving device according to claim 2, characterized in that: The weighing device (5) has a first sealing ring (7) on its upper surface. The upper surface of the first sealing ring (7) is in contact with the bottom surface of the negative pressure screen (3). The upper surface of the negative pressure screen (3) has a second sealing ring (8). The upper surface of the second sealing ring (8) is in contact with the bottom surface of the screen cover (4).

4. The environmentally friendly cement fineness negative pressure sieving device according to claim 1, characterized in that: The body (1) is equipped with an electric telescopic rod (9) inside. A pressure ring (10) is fixedly connected to the top of the electric telescopic rod (9). The bottom surface of the pressure ring (10) is in contact with the upper surface of the sieve cover (4).

5. The environmentally friendly negative pressure sieving device for cement fineness as described in claim 1, characterized in that: A rotating plate (12) is fixedly connected above the nozzle (11), and the upper surface of the rotating plate (12) is in contact with the bottom surface of the negative pressure screen (3).

6. The environmentally friendly cement fineness negative pressure sieving device according to claim 1, characterized in that: The body (1) is provided with a first connecting pipe (13) inside, and a collection bottle (14) is threadedly connected to the bottom end of the first connecting pipe (13). The body (1) is provided with a second connecting pipe (15) inside, and a vacuum cleaner (16) is fixedly connected to the bottom end of the second connecting pipe (15). The vacuum cleaner (16) is provided with a dust collection box inside, and a filter screen is provided inside the dust collection box.

7. The environmentally friendly cement fineness negative pressure sieving device according to claim 1, characterized in that: The cleaning tank (17) is fixedly connected to a water outlet ring (21), and the inner wall of the water outlet ring (21) is provided with water outlet holes arranged at equal intervals.

8. The environmentally friendly cement fineness negative pressure sieving device according to claim 7, characterized in that: The inside of the water ring (21) is fixedly connected to the water inlet pipe (22), and the inside of the cleaning tank (17) is provided with the water outlet pipe (23).

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