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CN-121993376-A - Coal slurry metering device and working principle thereof

CN121993376ACN 121993376 ACN121993376 ACN 121993376ACN-121993376-A

Abstract

The invention provides a coal slurry metering device and a working principle thereof, the device comprises a metering pump main body, a pump body connecting seat, a pump head group and an adjusting knob, a flow meter and a concentration structure and a structure capable of blocking and separating the connecting pipe, the right side intermediate position of measuring pump main part is provided with pump body connecting seat. The device comprises a metering pump main body, a coal slurry pipe, a flowmeter, a concentration meter, a display screen and a control cabinet cable, wherein the metering pump main body, the coal slurry pipe, the flowmeter, the concentration meter, the display screen and the control cabinet cable are mutually matched, the flowmeter is loosened, then the display screen is installed and fixed, the flowmeter is screwed down, the metering pump main body is convenient to adjust in the installation and use process, the pump head group, the connection box, the blocking frame, the separation net piece, the connecting pipe and the water outlet pipe are mutually matched, and the coal slurry is filtered and separated after being matched through the blocking frame and the separation net piece, so that the influence of impurities in the coal slurry on the service life is prevented.

Inventors

  • ZHENG GUORONG
  • WANG WEI

Assignees

  • 郑州神利达钻采设备有限公司

Dates

Publication Date
20260508
Application Date
20241104

Claims (6)

  1. 1. The coal slurry metering device is characterized in that the device comprises a metering pump main body (1), a pump body connecting seat (2) is arranged at the middle position of the right side of the metering pump main body (1), a pump head group (3) is connected to the right end of the pump body connecting seat (2), an adjusting knob (4) is arranged at the left end of the metering pump main body (1), a flowmeter and a concentration structure (5) are connected to the bottom end of the metering pump main body (1) in the device, a blocking separation connecting pipe structure (6) is arranged at the bottom end of the pump head group (3), the flowmeter and the concentration structure (5) comprise a coal slurry pipe (51), a flowmeter (52), a concentration meter (53), a display screen (54) and a control cabinet cable (55), the flowmeter (52) and the concentration meter (53) are arranged inside the two ends of the coal slurry pipe (51), the display screen (54) is connected to the lower portion of the coal slurry pipe, and the other end of the display screen (54) is electrically connected to the control cabinet cable (55).
  2. 2. The coal slurry metering device according to claim 1, wherein the separable connecting pipe blocking structure (6) comprises a connecting box (61), blocking frames (62) are fixedly arranged on inner walls of the connecting box (61) through bolts, separating meshes (63) are fixedly arranged on inner walls of the left side and the right side of the blocking frames (62) through bolts, connecting pipes (64) are connected to middle positions of the bottom ends of the connecting box (61) through threads, and water outlet pipes (65) are connected to middle positions of the left side and the right side of the bottom ends of the connecting box (61) through threads.
  3. 3. The coal slurry metering device according to claim 1, wherein the coal slurry pipe (51) is arranged at the bottom end of the metering pump main body (1), and the flowmeter (52) is arranged inside the coal slurry pipe (51).
  4. 4. The coal slurry metering device according to claim 1, wherein the bottom end of the pump head group (3) is screwed at the middle position inside the upper end of the connection box (61) and is provided with a sealing ring at the connection position.
  5. 5. The metering principle of a coal slurry metering device according to claim 1, wherein when the device is used, coal slurry enters a metering pump main body (1) and then enters a coal slurry pipe (51), the flowmeter (52) and the concentration meter (53) are used for detecting the quantity of the passed coal slurry, the concentration meter (53) is used for detecting the concentration of the passed coal slurry, and the detected data are electrically connected to a control cabinet through a control cabinet cable (55) and are transmitted to the control cabinet to obtain the quantity of the coal slurry, the quantity of coal slag and the quantity of water.
  6. 6. The water-coal separation principle of the coal slurry metering device according to claim 1, wherein after the metering pump main body (1) is installed, an external pipeline is used for connection installation work, the bottom end of the connecting pipe (64) is connected with the external pipeline in the use process, coal slurry separation work is carried out through the cooperation of the blocking frame (62) and the separation net piece (63) in the operation process, and coal slurry filtering separation work is carried out after the cooperation of the blocking frame and the separation net piece in the use process, so that a foundation is laid for separating coal slag of coal slurry from water in the next step.

Description

Coal slurry metering device and working principle thereof Technical Field The invention belongs to the technical field of coal mine equipment, and particularly relates to a coal slurry metering device and a working principle thereof. Background Drilling by a drilling machine under the mine to generate a large amount of coal slurry of the coal water slag mixture, which cannot be separated and measured, the coal cinder and the water can not be recycled, and the coal cinder in the coal slurry is difficult to transport. The metering device is one kind of fluid conveying machinery and features that it can maintain constant flow rate independent of exhaust pressure, and the metering device may be used to complete conveying, metering and regulating functions simultaneously. The existing metering device cannot meter the coal and water of the coal slurry mixture. Disclosure of Invention In order to solve the technical problems, the invention provides a coal slurry metering device and a working principle thereof, wherein the coal slurry metering device calculates the quantity of coal slag and water by arranging a flowmeter and a concentration meter, notifies the passing coal slurry water of the quantity of the coal slag and the water at any time by arranging a flow display screen, and performs filtering and separating operation of water and coal on the coal slurry by arranging a structure capable of blocking and separating a connecting pipe. The invention adopts the technical scheme that: A coal slurry metering device comprises a metering pump main body, wherein a pump body connecting seat is arranged in the middle of the right side of the metering pump main body, the right end of the pump body connecting seat is connected with a pump head group, the left end of the metering pump main body is provided with an adjusting knob, the bottom end of the metering pump main body is connected with a flowmeter and concentration meter structure, and the bottom end of the pump head group is provided with a connecting pipe structure capable of blocking separation. The flowmeter and concentration meter structure comprises a coal slurry pipe, a flowmeter, a concentration meter, a display screen and a control cabinet cable, wherein the flowmeter and the concentration meter are arranged in the left end and the right end of the coal slurry pipe, the display screen is connected below the coal slurry pipe, and the other end of the display screen is electrically connected with the control cabinet cable. Preferably, the concentration meter adopts an electromagnetic flowmeter, the measuring tube adopts a non-magnetic alloy short tube lined with insulating materials, two ‌ electrodes penetrate through the tube wall along the tube diameter direction and are fixed on the measuring tube, and ‌ electrode heads of the electrodes are basically flush with the inner surface of the lining. When the ‌ field coil is excited by square wave pulses, ‌ will generate a magnetic field of magnetic flux density in a direction perpendicular to the axis of the measurement tube. The blocking and separating connecting pipe structure comprises a connecting box, blocking frames are fixed on the inner walls of the connecting box through bolts, separating meshes are fixed on the inner walls of the left side and the right side of the blocking frames through bolts, connecting pipes are connected to the middle positions of the bottom ends of the connecting box through threads, and water outlet pipes are connected to the middle positions of the left side and the right side of the bottom ends of the connecting box through threads respectively. The beneficial effects of the invention are as follows: In the invention, the metering pump main body, the coal slurry pipe, the flowmeter, the concentration meter, the display screen and the control cabinet cable are mutually matched, which is favorable for measuring the amounts of coal slurry, coal cinder and water in the using process and displaying the data of the amounts at any time. In the invention, the pump head group, the connection box, the blocking frame, the separation net piece, the connecting pipe and the water outlet pipe are mutually matched, and the coal slurry is separated after the blocking frame and the separation net piece are matched in the use process, so that the foundation is laid for separating the coal slag of the coal slurry from the water in the next step after the water is separated from the coal slag. Drawings Fig. 1 is a schematic structural view of the present invention. FIG. 2 is a schematic structural diagram of a flow meter and concentration structure of the present invention. Fig. 3 is a schematic structural view of the barrier-separable adaptor tube structure of the present invention. In the figure: 1. a metering pump body; 2, a pump body connecting seat, 3, a pump head group, 4, an adjusting knob, 5, a flowmeter and concentration structure, 51, a coal slurry pipe, 52, a flowmeter, 53, a concentr