CN111889219B - Mill with pressure difference and temperature detection function - Google Patents
Mill with pressure difference and temperature detection function Download PDFInfo
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- CN111889219B CN111889219B CN202010725914.XA CN202010725914A CN111889219B CN 111889219 B CN111889219 B CN 111889219B CN 202010725914 A CN202010725914 A CN 202010725914A CN 111889219 B CN111889219 B CN 111889219B
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- mill
- differential pressure
- baffle
- ecu
- conveying fan
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
- B02C23/30—Passing gas through crushing or disintegrating zone the applied gas acting to effect material separation
Abstract
The invention relates to the technical field of mills, in particular to a mill with pressure difference and temperature detection functions, which comprises a mill body and a base, wherein the mill body is connected with a conveying mechanism through two connecting pipes, the top of one connecting pipe is provided with an opening, a sealing rubber pad is bonded along the peripheral side edge of the opening, the top of the sealing rubber pad is provided with a baffle, two ends of the baffle are connected with the connecting pipes through positioning mechanisms, the top of the baffle is provided with two screw holes, and the insides of the two screw holes are respectively in threaded connection with a thermometer and a differential pressure gauge. According to the invention, the temperature sensor, the differential pressure sensor and the ECU are arranged, the temperature sensor and the differential pressure sensor transmit monitored signals to the ECU through the conducting wires, the ECU judges through a self system and transmits a judged structure to the mill control terminal through the conducting wires, so that the mill control terminal can conveniently control the operation of the mill, and the protection effect on the mill is conveniently realized.
Description
Technical Field
The invention relates to the technical field of mills, in particular to a mill with pressure difference and temperature detection functions.
Background
The grinding machine is used for conveniently discharging the fine-powder baking soda from a grinding cavity of the grinding machine by using a conveying fan in the process of grinding the baking soda, however, the grinding machine generates heat in the process of grinding the baking soda, the working time of the grinding machine is prolonged along with the increase of the grinding quantity of the baking soda, the temperature of the grinding machine is further increased, and the grinding machine is easily stopped due to high-temperature failure;
in the discharging process of the fine powder baking soda, the baking soda in subdivisions can be adhered to the inner walls of the two connecting pipes along with the flowing of gas, and the fine powder baking soda adhered to the inner walls of the two connecting pipes is gradually increased along with the increase of the grinding workload of the grinding machine on the baking soda, so that the two connecting pipes are not smoothly ventilated, the differential pressure between the two connecting pipes is easily increased, and the grinding machine is further vibrated to influence the use of the grinding machine.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a grinding machine with a pressure difference and temperature detection function.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a mill with pressure difference and temperature detection functions comprises a mill body and a base, wherein the mill body is installed at the top of the base through screws, a feeding mechanism and an air inlet mechanism are connected to the mill body respectively, the mill body is connected with a conveying mechanism through two connecting pipes, an opening is formed in the top of one connecting pipe, a sealing rubber pad is bonded along the peripheral side edge of the opening, a baffle is placed at the top of the sealing rubber pad, two ends of the baffle are connected with the connecting pipes through a positioning mechanism, two screw holes are formed in the top of the baffle, a thermometer and a differential pressure gauge are in threaded connection with the insides of the two screw holes respectively, one ends of the thermometer and the differential pressure gauge extend to the inside of the connecting pipes, a temperature sensor is installed on the surface of the baffle in a penetrating mode, one end of the temperature sensor extends to the inside of the connecting pipes, the temperature sensor is connected with the baffle through a fixing mechanism, the differential pressure gauge is connected with a differential pressure sensor through a gas transmission pipeline, the differential pressure sensor is connected with an electromagnetic valve through the gas transmission pipeline, the electromagnetic valve is connected with one end of another connecting pipe through the gas transmission pipeline, the top of the baffle is installed through a screw, and the electromagnetic valve, the temperature sensor and the differential pressure sensor are all connected with the ECU through wires. Two install through the screw and carry fan flexible coupling between the connecting pipe, carry fan flexible coupling to be canvas flexible joint. The fixing mechanism comprises a fixing plate, a sealing rubber ring is bonded to the bottom of the fixing plate, the bottom of the sealing rubber ring is in contact with the top of the baffle, and the fixing plate is fixedly connected with the baffle through screws. Preferably, the feeding mechanism comprises a feeding pneumatic pipe and a bin star-shaped discharge valve, one end of the feeding pneumatic pipe is connected with the mill body, a silencer is arranged at the feeding port at the other end of the feeding pneumatic pipe, the bin star-shaped discharge valve is installed at the top of the feeding pneumatic pipe in a penetrating mode, and a discharge valve support is installed at the bottom of the feeding pneumatic pipe.
Preferably, the air inlet mechanism comprises an air inlet box air adjusting door, one end of the air inlet box air adjusting door is connected with the mill body, the other end of the air inlet box air adjusting door is connected with a grinding cavity air inlet box, and an air inlet box silencer is installed on the surface of the grinding cavity air inlet box in a penetrating mode.
Preferably, conveying mechanism includes the conveying fan support, the conveying fan support is located one side of connecting pipe, the top of conveying fan support is installed conveying fan through the screw, conveying fan air adjusting door is installed to conveying fan's air outlet, the one end and the conveying fan of connecting pipe are connected.
Preferably, positioning mechanism includes the fixed plate, the fixed plate cover is established on temperature sensor's surface, the side welding of fixed plate is on the surface of connecting pipe, the top welding of fixed plate has two symmetrical arrangement's double-screw bolt at least, the one end of double-screw bolt runs through the surface of baffle and extends to the top of baffle, the one end threaded connection of double-screw bolt has fastening nut, fastening nut's bottom and the top contact of baffle.
Preferably, the ECU is connected with a control terminal of the mill through a wire.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the temperature sensor, the differential pressure sensor and the ECU are arranged, the temperature sensor is used for monitoring the temperature in one end of the connecting pipe close to the mill, the differential pressure sensor is used for monitoring the differential pressure between the two connecting pipes, the temperature sensor and the differential pressure sensor transmit the monitored signals to the ECU through the conducting wires, the ECU judges through a self system and transmits the judged structure to the mill control terminal through the conducting wires, so that the mill control terminal can conveniently control the work of the mill, and the protection effect on the mill is conveniently realized.
The temperature gauge and the differential pressure gauge are arranged, so that the numerical values of the temperature and the differential pressure in the connecting pipe can be conveniently displayed, and workers can conveniently check the numerical values of the temperature and the differential pressure of the connecting pipe.
Drawings
FIG. 1 is a front view of a mill of the present invention with differential pressure and temperature sensing;
FIG. 2 is a side view of a mill of the present invention having differential pressure and temperature sensing capabilities;
FIG. 3 is a top view of a mill having differential pressure and temperature sensing capabilities in accordance with the present invention;
FIG. 4 is a schematic view of a connection structure of a baffle plate and a connecting pipe of the mill with pressure difference and temperature detection functions;
FIG. 5 is a sectional view showing a connection structure of a baffle plate and a connection pipe of a mill having a differential pressure and temperature detecting function according to the present invention;
FIG. 6 is a schematic diagram of a temperature sensor structure of a grinding machine with differential pressure and temperature detection functions according to the present invention.
In the figure: the grinding machine comprises a grinding machine body 1, an air inlet box silencer 2, a feeding port silencer 3, a bin star-shaped discharge valve 4, a conveying fan 5, a base 6, a grinding cavity air inlet box 7, a feeding pneumatic pipe 8, a discharge valve support 9, a conveying fan air adjusting door 10, a conveying fan flexible connection 11, a conveying fan support 12, a connecting pipe 13, an air inlet box air adjusting door 14, a thermometer 15, a differential pressure gauge 16, a temperature sensor 17, a stud 18, a baffle 19, a screw hole 20, a fixing plate 21, a fixing plate 22, an ECU 23, a fastening nut 24, a differential pressure sensor 25, a sealing rubber ring 26, an electromagnetic valve 27, an opening 28 and a sealing rubber gasket 29.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
1-6, including mill body 1 and base 6, mill body 1 passes through the screw installation at the top of base 6, be connected with feed mechanism and air inlet mechanism on the mill body 1 respectively, feed mechanism includes feed pneumatic tube 8 and feed bin star type discharge valve 4, the one end of feed pneumatic tube 8 is connected with mill body 1, the other end feed opening muffler 3 of feed pneumatic tube 8, feed bin star type discharge valve 4 runs through and installs at the top of feed pneumatic tube 8, discharge valve support 9 is installed to the bottom of feed pneumatic tube 8, along with the work of conveying fan 5, gas is carried to the inside of feed pneumatic tube 8 from feed opening muffler 3, open feed bin star type discharge valve 4 this moment, make the interior thick soda powder of feed bin along with the gaseous flow entering mill's of flow intracavity. The discharge valve support 9 is used for supporting the stock bin star-shaped discharge valve 4. The feed inlet silencer 3 is used for eliminating noise generated in the gas flowing process and improving the comfort of the working environment.
The mechanism of admitting air includes inlet box air damper 14, the one end and the mill body 1 of inlet box air damper 14 are connected, the other end of inlet box air damper 14 is connected with grinds chamber inlet box 7, the surface of grinding chamber inlet box 7 is run through and is installed inlet box muffler 2, along with conveying fan 5's work, gaseous 2 inside that get into from inlet box muffler and grind chamber inlet box 7, gaseous 7 inside of grinding the chamber from grinding chamber inlet box is carried to the mill after that, be convenient for blow off the fine soda powder from grinding the intracavity. The muffler 2 of the air inlet box also eliminates the noise generated in the flowing process of the air, and further improves the comfort level of the working environment. And the air inlet box air adjusting door 14 is used for adjusting the gas flowing efficiency between the grinding cavity air inlet box 7 and the grinding cavity, so that the air inflow is adjusted.
Mill body 1 is connected with conveying mechanism through two connecting pipes 13, has conveying fan flexible coupling 11 through the mounting screw between two connecting pipes 13, and conveying fan flexible coupling 11 is the canvas flexible joint. The connection between the two connection pipes 13 is facilitated. Conveying mechanism includes conveying fan support 12, conveying fan support 12 is located one side of connecting pipe 13, conveying fan 5 is installed through the screw at the top of conveying fan support 12, conveying fan air damper 10 is installed to conveying fan 5's air outlet, the one end and the conveying fan 5 of connecting pipe 13 are connected, conveying fan 5, be used for driving gaseous flow, therefore, the air outlet of conveying fan 5 is discharged along with gaseous flow from the grinding intracavity back to the soda powder, conveying fan air damper 10 is used for adjusting the size of conveying fan 5's air outlet, be convenient for control the discharge of soda powder. The conveying fan support 12 is used for supporting the conveying fan 5, and further improving the stability of the position of the conveying fan 5.
An opening 28 is formed in the top of one connecting pipe 13, a sealing rubber pad 29 is bonded along the peripheral side edge of the opening 28, a baffle plate 19 is placed on the top of the sealing rubber pad 29, two ends of the baffle plate 19 are connected with the connecting pipe 13 through a positioning mechanism, the positioning mechanism comprises a fixing plate 22, the side face of the fixing plate 22 is welded on the surface of the connecting pipe 13, at least two symmetrically arranged studs 18 are welded on the top of the fixing plate 22, one ends of the studs 18 penetrate through the surface of the baffle plate 19 and extend to the upper side of the baffle plate 19, fastening nuts 24 are connected to one ends of the studs 18 in a threaded mode, the bottoms of the fastening nuts 24 are in contact with the top of the baffle plate 19, when the thermometer 15, the differential pressure gauge 16, the temperature sensor 17 and the differential pressure sensor 25 are taken out of the connecting pipe 13, only the fastening nuts 24 need to be rotated, when the fastening nuts 24 are taken out of the studs 18, the baffle plate 19 only needs to be pulled upwards, and the baffle plate 19 slides out of the stud 18, and then conveniently take out thermometer 15, differential pressure gauge 16, temperature sensor 17 and differential pressure sensor 25 from connecting pipe 13, made things convenient for the staff to maintain thermometer 15, differential pressure gauge 16, temperature sensor 17 and differential pressure sensor 25, improved the convenience of staff's operation. The sealing rubber gasket 29 is used to improve the sealing between the baffle plate 19 and the connecting pipe 13.
Two screw holes 20 have been seted up at baffle 19's top, there are thermometer 15 and differential pressure gauge 16 in the inside difference threaded connection of two screw holes 20, the one end of thermometer 15 and differential pressure gauge 16 all extends to the inside of connecting pipe 13, baffle 19's surface is run through and is installed temperature sensor 17, temperature sensor 17's one end extends to the inside of connecting pipe 13, temperature sensor 17 is used for measuring the inside temperature of connecting pipe 13 that is close to the mill, because this connecting pipe 13 is close to the mill, temperature sensor 17 conveniently measures the temperature in the grinding chamber.
Connect through fixed establishment between temperature sensor 17 and the baffle 19, fixed establishment includes fixed plate 21, fixed plate 21 cover is established on temperature sensor 17's surface, the bottom of fixed plate 21 bonds and has sealing rubber circle 26, sealing rubber circle 26's bottom and the top contact of baffle 19, fixed plate 21 is connected fixedly through screw and baffle 19, sealing rubber circle 26 is used for improving the leakproofness between temperature sensor 17 and the baffle 19, the setting of fixed plate 21 and screw, the stability of installing on baffle 19 surface at high temperature sensor 17 has been improved. If temperature sensor 17 senses that the temperature in connecting pipe 13 exceeds its preset value, temperature sensor 17 transmits the signal to ECU 23, ECU 23 transmits the signal processing back to mill control terminal, and the braking equipment stop work on the mill of mill control terminal control for play the effect of protection to the mill.
The differential pressure gauge 16 is connected with a differential pressure sensor 25 through a gas transmission pipeline, the differential pressure sensor 25 is connected with an electromagnetic valve 27 through the gas transmission pipeline, the electromagnetic valve 27 is connected with one end of the other connecting pipe 13 through the gas transmission pipeline, the top of the baffle plate 19 is installed through a screw, and the electromagnetic valve 27, the temperature sensor 17 and the differential pressure sensor 25 are all connected with the ECU 23 through leads. The ECU 23 is connected with a control terminal of the grinder through a wire. The ECU 23 is an electronic control unit, also referred to as a drive computer. Differential pressure sensor 25 is used for monitoring the differential pressure between two connecting pipes 13, if the differential pressure is great, then the unsmooth condition of gas flow appears in appearance between two connecting pipes 13, consequently, differential pressure sensor 25 gives ECU 23 with signal transmission, and ECU 23 gives mill control terminal with signal processing after the transmission, and the braking device stop work on the mill of mill control terminal control mill for play the effect of protection to the mill.
By arranging the thermometer 15 and the differential pressure gauge 16, the numerical values of the temperature and the differential pressure in the connecting pipe 13 can be conveniently displayed, and the temperature and the differential pressure of the connecting pipe 13 can be conveniently checked by a worker in real time.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The grinding machine with the pressure difference and temperature detection functions comprises a grinding machine body (1) and a base (6), wherein the grinding machine body (1) is installed at the top of the base (6) through screws, the grinding machine body (1) is connected with a feeding mechanism and an air inlet mechanism respectively, the grinding machine body (1) is connected with a conveying mechanism through two connecting pipes (13), the grinding machine is characterized in that one of the two connecting pipes (13) is provided with an opening (28) at the top, a sealing rubber gasket (29) is bonded along the peripheral side edge of the opening (28), a baffle (19) is placed at the top of the sealing rubber gasket (29), two ends of the baffle (19) are connected with the connecting pipes (13) through a positioning mechanism, two screw holes (20) are formed in the top of the baffle (19), and a thermometer (15) and a differential pressure gauge (16) are in threaded connection with the insides of the two screw holes (20) respectively, one end of the thermometer (15) and one end of the differential pressure gauge (16) both extend to the inside of the connecting pipe (13), the surface of the baffle plate (19) is provided with a temperature sensor (17) in a penetrating way, one end of the temperature sensor (17) extends to the inside of the connecting pipe (13), the temperature sensor (17) and the baffle plate (19) are connected through a fixing mechanism, the differential pressure gauge (16) is connected with a differential pressure sensor (25) through a gas transmission pipeline, the differential pressure sensor (25) is connected with an electromagnetic valve (27) through a gas transmission pipeline, the electromagnetic valve (27) is connected with one end of another connecting pipe (13) through a gas transmission pipeline, the top of the baffle plate (19) is installed through a screw, the electromagnetic valve (27), the temperature sensor (17) and the differential pressure sensor (25) are all connected with the ECU (23) through wires, and two conveying fan soft connection (11) is installed between the connecting pipes (13) through a screw, the conveying fan flexible connection (11) is a canvas flexible joint, the fixing mechanism comprises a fixing plate (21), the fixing plate (21) is sleeved on the surface of the temperature sensor (17), a sealing rubber ring (26) is bonded at the bottom of the fixing plate (21), the bottom of the sealing rubber ring (26) is in contact with the top of the baffle (19), and the fixing plate (21) is fixedly connected with the baffle (19) through a screw; when temperature surpassed its default in temperature sensor (17) induction connecting pipe (13), temperature sensor (17) give ECU (23) with signal transmission, ECU (23) give mill control terminal with signal processing after transmission, and the braking equipment stop work on the mill of mill control terminal control mill, differential pressure sensor (25) are used for monitoring the differential pressure between two connecting pipes (13), if the differential pressure is great, then appear the obstructed condition of gas flow between two connecting pipes (13) and appear, differential pressure sensor (25) give ECU (23) with signal transmission, ECU (23) give mill control terminal with signal processing after transmission, and the braking equipment stop work on the mill of mill control terminal control mill.
2. The mill with the pressure difference and temperature detection functions as claimed in claim 1, wherein the feeding mechanism comprises a feeding pneumatic pipe (8) and a bin star-shaped discharge valve (4), one end of the feeding pneumatic pipe (8) is connected with the mill body (1), the other end of the feeding pneumatic pipe (8) is provided with a feed silencer (3), the bin star-shaped discharge valve (4) is installed at the top of the feeding pneumatic pipe (8) in a penetrating manner, and a discharge valve support (9) is installed at the bottom of the feeding pneumatic pipe (8).
3. The mill with the pressure difference and temperature detection functions as claimed in claim 1, wherein the air inlet mechanism comprises an air inlet box air adjusting door (14), one end of the air inlet box air adjusting door (14) is connected with the mill body (1), the other end of the air inlet box air adjusting door (14) is connected with a grinding cavity air inlet box (7), and an air inlet box silencer (2) is mounted on the surface of the grinding cavity air inlet box (7) in a penetrating mode.
4. The mill with the pressure difference and temperature detection functions as claimed in claim 1, wherein the conveying mechanism comprises a conveying fan support (12), the conveying fan support (12) is located on one side of the connecting pipe (13), a conveying fan (5) is installed at the top of the conveying fan support (12) through a screw, a conveying fan damper (10) is installed at an air outlet of the conveying fan (5), and one end of the connecting pipe (13) is connected with the conveying fan (5).
5. The mill with the pressure difference and temperature detection function according to claim 1, wherein the positioning mechanism comprises a fixing plate (22), the side surface of the fixing plate (22) is welded on the surface of the connecting pipe (13), at least two symmetrically arranged studs (18) are welded on the top of the fixing plate (22), one end of each stud (18) penetrates through the surface of the baffle (19) and extends above the baffle (19), one end of each stud (18) is connected with a fastening nut (24) in a threaded mode, and the bottom of each fastening nut (24) is in contact with the top of the baffle (19).
6. A mill with differential pressure and temperature detection function according to claim 1, characterized in that the ECU (23) is connected with the control terminal of the mill through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010725914.XA CN111889219B (en) | 2020-07-24 | 2020-07-24 | Mill with pressure difference and temperature detection function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010725914.XA CN111889219B (en) | 2020-07-24 | 2020-07-24 | Mill with pressure difference and temperature detection function |
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| CN111889219A CN111889219A (en) | 2020-11-06 |
| CN111889219B true CN111889219B (en) | 2022-03-18 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103216266A (en) * | 2012-01-21 | 2013-07-24 | 飞翼股份有限公司 | Pressure detecting method for preventing clogging of filling pipeline |
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| WO2009094612A2 (en) * | 2008-01-25 | 2009-07-30 | O'brien & Gere Engineers, Inc. | In-line milling system |
| JP6057146B2 (en) * | 2012-04-25 | 2017-01-11 | 宇部興産機械株式会社 | Grinding system |
| US9999891B2 (en) * | 2013-01-16 | 2018-06-19 | Orenda Automation Technologies Inc. | Air cooled rotating disc and mill assembly for reducing machines |
| CN208512754U (en) * | 2018-06-21 | 2019-02-19 | 河南黎明重工科技股份有限公司 | Carry the intelligent environment protection process units for preparing powder of long-range monitoring function |
| CN208348371U (en) * | 2018-06-24 | 2019-01-08 | 江苏高义物料系统设备有限公司 | Grinder |
| CN208771596U (en) * | 2018-09-12 | 2019-04-23 | 潍坊帕尔曼粉体设备有限公司 | Dry desulfurization sodium bicarbonate grinder |
| CN208894380U (en) * | 2018-09-13 | 2019-05-24 | 北京同仁堂（亳州）饮片有限责任公司 | A kind of medicinal herb grinder group |
| CN210584463U (en) * | 2019-06-03 | 2020-05-22 | 江苏智道工程技术有限公司 | A device that is used for CDQ pressure to adjust scattered gas desulfurization and dust removal |
| CN210522758U (en) * | 2019-08-31 | 2020-05-15 | 沈阳国科金能科技有限公司 | Reciprocating type automatic cycle grinder |
| CN111151367A (en) * | 2020-01-18 | 2020-05-15 | 华能国际电力股份有限公司井冈山电厂 | Coal mill and method for analyzing primary air volume thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216266A (en) * | 2012-01-21 | 2013-07-24 | 飞翼股份有限公司 | Pressure detecting method for preventing clogging of filling pipeline |
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