Automatic water replenishing device for circulating water tank of cement grinding mill

By setting up redundant pools, cold water chambers, and hot water chambers in the cement mill's circulating water tank, and using a return water pump and a three-way valve to control the water temperature, the problem of cooling water not being able to dissipate and be reused in a timely manner was solved, achieving efficient water resource recycling and effective cooling of the bearings.

CN223689006UActive Publication Date: 2025-12-19ANHUI PEARL CEMENT GRP CO LTD
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Patent Information

Application Number
CN202520093527.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-12-19
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

The cooling water in the existing cement mill circulating water tank cannot dissipate heat in time after carrying it, resulting in poor cooling effect. At the same time, the unused cooling water cannot be reused, which wastes water resources.

Method used

Design an automatic water replenishment device for a cement mill circulating water tank. By setting up redundant tanks, cold water chambers and hot water chambers, water is recycled using a return water pump and a three-way valve. Combined with condenser pipes and heating wires, the water temperature is adjusted, and the proportion of water entering the bearing bush is controlled for cooling.

Benefits of technology

This achieves efficient recycling of cooling water, improves the cooling effect of the bearing, and reduces water waste.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223689006U_ABST
Patent Text Reader

Abstract

The utility model provides an automatic water replenishing device for a circulating water pool of a cement grinding mill, which relates to the technical field of water replenishing of the circulating water pool of the cement grinding mill and comprises a circulating pool, a redundant pool used for collecting discharged water is arranged on one side of the circulating pool, and a piston shell is slidably mounted in the circulating pool. A cold water cavity and a hot water cavity are formed in the circulating pool and located on the two sides of the piston shell respectively, a three-way valve is arranged at a water inlet of the redundant pool, the redundant pool is arranged, the three-way valve and two water pumping pipes are arranged at the water inlet of the redundant pool, and the two water pumping pipes are communicated with the interior of the cold water cavity and the interior of the hot water cavity respectively. Therefore, water in the cold water cavity or the hot water cavity can be conveniently selected to be pumped according to conditions, water collected in the redundant pool is conveyed to the cold water cavity or the hot water cavity again through the water return pump to be recycled, and recycling of water resources is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cement mill circulating water pool water supplementing technical field especially relates to a cement mill circulating water pool automatic water supplementing device. BACKGROUND

[0002] In the existing cement mill bearing bush water cooling, the cooling water carrying heat through the bearing bush flows into the circulating water pool, and then flows into the cement mill bearing bush, the cooling water of circulating water pool carrying the heat of bearing bush does not dissipate in time and reflows into the bearing bush for cooling, the heat storage capacity of cooling water is limited, and the water without cooling cannot carry more heat, which leads to the poor cooling effect of bearing bush.

[0003] Therefore, a cement mill circulating water pool automatic water supplementing device with publication number CN221310895U, in use, the cooling water discharged from the cement mill bearing bush carrying heat flows into the circulating water pool, then the flow regulating valve on the drain pipe of the circulating water pool is opened to discharge part of the cooling water in the circulating water pool, then the flow regulating valve on the water inlet pipe of the circulating pipe is opened to introduce cold water, the circulating water pump is started to drive the mixing of cold water and cooling water in the circulating water pool into the second cooling member, then the cooled water is introduced into the water inlet pipe of the cement mill bearing bush, multiple ventilation pipes are horizontally arranged in the circulating water pool, and the two ends of the ventilation pipes penetrate the vertical end faces of the two sides of the circulating water pool. Multiple heat conducting ring pieces are sleeved and fixed on the ventilation pipes, the first fan is started to drive external air to flow through the ventilation pipes, the flowing air contacts the ventilation pipe wall and the heat conducting ring piece, so that the heat transferred by the water discharged from the cement mill bearing bush and entering the circulating water pool through the ventilation pipe wall and the heat conducting ring piece is carried away by the air, thereby accelerating the rapid dissipation of heat in the water in the circulating water pool.

[0004] However, the part of the cooling water in the circulating water pool discharged through the flow regulating valve on the drain pipe cannot be recycled and reused, which affects the reuse of water resources, so the existing technology easily wastes a lot of water resources. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems in the prior art and provides a cement mill circulating water pool automatic water supplementing device.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a cement mill circulating water pool automatic water replenishing device, including circulating pool, the one side of circulating pool is provided with the redundancy pool for collecting and discharging water, and the piston shell is slidably installed in the circulating pool, the both sides of the piston shell in the circulating pool form cold water cavity and hot water cavity respectively, the water inlet of redundancy pool is provided with three -way valve, two valve ports of three -way valve are connected with the water suction pipe respectively and two water suction pipes are communicated with the inside of cold water cavity and hot water cavity respectively, the water inlet of redundancy pool is provided with the backwater pump, the water outlet of backwater pump is also provided with three -way valve, and two valve ports of three -way valve on backwater pump are connected with the water supply pipe, and two water supply pipes are communicated with the inside of cold water cavity and hot water cavity respectively.

[0007] Preferably, the circulating pool is rotatably connected with a screw rod threadedly connected with the side surface of the piston shell, stirring blades are installed on the both sides of the piston shell, and a source condensing pipe and an electric heating wire are respectively installed on the side of the piston shell facing the cold water cavity and the hot water cavity.

[0008] Preferably, the circulating pool is provided with an inlet pipe for receiving cooling water in the cement mill bearing bush and an outlet pipe for supplying water to the cement mill bearing bush.

[0009] Preferably, the inlet pipe and the outlet pipe are each provided with three ports, one of which is communicated with the cement mill bearing bush, the other two are each provided with an internal flow regulating valve and are respectively communicated with the inside of the cold water cavity and the hot water cavity.

[0010] Preferably, the wall of the redundancy pool is rotatably connected with metal fins, the part of the metal fins outside the redundancy pool is fixedly installed with a heat preservation shell, the cavity walls of the cold water cavity and the hot water cavity are rotatably provided with temperature guide fins, and the two temperature guide fins extend to the both sides of the heat preservation shell at one end and are used to contact the surface of the metal fins.

[0011] Preferably, the outer wall of the circulating pool is fixedly connected with a heat preservation cover sleeved on the surface of the temperature guide fin, and the heat preservation cover extends to the heat preservation shell at one end and is rotatably connected with the outside of the heat preservation shell.

[0012] Preferably, the top surface of the heat preservation shell is fixedly connected with a toothed disc, and a gear meshingly connected with the toothed disc and driven by a servo motor is installed on the redundancy pool.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that,

[0014] 1. In the utility model, the redundancy pool is provided, the three-way valve and the two water suction pipes are arranged at the water inlet of the redundancy pool, the two water suction pipes are respectively communicated with the inside of the cold water cavity and the hot water cavity, so that it is convenient to select the water in the cold water cavity or the hot water cavity according to the situation, the backwater pump is used to realize the recycling of the water collected in the redundancy pool, and the water resource recycling is guaranteed.

[0015] 2、 The utility model discloses a water temperature in cold water cavity and hot water cavity is adjusted through setting condenser pipe and heating wire, through the opening degree of the flow regulating valve of water inlet pipe and water outlet pipe two ends control, can control the water of after use in the bushing to enter cold water cavity and hot water cavity with different proportion, or realize the cold, hot water in cold water cavity and hot water cavity to be discharged along water outlet pipe with different proportion and reenter the bushing for cooling. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of the automatic water replenishing device for cement mill circulating pool is provided for the utility model;

[0017] Figure 2 A side view structure schematic view of the automatic water replenishing device for cement mill circulating pool is provided for the utility model; Figure 1

[0018] Figure 3 A bottom view structure schematic view of the automatic water replenishing device for cement mill circulating pool is provided for the utility model; Figure 1

[0019] A side view structure schematic view of the automatic water replenishing device for cement mill circulating pool is provided for the utility model; Figure 4 Figure 3 A sectional view structure schematic view of the automatic water replenishing device for cement mill circulating pool is provided for the utility model;

[0020] Figure 5 A sectional view structure schematic view of the automatic water replenishing device for cement mill circulating pool is provided for the utility model; Figure 1

[0021] A sectional view structure schematic view of the automatic water replenishing device for cement mill circulating pool is provided for the utility model; Figure 6 Figure 5 A sectional view structure schematic view of the automatic water replenishing device for cement mill circulating pool is provided for the utility model.

[0022] Figure 7 Figure 6

[0023] Legend: 1, circulating pool; 2, redundancy pool; 3, backwater pump; 4, three-way valve; 5, water supply pipe; 6, metal fin; 7, heat preservation cover; 8, water suction pipe; 9, water outlet pipe; 10, water inlet pipe; 11, temperature guide fin; 12, screw rod; 13, piston shell; 14, cold water cavity; 15, hot water cavity; 16, stirring blade; 17, heat preservation shell; 18, toothed disc; 19, gear. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described below in combination with the drawings and examples.It should be explained that the examples and features in the examples of the present application can be combined with each other without conflict.

[0025] ​​​​​Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0026] like Figures 1-7 As shown, an automatic water replenishment device for a cement mill circulating water tank includes a circulating tank 1. A redundant tank 2 for collecting discharged water is provided on one side of the circulating tank 1. A piston shell 13 is slidably installed inside the circulating tank 1. Cold water chambers 14 and hot water chambers 15 are formed on both sides of the piston shell 13 in the circulating tank 1, respectively. The spatial ratio of the cold water chambers 14 and hot water chambers 15 can be adjusted by moving the piston shell 13 within the circulating tank 1. The piston shell 13 is made of heat-insulating material to prevent heat conduction on both sides. A three-way valve 4 is provided at the inlet of the redundant tank 2. One valve port of the three-way valve 4 is connected to the inside of the redundant tank 2, and the other two valve ports have built-in switching valves. Both valve ports of 4 are connected to water pumping pipes 8, and the two water pumping pipes 8 are respectively connected to the interior of cold water chamber 14 and hot water chamber 15. Therefore, it is convenient to select whether to pump water from cold water chamber 14 or hot water chamber 15 according to the situation. The inlet of the redundant pool 2 is equipped with a return water pump 3, and the outlet of the return water pump 3 is also equipped with a three-way valve 4. Both valve ports of the three-way valve 4 on the return water pump 3 are connected to water supply pipes 5, and the two water supply pipes 5 are respectively connected to the interior of cold water chamber 14 and hot water chamber 15. By controlling the opening and closing of any valve port of the three-way valve 4, the water collected in the redundant pool 2 can be re-transported to the cold water chamber 14 or hot water chamber 15 for repeated use using the return water pump 3.

[0027] Furthermore, a screw 12 is rotatably connected to the side of the piston shell 13 within the circulation tank 1. The piston shell 13 moves within the circulation tank 1 by rotating the screw 12. Stirring blades 16 are installed on both sides of the piston shell 13, and a source condenser tube and an electric heating wire are respectively installed on the side of the piston shell 13 facing the cold water chamber 14 and the hot water chamber 15. The condenser tube can cool the water in the cold water chamber 14, while the electric heating wire can heat the water in the hot water chamber 15, thus facilitating the control of the temperature of the mixed water that finally re-enters the bearing bush. The stirring blades 16 can also agitate the water flow in the corresponding cold water chamber 14 or hot water chamber 15, adding water for mixing and diffusion. The screw 12 and stirring blades 16 can both be driven to rotate by a servo motor installed outside the circulation tank 1 or inside the piston shell 13.

[0028] Further, the circulating pool 1 is externally provided with an inlet pipe 10 for receiving the cooling water in the cement mill bearing bush and an outlet pipe 9 for passing water into the cement mill bearing bush, the inlet pipe 10 and the outlet pipe 9 are each provided with three ports, one of which is in communication with the cement mill bearing bush, the other two are each internally connected with the cold water cavity 14 and the hot water cavity 15 through the built-in flow regulating valve, by controlling the opening degree of the flow regulating valves at both ends of the inlet pipe 10 and the outlet pipe 9, the used water in the bearing bush can be controlled to enter the cold water cavity 14 and the hot water cavity 15 in different proportions, or the cold and hot water in the cold water cavity 14 and the hot water cavity 15 can be discharged along the outlet pipe 9 in different proportions and re-enter the bearing bush for cooling.

[0029] Further, the wall of the redundancy pool 2 is rotatably connected with metal fins 6, the part of the metal fins 6 outside the redundancy pool 2 is fixedly installed with a heat preservation shell 17, the cavity walls of the cold water cavity 14 and the hot water cavity 15 are each provided with temperature guide fins 11, one end of the two temperature guide fins 11 extends to the two sides of the heat preservation shell 17 and is used for contacting the surface of the metal fins 6, the outer wall of the circulating pool 1 is fixedly connected with a heat preservation cover 7 which is sleeved on the surface of the temperature guide fins 11, one end of the heat preservation cover 7 extends to the heat preservation shell 17 and is rotatably connected with the outside of the heat preservation shell 17, the top surface of the heat preservation shell 17 is fixedly connected with a gear disc 18, the redundancy pool 2 is installed with a gear 19 which is meshingly connected with the gear disc 18 and is driven by a servo motor, in use, the gear 19 is driven to rotate by the servo motor to drive the heat preservation shell 17 to rotate through the gear disc 18, so that the metal fins 6 can be rotated to align with one of the temperature guide fins 11, and the temperature in the cold water cavity 14 or the hot water cavity 15 can be transmitted to the redundancy pool 2 through the contact of the temperature guide fins 11 with the metal fins 6, so as to adjust the temperature of the redundant water collected in the redundancy pool 2, and facilitate the repeated use without causing too large change of the water temperature in the cold water cavity 14 or the hot water cavity 15.

[0030] Working principle, in use, the position of the piston shell 13 in the circulating pool 1 is adjusted according to the required proportion of cold and hot water, the space proportion of the cold water cavity 14 and the hot water cavity 15 is adjusted, the used cooling water in the bearing bush enters the cold water cavity 14 and the hot water cavity 15 in different flow rates through the inlet pipe 10, and when the position of the piston shell 13 is adjusted, in order to prevent the water in the cold water cavity 14 or the hot water cavity 15 from interfering when the space decreases, the corresponding water suction pipe 8 is opened, so that the water in the cold water cavity 14 or the hot water cavity 15 can enter the redundancy pool 2 for temporary collection under the extrusion of the piston shell 13, and when the space in the hot water cavity 15 or the cold water cavity 14 increases to cause insufficient water demand, the water collected in the redundancy pool 2 can be pumped and supplemented into the hot water cavity 15 or the cold water cavity 14 through the water return pump 3 and the corresponding water supply pipe 5.

[0031] The wiring diagram of the three-way valve 4, the backwater pump 3, the flow regulating valve, the servo motor, the condenser pipe and the heating wire belongs to the common knowledge in the field, and the working principle is a known technology, and the model is selected according to actual use, so the control mode and the wiring arrangement of the three-way valve 4, the backwater pump 3, the flow regulating valve, the servo motor, the condenser pipe and the heating wire are not explained in detail.

[0032] The above is only a preferred embodiment of the utility model, and is not other forms of the utility model, any skilled person in the art can change or modify the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model without departing from the technical scheme content of the utility model still belongs to the protection scope of the technical scheme of the utility model.

Claims

1. A cement mill circulating water tank automatic water replenishing device, comprising a circulating tank (1), characterized in that: The circulating pool (1) is provided with a redundant pool (2) for collecting drainage water on one side, and a piston shell (13) is slidingly installed in the circulating pool (1), cold water cavity (14) and hot water cavity (15) are formed on both sides of the piston shell (13) in the circulating pool (1), a three-way valve (4) is arranged at the water inlet of the redundant pool (2), two valve ports of the three-way valve (4) are connected with water suction pipes (8), and the two water suction pipes (8) are respectively communicated with the inside of the cold water cavity (14) and the hot water cavity (15), a backwater pump (3) is arranged at the water inlet of the redundant pool (2), a three-way valve (4) is also arranged at the water outlet of the backwater pump (3), two valve ports of the three-way valve (4) on the backwater pump (3) are connected with water supply pipes (5), and the two water supply pipes (5) are respectively communicated with the inside of the cold water cavity (14) and the hot water cavity (15).

2. The automatic water supplementing device for the cement mill circulating water tank according to claim 1, characterized in that: The circulating pool (1) is provided with a redundant pool (2) for collecting drainage water on one side, and a piston shell (13) is slidingly installed in the circulating pool (1), cold water cavity (14) and hot water cavity (15) are formed on both sides of the piston shell (13) in the circulating pool (1), a three-way valve (4) is arranged at the water inlet of the redundant pool (2), two valve ports of the three-way valve (4) are connected with water suction pipes (8), and the two water suction pipes (8) are respectively communicated with the inside of the cold water cavity (14) and the hot water cavity (15), a backwater pump (3) is arranged at the water inlet of the redundant pool (2), a three-way valve (4) is also arranged at the water outlet of the backwater pump (3), two valve ports of the three-way valve (4) on the backwater pump (3) are connected with water supply pipes (5), and the two water supply pipes (5) are respectively communicated with the inside of the cold water cavity (14) and the hot water cavity (15).

3. The automatic water supplementing device for the cement mill circulating water tank according to claim 1, characterized in that: The circulating pool (1) is provided with a redundant pool (2) for collecting drainage water on one side, and a piston shell (13) is slidingly installed in the circulating pool (1), cold water cavity (14) and hot water cavity (15) are formed on both sides of the piston shell (13) in the circulating pool (1), a three-way valve (4) is arranged at the water inlet of the redundant pool (2), two valve ports of the three-way valve (4) are connected with water suction pipes (8), and the two water suction pipes (8) are respectively communicated with the inside of the cold water cavity (14) and the hot water cavity (15), a backwater pump (3) is arranged at the water inlet of the redundant pool (2), a three-way valve (4) is also arranged at the water outlet of the backwater pump (3), two valve ports of the three-way valve (4) on the backwater pump (3) are connected with water supply pipes (5), and the two water supply pipes (5) are respectively communicated with the inside of the cold water cavity (14) and the hot water cavity (15).

4. The automatic water supplementing device for the cement mill circulating water tank according to claim 3, characterized in that: The circulating pool (1) is provided with a redundant pool (2) for collecting drainage water on one side, and a piston shell (13) is slidingly installed in the circulating pool (1), cold water cavity (14) and hot water cavity (15) are formed on both sides of the piston shell (13) in the circulating pool (1), a three-way valve (4) is arranged at the water inlet of the redundant pool (2), two valve ports of the three-way valve (4) are connected with water suction pipes (8), and the two water suction pipes (8) are respectively communicated with the inside of the cold water cavity (14) and the hot water cavity (15), a backwater pump (3) is arranged at the water inlet of the redundant pool (2), a three-way valve (4) is also arranged at the water outlet of the backwater pump (3), two valve ports of the three-way valve (4) on the backwater pump (3) are connected with water supply pipes (5), and the two water supply pipes (5) are respectively communicated with the inside of the cold water cavity (14) and the hot water cavity (15).

5. The automatic water supplementing device for the cement mill circulating water tank according to claim 1, characterized in that: The circulating pool (1) is provided with a redundant pool (2) for collecting drainage water on one side, and a piston shell (13) is slidingly installed in the circulating pool (1), cold water cavity (14) and hot water cavity (15) are formed on both sides of the piston shell (13) in the circulating pool (1), a three-way valve (4) is arranged at the water inlet of the redundant pool (2), two valve ports of the three-way valve (4) are connected with water suction pipes (8), and the two water suction pipes (8) are respectively communicated with the inside of the cold water cavity (14) and the hot water cavity (15), a backwater pump (3) is arranged at the water inlet of the redundant pool (2), a three-way valve (4) is also arranged at the water outlet of the backwater pump (3), two valve ports of the three-way valve (4) on the backwater pump (3) are connected with water supply pipes (5), and the two water supply pipes (5) are respectively communicated with the inside of the cold water cavity (14) and the hot water cavity (15).

6. The automatic water supplementing device for the cement mill circulating water tank according to claim 5, characterized in that: ​ 7. The automatic water supplementing device for the cement grinding cycle water tank according to claim 5, characterized in that: ​

Citation Information

Patent Citations

  • Automatic water replenishing device for circulating water tank of cement grinding mill

    CN221310895U