CN216767961U

CN216767961U - Hydraulic cooling device for industrial filling pump equipment

Info

Publication number: CN216767961U
Application number: CN202220292304.XU
Authority: CN
Inventors: 马宗玉; 刘力齐
Original assignee: Inner Mongolia Chende Construction Engineering Co ltd
Current assignee: Inner Mongolia Chende Construction Engineering Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-06-17
Anticipated expiration: 2032-02-14

Abstract

The utility model discloses a hydraulic cooling device for industrial filling pump equipment, which comprises an oil tank, an oil pump, a high-pressure oil working area, an air cooler and a water cooler. The oil tank comprises a low-temperature oil chamber and a high-temperature oil chamber, an inlet of the oil pump is communicated with the low-temperature oil chamber, an outlet of the air cooler is communicated with the high-temperature oil chamber, the oil tank also comprises a water cooler of the low-temperature oil chamber, the water cooler is communicated with the high-temperature oil chamber through an oil inlet pipe of the water cooler, the water cooler is also respectively connected with a circulating cooling liquid outlet pipe and a water cooler inlet pipe, and a water inlet pipe of the water cooler is connected with a circulating pump inlet pipe from mine drainage water or a fire pool through a cooling circulating pump; the utility model has advanced cold-heat exchange process, low failure rate, convenient maintenance and no need of large-scale equipment investment, can circulate and strongly cool the heat exchange by the high-level water tank cooling liquid or the cooling liquid pump with smaller power, has lower cold-heat conversion cost, improves the service life of the elements of the main pump hydraulic system by more than one time, improves the overhaul period by more than one time, greatly reduces the maintenance cost and greatly improves the filling production efficiency.

Description

Hydraulic cooling device for industrial filling pump equipment

Technical Field

The utility model belongs to the technical field of filling pump equipment, and particularly relates to a hydraulic cooling device for industrial filling pump equipment, which is used for coal mines and non-coal mine mines.

Background

Along with the popularization of the national concept of green mines and the general popularization and application of mine filling technology, the service life of filling equipment is prolonged, the equipment is guaranteed to operate under a reasonable working environment, equipment faults are reduced, the equipment efficiency is improved, and the cooling and cooling of large electromechanical equipment are important ways for improving the mechanical efficiency.

However, the oil cooling system of the existing industrial filling pump equipment has the following problems:

the industrial filling pump equipment is designed for a continuous working system, the core part of the operation of the equipment is a hydraulic system, and whether the oil temperature of the hydraulic system is kept in a reasonable interval is also a key factor of whether the industrial filling pump equipment can normally operate for a long time. The existing industrial filling pump equipment is generally provided with only one air cooling device in design and manufacture, and in order to solve the cooling problem, even though a hydraulic oil tank with large capacity and more air cooling devices are designed, the hydraulic oil consumption required by equipment operation is large, the cooling area of the air cooling device is large, the occupied space is large, the problem that the circulating oil temperature is quickly heated is still not thoroughly solved, after the equipment generally works for 3 hours, the general working temperature of the equipment can be increased to more than 65 ℃ or even higher, and the optimal working temperature interval of the hydraulic oil is 25-43 ℃. The viscosity coefficient of the working oil is higher when the temperature is lower than 25 ℃, the resistance of a hydraulic system is higher, the abrasion of elements of the hydraulic system is larger, and the power output of an oil pump is reduced; the viscosity coefficient of the working oil is sharply reduced when the temperature is higher than 43 ℃, the leakage of a hydraulic system is large, the abrasion of elements of the hydraulic system is accelerated, and the power output of an oil pump is reduced; meanwhile, temperature alarm is generated, and the machine can only be stopped, stops production, and is started after the equipment is cooled to the working temperature. In addition, when the temperature of the oil rises to 70 ℃, if the filling pump equipment continues to operate, faults and even accidents are easy to happen, in order to avoid the situation, an automatic shutdown function is arranged on the design, production is interrupted due to shutdown, generally, the equipment is shut down for at least 3 hours every 3 hours of operation, the equipment is started to operate after the oil temperature is cooled to a reasonable temperature range, and the equipment is repeatedly started and shut down in such a way, so that the service life of the equipment is greatly shortened, the maintenance and repair cost is high, frequent production interruption is caused, the production is greatly influenced, the filling production efficiency is low, and the requirement of continuous production of a filling system cannot be met.

2, because the equipment can not work normally, the worker phenomenon appears, and staff's production operation is emotional, is unfavorable for the safety in production.

And 3, the filling and mining proportion is not adjusted, and the production is difficult to continue, so that the production plan cannot be completed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hydraulic cooling device for an industrial filling pump device according to the defects of the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a hydraulic cooling device for industry filling pump equipment, is including setting up oil tank, oil pump, high-pressure oil workspace and the air cooler that feeds through in proper order along the pipeline in filling pump equipment inside, the oil tank contain low temperature grease chamber and high temperature grease chamber, the oil pump entry passes through pipeline intercommunication low temperature grease chamber, the export of air cooler passes through pipeline intercommunication high temperature grease chamber, still includes the water cooler that goes out oil pipe intercommunication low temperature grease chamber through the water cooler, the water cooler advances oil pipe intercommunication high temperature grease chamber through the water cooler, the water cooler on still be connected with respectively and go to the recirculated cooling liquid drain pipe and the water cooler inlet tube that fill stirring water storage device, the water cooler inlet tube is connected the circulating pump inlet tube that comes from mine drainage water or fire-fighting water pond through the water cooler circulating pump.

The hydraulic cooling device for the industrial filling pump equipment is characterized in that a forced cooling circulating pump is further arranged on an oil inlet pipe of a water cooler of the hydraulic cooling device.

The hydraulic cooling device for the industrial filling pump equipment is characterized in that a hydraulic oil temperature controller is arranged at the joint of an oil outlet pipe of a water cooler and a high-temperature oil chamber.

The hydraulic cooling device for the industrial filling pump equipment is characterized in that a water quantity regulating valve is arranged on a water inlet pipe of a water cooler.

The hydraulic cooling device for the industrial filling pump equipment is characterized in that a low-temperature oil chamber and a high-temperature oil chamber are separated by a heat insulation plate in an oil tank, and the top of the heat insulation plate is provided with an overflow channel.

The utility model has the beneficial effects that:

the oil tank is internally provided with a low-temperature oil chamber and a high-temperature oil chamber which are respectively connected with an inlet of an oil pump and an outlet of an air cooler, and is also provided with a water cooler connected with the low-temperature oil chamber and the high-temperature oil chamber, high-temperature working oil firstly enters the air cooler through an oil pipe to be cooled for the first step, then returns to the bottom of the oil tank, and then passes through the water cooler to perform cold-heat exchange, so that the aim of cooling the working oil is fulfilled. The cooling water is continuously replaced, so that the working liquid is kept in a relatively constant temperature state, the failure rate of equipment is reduced, and the filling operation can be kept in continuous operation. The service life and the overhaul period of the filling pump equipment using the utility model are greatly prolonged, the labor cost of a filling system and the maintenance cost of the filling pump equipment are greatly reduced, and the filling production efficiency of the whole filling pump equipment is greatly improved.

2, the water cooler goes to the filling stirring water storage device through the circulating cooling liquid outlet pipe, the cooling water circulating pump is connected through the water cooler water inlet pipe to introduce the inflow from the mine drainage water or the fire pool, the circulating cooling water outlet pipe of the water cooler is communicated with the filling stirring device used in a matched mode, and the water cooler water inlet pipe of the water cooler is communicated with the mine drainage water storage device used in a matched mode through the water quantity regulating valve and the circulating pump water inlet pipe. The underground drainage is recycled, the defect of insufficient cooling liquid is overcome, the problem of raw material supply does not exist, and local materials can be obtained. The exchanged cooling water is recycled and is supplied to the filling and stirring device in an open mode, underground water resources are saved, the filling and stirring are more sufficient, and the filling effect is better.

Drawings

FIG. 1 is a schematic diagram of a prior art hydraulic cooling apparatus;

fig. 2 is a schematic structural diagram of the present invention.

The figures are numbered: 1-oil tank, 1-low temperature oil chamber, 1-2-high temperature oil chamber, 2-oil pump, 3-high pressure oil working area, 4-air cooler, 5-water cooler outlet pipe, 6-water cooler inlet pipe, 7-circulating cooling liquid outlet pipe, 8-water cooler inlet pipe, 9-cooling water circulating pump, 10-water cooler, 11-hydraulic oil temperature controller, 12-forced cooling circulating pump, 13-water quantity regulating valve, 14-circulating pump inlet pipe, 15-heat insulating board.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of a conventional hydraulic cooling device for a charge pump apparatus. Working liquid in the oil tank 1 enters a high-pressure oil working area 3 under the action of the oil pump 2, and high-temperature working liquid enters the air cooler 4 for cooling and then directly returns to the oil tank 1 through the oil outlet pipe. After the working cycle works for one hour, the temperature of the oil in the high-pressure oil working area 3 reaches 65-70 ℃. At this time, the mechanical efficiency of the filling plunger in the high-pressure oil working area 3 is obviously reduced because the temperature of the hydraulic oil is too high and the filling cylinder body is heated. The filling body flows slowly, and the working efficiency is obviously reduced. If the filling pump equipment continues to operate, faults and even accidents are easy to happen.

Referring to fig. 2, the oil tank 1 of the present invention comprises a low temperature oil chamber 1-1 and a high temperature oil chamber 1-2, the low temperature oil chamber 1-1 and the high temperature oil chamber 1-2 are separated by a heat insulation plate 15 in the oil tank 1, the top of the heat insulation plate 15 is provided with an overflow channel, the oil pump is used for circulating cooling oil, an inlet of the oil pump 2 is communicated with the low-temperature oil chamber 1-1 through a pipeline, an outlet of the air cooler 4 is communicated with the high-temperature oil chamber 1-2 through a pipeline, the oil pump further comprises a water cooler 10 which is communicated with the low-temperature oil chamber 1-1 through a water cooler oil outlet pipe 5, the water cooler 10 is communicated with the high-temperature oil chamber 1-2 through a water cooler oil inlet pipe 6, the water cooler 10 is also connected with a circulating cooling liquid outlet pipe 7 and a water cooler inlet pipe 8 which go to the filling, stirring and water storage device respectively, and the water cooler inlet pipe 8 is connected with a circulating pump inlet pipe 14 from mine drainage water or a fire pool through a cooling water circulating pump 9.

When the utility model is used, working liquid in the low-temperature oil chamber 1-1 enters the high-pressure oil working area 3 under the action of the oil pump 2 through the oil pipe, and high-temperature working liquid enters the air cooler 4 for first-step cooling and then returns to the bottom of the high-temperature oil chamber 1-2. The working fluid returned to the bottom of the high-temperature oil chamber 1-2 enters the water cooler 10 through the oil pipe for heat exchange, so that the purpose of further cooling the working oil is achieved. And the circulating cooling liquid outlet pipe 7 is communicated with a filling and stirring device used in a matching way, and the water cooler inlet pipe 8 is communicated with a mine dewatering and drying device used in a matching way. The high-temperature working fluid in the high-pressure oil working area 3 is cooled by the air cooler 4, particularly by the water cooler 10, and the temperature of the high-temperature high-pressure working fluid passing through the water cooler 10 is obviously reduced due to the continuous replacement of cooling water, so that the working fluid is kept in a relatively constant temperature state, and the filling operation can be kept in continuous operation. The continuous filling operation can reach 20 hours at most, the working temperature of the equipment is always kept at about 55 ℃, the utilization rate of the equipment is greatly improved, the failure rate of the equipment is reduced, and the filling effect is obviously improved.

The utility model discloses water cooler 10's water cooler inlet tube 8 is linked together with the mine drainage water installation that forms a complete set and uses, the clear water that adopts among the mine drainage water installation is the coolant liquid, this clear water is the mine drainage water installation that arranges ground from the clear water storehouse in the pit, the clear water of the device output is intake as the cooler, its temperature maintains the low temperature between 8 ~ 10 ℃ throughout the year, low temperature underground drainage reutilization, the cooling effect is good, almost need not the cost and drops into, the high temperature that discharges behind the cooler heat and cold exchange is not higher than 30 ℃, be used for filling stirring water, belong to and continue the utilization. The cold-heat exchange process is simple, the fault rate is low, the maintenance is convenient, large-scale equipment investment is not needed, external power forced cooling heat exchange is not needed, the mine drainage water device directly carries out cold-heat exchange with the water cooler 10, and the cold-heat conversion cost is reduced. The defect of insufficient cooling liquid is solved, the problem of raw material supply does not exist, and local materials can be used.

This practical water chiller 10's recirculated cooling liquid drain pipe 7 is linked together with supporting filling agitating unit who uses, and the cooling water after the exchange can continue to utilize, and open supply fills the stirring and uses, not only practices thrift the groundwater resource, has improved the temperature of stirring water, can improve the early strength of filling the lotion, and it is better to fill the effect. Particularly, the temperature of the cold mixing plant is low in winter, and the flowing speed of the filling fluid is slowed down due to the outdoor temperature. After the exchange, the cooling water enters the mixing station after rising, the temperature of the filling paste is improved, the fluidity of the paste is better, the early strength of the filling body is improved, and the filling effect is better. And the filling pump equipment can be protected, the equipment works at the room temperature of 10-20 ℃ in winter, the failure rate is reduced, and the production rate is improved.

The oil inlet pipe 6 of the water cooler is also provided with a forced cooling circulating pump 12, and the joint of the oil outlet pipe 5 of the water cooler and the high-temperature oil chamber 1-2 is provided with a hydraulic oil temperature controller 11. The automatic operation of the filling pump is controlled through the oil temperature, the normal operation of the filling pump is ensured, and the fault and the accident of the filling pump caused by too low and too high oil temperature are avoided. Through an oil temperature sensor 11 arranged in a high-temperature oil chamber 1-2 of the filling pump device, when the oil temperature of the high-temperature oil chamber 1-2 reaches more than 45 ℃, a working oil-water cooling system is automatically started, namely, a water quantity regulating valve 13 and a forced cooling circulating pump 12 are automatically started to operate; when the oil temperature is reduced to 25 ℃ or below, the operation of a water quantity regulating valve 13 and a forced cooling circulating pump 12 in the water cooling system is automatically stopped, so that the power hydraulic oil of the filling pump system is kept to operate in a proper temperature range, and the optimal output efficiency of the hydraulic oil is ensured. The temperature range of the optimal output efficiency of general hydraulic oil is 25-45 ℃; when the oil temperature reaches 60 ℃, starting a high-temperature alarm bell to alarm; when the oil temperature reaches 65 ℃, the filling pump is automatically switched to a stopping program, the operation of the filling pump is stopped, and the operation accident of the filling pump is prevented.

The water cooler water inlet pipe 8 of the water cooler 10 is also provided with a water quantity regulating valve 13, and when the filling pump equipment needs to be repaired, the water cooler can be disconnected from the filling stirring device and the mine drainage water device, so that the operation is convenient, the environment is protected, and the energy is saved.

By adopting the industrial filling pump equipment, the service life and the overhaul period of the components of the main pump hydraulic system are greatly prolonged, the labor cost of the filling system and the maintenance cost of the filling pump equipment are greatly reduced, and the filling production efficiency of the whole filling pump equipment is greatly improved.

The above-described embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the inventive concept of the present invention, and these embodiments are within the scope of the present invention.

Claims

1. The utility model provides a hydraulic cooling device for industry filling pump equipment, is including setting up inside oil tank (1), oil pump (2), high-pressure oil workspace (3) and the air cooler (4) that communicate in proper order along the pipeline of filling pump equipment, its characterized in that: oil tank (1) contain low temperature grease chamber (1-1) and high temperature grease chamber (1-2), oil pump (2) entry intercommunication low temperature grease chamber (1-1), air cooler (4) export intercommunication high temperature grease chamber (1-2), still include water cooler (10) that are gone out oil pipe (5) intercommunication low temperature grease chamber (1-1) by the water cooler, water cooler (10) advance oil pipe (6) through the water cooler and communicate high temperature grease chamber (1-2), water cooler (10) on still be connected with circulation coolant liquid drain pipe (7) and water cooler inlet tube (8) respectively, water cooler inlet tube (8) are through cooling water circulating pump (9) connection circulating pump inlet tube (14).

2. The hydraulic cooling device for the industrial filling pump equipment according to the claim 1, characterized in that the oil inlet pipe (6) of the water cooler is further provided with a forced cooling circulation pump (12).

3. The hydraulic cooling device for the industrial filling pump equipment according to claim 1, characterized in that a hydraulic oil temperature controller (11) is arranged at the joint of the water cooler oil outlet pipe (5) and the high-temperature oil chamber (1-2).

4. The hydraulic cooling device for industrial filling pump equipment according to claim 1, characterized in that the water cooler inlet pipe (8) is provided with a water quantity regulating valve (13).

5. The hydraulic cooling device for the industrial filling pump equipment according to the claim 1, characterized in that the low temperature oil chamber (1-1) and the high temperature oil chamber (1-2) are separated by a heat insulation board (15) in the oil tank (1), and the top of the heat insulation board (15) is provided with an overflow channel.