CN218095463U

CN218095463U - Water saving device for machine sealing of equipment

Info

Publication number: CN218095463U
Application number: CN202222666721.9U
Authority: CN
Inventors: 李连泽; 李田玉; 林巧; 唐佳男; 李明; 王冬冬; 黎亚琦; 孙彦伟; 曹洪有; 王灿如; 孙瑞峰; 王博恒
Original assignee: Heilongjiang Zijin Copper Co Ltd
Current assignee: Heilongjiang Zijin Copper Co Ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2022-12-20
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses a water-saving device for machine-sealed water of equipment, which belongs to the technical field of chemical engineering and smelting, and comprises a machine-sealed water tank, a machine-sealed water pump, a water inlet main pipe, a water return main pipe and a spraying device, wherein the machine-sealed water tank is connected with the water inlet main pipe through the machine-sealed water pump, a plurality of branch pipes are connected from the water inlet main pipe and are connected to machine-sealed water inlets of each equipment, and inlet valves are arranged on the branch pipes; the mechanical seal water outlet branch pipes of each device are connected to a water return main pipe, and the tail end of the water return main pipe is connected with a spraying device; the machine seals water tank upper portion and is equipped with production moisturizing pipeline, is equipped with the moisturizing valve on the production moisturizing pipeline, and machine seals water tank upper portion is equipped with the level gauge, and machine seals water tank side upper portion is equipped with the overflow pipe, and machine seals water tank side lower part is equipped with drainage pipe, is equipped with the drain valve on the drainage pipe. The machine seal water recycling is realized, the consumption of the produced new water is greatly reduced, the operation is simple, and the control is easy.

Description

Water saving device for machine sealing of equipment

Technical Field

The utility model relates to a water saving fixtures of equipment machine seal water belongs to chemical industry and smelting technical field.

Background

In the fields of chemical industry and smelting, the number of devices using machine seal water is large, the machine seal water is large in using amount, the machine seal water is usually discharged into a trench after being used, a large amount of water resources are wasted due to the disposable using mode, and the machine seal water discharged into the trench is difficult to recycle and effectively utilize. The machine seal water is used in a large amount in equipment with a machine seal structure, the protective effect of machine seal cooling water on the equipment is self-evident, and the machine seal water with stable flow and temperature plays a very critical role in protecting the machine seal of the equipment. On the premise of ensuring the operation requirement of equipment, how to reasonably and effectively utilize machine seal water and save water resources is a difficult problem faced by the current enterprises.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a water saving fixtures of equipment machine seal water realizes machine seal water cyclic utilization, reduces the new water quantity of production by a wide margin, easy operation, and control is easy.

The utility model provides a technical scheme that its technical problem adopted is: a water-saving device for machine-sealed water of equipment comprises a machine-sealed water tank, a machine-sealed water pump, a water inlet main pipe, a water return main pipe and a spraying device, wherein the machine-sealed water tank is connected with the water inlet main pipe through the machine-sealed water pump, a plurality of branch pipes are connected from the water inlet main pipe and are connected to machine-sealed water inlets of the equipment, and inlet valves are arranged on the branch pipes; the mechanical seal water outlet branch pipes of each device are connected to a water return main pipe, and the tail end of the water return main pipe is connected with a spraying device;

the machine seals water tank upper portion and is equipped with production moisturizing pipeline, is equipped with the moisturizing valve on the production moisturizing pipeline, and machine seals water tank upper portion is equipped with the level gauge, and machine seals water tank side upper portion is equipped with the overflow pipe, and machine seals water tank side lower part is equipped with drainage pipe, is equipped with the drain valve on the drainage pipe.

The working process is as follows: the machine seal water is filled into the machine seal water tank, the machine seal water is pumped into the water inlet main pipe by the machine seal water pump, a plurality of branch pipes are connected from the water inlet main pipe and are connected to the machine seal water inlets of all the devices, then the machine seal water outlet branch pipes of all the devices are connected to the water return main pipe, the machine seal water return water finally returns to the machine seal water tank, and the machine seal water is in a circulating system and is circulated repeatedly by the pressure of the machine seal water pump, so that the machine seal water is recycled.

Furthermore, the machine seal water tank, the machine seal water pump and all pipelines, and valves and nozzles equipped on the pipelines are all 304L.

Furthermore, the liquid level meter is interlocked with the water replenishing valve, the liquid level of the water tank is lower than 1m, the interlocking is started, the water replenishing valve is opened to replenish water, the water replenishing valve is closed when the liquid level is higher than 1.5m, and the water replenishing is automatically stopped.

Furthermore, two machine seal water pumps are provided, and one water pump is used for standby during production. The two machine seal water pumps form program interlocking, one water pump stops due to failure in an automatic state, an alarm can be given, and the other machine seal water pump is started by the parallel lock. Any one water pump is independently started, and the pressure of a water inlet main pipe can be ensured to be not less than 0.2MPa.

Furthermore, all the machine seal water branch pipes entering the equipment are provided with manual butterfly valves, and the machine seal water of any equipment can be manually closed or opened.

Furthermore, the spraying device comprises a circular 304L material nozzle with the diameter of 30cm, and return water enters the mechanical seal water tank in a spraying mode to realize the cooling function.

The utility model has the advantages that:

(1) the utility model provides a machine seals the flow, temperature, pressure energy of water and can satisfy the equipment operation requirement completely, and a device can satisfy the machine of several to dozens of equipment and seal the water demand, and the valve of equipping in each equipment machine seal water import department makes each equipment have the independence simultaneously, can be under the prerequisite that does not influence other equipment and system, open or close the machine of any equipment and seal the water;

(2) the device is simple to operate, can realize unmanned supervision operation through a series of interlocking settings, and has good operation stability and low failure rate;

(3) the device has the advantages of low equipment investment cost, simple structure and easy modification, and can realize machine seal water recycling through simple modification in a workshop without the equipment;

(4) the machine seal water circulation system of the device is a closed system, has no special condition, does not have leakage and discharge, almost has hundred percent of recycling, realizes the stable recycling of machine seal water, can save a large amount of water resources, and brings considerable economic benefits.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The reference numbers in the figures: 1. the water supply system comprises a machine seal water tank, 2 a machine seal water pump, 3 a liquid level meter, 4 a water inlet main pipe, 5 a water return main pipe, 6 a production water supply pipeline, 7 a water supply valve, 8 a spraying device, 9, an overflow pipe, 10 a drain valve, 11 and an inlet valve.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Referring to fig. 1, a water saving device for machine-sealed water of equipment comprises machine-sealed water 1, a machine-sealed water pump 2, a water inlet main pipe 4, a water return main pipe 5 and a spraying device 8, wherein the machine-sealed water tank 1 is connected with the water inlet main pipe 4 through the machine-sealed water pump 2, a plurality of branch pipes are connected to the water inlet main pipe 4 and are connected to machine-sealed water inlets of the equipment, and inlet valves 11 are arranged on the branch pipes; the mechanical seal water outlet branch pipes of each device are connected to a water return main pipe 5, and the tail end of the water return main pipe 5 is connected with a spraying device 8;

machine seals 1 upper portion of water tank and is equipped with production moisturizing pipeline 6, is equipped with moisturizing valve 7 on the production moisturizing

pipeline

6, and 1 upper portion of machine seals the water tank is equipped with

level gauge

3, and 1 side upper portion of machine seals the water tank is equipped with

overflow pipe

9, and 1 side lower part of machine seals the water tank is equipped with drainage pipe, is equipped with drain valve 10 on the drainage pipe.

According to the number of the water sealing devices and the flow requirement of the mechanical sealing water, the size of the mechanical sealing water tank and the performance parameters of the mechanical sealing water pump can be adjusted to meet the actual production requirement.

For example, 1.7m high with a base area of 1m ² The mechanical seal water tank 1 of the stainless steel tank body can meet the mechanical seal water use requirements of twenty horizontal centrifugal pumps with power of 15 kW. Selecting rated working pressure of 1MPa and flow of 10m ³ And h, taking a horizontal self-sucking pump with a head of 10m as a mechanical seal water pump. The mechanical seal water inlet branch pipe of the device is connected to the pipeline of the water inlet main pipe 4, the mechanical seal water outlet branch pipe of the device is connected to the pipeline of the water return main pipe 5, and good welding and no leakage point of a welding point are guaranteed.

The vehicle is started manually, and the liquid level meter 3 and the water replenishing valve 7 are interlocked, and the two machine seal water pumps 2 are interlocked and closed. And (3) opening a machine seal water inlet valve of the centrifugal pump to be started, then opening a production water replenishing valve 7 to replenish water into the machine seal water tank 1, and starting a machine seal water pump 2 when the water level reaches 1.5m to circulate the machine seal water system.

And after the machine seal water circulation is stable, checking whether a leakage point exists in the circulation system, stopping the machine seal water pump 2 if the leakage point exists, then carrying out treatment, and starting the machine seal water pump 2 after the treatment is finished. Checking whether the flow of the machine seal water of the equipment is proper or not, and adjusting the machine seal air water inlet valve 11 of the equipment to adjust the flow of the machine seal air water of each equipment to be proper. And (5) checking whether the spraying from the water return header pipe 5 to the spraying device 8 is normal or not, and timely treating if the blockage exists. And checking whether the mechanical seal water pump 2 is normal, if so, switching to another pump, and maintaining the failed pump.

When the water inlet and outlet of the mechanical seal water system are normal, and the flow on the main pipe and the branch pipes is proper, the interlocking of the liquid level meter 3 and the water replenishing valves 7 is started, the interlocking function between the two mechanical seal water pumps 2 is started, and the system enters an automatic running state.

When the system runs, the inspection is carried out regularly, and the main inspection items comprise: checking whether the flow of the machine-sealed water of each device is normal or not, whether the machine seal of the device is damaged or not, and the condition that the water outlet of the machine-sealed water is turbid and discolored; checking whether the machine sealed water tank 1, the pipeline, the valve and the like have leakage or not; checking whether the machine seal water pump 2 operates normally; checking whether the spraying device 8 at the tail end of the water return main pipe 5 is normal; checking whether the level gauge 3 coincides with the actual level; checking whether the valves on the pipelines can be normally used or not; and (4) checking whether the water quality in the machine-sealed water tank 1 is normal or not, and whether turbid foreign matters exist or not or whether the color is changed. If the above abnormal conditions are met, the processing can be carried out according to the method shown in the table below.

Claims

1. The utility model provides a water saving fixtures of equipment machine seal water which characterized in that: the mechanical seal water tank (1) is connected with the water inlet main pipe (4) through the mechanical seal water pump (2), a plurality of branch pipes are connected from the water inlet main pipe (4) and are connected to mechanical seal water inlets of all devices, and inlet valves (11) are arranged on the branch pipes; the mechanical seal water outlet branch pipes of each device are connected to a water return main pipe (5), and the tail end of the water return main pipe (5) is connected with a spraying device (8);

the mechanical sealing water tank (1) is provided with a production water replenishing pipeline (6) on the upper portion, a water replenishing valve (7) is arranged on the production water replenishing pipeline (6), a liquid level meter (3) is arranged on the upper portion of the mechanical sealing water tank (1), an overflow pipe (9) is arranged on the upper portion of the side face of the mechanical sealing water tank (1), a drainage pipeline is arranged on the lower portion of the side face of the mechanical sealing water tank (1), and a drainage valve (10) is arranged on the drainage pipeline.

2. The water-saving device for machine sealing water of the equipment according to claim 1, characterized in that: the mechanical seal water tank (1), the mechanical seal water pump (2), all pipelines, valves and nozzles arranged on the pipelines are all 304L.

3. The water-saving device for the mechanical seal water of the equipment according to claim 1, characterized in that: the height of the machine seal water tank (1) is 1.7m, and the bottom area is 1m ² The stainless steel tank body.

4. The water-saving device for the mechanical seal water of the equipment according to claim 1, characterized in that: the liquid level meter (3) is interlocked with the water replenishing valve (7), the liquid level of the mechanically sealed water tank (1) is lower than 1m, the interlocking is started, the water replenishing valve (7) is opened for water replenishing, the liquid level of the mechanically sealed water tank (1) is higher than 1.5m, the water replenishing valve (7) is closed, and water replenishing is automatically stopped.

5. The water-saving device for the mechanical seal water of the equipment according to claim 1, characterized in that: the two machine seal water pumps (2) are arranged, one machine seal water pump is used for standby during production, the two machine seal water pumps (2) form interlocking, one water pump stops due to failure in an automatic state, and the other water pump is started in an interlocking manner; any water pump is independently started, and the pressure of the water inlet main pipe (4) needs to be ensured to reach 0.2MPa.

6. The water-saving device for the mechanical seal water of the equipment according to claim 1, characterized in that: all inlet ends of the mechanical seal water branch pipes of the inlet equipment are provided with manual butterfly valves.

7. The water-saving device for the mechanical seal water of the equipment according to claim 1, characterized in that: the spraying device (8) comprises a circular 304L nozzle with the diameter of 30cm, and the return water enters the mechanical seal water tank (1) in a spraying mode.