Skid-mounted circulating water pump system

Abstract

The utility model discloses a skid-mounted circulating water pump system, and relates to the field of water pumps. The skid-mounted circulating water pump system comprises a frame and two groups of water pumps, water inlet pipes are mounted on water inlet end flanges of the water pumps, a first water inlet and a second water inlet are formed in one ends, far away from the two groups of water pumps, of the two groups of water inlet pipes respectively, and a basket filter and a ball valve are mounted on the water inlet pipes in a communicated manner. All parts such as a pipeline and a water pump in the water pump system can be quickly mounted and fixed on the whole mounting frame through the U-shaped hoops, so that standardized and modular assembly of the water pump system is realized, quick design and manufacturing of water pump systems of different specifications can be realized, design and manufacturing cost is remarkably reduced, integral skid-mounted delivery is realized after assembly is completed in a factory, and the production efficiency is greatly improved. Only simple operations such as in-place and butt-joint pipeline and cable connection are needed on site, and the problems that a traditional circulating water pump system is difficult to install, low in efficiency and high in cost are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pump field, concretely is a kind of pry-mounted circulating water pump system. BACKGROUND

[0002] Water pump is the mechanical equipment for transporting liquid, and it realizes work by converting mechanical energy into pressure energy or kinetic energy of liquid, and it has multiple classification methods, such as electric and diesel water pump according to driving mode, and clean water, sewage and chemical pump according to use.

[0003] In the petrochemical industry, air separation and other industries, the traditional water pump system needs to be assembled on site, and the equipment is in place, the pipeline is welded, the electrical wiring is connected, etc., which takes a long time, high labor cost, and is easily affected by the quality of the site environment such as weather, construction error, has 1. Site assembly and debugging: all equipment is integrated and tested in uncontrolled environment, and the precision cannot be guaranteed; 2. Cannot be standardized design: need to be customized according to the site, one design, high design cost; 3. Cannot be used: the system can only be installed on site one by one, and cannot be quickly deployed in emergency; 4. High cost: site construction is easily affected by weather, such as bad weather, which will cause additional costs. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a pry-mounted circulating water pump system to solve the technical problem that the traditional water pump system needs to be assembled on site, the equipment is in place, the pipeline is welded, the electrical wiring is connected, etc., which takes a long time, high labor cost, and is easily affected by the quality of the site environment such as weather, construction error.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a pry-mounted circulating water pump system, comprising a frame, two groups of water pumps, a water inlet flange of the water pump is provided with a water inlet pipe, the water inlet pipe is provided with a first water inlet and a second water inlet at the end away from the two groups of water pumps, respectively, a basket filter and a ball valve are installed in communication on the water inlet pipe, a water outlet flange of the water pump is provided with a water outlet pipe, the two groups of water outlet pipes are combined into a comprehensive water outlet pipe at the end away from the water pump, and the comprehensive water outlet pipe is provided with a water outlet at the distal end, a check valve and a ball valve are installed in communication on the water outlet pipe, and the water inlet pipe and the water outlet pipe are supported and installed on the top of the frame by a pipeline support.

[0006] By adopting the technical scheme, two groups of parallel water pumps and independent water inlet pipelines form a redundant structure, when a single pump stops due to mechanical failure or maintenance requirement, another pump can still maintain at least 50% flow output through the comprehensive outlet pipe, avoiding complete interruption of the industrial circulating water system, meanwhile, the basket filter on the water inlet pipe intercepts impurities, protecting the water pump impeller and valve, reducing the risk of blockage; the check valve on the outlet pipe prevents water flow from flowing backward to impact the equipment, the ball valve supports segmented isolation maintenance, and cooperates with the rigid fixation of the pipeline support to reduce the leakage risk caused by pipeline vibration.

[0007] Further, the two groups of water pumps are supported and installed on the top of the frame through the equipment support, the top of the water pump is covered with a rain shelter, and the rain shelter is fixedly connected with the frame.

[0008] By adopting the technical scheme, the equipment support rigidly connects the water pump with the top of the frame, disperses the vibration load during equipment operation, avoids long-term vibration from causing bolt loosening or weld cracking, and prolongs the service life of the water pump.

[0009] Further, a pressure gauge is installed on the pipe section between the water pump and the check valve of the two groups of outlet pipes, and the pipeline is fastened and installed with the pipeline support through a hoop.

[0010] By adopting the technical scheme, the pressure gauge can monitor the outlet pressure of the single pump in real time, when the pressure is abnormal, the operator can quickly locate the pump body wear, valve jamming or pipeline rupture failure, and shorten the shutdown troubleshooting time.

[0011] Further, a pressure indication alarm and a flow meter are installed on the comprehensive outlet pipe, and the motor in the water pump, the pressure indication alarm, the flow meter and the pressure gauge are electrically connected with an external power supply through cables.

[0012] By adopting the technical scheme, the cables are connected with the external power supply and the local cabinet, realizing automatic monitoring and over-limit alarm of flow and pressure, reducing manual inspection frequency and improving abnormal response speed.

[0013] Further, a blowdown pipe is arranged in communication on the pipe section between the basket filter and the ball valve of the water inlet pipe, and a blowdown pipe is arranged in communication on the pipe section between the check valve and the ball valve of the outlet pipe.

[0014] By adopting the technical scheme, the blowdown pipes are arranged in the water inlet pipe between the basket filter and the ball valve and in the outlet pipe between the check valve and the ball valve, respectively, the ball valve isolation failure section can be opened without shutdown, the deposited impurities can be discharged through the blowdown pipe, and system shutdown caused by disassembly and cleaning is avoided.

[0015] Further, a plurality of the blowdown pipes are all provided with block valves, the plurality of blowdown pipes are connected in communication, and a blowdown opening is formed at the distal end of the blowdown pipe.

[0016] By adopting the technical scheme, the operator only needs to operate one valve to complete the whole system blowdown, and the maintenance efficiency is greatly improved.

[0017] Further, the frame is welded with a bridge, the frame is a welded frame structure, lug ears are welded and fixed on both sides of the frame, and an on-site cabinet is installed on one side of the upper portion of the frame for controlling water pumps and instruments.

[0018] By adopting the technical scheme, the frame welded bridge is used for regular cable wiring, cable dragging and ground abrasion are avoided or contact with high-temperature pipelines is avoided, and electrical safety is improved; the lug ears are integrally welded with the frame to ensure uniform stress during hoisting and meet the frequent moving requirements of heavy equipment.

[0019] To sum up, the utility model mainly has the following beneficial effects:

[0020] The utility model discloses a pry-mounted circulating water pump system, which utilizes a frame, a pipeline support, an equipment support, a bridge and other structures to build an installation rack of the water pump system, and each component such as a pipeline and a water pump in the water pump system can be quickly installed and fixed on the whole installation rack through a U-shaped hoop, realizing the standardization and modular assembly of the water pump system, the quick design and manufacturing of different specifications of water pump systems, the precision requirements of the water pump system, the significant reduction of design and manufacturing costs, the completion of assembly in a factory through high integration and modular design, the overall pry-mounted delivery, the simple operation of just positioning and connecting a pipeline and a cable on site, and the effective solution to the pain points of the traditional circulating water pump system, such as difficult installation, low efficiency and high cost.

[0021] The utility model discloses a redundancy setting of two groups of water pumps, the water inlet pipe of two groups of water pumps is connected with first water inlet and second water inlet respectively, and the water outlet pipe is combined to the comprehensive water outlet pipe water outlet, forms independent circulation path, if single pump stops because of impeller wear, motor failure and other reasons, another pump can block the backflow through check valve, maintains at least half system flow output alone, and the parallel structure of double water pumps forms multiple safeguards on structure reliability, operation economy and fault tolerance rate through physical redundancy and control strategy, meets the strict demand of industrial scene to continuous water supply. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a northwest isometric structure schematic diagram of the utility model;

[0023] Figure 2 It is a southeast isometric structure schematic diagram of the utility model;

[0024] Figure 3 It is a flow chart structure schematic diagram of the utility model.

[0025] In the figure: 1, frame; 2, equipment support; 3, pipe support; 4, bridge; 6, lifting lug; 7, hoop; 801, first water inlet; 802, second water inlet; 9, basket filter; 10, rain shelter; 11, water pump; 12, pressure gauge; 1201, pressure indication alarm; 13, check valve; 14, water outlet; 15, cable; 16, local cabinet; 17, ball valve; 18, blocking valve; 19, blowdown; 20, flow meter. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model and cannot be understood as limiting the utility model. Embodiment 1

[0027] A pry-mounted circulating water pump system, as shown in Figures 1-3 , comprises a frame 1, two groups of water pumps 11, a water inlet flange of the water pump 11 is provided with a water inlet pipe, the water inlet pipe is provided with a first water inlet 801 and a second water inlet 802 at the end away from the two groups of water pumps 11, the water inlet pipe is provided with a basket filter 9 and a ball valve 17 in communication, a water outlet flange of the water pump 11 is provided with a water outlet pipe, the two groups of water outlet pipes are combined into a comprehensive water outlet pipe at the end away from the water pump 11, the comprehensive water outlet pipe is provided with a water outlet 14 at the distal end, the water outlet pipe is provided with a check valve 13 and a ball valve 17 in communication, the water inlet pipe and the water outlet pipe are supported and installed on the top of the frame 1 through a pipe support 3, the two groups of parallel water pumps 11 and the independent water inlet pipe form a redundant structure, when a single pump is shut down due to mechanical failure or maintenance requirement, the other pump can still maintain at least 50% of the flow output through the comprehensive water outlet pipe, avoiding the complete interruption of the industrial circulating water system, at the same time, the basket filter 9 on the water inlet pipe intercepts impurities, protects the water pump impeller and the valve, and reduces the risk of blockage; the check valve 13 on the water outlet pipe prevents the water flow from impacting the equipment, the ball valve 17 supports segmented isolation maintenance, cooperates with the rigid fixation of the pipe support 3, reduces the leakage hidden danger caused by pipeline vibration, in addition, the standardized design of the flange connection simplifies the installation process, and meets the rapid deployment requirements of different industrial scenes.

[0028] Referring to Figure 1 , Figure 2 , Figure 3Two groups of water pumps 11 are supported and installed on the top of the frame 1 through the equipment support 2, the top of the water pump 11 is covered with a rain shelter 10, the rain shelter 10 is fixedly connected with the frame 1, the equipment support 2 rigidly connects the water pump 11 with the top of the frame 1, disperses the vibration load during the operation of the equipment, avoids the loosening of the bolts or the cracking of the welding caused by long-term vibration, prolongs the service life of the water pump, at the same time, the rain shelter 10 covers the water pump area, blocks the invasion of environmental pollutants such as rainwater and dust into the motor or electrical interface, reduces the risk of short circuit and rust, and the fixed connection with the frame 1 ensures the wind resistance performance, which is suitable for open-air operation scenes.

[0029] Referring to Figure 1 , Figure 2 , Figure 3 , pressure gauges 12 are installed on the pipe sections of the two groups of water outlet pipes and located between the water pumps 11 and the check valves 13, the pipes are fastened and installed through the hoops 7 and the pipe supports, the pressure gauges 12 can monitor the outlet pressure of the single pump in real time, when the pressure is abnormal, the operator can quickly locate the pump body wear, valve jamming or pipeline rupture fault, shorten the shutdown troubleshooting time, at the same time, the hoops 7 flexibly lock the pipes and the pipe supports 3, which not only allows thermal expansion and cold contraction deformation, but also avoids stress concentration caused by rigid welding, reduces the risk of pipeline fatigue cracking, and the detachable design facilitates the replacement or calibration of the pressure gauges 12 in the later period, reduces the maintenance cost.

[0030] Referring to Figure 1 , Figure 2 , Figure 3 , the pressure indicating alarm 1201 and the flow meter 20 are installed on the comprehensive water outlet pipe, the motors in the pressure indicating alarm 1201, the flow meter 20, the pressure gauge 12 and the water pump 11 are electrically connected with the external power supply through the cable 15, the cable 15 is connected with the external power supply and the local cabinet 16, realizing the automatic monitoring and over-limit alarm of the flow and pressure, reducing the manual inspection frequency and improving the abnormal response speed, at the same time, the centralized power supply design reduces the short circuit risk caused by line clutter, and the data linkage of the pressure gauge 12, the alarm and the flow meter 20 can accurately judge the system state.

[0031] Embodiment 2:

[0032] Referring to Figure 1 , Figure 2 , Figure 3 , the sewage pipes are communicatively arranged on the pipe sections of the water inlet pipe and located between the basket filter 9 and the ball valve 17, and on the pipe sections of the water outlet pipe and located between the check valve 13 and the ball valve 17, the sewage pipes arranged on the water inlet pipe between the basket filter 9 and the ball valve 17 and the water outlet pipe between the check valve 13 and the ball valve 17 can isolate the fault section by opening the ball valve 17 under the condition of not stopping the machine, and the deposited impurities can be discharged through the sewage pipe, avoiding the system shutdown caused by disassembly and cleaning, at the same time, the segmented sewage setting can accurately clean different pollution sources, prolonging the service life of the core equipment.

[0033] Referring to Figure 1 , Figure 2 , Figure 3 , a plurality of blowdown pipes are each provided with a block valve 18, the plurality of blowdown pipes are connected in communication, and a distal end of the blowdown pipe is formed with a blowdown port 19, so that an operator only needs to operate one valve to complete the blowdown of the whole system, greatly improving the maintenance efficiency, and meanwhile, the block valve 18 prevents accidental leakage of sewage from polluting the environment; the centralized guidance of the blowdown port 19 supports the docking of an external collection device, avoids random discharge in violation of environmental protection regulations, and further strengthens the self-cleaning ability of the system.

[0034] Referring to Figure 1 , Figure 2 , Figure 3 , the frame 1 is welded and fixed with a bridge 4, the frame 1 is a welded frame structure, both sides of the frame 1 are welded and fixed with lifting lugs 6, and a local cabinet 16 is installed on one side of the upper portion of the frame 1 for controlling the water pump 11 and the instrument; the frame 1 is welded with the bridge 4 for regularizing the cable 15 wiring, avoiding cable wear caused by dragging on the ground or contact with high-temperature pipelines, and improving electrical safety; the lifting lug 6 is integrally welded with the frame to ensure uniform stress during lifting, meet the frequent moving needs of heavy equipment, and meanwhile, the local cabinet 16 integrates water pump start / stop, instrument parameter display, and alarm reset functions, realizes local human-computer interaction, and reduces communication delay between the control room and the site; the waterproof and dustproof shell is adapted to high-humidity and high-dust industrial environments.

[0035] The implementation principle of the embodiment is that the system takes the frame 1 as a bearing main body, fixes two groups of parallel water pumps 11 through the equipment support 2, and supports the inlet / outlet water pipeline by relying on the pipeline support 3; the circulating water enters from the first water inlet 801 and the second water inlet 802, is purified by the basket strainer 9, is pressurized and delivered by the water pump 11, and is pushed by the centrifugal force generated by the rotation of the impeller to be combined to the comprehensive outlet pipe through the check valve 13 and the ball valve 17, and is finally output through the water outlet 14;

[0036] In terms of pressure monitoring, the pressure gauge 12 monitors the pressure after the pump in real time, the pressure indication alarm 1201 and the flowmeter 20 are connected to the local cabinet 16 through the cable 15 to realize intelligent alarm and remote control;

[0037] The embodiment forms a parallel backup structure by arranging two water pumps 11, so that the system can still maintain operation when a single pump is damaged and in a fault state.

[0038] The water inlet / outlet pipe section is provided with a blowdown pipe and a block valve 18, impurities can be cleaned in sections, and finally discharged through the blowdown port 19, which is used for first flushing discharge or shutdown emptying, and is connected with the customer's blowdown pipeline, the blowdown port 19 is matched with a flange, a spare blowdown port is matched with a flange cover, and the blowdown port 19 and the spare blowdown port 19 can be connected with the customer's blowdown pipeline through any one of the two pipe openings according to the field layout, and the unused pipe opening can be sealed by the flange cover.

[0039] The frame 1 is welded with lifting lugs 6 on both sides to support overall lifting, and the bridge 4 is regularly wired with cables to meet the mobile needs of oil, chemical and other scenes.

[0040] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A skid-mounted circulating water pump system, characterized by: Including frame (1), two groups of water pump (11), the water inlet end flange of water pump (11) is installed with water inlet pipe, and the far end of two groups of water inlet pipe is formed with first water inlet (801), second water inlet (802) respectively, the water inlet pipe is installed with basket filter (9), ball valve (17) in communication, the water outlet end flange of water pump (11) is installed with water outlet pipe, and the far end of two groups of water outlet pipe is combined into a comprehensive water outlet pipe, and the far end of comprehensive water outlet pipe is formed with water outlet (14), the water outlet pipe is installed with check valve (13), ball valve (17) in communication, the water inlet pipe, water outlet pipe are supported and installed on the top of frame (1) through pipe support (3).

2. The skid-mounted circulating water pump system of claim 1, wherein: Two groups of water pump (11) are supported and installed on the top of frame (1) through equipment support (2), the top of water pump (11) is covered with rain shelter (10), and the rain shelter (10) is fixedly connected with frame (1).

3. The skid-mounted circulating water pump system of claim 1, wherein: Two groups of water outlet pipes and the pipe section between water pump (11) and check valve (13) are installed with pressure gauge (12), and the pipe is fastened and installed through pipe clamp (7) and pipe support.

4. The skid-mounted circulating water pump system of claim 3, wherein: Pressure indicating alarm (1201) and flowmeter (20) are installed on the comprehensive water outlet pipe, the motor in pressure indicating alarm (1201), flowmeter (20), pressure gauge (12), water pump (11) is electrically connected with external power supply through cable (15).

5. The skid-mounted circulating water pump system of claim 1, wherein: The pipe section between basket filter (9) and ball valve (17) on the water inlet pipe is provided with blowdown pipe in communication, and the pipe section between check valve (13) and ball valve (17) on the water outlet pipe is provided with blowdown pipe in communication.

6. The skid-mounted circulating water pump system of claim 5, wherein: Multiple blowdown pipes are installed with block valve (18), multiple blowdown pipes are connected in communication, and the far end of blowdown pipe is formed with blowdown outlet (19).

7. The skid-mounted circulating water pump system of claim 1, wherein: Bridge (4) is welded and fixed on frame (1), frame (1) is a welded frame structure, lug (6) is welded and fixed on both sides of frame (1), and just-in-place cabinet (16) is installed on the side of frame (1) above, for controlling water pump (11) and instrument.

Images