CN208235640U

CN208235640U - A kind of pipe network pressure-superposed pressurized equipment of frequency conversion

Info

Publication number: CN208235640U
Application number: CN201820475775.8U
Authority: CN
Inventors: 王慧君
Original assignee: TIANJIN CHENTIAN AUTOMATION ENGINEERING Co Ltd
Current assignee: TIANJIN CHENTIAN AUTOMATION ENGINEERING Co Ltd
Priority date: 2018-04-04
Filing date: 2018-04-04
Publication date: 2018-12-14
Anticipated expiration: 2028-04-04

Abstract

The utility model provides a kind of pipe network pressure-superposed pressurized equipment of frequency conversion, including control equipment and for the main pipe of transmission pipeline network water, it is characterized by also including water tank, laminate pipe, pressurized equipment, pressure transmitter, motor-driven valve, the water tank laminates pipe by the first pipeline connection, pipe is laminated to be arranged in parallel with main pipe, it laminates and is provided with the second pipeline and pressurized equipment between pipe and main pipe, first pressure transmitter is set on main pipe, which connect with the signal receiving end of control equipment；The utility model is smaller than the secondary pressing pump station occupied area of the prior art, and civil engineering journey amount is small, on the basis of to greatest extent using municipal pressure, supplements terminal temperature difference water pressure, and will not impact to primary pressurization pipe network water delivery pressure；The utility model device input cost is low, land occupation face is smaller, volume of earthwork is small, to greatest extent using primary pressurization pipe network water delivery pressure, reduces energy consumption, and operating cost is low.

Description

A kind of pipe network pressure-superposed pressurized equipment of frequency conversion

Technical field

The utility model belongs to pipe network water supply field, more particularly, to a kind of pipe network pressure-superposed pressurized equipment of frequency conversion.

Background technique

Water distributing network be city water system important composition some, be responsible for user transport, distribution water mission, Demand with satisfied users to water and hydraulic pressure, the secondary pressing pump station of existing water distributing network build one after the truncation of original pipeline Reservoir, then build a booster station and complete the secondary pressurized to supply water, to meet the water demand of terminal temperature difference；It adopts in the prior art Reservoir takes up a large area, thus civilwork engineering quantity causes greatly construction cost higher；In addition, separately building reservoir, there is also two Secondary pollution problem needs to be sterilized again, increases operating cost.

Summary of the invention

In view of this, the utility model is directed to a kind of pipe network pressure-superposed pressurized equipment of frequency conversion, it is suitable for.

In order to achieve the above objectives, technical solution used by the device of the utility model is: a kind of frequency conversion is pipe network pressure-superposed to be added Equipment is pressed, including control equipment and for the main pipe of transmission pipeline network water, further includes water tank, laminate pipe, pressurized equipment, pressure Power transmitter, motor-driven valve, the water tank laminate pipe by the first pipeline connection, laminate pipe and are arranged in parallel with main pipe, laminate It is provided with the second pipeline and pressurized equipment between pipe and main pipe, first pressure transmitter, the first pressure are set on main pipe Transmitter is connect with the signal receiving end of control equipment；

Motor-driven valve is set on second pipeline, which connect with the signal output end of control equipment；

The pressurized equipment be it is multiple, which includes being connected to main pipe and laminating the third pipeline of pipe, the third Force (forcing) pump is set on pipeline.

Further, it is provided with gate valve on first pipeline, the motor-driven valve and laminates on the second pipeline between pipe Gate valve is set, adaptive Multifunctional oblique plate valve is set on the second pipeline between the motor-driven valve and main pipe.

Further, on the third pipeline by force (forcing) pump to laminate set gradually between pipe double flange limiting telescopic pieces, Butterfly valve, by force (forcing) pump to setting gradually double flange limiting telescopic pieces, adaptive multi-functional between main pipe on the third pipeline Inclined plate valve, second pressure transmitter, pressure gauge, butterfly valve, the signal input part of second pressure transmitter and the control equipment It connects, pressure gauge is set close to the region of the first pressure transmitter on the main pipe.

Further, described to laminate that pipe, the diameter of the second pipeline are identical as the diameter of main pipe, first pipeline it is straight Diameter is greater than the diameter of third pipeline and is less than the diameter of main pipe.

Further, second pipeline and third pipeline are arranged in parallel, and first pipeline is arranged in parallel.

Further, the water tank is cylindrical enclosure structure, and water tank is 2 or 2 or more, first pipeline It is set to the side wall intermediate region of water tank.

Further, the force (forcing) pump be horizontal double suction centrifugal pump, the force (forcing) pump be 2 or 2 or more and it is each add The maximum output pressure of press pump is different.

Further, the force (forcing) pump water inlet connects eccentric reducer, and the force (forcing) pump mouth of a river connects Concentric Reducers.

Further, the control equipment is PLC programmable controller or computer processor.

Compared with the existing technology, device described in the utility model has the advantage that

The motor-driven valve truncation insufficient region main pipe of pressure of supply water being arranged on (1) second pipeline, is increased by pressurized equipment Add main pipe pressure of supply water, the utility model is smaller than the secondary pressing pump station occupied area of the prior art, and civil engineering journey amount is small, most On the basis of limits are using municipal pressure, terminal temperature difference water pressure is supplemented, and will not to primary pressurization pipe network water delivery pressure It impacts.

(2) water tank of the utility model be cylindrical enclosure structure, it is without secondary pollution, the utility model device investment at This is small；Land occupation face is smaller, volume of earthwork is small；To greatest extent using primary pressurization pipe network water delivery pressure, energy consumption, operation are reduced It is at low cost.

Detailed description of the invention

In attached drawing:

Fig. 1 is the embodiments of the present invention overall structure figure；

Fig. 2 is the structural schematic diagram of pressurized equipment in Fig. 1；

Fig. 3 is the connection schematic diagram for controlling equipment；

Description of symbols:

1- water tank；The first pipeline of 2-；The first gate valve of 3-；4- laminates pipe；The second pipeline of 5-；The second gate valve of 6-；7- is electronic Valve；The adaptive Multifunctional oblique plate valve of 8-；9- main pipe；10- first pressure gauge；11- first pressure transmitter；12- force (forcing) pump； The first gate valve of 13-；14- controls equipment；201- butterfly valve；First pair of flange limiting telescopic piece of 202-；203- eccentric reducer；204- Concentric Reducers；Second pair of flange limiting telescopic piece of 205-；The adaptive Multifunctional oblique plate valve of 206-；207- butterfly valve；208- Two pressure transmitters；209- second pressure gauge.

Specific embodiment

Technical solution adopted by the utility model: as shown in Figure 1, 2, 3, a kind of pipe network pressure-superposed pressurized equipment of frequency conversion, packet Control equipment and the main pipe 9 for transmission pipeline network water are included, further includes water tank 1, laminate pipe 4, pressurized equipment, first pressure Transmitter 11, motor-driven valve 7, the water tank 1 laminate pipe 4 by the connection of the first pipeline 2, laminate that pipe 4 is parallel with main pipe 9 to be set It sets, laminates and be provided with the second pipeline 5 and pressurized equipment between pipe 4 and main pipe 9, first pressure transmitter is set on main pipe 9 11, which connect with the signal receiving end of control equipment 14；

Motor-driven valve 7 is set on second pipeline 5, which connect with the signal output end of control equipment 14；

The pressurized equipment be it is multiple, which includes being connected to main pipe 9 and laminating the third pipeline 13 of pipe 4, should Force (forcing) pump 12 is set on third pipeline 13.

It is provided with the first gate valve 3 on first pipeline 2, the motor-driven valve 7 and laminates on the second pipeline 5 between pipe 4 Second gate valve 6 is set, adaptive Multifunctional oblique plate valve 8 is set on the second pipeline 5 between the motor-driven valve 7 and main pipe 9.

First pair of flange limiting telescopic piece is set gradually between pipe 4 to laminating by force (forcing) pump 12 on the third pipeline 13 202, butterfly valve 201 are stretched by force (forcing) pump 12 to second pair of flange limiting is set gradually between main pipe 9 on the third pipeline 13 Device 205, adaptive Multifunctional oblique plate valve 206, second pressure transmitter 208, second pressure gauge 209, butterfly valve 207；Second pressure Power transmitter 208 is connect with the signal input part of control equipment 14, close to the first pressure transmitter 11 on the main pipe 9 Region be arranged first pressure gauge 10.

It is described to laminate that pipe 4, the diameter of the second pipeline 9 are identical as the diameter of main pipe 9, and the diameter of first pipeline 2 is big Diameter in third pipeline 13 and the diameter less than main pipe 9.

Second pipeline 5 and third pipeline 13 are arranged in parallel, and first pipeline 2 is arranged in parallel.

The water tank 1 is cylindrical enclosure structure, and water tank 1 is 2 or 2 or more, and first pipeline 2 is set to The side wall intermediate region of water tank 1.

The force (forcing) pump 12 is horizontal double suction centrifugal pump, the force (forcing) pump be 2 or 2 or more and each force (forcing) pump most Big output pressure is different.

12 water inlet of force (forcing) pump connects eccentric reducer 203, and 12 water outlet of force (forcing) pump connects Concentric Reducers 204。

The control equipment 14 is PLC programmable controller or computer processor.

In the utility model above-described embodiment it should be understood that

Pipe network Pressure-superposed water supply equipment is a kind of supply equipment of repressurization on the basis of original pipe network water pressure, it breaks through It can only ensure that equipment limitation pressurization to the mistaken ideas pressurizeed without pressure water, and by control to fluid flow state in the past, Pressure influence is not generated to pipe network, the utility model frequency conversion pipe network Pressure-superposed water supply equipment is installed in user's leading portion, can be solved originally The problem of water cannot be sent to user due to ductwork pressure limitation, meets the needs of distal end high elevation user.

The force (forcing) pump is 2 or 2 or more and the maximum output pressure of each force (forcing) pump is different, adding in pressurized equipment Press pump according to size pump configure, when main pipe insufficient pressure, according to first pressure transmitter feed back signal-off motor-driven valve, Pressurization pump group, then the pressure signal fed back by second pressure transmitter are opened, the adjusting that size pump enables situation is carried out, thus Realize the pipe network pressure-superposed pressurization of frequency conversion.

Control equipment can select PLC programmable controller or computer processor according to the actual situation, and control equipment passes through pressure Power transmitter is transmitted back to the signal come, controls the operation of pressurized equipment；Water tank is cylindrical enclosure structure, can effectively be prevented Only negative pressure generation causes to fluctuate to a water transfer pipe network pressure；First pressure transmitter, second pressure transmitter transmit master respectively The pressure change signal of main pipe, third pipeline, control equipment control electronic according to the pressure change signal of main pipe, third pipeline Valve connection and the second pipeline of cutting；Tiny Drag Slow Shut Check Valves can prevent the water flow of main pipe from flowing back；By adding on the third pipeline Press pump sets gradually double flange limiting telescopic pieces, butterfly valve to laminating between pipe, by force (forcing) pump to main pipe on the third pipeline Between set gradually double flange limiting telescopic piece, adaptive Multifunctional oblique plate valve, second pressure transmitters, pressure gauge, butterfly valve, It can play the role of preferably pressurization, vibration damping.

A kind of pipe network pressure-superposed pressurized equipment work step of frequency conversion of the utility model is:

Step 1: when main pipe insufficient pressure, control equipment is electric according to the signal-off that first pressure transmitter is fed back Dynamic valve opens force (forcing) pump to main pipe water water inlet pressurization；

Step 2: when trunk pipe pressure meets end for when requiring, control equipment to be fed back according to second pressure transmitter Pressure signal, close force (forcing) pump, open the motor-driven valve on the second pipeline, main pipe directly supplies water；

In addition, it is further preferred that control equipment can also be according to the during being pressurizeed by pressurized equipment to main pipe The pressure signal of two pressure transmitters feedback carries out the adjusting that size pump enables.

It can be seen that when the utility model had both been able to satisfy the water use peak phase terminal temperature difference use water pressure demand, while energy It is a large amount of to reduce energy consumption.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims

1. a kind of pipe network pressure-superposed pressurized equipment of frequency conversion, including control equipment and for the main pipe of transmission pipeline network water, feature It is: further includes water tank, laminates pipe, pressurized equipment, pressure transmitter, motor-driven valve, the water tank is connected by the first pipeline It is logical to laminate pipe, it laminates pipe and is arranged in parallel with main pipe, laminate and be provided with the second pipeline and pressurized equipment between pipe and main pipe, it is main First pressure transmitter is set on main pipe, which connect with the signal receiving end of control equipment；

The pressurized equipment be it is multiple, which includes being connected to main pipe and laminating the third pipeline of pipe, the third pipeline Upper setting force (forcing) pump.

2. the pipe network pressure-superposed pressurized equipment of a kind of frequency conversion according to claim 1, it is characterised in that: set on first pipeline It is equipped with gate valve, the motor-driven valve and laminates gate valve is set on the second pipeline between pipe, between the motor-driven valve and main pipe Adaptive Multifunctional oblique plate valve is set on the second pipeline.

3. the pipe network pressure-superposed pressurized equipment of a kind of frequency conversion according to claim 1, it is characterised in that: on the third pipeline by Force (forcing) pump sets gradually double flange limiting telescopic pieces, butterfly valve to laminating between pipe, by force (forcing) pump to trunk on the third pipeline Double flange limiting telescopic piece, adaptive Multifunctional oblique plate valve, second pressure transmitters, pressure gauge, butterfly are set gradually between pipe Valve, second pressure transmitter is connect with the signal input part of the control equipment, close to the first pressure on the main pipe Pressure gauge is arranged in the region of transmitter.

4. according to claim 1 to the pipe network pressure-superposed pressurized equipment of a kind of frequency conversion described in 3 any claims, it is characterised in that: Described to laminate that pipe, the diameter of the second pipeline are identical as the diameter of main pipe, the diameter of first pipeline is greater than third pipeline Diameter and the diameter for being less than main pipe.

5. according to claim 1 to the pipe network pressure-superposed pressurized equipment of a kind of frequency conversion described in 3 any claims, it is characterised in that: Second pipeline and third pipeline are arranged in parallel, and first pipeline is arranged in parallel.

6. according to claim 1 to the pipe network pressure-superposed pressurized equipment of a kind of frequency conversion described in 3 any claims, it is characterised in that: The water tank is cylindrical enclosure structure, and water tank is 2 or 2 or more, and first pipeline is set to the side of water tank Wall intermediate region.

7. according to claim 1 to the pipe network pressure-superposed pressurized equipment of a kind of frequency conversion described in 3 any claims, it is characterised in that: The force (forcing) pump is horizontal double suction centrifugal pump, and the force (forcing) pump is the maximum output pressure of 2 or 2 or more and each force (forcing) pump It is different.

8. according to claim 1 to the pipe network pressure-superposed pressurized equipment of a kind of frequency conversion described in 3 any claims, it is characterised in that: The force (forcing) pump water inlet connects eccentric reducer, and the force (forcing) pump mouth of a river connects Concentric Reducers.

9. according to claim 1 to the pipe network pressure-superposed pressurized equipment of a kind of frequency conversion described in 3 any claims, it is characterised in that: The control equipment is PLC programmable controller or computer processor.