CN205776512U - The energy-saving water supply equipment of silencing pump-in-tube without negative pressure - Google Patents

Abstract

The utility model discloses one to be mainly made up of pump group, low-capacity pump, auto-pneumatic cylinder and switch board in non-negative pressure stabilized compensator, negative pressure inhibition device, pipe without negative pressure silencing pump-in-tube energy-saving water supply equipment, distribution main is connected with low-capacity pump by low discharge low pressure sparge pipe, small flow high pressure sparge pipe also drawn by low discharge low pressure sparge pipe be connected with auto-pneumatic cylinder, auto-pneumatic cylinder is also connected with small flow pressure maintaining pipe, and on small flow high pressure sparge pipe, it is equiped with water distribution electrodynamic valve, small flow pressure maintaining pipe is equiped with switching electrodynamic valve.The beneficial effects of the utility model are, it is energy-conservation that this utility model can make full use of tap water pressure, to have obvious energy saving effect when low discharge state simultaneously, and take up an area few, noise is low, water supply security, health, run intelligent unmanned, be particularly suited for the life secondary water supply system of larger flow excursion.

Description

The energy-saving water supply equipment of silencing pump-in-tube without negative pressure

Technical field

This utility model relates to without negative pressure secondary hydrotechny field, specifically a kind of without negative pressure silencing pump-in-tube joint Can supply equipment.

Background technology

More and more along with high-rise, China's secondary water-supply mode day by generally, due to without negative pressure secondary water supply There is energy-conservation, health and the advantage such as management is easy to maintenance, thus non-negative pressure water-supply installation extensively should in secondary water-supply mode With.But non-negative pressure water-supply installation great majority in the market use horizontal steady-flow tank structure, and its occupation of land is bigger, it has not been convenient to pump house Layout and installation, and water pump uses centrifugal multistage pump multiple centrifugal pump or pipeline pump to there is water pump operation noise disturbs residents phenomenon, to resident living Impact is brought with work；On the other hand, there is the problem that low discharge water supply is the most energy-conservation in the non-negative pressure water-supply installation on market, because There is the characteristic that water consumption amplitude of variation is big, use water is uneven in the domestic water system of secondary water-supply, and often occurs long Time low discharge or the situation of zero delivery, as in the period in morning, but in order to the ductwork pressure maintaining secondary water-supply is constant, often need Continuing to start working barrel pressurize to run, now working barrel operates to idle work power consumption, and working barrel idle work runs the time Energy dissipation phenomenon will be there is in some up to a few hours.

Utility model content

The purpose of this utility model is for providing a kind of occupation of land energy-efficient, few, noiseless and nothing convenient for installation and maintenance Negative pressure silencing pump-in-tube energy-saving water supply equipment.

This utility model solves its technical problem and be the technical scheme is that and set without negative pressure silencing pump-in-tube energy saving water supply For being mainly made up of pump group, low-capacity pump, auto-pneumatic cylinder and switch board in non-negative pressure stabilized compensator, negative pressure inhibition device, pipe, institute State non-negative pressure stabilized compensator and include that tank body, described tank body are that vertical rustless steel cylinder, two ends end socket, bottom are propped up cylinder and supported knot Structure, tank body top is provided with negative pressure inhibition device interface, and negative pressure inhibition device interface and the supporting installing of described negative pressure inhibition device, without negative Being additionally provided with water inlet, outlet, by-pass port and Liquid level instrument interface on the tank body of pressure steady flow compensator, described water inlet sets In tank body top and the side being placed in vertical rustless steel cylinder, symmetrical with water inlet at the opposite side of vertical rustless steel cylinder It is provided with by-pass port, and water inlet is identical with the centrage of by-pass port, and between water inlet with by-pass port, be communicated with pipe connect, Being horizontally through tank body described communicating pipe, and be provided with distributing hole the communicating pipe of tank interior, described distributing hole is used for communicating pipe pair Tank body water distribution, described Liquid level instrument interface is located at tank body lower part, and Liquid level instrument interface is supporting with hydropenia liquid-level switch Installing, for detecting the water level in non-negative pressure stabilized compensator, described outlet is located at tank base, described tank interior, From negative pressure inhibition device seam, the centerline parallel along vertical rustless steel cylinder lays a negative pressure elimination pipe at the bottom of tank body Portion connects with outside air, and the negative pressure inhibition device being so installed in negative pressure inhibition device interface eliminates pipe and outside air by negative pressure Connection, described negative pressure eliminates between pipe and described communicating pipe perpendicular but non-interference, and negative pressure eliminates pipe and gets around in tank interior Communicating pipe is arranged, and the water inlet of described non-negative pressure stabilized compensator is connected with tap water water inlet pipe, and fills in described water inlet It is provided with intake pressure detection table, the tap water water inlet pipe before connecting water inlet is equiped with filter and backflow preventer, And before filter is located at backflow preventer, the outlet of described non-negative pressure stabilized compensator is connected with distribution main, then by joining Supply mains connects range pipe, and in range pipe connecting tube, pump assembles water, and in pipe, the water outlet of pump group connects exit branch, then by water outlet Arm is connected with outfall sewer, and outfall sewer is connected water supply through flow detector with water spot, on described range pipe Being equiped with into water connecting hose, be equiped with water outlet connecting hose and go out Water Check Valve on described exit branch, in such pipe, pump group is led to Cross water inlet connecting hose and water outlet connecting hose is connected with range pipe and exit branch respectively, be on the one hand conducive to the peace of pump group in pipe On the other hand dress, is also beneficial to the vibration isolation of pump group, noise reduction in pipe, described in go out Water Check Valve for preventing current from passing through exit branch It is back to pump group in pipe and forms circulation or leakage, described distribution main also draws low discharge low pressure sparge pipe and described rill Amount pump connects, and low-capacity pump is prepared with airtight pressure-bearing distribution reservoir, and low-capacity pump is installed in airtight pressure-bearing distribution reservoir, described Airtight pressure-bearing distribution reservoir for low-capacity pump being carried out the pressure water distribution of total enclosing, and low-capacity pump is played shielding, noise reduction and The effect of cooling, namely low-capacity pump water inlet first passes through low discharge low pressure sparge pipe and draws pressure water source entrance from distribution main Airtight pressure-bearing distribution reservoir, then fetched water in airtight pressure-bearing distribution reservoir by low-capacity pump, low-capacity pump water outlet will be by airtight pressure-bearing Distribution reservoir skirt is connected with low discharge feed pipe, and low discharge feed pipe is connected with outfall sewer again, is press-fitted described low discharge is low Being equiped with low pressure water distribution check-valves on water pipe, described low pressure water distribution check-valves water in preventing airtight pressure-bearing distribution reservoir passes through Low discharge low pressure sparge pipe is back to distribution main, is equiped with low discharge feed-check valve, institute on described low discharge feed pipe State low discharge feed-check valve for preventing the water of outfall sewer to be back to airtight pressure-bearing distribution reservoir, institute by low discharge feed pipe State low discharge low pressure sparge pipe after low pressure water distribution check-valves, before airtight pressure-bearing distribution reservoir, draw small flow high pressure water distribution Pipe, then be connected with described auto-pneumatic cylinder by small flow high pressure sparge pipe, described small flow high pressure sparge pipe is equiped with high pressure Water distribution check-valves and water distribution electrodynamic valve, and after high pressure water distribution check-valves is contained in water distribution electrodynamic valve and low discharge low pressure water distribution Managing close, described high pressure water distribution check-valves is for preventing the current of low discharge low pressure sparge pipe from flowing backward to auto-pneumatic cylinder, described Small flow pressure maintaining pipe is drawn on small flow high pressure sparge pipe between water distribution electrodynamic valve and auto-pneumatic cylinder, then by small flow pressure maintaining pipe It is connected with described outfall sewer, and on described small flow pressure maintaining pipe, is equiped with switching electrodynamic valve, at described small flow high pressure It is equiped with water distribution switching pressure detecting table on sparge pipe, and described water distribution switching pressure detecting table is installed in water distribution electrodynamic valve and gas Between pressure tank, described distribution main was also equiped with water treatment before connecting range pipe and low discharge low pressure sparge pipe Device, described outfall sewer be also equiped with before flow detector discharge pressure detection table and overpressure protection switch, described in go out Supply mains is connected also by the by-pass port of bypass pipe with described non-negative pressure stabilized compensator, described bypass pipe is equiped with bypass only Returning valve, described bypass check valve is for preventing the current of outfall sewer to be back in non-negative pressure stabilized compensator by bypass pipe.

In described pipe, pump group includes that immersible pump, shell and pipe cap, described shell are vertical rustless steel tubular structure, at the bottom of shell Installation fixation plays for fixing base plate in portion, and shell top is shell flange, and shell is by shell flange with described pipe cap even Connecing, be pipe cap flange bottom described pipe cap, pipe cap flange is mutually prepared with shell flange, and at pipe cap flange and shell flange Between be provided with sealing ring, pipe cap flange and shell flange are tightened by securing member and are connected and pinch seal circle is sealed, this Sample, described shell and pipe cap become an airtight pressure-bearing interval by shell flange with pipe cap Flange joint respectively, and described immersible pump fills It is located in this airtight pressure-bearing interval, thus plays the effect that immersible pump is carried out water distribution, shielding and noise reduction, significantly reduce diving The running noises of pump, described pipe cap top connects increaser, described increaser along the centrage of pipe cap through pipe cap, and with pipe It is an overall structure that cap is welded, and one end that increaser stretches within pipe cap carries out dismountable with described diving delivery side of pump Being tightly connected, it is pressured outlet that increaser stretches out the other end outside pipe cap, and described pressured outlet is connected with described exit branch, Being additionally provided with cable seal and exhaust nozzle on described pipe cap, described cable seal is for carrying out close to the power line of immersible pump Envelope preparation, with facilitate immersible pump pass through pipe cap extracting power supply cord and to pipe cap seal occur without leakage, described exhaust nozzle for and Time drain the pneumatosis within shell and pipe cap, be perpendicular to the shell bottom of shell centrage, be provided with along shell radial direction Water-distributing gap and leaking port, the elevation of top of described leaking port is less than the elevation of bottom of described water-distributing gap, the most described water-distributing gap Elevation of top is less than the center absolute altitude of the Liquid level instrument interface of described non-negative pressure stabilized compensator, and described water-distributing gap is with described Range pipe connects, and supporting with leaking port is in addition also equiped with sluicing plug.

Pump group, low discharge in described intake pressure detection table, negative pressure inhibition device, hydropenia liquid-level switch, water quality treater, pipe Pump, water distribution electrodynamic valve, switching electrodynamic valve, water distribution switching pressure detecting table, flow detector, discharge pressure detection table and superpressure Protection switch is covered with cable respectively and is connected with described switch board, and is connected with touch screen on switch board.

Operation principle of the present utility model is, negative pressure inhibition device is used for controlling tap water water inlet pipe and non-negative pressure stabilized compensation Device directly concatenate water supply without negative pressure, when in the inflow of tap water water inlet pipe compensator not enough, non-negative pressure stabilized water storage mend Filling and time water level begins to decline, negative pressure inhibition device will automatically turn on and eliminates pipe by negative pressure and fills into air, thus eliminates negative Pressure, sufficient until tap water inflow and after detecting non-negative pressure stabilized compensator full water, negative pressure inhibition device will turn off and recover To laminating water supply, i.e. tap water water inlet pipe pressure is carried out ftercompction water supply, when normally working, entered by the immersible pump of pump group in pipe Row constant pressure water supply, meanwhile auto-pneumatic cylinder lays in enough regulating pondages, now water distribution electricity by small flow pressure maintaining pipe Dynamic valve cuts out, switching electrodynamic valve is opened, when with the low discharge of water low peak period, when detecting that flow is low by flow detector When presetting small flow rate values and time period the most presetting for 5s～30s, system will be judged to low discharge state, now First constant voltage presetting for outfall sewer is gone out water number and improves 0.03MPa～0.10MPa force value, then by pump group latent in pipe The time period that water-pump voltage-stabilization 2s～10s is presetting, so that the regulating pondage that auto-pneumatic cylinder deposit is sufficient, when immersible pump is according to exceeding The presetting constant voltage of outfall sewer goes out water number 0.03MPa～0.10MPa force value carry out voltage stabilizing reach 2s～10s presetting time Between after section, immersible pump will automatically exit from running and entering resting state, the above 5s～30s, 2s～10s and 0.03MPa ～0.10MPa need to arbitrarily be set as a certain value according to practical situation, and out of service at immersible pump and enter low discharge state During, first carried out small flow pressure maintaining water supply by auto-pneumatic cylinder by small flow pressure maintaining pipe, with the water supply of satisfied water spot Demand, along with the regulating pondage of auto-pneumatic cylinder reduces, the discharge pressure of outfall sewer reduces, when being examined by discharge pressure detection table Measuring the discharge pressure of outfall sewer when going out water number less than presetting constant voltage, low-capacity pump will start and pre-according to system automatically The constant voltage set goes out water number and carries out constant pressure water supply, and now water distribution electrodynamic valve is opened, switching electrodynamic valve cuts out, and high pressure water distribution is only Returning valve to automatically open up, it is rill that the adjustable water of auto-pneumatic cylinder will enter airtight pressure-bearing distribution reservoir by small flow high pressure sparge pipe Amount pump water distribution, owing to the hydraulic pressure of the low discharge low pressure sparge pipe before low pressure water distribution check-valves is less than after low pressure water distribution check-valves The hydraulic pressure of small flow high pressure sparge pipe, low pressure water distribution check-valves will be closed, thus cut off low-capacity pump and passed through Low discharge low pressure sparge pipe is fetched water from distribution main, when hydraulic pressure auto-pneumatic cylinder being detected by water distribution switching pressure detecting table When being decreased below the fixed switching force value of systemic presupposition, water distribution electrodynamic valve will turn off and cut off small flow high pressure sparge pipe Water source, now low pressure water distribution check-valves would automatically turn on and water flowing under the effect of water pressure difference, and such low-capacity pump will be logical Cross low discharge low pressure sparge pipe to fetch water from distribution main, owing to the distribution power of low-capacity pump is less than the immersible pump of pump group in pipe Distribution power, therefore the energy consumption in low-capacity pump running is by well below the immersible pump operation energy consumption of pump group in pipe, Thus reaching the optimum energy-saving effect that the low-capacity pump under low discharge state runs, this is external when low-capacity pump runs, switching Electrodynamic valve will always be in closed mode, when detecting that operation low-capacity pump can not make the discharge pressure of outfall sewer maintain and be When presetting constant voltage of uniting goes out water number, will terminate low discharge state, now system will automatically switch to the immersible pump of pump group in pipe Running and reach constant pressure water supply, low-capacity pump will automatically exit from out of service, and switching electrodynamic valve automatically turns on, and cuts Change electrodynamic valve and will be in opening when low-capacity pump is in halted state all the time, the most repeatedly, 24 hours whole days will be realized Wait continual continuous water supply, and be up to efficient energy-saving in low discharge state.

In described pipe, pump group is that 1～4 sets are arranged in parallel, and described low-capacity pump coordinates the immersible pump of pump group in pipe to select 1～2 Platform, and the type selecting lift of the immersible pump type selecting flow of the type selecting flow of low-capacity pump preferably 1/4～1/3 times, low-capacity pump is then According to the type selecting lift of immersible pump or carry out type selecting less than immersible pump type selecting lift 5%～25%.

Described hydropenia liquid-level switch is used for protecting pump group and low-capacity pump in pipe, when in pump group in pipe immersible pump run or During low-capacity pump work, due to the water shortage of tap water water inlet pipe, cause negative pressure inhibition device action and non-negative pressure stabilized compensation Water level decreasing in device, when the water level decreasing detected by hydropenia liquid-level switch in non-negative pressure stabilized compensator is to less than system Time below presetting hydropenia liquid level, system judges hydropenia and by operating immersible pump or low-capacity pump stoppage protection and report Alert, when by intake pressure detection table detect the pressure of tap water water inlet pipe return to systemic presupposition fixed open pump pressure value with Time upper, in pipe, the immersible pump in pump group will start and recover normal work automatically, when flow being detected by flow detector During less than presetting small flow rate values and time period the most presetting for 5s～30s, system will switch to low discharge state to carry out Supply water.

Described discharge pressure detection table is for detecting the discharge pressure of supply mains, when water outlet pressure outfall sewer being detected When power goes out water number less than the fixed constant voltage of systemic presupposition, immersible pump frequency or the low discharge of pump group in operating pipe will be promoted Pump frequency, thus improve the discharge pressure of outfall sewer, when discharge pressure outfall sewer being detected is fixed higher than systemic presupposition When constant voltage goes out water number, immersible pump frequency or the low-capacity pump frequency of pump group in operating pipe will be reduced, thus reduce The discharge pressure of outfall sewer, so regulates, and the discharge pressure realizing outfall sewer is maintained perseverance that systemic presupposition is fixed all the time Extrude on water number, reach the effect of constant pressure water supply, and economize on electricity, energy-conservation；

Meanwhile, go out when the constant voltage that the intake pressure of tap water water inlet pipe is sufficient and fixed greater than or equal to systemic presupposition During water number, will control operating immersible pump or low-capacity pump is shut down and enters resting state, now system will pass through bypass pipe Directly supply water to water spot, when being detected by discharge pressure detection table when immersible pump and low-capacity pump are in shutdown resting state When discharge pressure to outfall sewer goes out water number less than the fixed constant voltage of systemic presupposition, in pipe, the immersible pump in pump group will start automatically Work with recovering normal, when detecting that flow is less than presetting small flow rate values and continues 5s～30s by flow detector During the presetting time period, system will switch to low discharge state to supply water, and run or system is at immersible pump During low discharge state, owing to the outlet pressure of bypass check valve is higher than inlet pressure, bypass check valve will go out according to it Mouth pressure is closed higher than inlet pressure, thus the water being effectively prevented outfall sewer is formed and flows backwards.

Described overpressure protection switch for playing overpressure protection effect to outfall sewer, when by overpressure protection switch detection When discharge pressure to outfall sewer exceeds the fixed overpressure protection value of systemic presupposition and can not be effectively controlled, overpressure protection is opened Close action and make operating immersible pump or low-capacity pump be in halted state and report to the police, when going out of outfall sewer being detected When water pressure goes out water number less than the fixed constant voltage of systemic presupposition, overpressure protection eliminates, and system will be automatically restored to normal condition.

Described water quality treater is for carrying out water disinfecting, sterilize and the effect such as purification crossing flowing water body, thus ensures to supply Water water quality safety, cleaning and health.

Described switch board is for realizing the Automated condtrol of system, distribution, showing, protect and the function such as warning.

Described auto-pneumatic cylinder is used for low discharge energy saving water supply, provides pressure water source for low-capacity pump when can also work simultaneously, To improve the effective for water capacity of auto-pneumatic cylinder, additionally, auto-pneumatic cylinder also has voltage stabilizing and eliminates the effect of water hammer, when at diving Pump start and stop, switching or when causing the pressure oscillation of outfall sewer or flow to change with the sudden change of water spot flow instantaneous, Pneumatic water The regulating pondage of tank, by playing buffering and the effect of regulation, reaches the effect of voltage stabilizing.

The beneficial effects of the utility model are, it is energy-conservation that this utility model can make full use of tap water pressure, simultaneously at rill To have obvious energy saving effect during amount state, and take up an area few, noise is low, water supply security, health, runs intelligent unmanned value Keep, be particularly suited for the life secondary water supply system of larger flow excursion.

Accompanying drawing explanation

Accompanying drawing 1 is structure flow chart of the present utility model；

Accompanying drawing 2 is the structural representation of pump group in pipe of the present utility model.

In accompanying drawing 1 and accompanying drawing 2,1, tap water water inlet pipe, 2, filter, 3, backflow preventer, 4, intake pressure detection Table, 5, non-negative pressure stabilized compensator, 6, negative pressure inhibition device, 7, hydropenia liquid-level switch, 8, water quality treater, 9, range pipe, 10, Water inlet connecting hose, 11, distribution main, 12, pump group in pipe, 13, water outlet connecting hose, 14, go out Water Check Valve, 15, exit branch, 16, low-capacity pump, 17, airtight pressure-bearing distribution reservoir, 18, low discharge low pressure range pipe, 19, low pressure water distribution check-valves, 20, rill Amount high pressure range pipe, 21, high pressure water distribution check-valves, 22, water distribution electrodynamic valve, 23, switching electrodynamic valve, 24, water distribution switching pressure Detection table, 25, auto-pneumatic cylinder, 26, small flow pressure maintaining pipe, 27, low discharge feed-check valve, 28, low discharge feed pipe, 29, stream Amount detecting device, 30, outfall sewer, 31, discharge pressure detection table, 32, overpressure protection switch, 33, bypass check valve, 34, other Siphunculus, 35, cable, 36, switch board, 37, touch screen, 38, with water spot, 51, tank body, 511, water inlet, 512, communicating pipe, 513, distributing hole, 514, by-pass port, 515, vertical rustless steel cylinder, 516, end socket, 517, a cylinder, 518, negative pressure eliminate pipe, 519, outlet, 5110, Liquid level instrument interface, 5111, negative pressure inhibition device interface, 1201, fixing base plate, 1202, water distribution Mouthful, 1203, immersible pump, 1204, shell, 1205, shell flange, 1206, pipe cap flange, 1207, pipe cap, 1208, cable seal Part, 1209, pressured outlet, 1210, increaser, 1211, exhaust nozzle, 1212, sealing ring, 1213, securing member, 1214, leaking port, 1215, sluicing plug.

Detailed description of the invention

The energy-saving water supply equipment of silencing pump-in-tube without negative pressure of the present utility model is made following detailed with regard to accompanying drawing 1 and accompanying drawing 2 below Carefully illustrate.

As shown in Figures 1 and 2, the energy-saving water supply equipment of silencing pump-in-tube without negative pressure of the present utility model is mainly by without negative In pressure steady flow compensator 5, negative pressure inhibition device 6, pipe, pump group 12, low-capacity pump 16, auto-pneumatic cylinder 25 and switch board 36 form, described Non-negative pressure stabilized compensator 5 includes that tank body 51, described tank body 51 are vertical rustless steel cylinder 515, two ends end socket 516, bottom Propping up cylinder 517 supporting construction, tank body 51 top is provided with negative pressure inhibition device interface 5111, and negative pressure inhibition device interface 5111 is negative with described The pressure supporting installing of suppressor 6, is additionally provided with water inlet 511, outlet 519, bypass on the tank body 51 of non-negative pressure stabilized compensator 5 Mouth 514 and Liquid level instrument interface 5110, described water inlet 511 is located at tank body 51 top and is placed in vertical rustless steel cylinder The side of 515, opposite side and water inlet 511 at vertical rustless steel cylinder 515 are arranged with by-pass port 514, and water inlet 511 is identical with the centrage of by-pass port 514, and be communicated with pipe 512 between water inlet 511 with by-pass port 514 and connect, described It is horizontally through tank body 51 communicating pipe 512, and is provided with distributing hole 513, described distributing hole 513 communicating pipe 512 within tank body 51 For communicating pipe 512, tank body 51 water distribution, described Liquid level instrument interface 5110 are located at tank body 51 bottom, Liquid level instrument Interface 5110 and the supporting installing of hydropenia liquid-level switch 7, for detecting the water level in non-negative pressure stabilized compensator 5, described outlet 519 are located at bottom tank body 51, along vertical rustless steel cylinder inside described tank body 51, at negative pressure inhibition device interface 5111 The centerline parallel of 515 lays a negative pressure elimination pipe 518 and connects with outside air bottom tank body 51, is so installed in negative pressure The negative pressure inhibition device 6 of suppressor interface 5111 eliminates pipe 518 by negative pressure and connects with outside air, and described negative pressure eliminates pipe 518 And perpendicular but non-interference between described communicating pipe 512, negative pressure eliminates pipe 518 and gets around inside tank body 51 and set communicating pipe 512 Putting, the water inlet 511 of described non-negative pressure stabilized compensator 5 is connected with tap water water inlet pipe 1, and fills at described water inlet 511 It is provided with intake pressure detection table 4, the tap water water inlet pipe 1 before connecting water inlet 511 is equiped with filter 2 and flows backwards anti- Only device 3, and before filter 2 is located at backflow preventer 3, the outlet 519 of described non-negative pressure stabilized compensator 5 and distribution main 11 connect, then are connected range pipe 9 by distribution main 11, pump group 12 water distribution in range pipe 9 connecting tube, pump group 12 water outlet in pipe Connect exit branch 15, then be connected with outfall sewer 30 by exit branch 15, outfall sewer 30 through flow detector 29 and Connect with water spot 38 and supply water, described range pipe 9 is equiped with into water connecting hose 10, described exit branch 15 is equiped with Water outlet connecting hose 13 and go out Water Check Valve 14, in such pipe pump group 12 by water inlet connecting hose 10 and water outlet connecting hose 13 respectively with Range pipe 9 and exit branch 15 connect, and are on the one hand conducive to the installation of pump group 12 in pipe, are on the other hand also beneficial to pump in pipe The vibration isolation of group 12, noise reduction, described in go out Water Check Valve 14 and be back to pump group 12 shape in pipe for preventing current from passing through exit branch 15 Become circulation or leakage, described distribution main 11 also draw low discharge low pressure sparge pipe 18 and is connected with described low-capacity pump 16, And low-capacity pump 16 is prepared with airtight pressure-bearing distribution reservoir 17, low-capacity pump 16 is installed in airtight pressure-bearing distribution reservoir 17, described Airtight pressure-bearing distribution reservoir 17 for low-capacity pump 16 being carried out the pressure water distribution of total enclosing, and low-capacity pump 16 is played shielding, Noise reduction and the effect of cooling, namely low-capacity pump 16 water inlet first passes through low discharge low pressure sparge pipe 18 and draws from distribution main 11 Pressure water source enters airtight pressure-bearing distribution reservoir 17, then is fetched water in airtight pressure-bearing distribution reservoir 17 by low-capacity pump 16, low-capacity pump 16 water outlets will be connected with low discharge feed pipe 28 by airtight pressure-bearing distribution reservoir 17 skirt, and low discharge feed pipe 28 is total with water outlet again Pipe 30 connects, and is equiped with low pressure water distribution check-valves 19, described low pressure water distribution check-valves on described low discharge low pressure sparge pipe 18 19 water in preventing airtight pressure-bearing distribution reservoir 17 are back to distribution main 11, described by low discharge low pressure sparge pipe 18 Being equiped with low discharge feed-check valve 27 on low discharge feed pipe 28, described low discharge feed-check valve 27 is used for preventing water outlet total The water of pipe 30 is back to airtight pressure-bearing distribution reservoir 17 by low discharge feed pipe 28, and described low discharge low pressure sparge pipe 18 is in low pressure Draw small flow high pressure sparge pipe 20 after water distribution check-valves 19, before airtight pressure-bearing distribution reservoir 17, then joined by small flow high pressure Water pipe 20 is connected with described auto-pneumatic cylinder 25, is equiped with high pressure water distribution check-valves 21 He on described small flow high pressure sparge pipe 20 Water distribution electrodynamic valve 22, and high pressure water distribution check-valves 21 leans on low discharge low pressure sparge pipe 18 after being contained in water distribution electrodynamic valve 22 Closely, described high pressure water distribution check-valves 21 is for preventing the current of low discharge low pressure sparge pipe 18 from flowing backward to auto-pneumatic cylinder 25, in institute State extraction small flow pressure maintaining pipe 26 on the small flow high pressure sparge pipe 20 between water distribution electrodynamic valve 22 and auto-pneumatic cylinder 25, then by little Flow pressure maintaining pipe 26 is connected with described outfall sewer 30, and is equiped with switching electrodynamic valve on described small flow pressure maintaining pipe 26 23, described small flow high pressure sparge pipe 20 is equiped with water distribution switching pressure detecting table 24, and described water distribution switching pressure inspection Survey table 24 is installed between water distribution electrodynamic valve 22 and auto-pneumatic cylinder 25, and described distribution main 11 is connecting range pipe 9 and rill Also being equiped with water quality treater 8 before amount low pressure sparge pipe 18, described outfall sewer 30 also filled before flow detector 29 Be provided with discharge pressure detection table 31 and overpressure protection switch 32, described outfall sewer 30 also by bypass pipe 34 with described without negative pressure The by-pass port 514 of steady flow compensator 5 connects, and described bypass pipe 34 is equiped with bypass check valve 33, described bypass check valve 33 Current for preventing outfall sewer 30 are back in non-negative pressure stabilized compensator 5 by bypass pipe 34.

In described pipe pump group 12 include immersible pump 1203, shell 1204 and pipe cap 1207, described shell 1204 be vertical not Rust steel pipe type structure, plays installation fixation for fixing base plate 1201 bottom shell 1204, and shell 1204 top is shell method Blue 1205, shell 1204 is connected with described pipe cap 1207 by shell flange 1205, is pipe cap flange bottom described pipe cap 1207 1206, pipe cap flange 1206 is mutually prepared with shell flange 1205, and between pipe cap flange 1206 and shell flange 1205 Being provided with sealing ring 1212, pipe cap flange 1206 and shell flange 1205 are tightened by securing member 1213 and are connected and pinch seal Circle 1212 is sealed, and so, described shell 1204 and pipe cap 1207 are respectively by shell flange 1205 and pipe cap flange 1206 Connecting into an airtight pressure-bearing interval, described immersible pump 1203 is installed in this airtight pressure-bearing interval, thus plays immersible pump 1203 effects carrying out water distribution, shielding and noise reduction, reduce the running noises of immersible pump 1203, described pipe cap 1207 top significantly Connecting increaser 1210, described increaser 1210 is along the centrage of pipe cap 1207 through pipe cap 1207, and welds with pipe cap 1207 It is made as an overall structure, and the outlet that increaser 1210 stretches into one end within pipe cap 1207 and described immersible pump 1203 is carried out Dismountable being tightly connected, it is pressured outlet 1209 that increaser 1210 stretches out the other end outside pipe cap 1207, described in add extrusion Mouth 1209 is connected with described exit branch 15, is additionally provided with cable seal 1208 and exhaust nozzle 1211 on described pipe cap 1207, Described cable seal 1208 is for carrying out sealing preparation to the power line of immersible pump 1203, to facilitate immersible pump 1203 by pipe Cap 1207 extracting power supply cord also occurs without leakage to pipe cap 1207 sealing, and described exhaust nozzle 1211 drains shell in time 1204 and pipe cap 1207 within pneumatosis, be perpendicular to shell 1204 bottom of shell 1204 centrage, along shell 1204 footpath Be provided with water-distributing gap 1202 and leaking port 1214 to direction, the elevation of top of described leaking port 1214 is less than described water-distributing gap 1202 Elevation of bottom, the elevation of top of the most described water-distributing gap 1202 is less than the Liquid level instrument of described non-negative pressure stabilized compensator 5 The center absolute altitude of interface 5110, described water-distributing gap 1202 is connected with described range pipe 9, supporting with leaking port 1214 in addition also fills It is provided with sluicing plug 1215.

Described intake pressure detection table 4, negative pressure inhibition device 6, hydropenia liquid-level switch 7, water quality treater 8, pipe in pump group 12, Low-capacity pump 16, water distribution electrodynamic valve 22, switching electrodynamic valve 23, water distribution switching pressure detecting table 24, flow detector 29, water outlet Pressure detecting table 31 and overpressure protection switch 32 are covered with cable 35 respectively and are connected with described switch board 36, and on switch board 36 It is connected with touch screen 37.

Operation principle of the present utility model is, negative pressure inhibition device 6 is used for controlling tap water water inlet pipe 1 and non-negative pressure stabilized benefit That repays device 5 directly concatenates water supply without negative pressure, the storage in the inflow of tap water water inlet pipe 1 compensator 5 not enough, non-negative pressure stabilized When water supplements and water level begins to decline, negative pressure inhibition device 6 will automatically turn on and passes through negative pressure elimination pipe 518 and fills into air, thus Eliminating negative pressure, sufficient until tap water inflow and after detecting non-negative pressure stabilized compensator 5 full water, negative pressure inhibition device 6 will be automatically Close and return to laminate water supply, i.e. tap water water inlet pipe 1 pressure being carried out ftercompction water supply, when normally working, by pump in pipe The immersible pump 1203 of group 12 carries out constant pressure water supply, and meanwhile auto-pneumatic cylinder 25 is laid in enough by small flow pressure maintaining pipe 26 Regulating pondage, now water distribution electrodynamic valve 22 cuts out, switches electrodynamic valve 23 and open, when with the low discharge of water low peak period, when logical Inflow-rate of water turbine detection device 29 detects when flow is less than presetting small flow rate values and continues the time period presetting for 5s～30s, System will be judged to low discharge state, the most first constant voltage presetting for outfall sewer 30 is gone out water number improve 0.03MPa～ 0.10MPa force value, then by the time period presetting for immersible pump 1203 voltage stabilizing 2s～10s of pump group 12 in pipe, so that gas Pressure tank 25 lays in the regulating pondage of abundance, when immersible pump 1203 goes out water number according to the constant voltage exceeding outfall sewer 30 presetting 0.03MPa～0.10MPa force value carries out after voltage stabilizing reaches 2s～the 10s presetting time period, and immersible pump 1203 will be automatically Out of service and enter resting state, the above 5s～30s, 2s～10s and 0.03MPa～0.10MPa need to be according to actual feelings Condition is arbitrarily set as a certain value, and out of service at immersible pump 1203 and during entering low discharge state, first by gas Pressure tank 25 carries out small flow pressure maintaining water supply, with the water requirements of satisfied water spot 38, along with gas by small flow pressure maintaining pipe 26 The regulating pondage of pressure tank 25 reduces, and the discharge pressure of outfall sewer 30 reduces, when being detected by discharge pressure detection table 31 When the discharge pressure of outfall sewer 30 goes out water number less than presetting constant voltage, low-capacity pump 16 will start and pre-according to system automatically The constant voltage set goes out water number and carries out constant pressure water supply, and now water distribution electrodynamic valve 22 opens, switches electrodynamic valve 23 and cut out, and height is press-fitted Water Check Valve 21 automatically opens up, and the adjustable water of auto-pneumatic cylinder 25 will enter airtight pressure-bearing by small flow high pressure sparge pipe 20 and join Water tank 17 is low-capacity pump 16 water distribution, owing to the hydraulic pressure of the low discharge low pressure sparge pipe 18 before low pressure water distribution check-valves 19 is less than The hydraulic pressure of the small flow high pressure sparge pipe 18 after low pressure water distribution check-valves 19, low pressure water distribution check-valves 19 will be in cut out shape State, thus cut off low-capacity pump 16 and fetched water from distribution main 11, when being cut by water distribution by low discharge low pressure sparge pipe 18 Change pressure detecting table 24 and detect when the hydraulic pressure of auto-pneumatic cylinder 25 is decreased below systemic presupposition fixed switching force value, water distribution electricity Dynamic valve 22 will turn off and cut off the water source of small flow high pressure sparge pipe 20, and now low pressure water distribution check-valves 19 is poor in water pressure Effect under would automatically turn on and water flowing, such low-capacity pump 16 will be by low discharge low pressure sparge pipe 18 from distribution main 11 Water intaking, owing to the distribution power of low-capacity pump 16 is less than the distribution power of the immersible pump 1203 of pump group 12 in pipe, therefore at rill Energy consumption in amount pump 16 running is by well below immersible pump 1203 operation energy consumption of pump group 12 in pipe, thus reaches low discharge The optimum energy-saving effect that low-capacity pump 16 under state runs, this is external when low-capacity pump 16 runs, and switching electrodynamic valve 23 will It is constantly in closed mode, pre-when detecting that operation low-capacity pump 16 can not make the discharge pressure of outfall sewer 30 maintain system When the constant voltage set goes out water number, will terminate low discharge state, now system will automatically switch to the immersible pump of pump group 12 in pipe 1203 run and reach constant pressure water supply, and low-capacity pump 16 will automatically exit from out of service, and switching electrodynamic valve 23 is opened automatically Open, and switch electrodynamic valve 23 and will be in opening all the time when low-capacity pump 16 is in halted state, the most repeatedly, by real Existing 24 hours round-the-clock continual continuous water supplies, and it is up to efficient energy-saving in low discharge state.

In described pipe, pump group 12 is that 1～4 sets are arranged in parallel, and described low-capacity pump 16 coordinates the immersible pump of pump group 12 in pipe 1203 select 1～2, and the immersible pump 1203 type selecting flow of the type selecting flow of low-capacity pump 16 preferably 1/4～1/3 times, little The type selecting lift of flow pump 16 then according to the type selecting lift of immersible pump 1203 or enters less than immersible pump 1203 type selecting lift 5%～25% Row type selecting.

Described hydropenia liquid-level switch 7 is used for protecting pump group 12 and low-capacity pump 16, the diving in pump group 12 in pipe in pipe When pump 1203 runs or low-capacity pump 16 works, due to the water shortage of tap water water inlet pipe 1, cause negative pressure inhibition device 6 action With the water level decreasing in non-negative pressure stabilized compensator 5, in non-negative pressure stabilized compensator 5 being detected by hydropenia liquid-level switch 7 Water level decreasing to time below the hydropenia liquid level the most fixed less than systemic presupposition, system judges hydropenia and by operating immersible pump 1203 or low-capacity pump 16 stoppage protection reporting to the police, when pressure tap water water inlet pipe 1 being detected by intake pressure detection table 4 Power return to systemic presupposition fixed when opening more than pump pressure value, in pipe, the immersible pump 1203 in pump group 12 will automatically start and recover Normal work, when detecting that flow is less than presetting small flow rate values and lasting 5s～30s presets by flow detector 29 During the fixed time period, system will switch to low discharge state to supply water.

Described discharge pressure detection table 31 is for detecting the discharge pressure of supply mains 30, when outfall sewer 30 being detected When discharge pressure goes out water number less than the fixed constant voltage of systemic presupposition, immersible pump 1203 frequency of pump group 12 in operating pipe will be promoted Or low-capacity pump 16 frequency, thus improve the discharge pressure of outfall sewer 30, when water outlet pressure outfall sewer 30 being detected When power goes out water number higher than the fixed constant voltage of systemic presupposition, by reduce pump group 12 in operating pipe immersible pump 1203 frequency or Low-capacity pump 16 frequency, thus reduce the discharge pressure of outfall sewer 30, so regulate, the water outlet of outfall sewer 30 will be realized Pressure maintains the fixed constant voltage of systemic presupposition all the time and goes out on water number, reaches the effect of constant pressure water supply, and economize on electricity, energy-conservation；

Meanwhile, go out when the constant voltage that the intake pressure of tap water water inlet pipe 1 is sufficient and fixed greater than or equal to systemic presupposition During water number, will control operating immersible pump 1203 or low-capacity pump 16 is shut down and enters resting state, now system will be passed through Bypass pipe 34 directly supplies water to water spot 38, when passing through when immersible pump 1203 and low-capacity pump 16 are in shutdown resting state When the constant voltage fixed less than systemic presupposition that water pressure detection table 31 detects the discharge pressure of outfall sewer 30 goes out water number, pump group in pipe Immersible pump 1203 in 12 will start and recover normal work automatically, pre-when detecting that flow is less than by flow detector 29 When the small flow rate values set and time period the most presetting for 5s～30s, system will switch to low discharge state to supply water, And during immersible pump 1203 runs or system is in low discharge state, due to the outlet pressure of bypass check valve 33 Higher than inlet pressure, bypass check valve 33 will be closed higher than inlet pressure according to its outlet pressure, thus effectively The water preventing outfall sewer 30 is formed and flows backwards.

Described overpressure protection switch 32 is for playing overpressure protection effect to outfall sewer 30, when being switched by overpressure protection 32 detect when the discharge pressure of outfall sewer 30 exceeds the fixed overpressure protection value of systemic presupposition and can not be effectively controlled, super Pressure protection switch 32 by action and makes operating immersible pump 1203 or low-capacity pump 16 be in halted state and report to the police, and works as inspection Measuring the discharge pressure of outfall sewer 30 constant voltage fixed less than systemic presupposition when going out water number, overpressure protection eliminates, and system will be automatically Revert to normal condition.

Described water quality treater 8 is for carrying out water disinfecting, sterilize and the effect such as purification crossing flowing water body, thus ensures to supply Water water quality safety, cleaning and health.

Described switch board 36 is for realizing the Automated condtrol of system, distribution, showing, protect and the function such as warning.

Described auto-pneumatic cylinder 25, for low discharge energy saving water supply, provides press water for low-capacity pump 16 simultaneously when can also work Source, to improve the effective for water capacity of auto-pneumatic cylinder 25, additionally, auto-pneumatic cylinder 25 also has voltage stabilizing and eliminates the effect of water hammer, When in immersible pump 1203 start and stop, switching or causing the pressure oscillation of outfall sewer 30 or flow to be sent out with the sudden change of water spot 38 flow instantaneous During changing, the regulating pondage of auto-pneumatic cylinder 25, by playing buffering and the effect of regulation, reaches the effect of voltage stabilizing.

Claims (6)

1. without a negative pressure silencing pump-in-tube energy-saving water supply equipment, mainly by non-negative pressure stabilized compensator, negative pressure inhibition device, Guan Zhong Pump group, low-capacity pump, auto-pneumatic cylinder and switch board composition, described non-negative pressure stabilized compensator includes that tank body, tank body top are provided with Negative pressure inhibition device interface, and negative pressure inhibition device interface and the supporting installing of described negative pressure inhibition device, at non-negative pressure stabilized compensator Water inlet, outlet, by-pass port and Liquid level instrument interface, described Liquid level instrument interface and hydropenia it is additionally provided with on tank body The supporting installing of liquid-level switch, and intake pressure detection table it is equiped with in described water inlet, described outlet is with distribution main even Connect, then connected range pipe by distribution main, pump group in range pipe connecting tube, in pipe, the water outlet of pump group connects exit branch, then Being connected with outfall sewer by exit branch, outfall sewer is connected water supply through flow detector with water spot, and described water outlet is total Pipe was also equiped with discharge pressure detection table and overpressure protection switch before flow detector, it is characterised in that join described Also drawing low discharge low pressure sparge pipe on supply mains to be connected with described low-capacity pump, low-capacity pump is installed in airtight pressure-bearing distribution reservoir In, low-capacity pump water outlet is connected with low discharge feed pipe, and low discharge feed pipe is connected with outfall sewer again, low at described low discharge It is press-fitted on water pipe and is equiped with low pressure water distribution check-valves, described low discharge feed pipe is equiped with low discharge feed-check valve, institute State low discharge low pressure sparge pipe after low pressure water distribution check-valves, before airtight pressure-bearing distribution reservoir, draw small flow high pressure water distribution Pipe, then be connected with described auto-pneumatic cylinder by small flow high pressure sparge pipe, described small flow high pressure sparge pipe is equiped with high pressure Water distribution check-valves and water distribution electrodynamic valve, the small flow high pressure sparge pipe between described water distribution electrodynamic valve and auto-pneumatic cylinder is drawn Small flow pressure maintaining pipe, then be connected with described outfall sewer by small flow pressure maintaining pipe, and install on described small flow pressure maintaining pipe Having switching electrodynamic valve, be equiped with water distribution switching pressure detecting table on described small flow high pressure sparge pipe, described distribution main exists Water quality treater also it is equiped with before connecting range pipe and low discharge low pressure sparge pipe.

The energy-saving water supply equipment of silencing pump-in-tube without negative pressure the most according to claim 1, it is characterised in that pump group in described pipe Including immersible pump, shell and pipe cap, described shell is vertical rustless steel tubular structure, and shell top is shell flange, and shell leads to Crossing shell flange to be connected with described pipe cap, be pipe cap flange bottom described pipe cap, pipe cap flange is mutually prepared with shell flange, and And between pipe cap flange and shell flange, it being provided with sealing ring, described shell and pipe cap are respectively by shell flange and pipe cap method It is interval that orchid connects into an airtight pressure-bearing, and described immersible pump is installed in this airtight pressure-bearing interval, and described pipe cap top connects flaring Pipe, and one end that increaser stretches within pipe cap carries out dismountable being tightly connected with described diving delivery side of pump.

The energy-saving water supply equipment of silencing pump-in-tube without negative pressure the most according to claim 1, it is characterised in that prop up in described water distribution It is equiped with on pipe into water connecting hose, described exit branch is equiped with water outlet connecting hose and goes out Water Check Valve.

The energy-saving water supply equipment of silencing pump-in-tube without negative pressure the most according to claim 1, it is characterised in that described water distribution switches Pressure detecting table is installed between water distribution electrodynamic valve and auto-pneumatic cylinder.

The energy-saving water supply equipment of silencing pump-in-tube without negative pressure the most according to claim 1, it is characterised in that described outfall sewer By-pass port also by bypass pipe with described non-negative pressure stabilized compensator is connected, and described bypass pipe is equiped with bypass check valve.

The energy-saving water supply equipment of silencing pump-in-tube without negative pressure the most according to claim 1, it is characterised in that described intake pressure Pump group, low-capacity pump, water distribution electrodynamic valve, switching electricity in detection table, negative pressure inhibition device, hydropenia liquid-level switch, water quality treater, pipe Dynamic valve, water distribution switching pressure detecting table, flow detector, discharge pressure detection table and overpressure protection switch are covered with cable respectively Line is connected with described switch board, and is connected with touch screen on switch board.