CN102797278A - Non-negative-pressure water supply equipment with silent pipes - Google Patents

Non-negative-pressure water supply equipment with silent pipes Download PDF

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Publication number
CN102797278A
CN102797278A CN2012103212008A CN201210321200A CN102797278A CN 102797278 A CN102797278 A CN 102797278A CN 2012103212008 A CN2012103212008 A CN 2012103212008A CN 201210321200 A CN201210321200 A CN 201210321200A CN 102797278 A CN102797278 A CN 102797278A
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shrouding
water
pipe
current stabilization
negative pressure
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CN2012103212008A
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Chinese (zh)
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刘洪强
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Abstract

A non-negative-pressure water supply equipment with silent pipes comprises a steady flow compensation tank, a pressure overlapping device and an intelligent control cabinet, wherein the steady flow compensation tank is arranged between a municipal tap water pipeline network and a user side; the steady flow compensation tank is provided with a water inlet end and a water outlet end; the water inlet end is connected to the municipal tap water pipeline network through a water inlet pipe; a water inlet valve and a water inlet filter are arranged on the water inlet pipe; the water outlet end is connected to the user side through a water outlet pipe; a one-way retaining valve, a remote transmission pressure gauge, a diaphragm tank and a water outlet valve are arranged on the water outlet pipe; and a negative-pressure eliminator and a municipal protective gauge are also arranged on the steady flow compensation tank. The water supply equipment is characterized in that the pressure overlapping device is a submersible pump; the submersible pump is arranged in the steady flow compensation tank; the output end of the submersible pump is the water outlet end of the steady flow compensation tank; and a cable is led from the submersible pump to the intelligent cabinet. The water supply equipment solves the loud noise problem of non-negative-pressure water supply equipment and has the advantages of low noise, compact structure, small floor space and the like, so that the water supply equipment is suitable for supplying water to urban high-rise buildings.

Description

Squelch type pipeline non-negative pressure water-supply installation
Technical field
The present invention relates to a kind of supply equipment, particularly a kind of squelch type pipeline non-negative pressure water-supply installation.
Background technology
General municipal tap water pipe network generally can only guarantee the pressure of supply water of 5-6 floor; For the building water supply that increases day by day; The traditional solution is to build pond, water tank through water pump secondary pressurization back water supply, and present existing solution is to adopt non-negative pressure water-supply installation.
Non-negative pressure water-supply installation can directly be serially connected in and draw water on the pipe network of municipal tap water and can in city planting ductwork, not produce negative pressure; Both utilized the pressure in the pipe network; The water pollution of having avoided original pond way of supplying water to bring again is for the problem that solves building water supply provides a kind of effective way.
But present existing non-negative pressure water-supply installation pressure-producing part is a centrifugal water pump, adopts motor with air cooling more, and noise is bigger; And device structure is compact inadequately.
Summary of the invention
The technical problem that the present invention will solve is the above-mentioned defective that how to overcome prior art, and a kind of squelch type pipeline non-negative pressure water-supply installation is provided, and the little and compact conformation of its noise, floor space are little.
For solving the problems of the technologies described above, this squelch type pipeline non-negative pressure water-supply installation comprises the current stabilization compensating tank that is arranged between municipal tap water pipe network and the user side, also comprises stack-press device and Based Intelligent Control cabinet; Said current stabilization compensating tank is provided with water inlet end, water side; Said water inlet end is connected to said municipal tap water pipe network through water inlet pipe; Water inlet pipe is provided with inlet valve, water inlet strainer; Said water side is connected to user side through outlet pipe, and said outlet pipe is provided with one way stop peturn valve, teletransmission pressure meter, barrier film jar and flowing water Valve; Also be provided with negative pressure arrester, municipal administration protection instrument on the said current stabilization compensating tank; Said stack-press device is a submersible pump, and said submersible pump is arranged in the current stabilization compensating tank, and the diving delivery side of pump is the water side of said current stabilization compensating tank; Submersible pump outgoing cable to described Based Intelligent Control cabinet.
Said stack-press device is a submersible pump, places the inside of current stabilization compensating tank, and it is less to produce noise during work, and overall structure is compact and reasonable more, and floor space is few.
Preferably: the negative pressure arrester on the said current stabilization compensating tank comprises main casing, one-level one-way sealing valve, secondary one-way sealing valve;
At least be provided with first inner chamber in the described main casing, the bottom end closure of first inner chamber has first shrouding, top capping that second shrouding is arranged, and is respectively arranged with air vent on said first shrouding, second shrouding; First inner chamber communicates with the inner chamber of said current stabilization compensating tank through the air vent of first shrouding; First inner chamber communicates with atmospheric environment through the air vent of second shrouding;
Described one-level one-way sealing valve is arranged on the air vent place of first shrouding; Described secondary one-way sealing valve is arranged on the air vent place of second shrouding.
The two-stage sealing mechanism of above-mentioned negative pressure arrester designs, and can improve the reliability of negative pressure arrester.But under the situation of primary seal operate as normal, secondary seal will be in open mode, i.e. off position all the time.If primary seal lost efficacy, then behind the interior full water of current stabilization compensating tank, water can enter into first inner chamber of negative pressure arrester, and this moment, secondary seal was started working.Thereby improved the reliability of negative pressure arrester.
Preferred: said main casing also is provided with second inner chamber, and second inner chamber is positioned at the top of first inner chamber and passes through described second shrouding at interval; The end sealing of second inner chamber is stamped the 3rd shrouding; Be communicated with ventilating pipe between said second inner chamber and the atmospheric environment, Open Side Down for the inlet end of said ventilating pipe.
Open Side Down for the inlet end of ventilating pipe, can prevent when air inlet in the current stabilization compensating tank, and foreign material floating dust etc. get in the jar.
Preferred: described ventilating pipe is connected and composed by two sections pipes; First section pipe is arranged in the negative pressure arrester, and the 3rd shrouding is passed on the top of first section pipe, and first shrouding is passed in the bottom of first section pipe; Second section pipe is arranged in the said current stabilization compensating tank, and the top of second section pipe is communicated with the bottom end seal of first section pipe, and encapsulation process between tube wall and the current stabilization compensating tank of bottom surface and second section pipe of current stabilization compensating tank is passed in the bottom of second section pipe.
The said structure design makes that ventilating pipe is not easy to be damaged.
Preferred: described one-level one-way sealing valve comprises one-level filter screen, one-level ball float and is used for the primary seal piston of the air vent of shutoff first shrouding; Described one-level filter screen is positioned at first shrouding below and cover is buckled on the air vent of first shrouding; Described one-level ball float, primary seal piston are positioned at said one-level filter screen, and the one-level ball float is positioned at primary seal piston below;
Described secondary one-way sealing valve comprises secondary filter screen, secondary ball float and is used for the secondary seal piston of the air vent of shutoff second shrouding; Described secondary filter screen is positioned at second shrouding below and cover is buckled on the air vent of second shrouding; Described secondary ball float, secondary seal piston are positioned at said secondary filter screen, and the secondary ball float is positioned at secondary seal piston below.
The structure design of one-level one-way sealing valve, secondary one-way sealing valve is simple, be prone to produce, cost is low.And adopt the filter screen design, in the time of can preventing in jar, to ventilate, foreign material get in the current stabilization compensating tank.
In addition, as preferably: described first shrouding is a blank flange, simple in structure, the handling ease of blank flange, and also the mounting or dismounting operation is also very easy.
The invention has the beneficial effects as follows: this squelch type pipeline non-negative pressure water-supply installation; Adopt submersible pump as stack-press device, and submersible pump is placed in the current stabilization compensating tank, effectively solved the big problem of stack-press device noise in the present non-negative pressure water-supply installation; It is little to have noise; Advantages such as compact conformation, floor space lack can be adaptable across the water supply problem that solves city high rise building.Its negative pressure arrester functional reliability is high in addition, and eliminates negative pressure in the current stabilization compensating tank during air inlet, and floating dust and foreign material can not get in the jar.
Description of drawings
Below in conjunction with accompanying drawing to originally being described further:
Fig. 1 is the overall structure sketch map of the embodiment of the invention;
Fig. 2 is the structure chart of current stabilization compensating tank in the embodiment of the invention;
Fig. 3 is the structure chart of submersible pump in the embodiment of the invention;
Fig. 4 is the structure chart of negative pressure arrester in the embodiment of the invention;
Among the figure: 1 municipal tap water pipe network, 2 user sides,
3 current stabilization compensating tanks, 31 end sockets, 32 cylindrical shells, 33 supporting legs, 34 delivery port necks, 35 delivery port flanges, 36 tank flanges, 37 tank body necks, 38 ventilating pipes, 39 water inlet flanges, 310 heads and ball valve,
4 water inlet pipes, 5 inlet valves, 6 water inlet strainers, 7 outlet pipes, 8 one way stop peturn valves, 9 flowing water Valves, 10 teletransmission pressure meters, 11 barrier film jars,
12 negative pressure arresters, 121 main casings, 122 one-level one-way sealing valves, 123 one-level filter screens, 124 one-level ball floats; 125 primary seal pistons, 126 secondary one-way sealing valves, 127 secondary filter screens, 128 secondary ball floats, 129 secondary seal pistons; 1,210 first shroudings, 1,211 second shroudings, 1212 the 3rd shroudings, 1213 ventilation tube connectors; 1,214 first inner chambers, 1215 air vents, 1,216 second inner chambers
13 municipal administration protection instrument, 14 Based Intelligent Control cabinets,
15 submersible pumps, 151 mounting flanges, 152 water-output flanges, 153 water outlet short tubes, 154 cable glands.
The specific embodiment
As shown in Figure 1, this squelch type pipeline non-negative pressure water-supply installation comprises the current stabilization compensating tank 3 that is arranged between municipal tap water pipe network 1 and the user side 2, also comprises submersible pump 15 and Based Intelligent Control cabinet 14.
Said current stabilization compensating tank 3 is provided with water inlet end, water side; Its water inlet end is connected to said municipal tap water pipe network 1 through water inlet pipe 4, and water inlet pipe 4 is provided with inlet valve 5, water inlet strainer 6; Its water side is connected to user side 2 through outlet pipe 7, and said outlet pipe 7 is provided with one way stop peturn valve 8, teletransmission pressure meter 10, barrier film jar 11 and flowing water Valve 9.Also be provided with negative pressure arrester 12, municipal administration protection instrument 13 on the current stabilization compensating tank 3.
As shown in Figure 2, this current stabilization compensating tank 3 is by end socket 31, cylindrical shell 32 welding fabrications, and supporting leg 33 is welded in its bottom.At end socket 31 downsides welding delivery port neck 34, and welding delivery port flange 35.Tank flange 36 welding tank body necks 37; Tank body neck 37 is welded on the top of current stabilization compensating tank 3, welding ventilating pipe 38 in the tank flange 36, and ventilating pipe 38 passes current stabilization compensating tank 3 bottoms and is positioned at outside the jar; Between the tank body of the neighboring of ventilating pipe 38 and current stabilization compensating tank 3 welding closely knit, prevent to leak.Water-in flange 39 is welded on the top of current stabilization compensating tank 3.Silk head and ball valve 310 are used to install municipal administration protection instrument 13.Wherein the silk head is welded on the top of current stabilization compensating tank 3, and municipal administration protection instrument 13 is installed behind the mounting ball valve.
Its submersible pump 15 is as stack-press device, and said submersible pump 15 is arranged in the current stabilization compensating tank 3, and the output of submersible pump 15 is the water side of said current stabilization compensating tank 3; Submersible pump 15 outgoing cables to described Based Intelligent Control cabinet 14.
Adopt submersible pump 15 as stack-press device, and be placed on the inside of current stabilization compensating tank 3, it is less to produce noise during work, and overall structure is compact and reasonable more, and floor space is few.
As shown in Figure 3, this submersible pump 15 is provided with mounting flange 151, water-output flange 152, water outlet short tube 153.The submersible pump mounting flange 151 that is threaded, mounting flange 151 welding water outlet short tubes 153, water outlet short tube 153 welding water-output flanges 152, mounting flange 151 is provided with cable gland 154.Cable passes mounting flange 151 through cable gland 154 sealings, prevents that the cable place from leaking.Submersible pump 15 is put into current stabilization compensating tank 3 by the delivery port neck 34 on the current stabilization compensating tank 3, and mounting flange 151 is connected fixing with delivery port flange 34 bolts.
As shown in Figure 4, the negative pressure arrester 12 on the current stabilization compensating tank 3 comprises main casing 121, one-level one-way sealing valve 122, secondary one-way sealing valve 126.
The bottom end closure that is provided with first inner chamber, 1214, the first inner chambers 1214 in its main casing 121 has first shrouding 1210, top capping that second shrouding 1211 is arranged, and is respectively arranged with air vent 1215 on said first shrouding 1210, second shrouding 1211.First inner chamber 1214 communicates with the inner chamber of said current stabilization compensating tank 3 through the air vent of first shrouding 1210; First inner chamber 1214 communicates with atmospheric environment through the air vent of second shrouding 1211.
Described one-level one-way sealing valve 122 is arranged on the air vent place of first shrouding 1210.Described secondary one-way sealing valve 126 is arranged on the air vent place of second shrouding 1211.
The two-stage sealing mechanism of above-mentioned negative pressure arrester 12 designs, and can improve the reliability of negative pressure arrester.But under the situation of one-level one-way sealing valve 122 operate as normal, secondary one-way sealing valve 126 will be in open mode, i.e. off position all the time.If one-level one-way sealing valve 122 lost efficacy, then behind the current stabilization compensating tank 3 interior full waters, water can enter into first inner chamber 1214 of negative pressure arrester 12, and secondary one-way sealing valve 126 is started working at this moment.Thereby improved the reliability of negative pressure arrester 12.
Wherein, one-level one-way sealing valve 122 comprises one-level filter screen 123, one-level ball float 124 and is used for the primary seal piston 125 of the air vent of shutoff first shrouding 1210.One-level filter screen 123 is positioned at first shrouding, 1210 belows and cover is buckled on the air vent of first shrouding 1210.One-level ball float 124, primary seal piston 125 are positioned at one-level filter screen 123, and one-level ball float 124 is positioned at primary seal piston 125 belows.
When the municipal tap water ductwork pressure was big, current stabilization compensation tank level was high, and water gets in the one-level filter screen 123, and one-level ball float 124 is jack-up primary seal piston 125 under buoyancy, and primary seal piston 125 blocks the air vent of first shrouding 1210.Prevent that jar interior water from overflowing.
When municipal tap water ductwork pressure hour, liquid levels will descend in the current stabilization compensating tank 3, and one-level ball float 124 also moves down with the decline of liquid level; Primary seal piston 125 moves down; Air vent on first shrouding 1210 is opened, and communicates with atmospheric environment in the current stabilization compensating tank 3, thereby eliminates negative pressure.
Its secondary one-way sealing valve 126 comprises secondary filter screen 127, secondary ball float 128 and is used for the secondary seal piston 129 of the air vent of shutoff second shrouding 1211.Its secondary filter screen 127 is positioned at second shrouding, 1211 belows and cover is buckled on the air vent of second shrouding 1211.Its secondary ball float 128, secondary seal piston 129 are positioned at secondary filter screen 127, and secondary ball float 128 is positioned at secondary seal piston 129 belows.
The operating principle of this secondary one-way sealing valve 126 is identical with the operating principle of one-level one-way sealing valve 122, repeats no more.
The structure design of above-mentioned one-level one-way sealing valve 123, secondary one-way sealing valve 126 is simple, is prone to produce, cost is low.And adopt the filter screen design, in the time of can preventing in jar, to ventilate, foreign material get in the current stabilization compensating tank 3.
Preferred: the main casing 121 of negative pressure arrester 12 also is provided with second inner chamber, 1216, the second inner chambers 1216 and is positioned at the top of first inner chamber 1214 and passes through described second shrouding 1211 at interval; The end sealing of second inner chamber 1216 is stamped the 3rd shrouding 1212; Be communicated with ventilating pipe between second inner chamber 1216 and the atmospheric environment, Open Side Down for the inlet end of said ventilating pipe.
Open Side Down for the inlet end of ventilating pipe, can prevent when air inlet in the current stabilization compensating tank, and foreign material floating dust etc. get in the jar.
Preferred: described ventilating pipe is connected and composed by two sections pipes; First section pipe tube connector 1213 of promptly ventilating is arranged in the negative pressure arrester, and the top of first section pipe (ventilation tube connector 1213) is passed the bottom of 1212, the first sections pipes of the 3rd shrouding (tube connector 1213 of ventilating) and passed first shrouding 1210; Second section pipe is that ventilating pipe 38 is arranged in the said current stabilization compensating tank 3, and the top of second section pipe (ventilating pipe 38) is communicated with the bottom end seal of first section pipe (ventilation tube connector 1213).
The said structure design makes ventilating pipe integral body be not easy to be damaged.
In addition, as preferably: first shrouding 1210 in the negative pressure arrester is a blank flange, and blank flange 1210 is connected with tank flange 36 bolts of current stabilization compensating tank 3.Simple in structure, the handling ease of blank flange, and the mounting or dismounting operation is also very easy.
During water supply, tap water arrives user side through submersible pump 15 pressurization backs through one way stop peturn valve 8, flowing water Valve 9 through in inlet valve 5, the water inlet strainer 6 entering current stabilization compensating tanks 3.Barrier film jar 11 is contained between one way stop peturn valve 8 and the flowing water Valve 9 on the pipeline, plays the effect of eliminating water hammer and low discharge pressurize.
Based Intelligent Control cabinet 14 connects the motor lines of city planting ductwork protection instrument 13, teletransmission pressure meter 10, submersible pump 15, and when the pressure of city planting ductwork protection instrument 13 collections was lower than the city planting ductwork setting pressure, Based Intelligent Control cabinet 14 control submersible pumps 15 were out of service; When the pressure of city planting ductwork protection instrument 13 collections is higher than city planting ductwork setting protection pressure, 15 operations of Based Intelligent Control cabinet 14 control submersible pumps.The force value that Based Intelligent Control cabinet 14 is gathered through intelligent distant biography pressure meter 10, control submersible pump 15 converting operations are realized constant pressure water supply.

Claims (6)

1. squelch type pipeline non-negative pressure water-supply installation comprises the current stabilization compensating tank that is arranged between municipal tap water pipe network and the user side, also comprises stack-press device and Based Intelligent Control cabinet; Said current stabilization compensating tank is provided with water inlet end, water side; Said water inlet end is connected to said municipal tap water pipe network through water inlet pipe; Water inlet pipe is provided with inlet valve, water inlet strainer; Said water side is connected to user side through outlet pipe, and said outlet pipe is provided with one way stop peturn valve, teletransmission pressure meter, barrier film jar and flowing water Valve; Also be provided with negative pressure arrester, municipal administration protection instrument on the said current stabilization compensating tank; It is characterized in that said stack-press device is a submersible pump, said submersible pump is arranged in the current stabilization compensating tank, and the diving delivery side of pump is the water side of said current stabilization compensating tank; Submersible pump outgoing cable to described Based Intelligent Control cabinet.
2. squelch type pipeline non-negative pressure water-supply installation as claimed in claim 1 is characterized in that: the negative pressure arrester on the said current stabilization compensating tank comprises main casing, one-level one-way sealing valve, secondary one-way sealing valve;
At least be provided with first inner chamber in the described main casing, the bottom end closure of first inner chamber has first shrouding, top capping that second shrouding is arranged, and is respectively arranged with air vent on said first shrouding, second shrouding; First inner chamber communicates with the inner chamber of said current stabilization compensating tank through the air vent of first shrouding; First inner chamber communicates with atmospheric environment through the air vent of second shrouding;
Described one-level one-way sealing valve is arranged on the air vent place of first shrouding; Described secondary one-way sealing valve is arranged on the air vent place of second shrouding.
3. squelch type pipeline non-negative pressure water-supply installation according to claim 2, it is characterized in that: said main casing also is provided with second inner chamber, and second inner chamber is positioned at the top of first inner chamber and passes through described second shrouding at interval; The end sealing of second inner chamber is stamped the 3rd shrouding; Be communicated with ventilating pipe between said second inner chamber and the atmospheric environment, Open Side Down for the inlet end of said ventilating pipe.
4. squelch type pipeline non-negative pressure water-supply installation according to claim 3 is characterized in that: described ventilating pipe is connected and composed by two sections pipes; First section pipe is arranged in the negative pressure arrester, and the 3rd shrouding is passed on the top of first section pipe, and first shrouding is passed in the bottom of first section pipe; Second section pipe is arranged in the said current stabilization compensating tank, and the top of second section pipe is communicated with the bottom end seal of first section pipe, and encapsulation process between tube wall and the current stabilization compensating tank of bottom surface and second section pipe of current stabilization compensating tank is passed in the bottom of second section pipe.
5. according to the described squelch type pipeline of claim 1-4 non-negative pressure water-supply installation, it is characterized in that:
Described one-level one-way sealing valve comprises one-level filter screen, one-level ball float and is used for the primary seal piston of the air vent of shutoff first shrouding; Described one-level filter screen is positioned at first shrouding below and cover is buckled on the air vent of first shrouding; Described one-level ball float, primary seal piston are positioned at said one-level filter screen, and the one-level ball float is positioned at primary seal piston below;
Described secondary one-way sealing valve comprises secondary filter screen, secondary ball float and is used for the secondary seal piston of the air vent of shutoff second shrouding; Described secondary filter screen is positioned at second shrouding below and cover is buckled on the air vent of second shrouding; Described secondary ball float, secondary seal piston are positioned at said secondary filter screen, and the secondary ball float is positioned at secondary seal piston below.
6. any one squelch type pipeline non-negative pressure water-supply installation according to claim 5, it is characterized in that: described first shrouding is a blank flange.
CN2012103212008A 2012-09-03 2012-09-03 Non-negative-pressure water supply equipment with silent pipes Pending CN102797278A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2752331Y (en) * 2004-09-24 2006-01-18 夏巍 Full-automatic pipe net laminated pressure water supply machine set
CN101210424A (en) * 2006-12-26 2008-07-02 张明亮 Vacuum suppresser
CN201172843Y (en) * 2008-01-08 2008-12-31 王庆民 Non-negative-pressure auto- pressurizing water supply equipment with built-in water pump
US20090107562A1 (en) * 2007-10-29 2009-04-30 Ruibo Wang Pre-pressurized self-balanced negative-pressure-free water-supply apparatus
CN201250419Y (en) * 2008-09-05 2009-06-03 郑州水业科技发展有限公司 Pipe network pressure superposition intelligent water-supplying pumping station system
CN201713869U (en) * 2010-04-29 2011-01-19 上海中韩杜科泵业制造有限公司 Vacuum suppressor device for steady flow tank of non-negative pressure water supply equipment
CN202925598U (en) * 2012-09-03 2013-05-08 刘洪强 Silence type pipeline non-negative pressure water supply device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2752331Y (en) * 2004-09-24 2006-01-18 夏巍 Full-automatic pipe net laminated pressure water supply machine set
CN101210424A (en) * 2006-12-26 2008-07-02 张明亮 Vacuum suppresser
US20090107562A1 (en) * 2007-10-29 2009-04-30 Ruibo Wang Pre-pressurized self-balanced negative-pressure-free water-supply apparatus
CN201172843Y (en) * 2008-01-08 2008-12-31 王庆民 Non-negative-pressure auto- pressurizing water supply equipment with built-in water pump
CN201250419Y (en) * 2008-09-05 2009-06-03 郑州水业科技发展有限公司 Pipe network pressure superposition intelligent water-supplying pumping station system
CN201713869U (en) * 2010-04-29 2011-01-19 上海中韩杜科泵业制造有限公司 Vacuum suppressor device for steady flow tank of non-negative pressure water supply equipment
CN202925598U (en) * 2012-09-03 2013-05-08 刘洪强 Silence type pipeline non-negative pressure water supply device

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Application publication date: 20121128