CN202925598U - Silence type pipeline non-negative pressure water supply device - Google Patents

Silence type pipeline non-negative pressure water supply device Download PDF

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Publication number
CN202925598U
CN202925598U CN 201220443337 CN201220443337U CN202925598U CN 202925598 U CN202925598 U CN 202925598U CN 201220443337 CN201220443337 CN 201220443337 CN 201220443337 U CN201220443337 U CN 201220443337U CN 202925598 U CN202925598 U CN 202925598U
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CN
China
Prior art keywords
shrouding
water
steady flow
negative pressure
flow compensation
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Expired - Fee Related
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CN 201220443337
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Chinese (zh)
Inventor
刘洪强
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刘洪强
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Priority to CN 201220443337 priority Critical patent/CN202925598U/en
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Publication of CN202925598U publication Critical patent/CN202925598U/en
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Abstract

A silence type pipeline non-negative pressure water supply device comprises a steady flow compensation tank, a pressure overlying 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 water outlet end, wherein the water inlet end is connected to the municipal tap water pipeline network through a water inlet pipe, the water inlet pipe is provided with a water inlet valve and a water inlet filter, the water outlet end is connected to the user side through a water outlet pipe, and the water outlet pipe is provided with a retaining valve, a transmissible pressure gauge, a diaphragm tank and a water outlet valve. The steady flow compensation tank is further provided with a negative pressure eliminator and a municipal protective instrument. The silence type pipeline non-negative pressure water supply device is characterized in that the pressure overlying device is a submerged pump which is arranged inside the steady flow compensation tank, the output end of the submerged pump is the water outlet end of the steady flow compensation tank, and the submerged pump elicits cables to the intelligent control cabinet. The silence type pipeline non-negative pressure water supply device solves the problem that a non-negative pressure water supply device has big noise, has the advantages of being small in noise, compact in structure, small in occupied area and the like, and is suitable for the water supply of high buildings in cities.

Description

Squelch type pipeline non-negative pressure water-supply installation
Technical field
The utility model 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 day by day increases, traditional solution is to build pond, water tank to supply water after by the water pump secondary pressurized, 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 draws water on the pipe network of municipal tap water and can not produce negative pressure in city planting ductwork, both utilized the pressure in the pipe network, the water pollution of having avoided again original pond way of supplying water to bring 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 centrifugal water pump, adopts motor with air cooling more, and noise is larger; And device structure is compact not.
The utility model content
The technical problems to be solved in the utility model is the defects 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 steady flow compensation tank that is arranged between municipal tap water pipe network and user side, also comprises stack-press device and Intelligent control cabinet; Described steady flow compensation tank is provided with water inlet end, water side, described water inlet end is connected to described municipal tap water pipe network through water inlet pipe, be provided with inlet valve, water inflow filter on water inlet pipe, described water side is connected to user side through outlet pipe, is provided with one way stop peturn valve, distance-transmission pressure gauge, diaphragm pot and flowing water Valve on described outlet pipe; Also be provided with negative pressure canceller, municipal administration protection instrument on described steady flow compensation tank; Described stack-press device is submersible pump, and described submersible pump is arranged in the steady flow compensation tank, and the diving delivery side of pump is the water side of described steady flow compensation tank; The submersible pump outgoing cable is to described Intelligent control cabinet.
Described stack-press device is submersible pump, is placed in the inside of steady flow compensation tank, produces noise during work less, and overall structure is compact and reasonable more, and floor space is few.
Preferably: the negative pressure canceller on described steady flow compensation tank comprises main casing, one-level one-way seal valve, secondary one-way seal valve;
At least be provided with the first inner chamber in described main casing, the bottom end closure of the first inner chamber has the first shrouding, top capping that the second shrouding is arranged, and is respectively arranged with air vent on described the first shrouding, the second shrouding; The first inner chamber communicates with the inner chamber of described steady flow compensation tank by the air vent of the first shrouding; The first inner chamber communicates with atmospheric environment by the air vent of the second shrouding;
Described one-level one-way seal valve is arranged on the air vent place of the first shrouding; Described secondary one-way seal valve is arranged on the air vent place of the second shrouding.
The two-stage sealing mechanism of above-mentioned negative pressure canceller designs, and can improve the reliability of negative pressure canceller.In the situation that primary seal can work, secondary seal will be in open mode, i.e. off position all the time.If primary seal lost efficacy, after the interior full water of steady flow compensation tank, water can enter into the first inner chamber of negative pressure canceller, and this moment, secondary seal was started working.Thereby improved the reliability of negative pressure canceller.
Preferred: described main casing also is provided with the second inner chamber, and the second inner chamber is positioned at the top of the first inner chamber and by described the second shrouding interval; The end sealing of the second inner chamber is stamped the 3rd shrouding; Be communicated with ventilating pipe between described the second inner chamber and atmospheric environment, Open Side Down for the inlet end of described ventilating pipe.
Open Side Down for the inlet end of ventilating pipe, can prevent that foreign material floating dust etc. enters in tank when air inlet in the steady flow compensation tank.
Preferred: described ventilating pipe is connected and composed by two sections pipes; The first paragraph pipe is arranged in negative pressure canceller, and the 3rd shrouding is passed on the top of first paragraph pipe, and the first shrouding is passed in the bottom of first paragraph pipe; The second segment pipe is arranged in described steady flow compensation tank, and the top of second segment pipe is communicated with the bottom end seal of first paragraph pipe, and encapsulation process between the tube wall of the bottom surface of steady flow compensation tank and second segment pipe and steady flow compensation tank is passed in the bottom of second segment pipe.
The said structure design makes ventilating pipe be not easy damaged.
Preferred: described one-level one-way seal valve comprises one-level filter screen, one-level ball float and is used for the primary seal piston of the air vent of shutoff the first shrouding; Described one-level filter screen is positioned at the first shrouding below and cover is buckled on the air vent of the first shrouding; Described one-level ball float, primary seal piston are positioned at described one-level filter screen, and the one-level ball float is positioned at below the primary seal piston;
Described secondary one-way seal valve comprises secondary filter screen, secondary ball float and is used for the secondary seal piston of the air vent of shutoff the second shrouding; Described secondary filter screen is positioned at the second shrouding below and cover is buckled on the air vent of the second shrouding; Described secondary ball float, secondary seal piston are positioned at described secondary filter screen, and the secondary ball float is positioned at below the secondary seal piston.
The structure design of one-level one-way seal valve, secondary one-way seal valve is simple, easily produces, cost is low.And adopt the filter screen design, in the time of can preventing from ventilating in tank, foreign material enter in the steady flow compensation tank.
In addition, as preferably: described the first shrouding is blank flange, and blank flange is simple in structure, handling ease, and the mounting or dismounting operation is also very easy.
The beneficial effects of the utility model are: this squelch type pipeline non-negative pressure water-supply installation, adopt submersible pump as stack-press device, and submersible pump is placed in the steady flow compensation tank, effectively solved the large problem of stack-press device noise in present non-negative pressure water-supply installation, has noise little, compact conformation, the advantage such as floor space is few can be widely used in solving the water supply problem of city high rise building.Its negative pressure canceller functional reliability is high in addition, and eliminates negative pressure in the steady flow compensation tank during air inlet, and floating dust and foreign material can not enter in tank.
Description of drawings
Below in conjunction with accompanying drawing to originally being described further:
Fig. 1 is the overall structure schematic diagram of the utility model embodiment;
Fig. 2 is the structure chart of steady flow compensation tank in the utility model embodiment;
Fig. 3 is the structure chart of submersible pump in the utility model embodiment;
Fig. 4 is the structure chart of negative pressure canceller in the utility model embodiment;
In figure: 1 municipal tap water pipe network, 2 user sides,
3 steady flow compensation 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 inflow filters, 7 outlet pipes, 8 one way stop peturn valves, 9 flowing water Valves, 10 distance-transmission pressure gauges, 11 diaphragm pots,
12 negative pressure cancellers, 121 main casings, 122 one-level one-way seal valves, 123 one-level filter screens, 124 one-level ball floats, 125 primary seal pistons, 126 secondary one-way seal 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 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 steady flow compensation tank 3 that is arranged between municipal tap water pipe network 1 and user side 2, also comprises submersible pump 15 and Intelligent control cabinet 14.
Described steady flow compensation tank 3 is provided with water inlet end, water side; Its water inlet end is connected to described municipal tap water pipe network 1 through water inlet pipe 4, is provided with inlet valve 5, water inflow filter 6 on water inlet pipe 4; Its water side is connected to user side 2 through outlet pipe 7, is provided with one way stop peturn valve 8, distance-transmission pressure gauge 10, diaphragm pot 11 and flowing water Valve 9 on described outlet pipe 7.Also be provided with negative pressure canceller 12, municipal administration protection instrument 13 on steady flow compensation tank 3.
As shown in Figure 2, this steady flow compensation tank 3 is by end socket 31, cylindrical shell 32 welding fabrications, its bottom welding supporting leg 33.At end socket 31 downside welding delivery port necks 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 steady flow compensation tank 3, and the interior welding ventilating pipe 38 of tank flange 36, ventilating pipe 38 pass steady flow compensation tank 3 bottoms and be positioned at outside tank, between the tank body of the neighboring of ventilating pipe 38 and steady flow compensation tank 3 welding closely knit, prevent from leaking.Water-in flange 39 is welded on the top of steady flow compensation tank 3.Silk head and ball valve 310 are used for installing municipal administration protection instrument 13.Wherein the silk head is welded on the top of steady flow compensation tank 3, and municipal administration protection instrument 13 is installed after mounting ball valve.
Its submersible pump 15 is as stack-press device, and described submersible pump 15 is arranged in steady flow compensation tank 3, and the output of submersible pump 15 is the water side of described steady flow compensation tank 3; Submersible pump 15 outgoing cables are to described Intelligent control cabinet 14.
Adopt submersible pump 15 as stack-press device, and be placed on the inside of steady flow compensation tank 3, produce noise during work less, overall structure is compact and reasonable more, and floor space is few.
As shown in Figure 3, be provided with mounting flange 151, water-output flange 152, water outlet short tube 153 on this submersible pump 15.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 sealing, prevents that the cable place from leaking.Submersible pump 15 is put into steady flow compensation tank 3 by the delivery port neck 34 on steady flow compensation tank 3, and mounting flange 151 and delivery port flange 34 bolts are connected and fixed.
As shown in Figure 4, the negative pressure canceller 12 on steady flow compensation tank 3 comprises main casing 121, one-level one-way seal valve 122, secondary one-way seal valve 126.
The bottom end closure that is provided with the first inner chamber 1214, the first inner chambers 1214 in its main casing 121 has the first shrouding 1210, top capping that the second shrouding 1211 is arranged, and is respectively arranged with air vent 1215 on described the first shrouding 1210, the second shrouding 1211.The first inner chamber 1214 communicates with the inner chamber of described steady flow compensation tank 3 by the air vent of the first shrouding 1210; The first inner chamber 1214 communicates with atmospheric environment by the air vent of the second shrouding 1211.
Described one-level one-way seal valve 122 is arranged on the air vent place of the first shrouding 1210.Described secondary one-way seal valve 126 is arranged on the air vent place of the second shrouding 1211.
The two-stage sealing mechanism of above-mentioned negative pressure canceller 12 designs, and can improve the reliability of negative pressure canceller.In the situation that one-level one-way seal valve 122 can work, secondary one-way seal valve 126 will be in open mode, i.e. off position all the time.If one-level one-way seal valve 122 lost efficacy, after the interior full water of steady flow compensation tank 3, water can enter into the first inner chamber 1214 of negative pressure canceller 12, and secondary one-way seal valve 126 is started working at this moment.Thereby improved the reliability of negative pressure canceller 12.
Wherein, one-level one-way seal valve 122 comprises that one-level filter screen 123, one-level ball float 124 reach the primary seal piston 125 of the air vent that is used for shutoff the first shrouding 1210.One-level filter screen 123 is positioned at the first shrouding 1210 belows and cover is buckled on the air vent of the 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 large, the steady flow compensation tank level was high, and water enters in 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 the first shrouding 1210.Prevent that the water in tank from overflowing.
When municipal tap water ductwork pressure hour, the interior liquid level of steady flow compensation tank 3 will descend, and one-level ball float 124 also moves down with the decline of liquid level, primary seal piston 125 moves down, air vent on the first shrouding 1210 is opened, and communicates with atmospheric environment in steady flow compensation tank 3, thereby eliminates negative pressure.
Its secondary one-way seal 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 the second shrouding 1211.Its secondary filter screen 127 is positioned at the second shrouding 1211 belows and cover is buckled on the air vent of the 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 seal valve 126 is identical with the operating principle of one-level one-way seal valve 122, repeats no more.
The structure design of above-mentioned one-level one-way seal valve 123, secondary one-way seal valve 126 is simple, easily produces, cost is low.And adopt the filter screen design, in the time of can preventing from ventilating in tank, foreign material enter in steady flow compensation tank 3.
Preferred: the main casing 121 of negative pressure canceller 12 is provided with also that the second inner chamber 1216, the second inner chambers 1216 are positioned at the top of the first inner chamber 1214 and by described the second shrouding 1211 intervals; The end sealing of the second inner chamber 1216 is stamped the 3rd shrouding 1212; Be communicated with ventilating pipe between the second inner chamber 1216 and atmospheric environment, Open Side Down for the inlet end of described ventilating pipe.
Open Side Down for the inlet end of ventilating pipe, can prevent that foreign material floating dust etc. enters in tank when air inlet in the steady flow compensation tank.
Preferred: described ventilating pipe is connected and composed by two sections pipes; The first paragraph pipe tube connector 1213 of namely ventilating is arranged in negative pressure canceller, and the 3rd shrouding 1212 is passed on the top of first paragraph pipe (ventilation tube connector 1213), and the first shrouding 1210 is passed in the bottom of first paragraph pipe (ventilation tube connector 1213); The second segment pipe is that ventilating pipe 38 is arranged in described steady flow compensation tank 3, and the top of second segment pipe (ventilating pipe 38) is communicated with the bottom end seal of first paragraph pipe (ventilation tube connector 1213).
The said structure design makes ventilating pipe integral body be not easy damaged.
In addition, as preferably: the first shrouding 1210 in negative pressure canceller is blank flange, and blank flange 1210 is connected with tank flange 36 bolts of steady flow compensation tank 3.Blank flange is simple in structure, handling ease, and the mounting or dismounting operation is also very easy.
During water supply, tap water enters in steady flow compensation tank 3 through inlet valve 5, water inflow filter 6, through arriving user side by one way stop peturn valve 8, flowing water Valve 9 after submersible pump 15 pressurizations.Diaphragm pot 11 is contained between one way stop peturn valve 8 and flowing water Valve 9 on pipeline, plays the effect of eliminating water hammer and small flow pressure maintaining.
Intelligent control cabinet 14 connects the motor lines of city planting ductworks protection instrument 13, distance-transmission pressure gauge 10, submersible pump 15, and the pressure that gathers when city planting ductwork protection instrument 13 is during lower than the city planting ductwork setting pressure, and it is out of service that Intelligent control cabinet 14 is controlled submersible pumps 15; When the pressure of city planting ductwork protection instrument 13 collections was set protection pressure higher than city planting ductwork, Intelligent control cabinet 14 was controlled submersible pump 15 operations.Intelligent control cabinet 14 compares by intelligence the force value that distance-transmission pressure gauge 10 gathers, and controls submersible pump 15 converting operations, realizes constant pressure water supply.

Claims (6)

1. squelch type pipeline non-negative pressure water-supply installation, comprise the steady flow compensation tank that is arranged between municipal tap water pipe network and user side, also comprises stack-press device and Intelligent control cabinet; Described steady flow compensation tank is provided with water inlet end, water side, described water inlet end is connected to described municipal tap water pipe network through water inlet pipe, be provided with inlet valve, water inflow filter on water inlet pipe, described water side is connected to user side through outlet pipe, is provided with one way stop peturn valve, distance-transmission pressure gauge, diaphragm pot and flowing water Valve on described outlet pipe; Also be provided with negative pressure canceller, municipal administration protection instrument on described steady flow compensation tank; It is characterized in that, described stack-press device is submersible pump, and described submersible pump is arranged in the steady flow compensation tank, and the diving delivery side of pump is the water side of described steady flow compensation tank; The submersible pump outgoing cable is to described Intelligent control cabinet.
2. squelch type pipeline non-negative pressure water-supply installation as claimed in claim 1, it is characterized in that: the negative pressure canceller on described steady flow compensation tank comprises main casing, one-level one-way seal valve, secondary one-way seal valve;
At least be provided with the first inner chamber in described main casing, the bottom end closure of the first inner chamber has the first shrouding, top capping that the second shrouding is arranged, and is respectively arranged with air vent on described the first shrouding, the second shrouding; The first inner chamber communicates with the inner chamber of described steady flow compensation tank by the air vent of the first shrouding; The first inner chamber communicates with atmospheric environment by the air vent of the second shrouding;
Described one-level one-way seal valve is arranged on the air vent place of the first shrouding; Described secondary one-way seal valve is arranged on the air vent place of the second shrouding.
3. squelch type pipeline non-negative pressure water-supply installation according to claim 2, it is characterized in that: described main casing also is provided with the second inner chamber, and the second inner chamber is positioned at the top of the first inner chamber and by described the second shrouding interval; The end sealing of the second inner chamber is stamped the 3rd shrouding; Be communicated with ventilating pipe between described the second inner chamber and atmospheric environment, Open Side Down for the inlet end of described ventilating pipe.
4. squelch type pipeline non-negative pressure water-supply installation according to claim 3, it is characterized in that: described ventilating pipe is connected and composed by two sections pipes; The first paragraph pipe is arranged in negative pressure canceller, and the 3rd shrouding is passed on the top of first paragraph pipe, and the first shrouding is passed in the bottom of first paragraph pipe; The second segment pipe is arranged in described steady flow compensation tank, and the top of second segment pipe is communicated with the bottom end seal of first paragraph pipe, and encapsulation process between the tube wall of the bottom surface of steady flow compensation tank and second segment pipe and steady flow compensation tank is passed in the bottom of second segment pipe.
5. according to claim 2 or 3 or 4 described squelch type pipeline non-negative pressure water-supply installations is characterized in that:
Described one-level one-way seal valve comprises one-level filter screen, one-level ball float and is used for the primary seal piston of the air vent of shutoff the first shrouding; Described one-level filter screen is positioned at the first shrouding below and cover is buckled on the air vent of the first shrouding; Described one-level ball float, primary seal piston are positioned at described one-level filter screen, and the one-level ball float is positioned at below the primary seal piston;
Described secondary one-way seal valve comprises secondary filter screen, secondary ball float and is used for the secondary seal piston of the air vent of shutoff the second shrouding; Described secondary filter screen is positioned at the second shrouding below and cover is buckled on the air vent of the second shrouding; Described secondary ball float, secondary seal piston are positioned at described secondary filter screen, and the secondary ball float is positioned at below the secondary seal piston.
6. squelch type pipeline non-negative pressure water-supply installation according to claim 5, it is characterized in that: described the first shrouding is blank flange.
CN 201220443337 2012-09-03 2012-09-03 Silence type pipeline non-negative pressure water supply device Expired - Fee Related CN202925598U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220443337 CN202925598U (en) 2012-09-03 2012-09-03 Silence type pipeline non-negative pressure water supply device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220443337 CN202925598U (en) 2012-09-03 2012-09-03 Silence type pipeline non-negative pressure water supply device

Publications (1)

Publication Number Publication Date
CN202925598U true CN202925598U (en) 2013-05-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102797278A (en) * 2012-09-03 2012-11-28 刘洪强 Non-negative-pressure water supply equipment with silent pipes
CN103255808A (en) * 2013-06-14 2013-08-21 四川博海供水设备有限公司 Integrated ultra-silence water supply device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102797278A (en) * 2012-09-03 2012-11-28 刘洪强 Non-negative-pressure water supply equipment with silent pipes
CN103255808A (en) * 2013-06-14 2013-08-21 四川博海供水设备有限公司 Integrated ultra-silence water supply device
CN103255808B (en) * 2013-06-14 2014-07-02 四川博海供水设备有限公司 Integrated ultra-silence water supply device

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Granted publication date: 20130508

Termination date: 20130903