CN202012101U - Air purification type negative pressure suppressing direct connecting water supply apparatus - Google Patents

Air purification type negative pressure suppressing direct connecting water supply apparatus Download PDF

Info

Publication number
CN202012101U
CN202012101U CN2011200769400U CN201120076940U CN202012101U CN 202012101 U CN202012101 U CN 202012101U CN 2011200769400 U CN2011200769400 U CN 2011200769400U CN 201120076940 U CN201120076940 U CN 201120076940U CN 202012101 U CN202012101 U CN 202012101U
Authority
CN
China
Prior art keywords
negative pressure
air purification
cavity
electrical control
inhibition device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011200769400U
Other languages
Chinese (zh)
Inventor
李清俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiyuan Water Environment Engineering Co., Ltd.
Original Assignee
TAIYUAN RUOSHUI ENVIRONMENTAL PROTECTION EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TAIYUAN RUOSHUI ENVIRONMENTAL PROTECTION EQUIPMENT CO Ltd filed Critical TAIYUAN RUOSHUI ENVIRONMENTAL PROTECTION EQUIPMENT CO Ltd
Priority to CN2011200769400U priority Critical patent/CN202012101U/en
Application granted granted Critical
Publication of CN202012101U publication Critical patent/CN202012101U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/15Leakage reduction or detection in water storage or distribution

Landscapes

  • Control Of Fluid Pressure (AREA)

Abstract

The utility model relates to a water supply apparatus, specifically to an air purification type negative pressure suppressing direct connecting water supply apparatus, which solves the problems that a conventional negative pressure inhibiting water supply apparatus may cause secondary pollution of the water, and cannot guarantee the complete cutoff of a negative pressure suppressor and realize intelligence starting and stopping. The air purification type negative pressure suppressing direct connecting water supply apparatus comprises a steady flow water storage tank, a pumping unit, an electronic control cabinet and the negative pressure suppressor disposed on the tank body of the steady flow water storage tank. The air purification type negative pressure suppressing direct connecting water supply apparatus employs an air purification type negative pressure suppressor, with the design of an air purification layer preventing the secondary pollution of water and double leakproof protection of a magnetic valve and a floater improving safety of the water supply apparatus, thereby solving the problem of the negative pressure on municipal pipe network in a real sense, fully utilizing the pressure of water supply and realizing maximum energy conservation. With an electrically operated valve or the magnetic valve disposed on a connecting pipeline between a water inlet of the steady flow water storage tank and a water supply apparatus inlet, the air purification type negative pressure suppressing direct connecting water supply apparatus realizes intelligence starting and stopping with no one attending through the intelligent frequency conversion control of the electronic control cabinet, thereby being suitable for extensive application.

Description

Air purification formula negative pressure suppression direct-heating system wetting system
Technical field
The utility model relates to a kind of supply equipment, is specially a kind of air purification formula negative pressure suppression direct-heating system wetting system.
Background technology
In city central water supply highly developed today, traditional high-level tank water and low pool supply water since secondary pollution, area occupied and the space that has water quality greatly and the hidden danger of seepage, and wasted Running-water Company come the water pressure energy, increased operating cost on the one hand, also increased capital investment on the other hand, these principles and policies with the establishment conservation-minded society that current country is advocated deviate from mutually.Therefore, emerging large quantities of non-negative pressure water-supply installations on the market after 2000.These non-negative pressure water-supply installations mainly comprise current stabilization water tank 1, water pump assembly 2 and electrical control cubicles 3(or intelligent frequency-conversion switch board), current stabilization water tank 1 tank body top is equipped with negative pressure inhibition device 4, negative pressure inhibition device 4 comprises cavity, cavity is provided with air inlet 13 and steam vent, and (air inlet 13 can be opened on cavity top, also can open) at cavity bottom, cavity bottom is provided with the short tube 21 that communicates with steam vent, short tube 21 built-in single ball floats 20, current stabilization water tank 1 top is provided with water inlet 9, the bottom is provided with outlet pipe 10, water inlet 9 is connected with supply equipment import 5, outlet pipe 10 is connected with water pump assembly 2, current stabilization water tank 1 is provided with pressure sensor P, its output signal transfers to electrical control cubicles 3, water pump assembly 2 is provided with electro connecting pressure gauge or teletransmission pressure meter P with the connecting pipe of supply equipment outlet 6, its output signal transfers to electrical control cubicles 3, also has to install liquid level instrument L additional in current stabilization water tank 1 bottom, and its output signal transfers to electrical control cubicles 3.
During work, the supply equipment energising, the municipal tap water enters current stabilization water tank 1 by strainer through water inlet 9, and current stabilization water tank 1 is by negative pressure inhibition device 4 and ambient atmosphere UNICOM at this moment, and the air in jar passes through outside negative pressure inhibition device 4 drain tanks, when water in the jar is full, because buoyancy, water is ball float 20 jack-up in negative pressure inhibition device 4 short tubes 21, and withstands the steam vent of negative pressure inhibition device 4 with ball float 20, jar interior water can not flowed out outside the jar, and jar interior water and ambient atmosphere are completely cut off; When in the jar during drawdown, ball float 20 is floated downward, thereby makes current stabilization water tank 1 again by negative pressure inhibition device 4 and ambient atmosphere UNICOM, because a drawdown can attract extraneous air to enter in the jar in this moment jar, thereby has eliminated the possibility that current stabilization water tank 1 produces negative pressure.When jar interior hydraulic pressure reaches setting value by the time, pressure sensor P on the current stabilization water tank 1 transfers to electrical control cubicles 3 with the pressure signal of detected water inlet 9, water pump assembly 2 is started, at this moment, the operation of water pump assembly 2 exports 6 place's electro connecting pressure gauges by supply equipment or the detected pressure feedback signal of teletransmission pressure meter P cooperates electrical control cubicles 3 controls, under the situation that satisfies the requirement of user's water, water pump assembly 2 outlets keep constant voltage.When the pressure sensor P on the current stabilization water tank 1 detected municipal ductwork pressure and drops to the minimal protection value, electrical control cubicles 3 control of pump units 2 were closed.When the drawdown in the current stabilization water tank 1 to the permission minimum point the time, the liquid level instrument L that installs additional in current stabilization water tank 1 bottom detects this lowest water level, and detection signal is transferred to electrical control cubicles 3, water pump assembly 2 is closed down in electrical control cubicles 3 actions, changes to prevent that water pump assembly 2 from doing.In addition on the outlet pipeline of water pump assembly 2 and to meet a vacuum tank 12(be expansion drum); vacuum tank 12 tank interior are filled and are deposited small part water when water system pressure rises; when descending, water system pressure discharged small part water in the system in the past; play the effect of shutting down pressurize to a certain extent, can also play the effect of anti-water hammer.
Yet above-mentioned non-negative pressure water-supply installation ubiquity is following not enough: because there are the secondary pollution of water quality in negative pressure inhibition device and the direct UNICOM of ambient atmosphere; Negative pressure inhibition device only has single ball float to turn-off, and has the problem that sternly may not leak of turn-offing; When municipal ductwork pressure was lower than the minimal protection value, it is idle that water pump assembly is closed down the water that causes in the current stabilization water tank immediately, can not suppress negative pressure as not closing down and existing, and can't realize intelligent start and stop.
Summary of the invention
The utility model exists the secondary pollution of water quality and the single ball float of negative pressure inhibition device to turn-off not tight, as can't to realize intelligent start and stop problem at present negative pressure suppression supply equipment, and a kind of air purification formula negative pressure suppression direct-heating system wetting system is provided.
The utility model is achieved through the following technical solutions: a kind of air purification formula negative pressure suppression direct-heating system wetting system, comprise the current stabilization water tank, water pump assembly and electrical control cubicles (or intelligent frequency-conversion switch board), current stabilization water tank tank body top is equipped with negative pressure inhibition device, negative pressure inhibition device comprises cavity, cavity is provided with air inlet and steam vent, cavity bottom is provided with the short tube that communicates with steam vent, current stabilization water tank top is provided with water inlet, the bottom is provided with outlet pipe, water inlet is connected with the supply equipment import, the current stabilization water tank is provided with pressure sensor, its output signal transfers to electrical control cubicles, described negative pressure inhibition device is an air purification formula negative pressure inhibition device, inside cavity is provided with air purification layer (or air filtration layer), this air filtration design will be filtered entering air, guarantee that the air that enters the current stabilization water tank does not contain dust and toxic gas.
Between air purification layer in the cavity of air purification formula negative pressure inhibition device and the steam vent electromagnetic valve is set, simultaneously the liquid level instrument is set at cavity bottom, the control end of electromagnetic valve is connected with the signal output part of electrical control cubicles, and the signal output part of liquid level instrument is connected with the signal input part of electrical control cubicles.During work, when the liquid level instrument detected liquid level signal, the electrical control cubicles control electromagnetic valve was turn-offed (this moment, ball float also turn-offed), thereby realized the dual shutoff of negative pressure inhibition device, improved the functional reliability of negative pressure inhibition device.But open and close when said structure can only be realized electromagnetic valve and ball float, electromagnetic valve opens and closes frequent, can influence the application life of electromagnetic valve.For this reason, between the steam vent of described air purification formula negative pressure inhibition device and the short tube confined space is set, the liquid level instrument is placed in this confined space.When ball float along with the rising of water level during with vent closure, this moment, the liquid level instrument did not detect liquid level signal, electromagnetic valve still is in opening, when water level continues to rise to peak steam vent place, single ball float turn-offs not tight, water overflows to confined space from steam vent, detect the liquid level signal of confined space when the liquid level instrument, make electromagnetic valve be in closed condition, realize the dual shutoff of ball float and electromagnetic valve, make shutoff perfectly safe, thereby avoid the meaningless switching of electromagnetic valve, be ball float when reliably closing, electromagnetic valve can be failure to actuate.
Obviously, said structure only is applicable to the situation of the air inlet of air purification formula negative pressure inhibition device on cavity top.For adapting to the situation of air inlet at cavity bottom, air purification formula negative pressure inhibition device is arranged at cavity top with the air purification layer, air inlet on the cavity and steam vent all are arranged at cavity bottom, the air purification layer is divided into top confined space and lower space up and down with cavity, the air purification layer is provided with the short tube that passes the air purification layer, and the steam vent that passes on the cavity of the lower end of short tube of air purification layer and air purification formula negative pressure inhibition device is tightly connected.Further, for realizing the dual shutoff of negative pressure inhibition device, on the pipeline of the short tube that passes the air purification layer in the described air purification formula negative pressure inhibition device cavity electromagnetic valve is set, simultaneously the liquid level instrument is set at cavity bottom, the control end of electromagnetic valve is connected with the signal output part of electrical control cubicles, and the signal output part of liquid level instrument is connected with the signal input part of electrical control cubicles.
Further, on the connecting pipe between the water inlet of described current stabilization water tank and the supply equipment import motor operated valve or electromagnetic valve are installed, the control end of motor operated valve or electromagnetic valve is connected with the signal output part of electrical control cubicles, and the signal output part of pressure sensor is connected with the signal input part of electrical control cubicles.During work; electrical control cubicles is according to the signal controlling motor operated valve of the transmission of the pressure sensor on the current stabilization water tank or the switch of electromagnetic valve; the pressure that pressure sensor detects in the current stabilization water tank also is the pressure of city planting ductwork; when municipal ductwork pressure is lower than the minimal protection value; electrical control cubicles control motor operated valve or closed electromagnetic valve; this moment the water pump assembly operate as normal; continue to take away the water in the current stabilization water tank; and take out less than the water in the city planting ductwork; just can not produce negative pressure to city planting ductwork yet; thereby overcome the interior idle problem of water of current stabilization water tank that existing product exists; when the water level in the current stabilization water tank arrives minimum point; the liquid level instrument that is located at the bottom is transferred to electrical control cubicles with detected minimum point water level signal; this just makes water pump assembly out of service, and opens motor operated valve or the electromagnetic valve that is located at water inlet simultaneously, when intake pressure reaches setting value; water pump assembly can start again automatically, really realizes intelligent start and stop.
The signal transmission of this supply equipment and the interlock control of pump valve are existing mature technology, realize easily, do not have any technological difficulties.Described electrical control cubicles, pressure sensor, liquid level instrument, electro connecting pressure gauge, teletransmission pressure meter, motor operated valve, electromagnetic valve are existing product.Adopt the pressure of variable frequency control water pump operation, other functions all can adopt device PLC programming able to programme to realize.Under the situation that does not adopt the PLC programming Control, only need to increase secondary control digital displaying meter and get final product.
Compared with prior art; the utility model adopts air purification formula negative pressure inhibition device; the secondary pollution of water quality has been avoided in the design of air purification layer; the twice protection against leakage of electromagnetic valve and ball float makes supply equipment safer; really solved the problem that city planting ductwork is produced negative pressure; and can make full use of city planting ductwork and come water pressure, realize that maximization is energy-conservation.In addition, the utility model is realized intelligent start and stop and unattended function by the intelligent frequency-conversion control of electrical control cubicles to supply equipment, is suitable for applying.
Description of drawings
The structural representation of Fig. 1 air purification formula described in the utility model negative pressure suppression direct-heating system wetting system;
First kind of structural representation of air purification formula negative pressure inhibition device in Fig. 2 the utility model;
Second kind of structural representation of air purification formula negative pressure inhibition device in Fig. 3 the utility model.
1-current stabilization water tank among the figure, 2-water pump assembly, 3-electrical control cubicles, 4-negative pressure inhibition device, the import of 5-supply equipment, the outlet of 6-supply equipment, 7-motor operated valve or electromagnetic valve, 8-sewage draining exit, the 9-water inlet, 10-outlet pipe, 11-water pump assembly delivery port, 12-vacuum tank, the 13-air inlet, 14-liquid level instrument, 15-air purification layer, 16-top confined space, the 17-lower space, 18-passes the short tube of air purification layer, the 19-electromagnetic valve, the 20-ball float, 21-short tube, 22-confined space.
The specific embodiment
As shown in drawings, a kind of air purification formula negative pressure suppression direct-heating system wetting system, comprise current stabilization water tank 1, water pump assembly 2 and electrical control cubicles 3(or intelligent frequency-conversion switch board), current stabilization water tank 1 tank body top is equipped with negative pressure inhibition device 4, negative pressure inhibition device 4 comprises cavity, cavity is provided with air inlet 13 and steam vent, cavity bottom is provided with the short tube 21 that communicates with steam vent, current stabilization water tank 1 top is provided with water inlet 9, the bottom is provided with outlet pipe 10, water inlet 9 is connected with supply equipment import 5, current stabilization water tank 1 is provided with pressure sensor, its output signal transfers to electrical control cubicles 3, described negative pressure inhibition device 4 is air purification formula negative pressure inhibition device, inside cavity is provided with air purification layer 15(or air filtration layer), this air filtration design will be filtered entering air, guarantee that the air that enters current stabilization water tank 1 does not contain dust and toxic gas.Between air purification layer 15 in the described air purification formula negative pressure inhibition device cavity and the steam vent electromagnetic valve 19 is set, simultaneously liquid level instrument 14 is set at cavity bottom, the control end of electromagnetic valve 19 is connected with the signal output part of electrical control cubicles 3, and the signal output part of liquid level instrument 14 is connected with the signal input part of electrical control cubicles 3.One confined space 22 is set between the steam vent of described air purification formula negative pressure inhibition device and the short tube 21, liquid level instrument 14 is placed in this confined space 22.
For adapting to the following air inlet structure of negative pressure inhibition device 4, described air purification formula negative pressure inhibition device is arranged at cavity top with air purification layer 15, air inlet 13 on the cavity all is arranged at cavity bottom with steam vent, air purification layer 15 is divided into top confined space 16 and lower space 17 up and down with cavity, air purification layer 15 is provided with the short tube 18 that passes the air purification layer, and the steam vent that passes on the cavity of the lower end of short tube 18 of air purification layer and air purification formula negative pressure inhibition device is tightly connected.On the pipeline of the short tube that passes the air purification layer 18 in the described air purification formula negative pressure inhibition device cavity electromagnetic valve 19 is set, simultaneously liquid level instrument 14 is set at cavity bottom, the control end of electromagnetic valve 19 is connected with the signal output part of electrical control cubicles 3, and the signal output part of liquid level instrument 14 is connected with the signal input part of electrical control cubicles 3.
On the water inlet 9 of described current stabilization water tank 1 and the connecting pipe between the supply equipment import 5 motor operated valve or electromagnetic valve 7 are installed, the control end of motor operated valve or electromagnetic valve 7 is connected with the signal output part of electrical control cubicles 3, and the signal output part of pressure sensor is connected with the signal input part of electrical control cubicles 3.
During concrete enforcement, the bottom of the short tube 21 of described air purification formula negative pressure inhibition device is airtight, and short tube 21 upwards guarantees the distance back perforate of 10mm at least from the bottom, the purpose of doing like this is to make short tube 21 bottoms to have a certain amount of water all the time, when ball float 20 declines, give 20 1 reaction forces of ball float, clash into the damage that short tube 21 bottoms may be caused when ball float 20 descends rapidly thereby alleviate.
The outlet pipe 10 of described current stabilization water tank 1 stretches in the jar 10mm at least, effectively reduces particulate contamination and enters water pump assembly 2, thereby play the effect of protection water pump assembly 2.The impurity that enters current stabilization water tank 1 can be by outside sewage draining exit 8 drain tanks that are arranged at the bottom.

Claims (10)

1. air purification formula negative pressure suppression direct-heating system wetting system, comprise current stabilization water tank (1), water pump assembly (2) and electrical control cubicles (3), current stabilization water tank (1) tank body top is equipped with negative pressure inhibition device (4), negative pressure inhibition device (4) comprises cavity, cavity is provided with air inlet (13) and steam vent, cavity bottom is provided with the short tube (21) that communicates with steam vent, current stabilization water tank (1) top is provided with water inlet (9), the bottom is provided with outlet pipe (10), water inlet (9) is connected with supply equipment import (5), current stabilization water tank (1) is provided with pressure sensor, its output signal transfers to electrical control cubicles (3), it is characterized in that: described negative pressure inhibition device (4) is an air purification formula negative pressure inhibition device, and air purification layer (15) is set in the cavity of this air purification formula negative pressure inhibition device.
2. air purification formula negative pressure suppression direct-heating system wetting system according to claim 1, it is characterized in that: described air purification formula negative pressure inhibition device is arranged at cavity top with air purification layer (15), air inlet on the cavity (13) all is arranged at cavity bottom with steam vent, air purification layer (15) is divided into top confined space (16) and lower space (17) up and down with cavity, air purification layer (15) is provided with the short tube (18) that passes the air purification layer, and the steam vent that passes on the cavity of the lower end of short tube (18) of air purification layer and air purification formula negative pressure inhibition device is tightly connected.
3. air purification formula negative pressure suppression direct-heating system wetting system according to claim 1, it is characterized in that: between air purification layer (15) in the cavity of described air purification formula negative pressure inhibition device and the steam vent electromagnetic valve (19) is set, simultaneously liquid level instrument (14) is set at cavity bottom, the control end of electromagnetic valve (19) is connected with the signal output part of electrical control cubicles (3), and the signal output part of liquid level instrument (14) is connected with the signal input part of electrical control cubicles (3).
4. air purification formula negative pressure suppression direct-heating system wetting system according to claim 2, it is characterized in that: on the pipeline of the short tube that passes the air purification layer (18) in the described air purification formula negative pressure inhibition device cavity electromagnetic valve (19) is set, simultaneously liquid level instrument (14) is set at cavity bottom, the control end of electromagnetic valve (19) is connected with the signal output part of electrical control cubicles (3), and the signal output part of liquid level instrument (14) is connected with the signal input part of electrical control cubicles (3).
5. air purification formula negative pressure suppression direct-heating system wetting system according to claim 4, it is characterized in that: between the steam vent of described air purification formula negative pressure inhibition device and the short tube (21) confined space (22) is set, liquid level instrument (14) is placed in this confined space (22).
6. according to each described air purification formula negative pressure suppression direct-heating system wetting system of claim 1-5, it is characterized in that: the short tube (21) of described air purification formula negative pressure inhibition device, its bottom is airtight, and short tube (21) upwards guarantees the distance back perforate of 10mm at least from the bottom.
7. according to each described air purification formula negative pressure suppression direct-heating system wetting system of claim 1-5, it is characterized in that: on the water inlet (9) of described current stabilization water tank (1) and the connecting pipe between the supply equipment import (5) motor operated valve or electromagnetic valve (7) are installed, the control end of motor operated valve or electromagnetic valve (7) is connected with the signal output part of electrical control cubicles (3), and the signal output part of pressure sensor is connected with the signal input part of electrical control cubicles (3).
8. air purification formula negative pressure suppression direct-heating system wetting system according to claim 6, it is characterized in that: on the water inlet (9) of described current stabilization water tank (1) and the connecting pipe between the supply equipment import (5) motor operated valve or electromagnetic valve (7) are installed, the control end of motor operated valve or electromagnetic valve (7) is connected with the signal output part of electrical control cubicles (3), and the signal output part of pressure sensor is connected with the signal input part of electrical control cubicles (3).
9. according to each described air purification formula negative pressure suppression direct-heating system wetting system of claim 1-5, it is characterized in that: the outlet pipe (10) of described current stabilization water tank (1) stretches in the jar 10mm at least.
10. air purification formula negative pressure suppression direct-heating system wetting system according to claim 8 is characterized in that: the outlet pipe (10) of described current stabilization water tank (1) stretches in the jar 10mm at least.
CN2011200769400U 2011-03-22 2011-03-22 Air purification type negative pressure suppressing direct connecting water supply apparatus Expired - Fee Related CN202012101U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200769400U CN202012101U (en) 2011-03-22 2011-03-22 Air purification type negative pressure suppressing direct connecting water supply apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200769400U CN202012101U (en) 2011-03-22 2011-03-22 Air purification type negative pressure suppressing direct connecting water supply apparatus

Publications (1)

Publication Number Publication Date
CN202012101U true CN202012101U (en) 2011-10-19

Family

ID=44782714

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200769400U Expired - Fee Related CN202012101U (en) 2011-03-22 2011-03-22 Air purification type negative pressure suppressing direct connecting water supply apparatus

Country Status (1)

Country Link
CN (1) CN202012101U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102704547A (en) * 2012-04-24 2012-10-03 太原若水环保设备制造有限公司 Water tank with negative pressure suppressing effect
CN103422543A (en) * 2013-07-18 2013-12-04 徐明冬 Negative pressure suppression system
CN104831781A (en) * 2015-04-28 2015-08-12 无锡康宇水处理设备有限公司 Steady flow compensation device for pipe-network pressure-superposition water supply

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102704547A (en) * 2012-04-24 2012-10-03 太原若水环保设备制造有限公司 Water tank with negative pressure suppressing effect
CN103422543A (en) * 2013-07-18 2013-12-04 徐明冬 Negative pressure suppression system
CN103422543B (en) * 2013-07-18 2015-09-02 徐明冬 A kind of negative pressure suppression system
CN104831781A (en) * 2015-04-28 2015-08-12 无锡康宇水处理设备有限公司 Steady flow compensation device for pipe-network pressure-superposition water supply

Similar Documents

Publication Publication Date Title
CN201484944U (en) Automatic oil outlet and drain system
CN101182048A (en) Integral cyclic purification water purifier
CN202012101U (en) Air purification type negative pressure suppressing direct connecting water supply apparatus
CN201962737U (en) Intelligent negative pressure suppressing directly-connected water supply equipment
CN201423191Y (en) Cylinder-divided membrane oil-trap dewatering device
CN202024096U (en) Leakage prevention device for coal gas
CN102168448B (en) Anti-reflux device connected between bathroom facility and drinking water system
CN212835837U (en) Drainage system and regulation and storage system of rainwater regulation and storage tank
CN202024089U (en) Anti-leakage coal gas drainer
CN200979555Y (en) A back flow prevention device and a gas-water isolation system with such device
CN204826065U (en) Secondary water supply system
CN101255949B (en) Excess voltage protector for high sensitivity drainer
CN209322496U (en) Water purification system
CN202658670U (en) Toilet-flushing device utilizing building wastewater
CN202672237U (en) Intelligent full-sealed pollution-free box type negative pressure restraining water supply equipment
CN102372336B (en) Discharging tank preventing oil accumulation and liquid discharging method
CN217440240U (en) Electric water injection device
CN205101848U (en) Natural gas trap of continuous drainage
CN203269966U (en) Water discharge equipment of gas cooler
CN201556101U (en) Controller for controlling starting-up and closing-down of equipment through water level
CN104746561A (en) Integrated pipe net overlying water supply equipment
CN213174045U (en) Still press full-automatic drainage device and still press cauldron drainage system for cauldron
CN201162949Y (en) Over-pressure protector of high sensitivity drainer
CN104612219A (en) Automatic reuse system of intermediate water
CN217763022U (en) Water-sealed automatic pollution discharge device for gas cabinet

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: TAIYUAN RUOSHUI ENVIRONMENT ENGINEERING CO., LTD.

Free format text: FORMER NAME: TAIYUAN RUOSHUI ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 1401, room 030009, West Tower, Mao Tung Street, 6 Shengli East Street, Shanxi, Taiyuan

Patentee after: Taiyuan Water Environment Engineering Co., Ltd.

Address before: 1401, room 030009, West Tower, Mao Tung Street, 6 Shengli East Street, Shanxi, Taiyuan

Patentee before: Taiyuan Ruoshui Environmental Protection Equipment Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111019

Termination date: 20190322

CF01 Termination of patent right due to non-payment of annual fee