CN2716368Y - Vacuum generating station for negative pressure drainage system - Google Patents
Vacuum generating station for negative pressure drainage system Download PDFInfo
- Publication number
- CN2716368Y CN2716368Y CN 200420087667 CN200420087667U CN2716368Y CN 2716368 Y CN2716368 Y CN 2716368Y CN 200420087667 CN200420087667 CN 200420087667 CN 200420087667 U CN200420087667 U CN 200420087667U CN 2716368 Y CN2716368 Y CN 2716368Y
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- Prior art keywords
- vacuum tank
- negative pressure
- sewage
- main
- pump
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Abstract
The utility model discloses a negative pressure station used for a negative pressure drainage system. A vacuum pump and a vacuum tank are connected on a negative pressure pipeline. The vacuum tank comprises a main vacuum tank and a minor vacuum tank. The top part of the main vacuum tank is connected with the negative pressure pipeline. An inlet port of the vacuum pump is communicated with the top part of the main vacuum tank by a pipeline. A main vacuum tank sewage valve and a main vacuum tank sewage pump are orderly connected at the bottom of the main vacuum tank. The outlet of the main vacuum tank sewage pump is communicated with the top of the minor vacuum tank by a pipeline. A normal magnetic valve is connected between the top part of the minor vacuum tank and the top part of the main vacuum tank. The top part of the minor vacuum tank is connected with a normally closed magnet valve for unloading. The bottom of the minor vacuum tank is orderly connected with a minor vacuum tank sewage valve and a minor vacuum tank sewage pump. The outlet of the minor vacuum tank sewage pump is connected with a sewage treatment system. The negative pressure station automatically and continuously provides negative pressure for a negative pressure drainage system, collects sewerage transported from the negative pressure drainage system, and automatically drains sewerage into the sewage treatment system. The utility model has the advantages of small volume, low cost and simple structure.
Description
(1) technical field
The utility model relates to a kind of drainage by suction device, especially for the negative pressure station of drainage by suction system.
(2) background technology
The negative pressure station is one of critical component of drainage by suction system, and two functions are arranged, and a function is for whole system provides negative pressure, and another function is to collect and temporarily store negative pressure line to carry the sewage of coming.Usually, the drainage by suction system uses at used negative pressure station single-stage vacuum tank collection sewage, and sewage sends signal to a certain amount of back by sensor and makes dredge pump work in the collecting tank, gets rid of a jar interior sewage.In order to guarantee that the negative pressure line system keeps negative pressure state, must remain in the negative-pressure cup-0.03MPa～-negative pressure of 0.06MPa.Therefore, must overcome a jar interior negative pressure during dredge pump blowdown, otherwise sewage can not be got rid of.This suction journey that just needs dredge pump is greater than six meters, and common dredge pump is difficult to reach this and inhales journey.And the price of the powerful dredge pump of high suction depth be four times of common dredge pump ~ more than five times, cost an arm and a leg, safeguard also more complicated.Existing negative pressure collecting tank complex structure, cost an arm and a leg, the negative pressure station take up space excessive, can not realize automatic pollution discharge, still need manual blowdown.
(3) utility model content
Task of the present utility model provides a kind of negative pressure station that is used for the drainage by suction system, solve automatic continuously, and solve that negative pressure station volume is big, cost is high, baroque problem for the drainage by suction pipe-line system provides negative pressure, and automatically sewage drained into the problem of sewage disposal system.
The technical solution of the utility model: be used for the negative pressure station of drainage by suction system, connect vacuum pump and vacuum tank on negative pressure line, it is characterized in that: vacuum tank comprises main vacuum tank and secondary vacuum tank,
Main vacuum tank top links to each other with negative pressure line, and the vacuum pump air entry is communicated with the top of main vacuum tank by pipeline, and main vacuum tank bottom connects main vacuum tank sewage valve and main vacuum tank foul water pump in turn; Above-mentioned main vacuum tank sewage delivery side of pump is communicated with the top of secondary vacuum tank by pipeline;
Be connected normally open solenoid valve between secondary vacuum tank top and the main vacuum tank top, secondary vacuum tank top is connected with the normally closed solenoid valve that an emptying is used;
Secondary vacuum tank bottom is auxiliary connection vacuum tank sewage valve and secondary vacuum tank foul water pump in turn, and above-mentioned secondary vacuum tank sewage delivery side of pump links to each other with sewage disposal system.
Above-mentioned main vacuum tank is bigger than secondary vacuum tank volume.
The utility model can be automatic continuous for the drainage by suction pipe-line system provides negative pressure, and collect the sewage that the negative pressure line system carries continually, when sewage when a certain amount of, use common dredge pump automatically sewage to be drained into sewage disposal system.This negative pressure station volume is little, cost is low, simple in structure.Compared with prior art, have following beneficial effect:
1. substitute expensive powerful dredge pump with the little vacuum tank and the common foul water pump that increase, reduced cost greatly.
2. substituted expensive powerful dredge pump with the little vacuum tank and the common foul water pump that increase, structure and technology simple possible, whole device volume is less.
3. realized complete automatic pollution discharge.
(4) description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Among the figure: 1-master's vacuum tank, 2-normally open solenoid valve, the secondary vacuum tank of 3-, 4-normally closed solenoid valve, 5-vacuum pump, 6-master's vacuum tank sewage valve, 7-master's vacuum tank foul water pump, the secondary vacuum tank sewage valve of 8-, the secondary vacuum tank foul water pump of 9-.
(5) specific embodiment
Embodiment is referring to Fig. 1, and the design feature that is used for the negative pressure station of drainage by suction system is to comprise main vacuum tank, normally open solenoid valve, secondary vacuum tank, normally closed solenoid valve, vacuum pump, main vacuum tank foul water pump, main vacuum tank sewage valve, secondary vacuum tank foul water pump, secondary vacuum tank sewage valve etc.Main vacuum tank links to each other with the negative pressure line system; The vacuum pump air entry is connected in the top of main vacuum tank by pipeline; Secondary vacuum tank is communicated with main vacuum tank at the top by normally open solenoid valve; Main vacuum tank foul water pump links to each other with main vacuum tank bottom with the import of main vacuum tank sewage valve, and outlet is connected in the top of secondary vacuum tank by pipeline; Secondary vacuum tank foul water pump links to each other with secondary vacuum tank bottom with the import of secondary vacuum tank sewage valve, and outlet links to each other with sewage disposal system.Secondary vacuum tank top is connected with the normally closed solenoid valve that an emptying is used.
The operating principle at negative pressure station that is used for the drainage by suction system is as described below:
It is line load control that whole system adopts PLC.In the main vacuum tank 1 baroceptor and liquid level sensor are housed, in the secondary vacuum tank 3 liquid level sensor are housed.The duty of baroceptor by PLC control vacuum pump 5 make a jar interior negative pressure remain on-0.4～-the 0.6ba scope in.Sewage from negative pressure line is inhaled in the main vacuum tank 1 continuously.During the higher limit of the liquid level sensor in sewage level reaches main vacuum tank 1, main vacuum tank foul water pump 7 and main vacuum tank sewage valve 6 are opened simultaneously.At this moment, main vacuum tank 1 equates that by the air pressure that normally open solenoid valve 2 is communicated with sewage is drawn in the secondary vacuum tank 3 at the top with secondary vacuum tank 3.During the lower limit of the liquid level sensor in sewage level reaches main vacuum tank 1, main vacuum tank foul water pump 7 and main vacuum tank sewage valve 6 are closed, close normally open solenoid valve 2 simultaneously, opening the normally closed solenoid valve 4 that emptying uses makes secondary vacuum tank communicate with atmosphere, and open auxiliary vacuum tank foul water pump 9 and secondary vacuum tank sewage valve 8, sewage is drawn into sewage disposal system, during the lower limit of the liquid level sensor in sewage level reaches secondary vacuum tank 3, close secondary vacuum tank foul water pump 9 and secondary vacuum tank sewage valve 8, close the normally closed solenoid valve 4 that emptying is used simultaneously, open normally open solenoid valve 2 main vacuum tank 1 and secondary vacuum tank 3 are communicated with at the top, system enters next working cycles.
Claims (2)
1, a kind of negative pressure station that is used for the drainage by suction system connects vacuum pump and vacuum tank on negative pressure line, it is characterized in that: vacuum tank comprises main vacuum tank and secondary vacuum tank,
Main vacuum tank top links to each other with negative pressure line, and the vacuum pump air entry is communicated with the top of main vacuum tank by pipeline, and main vacuum tank bottom connects main vacuum tank sewage valve and main vacuum tank foul water pump in turn; Above-mentioned main vacuum tank sewage delivery side of pump is communicated with the top of secondary vacuum tank by pipeline;
Be connected normally open solenoid valve between secondary vacuum tank top and the main vacuum tank top, secondary vacuum tank top is connected with the normally closed solenoid valve that an emptying is used;
Secondary vacuum tank bottom is auxiliary connection vacuum tank sewage valve and secondary vacuum tank foul water pump in turn, and above-mentioned secondary vacuum tank sewage delivery side of pump links to each other with sewage disposal system.
2, the negative pressure station that is used for the drainage by suction system according to claim 1, it is characterized in that: above-mentioned main vacuum tank is bigger than secondary vacuum tank volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420087667 CN2716368Y (en) | 2004-08-13 | 2004-08-13 | Vacuum generating station for negative pressure drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420087667 CN2716368Y (en) | 2004-08-13 | 2004-08-13 | Vacuum generating station for negative pressure drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2716368Y true CN2716368Y (en) | 2005-08-10 |
Family
ID=34874981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420087667 Expired - Lifetime CN2716368Y (en) | 2004-08-13 | 2004-08-13 | Vacuum generating station for negative pressure drainage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2716368Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962970A (en) * | 2010-10-09 | 2011-02-02 | 清华大学 | Water collecting interface unit device of vacuum drainage system |
| CN102242550A (en) * | 2011-04-06 | 2011-11-16 | 清华大学深圳研究生院 | Vacuum sewage interception system and method which are suitable for erecting pipes coastwise |
| CN103604043A (en) * | 2013-11-25 | 2014-02-26 | 苏州富顺包装制品有限公司 | Water discharging device for vacuum tank |
| CN106638927A (en) * | 2016-12-09 | 2017-05-10 | 江苏大学 | High-suction-stroke automatic vacuum sewage pump system |
| CN110409589A (en) * | 2019-07-31 | 2019-11-05 | 艾迪机器(杭州)有限公司 | A kind of anti-stifled jetting stream vacuum drainage system of no pumping plant |
| CN110435619A (en) * | 2019-08-22 | 2019-11-12 | 山东理工大学 | A kind of redundancy digital electric vacuum assistance system of the brake of electric vehicle based on double vacuum tanks |
| CN110435620A (en) * | 2019-08-22 | 2019-11-12 | 山东理工大学 | A kind of more vacuum tank digital electric vacuum assistance systems of brake of electric vehicle suitable for more altitude environments |
-
2004
- 2004-08-13 CN CN 200420087667 patent/CN2716368Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962970A (en) * | 2010-10-09 | 2011-02-02 | 清华大学 | Water collecting interface unit device of vacuum drainage system |
| CN101962970B (en) * | 2010-10-09 | 2012-05-23 | 清华大学 | Water collecting interface unit device of vacuum drainage system |
| CN102242550A (en) * | 2011-04-06 | 2011-11-16 | 清华大学深圳研究生院 | Vacuum sewage interception system and method which are suitable for erecting pipes coastwise |
| CN102242550B (en) * | 2011-04-06 | 2014-04-09 | 清华大学深圳研究生院 | Vacuum sewage interception system and method which are suitable for erecting pipes coastwise |
| CN103604043A (en) * | 2013-11-25 | 2014-02-26 | 苏州富顺包装制品有限公司 | Water discharging device for vacuum tank |
| CN106638927A (en) * | 2016-12-09 | 2017-05-10 | 江苏大学 | High-suction-stroke automatic vacuum sewage pump system |
| CN110409589A (en) * | 2019-07-31 | 2019-11-05 | 艾迪机器(杭州)有限公司 | A kind of anti-stifled jetting stream vacuum drainage system of no pumping plant |
| CN110409589B (en) * | 2019-07-31 | 2024-03-26 | 艾迪机器(杭州)有限公司 | Non-pump station anti-blocking jet flow vacuum drainage system |
| CN110435619A (en) * | 2019-08-22 | 2019-11-12 | 山东理工大学 | A kind of redundancy digital electric vacuum assistance system of the brake of electric vehicle based on double vacuum tanks |
| CN110435620A (en) * | 2019-08-22 | 2019-11-12 | 山东理工大学 | A kind of more vacuum tank digital electric vacuum assistance systems of brake of electric vehicle suitable for more altitude environments |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140813 Granted publication date: 20050810 |