CN203613638U - Vacuum drainage-type sewage suction collection system - Google Patents
Vacuum drainage-type sewage suction collection system Download PDFInfo
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- CN203613638U CN203613638U CN201320737580.3U CN201320737580U CN203613638U CN 203613638 U CN203613638 U CN 203613638U CN 201320737580 U CN201320737580 U CN 201320737580U CN 203613638 U CN203613638 U CN 203613638U
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- 239000010865 sewage Substances 0.000 title claims abstract description 64
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- 239000007788 liquid Substances 0.000 claims description 40
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Abstract
The utility model relates to a vacuum drainage-type sewage suction collection system and belongs to the technical field of sewage treatment. The vacuum drainage-type sewage suction collection system comprises a centrifugal pump, a sewage collection tank and a centrifugal pump water outlet valve. The sewage collection tank is communicated with a water outlet of the centrifugal pump through the centrifugal pump water outlet valve. The vacuum drainage-type sewage suction collection system further comprises a vacuum pump, a buffer tank, and a vacuum pump exhaust valve. An exhaust port of the buffer tank is communicated with an air inlet of the vacuum pump through the vacuum pump exhaust valve. A water inlet of the buffer tank is provided with a suction pipe communicated with a sewage pool and a water outlet of the buffer tank is communicated with a water inlet of the centrifugal pump. The vacuum drainage-type sewage suction collection system employs the ordinary pressure for suction, so that the problem that inner lined rubber of tank bodies falls off because of vacuum suction is solved, the deficiency that the centrifugal pump cannot perform self-suction without water is made up and it can be guaranteed that a vehicle can start the suction work directly without pump priming under the condition that the sewage is drained completely each time.
Description
Technical field
The utility model relates to a kind of sewage collected at suction system, belongs to the processing technology field of sewage.
Background technology
In recent years, along with the requirement of environmental protection is more and more higher, the processing requirements of poisonous or corrosive sewage that many manufacturers relevant to chemical industry are discharged is more and more higher.This type of sewage need to aspirate, transports and be disposed to appointed place and process.
The particularity of this type of sewage has determined to aspirate haulage vehicle need to carry out enough anticorrosive work to all pipeline and tank body etc.Current measure is generally that tank body is carried out to line with rubber, and pipeline uses vacuum pump or centrifugal pump suction after using plastic piping or using the anti-corrosion measures such as all steel material tank body pipeline.
According to the applicant understood, vacuum type suction is very easy to cause tank body inner glue layer to come off, and stainless steel can not meet the requirement for anticorrosion of all sewage.And the suction hauling operation of multiple sewage has determined that the sewage in centrifugal pump need to discharge totally after every subjob, so self priming centrifugal pump can not meet instructions for use.
Utility model content
The technical problems to be solved in the utility model is for prior art deficiency, proposes a kind of vacuum drainage type sewage collected at suction system that uses the suction of normal pressure pump and do not need each pump priming.
The utility model is that the technical scheme that solves the problems of the technologies described above proposition is: a kind of vacuum drainage type sewage collected at suction system, comprise centrifugal pump, sewage collecting tank and centrifugal pump outlet valve, described sewage collecting tank is communicated with the delivery port of centrifugal pump by centrifugal pump outlet valve, this vacuum drainage type sewage collected at suction system also comprises vacuum pump, surge tank and vacuum pump extraction valve, the extract opening of described surge tank is communicated with the air inlet port of vacuum pump by vacuum pump extraction valve, the water inlet of described surge tank is provided with the suction tube for being communicated with sewage reservoir, the delivery port of described surge tank is communicated with the water inlet of centrifugal pump.
The utility model adopts the beneficial effect of technique scheme to be: owing to being provided with centrifugal pump, sewage collecting tank, centrifugal pump outlet valve, vacuum pump, surge tank and vacuum pump extraction valve, when startup system, first open vacuum pump extraction valve, close centrifugal pump outlet valve, start vacuum pump surge tank is vacuumized, utilize vacuum that the interior sewage of sewage reservoir (groove) is caused to surge tank.After in surge tank, sewage reach a certain height, sewage enters in centrifugal pump, now closes vacuum pump extraction valve, opens centrifugal pump outlet valve, stops vacuum pump work, starts centrifugal pump work, and sewage is pumped in sewage collecting tank.This system is used normal pressure suction, therefore stopped the problem that tank body inner liner rubber that vacuum draw causes comes off, make up the deficiency that centrifugal pump can not carry out self-priming under anhydrous state simultaneously, can guarantee that vehicle can not carry out pump priming and can directly start suction operation each that effluent discharge is clean in the situation that.
The improvement of technique scheme is: between the air inlet port of described vacuum pump and vacuum pump extraction valve, be provided with the first flap valve, between described sewage collecting tank and centrifugal pump outlet valve, be provided with the second flap valve.
The utility model adopts the beneficial effect of technique scheme to be: owing to being provided with the first flap valve between the air inlet port of vacuum pump and vacuum pump extraction valve, between sewage collecting tank and centrifugal pump outlet valve, be provided with the second flap valve, centrifugal pump outlet valve and vacuum pump extraction valve can be used as service valve, keep normally open.After the suction tube that the water inlet of surge tank is provided with is connected with sewage reservoir (groove), starts vacuum pump and can start drainage, after water level reach a certain height in surge tank, stop vacuum pump, start centrifugal pump and can start normal suction, simplified operating process, reduced maloperation.
The improvement of technique scheme is: in described surge tank, be provided with low liquid level sensor and high liquid level sensor, be provided with super full liquid level sensor in described sewage collecting tank.
The improvement of technique scheme is: this vacuum drainage type sewage collected at suction system also comprises controller and audible-visual annunciator, the signal output part of described low liquid level sensor, high liquid level sensor and super full liquid level sensor is connected respectively the signal input part of controller, and the control end of described controller connects respectively the controlled end of centrifugal pump, vacuum pump and audible-visual annunciator.
The improvement of technique scheme is: the water inlet of described surge tank is provided with surge tank water intaking valve.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structural representation of the vacuum drainage type sewage collected at suction system of the utility model embodiment.
The specific embodiment
Embodiment
The vacuum drainage type sewage collected at suction system of the present embodiment, as shown in Figure 1, comprises centrifugal pump 1, sewage collecting tank 2 and centrifugal pump outlet valve 1-1, and sewage collecting tank 2 is communicated with the delivery port of centrifugal pump 1 by centrifugal pump outlet valve 1-1.
This vacuum drainage type sewage collected at suction system also comprises vacuum pump 3, surge tank 4 and vacuum pump extraction valve 3-1.The extract opening of surge tank 4 is communicated with the air inlet port of vacuum pump 3 by vacuum pump extraction valve 3-1, and the water inlet of surge tank 4 is provided with the suction tube 4-1 for being communicated with sewage reservoir, and the delivery port of surge tank 4 is communicated with the water inlet of centrifugal pump 1.
Between the air inlet port of the vacuum pump 3 of the present embodiment and vacuum pump extraction valve 3-1, be provided with the first flap valve 3-2, between sewage collecting tank 2 and centrifugal pump outlet valve 1-1, be provided with the second flap valve 1-2.
In the surge tank 4 of the present embodiment, be provided with low liquid level sensor 4-2 and high liquid level sensor 4-3, in sewage collecting tank 2, be provided with super full liquid level sensor 2-1.
This vacuum drainage type sewage collected at suction system of the present embodiment also comprises controller and audible-visual annunciator.Low liquid level sensor 4-2, high liquid level sensor 4-3 and the signal output part of super full liquid level sensor 2-1 are connected respectively the signal input part of controller, and the control end of controller connects respectively the controlled end of centrifugal pump 1, vacuum pump 3 and audible-visual annunciator.
When system is started working, first controller (not shown) judges surge tank 4 and the interior liquid level of sewage collecting tank 2 according to low liquid level sensor 4-2, high liquid level sensor 4-3 and super full liquid level sensor 2-1, now has following three kinds of situations:
1. in the time that the interior liquid level of sewage collecting tank 2 exceedes super full liquid level sensor 2-1, controller sends audible-visual annunciator and sends sound and light alarm, does not start system works.
2. when the interior liquid level of sewage collecting tank 2 is lower than super full liquid level sensor 2-1, and the interior liquid level of surge tank 4 is while being not less than high liquid level sensor 4-3, directly starts centrifugal pump 1, and system starts normal suction.
3. when the interior liquid level of sewage collecting tank 2 is lower than super full liquid level sensor 2-1, and the interior liquid level of surge tank 4 is during lower than high liquid level sensor 4-3, start working in the following order: start vacuum pump 3 and start drainage, in the time that the interior liquid level of surge tank 4 reaches high liquid level sensor 4-3, stop vacuum pump 3, start centrifugal pump 1, system starts normal suction.
In aspiration procedure, cause air to enter in surge tank 4 owing to having gas leakage or aspiration to have to beat in sewage reservoir (groove) in the gas evolution of liquid itself or pipeline, can cause the interior liquid level of surge tank 4 to decline, in the time that liquid level drops to lower than low liquid level sensor 4-2, stop centrifugal pump 1, start vacuum pump 3 drainage again, thereby guarantee that the situation of anhydrous idle running can not occur centrifugal pump 1, extend system application life.
In the time that the interior liquid level of sewage collecting tank 2 reaches super full liquid level sensor 2-1, controller sends audible-visual annunciator and sends sound and light alarm, and halt system work.
The water inlet of the surge tank 4 of the present embodiment is provided with surge tank water intaking valve 4-4.
The utility model is not limited to above-described embodiment.All employings are equal to replaces the technical scheme forming, and all drops on the protection domain of the utility model requirement.
Claims (5)
1. a vacuum drainage type sewage collected at suction system, comprise centrifugal pump, sewage collecting tank and centrifugal pump outlet valve, described sewage collecting tank is communicated with the delivery port of centrifugal pump by centrifugal pump outlet valve, it is characterized in that, this vacuum drainage type sewage collected at suction system also comprises vacuum pump, surge tank and vacuum pump extraction valve, the extract opening of described surge tank is communicated with the air inlet port of vacuum pump by vacuum pump extraction valve, the water inlet of described surge tank is provided with the suction tube for being communicated with sewage reservoir, and the delivery port of described surge tank is communicated with the water inlet of centrifugal pump.
2. vacuum drainage type sewage collected at suction system as claimed in claim 1, is characterized in that: between the air inlet port of described vacuum pump and vacuum pump extraction valve, be provided with the first flap valve, between described sewage collecting tank and centrifugal pump outlet valve, be provided with the second flap valve.
3. vacuum drainage type sewage collected at suction system as claimed in claim 1 or 2, is characterized in that: in described surge tank, be provided with low liquid level sensor and high liquid level sensor, be provided with super full liquid level sensor in described sewage collecting tank.
4. vacuum drainage type sewage collected at suction system as claimed in claim 3, it is characterized in that: this vacuum drainage type sewage collected at suction system also comprises controller and audible-visual annunciator, the signal output part of described low liquid level sensor, high liquid level sensor and super full liquid level sensor is connected respectively the signal input part of controller, and the control end of described controller connects respectively the controlled end of centrifugal pump, vacuum pump and audible-visual annunciator.
5. vacuum drainage type sewage collected at suction system as claimed in claim 3, is characterized in that: the water inlet of described surge tank is provided with surge tank water intaking valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320737580.3U CN203613638U (en) | 2013-11-21 | 2013-11-21 | Vacuum drainage-type sewage suction collection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320737580.3U CN203613638U (en) | 2013-11-21 | 2013-11-21 | Vacuum drainage-type sewage suction collection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203613638U true CN203613638U (en) | 2014-05-28 |
Family
ID=50766294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320737580.3U Active CN203613638U (en) | 2013-11-21 | 2013-11-21 | Vacuum drainage-type sewage suction collection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203613638U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235025A (en) * | 2014-08-26 | 2014-12-24 | 国家电网公司 | Vacuum drainage device |
-
2013
- 2013-11-21 CN CN201320737580.3U patent/CN203613638U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235025A (en) * | 2014-08-26 | 2014-12-24 | 国家电网公司 | Vacuum drainage device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |