CN208668586U - A kind of sewage lifting system - Google Patents

Abstract

The utility model discloses a kind of sewage lifting systems, including header tank, and overflow filter, dross extractor and sewage pump inside the header tank；The overflow filter includes inner tube and the outer tube that is sleeved on the outside of said inner tube, the first chamber is formed in said inner tube, the second chamber is formed between the outer tube and said inner tube, there is the fillter section for being connected to first chamber and the second chamber on the tube wall of said inner tube, the first end of said inner tube has filter water inlet, the second end of said inner tube has filter water outlet, and the bottom of the outer tube is provided with the overflow port led to inside the header tank.The utility model is intercepted in inner tube by the way that fillter section and overflow port, thicker sundries are arranged on overflow filter, into dross extractor after washed away by back-flushing, avoid sewage pump from being blocked, extend the service life of sewage pump.

Description

A kind of sewage lifting system

Technical field

The utility model relates to sewage treatment fields, and in particular to a kind of sewage lifting system.

Background technique

Sewage lifter be dredge pump and header tank, control device and relevant pipe fitting valve are constituted it is a set of System, for being promoted and being conveyed lower than sewer or far from the effluent sewage of city planting ductwork.It with effective solution or can avoid Traditional catch pit there are the problem of.Villa quarter basement is mostly equipped with villa type sewage water lifter, at present most of common House also designs basement to increase usable floor area housing corporation in design mostly, so, is called " villa dirt with it Water lifter " is not so good as to be called " household sewage lifter " or " domestic sewage lifter ".In initial domestic basement drain It is all the catch pit brick in one cement of design of basement, toilet sewage, bathroom sewage and vanity top sewage pass through pipeline Same layer is discharged into catch pit.Two immersible pumps are installed in puddle, here it is our usually said " two pump of a hole " undergrounds Sewage discharge mode.Double pump works alternatively the reliability for guaranteeing blowdown.But the disadvantage of this working method maximum seeks to determine Shi Qing is drawn and peculiar smell.Introduced domestic, this " two pump of a hole " formula basement drain mode from foreign countries with sewage water lifter later Gradually replaced sewage water lifter.But sewage pump currently on the market is easy to be blocked by the sundries in sewage, contracting The short service life of sewage pump.

Utility model content

The main purpose of the utility model is to provide a kind of sewage lifting system, it is intended to solve existing sewage lifting system The problem of middle sewage pump is easy to happen blocking.

To achieve the above object, the utility model proposes sewage lifting system, including header tank, and catchmenting positioned at described Overflow filter, dross extractor and sewage pump inside case；The overflow filter includes inner tube and is sleeved on said inner tube The outer tube in outside forms the first chamber in said inner tube, forms the second chamber, the pipe of said inner tube between the outer tube and said inner tube There is the fillter section for being connected to first chamber and the second chamber, the first end of said inner tube has filter water inlet, described on wall The second end of inner tube has filter water outlet, and the bottom of the outer tube is provided with the overflow port led to inside the header tank, The filter water inlet connects the water inlet manifold outside the header tank；The dross extractor includes cylinder, is set on the cylinder It is equipped with wastewater inlet, outlet of sewer and backwash mouth, the wastewater inlet and is connected to the filter water outlet, the sewage goes out Mouth connects the total outlet pipe outside the header tank；It is described inside the inlet communication of the sewage pump to the header tank The outlet of sewage pump is connected to the backwash mouth.

Preferably, the outer tube is fixed with overflow pipe at the overflow port, and the overflow pipe is elbow water pipe.

Preferably, the fillter section is equipped with filter hole.

Preferably, the wastewater inlet of the dross extractor is located at the underface of the filter water outlet.

Preferably, connected between the outlet and the backwash mouth of the dross extractor of the sewage pump by recoil water pipe It is logical.

Preferably, pump outlet check valve is equipped between recoil water pipe and the sewage pump.

Preferably, the pipeline between the filter water outlet and the dross extractor wastewater inlet is equipped with threeway non-return Valve, the three-port check damper include the first port, the second port and third connectivity mouth to communicate with each other, and first port is connected to The filter water outlet, second port are connected to the wastewater inlet of the dross extractor, and the third connectivity mouth is connected to institute State recoil water pipe.

It preferably, further include the liquid level inspection unit being arranged in the header tank, and according to the header tank liquid level The automatic control unit of the sewage lifting pump startup is controlled, the automatic control unit and the liquid level inspection unit signal connect It connects.

Preferably, it is provided with wastewater inlet, backwash mouth, outlet of sewer on the cylinder of the dross extractor and is located at described The drainage wash mouth of cylinder body bottom, the wastewater inlet are connected to the filter water outlet, and the drainage wash mouth is connected to Inside the header tank, it is respective that the bore in the drainage wash hole is less than the wastewater inlet, backwash mouth and outlet of sewer Bore, the inside of the cylinder is equipped with the filtration members that the cylinder is separated into the first reservoir chamber and the second reservoir chamber, described anti- Rinse mouth and drainage wash mouth are located at the cylinder and are formed on the barrel wall of first reservoir chamber, the wastewater inlet and sewage Outlet is located at the cylinder and is formed on the barrel wall of second reservoir chamber.

Preferably, the top of the header tank is equipped with removable cover.

The sewage lifting system of the utility model includes header tank, and overflow filter inside the header tank, Dross extractor and sewage pump；The overflow filter includes inner tube and the outer tube that is sleeved on the outside of said inner tube, said inner tube The first chamber of middle formation, forms the second chamber between the outer tube and said inner tube, have on the tube wall of said inner tube and be connected to described the The first end of the fillter section of one chamber and the second chamber, said inner tube has filter water inlet, and the second end of said inner tube had Filter water outlet, the bottom of the outer tube are provided with the overflow port led to inside the header tank.The utility model is by overflowing Fillter section and overflow port are set on flow filter, when sewage quantity is in the state that recoils greater than the capacity of outlet water or dross extractor of dross extractor When, sewage flow to header tank from overflow port, and thicker sundries is intercepted in inner tube, when dross extractor is in filtration condition, overflows Sundries in flow filter enters in dross extractor to be washed away by back-flushing, is avoided sewage pump from being blocked, is extended sewage lifting The service life of pump.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram of the sewage lifting system of the utility model embodiment；

Fig. 2 is the structural schematic diagram of the overflow filter in the utility model embodiment sewage lifting system；

Fig. 3 is the structural schematic diagram of the dross extractor in the utility model embodiment sewage lifting system.

Drawing reference numeral explanation:

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention, It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with The concrete meaning of above-mentioned term in the present invention is understood as the case may be.

It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.

The utility model proposes a kind of sewage lifting systems, including header tank 1, and the overflow inside header tank 1 Filter 2, dross extractor 3 and sewage pump 4；Overflow filter 2 includes inner tube 24 and the outer tube 25 being sleeved on the outside of inner tube 24, interior Form the first chamber in pipe 24, form the second chamber between outer tube 25 and inner tube 24, have on the tube wall of inner tube 24 the first chamber of connection and The first end of the fillter section 26 of second chamber, inner tube 24 has filter water inlet 21, and the second end of inner tube 24 goes out with filter The mouth of a river 22, the bottom of outer tube 25 are provided with the overflow port 23 led to inside header tank 1, and filter water inlet 21 connects header tank 1 External water inlet manifold；Dross extractor 3 includes cylinder, and wastewater inlet 33, outlet of sewer 34 and backwash mouth 35 are provided on cylinder, Wastewater inlet 33 is connected to filter water outlet 22, and outlet of sewer 34 connects the total outlet pipe outside header tank 1；Sewage pump Inside 4 inlet communication to header tank 1, the outlet of sewage pump 4 is connected to backwash mouth 35.

Sewage enters from filter water inlet 21, and sundries is intercepted in inner tube 24, the sewage filtered through fillter section 26 into Enter in outer tube 25, it is extra when wastewater influent amount is greater than the capacity of outlet water of dross extractor 3 or dross extractor 3 is in backwashing state Sewage flowed out in header tank 1 from overflow port 23.

Specifically, outer tube 25 is fixed with overflow pipe at overflow port 23, and overflow pipe is elbow water pipe 27.It is set on fillter section 26 There is filter hole, specific aperture size can be designed according to specific process requirement.

Two sewage pumps 4 (one open one standby) is arranged in the present embodiment sewage lifting system, when the liquid level of header tank 1 reaches After preset value, sewage pump 4 starts, and the sewage in header tank 1 enters recoil water pipe 5 and (is located at sewage pump 4 and backwash Between mouth 35), back-flushing enters dross extractor 3, and sundries is washed away from outlet of sewer 34.

Preferably, the wastewater inlet 33 of dross extractor 3 is located at the underface of filter water outlet 22,2 inner tube of overflow filter Sundries in 24 can vertically be fallen into dross extractor 3.

More specifically, being connected between the outlet of sewage pump 4 and the backwash mouth 35 of dross extractor 3 by the water pipe 5 that recoils. It recoils and is equipped with pump outlet check valve 42 between water pipe 5 and sewage pump 4.Between pump outlet check valve 42 and sewage pump 4 It is connected by hose.Before the starting of sewage pump 4, pump outlet check valve 42 is closed；When the liquid level of header tank 1 reaches preset value Afterwards, sewage pump 4 starts, and pump outlet check valve 42 is opened.

More specifically, the pipeline between 3 wastewater inlet 33 of filter water outlet 22 and dross extractor is equipped with three-port check damper 6, three-port check damper 6 includes the first port 61, the second port 62 and the third connectivity mouth 63 to communicate with each other, and the first port 61 is connected to Filter water outlet 22, the second port 62 are connected to the wastewater inlet 33 of dross extractor 3, and third connectivity mouth 63 is connected to recoil water pipe 5. Before the unlatching of sewage pump 4, the valve on third connectivity mouth 63 is closed, after liquid level reaches preset value in header tank 1, third connectivity mouth 63 valve is opened, and the back-flushing in the water pipe 5 that recoils can not only be rinsed the sundries in dross extractor 3, moreover it is possible to logical by third 63 pairs of overflow filters 2 of mouth are rinsed.

In addition, the sewage lifting system in the present embodiment further includes the liquid level inspection unit being arranged in header tank 1, and According to the automatic control unit that 1 Liquid level sewage pump 4 of header tank starts, automatic control unit and liquid level inspection unit are believed Number connection.Specifically, liquidometer 9 can be set in header tank 1, then connect with external electricity distributing box, and with sewage pump 4 Electrical connection, after the liquid level in header tank 1 reaches preset value, sewage pump 4 starts automatically, rinses the sundries in dross extractor 3. Cable port 10 is equipped at the top of header tank 1 in the present embodiment, to facilitate electrical connection.It is additionally provided with removable cover at the top of header tank 1, with Facilitate internal overhaul.

Be provided on the cylinder of dross extractor 3 in the present embodiment wastewater inlet 33, backwash mouth 35, outlet of sewer 34 and Positioned at the drainage wash mouth 39 of cylinder body bottom, wastewater inlet 33 is connected to filter water outlet 22, and drainage wash mouth 39 is connected to Inside header tank 1, the bore in drainage wash hole is less than wastewater inlet 33, backwash mouth 35 and the respective bore of outlet of sewer 34, The inside of cylinder is equipped with the filtration members 36 for separating the cylinder into the first reservoir chamber 37 and the second reservoir chamber 38, backwashes mouth 35 and draws Stream rinse mouth 39 is located at cylinder and is formed on the barrel wall of the first reservoir chamber 37, and wastewater inlet 33 and outlet of sewer 34 are located at cylinder-shaped On barrel wall at the second reservoir chamber 38.

Sewage passes through overflow filter 2 through water inlet manifold, and the sewage containing sundries is directly entered the second reservoir chamber of dross extractor 3 In 38, some sewage is filtered through overflow filter 2, is flow in header tank 1 by overflow port 23, into dross extractor 3 Sundries is intercepted in the second reservoir chamber 38, and extra sewage is flow in header tank 1 from drainage wash mouth 39.

The diameter dimension of above-mentioned drainage wash mouth 39 can be designed according to concrete technology, need to guarantee that sewage enters Shi Youyi constant current Amount, it is not all right to enter in slag cleaning device at cecum convenient for the sewage containing sundries, while need to guarantee to open in sewage pump 4 again When, water yield cannot be too big, otherwise will affect flushing of the back-flushing to sundries.In addition, the water flow pair that over flow rinse mouth ejects 1 bottom of header tank can be carried out flushing, convenient for the cleaning of 1 deposit of header tank.

Overflow filter 2 in the sewage lifting system of the present embodiment can intercept sundries, and the sewage of filtering is flow to and is catchmented In case 1, after then 1 liquid level of header tank reach a certain height, sewage pump 4 starts automatically, and back-flushing rinses in dross extractor 3 Sundries avoids the blocking of sewage pump 4, extends the service life of sewage pump 4.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the design of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of sewage lifting system, which is characterized in that the overflow filtering including header tank, and inside the header tank Device, dross extractor and sewage pump；

The overflow filter includes inner tube and the outer tube that is sleeved on the outside of said inner tube, forms the first chamber, institute in said inner tube It states and forms the second chamber between outer tube and said inner tube, there is the mistake for being connected to first chamber and the second chamber on the tube wall of said inner tube Section is filtered, the first end of said inner tube has filter water inlet, and the second end of said inner tube has filter water outlet, described outer The bottom of pipe is provided with the overflow port led to inside the header tank, and the filter water inlet connects outside the header tank Water inlet manifold；

The dross extractor includes cylinder, be provided on the cylinder wastewater inlet, outlet of sewer and backwash mouth, the sewage into Mouth is connected to the filter water outlet, and the outlet of sewer connects the total outlet pipe outside the header tank；

Inside the inlet communication of the sewage pump to the header tank, the outlet of the sewage pump and the backwash Mouth connection.

2. sewage lifting system as described in claim 1, which is characterized in that the outer tube is fixed with excessive at the overflow port Flow tube, the overflow pipe are elbow water pipe.

3. sewage lifting system as described in claim 1, which is characterized in that the fillter section is equipped with filter hole.

4. sewage lifting system as described in claim 1, which is characterized in that the wastewater inlet of the dross extractor is located at the mistake The underface of filter water outlet.

5. sewage lifting system as described in claim 1, which is characterized in that the outlet of the sewage pump and the scarfing cinder Pass through recoil water pipe connection between the backwash mouth of device.

6. sewage lifting system as claimed in claim 5, which is characterized in that set between recoil water pipe and the sewage pump There is pump outlet check valve.

7. sewage lifting system as claimed in claim 5, which is characterized in that the filter water outlet and the dross extractor are dirty Pipeline between water inlet is equipped with three-port check damper, and the three-port check damper includes the first port to communicate with each other, second logical Mouth and third connectivity mouth, first port are connected to the filter water outlet, and second port is connected to the dross extractor Wastewater inlet, the third connectivity mouth is connected to the recoil water pipe.

8. sewage lifting system as described in claim 1, which is characterized in that further include the liquid level being arranged in the header tank Inspection unit, and the automatic control unit of the sewage lifting pump startup according to the header tank Liquid level, it is described automatic Control unit is connect with the liquid level inspection unit signal.

9. sewage lifting system as described in claim 1, which is characterized in that the bottom of the cylinder of the dross extractor, which is provided with, draws Rinse mouth is flowed, the wastewater inlet is connected to the filter water outlet, and the drainage wash mouth is connected in the header tank Portion, the bore in the drainage wash hole are less than the wastewater inlet, backwash mouth and the respective bore of outlet of sewer, the cylinder Inside be equipped with the cylinder be separated into the filtration members of the first reservoir chamber and the second reservoir chamber, the backwash mouth and drainage are rushed It washes mouth and is located at the cylinder and formed on the barrel wall of first reservoir chamber, the wastewater inlet and outlet of sewer are located at the cylinder Body is formed on the barrel wall of second reservoir chamber.

10. such as sewage lifting system according to any one of claims 1 to 9, which is characterized in that set at the top of the header tank There is removable cover.