CN219569098U - Rural sewage negative pressure collection system without pressure relief and solid discharge - Google Patents

Abstract

The utility model discloses a rural sewage negative pressure collecting system without pressure relief and solid discharge, which comprises a front end collecting well, a negative pressure collecting pipeline, a vacuum collecting tank and a control system, wherein the front end collecting well is connected with the vacuum collecting tank; the negative pressure collecting pipeline comprises a collecting branch pipe, a collecting main pipe and a bypass pipe; the collection branch pipe one end is connected with the front end collecting well, and the other end is connected with the one end of collecting main pipe, collecting main pipe's the other end is connected with the vacuum collection jar, the both ends of bypass pipe are connected with collecting main pipe's front end and rear end and are formed parallel structure, set up first filter on the collecting main pipe, set up the second filter on the bypass pipe, this system utilizes bypass pipe and collecting main pipe to form parallel structure, need not to shut down the pressure release and just can carry out the rubbish clearance to one, second filter simple structure, clearance rubbish easy operation, consuming time is short.

Description

Rural sewage negative pressure collection system without pressure relief and solid discharge

Technical Field

The utility model relates to the field of sewage negative pressure collection, in particular to a rural sewage negative pressure collection system without pressure relief and solid discharge.

Background

The negative pressure collecting system generally comprises a negative pressure collecting well (front end collecting well), a negative pressure collecting pipe network and a negative pressure station (vacuum collecting tank and vacuum pump), wherein a vacuum device is utilized to enable a closed pipe network to form a certain vacuum negative pressure, sewage enters the pipe network through the control of the front end collecting well, and then under the action of negative pressure suction force, the sewage is conveyed towards the direction of negative pressure generation (negative pressure station), and the existing negative pressure collecting system mainly has the following problems:

there is rubbish in the sewage, rubbish gets into vacuum collection jar through the negative pressure collection pipe network, and after long-time operation, the negative pressure collection pipe network can take place to block up, like CN213012281U discloses a domestic sewage negative pressure hybrid collection system, the rose box sets up in negative pressure blowdown jar rear end in this patent, and in case of blocking up in such design negative pressure house steward, will destroy the negative pressure environment in the negative pressure blowdown jar when needing the clearance, that is, negative pressure blowdown jar needs to press down to need shut down sewage collection work when clearing up rubbish can't go on.

There are also some devices that install a pipe filter on the negative pressure collecting pipe net, so that the pipe filter is only cleaned regularly, but the problems of stopping and pressure relief cannot be overcome.

Disclosure of Invention

The utility model aims to provide a rural sewage negative pressure collecting system without pressure relief and solid discharge.

The utility model aims at innovation points that: the bypass pipe and the collecting main pipe form a parallel structure, the bypass pipe is matched with the first filter and the second filter, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve, the garbage can be cleaned without stopping and pressure relief, the first filter and the second filter are simple in structure, garbage cleaning operation is simple, and time consumption is short.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the rural sewage negative pressure collecting system without pressure relief and solid discharge comprises a front end collecting well, a negative pressure collecting pipeline, a vacuum collecting tank and a control system; the negative pressure collecting pipeline comprises a collecting branch pipe, a collecting main pipe and a bypass pipe; one end of the collecting branch pipe is connected with the front collecting well, the other end of the collecting branch pipe is connected with one end of the collecting main pipe, the other end of the collecting main pipe is connected with the vacuum collecting tank, two ends of the bypass pipe are connected with the front end and the rear end of the collecting main pipe to form a parallel structure, a first filter is arranged on the collecting main pipe, a second filter is arranged on the bypass pipe, and a first electromagnetic valve and a second electromagnetic valve are arranged on two sides of the first filter; a third electromagnetic valve and a fourth electromagnetic valve are arranged on two sides of the second filter; an exhaust pipe is arranged at the top of the vacuum collection tank and connected with a vacuum pump; the first filter and the second filter have the same structure and comprise Y-shaped pipe bodies with hollow structures, one end of each pipe body is an inlet pipe, the other end of each pipe body is an outlet pipe, an inclined filter pipe is arranged in the middle of each pipe body, an end cover is arranged at the end part of each filter pipe, and a cleaning cover is arranged at the center of each end cover; a filter screen cylinder with two open ends is arranged in the filter pipe, the top of the filter screen cylinder is communicated with the inlet pipe, the bottom of the filter screen cylinder is connected with the end cover, and the opening at the lower end of the filter screen cylinder corresponds to the cleaning cover; the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve and the vacuum pump are all connected with the control system.

Further, the top of the filter screen cylinder is clamped with a skirt edge protruding from the inner wall of the inlet pipe, the bottom of the filter screen cylinder is propped against a groove formed in the end cover, and a sealing ring is further arranged between the bottom of the filter screen cylinder and the groove.

Further, the cleaning cover is in threaded connection with the end cover, and the cleaning cover is a transparent cover body.

Further, a first liquid level meter is arranged in the front-end collecting well, an electromagnetic switch valve is arranged on the collecting branch pipe, and the first liquid level meter and the electromagnetic switch valve are connected with a control system.

Further, the top of the vacuum collection tank is further provided with a pressure sensor and a second liquid level meter, the side wall of the bottom of the vacuum collection tank is provided with a drain pipe, the drain pipe is provided with a drain pump, and the pressure sensor, the second liquid level meter and the drain pump are all connected with a control system.

The beneficial effects of the utility model are as follows:

first: the bypass pipe and the collecting main pipe are arranged to form a parallel structure, and when the device is used normally, the third electromagnetic valve and the fourth electromagnetic valve on the bypass pipe are closed, and the bypass pipe is not used; when the first filter on the collecting main pipe needs to be cleaned, the first electromagnetic valve and the second electromagnetic valve are closed, the third electromagnetic valve and the fourth electromagnetic valve are opened to enable the bypass pipe, the first filter on the collecting main pipe can be cleaned, the whole system does not need to be stopped, the vacuum collecting tank does not need to be decompressed, and cleaning can be achieved.

Second,: the bypass tube may also be used as a backup, and may be activated when the collection manifold fails.

Third,: the first filter and the second filter are simple in structure, the cleaning cover is arranged on the end cover, and when garbage is cleaned, the cleaning cover is only required to be unscrewed, so that the garbage in the filter screen barrel can be cleaned, and the operation is simple and the time consumption is short.

Fourth,: the cleaning cover is a transparent cover body, and the amount of the intercepted garbage in the filter screen cylinder can be checked through the cleaning cover.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic view of a first filter structure.

In the figure: 10 is the front end collecting well, 11 is the first level gauge, 12 is the solenoid switch valve, 20 is the negative pressure collecting line, 21 is the collecting branch pipe, 22 is the collecting main pipe, 23 is the bypass pipe, 30 is the vacuum collecting tank, 31 is the exhaust pipe, 32 is the vacuum pump, 33 is the pressure sensor, 34 is the second level gauge, 35 is the drain pipe, 36 is the drain pump, 40 is the first filter, 40.1 is the pipe body, 40.2 is the inlet pipe, 40.3 is the outlet pipe, 40.4 is the filter pipe, 40.5 is the end cover, 40.6 is the cleaning cover, 40.7 is the filter screen cylinder, 40.8 is the sealing ring, 41 is the first solenoid valve, 42 is the second solenoid valve, 50 is the second filter, 51 is the third solenoid valve, 52 is the fourth solenoid valve.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

The rural sewage negative pressure collecting system without pressure relief and solid discharge comprises a front end collecting well 10, a negative pressure collecting pipeline 20, a vacuum collecting tank 30 and a control system (not shown in the figure); the negative pressure collecting pipeline 20 comprises a collecting branch pipe 21, a collecting main pipe 22 and a bypass pipe 23; one end of the collecting branch pipe 21 is connected with the front collecting well 10, the other end of the collecting branch pipe is connected with one end of the collecting main pipe 22, the other end of the collecting main pipe 22 is connected with the vacuum collecting tank 30, two ends of the bypass pipe 23 are connected with the front end and the rear end of the collecting main pipe 22 to form a parallel structure, a first filter 40 is arranged on the collecting main pipe 22, a second filter 50 is arranged on the bypass pipe, and a first electromagnetic valve 41 and a second electromagnetic valve 42 are arranged on two sides of the first filter 40; a third electromagnetic valve 51 and a fourth electromagnetic valve 52 are arranged on two sides of the second filter 50; an exhaust pipe 31 is arranged at the top of the vacuum collection tank 30, and the exhaust pipe 31 is connected with a vacuum pump 32; the first filter 40 and the second filter 50 have the same structure and comprise a Y-shaped pipe body 40.1 with a hollow structure, one end of the pipe body 40.1 is an inlet pipe 40.2, the other end is an outlet pipe 40.3, an inclined filter pipe 40.4 is arranged in the middle, an end cover 40.5 is arranged at the end part of the filter pipe 40.4, and a cleaning cover 40.6 is arranged in the center of the end cover 40.5; a filter screen cylinder 40.7 with two open ends is arranged in the filter tube 40.4, the top of the filter screen cylinder 40.7 is communicated with the inlet tube 40.2, the bottom of the filter screen cylinder 40.7 is connected with the end cover 40.5, and the opening of the lower end of the filter screen cylinder 40.7 corresponds to the cleaning cover 40.6; the first solenoid valve 41, the second solenoid valve 42, the third solenoid valve 51, the fourth solenoid valve 52 and the vacuum pump 32 are all connected with a control system.

Further, the bypass pipe 23 and the collecting main pipe 22 are arranged to form a parallel structure, and in normal use, the third electromagnetic valve 51 and the fourth electromagnetic valve 52 on the bypass pipe 23 are closed, and the bypass pipe 23 is not used; when the first filter 40 on the collecting main pipe 22 needs to be cleaned, the first electromagnetic valve 41 and the second electromagnetic valve 42 are closed, the third electromagnetic valve 51 and the fourth electromagnetic valve 52 are opened, the bypass pipe 23 is started, the first filter 40 on the collecting main pipe 22 can be cleaned, the whole system does not need to be stopped, the vacuum collecting tank 30 does not need to be depressurized, and cleaning can be achieved.

Further, the top of the filter screen cylinder 40.7 clamps the raised skirt edge of the inner wall of the inlet pipe 40.2, the bottom of the filter screen cylinder abuts against the groove formed in the end cover 40.5, and a sealing ring 40.8 is further arranged between the bottom of the filter screen cylinder 40.7 and the groove.

Further, the cleaning cover 40.6 is in threaded connection with the end cover 40.5, and the cleaning cover 40.6 is a transparent cover body.

Further, the first filter 40 and the second filter 50 have simple structures, the cleaning cover 40.6 is arranged on the end cover 40.5, and when garbage is cleaned, the garbage in the filter screen cylinder 40.7 can be cleaned only by unscrewing the cleaning cover 40.6, so that the operation is simple and the time consumption is short.

Further, when the filter cartridge 40.7 needs to be replaced, the end cap 40.5 needs to be removed, and the filter cartridge 40.7 needs to be removed for replacement.

Further, the cleaning cover 40.6 is a transparent cover body, and the amount of the intercepted garbage in the filter screen cylinder 40.7 can be checked through the cleaning cover 40.6.

Further, a first liquid level meter 11 is arranged in the front collecting well 10, an electromagnetic switch valve 12 is arranged on the collecting branch pipe 21, and the first liquid level meter 11 and the electromagnetic switch valve 12 are connected with a control system.

Further, the top of the vacuum collection tank 30 is further provided with a pressure sensor 33 and a second liquid level meter 34, the bottom side wall is provided with a drain pipe 35, the drain pipe 35 is provided with a drain pump 36, and the pressure sensor 33, the second liquid level meter 34 and the drain pump 36 are all connected with a control system.

Further, the control system mainly comprises a PLC controller and the like, and is combined with the first electromagnetic valve 41, the second electromagnetic valve 42, the third electromagnetic valve 51 and the fourth electromagnetic valve 52 to realize the switching of the collecting main pipe 22 and the bypass pipe 23; the automatic air suction in the vacuum collection tank 30 is realized by combining the pressure sensor 33 and the vacuum pump 32; the electromagnetic switch valve 12 is automatically opened and closed by combining the first liquid level meter 11, so that the automatic suction of sewage in the front-end collecting well 10 is realized; the automatic opening and closing of the drain pump 36 in combination with the second level gauge 34 achieves automatic draining of the sewage in the vacuum tank 30, which is a prior art and will not be described here.

The described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims (5)

1. The rural sewage negative pressure collecting system without pressure relief and solid discharge comprises a front end collecting well (10), a negative pressure collecting pipeline (20), a vacuum collecting tank (30) and a control system; the method is characterized in that: the negative pressure collecting pipeline (20) comprises a collecting branch pipe (21), a collecting main pipe (22) and a bypass pipe (23); one end of the collecting branch pipe (21) is connected with the front end collecting well (10), the other end of the collecting branch pipe is connected with one end of the collecting main pipe (22), the other end of the collecting main pipe (22) is connected with the vacuum collecting tank (30), two ends of the bypass pipe (23) are connected with the front end and the rear end of the collecting main pipe (22) to form a parallel structure, a first filter (40) is arranged on the collecting main pipe (22), a second filter (50) is arranged on the bypass pipe, and a first electromagnetic valve (41) and a second electromagnetic valve (42) are arranged on two sides of the first filter (40); a third electromagnetic valve (51) and a fourth electromagnetic valve (52) are arranged on two sides of the second filter (50); an exhaust pipe (31) is arranged at the top of the vacuum collection tank (30), and the exhaust pipe (31) is connected with a vacuum pump (32); the first filter (40) and the second filter (50) have the same structure and comprise a Y-shaped pipe body (40.1) with a hollow structure, one end of the pipe body (40.1) is an inlet pipe (40.2), the other end of the pipe body is an outlet pipe (40.3), an inclined filter pipe (40.4) is arranged in the middle of the pipe body, an end cover (40.5) is arranged at the end part of the filter pipe (40.4), and a cleaning cover (40.6) is arranged at the center of the end cover (40.5); a filter screen cylinder (40.7) with two open ends is arranged in the filter tube (40.4), the top of the filter screen cylinder (40.7) is communicated with the inlet tube (40.2), the bottom of the filter screen cylinder (40.7) is connected with the end cover (40.5), and the opening at the lower end of the filter screen cylinder (40.7) corresponds to the cleaning cover (40.6); the first electromagnetic valve (41), the second electromagnetic valve (42), the third electromagnetic valve (51), the fourth electromagnetic valve (52) and the vacuum pump (32) are all connected with a control system.

2. The rural sewage negative pressure collection system without pressure relief and fixation according to claim 1, wherein: the top of the filter screen cylinder (40.7) is clamped with a skirt edge protruding from the inner wall of the inlet pipe (40.2), the bottom of the filter screen cylinder is propped against a groove formed in the end cover (40.5), and a sealing ring (40.8) is further arranged between the bottom of the filter screen cylinder (40.7) and the groove.

3. The rural sewage negative pressure collection system without pressure relief and fixation according to claim 1, wherein: the cleaning cover (40.6) is in threaded connection with the end cover (40.5), and the cleaning cover (40.6) is a transparent cover body.

4. The rural sewage negative pressure collection system without pressure relief and fixation according to claim 1, wherein: the front-end collecting well (10) is internally provided with a first liquid level meter (11), the collecting branch pipe (21) is provided with an electromagnetic switch valve (12), and the first liquid level meter (11) and the electromagnetic switch valve (12) are connected with a control system.

5. The rural sewage negative pressure collection system without pressure relief and fixation according to claim 1, wherein: the vacuum collection tank is characterized in that a pressure sensor (33) and a second liquid level meter (34) are further arranged at the top of the vacuum collection tank (30), a drain pipe (35) is arranged on the side wall of the bottom, a drain pump (36) is arranged on the drain pipe (35), and the pressure sensor (33), the second liquid level meter (34) and the drain pump (36) are connected with a control system.