CN113323117A

CN113323117A - Hydraulic cyclone separation type sewage intercepting well and construction method

Info

Publication number: CN113323117A
Application number: CN202110657324.2A
Authority: CN
Inventors: 张太杰
Original assignee: Guangzhou Zhuojian Engineering Co ltd
Current assignee: Guangzhou Zhuojian Engineering Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-08-31

Abstract

The utility model belongs to the technical field of municipal works sewage treatment's technique and specifically relates to a water conservancy whirl disconnect-type sewage vatch basin and construction method is related to, and it includes bed course, well body and well lid, the well body is connected on the bed course, and the well lid closes the upper end at the well body, be connected with inlet tube and outlet pipe on the well body, the upper portion of well body is provided with a whirl section of thick bamboo, forms whirl district between the inner wall of a whirl section of thick bamboo and well body, the tangent direction and the whirl district intercommunication of inlet tube along the well body, the outlet pipe stretches in the well body and communicates with the inside of a whirl section of thick bamboo, the below of a whirl section of thick bamboo is provided with the guiding gutter, the guiding gutter wholly is the less one end of toper and guiding gutter and sets up down. The present application has the effect of reducing the problem of plugging.

Description

Hydraulic cyclone separation type sewage intercepting well and construction method

Technical Field

The application relates to the technical field of municipal engineering sewage treatment, in particular to a hydraulic cyclone separation type sewage intercepting well and a construction method.

Background

The municipal engineering sewage treatment comprises the steps of discharging sewage of each living area, collecting, converging and conveying the sewage to a sewage treatment plant, discharging the sewage to a river channel after the sewage treatment plant purifies the sewage, and installing an interception system in the sewage discharge control, wherein the interception system comprises interception devices such as an interception weir, an overflow weir, a flow-limiting sealing plate, a check valve and the like.

Application publication number is CN 102852219A's patent application file discloses a prevent flowing backward sewage vatch basin, including the well body, the middle part region of the well body is provided with the overflow weir to make well body inner chamber separate into intake antrum and overflow drainage chamber, be connected with the confluence pipe on the well body lateral wall, the well body of intake antrum one side still is connected with cuts dirty pipe, the confluence pipe is connected with the intake antrum, connect overflow drain pipe on the drainage chamber one side well body lateral wall, the rain and sewage mixed water that advances the intake antrum through the confluence pipe flow, through cutting dirty pipe row to sewage treatment plant.

However, in the above structure, the overflow drain pipe is easily blocked by the filth contained in the rain and sewage mixed water flowing into the water inlet cavity through the flow merging pipe, so that the rain and sewage mixed water overflows to the ground.

Disclosure of Invention

In order to reduce the problem of jam, this application provides a hydrocyclone separation formula sewage vatch basin.

The application provides a hydrocyclone separation formula sewage vatch basin adopts following technical scheme:

the utility model provides a water conservancy whirl disconnect-type sewage vatch basin, includes bed course, well body and well lid, the well body is connected on the bed course, and the well lid closes the upper end at the well body, be connected with inlet tube and outlet pipe on the well body, the upper portion of well body is provided with a whirl section of thick bamboo, forms whirl loop district between the inner wall of a whirl section of thick bamboo and well body, the tangent direction and the whirl loop district intercommunication of inlet tube along the well body, the outlet pipe stretches in the well body and communicates with the inside of a whirl section of thick bamboo, the below of a whirl section of thick bamboo is provided with the guiding gutter, the guiding gutter wholly is the less one end of toper and guiding gutter and sets up down.

Through adopting above-mentioned technical scheme, during the use, the inside of well is provided with a whirl section of thick bamboo, connect the inlet tube on the well, the inlet tube is along the tangential direction and the whirl of well section of thick bamboo district intercommunication, thereby the inlet tube gets into the dirty mixed water of rain to the whirl ring district, because mix the marginal motion in the dirty mixed water of rain heavier filth along the whirl ring district, and the dirty mixed aquatic lighter filth of rain floats in the top in the whirl ring district, go out the water piping connection in the inside of a whirl section of thick bamboo, thereby can reduce the jam of outlet pipe.

Preferably, the well body comprises a lower section and an upper section, the upper section and the lower section are connected through a tongue-and-groove, and a bonding layer is arranged at the joint of the upper section and the lower section.

By adopting the technical scheme, the lower section and the upper section are respectively manufactured and can be hermetically connected with the upper section and the lower section through tongue-and-groove connection, so that the cyclone cylinder and the diversion trench are easy to install, and the construction period is shortened.

Preferably, an embedded part is arranged on the inner wall of the lower section, a plurality of connecting pieces are fixedly arranged on the embedded part, the cross section of each connecting piece is in a U shape with an upward opening, each diversion trench comprises a conical part and a connecting part, the upper side edge of each conical part is fixedly connected with the corresponding connecting part, and each connecting part is downwards buckled in the U shape formed by the corresponding connecting piece.

Through adopting above-mentioned technical scheme, the built-in fitting setting is on the inner wall of hypomere, fixes the connecting piece on the built-in fitting, and connecting portion on the rethread guiding gutter is detained downwards on the connecting piece to can make things convenient for the installation of guiding gutter and the maintenance of later stage.

Preferably, the center of the cyclone cylinder is provided with a vent cylinder, the lower end of the vent cylinder exceeds the cyclone cylinder, the upper end of the vent cylinder and the upper end of the cyclone cylinder are connected with a connecting plate, and the connecting plate is hermetically connected with the upper ends of the vent cylinder and the cyclone cylinder.

Through adopting above-mentioned technical scheme, the air tube can make the inside pressure of a whirl section of thick bamboo unanimous with the outside atmospheric pressure of a whirl section of thick bamboo, keeps entering into the hydroenergy in the whirl ring district enough to form the whirl, has guaranteed the job stabilization nature who dams.

Preferably, the connecting plate is provided with a vent pipe, one end of the vent pipe penetrates through the connecting plate to be communicated with the vent cylinder, and the other end of the vent pipe is bent downwards to form a hook shape.

Through adopting above-mentioned technical scheme, the one end of breather pipe is inserted in the connecting plate for with the breather pipe intercommunication, the downward bending type of other end breather pipe becomes hook-like, can reduce the breather pipe and fall into impurity downwards.

Preferably, the upper surface of connecting plate is fixed and is provided with the support frame, the fixed a plurality of mount pads that are provided with on the inner wall of well bore, support frame and mount pad fixed connection.

Through adopting above-mentioned technical scheme, the mount pad is fixed on the inner wall of well bore, then through support frame and mount pad fixed connection, the support frame is fixed on the connecting plate to can make the swirl tube install relatively easily.

Preferably, the height of the lowest point position of the water inlet pipe is lower than that of the lowest point position of the water outlet pipe.

Through adopting above-mentioned technical scheme, the position of inlet tube minimum is less than the position of outlet pipe minimum to can make and have sufficient preformed water in the well bore, make things convenient for the water in the inlet tube to enter into and can form sufficient whirl in the well bore.

In order to reduce the problem of blockage, the application provides a construction method of a hydraulic cyclone separation type sewage intercepting well.

The application provides a construction method of a hydraulic cyclone separation type sewage intercepting well, which adopts the following technical scheme:

a construction method of a hydraulic cyclone separation type sewage intercepting well comprises cushion layer construction and well body manufacturing, wherein an upper section and a lower section are prefabricated respectively, after the well body is manufactured, a diversion trench is installed in the lower section, a cyclone cylinder is installed in the upper section, and the upper section is hoisted to the lower section to be spliced.

Through adopting above-mentioned technical scheme, the shaft falls into upper segment and hypomere and prefabricates respectively, and construction period can shorten, installs the guiding gutter in the lower section after the shaft preparation, and installs a whirl section of thick bamboo in the upper segment, hoists the upper segment again to the hypomere on, makes things convenient for the installation of guiding gutter and whirl section of thick bamboo, makes the interior whirl ring district that forms of shaft simultaneously, is convenient for separate rain and sewage mixing water, reduces and blocks up.

Preferably, a rabbet joint is reserved at the upper end of the lower section, a rabbet groove is reserved at the lower end of the upper section, and when the upper section is hoisted to the lower section, an adhesive layer is firstly coated on the rabbet joint.

By adopting the technical scheme, the rabbet joint is reserved on the lower section, and the adhesive layer is coated on the rabbet joint, so that the upper section and the lower section are better sealed when the upper section is connected to the lower section.

Preferably, after the well body is spliced, water is injected into the well body, the water is poured to the upper part of the upper section, and the water seepage amount of the well body is observed.

Through adopting above-mentioned technical scheme, well body concatenation back is earlier to the inside water injection of well body, observes the infiltration volume of well body to can effectively detect the leakproofness of well body, be convenient for in time adjust.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the rainwater and sewage mixed water enters the cyclone ring area through the water inlet pipe along the tangential direction of the well body, and the heavier pollutants mixed in the rainwater and sewage mixed water move along the edge of the cyclone ring area, so that the lighter pollutants in the rainwater and sewage mixed water float above the cyclone ring area, and the blockage of a water outlet pipe can be reduced;

2. the lower section and the upper section are manufactured respectively, and are connected with the upper section and the lower section in a sealing way through tongue-and-groove connection, so that the cyclone cylinder and the diversion trench are easy to install, and the construction period is shortened;

3. the pressure inside the cyclone cylinder can be consistent with the air pressure outside the cyclone cylinder through the vent cylinder, the water entering the cyclone ring area can be kept to form cyclone, and the work stability of flow closure is ensured.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of a full-section configuration of an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a lower section of an embodiment of the present application;

fig. 4 is a schematic diagram of an upper structure of an embodiment of the present application.

Description of reference numerals: 1. a cushion layer; 2. well bore; 21. a lower section; 211. a tongue-and-groove joint; 22. an upper section; 221. a tongue-and-groove; 23. embedding parts; 24. an adhesive layer; 25. a connecting member; 3. a diversion trench; 31. a tapered portion; 32. a connecting portion; 33. a vertical cylinder part; 4. a cyclone cylinder; 41. a swirl ring zone; 51. a water inlet pipe; 52. a water outlet pipe; 6. a well cover; 61. a concrete slab; 62. a well frame; 63. a cover body; 7. a breather tube; 71. a dirt blocking cover; 72. a connecting plate; 73. a breather pipe; 8. a support frame; 81. and (7) mounting a seat.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses hydrocyclone separation type sewage vatch basin. Referring to fig. 1 and 2, including the bed course 1, the bed course 1 is horizontally arranged at the bottom, the upper surface of the bed course 1 is provided with a cylindrical well bore 2, a diversion trench 3 is arranged in the well bore 2, the diversion trench 3 is located at the lower part of the well bore 2, a cyclone tube 4 is installed above the diversion trench 3, a cyclone ring area 41 is formed between the outer wall of the cyclone tube 4 and the inner wall of the well bore 2, a water inlet pipe 51 is connected to the position corresponding to the cyclone ring area 41 on the upper side wall of the well bore 2, the water inlet pipe 51 is communicated with the cyclone ring area 41, the extension line of the water inlet pipe 51 is arranged along the tangential direction of the well bore 2, and when the water inlet pipe 51 flows into the cyclone ring area 41, the rain and sewage mixed water rotates and flows downwards in the cyclone ring. A water outlet pipe 52 is arranged on the side wall of the well 2, one end of the water outlet pipe 52 is inserted into the well 2 and communicated with the interior of the cyclone cylinder 4, and the other end is far away from the well 2. When dirty mixed water of rain is at rotatory in-process, heavier filth, for example sand, receive the effect of centrifugal thing and remove to the outside of whirl loop area 41, lighter filth, for example oil stain can float on water, makes the water that enters into inside the whirl section of thick bamboo 4 cleaner, reduces the jam to outlet pipe 52, makes in the filth leaves over the well body 2, clears up through the suction dirty car in sunny day. The top of the well body 2 is provided with a well cover 6. The height of the lowest point of the water inlet pipe 51 is lower than that of the lowest point of the water outlet pipe 52, so that enough water is stored in the well body 2, when the water flow in the water inlet pipe 51 is less, the water can still enter the cyclone ring area 41 and can rotate and flow in the cyclone ring area 41, and the separation of pollutants caused by the too high falling speed is not light, and the water enters the water outlet pipe 52.

Referring to fig. 2 and 3, the well bore 2 includes a lower section 21 and an upper section 22, the lower section 21 and the upper section 22 are formed by a prefabrication process, the inside of the lower section 21 is used for installing the diversion trench 3, an embedded part 23 is arranged inside the lower section 21, the embedded part 23 is an annular steel plate, the embedded part 23 is embedded on the inner side wall of the lower section 21, and the inner side wall of the embedded part 23 is flush with the lower side surface of the lower section 21, so that the inner side wall of the embedded part 23 leaks out from the lower section 21. A plurality of connecting pieces 25 are welded and fixed on the inner side wall of the embedded part 23, the cross section of each connecting piece 25 is U-shaped, the opening of the U-shaped connecting piece 25 is upward, the diversion trench 3 comprises a conical part 31, a connecting part 32 and a vertical cylinder part 33, the central line of the conical part 31 is vertically arranged, the smaller end of the conical part 31 is arranged downward, the larger end of the conical part 31 is arranged upward, the connecting part 32 is arranged at the edge of the upper end of the conical part 31, the vertical cylinder part 33 is arranged at the edge of the lower end of the conical part 31, the connecting part 32 is in a U-shaped ring shape, the connecting part 32 is arranged along the edge of the upper end of the conical part 31, the connecting part 32 and the conical part 31 are integrally arranged, the opening of the U-shaped connecting part 32 is arranged downward, the conical part 31 is connected on the inner side of the connecting part 32, the outer diameter of the connecting part, the subsequent replacement and maintenance of the diversion trench 3 are facilitated. The distance between the upper surface of the diversion trench 3 and the upper end surface of the lower section 21 is 50 cm. The lower end of the lower section 21 is attached to the upper surface of the mat 1.

Referring to fig. 2 and 3, a rabbet joint 211 is arranged on the upper end surface of the lower section 21, a rabbet groove 221 is arranged on the lower end surface of the upper section 22, the rabbet groove 221 is in a downward-opening U shape, an adhesive layer 24 is arranged between the rabbet joint 211 and the inner wall of the rabbet groove 221, and the joint of the upper section 22 and the lower section 21 is sealed and fixed through the adhesive layer 24 to prevent water seepage and water leakage of the well body 2.

Referring to fig. 2, the center of the cyclone cylinder 4 is provided with an air cylinder 7, the air cylinder 7 is vertically arranged, the lower end of the air cylinder 7 extends downwards beyond the cyclone cylinder 4 and is provided with a conical dirt blocking cover 71, and the smaller end of the conical dirt blocking cover 71 faces upwards and is integrally arranged with the lower end of the air cylinder 7. The upper end of the air cylinder 7 and the upper end of the cyclone cylinder 4 are provided with a connecting plate 72, the upper end of the air cylinder 7 is welded on the lower surface of the connecting plate 72, and the upper end of the cyclone cylinder 4 is welded on the lower surface of the connecting plate 72, so that the cyclone cylinder 4 and the air cylinder 7 are connected in a sealing manner through the connecting plate 72. The connecting plate 72 is provided with a vent pipe 73, one end of the vent pipe 73 penetrates through the connecting plate 72 and is communicated with the inside of the vent cylinder 7, and the other end of the vent pipe 73 is positioned on one side of the connecting plate 72 far away from the vent cylinder 7 and is bent downwards to form a hook shape, so that sundries are prevented from falling into the vent pipe 73 to block the vent pipe 73. When the water flow in the water inlet pipe 51 fluctuates greatly, the vent pipe 73 can be ventilated to ensure that the air pressure inside and outside the cyclone cylinder 4 is consistent, so that the rainwater and sewage mixed water entering the cyclone ring area 41 is ensured to form a cyclone, and the working stability of sewage interception is ensured.

Referring to fig. 4, a mounting seat 81 is fixedly arranged on the inner side wall of the upper section 22, the mounting seat 81 is fixed on the upper section 22 through expansion bolts, four mounting seats 81 are provided, a support frame 8 is arranged between every two mounting seats 81, the support frame 8 is made of L-shaped angle steel, two ends of the support frame 8 correspond to one mounting seat 81 respectively, the two support frames 8 are symmetrically and parallelly mounted on the upper surface of the connecting plate 72, the support frame 8 can be welded and fixed or connected to the connecting plate 72 through bolts, the two ends of the support frame 8 and the mounting seat 81 are fixed through bolts, the support frame 8 is fixed on the mounting seats 81, and then the cyclone cylinder 4 and the vent cylinder 7 are fixed in the upper section 22.

Referring to fig. 1, the manhole cover 6 includes a concrete plate 61, a manhole frame 62, and a cover body 63, the manhole frame 62 being engaged with the cover body 63, the concrete plate 61 being disposed on an upper end surface of the upper section 22, the manhole frame 62 being cast in the concrete plate 61.

The embodiment of the application also discloses a construction method of the hydrocyclone separation type sewage intercepting well, which comprises the steps of constructing a cushion layer 1, manufacturing a well body 2, installing a diversion trench 3, assembling a hydrocyclone 4, connecting a water outlet pipe 52 with a water inlet pipe 51, backfilling the well body 2 and constructing a well cover 6.

And (3) constructing the cushion layer 1, namely excavating a well bottom by using an excavator, manually using a shovel after the position 200mm away from the well bottom is excavated, and leveling and checking the well bottom. Then, pouring a cushion layer 1 with the thickness of 100mm by using C15 commercial concrete, inserting reinforcing steel bars for elevation control before pouring the cushion layer 1 concrete, and vibrating and scraping the concrete after pouring the concrete.

The well body 2 is manufactured, the upper section 22 and the lower section 21 are manufactured by adopting a prefabrication process and are manufactured separately, a template is firstly erected, an embedded part 23 is arranged in the template, then concrete is poured into the template, layered pouring is adopted during pouring, the pouring thickness of each layer is smaller than 75cm, vibration is carried out during the pouring process, the vibration position extends to 5cm deep into the surface of the lower layer during the pouring of the upper layer, the upper layer and the lower layer are well combined, a rabbet groove 221 and a rabbet joint 211 are formed at the connecting position of the upper section 22 and the lower section 21, and water spraying and maintenance are carried out after the pouring is finished.

The diversion trench 3 is installed, the connecting piece 25 is welded on the embedded part 23, the welding position of the connecting piece 25 and the embedded part 23 is subjected to rust prevention treatment, then the diversion trench 3 is lifted by a crawler crane, the diversion trench 3 is placed on the connecting piece 25, the lower section 21 is hoisted to the upper surface of the cushion layer 1, and the joint of the lower section 21 and the cushion layer 1 is subjected to waterproof treatment.

Assembling the cyclone cylinder 4, fixing the mounting seat 81 on the inner side wall of the upper section 22, connecting the support frame 8 to the connecting plate 72 through bolts, then simultaneously hanging the cyclone cylinder 4 and the breather cylinder 7 into the upper section 22, fixing the support frame 8 on the mounting seat 81 through bolts, hanging the upper section 22 on the lower section 21, when mounting, firstly coating the adhesive layer 24 at the rabbet joint 211 of the lower section 21, and then slowly dropping the upper section 22 on the lower section 21 to enable the rabbet groove 221 to be butted on the rabbet joint 211.

Backfilling the well body 2, performing a water closing test on the inside of the well body 2 before backfilling the well body 2, injecting water into the well body 2, filling the water to the upper part of the upper section 22, observing the water seepage amount, measuring for more than 30 minutes, and filling soil around the well body 2 after the measurement time meets the requirement.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a water conservancy hydrocyclone separation formula sewage vatch basin, includes bed course (1), well body (2) and well lid (6), well body (2) are connected on bed course (1), and well lid (6) lid closes the upper end at well body (2), be connected with inlet tube (51) and outlet pipe (52), its characterized in that on well body (2): the upper portion of well bore (2) is provided with a whirl section of thick bamboo (4), forms whirl ring district (41) between the inner wall of whirl section of thick bamboo (4) and well bore (2), inlet tube (51) along the tangential direction and whirl ring district (41) intercommunication of well bore (2), outlet pipe (52) stretch in well bore (2) and with the inside intercommunication of a whirl section of thick bamboo (4), the below of a whirl section of thick bamboo (4) is provided with guiding gutter (3), guiding gutter (3) wholly are toper and the less one end of guiding gutter (3) and set up down.

2. The hydrocyclone-type sewage intercepting well of claim 1, wherein: the well body (2) comprises a lower section (21) and an upper section (22), the upper section (22) is connected with the lower section (21) through a tongue-and-groove, and a bonding layer (24) is arranged at the joint of the upper section (22) and the lower section (21).

3. The hydrocyclone-type sewage intercepting well of claim 2, wherein: the inner wall of the lower section (21) is provided with an embedded part (23), the embedded part (23) is fixedly provided with a plurality of connecting pieces (25), each connecting piece (25) is in a U shape with an upward opening in the cross section, each diversion trench (3) comprises a conical part (31) and a connecting part (32), the upper side edge of each conical part (31) is fixedly connected with the corresponding connecting part (32), and each connecting part (32) is downwards buckled in the U shape formed by the corresponding connecting piece (25).

4. A hydrocyclone-type sewage intercepting well according to any one of claims 1-3, wherein: the center of the cyclone cylinder (4) is provided with an air cylinder (7), the lower end of the air cylinder (7) extends out of the cyclone cylinder (4), the upper end of the air cylinder (7) and the upper end of the cyclone cylinder (4) are connected with a connecting plate (72), and the connecting plate (72) is connected with the upper ends of the air cylinder (7) and the cyclone cylinder (4) in a sealing manner.

5. The hydrocyclone-type sewage intercepting well of claim 4, wherein: an air pipe (73) is arranged on the connecting plate (72), one end of the air pipe (73) penetrates through the connecting plate (72) to be communicated with the air cylinder (7), and the other end of the air pipe (73) is bent downwards to form a hook shape.

6. The hydrocyclone-type sewage intercepting well of claim 4, wherein: the upper surface of connecting plate (72) is fixed and is provided with support frame (8), the fixed a plurality of mount pads (81) that are provided with on the inner wall of well bore (2), support frame (8) and mount pad (81) fixed connection.

7. The hydrocyclone-type sewage intercepting well of claim 1, wherein: the height of the lowest point position of the water inlet pipe (51) is lower than that of the lowest point position of the water outlet pipe (52).

8. A construction method of a hydrocyclone separation type sewage intercepting well, which is used for manufacturing the hydrocyclone separation type sewage intercepting well of claim 2, comprises cushion layer (1) construction and well body (2) manufacturing, and is characterized in that: the well body (2) is manufactured by respectively prefabricating an upper section (22) and a lower section (21), after the well body (2) is manufactured, firstly installing a diversion trench (3) in the lower section (21) and installing a cyclone cylinder (4) in the upper section (22), and hoisting the upper section (22) to the lower section (21) for splicing.

9. The construction method of the hydrocyclone separation type sewage intercepting well according to claim 8, wherein: the upper end of the lower section (21) is reserved with a rabbet joint (211), the lower end of the upper section (22) is reserved with a rabbet groove (221), and when the upper section (22) is hoisted to the lower section (21), an adhesive layer (24) is firstly smeared on the rabbet joint (211).

10. The construction method of the hydrocyclone separation type sewage intercepting well according to claim 9, wherein: after the well body (2) is spliced, water is injected into the well body (2), the water is poured to the upper part of the upper section (22), and the water seepage amount of the well body (2) is observed.