CN210032040U - Integrated combined corrosion-resistant stainless steel finished product drainage inspection well - Google Patents
Integrated combined corrosion-resistant stainless steel finished product drainage inspection well Download PDFInfo
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- CN210032040U CN210032040U CN201920228261.7U CN201920228261U CN210032040U CN 210032040 U CN210032040 U CN 210032040U CN 201920228261 U CN201920228261 U CN 201920228261U CN 210032040 U CN210032040 U CN 210032040U
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Abstract
The utility model provides an integrated combined corrosion-resistant stainless steel finished product drainage inspection well, which comprises a well chamber, a shaft lower section, a shaft expansion unit and a shaft upper section which are sequentially connected from bottom to top, wherein the inner walls of the well chamber, the shaft lower section, the shaft expansion unit and the shaft upper section are provided with steps, the well chamber is also connected with a drainage water outlet flange connecting pipe and a drainage water inlet flange connecting pipe, the top of the shaft upper section is provided with a well cover, and a spiral stainless steel wire rope anti-falling net is arranged in the shaft upper section; all components of the drainage inspection well are made of corrosion-resistant stainless steel materials the same as those of a drainage pipeline. The utility model discloses all subassemblies of inspection shaft adopt the same corrosion-resistant type stainless steel with corrosivity industrial waste water drainage pipe, and fastening nature, the reliability of connecting are higher, and waste water leakage risk is lower, and is suitable for different burial depths and earthing load condition, and inspection shaft and drainage pipe constitute the corrosion-resistant drainage pipe network of integration, have a great deal of advantages such as strong adaptability, operation safe and reliable.
Description
Technical Field
The utility model relates to an integration combination formula corrosion-resistant type stainless steel finished product drainage inspection shaft mainly is applicable to the outdoor industrial waste water discharge system in the industrial factory scope, belongs to outdoor water supply and drainage engineering technical field.
Background
Drainage inspection wells are one of the most commonly used drainage structures in the field of water supply and drainage engineering. Generally, a drainage inspection well is a pipe network convergence junction for connecting an underground drainage pipeline of an industrial plant area and a wastewater treatment station of the industrial plant area, and is a workstation which is convenient for regularly inspecting, cleaning and dredging pipelines and preventing the pipelines from being blocked.
The conventional drainage inspection well is generally made of brick inspection wells, concrete inspection wells and plastic inspection wells, and structurally comprises an inspection well main body, a well cover and a support. For example, the national standard atlas sets ' drainage inspection well ' 02S515, prefabricated reinforced concrete drainage inspection well ' 05SS521, concrete module drainage inspection well ' 05SS522, building district plastic drainage inspection well ' 08SS523 and the like, the system is mainly used for general non-corrosive domestic production sewage drainage pipeline systems.
In practical engineering, especially in industrial wastewater drainage pipeline system engineering, industrial wastewater generally has corrosiveness, and pipeline burial depth and earthing load are great, and conventional drainage inspection wells are not suitable for the corrosive industrial wastewater working conditions, and have the following problems:
1. because of quality of water is corrosivity industrial waste water, materials such as conventional brick inspection shaft, concrete inspection shaft, plastics inspection shaft generally do not have corrosion resistance, and after waste water discharges and uses a period of time, the inspection shaft will be corroded the perforation by the severity, and waste water reveals from the inspection shaft, causes pollution groundwater and soil environment.
2. The corrosive industrial wastewater drainage pipeline needs to adopt a corrosion-resistant pipe, a corrosion-resistant stainless steel drainage pipeline is generally adopted in an area with deep burial and large earthing load, and the adopted corrosion-resistant stainless steel drainage pipeline is different from the joints of the conventional brick inspection well, the concrete inspection well and the plastic inspection well wall in material, so that the tightness of connection is low, the reliability is low, and the risk of wastewater leakage is high.
3. The covering range of industrial wastewater in an industrial factory is large, the drainage points of the wastewater are dispersed, so that the local area at the tail end of a wastewater drainage pipe network system is buried deeply and the earth covering load is large, and the earth covering load resisting capacity of a conventional brick inspection well, a concrete inspection well and a plastic inspection well cannot meet the requirement.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to improve the corrosion resistance and the connection fastening nature of drainage inspection shaft, reduce the risk that waste water was revealed, improve the anti earthing load capacity of drainage inspection shaft simultaneously.
In order to solve the technical problem, the technical scheme of the utility model provide an integration combination formula corrosion-resistant type stainless steel finished product drainage inspection shaft, its characterized in that: the well chamber, the lower section of the shaft, the shaft expansion unit and the inner wall of the upper section of the shaft are all provided with steps, the well chamber is also connected with a drainage water outlet flange connecting pipe and a drainage water inlet flange connecting pipe, the top of the upper section of the shaft is provided with a well cover, and the upper section of the shaft is internally provided with a spiral stainless steel wire rope anti-falling net; all components of the drainage inspection well are made of corrosion-resistant stainless steel materials the same as those of a drainage pipeline.
Preferably, the well chamber is connected with the lower section of the shaft, the drainage water outlet flange connecting pipe and the drainage water inlet flange connecting pipe through welding.
Preferably, the drainage water inlet flange connecting pipe is connected with an upstream drainage pipeline flange, and the drainage water outlet flange connecting pipe is connected with a downstream drainage pipeline flange.
Preferably, the lower part of the wellbore expansion unit is connected with the lower section of the wellbore through a flange, and the upper part of the wellbore expansion unit is connected with the upper section of the wellbore through a flange.
Preferably, the top end of the upper section of the shaft is welded with a bolt, and the well cover is connected with the upper section of the shaft through the bolt.
Preferably, the treads are welded to the inner wall of the well chamber, the lower section of the wellbore, the wellbore expansion unit, the upper section of the wellbore.
Preferably, the drainage water inlet flange connecting pipe is provided with two, one of the two is positioned on the same straight channel with the drainage water outlet flange connecting pipe, and the other forms an included angle of 90-135 degrees with the drainage water outlet flange connecting pipe.
Preferably, the lower edge of the drainage water inlet flange connecting pipe is higher than the lower edge of the drainage water outlet flange connecting pipe.
More preferably, the lower edge of the drainage water inlet flange connecting pipe is connected with the lower edge of the drainage water outlet flange connecting pipe through a stainless steel plate.
The utility model provides a device has overcome prior art's is not enough, and all subassemblies of inspection shaft adopt the same corrosion-resistant type stainless steel with corrosivity industrial waste water drainage pipe, and fastening nature, the reliability of connecting are higher, and waste water leakage risk is lower, and is suitable for different depths of burial and earthing load condition, and inspection shaft and drainage pipe constitute the corrosion-resistant drainage pipe network of integration, have a great deal of advantages such as strong adaptability, operation safe and reliable.
Drawings
Fig. 1 is a plan view of an integrated combined corrosion-resistant stainless steel finished drainage inspection well provided by the embodiment;
fig. 2 is a sectional view of the integrated combined corrosion-resistant stainless steel finished drainage inspection well provided by the embodiment;
FIG. 3 is a schematic view of a well bore section;
FIG. 4 is a schematic view of a wellbore expansion unit;
fig. 5 is a schematic view of an upper section of a wellbore.
Detailed Description
Fig. 1 and fig. 2 are schematic diagrams of an integrated combined corrosion-resistant stainless steel finished product drainage inspection well provided in this embodiment, and the integrated combined corrosion-resistant stainless steel finished product drainage inspection well is composed of a well chamber 1, a shaft lower section 2, a shaft extension unit 3, a shaft upper section 4, a drainage and water outlet flange joint pipe 5, a drainage and water inlet flange joint pipe 6, a well cover and support 7, a step 8, a spiral stainless steel wire rope anti-falling net 9, and the like.
The well chamber 1, the shaft lower section 2, the shaft extension unit 3 and the shaft upper section 4 are sequentially connected from bottom to top, the inner walls of the well chamber 1, the shaft lower section 2, the shaft extension unit 3 and the shaft upper section 4 are all provided with steps 8, the well chamber 1 is also connected with a water drainage and outlet flange connecting pipe 5 and a water drainage and inlet flange connecting pipe 6, the top of the shaft upper section 4 is provided with a well cover and a support 7, and the shaft upper section 4 is internally provided with a spiral stainless steel wire rope anti-falling net 9.
Corrosive industrial wastewater in the drainage system is drained to the well chamber 1 through the drainage water inlet flange connecting pipe 6 through the upstream drainage pipeline and is drained to the drainage pipeline at the lower part of the inspection well through the drainage water outlet flange connecting pipe 5.
The difference of the integrated combined corrosion-resistant stainless steel finished product drainage inspection well provided by the embodiment and the conventional inspection well lies in that:
1) all the components are made of corrosion-resistant stainless steel materials which are the same as those of the upstream and downstream drainage pipelines. According to the quality of wastewater and the stainless steel drainage pipeline selected by the wastewater, the corrosion-resistant stainless steel material which is the same as that of the drainage pipeline is selected as the material of all components of the inspection well, namely the corrosion-resistant stainless steel material which is the same as that of the drainage pipeline is selected as the material of all the components of the inspection well, and the corrosion resistance is realized.
2) The lower section 2 of the shaft, the drainage water outlet flange connecting pipe 5 and the drainage water inlet flange connecting pipe 6 are combined with the well chamber 1 into a whole by welding; with material welded connection, strengthened interface connection's fastening nature, reliability, reduced the risk nature that waste water reveals. The water discharging inlet and outlet connecting pipe is connected with the upstream and downstream water discharging pipeline flanges, and the installation and the maintenance are convenient.
3) The shaft extension unit 3 and the shaft upper section 4 are connected through flanges and also combined into a whole, the shaft extension unit 3 can be extended in a plurality of series connection modes, the shaft extension units are connected through flanges, the installation is convenient, and different burial depth soil covering load conditions can be met.
The shaft extension unit 3 is flanged to the lower shaft section 2.
4) The well lid and the support 7 are connected and combined into a whole through bolts welded on the upper section 4 of the shaft, and the installation and the maintenance are convenient.
The well chamber section is shown in fig. 3; the wellbore expansion unit is shown in fig. 4; the manhole cover and the support 7 are connected with the top end of the upper section 4 of the shaft through bolts, as shown in figure 5.
5) The spiral stainless steel wire rope made of the same material is adopted to prevent the falling net, the stainless steel step made of the same material meets the safety requirement and the corrosion resistance and durability requirement.
In the process of manufacturing the finished inspection well, the types of corrosion-resistant stainless steel materials of the drainage pipeline are selected according to a design drawing of a drainage pipeline network and the design drawing and are used as the material types of all components of the finished inspection well; according to parameters such as the diameter, elevation and quantity of water discharging and water inlet pipes of the inspection wells, pipeline buried depth and soil covering load (the maximum buried depth is less than or equal to 10m) and the like, components such as the diameter and wall thickness (the wall thickness is more than or equal to 6mm), the wall thickness (more than or equal to 6mm), the number of shaft extension units, the length of the upper part of the shaft, the shaft cover, a support and the like of each inspection well chamber are selected through mechanical structure calculation, the welded connection of the water discharging and water inlet flange connecting pipes and the well chambers, the welded connection of the well chambers and the lower part of the shaft, the welded connection of the steps and the shaft chambers, the flange connection of the shaft extension units and the upper and lower parts of the shaft, the bolted connection; the welding work of each part assembly can be completed in a finished product factory, and the flange connection and bolt connection work of the rest part assemblies are combined and installed on site to finally form the integrated combined corrosion-resistant stainless steel finished product inspection well.
The technical scheme provided by the utility model has stronger adaptability to drainage pipelines (DN 200-DN 1000) with different pipe diameters, different burial depths and earthing load conditions of corrosive industrial wastewater; the finished product inspection well is made of corrosion-resistant stainless steel materials which are the same as those of a corrosive industrial wastewater drainage pipeline, all components are combined into an integrated finished product drainage inspection well through various connection modes such as welding, flange connection, bolt connection and the like, the connection tightness and reliability are higher, and the risk of wastewater leakage is low; the finished product inspection well and the drainage pipeline form an integrated corrosion-resistant drainage pipe network, the operation is safe and reliable, and the integrated corrosion-resistant drainage pipe network has the advantages of convenience and rapidness in installation, short construction period and the like.
It should be understood that the terms of orientation of up, down, left, right, front, back, top, bottom, etc., referred to or may be referred to in this specification, are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed accordingly depending on the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
The foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the present invention in any way and in any way, and it should be understood that modifications and additions may be made by those skilled in the art without departing from the method of the present invention, and such modifications and additions are also considered to be within the scope of the present invention. Those skilled in the art can make various changes, modifications and evolutions equivalent to those made by the above-disclosed technical content without departing from the spirit and scope of the present invention, and all such changes, modifications and evolutions are equivalent embodiments of the present invention; meanwhile, any changes, modifications and evolutions of equivalent changes to the above embodiments according to the actual technology of the present invention are also within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides an integration combination formula corrosion-resistant type stainless steel finished product drainage inspection shaft which characterized in that: the device comprises a well chamber (1), a shaft lower section (2), a shaft expansion unit (3) and a shaft upper section (4) which are sequentially connected from bottom to top, wherein steps (8) are arranged on the inner walls of the well chamber (1), the shaft lower section (2), the shaft expansion unit (3) and the shaft upper section (4), the well chamber (1) is also connected with a drainage water outlet flange connecting pipe (5) and a drainage water inlet flange connecting pipe (6), a well cover is arranged on the top of the shaft upper section (4), and a spiral stainless steel wire rope anti-falling net (9) is arranged in the shaft upper section (4); all components of the drainage inspection well are made of corrosion-resistant stainless steel materials the same as those of a drainage pipeline.
2. The integrated combined corrosion-resistant stainless steel finished product drainage inspection well as defined in claim 1, wherein: the well chamber (1) is connected with the lower section (2) of the shaft, the drainage water outlet flange connecting pipe (5) and the drainage water inlet flange connecting pipe (6) through welding.
3. The integrated combined corrosion-resistant stainless steel finished product drainage inspection well as defined in claim 1 or 2, wherein: the drainage water inlet flange connecting pipe (6) is connected with an upstream drainage pipeline flange, and the drainage water outlet flange connecting pipe (5) is connected with a downstream drainage pipeline flange.
4. The integrated combined corrosion-resistant stainless steel finished product drainage inspection well as defined in claim 1, wherein: the lower part of the shaft expansion unit (3) is connected with the lower section (2) of the shaft through a flange, and the upper part of the shaft expansion unit (3) is connected with the upper section (4) of the shaft through a flange.
5. The integrated combined corrosion-resistant stainless steel finished product drainage inspection well as defined in claim 1, wherein: the plurality of shaft expansion units (3) are arranged, the shaft expansion units (3) are arranged in series, and adjacent shaft expansion units (3) are connected through flanges.
6. The integrated combined corrosion-resistant stainless steel finished product drainage inspection well as defined in claim 1, wherein: bolts are welded at the top ends of the sections (4) on the upper part of the shaft, and the well cover is connected with the sections (4) on the upper part of the shaft through the bolts.
7. The integrated combined corrosion-resistant stainless steel finished product drainage inspection well as defined in claim 1, wherein: the steps (8) are welded on the inner walls of the well chamber (1), the lower section (2) of the shaft, the shaft expansion unit (3) and the upper section (4) of the shaft.
8. The integrated combined corrosion-resistant stainless steel finished product drainage inspection well as defined in claim 1, wherein: two drainage water inlet flange connecting pipes (6) are arranged, one of the two flange connecting pipes is positioned on the same straight channel with the drainage water outlet flange connecting pipe (5), and the included angle between the other flange connecting pipe and the drainage water outlet flange connecting pipe (5) is 90-135 degrees.
9. The integrated combined corrosion-resistant stainless steel finished product drainage inspection well as defined in claim 1, wherein: the lower edge of the drainage water inlet flange connecting pipe (6) is higher than the lower edge of the drainage water outlet flange connecting pipe (5).
10. The integrated combined corrosion-resistant stainless steel finished product drainage inspection well of claim 9, wherein: the lower edge of the drainage water inlet flange connecting pipe (6) is connected with the lower edge of the drainage water outlet flange connecting pipe (5) through a stainless steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920228261.7U CN210032040U (en) | 2019-02-21 | 2019-02-21 | Integrated combined corrosion-resistant stainless steel finished product drainage inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920228261.7U CN210032040U (en) | 2019-02-21 | 2019-02-21 | Integrated combined corrosion-resistant stainless steel finished product drainage inspection well |
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| Publication Number | Publication Date |
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| CN210032040U true CN210032040U (en) | 2020-02-07 |
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| CN201920228261.7U Active CN210032040U (en) | 2019-02-21 | 2019-02-21 | Integrated combined corrosion-resistant stainless steel finished product drainage inspection well |
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