CN112726795A - Wear-resistant and compression-resistant light cellar well lid and preparation method thereof - Google Patents
Wear-resistant and compression-resistant light cellar well lid and preparation method thereof Download PDFInfo
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- CN112726795A CN112726795A CN202011573932.7A CN202011573932A CN112726795A CN 112726795 A CN112726795 A CN 112726795A CN 202011573932 A CN202011573932 A CN 202011573932A CN 112726795 A CN112726795 A CN 112726795A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/345—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using matched moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
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- Hydrology & Water Resources (AREA)
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Abstract
The invention relates to the technical field of pit covers, in particular to a wear-resistant and compression-resistant light pit cover and a preparation method thereof, wherein the pit cover comprises a pit cover body and a clamping rod fixedly arranged on the side surface of the pit cover body, and the clamping rod is used for clamping with a pit opening to fix the pit cover; a plurality of filter pipes which are arranged in parallel are arranged in the cellar well cover body, and drain bar holes are formed between the filter pipes and the cellar well cover body and between two adjacent filter pipes; the side of cellar for storing things well lid body is provided with the well lid curb plate, the both ends opening of strainer just the opening rigid coupling is in on the well lid curb plate, the all edges around of cellar for storing things well lid body with leave into the basin between the cellar for storing things well head edge for make water follow go into the basin process the opening flows in the strainer. Compared with the prior art, the wear-resistant pressure-resistant light cellar well cover provided by the invention can effectively filter dust; when the precipitation is higher, the water can be effectively drained.
Description
Technical Field
The invention relates to the technical field of pit covers, in particular to a wear-resistant and compression-resistant light pit cover and a preparation method thereof.
Background
The cellar well cover is the most commonly used equipment in urban road drainage systems and is used for draining rainwater into a drainage system through the cellar well cover. However, in daily drainage, a lot of dust automatically falls into the drainage system, and the dust is accumulated to a large extent, so that the drainage system is blocked over time, and drainage is not smooth. Therefore, there is a strong need in the art for manhole covers that can filter dust.
Moreover, as the well cover is subjected to various storms and solarization and sewage erosion all the year round, the high requirements on the acid and alkali resistance, the temperature resistance, the mechanical property, the friction resistance and the like of the well cover are provided. However, at present, the pit covers produced in the market have low strength, weak wear resistance, acid resistance and alkali resistance, short service life and weak comprehensive mechanical property.
Disclosure of Invention
The invention aims to overcome the defect that a cellar well cover in the prior art cannot effectively filter dust, and provides a wear-resistant pressure-resistant light cellar well cover and a preparation method thereof.
In order to achieve the above object, the invention provides a wear-resistant pressure-resistant light cellar well lid, which comprises a cellar well lid body 2 and a clamping rod 3 fixedly arranged on the side surface of the cellar well lid body 2, wherein the clamping rod 3 is used for clamping with a cellar well mouth 1 to fix the cellar well lid; a plurality of water filter pipes 4 which are arranged in parallel are arranged in the cellar well cover body 2, and water drainage strip holes 201 are formed between the water filter pipes 4 and the cellar well cover body 2 and between two adjacent water filter pipes 4;
a well cover side plate 202 is arranged on the side surface of the cellar well cover body 2, openings 203 are formed in two ends of the strainer pipe 4, the openings 203 are fixedly connected to the well cover side plate 202, and a water inlet groove 101 is reserved between the peripheral edge of the cellar well cover body 2 and the edge of the cellar well mouth 1 and used for enabling water to flow into the strainer pipe 4 from the water inlet groove 101 through the openings 203;
the upper half cylinder of the strainer 4 is respectively provided with water outlets along the axial direction and the radial direction so as to facilitate the water flowing into the strainer 4 to flow out;
the wear-resistant pressure-resistant light cellar well lid comprises the following components in parts by weight: epoxy resin composite material, active calcium and curing agent; relative to 100 parts by weight of the epoxy resin composite material, the content of the active calcium is 6-12 parts by weight, and the content of the curing agent is 23-38 parts by weight;
the epoxy resin composite material has a core-shell structure, takes carbon fiber waste as a core and takes epoxy resin as a shell; in the epoxy resin composite material, the content of the carbon fiber waste is 85-95 wt%, and the content of the epoxy resin is 5-15 wt%.
Preferably, the water outlets include a first water outlet 401 and a second water outlet 402, and the aperture of the first water outlet 401 is larger than that of the second water outlet 402.
Preferably, the aperture of the second water outlet 402 is 2/3 of the aperture of the first water outlet 401.
Preferably, the width of the weep hole 201 is 1/3 to 1/4 of the diameter of the drainpipe 4.
Preferably, in the epoxy resin composite material, the content of the carbon fiber waste is 90-92 wt%, and the content of the epoxy resin is 8-10 wt%.
Preferably, the content of the active calcium is 6 to 10 parts by weight and the content of the curing agent is 23 to 30 parts by weight with respect to 100 parts by weight of the epoxy resin composite material.
The second aspect of the invention provides a preparation method of the wear-resistant pressure-resistant light cellar well lid, which comprises the following steps:
(1) pre-crushing carbon fiber waste to obtain crushed materials, mixing and stirring the crushed materials and epoxy resin for 10-25min, and then drying to obtain an epoxy resin composite material;
(2) crushing the epoxy resin composite material, mixing with active calcium for 5-10min, and then mixing with a curing agent for 5-10min to obtain a mixture; carrying out hot press molding on the mixture to form the wear-resistant pressure-resistant light cellar well lid;
wear-resisting resistance to compression light cellar for storing things well lid has as follows structure:
the pit cover comprises a pit cover body 2 and a clamping rod 3 fixedly arranged on the side surface of the pit cover body 2, wherein the clamping rod 3 is used for being clamped with a pit mouth 1 to fix a pit cover; a plurality of water filter pipes 4 which are arranged in parallel are arranged in the cellar well cover body 2, and water drainage strip holes 201 are formed between the water filter pipes 4 and the cellar well cover body 2 and between two adjacent water filter pipes 4;
a well cover side plate 202 is arranged on the side surface of the cellar well cover body 2, openings 203 are formed in two ends of the strainer pipe 4, the openings 203 are fixedly connected to the well cover side plate 202, and a water inlet groove 101 is reserved between the peripheral edge of the cellar well cover body 2 and the edge of the cellar well mouth 1 and used for enabling water to flow into the strainer pipe 4 from the water inlet groove 101 through the openings 203;
and water outlets are respectively formed in the upper half cylinder of the strainer 4 along the axial direction and the radial direction of the strainer so that water flowing into the strainer 4 flows out.
Preferably, the pre-crushing is such that the chaff length is 1-8 cm.
Preferably, the temperature of drying is 70-80 ℃.
Preferably, the conditions of the hot pressing include: the hot pressing temperature is 170 ℃ and 250 ℃, and the hot pressing time is 8-20 min.
Compared with the prior art, the wear-resistant pressure-resistant light cellar well lid has the specific structure, when the precipitation is low, water can be filtered through the water outlet on the upper semi-cylinder of the water filtering pipe, dust is left in the lower semi-cylinder through self weight, and after a certain time, a cleaner cleans the water, so that the dust can be effectively filtered; when the precipitation is high, water partially flows into the cellar well from the water filter pipe, and partially flows into the cellar well from the water drainage bar hole; the wear-resistant pressure-resistant light cellar well lid provided by the invention adopts the specific formula and is matched with the specific structure, so that the light cellar well lid is light in weight and good in comprehensive performances such as wear resistance, pressure resistance and the like. The preparation method of the environment-friendly epoxy resin cellar well cover can prepare the specific cellar well cover, and has the advantages of simple process and low cost; has good economic benefit.
Drawings
FIG. 1 is a front view of the wear and pressure resistant lightweight manhole cover of the present invention;
fig. 2 is a view of the manhole cover body of fig. 1 taken in the direction of a.
Description of the reference numerals
1-cellar wellhead 2-cellar well cover body 3-clamping rod
4-water filter pipe
101-water inlet groove 201-water drainage strip hole 202-well cover side plate
203-inlet 401-first outlet 402-second outlet
Detailed Description
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
The invention provides a wear-resistant pressure-resistant light cellar well lid, as shown in fig. 1 and 2, the cellar well lid comprises a cellar well lid body 2 and a clamping rod 3 fixedly arranged on the side surface of the cellar well lid body 2, wherein the clamping rod 3 is used for being clamped with a cellar well mouth 1 to fix the cellar well lid; a plurality of water filter pipes 4 which are arranged in parallel are arranged in the cellar well cover body 2, and water drainage strip holes 201 are formed between the water filter pipes 4 and the cellar well cover body 2 and between two adjacent water filter pipes 4;
a well cover side plate 202 is arranged on the side surface of the cellar well cover body 2, openings 203 are formed in two ends of the strainer pipe 4, the openings 203 are fixedly connected to the well cover side plate 202, and a water inlet groove 101 is reserved between the peripheral edge of the cellar well cover body 2 and the edge of the cellar well mouth 1 and used for enabling water to flow into the strainer pipe 4 from the water inlet groove 101 through the openings 203;
and water outlets are respectively formed in the upper half cylinder of the strainer 4 along the axial direction and the radial direction of the strainer so that water flowing into the strainer 4 flows out.
In the invention, preferably, the wear-resistant pressure-resistant light cellar well lid comprises the following components in parts by weight: epoxy resin composite material, active calcium and curing agent; relative to 100 parts by weight of the epoxy resin composite material, the content of the active calcium is 6-12 parts by weight, and the content of the curing agent is 23-38 parts by weight;
the epoxy resin composite material has a core-shell structure, takes carbon fiber waste as a core and takes epoxy resin as a shell; in the epoxy resin composite material, the content of the carbon fiber waste is 85-95 wt%, and the content of the epoxy resin is 5-15 wt%.
According to the present invention, preferably, the water outlets include a first water outlet 401 and a second water outlet 402, and the aperture of the first water outlet 401 is larger than that of the second water outlet 402. Under this preferred scheme, more do benefit to when rivers are more urgent, avoid out water too much or too anxious and the spill influences the pedestrian or influences the drainage effect for the comparatively flow direction of mitigateing of water sluices a hole 201, thereby gets into the sewer of cellar for storing things well.
More preferably, the aperture of the second water outlet 402 is 2/3 of the aperture of the first water outlet 401. The inventor researches and discovers that the preferable scheme is more beneficial to the water to flow from the strainer 4 to the drain bar holes 201 so as to enter the sewer of the cellar well.
According to the present invention, it is preferable that the width of the water drainage bar hole 201 is 1/3 to 1/4 of the diameter of the drainpipe 4. Under the preferable scheme, impurities such as dust in water can be further effectively filtered; and simultaneously, the effective water drainage when the precipitation is large is met.
According to the present invention, preferably, the content of the carbon fiber waste in the epoxy resin composite material is 90 to 92 wt%, and the content of the epoxy resin is 8 to 10 wt%.
According to the present invention, it is preferable that the content of the active calcium is 6 to 10 parts by weight and the content of the curing agent is 23 to 30 parts by weight with respect to 100 parts by weight of the epoxy resin composite material.
In the present invention, the source of the carbon fiber waste is not limited at all, and the carbon fiber waste may be fibrous or may be broken into fibrous form; for example, it may be recycled carbon fiber waste. In the present invention, the curing agent is not limited as long as it is an epoxy resin curing agent, for example, 593 epoxy resin curing agent available from Wuxi Yehao chemical Co.
The wear-resistant and compression-resistant light cellar well lid provided by the invention fully utilizes carbon fiber waste materials, adopts the epoxy resin composite material with a specific structure, and has the advantages of low epoxy resin consumption, high strength, light weight, strong wear resistance, acid and alkali resistance, long service life and good comprehensive mechanical property by matching with other technical characteristics.
Compared with the prior art, the wear-resistant pressure-resistant light cellar well lid has the specific structure, when the precipitation is low, water can be filtered through the water outlet on the upper semi-cylinder of the water filtering pipe, dust is left in the lower semi-cylinder through self weight, and after a certain time, a cleaner cleans the water, so that the dust can be effectively filtered; when the precipitation is high, water partially flows into the cellar well from the water filter pipe, and partially flows into the cellar well from the water drainage bar hole; the wear-resistant pressure-resistant light cellar well lid provided by the invention adopts the specific formula and is matched with the specific structure, so that the light cellar well lid is light in weight and good in comprehensive performances such as wear resistance, pressure resistance and the like.
The invention provides a second aspect of the preparation method of the wear-resistant and pressure-resistant light cellar well lid, which comprises the following steps:
(1) pre-crushing carbon fiber waste to obtain crushed materials, mixing and stirring the crushed materials and epoxy resin for 10-25min, and then drying to obtain an epoxy resin composite material;
(2) crushing the epoxy resin composite material, mixing with active calcium for 5-10min, and then mixing with a curing agent for 5-10min to obtain a mixture; and carrying out hot-press molding on the mixture to form the wear-resistant and pressure-resistant light cellar well lid.
Preferably, wear-resisting resistance to compression light cellar for storing things well lid has following structure:
the pit cover comprises a pit cover body 2 and a clamping rod 3 fixedly arranged on the side surface of the pit cover body 2, wherein the clamping rod 3 is used for being clamped with a pit mouth 1 to fix a pit cover; a plurality of water filter pipes 4 which are arranged in parallel are arranged in the cellar well cover body 2, and water drainage strip holes 201 are formed between the water filter pipes 4 and the cellar well cover body 2 and between two adjacent water filter pipes 4;
a well cover side plate 202 is arranged on the side surface of the cellar well cover body 2, openings 203 are formed in two ends of the strainer pipe 4, the openings 203 are fixedly connected to the well cover side plate 202, and a water inlet groove 101 is reserved between the peripheral edge of the cellar well cover body 2 and the edge of the cellar well mouth 1 and used for enabling water to flow into the strainer pipe 4 from the water inlet groove 101 through the openings 203;
and water outlets are respectively formed in the upper half cylinder of the strainer 4 along the axial direction and the radial direction of the strainer so that water flowing into the strainer 4 flows out.
In the invention, the forming mode is not limited at all, and any means commonly used in the field can be used as long as the wear-resistant and pressure-resistant light manhole cover with the required structure can be obtained.
The structure of the wear-resistant pressure-resistant light cellar well lid in the second aspect of the invention is the same as that of the wear-resistant pressure-resistant light cellar well lid in the first aspect, and the description is omitted.
According to the invention, preferably, the pre-crushing is such that the chaff length is between 1 and 8 cm.
According to the present invention, preferably, the temperature of the drying is 70 to 80 ℃.
According to the present invention, preferably, the conditions of the hot pressing include: the hot pressing temperature is 170 ℃ and 250 ℃, and the hot pressing time is 8-20 min.
The present invention will be described in detail below by way of examples.
Example 1
(1) Pre-crushing the carbon fiber waste to obtain crushed materials, wherein the length of the crushed materials is 4-7cm through pre-crushing; mixing and stirring the crushed materials and epoxy resin (purchased from Hebei Zewan anticorrosive materials Co., Ltd.) for 15min, and then drying at 70 ℃ to obtain an epoxy resin composite material;
(2) crushing the epoxy resin composite material, mixing with active calcium (purchased from Changhua Yang plastic material Co., Ltd.) for 5-10min, and then mixing with a curing agent (593 epoxy resin curing agent purchased from Wuxi Xin Yehao chemical Co., Ltd.) for 8min to obtain a mixture; and carrying out hot press molding on the mixture to obtain the wear-resistant and pressure-resistant light cellar well lid with the structure shown in the figures 1 and 2. The raw material amounts and process parameters in the above process are shown in table 1.
The use process of the wear-resistant pressure-resistant light cellar well lid is shown in fig. 1 and fig. 2, water flows through the water inlet 203 of the well lid side plate 202 from the water inlet groove 101, enters the water strainer 4, then flows out of the first water outlet 401 and the second water outlet 402 on the upper half cylinder of the water strainer 4, and then enters the drain strip hole 201 to flow into the sewer of the cellar well. In the above process, under general conditions, the water volume is less, the water flow is slower, and impurities such as dust in water can be naturally precipitated in the lower half-cylinder of the strainer 4, so that the impurities such as dust can be effectively filtered. When the water amount is large, part of the water flows out from the water outlet of the water filter pipe 4, and part of the water flows into the water tank 101 and directly flows into a sewer of the cellar well from the water drainage strip hole 201; thereby achieving the purpose of timely draining water when water is required to be drained.
Examples 2 to 3
The procedure is as in example 1, except that the amounts of the starting materials and the process parameters indicated in Table 1 are used.
Examples 4 to 5
The procedure is as in example 1, except that the amounts of the starting materials and the process parameters indicated in Table 1 are used.
TABLE 1
Wherein the amount of the active calcium and the amount of the curing agent are both amounts relative to 100 parts by weight of the epoxy resin composite.
Comparative example 1
The procedure of example 1 was followed except that all the raw materials (i.e., epoxy resin, carbon fiber waste, activated calcium, curing agent) were directly mixed for 20min, and then the hot press molding was performed.
Test example
The manhole covers obtained in examples 1 to 5 and comparative example 1 were tested for abrasion resistance and compressive strength according to DLT 5207-2005; the results are shown in Table 2.
TABLE 2
| Example numbering | Abrasion resistance strength (h/(kg/square meter) | Compressive strength (Mpa) |
| Example 1 | 16.6 | 78.2 |
| Example 2 | 16.8 | 78.4 |
| Example 3 | 16.3 | 77.9 |
| Example 4 | 15.2 | 74.1 |
| Example 5 | 15.8 | 74.5 |
| Comparative example 1 | 11.5 | 65.2 |
As can be seen from the results of table 1, the examples according to the present invention have significantly better effects.
The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.
Claims (10)
1. A wear-resistant pressure-resistant light cellar well lid comprises a cellar well lid body (2) and a clamping rod (3) fixedly arranged on the side face of the cellar well lid body (2), wherein the clamping rod (3) is used for being clamped with a cellar well mouth (1) to fix the cellar well lid; a plurality of water filter pipes (4) which are arranged in parallel are arranged in the cellar well lid body (2), and drainage strip holes (201) are formed between the water filter pipes (4) and the cellar well lid body (2) and between two adjacent water filter pipes (4);
a well cover side plate (202) is arranged on the side face of the cellar well cover body (2), openings (203) are formed in two ends of the water filtering pipe (4), the openings (203) are fixedly connected to the well cover side plate (202), a water inlet groove (101) is reserved between the edge of the cellar well cover body (2) and the edge of the cellar well mouth (1) and used for enabling water to flow into the water filtering pipe (4) from the water inlet groove (101) through the openings (203);
the upper half cylinder of the strainer (4) is respectively provided with water outlets along the axial direction and the radial direction so as to facilitate the water flowing into the strainer (4) to flow out;
the wear-resistant pressure-resistant light cellar well lid comprises the following components in parts by weight: epoxy resin composite material, active calcium and curing agent; relative to 100 parts by weight of the epoxy resin composite material, the content of the active calcium is 6-12 parts by weight, and the content of the curing agent is 23-38 parts by weight;
the epoxy resin composite material has a core-shell structure, takes carbon fiber waste as a core and takes epoxy resin as a shell; in the epoxy resin composite material, the content of the carbon fiber waste is 85-95 wt%, and the content of the epoxy resin is 5-15 wt%.
2. The wear-resistant pressure-resistant light cellar well lid as claimed in claim 1, wherein the water outlet comprises a first water outlet (401) and a second water outlet (402), and the diameter of the first water outlet (401) is larger than that of the second water outlet (402).
3. The wear-resistant pressure-resistant light cellar well lid as claimed in claim 2, wherein the aperture of the second water outlet (402) is 2/3 of the aperture of the first water outlet (401).
4. The wear-resistant pressure-resistant light cellar well lid as claimed in claim 1, wherein the width of the drain bar hole (201) is 1/3 to 1/4 of the diameter of the strainer (4).
5. The wear-resistant and pressure-resistant light cellar well lid of claim 1, wherein the content of the carbon fiber waste material in the epoxy resin composite material is 90-92 wt%, and the content of the epoxy resin is 8-10 wt%.
6. The wear-resistant and pressure-resistant light cellar well lid of claim 1, wherein the content of the active calcium is 6-10 parts by weight and the content of the curing agent is 23-30 parts by weight with respect to 100 parts by weight of the epoxy resin composite material.
7. The method for preparing the wear-resistant and pressure-resistant light cellar well lid of any one of claims 1-6, which comprises the following steps:
(1) pre-crushing carbon fiber waste to obtain crushed materials, mixing and stirring the crushed materials and epoxy resin for 10-25min, and then drying to obtain an epoxy resin composite material;
(2) crushing the epoxy resin composite material, mixing with active calcium for 5-10min, and then mixing with a curing agent for 5-10min to obtain a mixture; carrying out hot press molding on the mixture to form the wear-resistant pressure-resistant light cellar well lid;
wear-resisting resistance to compression light cellar for storing things well lid has as follows structure:
the manhole cover comprises a manhole cover body (2) and a clamping rod (3) fixedly arranged on the side face of the manhole cover body (2), wherein the clamping rod (3) is used for clamping with a manhole mouth (1) to fix the manhole cover; a plurality of water filter pipes (4) which are arranged in parallel are arranged in the cellar well lid body (2), and drainage strip holes (201) are formed between the water filter pipes (4) and the cellar well lid body (2) and between two adjacent water filter pipes (4);
a well cover side plate (202) is arranged on the side face of the cellar well cover body (2), openings (203) are formed in two ends of the water filtering pipe (4), the openings (203) are fixedly connected to the well cover side plate (202), a water inlet groove (101) is reserved between the edge of the cellar well cover body (2) and the edge of the cellar well mouth (1) and used for enabling water to flow into the water filtering pipe (4) from the water inlet groove (101) through the openings (203);
and water outlets are respectively formed in the upper half cylinder of the strainer (4) along the axial direction and the radial direction of the strainer so that water flowing into the strainer (4) flows out.
8. The method of claim 7, wherein the pre-crushing results in chaff lengths of 1-8 cm.
9. The method of claim 7 or 8, wherein the temperature of the drying is 70-80 ℃.
10. The method of claim 7, wherein the conditions of the hot pressing comprise: the hot pressing temperature is 170 ℃ and 250 ℃, and the hot pressing time is 8-20 min.
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| CN110527250A (en) * | 2019-07-25 | 2019-12-03 | 王小军 | A kind of epoxy resin cellar well lid and preparation method thereof using post-consumer glass fiber |
| CN210358067U (en) * | 2019-04-12 | 2020-04-21 | 宁波传奇农业科技有限公司 | Soybean edulcoration device |
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| US20080014021A1 (en) * | 2006-01-20 | 2008-01-17 | Flury Ronald J | Storm drain basin gate system |
| CN207484629U (en) * | 2018-01-11 | 2018-06-12 | 上海墨刻景观工程有限公司 | A kind of sponge urban ecology grass planting ditch |
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| CN210358067U (en) * | 2019-04-12 | 2020-04-21 | 宁波传奇农业科技有限公司 | Soybean edulcoration device |
| CN110409601A (en) * | 2019-07-10 | 2019-11-05 | 房慧旺 | A kind of municipal administration gardens filtering drainage arrangement |
| CN110527250A (en) * | 2019-07-25 | 2019-12-03 | 王小军 | A kind of epoxy resin cellar well lid and preparation method thereof using post-consumer glass fiber |
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