CN115897736A - Toilet caisson secondary drainage structure and construction process thereof - Google Patents
Toilet caisson secondary drainage structure and construction process thereof Download PDFInfo
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- CN115897736A CN115897736A CN202211444022.8A CN202211444022A CN115897736A CN 115897736 A CN115897736 A CN 115897736A CN 202211444022 A CN202211444022 A CN 202211444022A CN 115897736 A CN115897736 A CN 115897736A
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Abstract
The utility model belongs to the technical field of the technique of indoor drainage and specifically relates to a bathroom caisson secondary drainage structure and construction process thereof is related to, and it includes the bathroom body, the caisson pond has been seted up to the inside bottom surface of bathroom body, just the inside of bathroom body link up the externally mounted and has connect outer calandria, connect outer calandria to be the level setting, just connect the bottom position that outer calandria is located the bathroom body to be used for being linked together with the lateral wall in caisson pond, the bottom in caisson pond is filled and is provided with the stagnant water layer, the stagnant water layer is connected outer calandria department along the orientation and is slope setting downwards, just the jack has been seted up in the lateral wall correspondence in caisson pond, connect outer calandria and jack grafting cooperation. The application has the effect of reducing the deposition of water at the bottom of the toilet.
Description
Technical Field
The application relates to the technical field of indoor drainage, in particular to a secondary drainage structure of a toilet caisson and a construction process thereof.
Background
At present, waterproof layers are coated on the bottom and the wall surface of a toilet in drainage construction of the toilet, so that the toilet forms an independent decoupling strand with a waterproof effect, then sandy soil is filled below the floor of the toilet, and floor tiles are attached to the surface of the sandy soil layer after filling to finish installation and laying of the floor of the toilet.
In view of the above-mentioned related art, the inventor believes that the floor of the toilet may contain a large amount of water during use, the water may easily infiltrate into the bottom of the toilet through the gaps between the floor tiles, and the water may easily damage the bottom structure of the toilet after being deposited for a long time.
Disclosure of Invention
In order to reduce the deposition of toilet bottom water, the application provides a toilet caisson secondary drainage structure and a construction process thereof.
The application provides a bathroom caisson secondary drainage structure and construction process's following technical scheme:
first aspect, a bathroom caisson secondary drainage structures, including the bathroom body, the caisson pond has been seted up to the inside bottom surface of bathroom body, the caisson pond intussuseption is filled with haydite concrete filling layer, just the inside of bathroom body link up the externally mounted and connect outer calandria, connect outer calandria to be the level setting, just connect the bottom position that outer calandria is located the bathroom body to be used for being linked together with the lateral wall in caisson pond, the bottom filling in caisson pond is provided with the stagnant water layer, the stagnant water layer is along connecting outer calandria department and is slope downward setting, just the jack has been seted up in the lateral wall correspondence in caisson pond, connect outer calandria and jack grafting cooperation.
By adopting the technical scheme, the accumulated water permeating into the water stop layer through the gaps of the ceramsite concrete filling layer can be discharged along the position of the water stop layer facing the external discharge pipe, so that the water can be favorably reduced in the bottom water of the toilet.
Optionally, the inside of bathroom body runs through the externally mounted and has the blow off pipe, the blow off pipe stretches into in the caisson pond and is used for discharging sewage.
Optionally, a dirt scraping cylinder wheel is arranged in the sewage discharging pipe.
Through adopting above-mentioned technical scheme, scrape the setting of dirty section of thick bamboo wheel, can clear up the blow off pipe inside wall to reduce the piling up of blow off pipe inside wall spot.
Optionally, scrape dirty barrel wheel and be formed by two end rings and many connecting strips are fixed, it is the cavity setting to scrape dirty barrel wheel, many the both ends of connecting strip respectively with the lateral wall fixed connection of two end rings, and many the connecting strip is circumference along the axis of end ring and arranges the setting, the axial cross-section of connecting strip is the platykurtic setting, one side lateral wall of connecting strip stretches out and is used for contacting with the inside wall of blow off pipe outside the lateral wall of end ring.
Through adopting above-mentioned technical scheme, when sewage passes through the floor drain and gets into in the blow off pipe, sewage can flow through the position of connecting strip to make scrape dirty section of thick bamboo wheel and rotate and scrape the inner wall of blow off pipe through the connecting strip, can scrape the spot on the blow off pipe inside wall and fall, keep the clean of blow off pipe inside wall.
Optionally, the inner side wall circumference fixedly connected with of blow off pipe has a plurality of bumps.
Optionally, the drainage end of the drainage pipe is communicated with the outer drainage pipe through a three-way joint, the water outlet end of the three-way joint is connected with an S-elbow drainage pipe, the water outlet end of the S-elbow drainage pipe is connected with a main pipe, and the main pipe is vertically arranged.
Through adopting above-mentioned technical scheme, scraping dirty section of thick bamboo wheel pivoted in-process, the bump can be contacted to the connecting strip to make and scrape dirty section of thick bamboo wheel and produce at the pivoted in-process and rock and play the effect of beating to the inner wall of blow off pipe, not only can improve the inside clean effect of blow off pipe, enable also to make through beating and scrape the spot on the dirty section of thick bamboo wheel and drop and discharge along with sewage together.
Optionally, floor tiles are laid on the top of the ceramsite concrete filling layer, floor drains penetrate through the floor tiles, and the floor drains are fixedly connected with the water inlet ends of the sewage discharge pipes.
Optionally, a polyurethane waterproof coating layer is coated on the inner surface of the caisson tank and extends upwards to the side wall of the toilet body along the side wall of the caisson tank.
By adopting the technical scheme, the sealing performance of the caisson pool can be improved and the water seepage can be reduced due to the arrangement of the polyurethane waterproof coating layer.
Optionally, the surface of the outer tube receiving tube is sleeved with a water-swelling sealing rubber sleeve.
Through adopting above-mentioned technical scheme, meet water inflation sealing rubber sleeve and can meet water inflation to the clearance between butt joint outer calandria and the bathroom body is sealed and is filled, reduces the emergence of the condition of oozing the outflow.
In a second aspect, a construction process of a secondary drainage structure of a toilet caisson, which is applied to the secondary drainage structure of the toilet caisson, comprises the following steps:
the method comprises the following steps: building a toilet body, and reserving a space at the bottom of the toilet body;
step two: respectively sleeving water-swelling sealing rings on the outer sides of the sewage discharge pipe and the outer discharge pipe, and then installing the sewage discharge pipe and the outer discharge pipe on the side wall of the toilet body for fixing;
step three: a box settling tank is built at the bottom of the toilet body and is communicated with a sewage discharge pipe and an outer discharge pipe;
step four: filling polyurethane building sealant in a gap between the caisson tank and the outer drainage pipe;
step five: a drainage grid is arranged between the caisson tank and the outer drainage pipe;
step six: coating a polyurethane waterproof coating layer inside the caisson tank, wherein the polyurethane waterproof coating layer on the bottom surface of the caisson tank is obliquely arranged along one side facing the outward discharge pipe, the gradient is 1% -5%, and the polyurethane waterproof coating layer on the side surface of the caisson tank is coated towards the side wall of the toilet body and covers the joint;
step seven: filling a ceramsite concrete filling layer above the polyurethane waterproof coating layer;
step eight: paving floor tiles above the ceramsite concrete filling layer, reserving the position of a water inlet end of the sewage discharge pipe, and arranging the floor tiles obliquely downwards along one side of the sewage discharge pipe, which faces the water inlet end;
step nine: and a floor drain is arranged at the water inlet end of the sewage discharge pipe.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the accumulated water permeating into the water stopping layer through the gaps of the ceramsite concrete filling layer can be discharged towards the position of the external drainage pipe along the water stopping layer, so that the deposition of water at the bottom of the toilet is reduced;
2. the arrangement of the dirt scraping barrel wheel can clean the inner side wall of the sewage draining pipe, so that the accumulation of dirt on the inner side wall of the sewage draining pipe is reduced;
3. the arrangement of the polyurethane waterproof coating layer can improve the sealing property of the caisson pool and reduce water seepage;
4. the water-swelling sealing rubber sleeve can swell when meeting water, so that the gap between the outer pipe to be butted and the toilet body is sealed and filled, and the occurrence of the condition of water seepage outflow is reduced.
Drawings
Fig. 1 is a schematic view of an internal structure of a secondary drainage structure of a toilet caisson according to an embodiment of the present application.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Description of reference numerals:
1. a toilet body; 2. a caisson pool; 3. connecting an outer discharge pipe; 4. a water stopping layer; 5. a water-swellable sealing rubber sleeve; 6. a polyurethane waterproof coating layer; 7. a ceramsite concrete filling layer; 8. floor tiles; 9. a blow-off pipe; 10. a floor drain; 11. a three-way joint; 12. s, an elbow drain pipe; 13. a dirt scraping cylinder wheel; 131. an end ring; 132. a connecting strip; 14. and (4) bumps.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
In a first aspect, the embodiment of the application discloses a secondary drainage structure of a toilet caisson. Referring to fig. 1, a secondary drainage structure of a toilet caisson comprises a toilet body 1, the bottom surface of the interior of the toilet body 1 is provided with a caisson pool 2, and the interior of the toilet body 1 is communicated with the exterior and is provided with an outer discharge pipe 3. The outer discharge pipe 3 is horizontally arranged, and the bottom position of the outer discharge pipe 3 on the toilet body 1 is communicated with the side wall of the caisson tank 2. The underfill of caisson pond 2 is provided with stagnant water layer 4, and in this embodiment, stagnant water layer 4 adopts neoprene latex polymer waterproof mortar to make, can effectual stagnant water, and stagnant water layer 4's surface is smooth steady, easy shaping. Stagnant water layer 4 is the slope along the orientation and sets up downwards that connects outer ejector sleeve 3 department, and the lateral wall correspondence of caisson pond 2 has seted up the jack, connects outer ejector sleeve 3 and jack grafting cooperation to can be through connecting outer ejector sleeve 3 to collect the ponding that is located stagnant water layer 4 surfaces, in time discharge the ponding in caisson pond 2.
Referring to fig. 1, connect outer calandria 3's surface to cup joint and be provided with water-swelling sealing rubber sleeve 5, when ponding in caisson pond 2 passes through the jack infiltration and connects the clearance between outer calandria 3 and the bathroom body 1, water-swelling sealing rubber sleeve 5 can meet water-swelling to the clearance between butt joint outer calandria 3 and the bathroom body 1 is sealed to be filled, reduces the emergence of the condition of the outflow of seeping water.
Referring to fig. 1, the inner surface coating of caisson pool 2 is provided with polyurethane waterproof coating layer 6, and polyurethane waterproof coating layer 6 upwards extends to the lateral wall department of bathroom body 1 along the lateral wall of caisson pool 2 to can the junction of caisson pool 2 and bathroom body 1 cover sealedly, improve the whole leakproofness between bathroom body 1 and caisson pool 2.
Referring to fig. 1, a ceramsite concrete filling layer 7 is filled in the caisson 2, and floor tiles 8 are laid on the top of the ceramsite concrete filling layer 7.
Referring to fig. 1, the inside of bathroom body 1 runs through the externally mounted and has blow off pipe 9, and blow off pipe 9 with connect outer tub 3 to be the dislocation set, and blow off pipe 9 is located the top of connecing outer tub 3. One end of the sewage discharge pipe 9, which is positioned inside the toilet body 1, with the water inlet end penetrates into the ceramsite concrete filling layer 7 and upwards penetrates out of the surface of the floor tile 8, the water inlet end of the sewage discharge pipe 9 is connected with a floor drain 10, and the floor drain 10 is installed on the surface of the floor tile for draining water. Furthermore, the floor tiles 8 are arranged obliquely downwards towards the floor drain 10, so that water can be drained conveniently.
Referring to fig. 1, the drainage end of the drainage pipe 9 is communicated with the external drainage pipe 3 through a three-way joint 11. The water outlet end of the three-way joint 11 is connected with an S-shaped elbow drainage pipe 12, the water outlet end of the S-shaped elbow drainage pipe 12 is connected with a main pipe, the main pipe is vertically arranged, and the water outlet end of the S-shaped elbow drainage pipe 12 is fixed with the side wall of the main pipe and communicated with the interior of the main pipe. The S-shaped elbow drain pipe 12 can play a water sealing role and isolate gas in the main pipe.
Referring to fig. 1 and 2, a sewage scraping barrel wheel 13 is installed in the sewage discharging pipe 9, and the sewage scraping barrel wheel 13 is horizontally arranged in the sewage discharging pipe 9 and coaxially arranged with the sewage discharging pipe 9. The radius of the dirt scraping cylinder wheel 13 is smaller than the inner diameter of the sewage draining pipe 9. Specifically, the dirt scraping cylinder wheel 13 is formed by fixing two end rings 131 and a plurality of connecting strips 132. The dirt scraping cylinder wheel 13 is arranged in a hollow way. The two ends of the connecting bars 132 are respectively fixedly connected with the side walls of the two end rings 131. And a plurality of connection bars 132 are arranged in a circumferential direction along the axis of the end ring 131.
Referring to fig. 2, the axial section of the connecting strip 132 is flat, which is favorable for scraping the inner side wall of the sewage pipe 9. And the connection bars 132 are spirally arranged along the length direction. One side wall of the connection bar 132 is protruded outside the side wall of the end ring 131 to be in contact with the inner side wall of the soil pipe 9. When sewage enters the sewage discharge pipe 9 through the floor drain 10, the sewage can flow through the position of the connecting strip 132, so that the sewage scraping barrel wheel 13 rotates and scrapes the inner wall of the sewage discharge pipe 9 through the connecting strip 132, the stains on the inner side wall of the sewage discharge pipe 9 can be scraped, and the cleanness of the inner side wall of the sewage discharge pipe 9 is kept.
Referring to fig. 2, a plurality of salient points 14 are fixedly connected to the circumferential direction of the inner side wall of the sewage draining pipe 9, and the plurality of salient points 14 are arranged along the circumferential direction of the inner side wall of the sewage draining pipe 9. Scrape dirty section of thick bamboo wheel 13 pivoted in-process, connecting strip 132 can contact bump 14 to make and scrape dirty section of thick bamboo wheel 13 and produce at the pivoted in-process and rock and play the effect of beating to the inner wall of blow off pipe 9, not only can improve the inside clean effect to blow off pipe 9, enable also to make through beating to scrape the spot on dirty section of thick bamboo wheel 13 and drop and discharge along with sewage together.
The implementation principle of this application embodiment a bathroom caisson secondary drainage structures does:
when the blowdown, sewage can discharge in entering blow off pipe 9 through floor drain 10, when scraping dirty section of thick bamboo wheel 13 of flowing through, scrape dirty section of thick bamboo wheel 13 and can rotate and rock from top to bottom under the effect of bump 14 to strike the inside of blow off pipe 9, thereby play clear effect. And the seepage water on the floor tiles 8 flows through the ceramsite concrete filling layer 7 and finally enters the discharge pipe 3 under the guidance of the water stop layer 4 to be discharged, so that secondary drainage can be performed, the accumulated water in the caisson tank 2 is reduced, and the service life of the whole structure is prolonged.
In a second aspect, the application further discloses a construction process of the secondary drainage structure of the toilet caisson, which comprises the following steps:
the method comprises the following steps: a space is reserved at the bottom of a building toilet body 1 and at the bottom of the toilet body 1.
Step two: the outer side that connects outer calandria 3 and cup joints water-swelling sealing washer respectively at blow off pipe 9 to it is fixed to use glue to bond, then installs blow off pipe 9 and connect outer calandria 3 at the lateral wall of bathroom body 1 fixedly.
Step three: the bottom of the toilet body 1 is provided with a caisson tank 2 which is communicated with a sewage discharge pipe 9 and an outer discharge pipe 3.
Step four: and polyurethane building sealant is filled in the gap between the caisson tank 2 and the outer drainage pipe.
Step five: and a grid is arranged between the caisson tank 2 and the outer drainage pipe, and the grid is fixed by polyurethane building sealant.
Step six: at 2 inside coating polyurethane waterproof coating layers 6 in caisson pond, the polyurethane waterproof coating layers 6 that are located 2 bottom surfaces in caisson pond are along the orientation connect outer calandria 3 one side be the slope setting, the slope is 1% -5%, in this embodiment, preferred slope is 2%, the polyurethane waterproof coating layers 6 that are located 2 side surfaces in caisson pond are towards the lateral wall coating of bathroom body 1, polyurethane waterproof coating layers 6 is along 2 top surfaces in caisson pond towards the setting of 300mm of turning up of bathroom body 1 lateral wall. Further, a polyurethane waterproof coating layer 6 is coated to the position which is 100mm away from the outer discharge pipe 3 along the caisson tank 2. Thereby can utilize polyurethane waterproof coating layer 6 to carry out the integral seal to caisson pond 2 with connect the junction of outer discharge tube 3, when improving drainage smoothness nature, also can seal the clearance.
Step seven: and (3) filling a ceramsite concrete filling layer 7 above the polyurethane waterproof coating layer 6, covering by using geotextile, and periodically spraying water for curing during the curing period until the ceramsite concrete filling layer 7 is cured.
Step eight: paving floor tiles 8 above the ceramsite concrete filling layer 7, filling C20 fine aggregate concrete between the floor tiles 8 and the ceramsite concrete filling layer 7, reserving the water inlet end position of the sewage discharge pipe 9, and arranging the floor tiles 8 downwards along one side of the water inlet end of the sewage discharge pipe 9 in an inclined manner, wherein the gradient is set to be 1%.
Step nine: a floor drain 10 is arranged at the water inlet end of the sewage draining pipe 9.
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: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a bathroom caisson secondary drainage structures which characterized in that: including bathroom body (1), heavy case pond (2) have been seted up to the inside bottom surface of bathroom body (1), just the inside of bathroom body (1) link up the externally mounted and connect outer drain pipe (3), connect outer calandria (3) to be the level setting, just connect the bottom position that outer calandria (3) are located bathroom body (1) to be used for being linked together with the lateral wall of heavy case pond (2), the bottom packing of heavy case pond (2) is provided with stagnant water layer (4), stagnant water layer (4) are located to be slope downward setting along the orientation outer calandria (3), just the jack has been seted up to the lateral wall correspondence of heavy case pond (2), connect outer calandria (3) and jack grafting cooperation.
2. The secondary drainage structure of a toilet caisson according to claim 1, wherein: the inside of bathroom body (1) is run through the externally mounted and is had blow off pipe (9), blow off pipe (9) stretch into and sink and be used for discharging sewage in case pond (2).
3. The secondary drainage structure of a toilet caisson according to claim 2, wherein: a dirt scraping cylinder wheel (13) is arranged in the sewage discharging pipe (9).
4. The secondary drainage structure of a toilet caisson according to claim 3, wherein: scrape dirty section of thick bamboo wheel (13) and be formed by two end circle (131) and many connecting strip (132) are fixed, it is the cavity setting to scrape dirty section of thick bamboo wheel (13), many the both ends of connecting strip (132) respectively with the lateral wall fixed connection of two end circle (131), and many connecting strip (132) are circumference along the axis of end circle (131) and arrange the setting, the axial cross-section of connecting strip (132) is the platykurtic setting, one side lateral wall of connecting strip (132) stretches out and is used for contacting with the inside wall of blow off pipe (9) outside the lateral wall of end circle (131).
5. The secondary drainage structure of a toilet caisson according to claim 2, wherein: the inner side wall circumference fixedly connected with a plurality of bumps (14) of blow off pipe (9).
6. The secondary drainage structure of a toilet caisson according to claim 2, wherein: the drainage end of blow off pipe (9) is linked together through three way connection (11) with connecing outer drain pipe (3), the play water end of three way connection (11) is connected with S elbow drain pipe (12), the play water end of S elbow drain pipe (12) is connected with house steward, the house steward is vertical setting.
7. The secondary drainage structure of a toilet caisson according to claim 1, wherein: and a ceramsite concrete filling layer (7) is filled in the caisson tank (2), and floor tiles (8) are laid on the top of the ceramsite concrete filling layer (7).
8. The secondary drainage structure of a toilet caisson according to claim 1, wherein: the inner surface coating of caisson pond (2) is provided with polyurethane waterproof coating layer (6), just polyurethane waterproof coating layer (6) upwards extends to the lateral wall department of bathroom body (1) along the lateral wall of caisson pond (2).
9. The secondary drainage structure of a toilet caisson according to claim 1, wherein: the surface of the outer tube (3) is sleeved with a water-swelling sealing rubber sleeve (5).
10. A construction process of a secondary drainage structure of a toilet caisson, which is applied to the secondary drainage structure of the toilet caisson in claims 1-3, and is characterized by comprising the following steps:
the method comprises the following steps: building a toilet body (1), and reserving a space at the bottom of the toilet body (1);
step two: the outer sides of the sewage discharge pipe (9) and the outer discharge pipe (3) are respectively sleeved with a water-swelling sealing ring, and then the sewage discharge pipe (9) and the outer discharge pipe (3) are arranged on the side wall of the toilet body (1) and fixed;
step three: a box settling tank (2) is built at the bottom of the toilet body (1) and is communicated with a sewage discharge pipe (9) and an external discharge pipe (3);
step four: polyurethane building sealant is filled in a gap between the caisson tank (2) and the outer drainage pipe;
step five: a drainage grid is arranged between the caisson tank (2) and the outer drainage pipe;
step six: the interior of the caisson tank (2) is coated with a polyurethane waterproof coating layer (6), the polyurethane waterproof coating layer (6) on the bottom surface of the caisson tank (2) is obliquely arranged along one side facing the external discharge pipe (3), the gradient is 1-5%, and the polyurethane waterproof coating layer (6) on the side surface of the caisson tank (2) is coated towards the side wall of the toilet body (1) and covers the connection part;
step seven: a ceramsite concrete filling layer (7) is filled above the polyurethane waterproof coating layer (6);
step eight: paving floor tiles (8) above the ceramsite concrete filling layer (7), reserving the water inlet end of the sewage discharge pipe (9), and arranging the floor tiles (8) downwards along one side of the water inlet end facing the sewage discharge pipe (9) in an inclined manner;
step nine: a floor drain (10) is arranged at the water inlet end of the sewage discharge pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211444022.8A CN115897736A (en) | 2022-11-18 | 2022-11-18 | Toilet caisson secondary drainage structure and construction process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211444022.8A CN115897736A (en) | 2022-11-18 | 2022-11-18 | Toilet caisson secondary drainage structure and construction process thereof |
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| CN115897736A true CN115897736A (en) | 2023-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211444022.8A Pending CN115897736A (en) | 2022-11-18 | 2022-11-18 | Toilet caisson secondary drainage structure and construction process thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204282456U (en) * | 2014-11-17 | 2015-04-22 | 广州城建开发设计院有限公司 | A kind of caisson of toilet structure being beneficial to draining |
| CN108643288A (en) * | 2018-05-31 | 2018-10-12 | 中国建筑第六工程局有限公司 | A kind of subsided rest room secondary drainage waterproof system |
| CN209188142U (en) * | 2018-12-04 | 2019-08-02 | 九江东盛机械制造有限公司 | A kind of single-effect external circulation vacuum concentration recover |
| CN110984308A (en) * | 2019-11-19 | 2020-04-10 | 上海宝冶集团有限公司 | Anti-leakage process for removing deposited water in toilet |
| JP2021070976A (en) * | 2019-10-31 | 2021-05-06 | 吉佳エンジニアリング株式会社 | Pipeline washing system and pipeline washing method |
| CN217081722U (en) * | 2022-04-08 | 2022-07-29 | 成都红泰塑胶管业有限公司 | PVC blow-off pipe |
| CN217811387U (en) * | 2022-06-10 | 2022-11-15 | 广州城建开发设计院有限公司 | Anti-blocking structure of toilet trap |
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2022
- 2022-11-18 CN CN202211444022.8A patent/CN115897736A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204282456U (en) * | 2014-11-17 | 2015-04-22 | 广州城建开发设计院有限公司 | A kind of caisson of toilet structure being beneficial to draining |
| CN108643288A (en) * | 2018-05-31 | 2018-10-12 | 中国建筑第六工程局有限公司 | A kind of subsided rest room secondary drainage waterproof system |
| CN209188142U (en) * | 2018-12-04 | 2019-08-02 | 九江东盛机械制造有限公司 | A kind of single-effect external circulation vacuum concentration recover |
| JP2021070976A (en) * | 2019-10-31 | 2021-05-06 | 吉佳エンジニアリング株式会社 | Pipeline washing system and pipeline washing method |
| CN110984308A (en) * | 2019-11-19 | 2020-04-10 | 上海宝冶集团有限公司 | Anti-leakage process for removing deposited water in toilet |
| CN217081722U (en) * | 2022-04-08 | 2022-07-29 | 成都红泰塑胶管业有限公司 | PVC blow-off pipe |
| CN217811387U (en) * | 2022-06-10 | 2022-11-15 | 广州城建开发设计院有限公司 | Anti-blocking structure of toilet trap |
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