Drainage water tank capable of preventing sludge accumulation
By using a sloping bottom plate and baffle structure in the drainage tank, combined with flushing and blowing devices, the clogging problem caused by sludge deposition during wet dust removal is solved, achieving efficient automatic sludge discharge and stable operation of the tank.
Patent Information
- Application Number
- CN202520389067.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-06
AI Technical Summary
During wet dust removal, sludge accumulates in the drainage tank, causing scaling and blockage, which affects the normal operation of the tank.
Design a sludge-proof drainage tank with an inclined bottom plate and baffle structure, so that particulate matter in sewage settles and collects in the sludge collection hopper under the action of gravity. Combined with flushing and blowing devices, it promotes the automatic discharge of sludge.
It effectively separates particulate matter from sewage, improves sludge removal efficiency, avoids tank blockage, and ensures long-term stable operation of the tank.
Smart Images
Figure CN223887482U_ABST
Abstract
Description
Technical Field
[0001] This application belongs to the technical field of wet dust removal equipment, and in particular relates to a sludge-proof drainage tank for the discharge of dust removal wastewater. Background Technology
[0002] In the field of wet dust removal, wastewater discharge often involves the use of drainage tanks. After the dust-laden gas is washed, a large number of dust particles are captured in the water, resulting in a high dust content and the formation of sludge. If the sludge accumulates in the drainage tank and cannot be discharged in time, it will cause scale buildup and blockage.
[0003] Therefore, a sludge-proof drainage tank is provided to solve the technical problems that urgently need to be addressed, such as scale buildup in the tank and pipe blockage. Utility Model Content
[0004] To address at least one of the aforementioned technical problems in the prior art, this application provides an anti-sludge drainage tank.
[0005] The technical solution adopted in this application embodiment is: a mud-proof drainage tank, comprising:
[0006] The box body includes a sloping bottom plate that gradually slopes downward from a first side to a second side opposite to the first side, and a mud collection hopper is provided at the lowest end of the sloping bottom plate;
[0007] A sewage inlet pipe is located on the first side of the tank and is used to feed sewage into the tank.
[0008] A baffle is disposed inside the box and has gaps between itself and the inclined bottom plate and the top surface of the box. The baffle is used to divide the space inside the box into multiple partitions in the direction from the first side to the second side.
[0009] An overflow pipe is provided on the second side of the housing and is located near the upper part of the housing.
[0010] In some embodiments, the box body is provided with a plurality of baffles, which are arranged sequentially along the direction from the first side of the box body to the second side of the box body.
[0011] In some embodiments, the tops of the multiple baffles are flush, and the height of their tops is higher than that of the overflow pipe; the bottoms of the multiple baffles are equidistant from the inclined bottom plate.
[0012] In some embodiments, the lowest end of the inclined bottom plate is formed by the third side of the box body and the fourth side opposite to the third side converging towards the middle and tilting downwards to form a conical mud collection hopper; wherein the first side, the third side, the second side and the fourth side are connected in sequence to form a circumferential structure of the box body, and the inclined bottom plate is located at the bottom end of the circumferential structure.
[0013] In some embodiments, the anti-sludge drainage tank further includes a sludge discharge pipe, and the sludge collection hopper is connected to the sludge discharge pipe to allow the sludge collected in the sludge collection hopper to flow into the sludge discharge pipe and be discharged.
[0014] In some embodiments, the sludge discharge pipe is inclined; and / or
[0015] The upper end of the sludge discharge pipe is equipped with a blind flange.
[0016] In some embodiments, a flushing pipe is provided between the overflow pipe and the sludge discharge pipe to allow the dust removal water overflowing from the overflow pipe to flow into the sludge discharge pipe to dilute the sludge and promote sludge discharge; and / or
[0017] The flushing pipe is connected to the sludge discharge pipe near its higher end.
[0018] In some embodiments, a purge pipe is provided on the first side of the housing, and a purge valve is provided on the purge pipe. Compressed gas is introduced into the bottom of the housing through the purge pipe to promote the sludge to flow into the sludge collection hopper and be discharged.
[0019] In some embodiments, the bottom four corners of the box are respectively provided with support parts for supporting the box.
[0020] Compared with the prior art, the beneficial effects of the embodiments of this application are as follows: By setting baffles that collide with the muddy sewage inside the tank, the particulate matter in the sewage is continuously settled and discharged, thereby improving the sludge removal efficiency and improving the water quality. Under the action of gravity, the sludge automatically flows along the inclined bottom plate to the sludge collection hopper. The addition of sludge discharge devices such as flushing pipes and purging pipes improves the sludge discharge efficiency, avoids clogging, and enables the water tank to operate stably for a long time.
[0021] It should be understood that the foregoing general description and the following detailed description are exemplary and illustrative only, and are not intended to limit this application.
[0022] The overview of various implementations or examples of the technology described in this application is not a full disclosure of the entire scope or all features of the disclosed technology. Attached Figure Description
[0023] In drawings that are not necessarily drawn to scale, the same reference numerals may describe similar parts in different views. The drawings generally illustrate various embodiments by way of example rather than limitation and are used, together with the description and claims, to illustrate the disclosed embodiments. Where appropriate, the same reference numerals are used in all drawings to refer to the same or similar parts. Such embodiments are illustrative and not intended to be exhaustive or exclusive embodiments of the apparatus or method.
[0024] Figure 1 This is a partial sectional view from the front view of the anti-sludge drainage tank according to an embodiment of this application.
[0025] Figure 2 This is a left view of the anti-sludge drainage tank according to an embodiment of this application.
[0026] Figure 3 This is a top view of the anti-sludge drainage tank according to an embodiment of this application.
[0027] Figure 4 This is a bottom view of the housing according to an embodiment of this application.
[0028] Figure label:
[0029] 1-Box body; 11-First side; 12-Second side; 13-Third side; 13-Fourth side; 15-Sloping bottom plate; 16-Partition; 17-Sludge collection hopper; 18-Support part; 2-Sewage inlet pipe; 3-Baffle; 4-Overflow pipe; 5-Sludge discharge pipe; 51-Blind flange; 6-Flush pipe; 61-Drain valve; 7-Purge pipe; 71-Purge valve. Detailed Implementation
[0030] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the described embodiments of this application without creative effort are within the scope of protection of this application.
[0031] Unless otherwise defined, the technical or scientific terms used in this application shall have the ordinary meaning understood by one of ordinary skill in the art to which this application pertains. The terms "first," "second," and similar terms used in this application do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0032] To keep the following description of the embodiments of this application clear and concise, detailed descriptions of known functions and known components are omitted.
[0033] This application provides an anti-sludge drainage tank for use during the discharge of dust removal sludge.
[0034] like Figures 1 to 4 As shown, the anti-sludge drainage tank of this application embodiment includes a tank body 1, a sewage inlet pipe 2, a baffle 3, and an overflow pipe 4. The tank body 1 includes a sloping bottom plate 15 that gradually slopes downward from its first side 11 to its second side 12 opposite to the first side 11, that is, the sloping bottom plate 15 is formed by... Figure 1 The slope gradually decreases from left to right, so that the left side of the inclined base plate 15 is higher than the right side. The lowest end of the inclined base plate 15 (that is...) Figure 1 A sludge collection hopper 17 is provided on the right side of the inclined bottom plate 15. The sewage inlet pipe 2 is located on the first side 11 of the tank body 1 (i.e., Figure 1 The left side of the tank 1 is used to feed sewage into the tank 1. A baffle 3 is installed inside the tank 1, with its surface approximately perpendicular to the flow direction of the sewage within the tank 1. The baffle 3 divides the space inside the tank 1 into multiple partitions 16 sequentially in the direction from the first side 11 to the second side 12. Gaps exist between the bottom end of the baffle 3 and the inclined bottom plate 15, and between the top end of the baffle 3 and the top surface of the tank 1, allowing the multiple partitions 16 to connect at the bottom and top. An overflow pipe 4 is located on the second side 12 of the tank 1 (i.e., the left side of the tank 1). Figure 1 It is located on the right side of the box and near the upper part of the box 1.
[0035] Sewage containing mud enters the tank 1 through the sewage inlet pipe 2. Inside the tank, the sewage is blocked by the baffle 3, which reduces the sewage flow rate. Sludge and other particles slowly settle on the inclined bottom plate 15. Under the action of gravity, they gradually flow from the gap between the baffle 3 and the inclined bottom plate 15 to the sludge collection hopper 17 at the lower position, and finally collect in the sludge hopper and are discharged. Meanwhile, the clearer water overflows from the upper part of the baffle 3 into the next compartment 16, where it undergoes secondary sedimentation. The clearer sewage after sedimentation is discharged from the overflow pipe 4 for recycling.
[0036] The anti-sludge drainage tank of this application embodiment, by setting an inclined bottom plate 15 and a sludge collection hopper 17 at the lowest point of the inclined bottom plate 15, allows the sludge that settles on the inclined bottom plate 15 to automatically flow from high to low to the sludge collection hopper 17 under the action of gravity, thereby improving the sludge discharge efficiency and preventing sludge from accumulating in the tank 1 and causing sludge accumulation; at the same time, a baffle 3 is set in the tank 1, and by using the collision between the sludge-containing sewage and the baffle 3, the particulate matter in the sludge-containing sewage is continuously settled and discharged, effectively separating the particulate matter, improving water quality, and increasing the efficiency and lifespan of the anti-sludge drainage tank.
[0037] The specific tilt angle of the inclined bottom plate 15 is not specifically limited in this application; for example, the tilt angle can be designed to be between 10° and 60°. The gap between the baffle 3 and the inclined bottom plate 15 can be set according to actual needs, for example, 30 mm to 60 mm. The sewage inlet pipe 2 can be set close to the upper part of the first side of the tank 1 so that the sewage entering the tank 1 can collide with the baffle 3 before falling onto the inclined bottom plate 15, avoiding direct downward flow from the gap between the baffle 3 and the inclined bottom plate 15.
[0038] In some embodiments, such as Figure 1 and Figure 3 As shown, the tank 1 is equipped with multiple baffles 3, which are arranged sequentially along the direction from the first side 11 to the second side 12 of the tank 1. The left and right sides of the baffles 3 are respectively attached to and connected to the third side 13 and the fourth side 14 opposite to the third side 13 of the tank 1, so as to divide the space inside the tank 1 into multiple partitions 16 arranged sequentially in the direction from the first side 11 to the second side 12 of the tank 1 (the direction of sewage flow). The multiple partitions 16 are connected only through the bottom and top ends, so that the sludge of the muddy sewage entering the tank 1 can only flow into the next partition 16 through the gap between the baffles 3 and the inclined bottom plate 15. The clearer water that settles out can only overflow over the baffles 3 to the next partition 16 when the previous partition 16 is filled and the water level rises to the top of the baffles 3 to continue secondary sedimentation. This process is carried out in sequence to achieve the purpose of multi-stage sedimentation, so that the water flowing out of the overflow pipe 4 is relatively clear and can be recycled.
[0039] In some embodiments, the tops of the multiple baffles 3 are flush, and their tops are all at a height higher than that of the overflow pipe 4, to ensure that the water flowing out of the overflow pipe 4 is clean water after the sludge has effectively settled through the multi-stage barrier of the baffles 3. The bottom ends of the multiple baffles 3 are all equidistant from the inclined bottom plate 15, forming a smooth and unobstructed sludge channel so that the sludge can flow smoothly and be discharged.
[0040] The shape of the box 1 is not limited. Taking this embodiment as an example, it is a cubic structure, including four side walls and one bottom wall. The four side walls include a first side wall, a second side wall, a third side wall, and a fourth side wall. The first side wall, the third side wall, the second side wall, and the fourth side wall are connected in sequence to form a circumferentially closed circumferential structure of the box 1. The first side wall, the second side wall, the third side wall, and the fourth side wall form the four sides of the box 1, namely the first side 11, the second side 12, the third side 13, and the fourth side 14 of the box 1. The sloping bottom plate 15 forms the bottom wall of the box 1. A lid can be provided at the upper end (top) of the box 1 to form a closed space inside the box 1.
[0041] like Figure 4 As shown, the lowest end of the inclined bottom plate 15 is formed by the convergence of the third side 13 and the fourth side 14 of the box body 1 towards the middle and then tilting downwards to form a conical sludge collection hopper 17. Designing the sludge collection hopper 17 as a cone shape makes it easier to collect the sludge flowing to the lowest point of the inclined bottom plate 15 and then effectively discharge it.
[0042] In some embodiments, such as Figures 1 to 3 As shown, the anti-sludge drainage tank also includes a sludge discharge pipe 5. The sludge collection hopper 17 is connected to the sludge discharge pipe 5, allowing the sludge collected in the sludge collection hopper 17 to flow into the sludge discharge pipe 5 and be discharged. The sludge collected in the sludge collection hopper 17 can be discharged to a designated location through the sludge discharge pipe 5. It can be understood that the bottom end of the sludge collection hopper 17 (that is, the conical small end) is connected to the sludge discharge pipe 5.
[0043] The sludge discharge pipe 5 can be installed at an angle, allowing the sludge to flow from high to low for discharge. A blind flange 51 is provided at the higher end of the sludge discharge pipe 5 as an inspection port. The sludge discharge pipe can be inspected and cleared periodically, depending on whether it is blocked, to ensure unobstructed sludge discharge.
[0044] In some embodiments, such as Figure 1 As shown, a flushing pipe 6 is provided between the overflow pipe 4 and the sludge discharge pipe 5. When the sludge concentration in the sludge discharge pipe 5 is too high and its fluidity is poor, the dust removal water overflowing from the overflow pipe 4 can flow into the sludge discharge pipe 5 to dilute the sludge and promote the discharge of sludge from the sludge discharge pipe 5. A drain valve 61 is provided on the flushing pipe 6. The opening and closing of the drain valve 61 is controlled according to the sludge concentration in the sludge discharge pipe 5 to send dust removal water into the sludge discharge pipe 5.
[0045] To improve flushing efficiency, flushing pipe 6 is connected to the sludge discharge pipe 5 near its high end to flush from top to bottom, so that the sludge in the sludge discharge pipe 5 can be discharged as quickly as possible.
[0046] In some embodiments, continue to combine Figure 1 A purge pipe 7 is provided on the first side 11 of the housing 1. The purge pipe 7 is close to the inclined bottom plate 15 and is set at approximately the same inclination angle as the inclined bottom plate 15. It is used to introduce compressed gas into the gap between the baffle 3 and the inclined bottom plate 15. A purge valve 71 is provided on the purge pipe 7. Compressed gas is introduced into the bottom of the housing 1 through the purge pipe 7 to promote the flow of sludge to the lowest point of the inclined bottom plate 15, and finally into the sludge hopper for discharge. Specifically, when the concentration of sludge settled on the inclined bottom plate 15 is too high and the flow is poor, to prevent sludge from hardening due to prolonged stagnation, the purge valve 71 is opened, and compressed gas is introduced into the purge pipe 7 for purge, breaking up the sludge layer and promoting its flow and discharge. The number of purge pipes 7 is not limited; for example, 1-2 can be installed. The compressed gas can be compressed air or compressed nitrogen. Figure 1 and Figure 2 As shown, the bottom four corners of the box body 1 are respectively provided with support parts 18 for supporting the box body 1. This facilitates the formation of a certain space between the bottom of the box body 1 and the reference surface, making it convenient to install the mud collection hopper 17 and the mud discharge pipe 5. The shape of the support part 18 is not limited, for example, it can be columnar or rod-shaped to form a support leg.
[0047] The anti-sludge drainage tank of this application embodiment can separate sludge from sewage entering the tank 1 through sewage inlet pipe 2. Sludge is deposited at the bottom and flows from top to bottom along the inclined bottom plate 15 to collect in the sludge collection hopper 17 and discharged. Clean water overflows from the top and is discharged through overflow pipe 4 for recycling, thereby increasing the efficiency and lifespan of the anti-sludge drainage tank.
[0048] This application utilizes multiple baffles within the tank to slow the wastewater flow rate and promote sludge settling. Furthermore, by monitoring the sludge concentration in the sludge discharge pipe, the system automatically activates the drain valve to introduce dust-collecting water for dilution and flushing when the concentration exceeds a preset threshold. Simultaneously, by monitoring the sludge deposition on the inclined bottom plate, the system automatically opens the purge valve to purge using compressed air when the deposition exceeds a preset threshold. These two mechanisms work together to effectively prevent excessive sludge deposition and blockage within the tank, ensuring its long-term stable operation and significantly improving the efficiency and reliability of sludge-containing wastewater treatment.
[0049] The above description is intended to be illustrative and not restrictive. Those skilled in the art can make variations, modifications, substitutions, and alterations to the above embodiments within the scope of this disclosure. Moreover, the above examples (or one or more of them) can be used in combination with each other, and these embodiments can be combined with each other in various combinations or arrangements.
Claims
1. A mud-proof drainage tank, characterized in that, include: The box body includes a sloping bottom plate that gradually slopes downward from a first side to a second side opposite to the first side, and a mud collection hopper is provided at the lowest end of the sloping bottom plate; A sewage inlet pipe is located on the first side of the tank and is used to feed sewage into the tank. A baffle is disposed inside the box and has gaps between itself and the inclined bottom plate and the top surface of the box. The baffle is used to divide the space inside the box into multiple partitions in the direction from the first side to the second side. An overflow pipe is provided on the second side of the housing and is located near the upper part of the housing.
2. The anti-sludge drainage tank according to claim 1, characterized in that, The box is equipped with multiple baffles, which are arranged sequentially along the direction from the first side to the second side of the box.
3. The anti-sludge drainage tank according to claim 2, characterized in that, The tops of the multiple baffles are flush, and the height of their tops is higher than the height of the overflow pipe; and / or The bottom ends of all the baffles are equidistant from the inclined bottom plate.
4. The anti-sludge drainage tank according to claim 1, characterized in that, The lowest end of the inclined bottom plate is formed by the third side of the box body and the fourth side opposite to the third side converging towards the middle and tilting downwards to form a conical mud collection hopper; wherein the first side, the third side, the second side and the fourth side are connected in sequence to form the circumferential structure of the box body, and the inclined bottom plate is located at the bottom end of the circumferential structure.
5. The anti-sludge drainage tank according to claim 1, characterized in that, The anti-sludge drainage tank also includes a sludge discharge pipe, and the sludge collection hopper is connected to the sludge discharge pipe to allow the sludge collected in the sludge collection hopper to flow into the sludge discharge pipe and be discharged.
6. The anti-sludge drainage tank according to claim 5, characterized in that, The sludge discharge pipe is inclined; and / or The upper end of the sludge discharge pipe is equipped with a blind flange.
7. The anti-sludge drainage tank according to claim 6, characterized in that, A flushing pipe is provided between the overflow pipe and the sludge discharge pipe to allow the dust removal water overflowing from the overflow pipe to flow into the sludge discharge pipe to dilute the sludge and promote sludge discharge; and / or The flushing pipe is connected to the sludge discharge pipe near its higher end.
8. The anti-sludge drainage tank according to claim 1, characterized in that, A purge pipe is provided on the first side of the housing, and a purge valve is provided on the purge pipe. Compressed gas is introduced into the bottom of the housing through the purge pipe to promote the sludge to flow into the sludge collection hopper and be discharged.
9. The anti-sludge drainage tank according to claim 1, characterized in that, The bottom four corners of the box are respectively provided with support parts for supporting the box.