Tail wash column cleaning device

Abstract

The application discloses a tail washing tower cleaning device, which comprises a ring-shaped cleaning pipe, a supporting pipe, a liquid inlet pipe, a plurality of elbows and a plurality of spray heads. The ring-shaped cleaning pipe is connected by four pipe sections through elbows to form a closed ring-shaped structure. The supporting pipe comprises a first pipe section, a second pipe section and a third pipe section. The first pipe section and the third pipe section are longitudinal pipe sections, and the second pipe section is a transverse pipe section. One end of the first pipe section and one end of the third pipe section are connected to two ends of the second pipe section through elbows to form a U-shaped supporting structure. The other end of the first pipe section and the other end of the third pipe section are connected to the ring-shaped cleaning pipe. The liquid inlet pipe is a straight pipe section, and the liquid inlet pipe is connected to the ring-shaped cleaning pipe through the supporting pipe. A plurality of nozzles are arranged on the pipe section of the ring-shaped cleaning pipe and are distributed at intervals along the ring-shaped cleaning pipe. The tail washing tower cleaning device can solve the problems of blockage of cleaning pipelines and spray heads, influence on washing effect and unqualified tail gas emission caused by accumulation of waste residues in the tail washing tower in the production of ammonium phosphate.

Description

Technical Field

[0001] This application relates to the field of chemical production technology, and in particular to a tailings washing tower cleaning device. Background Technology

[0002] In the production of ammonium phosphate, the operating status of the tail gas scrubbing tower directly affects whether the tail gas emissions meet the standards, which is crucial in the chemical production field. However, under current technology, after the tail gas scrubbing tower has been operating for a period of time, a large amount of waste residue will be generated inside and gradually accumulate. This accumulation of waste residue can easily cause blockage of the cleaning pipelines and nozzles, thereby affecting the washing effect of the tail gas scrubbing tower and even leading to unqualified tail gas emissions.

[0003] To solve this problem, the traditional process involves frequently stopping the tail wash tower when slag accumulates inside, in order to avoid a decrease in washing efficiency. The washing liquid inside the tower needs to be drained, the manhole opened for ventilation and air replacement, and only after the air inside the tower is qualified can manual cleaning be carried out.

[0004] This traditional cleaning method has serious flaws. Due to the lack of an effective waste cleaning mechanism, it relies solely on manual cleaning during machine shutdowns. This shutdown cleaning also affects production time and output, increases the number of start-ups and shutdowns, and thus increases production losses and production costs. The shutdown cleaning directly interrupts the production process, resulting in low production continuity and reduced production efficiency. Utility Model Content

[0005] This application provides a tailings scrubbing tower cleaning device to solve the problems of clogged cleaning pipelines and nozzles, affected washing effect, and unqualified exhaust gas emissions caused by the accumulation of waste residue in the tailings scrubbing tower during existing phosphate fertilizer production.

[0006] This application provides a tail washing tower cleaning device, including: an annular cleaning pipe, a support pipe, a liquid inlet pipe, several elbows, and several nozzles;

[0007] The annular cleaning pipe consists of four pipe sections connected by the elbow to form a closed annular structure.

[0008] The support pipe includes a first pipe, a second pipe, and a third pipe, wherein the first pipe and the third pipe are longitudinal pipes, and the second pipe is a transverse pipe;

[0009] One end of the first pipe and one end of the third pipe are respectively connected to both ends of the second pipe through the elbow, forming a U-shaped support structure;

[0010] The other end of the first pipe and the third pipe is connected to the annular cleaning pipe;

[0011] The inlet pipe is a straight pipe, and the inlet pipe is connected to the annular cleaning pipe through the support pipe;

[0012] The annular cleaning pipe is equipped with a number of nozzles, which are distributed at intervals along the annular cleaning pipe.

[0013] Optionally, the nozzle is located below the inner side of the annular cleaning pipe.

[0014] Optionally, the connection direction of the support tube and the annular cleaning tube is perpendicular.

[0015] Optionally, a through hole adapted to the liquid inlet pipe is provided on one side of the first pipe, and the liquid inlet pipe is perpendicularly connected to the first pipe through the through hole.

[0016] Optionally, the annular cleaning pipe is fixed to the inner wall of the tail wash tower by the support pipe;

[0017] The distance between the annular cleaning pipe and the bottom of the tail wash tower is 15 centimeters.

[0018] Optionally, the diameters of the first pipe, the second pipe, and the third pipe are the same.

[0019] Optionally, the four sections of the annular cleaning pipe have the same diameter, and the same diameter as the first pipe, the second pipe, and the third pipe.

[0020] Optionally, the inlet pipe is connected to the first pipe by welding.

[0021] Optionally, the support tube is connected to the annular cleaning tube by welding.

[0022] Optionally, the angle of the elbow is 90°.

[0023] As can be seen from the above technical solutions, this application has the following advantages:

[0024] During normal operation of the tail gas scrubber, the interior of the tower is continuously or periodically cleaned through nozzles on the annular cleaning pipe. This prevents the accumulation of waste residue that could clog pipelines and nozzles, significantly reducing the frequency of shutdowns for cleaning. This solves the problem of traditional processes requiring frequent shutdowns, emptying of the scrubbing liquid, ventilation, and manual cleaning, which severely disrupts the production process and improves efficiency. Furthermore, because waste removal can be achieved without shutdowns, the number of start-ups and shutdowns is reduced, lowering equipment wear and tear and saving on manual cleaning costs. In addition, timely waste removal prevents clogging of cleaning pipelines and nozzles, ensuring the scrubbing liquid flows smoothly through the pipelines and guaranteeing the effective scrubbing of the tail gas, thus ensuring that tail gas emissions meet standards. Attached Figure Description

[0025] Figure 1 A schematic diagram of the tail wash tower cleaning device provided in this application;

[0026] Figure 2 A schematic diagram of the tail wash tower cleaning device provided in this application in the tail wash tower;

[0027] Figure 3 A side view of the tail wash tower cleaning device provided in this application within the tail wash tower. Detailed Implementation

[0028] To address the aforementioned technical problems, this application provides a tailings scrubbing tower cleaning device to solve the problems of clogged cleaning pipelines and nozzles, affected washing effect, and substandard exhaust gas emissions caused by waste residue accumulation in existing phosphate fertilizer production tailings scrubbing towers. In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "transverse," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are used only to describe the relative positional relationship between the components or parts and do not specifically limit the specific installation orientation of each component or part.

[0029] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0030] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0031] Furthermore, the structures, proportions, sizes, etc., drawn in the accompanying drawings of this application are only used to complement the content disclosed in the specification for those skilled in the art to understand and read, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modification to the structure, change in the proportional relationship, or adjustment of the size, without affecting the effects and purposes that this application can produce, should still fall within the scope of the technical content disclosed in this application.

[0032] The technical solutions of this application will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0033] Please see Figure 1 , Figure 2 and Figure 3 , Figure 1 This is a schematic diagram of the tail wash tower cleaning device. Figure 2 This is a schematic diagram of the tail wash tower cleaning device within the tail wash tower. Figure 3 This is a side view of the tail wash tower cleaning device within the tail wash tower.

[0034] This application first provides an embodiment of a tail washing tower cleaning device, which includes: an annular cleaning pipe 1, a support pipe 2, a liquid inlet pipe 3, several elbows 4, and several nozzles 5;

[0035] The annular cleaning pipe 1 consists of four pipe sections connected by elbows 4, forming a closed annular structure;

[0036] The support pipe 2 includes a first pipe 201, a second pipe 202 and a third pipe 203. The first pipe 201 and the third pipe 203 are longitudinal pipes, and the second pipe 202 is a transverse pipe.

[0037] One end of the first pipe 201 and the third pipe 203 are respectively connected to both ends of the second pipe 202 through elbows 4, forming a U-shaped support structure;

[0038] The other ends of the first pipe 201 and the third pipe 203 are connected to the annular cleaning pipe 1;

[0039] The inlet pipe 3 is a straight pipe, and the inlet pipe 3 is connected to the annular cleaning pipe 1 through the support pipe 2;

[0040] The annular cleaning pipe 1 is equipped with several nozzles, which are distributed at intervals along the annular cleaning pipe 1.

[0041] Each component in this embodiment is described in detail below:

[0042] The annular cleaning pipe 1 is composed of four pipe sections connected by elbows 4, forming a closed annular structure. The annular structure design allows the liquid to be evenly distributed inside the pipe and sprayed outwards through nozzles, thereby achieving a comprehensive cleaning of the tail wash tower.

[0043] The support pipe 2 includes a first pipe 201, a second pipe 202, and a third pipe 203. The first pipe 201 and the third pipe 203 are longitudinal pipes, extending vertically and providing primary support. The second pipe 202 is a transverse pipe, extending horizontally and connecting one end of the first pipe 201 and the third pipe 203. One end of the first pipe 201 and the third pipe 203 are connected to both ends of the second pipe 202 via elbows 4, forming a U-shaped support structure. The support pipe 2 provides stable support for the annular cleaning pipe 1 and also makes the entire device more stable during installation and use.

[0044] The inlet pipe 3 is a straight pipe, serving as the channel for liquid to enter the tail-end scrubbing tower cleaning device. Inlet pipe 3 is connected to the annular cleaning pipe 1 via support pipe 2. Liquid flows from inlet pipe 3 into support pipe 2, and then into annular cleaning pipe 1.

[0045] Elbow 4 serves to connect different pipes and change their direction in the device. The elbow has an angle of 90°. In the connection of the annular cleaning pipe 1, elbow 4 allows the four pipe segments to be smoothly connected into a ring. In the connection of the support pipe 2, elbow 4 allows the first pipe 201, the second pipe 202, and the third pipe 203 to form a U-shaped support structure.

[0046] The nozzles 5 are installed on the annular cleaning pipe 1 and are spaced apart along the annular cleaning pipe 1. The function of the nozzles 5 is to spray the liquid in the annular cleaning pipe 1 in a specific manner to achieve a cleaning effect on the tail wash tower.

[0047] Working principle:

[0048] The inlet pipe 3 serves as the starting point for the cleaning fluid input. The straight pipe design reduces the resistance of the cleaning fluid, ensuring that the cleaning fluid enters the system with stable pressure and flow rate. After the cleaning fluid is injected through the inlet pipe 3, it will first flow into the first pipe 201 of the support pipe 2, and then be diverted from the first pipe 201 to both sides of the annular cleaning pipe 1.

[0049] The cleaning fluid flowing out from the ends of the first pipe 201 and the third pipe 203 enters two sections of the annular cleaning pipe 1, which are perpendicularly connected to them. The annular cleaning pipe 1 is a closed structure formed by four pipe sections connected in sequence through 90° bends 4. The incoming cleaning fluid gradually diffuses within the annular pipe, achieving uniform distribution by utilizing the characteristics of the annular design, and eventually filling the entire annular cleaning pipe 1.

[0050] Once the cleaning fluid fills the annular cleaning pipe 1, the nozzles 5, spaced apart along the lower inner side of the pipe, begin to operate, spraying the cleaning fluid outwards in a specific spray pattern. The distribution of the nozzles 5, in conjunction with the annular structure, enables comprehensive, thorough cleaning of the tail-end scrubbing tower's interior, especially targeting areas prone to waste accumulation. The sprayed cleaning fluid, through its own impact force, breaks up and washes away the attached waste, allowing it to be discharged along with the cleaning fluid within the tail-end scrubbing tower. This effectively cleans the tail-end scrubbing tower, ensuring its normal operation and meeting emissions standards.

[0051] Throughout the process, the inlet pipe 3 is responsible for input, the support pipe 2 undertakes the dual functions of support and transmission, the elbow 4 realizes the direction change, the annular cleaning pipe 1 ensures the uniform distribution of liquid, and the nozzle 5 completes the final cleaning operation. All components work together to form a stable dynamic working system.

[0052] In this embodiment, the interior of the tower is continuously or periodically cleaned by nozzles on the annular cleaning pipe 1, preventing the accumulation of waste residue that could clog the pipelines and nozzles 5. This significantly reduces the number of downtimes for cleaning, solving the problem of frequent shutdowns, emptying of the washing liquid, ventilation replacement, and manual cleaning required after traditional processes, which severely disrupts the production process and improves production efficiency. Simultaneously, since waste removal can be achieved without shutdown, the number of start-ups and shutdowns is reduced, lowering equipment wear and tear and saving on manual cleaning costs. Furthermore, timely removal of waste residue prevents clogging of the annular cleaning pipe 1 and nozzles 5, ensuring the washing liquid flows smoothly through the pipelines and guaranteeing the washing effect of the tail gas scrubbing tower, thus ensuring that the tail gas emissions meet standards.

[0053] In an optional embodiment, the nozzle is disposed below the inner side of the annular cleaning pipe 1.

[0054] In this embodiment, waste residue in the tail wash tower tends to accumulate at the bottom of the tower and in the tower wall area near the bottom. The annular cleaning pipe 1 and nozzles 5 are also concentrated in this area. The nozzles are positioned below the inner side of the annular cleaning pipe 1, allowing the sprayed cleaning liquid to directly impact these critical areas prone to waste residue accumulation in a nearly vertical downward or inclined downward direction. The nozzles positioned below the inner side, utilizing the characteristics of their annular structure, can achieve 360° cleaning coverage of the tower bottom and surrounding area without blind spots when spraying the cleaning liquid. After being sprayed, part of the cleaning liquid directly impacts the waste residue at the bottom of the tower, while the other part bounces or scatters upward along the tower wall, cleaning the bottom of the tower wall and nearby pipes, nozzles 5, etc., thereby comprehensively removing any potential waste residue adhesion and effectively avoiding blockages caused by inadequate local cleaning.

[0055] In an optional embodiment, the connection direction of the support tube 2 and the annular cleaning tube 1 is perpendicular.

[0056] In this embodiment, the U-shaped structure of the support pipe 2 has a strong load-bearing capacity. When it is perpendicularly connected to the annular cleaning pipe 1, it can more evenly distribute the gravity on the annular cleaning pipe 1 and the impact force generated by the flow of cleaning fluid to various parts of the support pipe 2, reducing the risk of loosening, deformation, or even damage to the device during long-term use. The first pipe 201 and the third pipe 203 of the support pipe 2 are longitudinal pipes, while the annular cleaning pipe 1 has a closed annular structure. When the two are perpendicularly connected, the cleaning fluid can enter the annular cleaning pipe 1 through the shortest path after flowing out of the support pipe 2, reducing the flow resistance and energy loss caused by the deviation of the connection angle. At the same time, this vertical flow distribution layout allows the cleaning fluid to form a more reasonable impact force distribution when entering the annular cleaning pipe 1, avoiding turbulence caused by abrupt changes in flow direction, which is conducive to the rapid diffusion of the cleaning fluid in the annular cleaning pipe 1, ensuring that the pressure and flow rate in the annular cleaning pipe 1 remain stable.

[0057] In an optional embodiment, a through hole adapted to the liquid inlet pipe 3 is provided on one side of the first pipe 201, and the liquid inlet pipe 3 is vertically connected to the first pipe 201 through the through hole.

[0058] In this embodiment, the through hole on the first pipe 201 is adapted to the liquid inlet pipe 3 to ensure that the two are tightly connected and reduce liquid leakage. The liquid inlet pipe 3 is vertically connected to the first pipe 201 through the through hole, so that the cleaning fluid enters the first pipe 201 at the optimal angle. The straight liquid inlet pipe 3 reduces the liquid transport resistance. The vertical connection causes the flow direction of the cleaning fluid to change by 90°, which minimizes the local resistance loss caused by the change of flow direction, avoids excessive turbulence or eddies, reduces energy loss, and ensures that the cleaning fluid is transported in the first pipe 201 with stable pressure and flow rate.

[0059] In an optional embodiment, the annular cleaning pipe 1 is fixed to the inner wall of the tail wash tower by the support pipe 2; the distance between the annular cleaning pipe 1 and the bottom of the tail wash tower is 15 cm.

[0060] In this embodiment, the annular cleaning pipe 1 is fixed to the inner wall of the tail wash tower by means of the support pipe 2. The support pipe 2 itself is vertically connected to the annular cleaning pipe 1 and has good load-bearing capacity. Utilizing the U-shaped structural characteristics of the support pipe 2, the entire device forms a stable overall connection with the tail wash tower. The bottom of the tail wash tower is the core area where waste residue is most likely to accumulate. The 15 cm distance setting allows the nozzles on the annular cleaning pipe 1 to be aimed at the bottom of the tower and the surrounding areas prone to residue accumulation, ensuring that the sprayed cleaning liquid maintains sufficient impact force to efficiently disperse and flush away the accumulated waste residue; it also avoids cleaning dead zones caused by excessive distance, ensuring that the cleaning liquid can fully cover the bottom of the tower and the tower wall, pipelines, and other areas near the bottom.

[0061] In an optional embodiment, the first pipe 201, the second pipe 202, and the third pipe 203 have the same diameter.

[0062] In an optional embodiment, the four sections of the annular cleaning pipe 1 have the same diameter, and the same diameter as the first pipe 201, the second pipe 202 and the third pipe 203.

[0063] In the above optional embodiments, since the first pipe 201, the second pipe 202, and the third pipe 203 have the same diameter, when another branch of the cleaning fluid flows from the first pipe 201 into the second pipe 202, and then from the second pipe 202 into the third pipe 203, there will be no sudden change in local resistance due to the change in the pipe cross-section, reducing the generation of eddies and energy loss. In this way, the cleaning fluid can be transported in a uniform state within the support pipe 2, avoiding pressure fluctuations caused by sudden changes in flow rate. The four sections of the annular cleaning pipe 1 have the same diameter, which allows the cleaning fluid to be evenly distributed within the annular pipe. When the cleaning fluid flows from the support pipe 2 into the annular cleaning pipe 1, since each section of the pipe has the same diameter, the liquid can flow smoothly in the annular path, without flow restriction due to a section of pipe being too thin or pressure drop due to a section of pipe being too thick. This ensures that each nozzle receives sufficient and stable pressure cleaning fluid, thereby achieving uniform cleaning of the tail washing tower.

[0064] In an optional embodiment, the inlet pipe 3 is connected to the first pipe 201 by welding.

[0065] In an optional embodiment, the support tube 2 is connected to the annular cleaning tube 1 by welding.

[0066] In the above optional embodiments, welding connection can achieve seamless connection between the inlet pipe 3 and the first pipe 201, minimizing leakage of cleaning fluid from the connection point during transmission, ensuring that all cleaning fluid enters the support pipe 2 and the subsequent annular cleaning pipe 1 along the predetermined path. Simultaneously, welding effectively resists pressure shocks generated during cleaning fluid transportation and vibrations during device operation, preventing loosening or breakage at the connection point. The inlet pipe 3 is connected to the first pipe 201 by welding, and the support pipe 2 is connected to the annular cleaning pipe 1 by welding, combining the inlet pipe 3, support pipe 2, and annular cleaning pipe 1 into a single unit. The rigid connection formed by welding can evenly transfer the gravity on the annular cleaning pipe 1 and the impact force of the flowing cleaning fluid to the support pipe 2, and then through the support pipe 2 to the inner wall of the tail washing tower, preventing shaking or displacement of the annular cleaning pipe 1 due to weak connection.

[0067] It should be noted that the above description of the disclosed embodiments enables those skilled in the art to implement or use this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tail-wash tower cleaning device, characterized in that, include: The system includes a ring-shaped cleaning pipe, a support pipe, an inlet pipe, several elbows, and several nozzles. The annular cleaning pipe consists of four pipe sections connected by the elbow to form a closed annular structure. The support pipe includes a first pipe, a second pipe, and a third pipe, wherein the first pipe and the third pipe are longitudinal pipes, and the second pipe is a transverse pipe; One end of the first pipe and one end of the third pipe are respectively connected to both ends of the second pipe through the elbow, forming a U-shaped support structure; The other end of the first pipe and the third pipe is connected to the annular cleaning pipe; The inlet pipe is a straight pipe, and the inlet pipe is connected to the annular cleaning pipe through the support pipe; The annular cleaning pipe is equipped with a number of nozzles, which are distributed at intervals along the annular cleaning pipe.

2. The tail wash tower cleaning device according to claim 1, characterized in that, The nozzle is located on the inner side below the annular cleaning pipe.

3. The tail wash tower cleaning device according to claim 1, characterized in that, The connection direction between the support tube and the annular cleaning tube is perpendicular.

4. The tail wash tower cleaning device according to claim 1, characterized in that, The first pipe has a through hole on one side that is adapted to the liquid inlet pipe, and the liquid inlet pipe is perpendicularly connected to the first pipe through the through hole.

5. The tail wash tower cleaning device according to claim 1, characterized in that, The annular cleaning pipe is fixed to the inner wall of the tail wash tower by the support pipe; The distance between the annular cleaning pipe and the bottom of the tail wash tower is 15 centimeters.

6. The tail wash tower cleaning device according to claim 1, characterized in that, The first pipe, the second pipe, and the third pipe have the same diameter.

7. The tail wash tower cleaning device according to claim 1, characterized in that, The diameters of the four sections of the annular cleaning pipe are the same, and are also the same as the diameters of the first pipe, the second pipe, and the third pipe.

8. The tail wash tower cleaning device according to claim 1, characterized in that, The inlet pipe is connected to the first pipe by welding.

9. The tail wash tower cleaning device according to claim 1, characterized in that, The support tube is connected to the annular cleaning tube by welding.

10. The tail wash tower cleaning device according to any one of claims 1 to 9, characterized in that, The angle of the bend is 90°.

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