Circulating infusion pump

By designing a circulating pump and using a rotary motor to drive the pumping impeller, the internal cleaning of the oil tanker is achieved, which solves the problem of secondary pollution during oil tanker cleaning and improves cleaning efficiency.

CN223724865UActive Publication Date: 2025-12-26NANTONG HAFU ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423323025.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-26
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

When cleaning oil tankers, existing technology causes a large amount of mixed liquid to flow onto the ground, resulting in secondary pollution and low cleaning efficiency.

Method used

Design a circulating liquid pump, including a multi-port pipe, a liquid pumping assembly and a rotary motor. The rotary motor drives the liquid pumping impeller to rotate, realizing the circulation and cleaning of the mixed liquid in the tank truck. Centrifugal force is used to guide the liquid from the inlet to the outlet to form a circulating flow.

Benefits of technology

It improves the cleaning power and efficiency of the detergent, reduces the pollution of mixed liquid flowing onto the ground, and achieves a highly efficient cleaning process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of water pumps, in particular to a circulating infusion pump which comprises a multi-way pipe and an infusion assembly, and the multi-way pipe is provided with a liquid inlet, a liquid outlet and a fixed end. The liquid pumping assembly comprises a rotating motor, a rotating shaft connected with the rotating motor and a liquid pumping impeller fixed to the rotating shaft, the rotating motor is arranged at the fixed end, and the rotating shaft is located in the through pipe; the liquid inlet and the liquid outlet are both configured to be communicated with an oil hole of an oil tank truck. The utility model aims to provide a circulating infusion pump, and aims to solve the problem that a large number of pollutants are discharged during cleaning of an oil tank truck and improve the cleaning efficiency.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of water pump, especially relate to a circulating liquid pump. BACKGROUND

[0002] Tank truck is a kind of vehicle specially used for transporting liquid petroleum products, it plays a vital role in the storage, transportation and distribution of petroleum products.

[0003] At present, when the oil tank truck needs to be cleaned, the cleaning agent is usually injected into the oil tank, and then water is washed, in this process, a large amount of mixed liquid is easily flowed to the ground, and the mixed liquid contains many pollutants that are not easy to handle, causing secondary pollution, and because it is a flushing method, it needs to be always washed, cannot form circulating flushing, resulting in low cleaning efficiency. UTILITY MODEL CONTENT

[0004] The utility model discloses a circulating liquid pump, which aims to solve the problem of large amount of pollutants discharged during cleaning of the oil tank truck and improve the cleaning efficiency.

[0005] To achieve the above object, the circulating liquid pump comprises:

[0006] Multi-pass pipe, the multi-pass pipe is equipped with liquid inlet, liquid outlet and fixed end;

[0007] Liquid pumping assembly, the liquid pumping assembly includes rotating motor, rotating shaft connected with the rotating motor and liquid pumping impeller fixed on the rotating shaft, the rotating motor is arranged in the fixed end, and the rotating shaft is located in the pipe;

[0008] The liquid inlet and the liquid outlet are configured to communicate with the oil hole of the oil tank truck.

[0009] In an embodiment of the utility model, the liquid outlet is arranged close to the fixed end.

[0010] In an embodiment of the utility model, the liquid pumping impeller is located at one end of the rotating shaft close to the liquid inlet.

[0011] In an embodiment of the utility model, the liquid pumping assembly has a plurality of liquid pumping impellers, and the plurality of liquid pumping impellers are arranged along the length direction of the rotating shaft.

[0012] In an embodiment of the utility model, the outer surface of the rotating shaft is sleeved with a protective sleeve, and the protective sleeve is arranged in dislocation with the liquid pumping impeller.

[0013] In an embodiment of the utility model, the liquid pumping impeller further comprises a check valve, and the check valve is arranged on the rotating shaft.

[0014] In an embodiment of the utility model, the check valve is located on the side of the liquid pumping impeller away from the liquid inlet.

[0015] In an embodiment of the utility model, the inside of the multi-way pipe is provided with a fixing frame, and part of the structure of the rotating shaft and the protective sleeve penetrates through the fixing frame and is arranged.

[0016] In an embodiment of the utility model, the liquid pumping assembly further comprises a shaft coupling and a connecting flange, the shaft coupling is fixedly connected with the output shaft of the rotary motor and the rotating shaft, and the connecting flange is fixedly connected with the rotary motor and the shaft coupling.

[0017] In an embodiment of the utility model, the circulating liquid pumping pump further comprises a quick mounting assembly, the quick mounting assembly comprises a quick release piece and a connecting pipe, the quick release piece comprises a limiting pipe and a pressing arm, the pressing arm is hinged to the limiting pipe, the connecting pipe is inserted into the limiting pipe, and the pressing arm can extrude the limiting pipe.

[0018] The connecting pipe is configured to communicate the liquid outlet with the oil hole of the tank truck.

[0019] In the technical scheme of the utility model, the circulating liquid pumping pump is used for cleaning the oil tank of the tank truck, the liquid inlet of the multi-way pipe is used for communicating one oil hole of the tank truck, the liquid outlet of the multi-way pipe is used for communicating another oil hole of the tank truck, after the tank truck is filled with the cleaning agent and the cleaning water, the rotary motor drives the liquid pumping impeller to rotate, so that the mixed liquid in the tank truck enters the multi-way pipe from the liquid inlet and then flows out from the liquid outlet and reenters the tank truck, thereby realizing the circulating cleaning, and the cleaning strength and the cleaning efficiency of the cleaning agent can be improved through the circulating cleaning, and in the whole cleaning process, a large amount of mixed liquid does not flow to the ground, and the problem of secondary pollution is solved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained from the structure shown in the drawings without creative labor.

[0021] Figure 1 The structure diagram of the circulating liquid pumping pump provided by the utility model is shown.

[0022] Explanation of reference numerals:

[0023] 10, multi-way pipe; 10a, liquid inlet; 10b, liquid outlet; 11, fixed frame; 20, liquid pumping assembly; 21, rotary motor; 22, rotating shaft; 23, liquid pumping impeller; 24, protective sleeve; 25, check valve; 26, coupling; 27, connecting flange; 30, quick mounting assembly; 31, quick release; 32, connecting pipe.

[0024] The realization, functional features and advantages of the utility model will be further described in combination with embodiments with reference to the drawings. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0027] In addition, if the embodiments of the utility model involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one feature. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B schemes are satisfied at the same time. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skill in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0028] Please refer to Figure 1 , the circulating liquid pumping pump comprises:

[0029] The multi-way pipe is provided with a liquid inlet 10a, a liquid outlet 10b and a fixed end;

[0030] The liquid pumping assembly 20 comprises a rotary motor 21, a rotating shaft 22 connected with the rotary motor 21 and a liquid pumping impeller 23 fixed on the rotating shaft 22, the rotary motor 21 is arranged at the fixed end, and the rotating shaft 22 is located in the through pipe;

[0031] The liquid inlet 10a and the liquid outlet 10b are configured to communicate with oil holes of the oil tank truck.

[0032] In the technical scheme of the utility model, the circulating liquid pumping pump is used for cleaning the oil tank of the oil tank truck, the liquid inlet 10a of the multi-through pipe is used for communicating with one oil hole of the oil tank truck, the liquid outlet 10b of the multi-through pipe is used for communicating with another oil hole of the oil tank truck, after the oil tank truck is filled with the cleaning agent and the cleaning water, the rotary motor 21 drives the liquid pumping impeller 23 to rotate, so that the mixed liquid in the oil tank truck enters the multi-through pipe from the liquid inlet 10a and then flows out from the liquid outlet 10b and reenters the oil tank truck, thereby realizing the circulating cleaning, and meanwhile, the cleaning strength and the cleaning efficiency of the cleaning agent can be improved through the circulating cleaning, and in the whole cleaning process, a large amount of mixed liquid does not flow to the ground, and the problem of secondary pollution is solved.

[0033] It can be understood that the oil tank truck has at least one main oil hole for loading and unloading, and most oil tank trucks are usually designed with multiple oil holes to adapt to different oil filling and unloading, for example, the oil tank truck can have two or four oil holes to facilitate oil filling operation from different positions, therefore, the multi-through pipe of the circulating liquid pumping pump can be a three-way pipe 10, the three ports of the three-way pipe 10 can be one liquid inlet 10a, one liquid outlet 10b and one fixed port, thereby realizing the circulating cleaning, of course, the multi-through pipe can be a four-way structure to form three ports for the mixed liquid to enter and exit, and the number of the liquid inlet 10a and the liquid outlet 10b can be designed according to the requirement, which is not limited herein.

[0034] In order to realize the circulating cleaning, the circulating liquid pumping pump has a liquid pumping assembly 20, the liquid pumping assembly 20 comprises a rotary motor 21, a rotating shaft 22 connected with the rotary motor 21 and a liquid pumping impeller 23 fixed on the rotating shaft 22, the rotary motor 21 is arranged at the fixed end, and the rotating shaft 22 is located in the through pipe, so that when the liquid inlet 10a communicates with one oil hole of the oil tank truck and the liquid outlet 10b communicates with another oil hole of the oil tank truck, the rotary motor 21 drives the liquid pumping impeller 23 to rotate, the rotation of the impeller generates centrifugal force, under the action of the centrifugal force, the mixed liquid is pushed from the center of the impeller to the periphery of the impeller, thereby realizing the flow of the liquid from the liquid inlet 10a to the liquid outlet 10b, and achieving the purpose of the circulating cleaning.

[0035] Further, please refer to Figure 1, the liquid inlet 10a is opposite to the fixed end, and the liquid outlet 10b is close to the fixed end, so that an efficient fluid dynamics environment can be created in the multi-way pipe, turbulence and vortex are reduced, and the efficiency of the pump is improved; of course, in another embodiment, if the mixed liquid temperature is high, the liquid outlet 10b is arranged away from the fixed end, so as to avoid the heat generated by the high-temperature liquid from being concentrated on the rotating motor 21 and the seal between the rotating motor 21 and the multi-way pipe.

[0036] In an embodiment, please refer to Figure 1 , the liquid pumping impeller 23 is located at one end of the rotating shaft 22 close to the liquid inlet 10a, so that the fluid is immediately sucked by the impeller after entering the multi-way pipe, and the function of rapid response is achieved.

[0037] In order to improve the flow speed, please refer to Figure 1 , the liquid pumping assembly 20 has a plurality of liquid pumping impellers 23 arranged along the length direction of the rotating shaft 22, each liquid pumping impeller 23 is fixedly connected with the rotating shaft 22, so that the synchronous rotation of the plurality of liquid pumping impellers 23 can generate larger centrifugal force, thereby driving the mixed liquid to flow.

[0038] In an embodiment of the utility model, please refer to Figure 1 , the outer surface of the rotating shaft 22 has a protective layer, in an embodiment, a protective sleeve 24 can be arranged on the outer surface of the rotating shaft 22, so as to reduce the risk of corrosion of the rotating shaft 22 by the mixed liquid, and the protective sleeve 24 is arranged in a staggered manner with the impeller, because the mixed liquid contains a certain amount of oil stains, so as to avoid the problem of slipping of the impeller connected with the protective sleeve 24; in another embodiment, an anti-corrosion coating liquid can be covered on the outer surface of the rotating shaft 22, and after air drying, a protective layer is formed, it can be understood that the material of the protective sleeve 24 and the coating liquid can be polytetrafluoroethylene, epoxy resin and other corrosion-resistant materials.

[0039] In an embodiment, please refer to Figure 1 , the liquid pumping impeller 23 further comprises a check valve 25 arranged on the rotating shaft 22, so as to realize the one-way flow of the mixed liquid from the liquid inlet 10a to the liquid outlet 10b, and prevent the liquid from flowing back.

[0040] Further, please refer to Figure 1 , the check valve 25 is located on the side of the liquid pumping impeller 23 away from the liquid inlet 10a, so as to avoid reducing the liquid flow brought in from the liquid inlet 10a by the liquid pumping impeller 23, and at the same time, no additional resistance is generated, and the liquid pumping efficiency is ensured.

[0041] In an embodiment, please refer to Figure 1The inside of the multi-way pipe is provided with a fixing frame 11, the rotating shaft 22 and part of the structure of the protective layer are arranged through the fixing frame 11, specifically, the fixing frame 11 is fixed in the multi-way pipe and is located on the side of the check valve 25 away from the liquid pumping impeller 23, has a gap hole for the rotating shaft 22 to pass through, in this way, when the liquid pumping impeller 23 rotates, the fixing frame 11 can avoid the rotating shaft 22 from being bent, deviated and the like, and the stability of the rotating shaft 22 is improved.

[0042] In an embodiment of the present application, please refer to Figure 1 The liquid pumping assembly 20 further comprises a shaft coupling 26 and a connecting flange 27, the shaft coupling 26 is fixedly connected with the output shaft of the rotating motor 21 and the rotating shaft 22, and the connecting flange 27 is fixedly connected with the rotating motor 21 and the shaft coupling 26, further, a bearing is arranged at the end of the rotating shaft 22 close to the rotating motor 21, and the bearing is fixed in the multi-way pipe through a bearing seat, in this way, the stability and the connecting strength of the rotating shaft 22 during working can be improved through the action of the shaft coupling 26, the connecting flange 27 and the bearing.

[0043] In an embodiment of the present application, please refer to Figure 1 The circulating liquid pumping pump further comprises a quick mounting assembly 30, the quick mounting assembly 30 comprises a quick release piece 31 and a connecting pipe 32, the quick release piece 31 comprises a limiting pipe and a pressing arm, the pressing arm is hinged to the limiting pipe, the connecting pipe 32 is inserted into the limiting pipe, the pressing arm can extrude the limiting pipe, the connecting pipe 32 is configured to be communicated with the liquid outlet 10b and the limiting pipe, specifically, the connecting pipe 32 has external threads at one end, so as to realize fixed connection with the three-way pipe 10, after the other end of the connecting pipe 32 is inserted into the limiting pipe, the pressing arm is rotated to press the connecting pipe 32, and the end of the limiting pipe away from the connecting pipe 32 can be connected with a water pipe to communicate with the oil tank, in this way, the communication between the oil outlet and the oil tank is quickly realized.

[0044] The above is only an exemplary embodiment of the present application, and does not limit the patent range of the present application, any equivalent structural transformation made by using the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the present application.

Claims

1. A recirculating pump for use in cleaning the tank of a tank truck, characterized in that The circulating liquid pumping device comprises: a multi-pass pipe (10) provided with a liquid inlet (10a), a liquid outlet (10b) and a fixed end; a liquid pumping assembly (20) comprising a rotating motor (21), a rotating shaft (22) connected to the rotating motor (21) and a liquid pumping impeller (23) fixed to the rotating shaft (22), wherein the rotating motor (21) is arranged at the fixed end, and the rotating shaft (22) is arranged in the multi-pass pipe; the liquid inlet (10a) and the liquid outlet (10b) are configured to communicate with oil holes of an oil tank truck.

2. The peristaltic pump of claim 1, wherein, The liquid inlet (10a) is arranged opposite to the fixed end, and the liquid outlet (10b) is arranged close to the fixed end.

3. The peristaltic pump of claim 2, wherein, The liquid pumping impeller (23) is arranged at one end of the rotating shaft (22) close to the liquid inlet (10a).

4. The circulating pump as described in claim 3, characterized in that, The liquid pumping assembly (20) has a plurality of liquid pumping impellers (23) arranged along the length direction of the rotating shaft (22).

5. The peristaltic pump of any one of claims 1 to 4, wherein, An outer surface of the rotating shaft (22) has a protective layer.

6. The circulating pump as described in claim 5, characterized in that, The liquid pumping impeller (23) further comprises a check valve (25) arranged on the rotating shaft (22).

7. The circulating pump as described in claim 6, characterized in that, The check valve (25) is arranged on a side of the liquid pumping impeller (23) away from the liquid inlet (10a).

8. The circulating pump as described in claim 7, characterized in that, The multi-pass pipe (10) is internally provided with a fixing frame (11), and part of the structure of the rotating shaft (22) penetrates through the fixing frame (11).

9. The peristaltic pump of claim 1, wherein, The liquid pumping assembly (20) further comprises a shaft coupling (26) and a connecting flange (27), wherein the shaft coupling (26) fixedly connects an output shaft of the rotating motor (21) and the rotating shaft (22), and the connecting flange (27) fixedly connects the rotating motor (21) and the shaft coupling (26).

10. The peristaltic pump of claim 1, wherein, The circulating liquid pumping device further comprises a quick mounting assembly (30), which comprises a quick release part (31) and a connecting pipe (32), wherein the quick release part (31) comprises a limiting pipe and a pressing arm, the pressing arm is hinged to the limiting pipe, the connecting pipe (32) is inserted into the limiting pipe, and the pressing arm can extrude the limiting pipe; The connecting pipe (32) is configured to communicate with the liquid outlet (10b) and the limiting pipe.