Cleaning device for DPF (diesel particulate filter) of particulate filter
By designing a DPF cleaning device with supporting and circulating components, and utilizing heating and circulating pumps to achieve repeated rinsing with water solvent, the problems of incomplete DPF cleaning and heavy metal loss in existing technologies are solved, achieving efficient and low-cost DPF core cleaning.
Patent Information
- Application Number
- CN202423096385.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Existing DPF cleaning methods suffer from high costs, loss of heavy metals, incomplete cleaning, or the need to disassemble equipment, making it difficult to effectively remove blockages from particulate filters.
A DPF cleaning device including a support mechanism and cleaning and circulation components was designed. The water-soluble cleaning solution is heated by a heating tube, and the cleaning solution is repeatedly circulated and flowed by a circulation pump to repeatedly rinse the inner core of the particle collector, thus solving the problems of incomplete cleaning and inability to recycle the cleaning solution.
It achieves efficient and low-cost cleaning of DPF cores, avoids heavy metal loss, and facilitates the recovery of cleaning fluid and the treatment of impurities, thus improving the cleaning effect.
Smart Images

Figure CN223847588U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of automobile exhaust system equipment, specifically relates to a particle trap DPF cleaning device. BACKGROUND
[0002] DPF is the meaning of diesel particulate filter on diesel vehicle. The DPF diesel particulate filter is installed in the exhaust system of diesel vehicle, and its main function is to capture the particulate matter in the exhaust system after diesel combustion through the filter device on the surface and inside, and the captured particulate emission material is then burned out during the vehicle operation, so as to purify the exhaust emission. The quality of vehicle exhaust emission is improved, the harm of exhaust emission to the environment is reduced, and the vehicle exhaust emission meets the environmental protection requirements.
[0003] The present maintenance industry cleaning has the following maintenance treatment methods: (1) electric heating treatment method, the most effective method, but this method is high in cost, the particulate dust generated by heating combustion after treatment is difficult to remove, in addition, the loss of heavy metals such as platinum, rhodium and palladium is accelerated, the particle capture effect is greatly reduced, and the service life is greatly shortened, which cannot be used frequently; (2) fire burning method, although the blocked material can be burned, but the DPF diesel particulate filter itself is greatly damaged, which is more harmful than the electric heating treatment method; (3) adding cleaning agent into the oil tank and using the bottle cleaning method, the effect is very small, the cleaning effect is poor, and it is not recommended to use; (4) conventional solvent cleaning method, the three-way catalyst needs to be disassembled from the vehicle, then soaked for a period of time after using cleaning agent (oxalic acid, toilet cleaner), and then washed with clean water, the effect is acceptable, the heavy metal materials such as platinum, rhodium and palladium are not lost, but it is time-consuming and laborious, the cleaning is not sufficient, and the seriously blocked diesel particulate filter cannot be cleaned completely. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a particle trap DPF cleaning device, which aims at solving the problems in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:
[0006] A particle trap DPF cleaning device, comprising,
[0007] The supporting mechanism comprises a supporting plate and supporting columns fixedly installed at the bottom of the two sides of the supporting plate, and the number of the supporting columns is four.
[0008] The cleaning mechanism comprises a cleaning assembly arranged at the top of the supporting plate and a circulating assembly arranged at the top of the supporting plate and matched with the cleaning assembly.
[0009] As a preferred scheme of the utility model, the cleaning assembly comprises a container fixedly installed on the top of the support plate, a drain pipe communicated with the outer surface of the container, a filter plate fixedly installed in the inner cavity of the container, a fixing piece arranged on the top of the filter plate, and a particle trap arranged on the inner side of the fixing piece.
[0010] As a preferred scheme of the utility model, the cleaning assembly further comprises a heating pipe fixedly installed on the inner wall of the container and used for heating, and the number of the heating pipe is six.
[0011] As a preferred scheme of the utility model, the fixing piece comprises a plurality of fixing rods fixedly installed on the top of the filter plate, a supporting ring fixedly installed on the top of the fixing rod, and a limiting ring on the inner surface of the supporting ring, and the particle trap is clamped on the inner side of the supporting ring.
[0012] As a preferred scheme of the utility model, the circulating assembly comprises a circulating pump fixedly installed on the top of the support plate, a flow guide pipe communicated with the input end of the circulating pump, a backflow pipe communicated with the output end of the circulating pump, and a one-way valve adaptively installed on the surface of the backflow pipe and used for preventing backflow.
[0013] As a preferred scheme of the utility model, the circulating assembly further comprises a fixing ring fixedly installed on the outer surface of the container, and the fixing ring is used for limiting the flow guide pipe.
[0014] As a preferred scheme of the utility model, the end of the flow guide pipe extends to the inside of the container, the end of the backflow pipe is communicated with the inner cavity of the container, and the surface of the drain pipe is adaptively installed with a valve used for draining water.
[0015] Compared with the prior art, the utility model has the beneficial effects that the cooperation between the cleaning assembly and the circulating assembly can be used for repeatedly circulating and flowing the water-solvent cleaning liquid, the inner core of the particle trap is repeatedly washed by the flowing cleaning liquid, the problems of incomplete washing of the inner core of the particle trap and non-recyclable cleaning liquid are solved, and the effects of improving the washing of the inner core of the particle trap and facilitating the recovery of the cleaning liquid are achieved. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.
[0017] Figure 1 It is the whole structure schematic view of the utility model;
[0018] Figure 2The cleaning assembly structure schematic view of the utility model;
[0019] Figure 3 The circulation assembly structure schematic view of the utility model;
[0020] Figure 4 The fixing piece structure schematic view of the utility model.
[0021] In the figure: 100, support mechanism;101, support plate;102, support column;200, cleaning mechanism;201, cleaning assembly;201a, container;201b, liquid discharge pipe;201c, filter plate;201d, fixing piece;201d-1, fixed rod;201d-2, support ring;201d-3, limiting ring;201e, particle trap;201f, heating pipe;202, circulation assembly;202a, circulating pump;202b, flow guide pipe;202c, return pipe;202d, one-way valve;202e, fixing ring. DETAILED DESCRIPTION
[0022] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent and easy to understand, the specific embodiments of the utility model are described in detail below with the help of the accompanying drawings of the specification.
[0023] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description herein, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.
[0024] Secondly, the "one embodiment" or "embodiment" referred to here means that specific features, structures or characteristics can be included in at least one implementation of the utility model. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.
[0025] EMBODIMENT
[0026] REFERENCE Figures 1-4 For the embodiment of the utility model, the embodiment provides a particle trap DPF cleaning device, which comprises,
[0027] The support mechanism 100 comprises a support plate 101 and support columns 102 fixedly installed on both sides of the bottom of the support plate 101, and the number of the support columns 102 is four.
[0028] The cleaning mechanism 200 comprises a cleaning assembly 201 arranged on the top of the support plate 101 and a circulation assembly 202 arranged on the top of the support plate 101 and used in cooperation with the cleaning assembly 201.
[0029] The cooperation between the cleaning assembly 201 and the circulating assembly 202 can be used for repeated circulation and flow of the water-solvent cleaning liquid, and the flowing cleaning liquid can be used for repeated washing of the inner core of the particle trap 201e, thereby solving the problems of incomplete washing of the inner core of the particle trap 201e and non-recyclable cleaning liquid, and achieving the effects of improving the washing of the inner core of the particle trap 201e and facilitating the recycling of the cleaning liquid.
[0030] Specifically, the cleaning assembly 201 comprises a container 201a fixedly installed on the top of the support plate 101, a liquid discharge pipe 201b communicated with the outer surface of the container 201a, a filter plate 201c fixedly installed in the inner cavity of the container 201a, a fixing member 201d arranged on the top of the filter plate 201c, and a particle trap 201e arranged in the inner side of the fixing member 201d.
[0031] The container 201a is used for storing the water-solvent cleaning liquid, the fixing member 201d is used for supporting and limiting the particle trap 201e, thereby improving the stability of the particle trap 201e during cleaning, the filter plate 201c divides the container 201a into a cleaning chamber and a filtering chamber, the cleaning chamber is located on the top of the filter plate 201c, and the filtering chamber is located on the bottom of the filter plate 201c, when the water-solvent cleaning liquid circulates to clean the inner core of the particle trap 201e, the impurities cleaned out are discharged into the filtering chamber through liquid circulation, thereby avoiding the impurities remaining in the cleaning chamber and affecting the cleaning effect of the inner core of the particle trap 201e.
[0032] Further, the cleaning assembly 201 further comprises heating pipes 201f fixedly installed on the inner wall of the container 201a and used for heating, and the number of the heating pipes 201f is six.
[0033] The heating pipes 201f are used for appropriately heating the water-solvent cleaning liquid in the inner cavity of the container 201a, and the heated water-solvent cleaning liquid can improve the cleaning effect of the inner core of the particle trap 201e, the six heating pipes 201f are uniformly distributed on the inner wall of the container 201a and are used for uniformly heating the water-solvent cleaning liquid, and the output ends of the heating pipes 201f need to be connected with an adaptive controller and a power supply.
[0034] Preferably, the fixing member 201d comprises a plurality of fixing rods 201d-1 fixedly installed on the top of the filter plate 201c, a supporting ring 201d-2 fixedly installed on the top of the fixing rod 201d-1, and a limiting ring 201d-3 on the inner surface of the supporting ring 201d-2, and the particle trap 201e is clamped on the inner side of the supporting ring 201d-2.
[0035] The particle trap 201e is installed and limited by the cooperation between the fixing rod 201d-1 and the supporting ring 201d-2, and the particle trap 201e smaller than the inner diameter of the supporting ring 201d-2 is effectively supported and limited under the action of the limiting ring 201d-3, so that the particle trap 201e of different specifications is supported and limited.
[0036] Further, the circulating assembly 202 includes a circulating pump 202a fixedly installed on the top of the support plate 101, a flow guide pipe 202b communicated with the input end of the circulating pump 202a, a return pipe 202c communicated with the output end of the circulating pump 202a, and a one-way valve 202d adaptedly installed on the surface of the return pipe 202c for preventing backflow.
[0037] The water-solvent cleaning solution stored in the inner cavity of the container 201a is pumped out through the flow guide pipe 202b by the circulating pump 202a, and flows back to the inner cavity of the container 201a through the return pipe 202c under the pressure of the circulating pump 202a, so that the water-solvent cleaning solution in the inner cavity of the container 201a is circulated and flows, and the inner core of the particle trap 201e in the inner cavity of the container 201a is repeatedly washed by the flowing water-solvent cleaning solution, thereby cleaning the particle trap 201e.
[0038] Specifically, the circulating assembly 202 further includes a fixing ring 202e fixedly installed on the outer surface of the container 201a, and the fixing ring 202e is used for limiting the flow guide pipe 202b.
[0039] The fixing ring 202e is used for limiting the flow guide pipe 202b, thereby improving the installation effect of the flow guide pipe 202b.
[0040] Further, the end of the flow guide pipe 202b extends to the inside of the container 201a, the end of the return pipe 202c is communicated with the inner cavity of the container 201a, and a valve for draining water is adaptedly installed on the surface of the drain pipe 201b.
[0041] The valve is used for draining the water-solvent cleaning solution in the container 201a through the drain pipe 201b.
[0042] In use, when the particle trap 201e needs to be cleaned, the particle trap 201e is placed on the fixing member 201d, the water-solvent cleaning liquid is injected into the inner cavity of the container 201a, the end of the flow guide pipe 202b needs to be submerged below the liquid level of the water-solvent cleaning liquid, the circulating pump 202a is started, under the pressure of the circulating pump 202a, the water-solvent cleaning liquid inside the container 201a is pumped out through the flow guide pipe 202b and then backflows to the inside of the container 201a through the backflow pipe 202c, so that the water-solvent cleaning liquid inside the container 201a is circulated and flows, the flowing water-solvent cleaning liquid repeatedly washes the inner core of the particle trap 201e, after the washing is completed, the circulating pump 202a is turned off, and the particle trap 201e is taken out from the inner cavity of the container 201a, the water-solvent cleaning liquid inside the container 201a can be repeatedly used.
[0043] In summary, the water-solvent cleaning liquid is heated by the heating pipe 201f, the inner core of the particle trap 201e is repeatedly washed by the pressure of the circulating pump 202a and is used in circulation, the particulate matter is removed, the surface layer of the particle trap 201e is not easily damaged, there is no loss of heavy metals such as platinum, rhodium, and palladium, and the impurities after cleaning are easy to collect and process.
[0044] Importantly, it should be noted that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such variations are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be changed, or reordered, according to alternative embodiments. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functions and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to the particular embodiments described in this disclosure, but extends to any embodiments that would still fall within the scope of the appended claims.
[0045] Furthermore, in the interest of providing a concise description of illustrative embodiments, not all features of an actual implementation can be described (that is, not all
[0046] It will be appreciated that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.
[0047] It should be noted that the above-mentioned embodiments are only used to illustrate the technical solutions of the present application, not limit the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the spirit and scope of the present application, and they should be covered in the scope of the claims of the present application.
Claims
1. A device for cleaning a diesel particulate filter (DPF), characterized by: The utility model relates to a kind of cleaning device for semiconductor wafer, including, Support mechanism (100), including support plate (101), and the support column (102) fixedly installed in the bottom of support plate (101) both sides, the number of the support column (102) is four; Cleaning mechanism (200), including being arranged in the top of support plate (101) cleaning assembly (201), and being arranged in the top of support plate (101) and cooperating cleaning assembly (201) uses circulation component (202); The cleaning assembly (201) includes container (201a) fixedly installed in the top of support plate (101), drain pipe (201b) communicated with the outer surface of container (201a), filter plate (201c) fixedly installed in the inner cavity of container (201a), fixed part (201d) arranged in the top of filter plate (201c), and particle trap (201e) arranged in the inner side of fixed part (201d).
2. A particulate filter (DPF) cleaning device according to claim 1, characterized in that: The cleaning assembly (201) further includes heating pipe (201f) fixedly installed on the inner wall of container (201a) and used for heating, and the number of the heating pipe (201f) is six.
3. A particulate filter (DPF) cleaning device according to claim 2, characterized in that: The fixed part (201d) includes a plurality of fixed rods (201d-1) fixedly installed in the top of filter plate (201c), support ring (201d-2) fixedly installed in the top of fixed rod (201d-1), and limiting ring (201d-3) in the inner surface of support ring (201d-2), and the particle trap (201e) is connected to the inner side of support ring (201d-2).
4. A particulate filter (DPF) cleaning device according to claim 3, characterized in that: The circulation component (202) includes circulation pump (202a) fixedly installed in the top of support plate (101), flow guide pipe (202b) communicated with the input end of circulation pump (202a), backflow pipe (202c) communicated with the output end of circulation pump (202a), and one-way valve (202d) adaptedly installed on the surface of backflow pipe (202c) for preventing backflow.
5. A particulate filter (DPF) cleaning device according to claim 4, characterized in that: The circulation component (202) further includes fixing ring (202e) fixedly installed on the outer surface of container (201a), and the fixing ring (202e) is used for limiting flow guide pipe (202b).
6. A particulate filter (DPF) cleaning device according to claim 5, characterized in that: The end of the flow guide pipe (202b) extends to the inside of the container (201a), the end of the backflow pipe (202c) is communicated with the inner cavity of the container (201a), and the surface of the drain pipe (201b) is adaptedly installed with valve for drainage.