CN217961510U

CN217961510U - Residual oil hydrogenation raw material backwashing filter capable of reducing maintenance cost

Info

Publication number: CN217961510U
Application number: CN202220562449.7U
Authority: CN
Inventors: 周立华; 郑京禾; 史长友
Original assignee: Zhejiang Nuclear Core Fluid Equipment Co ltd; China Petroleum and Chemical Corp
Current assignee: Zhejiang Nuclear Core Fluid Equipment Co ltd; China Petroleum and Chemical Corp
Priority date: 2022-03-12
Filing date: 2022-03-12
Publication date: 2022-12-06
Anticipated expiration: 2032-03-12

Abstract

The utility model discloses a reduce maintenance cost's residual oil hydrogenation raw materials back flush filter, the filter is including barrel and a plurality of filter cores, the barrel internal partitioning becomes into oil feed chamber and produces the oil chamber, the filter core is located the oil feed intracavity, the filter core comprises a plurality of sections filter core units end to end connection in proper order, the filter core unit is including a plurality of main muscle, spiral winding has the wire on the main muscle, the upper end fixedly connected with upper junction plate of main muscle, the lower extreme fixedly connected with lower connecting plate of main muscle, the filter core unit fixed connection baffle of filter core top, the filter core unit connection of filter core bottom has the apron, fixed connection between the adjacent filter core unit in the filter core, be equipped with a plurality of intercommunicating pores on the baffle. The utility model discloses a reduce residual oil hydrogenation raw materials back flush filter and maintenance method of maintenance cost, the effectual maintenance cost that reduces residual oil hydrogenation raw materials back flush filter has improved the life of filter core, has ensured the filterable stability of filter.

Description

Residual oil hydrogenation raw material backwashing filter capable of reducing maintenance cost

Technical Field

The utility model belongs to the technical field of the filter, concretely relates to residual oil hydrogenation raw materials back flush filter who reduces maintenance cost.

Background

The applicant discloses an aviation kerosene filter in utility model patent application No. CN 201820708461.8. The aviation kerosene filter specifically discloses a barrel, a filter element, an upper end cover at the upper end of the barrel, a lower end cover at the lower end of the barrel, a partition board inside the barrel, and the filter element, and comprises a fixed plate, a fixed ring, an inner rib, a spiral ring and other technical characteristics. The working principle is as follows: a certain gap is formed between two adjacent circles of the spiral ring in the filter element, and a certain gap is formed between two adjacent inner ribs, so that the filter element with the filtering effect is formed. The booster pump is given into the oil pocket and is annotated the fluid that has certain pressure, and inside fluid entered into the filter core through the clearance in the filter core from the filter core outside, impurity in the fluid can not enter into the filter core through the clearance in the filter core inside, and the fluid through the filtration entered into the oil outlet chamber, accomplishes and filters. The screw pitch of adjustment helicoidal and the adjacent two distances of following between the interior muscle in the skeleton to can obtain the filter core that has different filtration grades, satisfy different operation requirements. Through continuous research and application, the catalyst has important application value in the field of residue hydrogenation. Except the filtering effect, the filter also has the back washing capacity, the service life of the filter is further prolonged, and the filtering effect can be ensured for a long time. However, the filter has the following problems found in the practical application: 1. all the filter elements are in the shape of a whole long rod, the processing is convenient, the installation is convenient, the length of the filter elements in the product in practical use reaches several meters, the diameter of the filter elements is only ten centimeters, the larger length-diameter ratio enables the filter elements to easily generate shaking deformation in the high-pressure filtration and back washing processes, the collision between the adjacent filter elements is easily caused by overlarge vibration, the filtration effect of the filter elements is reduced, the service life of the filter elements is influenced, and the use cost of the filter elements is increased; 2. the used filter element is analyzed, and the reason that the filtering effect of the filter element used for a long time is reduced is mainly that welding points at the lower end of the filter element are easy to separate due to vibration, once the filtering effect is reduced, the whole filter element needs to be replaced at the same time, and the maintenance cost of the filter is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a technical scheme is: the filter comprises a cylinder body and a plurality of filter elements, wherein an openable upper end cover is fixedly installed at the upper end of the cylinder body, an openable lower end cover is fixedly installed at the lower end of the cylinder body, the interior of the cylinder body is divided into an oil inlet cavity and an oil outlet cavity through a partition board which is detachably installed on the cylinder body, the filter elements are located in the oil inlet cavity and are respectively installed on the partition board, each filter element is respectively formed by sequentially connecting a plurality of filter element units end to end, each filter element unit comprises a plurality of main ribs which are enclosed into a circle, metal wires are spirally wound on the main ribs, the contact parts of the metal wires and the main ribs form welding points, the upper ends of the main ribs are fixedly connected with an upper connecting plate, the lower ends of the main ribs are fixedly connected with a lower connecting plate, through holes which are communicated with the interiors of the filter element units are respectively arranged on the upper connecting plate and the lower connecting plate, a plurality of butt-joint holes are respectively arranged around the through bolts which penetrate through the part of the butt-joint holes of the upper connecting plate, the lower connecting plate of the filter element units at the lowest ends of the filter elements are fixedly connected with the lower connecting plate through bolts which penetrate through the part of the butt-joint holes, and are respectively communicated with the corresponding filter elements, and the corresponding filter elements.

Preferably, the upper connecting plate and the lower connecting plate are respectively provided with a sealing ring groove, and a sealing ring is placed in the sealing ring groove.

Preferably, the lower end of the partition board is fixed with a plurality of inserting pipes, the inserting pipes correspond to the communicating holes one by one, and the inserting pipes are inserted into the through holes of the connecting plates on the filter element units at the uppermost ends of the corresponding filter elements.

Preferably, the periphery of the insertion pipe is provided with a plurality of threaded blind holes for threaded connection of bolts.

Preferably, the upper connecting plate and the lower connecting plate are square with the same size.

Preferably, the filter elements are arranged in an array, and one side of each upper connecting plate on each filter element is attached to one side of the corresponding upper connecting plate on the adjacent filter element.

Preferably, four corners of the upper connecting plate and four corners of the lower connecting plate are rounded corners respectively.

The utility model has the advantages that: the utility model discloses a reduce residual oil hydrogenation raw materials back flush filter of maintenance cost has effectually reduced residual oil hydrogenation raw materials back flush filter's maintenance cost, has improved the life of filter core, has ensured the filterable stability of filter.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of a cartridge;

FIG. 3 is a schematic view of the construction of the cartridge unit;

fig. 4 is a schematic view of the fit between adjacent cartridges.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a residual oil hydrogenation raw material backwashing filter capable of reducing maintenance cost comprises a cylinder 1 and a plurality of filter elements 2, wherein an openable upper end cover 3 is fixedly installed at the upper end of the cylinder 1, an openable lower end cover 4 is fixedly installed at the lower end of the cylinder 1, the interior of the cylinder 1 is divided into an oil inlet cavity 6 and an oil outlet cavity 7 by a partition plate 5 detachably installed on the cylinder 1, the filter elements 2 are located in the oil inlet cavity 6 and are respectively installed on the partition plate 5, each filter element 2 is respectively formed by sequentially connecting a plurality of filter element units 8 end to end, each filter element unit 8 comprises a plurality of main ribs which are enclosed into a circle, metal wires are spirally wound on the main ribs, a welding point is formed at a contact part of the metal wires and the main ribs, an upper connecting plate 9 is fixedly connected to the upper end of each main rib, a lower connecting plate 10 is fixedly connected to the lower end of each main rib, through holes 11 for communicating the interior of the filter element unit 8 are respectively arranged on the upper connecting plate 9 and the lower connecting plate 10, a plurality of butt joint holes 12 are respectively arranged around the through the corresponding bolt fixing holes 14 of the filter element units, the filter elements 2, and the filter elements 2 are respectively connected to the corresponding through the bolt fixing connecting plates 14, and the corresponding to the lower connecting plate 12 of the filter element units 14. Part of the butt joint holes 12 are used for penetrating bolts to achieve a connecting effect, and the rest of the butt joint holes 12 achieve a conducting effect, so that the influence of the upper connecting plate 9 and the lower connecting plate 10 on liquid flowing in the barrel 1 is reduced. Filter core 2 is end to end connection in proper order by multistage filter core unit 8, can replace the filter core unit 8 that damages like this, and filter core unit 8 that the filter effect is still good can remain and continue to use, has reduced the maintenance replacement cost of filter core 2.

Furthermore, a sealing ring groove 15 is respectively arranged on the upper connecting plate 9 and the lower connecting plate 10, and a sealing ring is placed in the sealing ring groove 15. The sealing ring plays a role in sealing, and oil liquid leakage cannot occur at the upper connecting plate 9 and the lower connecting plate 10 of the filter element unit 8.

Furthermore, a plurality of inserting pipes 16 are fixed at the lower end of the partition plate 5, the inserting pipes 16 correspond to the communicating holes 14 one by one, and the inserting pipes 16 are inserted into the through holes 14 of the connecting plates 9 on the filter element unit 8 at the uppermost end of the corresponding filter element 2. The plug-in pipe 16 facilitates the easy and quick installation of the filter insert 2 on the partition 5.

Furthermore, the partition plates 5 around the insertion pipe 16 are provided with a plurality of threaded blind holes for threaded connection of bolts. Compare in the screw hole of terminal surface about the intercommunication baffle 5, the screw hole seepage of the reducible fluid of screw thread blind hole to the chamber 7 that produces oil through the intercommunication.

Further, the upper connecting plate 9 and the lower connecting plate 10 are square with the same size.

Furthermore, the filter elements 2 are arranged in an array, and one side of the upper connecting plate 9 on each filter element 2 is attached to the corresponding upper connecting plate 9 on the adjacent filter element 2. Therefore, the mutual supporting effect can be formed between the adjacent filter elements 2 at intervals, and the damage to the filter elements 2 caused by the large-length-diameter filter elements, particularly the overlarge shaking amplitude of the lower ends of the filter elements 2, is avoided. The square upper and lower webs 9, 10 increase the contact area between adjacent filter elements 2, all filter elements 2 being able to form an integral body of interaction and influence.

Furthermore, the four corners of the upper connecting plate 9 and the four corners of the lower connecting plate 10 are rounded corners 17, respectively. The fillet 17 makes the passageway that supplies fluid to pass through have between the upper and lower filter element unit 8, ensures that upper filter element unit 8 also can effectual performance filtering action.

The filter is regularly maintained and changed, take out baffle 5 from barrel 1 when changing at every turn, dismantle filter core 2 from baffle 5 respectively, then take off a filter core unit 8 of the bottom of every filter core 2, connect the upper end of filter core 2 with new filter core unit 8, then link to each other upper junction plate 9 with new filter core unit 8 with baffle 5, pack the baffle 5 back into barrel 1 after all filter cores 2 replacement is accomplished in, accomplish the maintenance of filter. The inner wall of the cylinder body 1 is connected with a mounting ring 18, the filter element 2 is inserted into the oil inlet cavity 6, the periphery of the rear partition plate 5 is placed on the mounting ring 18, and the filter element is fixedly connected through a sealing gasket, a bolt and the like.

It is worth mentioning that the technical features such as main reinforcement and metal wire that the utility model discloses the patent application relates to should be regarded as prior art, and the concrete structure of these technical features, theory of operation and the control mode that may involve, spatial arrangement mode adopt the conventional selection in this field can, should not be regarded as the invention point of the utility model patent is in, the utility model patent does not do further specifically expand the detailed description.

Having described in detail preferred embodiments of the present invention, it is to be understood that modifications and variations can be made by persons skilled in the art without inventive faculty, and therefore all technical solutions which can be obtained by a person skilled in the art based on the concepts of the present invention through logic analysis, reasoning or limited experimentation will fall within the scope of protection defined by the claims.

Claims

1. The filter is characterized in that each filter element is formed by sequentially connecting a plurality of filter element units end to end, each filter element unit comprises a plurality of main ribs which form a circle, metal wires are spirally wound on the main ribs, welding points are formed at the contact parts of the metal wires and the main ribs, an upper connecting plate is fixedly connected to the upper ends of the main ribs, a lower connecting plate is fixedly connected to the lower ends of the main ribs, through holes which communicate with the interiors of the filter element units are respectively arranged on the upper connecting plate and the lower connecting plate, a plurality of butt joint holes are respectively formed around the through holes, each filter element unit at the uppermost end is fixedly connected with the partition plate through bolts which pass through part of the butt joint holes of the upper connecting plate, the lower connecting plate of each filter element unit at the lowermost end is fixedly connected with the corresponding filter elements through bolts which pass through part of the butt joint holes of the lower connecting plate, and the filter elements are correspondingly connected with the corresponding filter elements one by one.

2. The residual hydrogenation feedstock backwashing filter for reducing maintenance costs of claim 1, wherein the upper connecting plate and the lower connecting plate are respectively provided with a sealing ring groove, and a sealing ring is placed in the sealing ring groove.

3. The residual oil hydrogenation raw material backwashing filter capable of reducing the maintenance cost according to claim 2, wherein a plurality of insertion pipes are fixed at the lower end of the partition plate, the insertion pipes correspond to the communication holes one by one, and the insertion pipes are inserted into through holes of the upper connection plates of the filter element units at the uppermost ends of the corresponding filter elements.

4. The residual oil hydrogenation raw material backwashing filter for reducing the maintenance cost according to claim 3, wherein a plurality of threaded blind holes for threaded connection of bolts are formed around the insertion pipe.

5. The reduced maintenance cost backwash filter for a residuum hydrogenation feedstock of claim 4 wherein said upper and lower connection plates are square in shape and are of equal size.

6. The residual oil hydrogenation feedstock backwash filter for reducing maintenance costs according to claim 5, wherein the filter elements are arranged in an array, and one side of the upper connection plate on a filter element is attached to one side of the corresponding upper connection plate on an adjacent filter element.

7. The residual hydrogenation feedstock backwash filter for reducing maintenance costs according to claim 6, wherein the four corners of the upper connecting plate and the four corners of the lower connecting plate are rounded corners, respectively.