CN217961509U

CN217961509U - Long service life's residual oil hydrogenation raw materials back flush filter

Info

Publication number: CN217961509U
Application number: CN202220538659.2U
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 long service life's back flush filter of residual oil hydrogenation raw materials, including barrel and a plurality of filter cores, the barrel internal partitioning becomes oil feed chamber and the chamber of producing oil, 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 the butt joint hole on upper junction plate and the lower connecting plate, the butt joint hole falls into bolted connection hole, stable connecting hole and to the discharge orifice. The utility model discloses the effectual maintenance cost who reduces residual oil hydrogenation raw materials back flush filter has guaranteed back flush efficiency and effect simultaneously, has improved the life of filter core, has ensured the filterable stability of filter.

Description

Long service life's residual oil hydrogenation raw materials back flush filter

Technical Field

The utility model belongs to the technical field of the filter, concretely relates to long service life's back flush filter of residual oil hydrogenation raw materials.

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, wherein the filter element comprises a fixing plate, a fixing 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 the spiral coil and the distance between two adjacent inner ribs in the framework are adjusted, so that filter elements with different filtering grades can be obtained, and different use requirements are met. Through continuous research and application, the catalyst has important application value in the field of residue hydrogenation. Except that can realize the filtering action, this filter still possesses the back flush ability, has further improved the life of filter, can guarantee the filter effect 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 to find that the reason that the filtering effect of the filter element used for a long time is reduced is mainly that welding spots at the lower end of the filter element are easy to be separated due to vibration, once the filtering effect is reduced, the whole filter element is required to be replaced at the same time, and the maintenance cost of the filter is increased; 3. certain vibration is beneficial to back washing of the filter, and the filter element is easy to damage due to overlarge vibration amplitude, so that the vibration conditions of different parts of the filter element need to be improved and controlled

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a long service life's residue oil hydrogenation raw materials back flush filter, includes barrel and a plurality of filter core, the upper end cover that can open of fixed mounting in barrel upper end, barrel lower extreme fixed mounting have the lower cover that can open, the barrel is inside to separate into oil feed chamber and the chamber of producing oil through the baffle of demountable installation on the barrel, the filter core is located the oil feed intracavity and installs respectively on the baffle, every the filter core comprises a plurality of sections filter core units end to end connection in proper order respectively, and every section filter core unit is including a plurality of main muscle that enclose into the round, and spiral winding has the wire on the main muscle, and the wire forms the welding point with the contact site of main muscle, the upper end fixedly connected with upper junction plate of main muscle, and the lower extreme fixedly connected with lower connecting plate of main muscle, is equipped with the inside through-hole of intercommunication filter core unit respectively on upper junction plate and the lower connecting plate, is equipped with a plurality of intercommunicating pores around the through-hole respectively, and a plurality of stable connecting hole and a plurality of intercommunicating pore around every through the bolt fixed connection hole of bolt connection hole, every filter core unit of the uppermost end is equipped with the bolt fixed connection baffle through the bolt connection baffle under the lower connecting plate, and the filter core passes through the adjacent connection hole of bolt connection hole respectively, and the filter core passes through the filter core piece, and the filter core is connected with the adjacent connection hole in the filter core unit, and the filter core is connected with the filter core.

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.

As the optimization of the technical scheme, a plurality of threaded blind holes for threaded connection of the bolts are formed in the periphery of the insertion pipe.

Preferably, the upper connecting plate and the lower connecting plate are squares with equal size, the filter elements are arranged in an array, and a gap is formed between every two adjacent filter elements.

As above-mentioned technical scheme's preferred, the elastic component is for having open-ended circular arc spare, and the both ends outside of circular arc spare is equipped with the bayonet socket respectively, and the both ends of circular arc spare are inserted respectively in the corresponding stable connecting hole on two adjacent filter cores.

The utility model has the advantages that: the utility model discloses a long service life's back flush filter of residual oil hydrogenation raw materials, the effectual maintenance cost that reduces back flush filter of residual oil hydrogenation raw materials has guaranteed back flush efficiency and effect simultaneously, 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 the construction of the 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;

fig. 5 is a schematic view of the structure of the elastic member.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 is to 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. 1-5, the backwash filter for residual oil hydrogenation raw material with long service life 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 which is detachably installed on the cylinder 1, the filter elements 2 are positioned 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, welding points are formed at the contact parts of the metal wires and the main ribs, an upper connecting plate 9 is fixedly connected at the upper end of each main rib, and a lower connecting plate 10 is fixedly connected at the lower end of each main rib, the upper connecting plate 9 and the lower connecting plate 10 are respectively provided with through holes 11 communicated with the interior of the filter element unit 8, the periphery of each through hole 11 is respectively provided with a plurality of butt joint holes, the butt joint holes at the periphery of each through hole 11 are divided into a plurality of bolt connecting holes 12, a plurality of stable connecting holes 20 and a plurality of butt joint holes 21, the filter element unit 8 at the uppermost end of each filter element 2 is fixedly connected with a clapboard 5 through bolts penetrating through the bolt connecting holes 12 of the upper connecting plate 9, the lower connecting plate 10 of the filter element unit 8 at the lowermost end of each filter element 2 is fixedly connected with a cover plate 13 through bolts penetrating through the bolt connecting holes 12 of the lower connecting plate 10, the clapboard 5 is provided with a plurality of communication holes 14, the communication holes 14 are in one-to-one correspondence with the filter elements 2 and are respectively communicated with the interior of the corresponding filter elements 2, the adjacent filter element units 8 in each filter element 2 are fixedly connected through bolts penetrating through the bolt connecting holes 12, and the adjacent filter elements 2 are connected through a plurality of elastic pieces, both ends of the elastic member are respectively caught in the stabilizing connection holes 20. The bolt connecting holes 12 play a connecting role, the stabilizing connecting holes 20 play a role in installing elastic pieces between adjacent filter elements 2, the flow holes 21 are communicated, and the influence of the upper connecting plate 9 and the lower connecting plate 10 on liquid flowing in the cylinder body 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. The elastic piece enables the filter elements 2 to allow certain vibration, so that the backwashing effect and efficiency are improved during backwashing, and meanwhile collision and abrasion between the adjacent filter elements 2 are avoided. By controlling the elasticity of the elastic part, the vibration of the filter element 2 can be controlled within an optimal range, the service life of the filter element 2 is not influenced, and the backwashing effect can be ensured.

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. The filter elements 2 are arranged in a row, and a gap is arranged between the adjacent filter elements 2. This allows the filter element 2 to be vibrated individually, ensuring a backwashing effect.

Further, the elastic part is an arc part 22 with an opening, bayonets 23 are respectively arranged on the outer sides of two ends of the arc part 22, and two ends of the arc part 22 are respectively inserted into the corresponding stabilizing connecting holes 20 on the two adjacent filter elements 2. The number of the bolt connecting holes 12 on the periphery of each through hole 11 is 8, wherein each side of the square is respectively provided with 2. The number of the stable connection holes 20 at the periphery of each through hole 11 is 8, wherein two are arranged at each corner of the square. The number of convection holes 21 is at least four. So that the size of the circular arc members 22 can be uniform.

The filter is regularly maintained and changed, take out baffle 5 from the barrel when changing at every turn, dismantle filter core 2 from baffle 5 respectively, take off the elastic component of connecting between the filter core unit 8 of the lower extreme of adjacent filter core 2, take off the filter core unit 8 of every filter core 2 below again, connect the upper end of filter core 2 with new filter core unit 8, then link to each other new upper junction plate 9 of filter core unit 8 with baffle 5, and install the elastic component, pack the baffle 5 back into in the barrel 1 after all filter cores 2 replacement are accomplished, accomplish the maintenance of filter.

It is worth mentioning that the technical features such as the main rib and the metal wire related to the patent application of the present invention should be regarded as the prior art, and the specific structure, the operation principle of these technical features and the control mode and the spatial arrangement mode that may be related to are all conventional choices in the field, and should not be regarded as the invention point of the present invention, and the present invention does not further 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, a welding point is formed at the contact part of the metal wires and the main ribs, an upper connecting plate is fixedly connected to the upper end of each main rib, a lower connecting plate is fixedly connected to the lower end of each main rib, through holes which communicate 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, the butt joint holes around each through hole are divided into a plurality of bolt connecting holes, a plurality of stable connecting holes and a plurality of opposite flow holes, the filter element unit at the uppermost end of each filter element is fixedly connected with the partition plate through bolts which pass through the bolt connecting holes of the upper connecting plate, the lower connecting plate of the filter element unit at the lowermost end of each filter element passes through the bolt connecting holes of the lower connecting plate, a plurality of bolt connecting holes are correspondingly arranged on the bolt connecting holes of the bolt connecting holes, and the filter element units at the uppermost end of each filter element pass through the bolt connecting holes, and the adjacent bolt connecting holes, and the filter element is connected with the filter element through the corresponding elastic connecting holes, and the filter element is connected with the filter element.

2. The long-life backwash filter for a residual oil hydrogenation feedstock according to claim 1, wherein the upper connecting plate and the lower connecting plate are provided with sealing ring grooves, respectively, and sealing rings are placed in the sealing ring grooves.

3. A long-life residual oil hydrogenation raw material backwashing filter as claimed in claim 2, wherein a plurality of insertion pipes are fixed at the lower end of the partition plate, the insertion pipes are in one-to-one correspondence with the communication holes, 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 long-life residual oil hydrogenation raw material backwash filter as claimed in claim 3, wherein a plurality of blind threaded holes for threaded connection of bolts are provided around the insertion pipe.

5. A long-life residual oil hydrogenation feedstock backwash filter as claimed in claim 4, wherein said upper and lower connection plates are square and equal in size, and said filter elements are arranged in an array with gaps between adjacent filter elements.

6. A long-life residual oil hydrogenation raw material backwashing filter as claimed in claim 5, wherein the elastic member is an arc member having an opening, bayonets are respectively provided on outer sides of both ends of the arc member, and both ends of the arc member are respectively inserted into corresponding stabilizing connection holes of two adjacent filter elements.