CN218833750U

CN218833750U - High-temperature and high-pressure resistant filter

Info

Publication number: CN218833750U
Application number: CN202223508095.7U
Authority: CN
Inventors: 赵坤念
Original assignee: Wuxi Inote Filtration System Co ltd
Current assignee: Wuxi Inote Filtration System Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-04-11
Anticipated expiration: 2032-12-27

Abstract

The utility model belongs to the technical field of filtering equipment, in particular to a high-temperature and high-pressure resistant filter, which comprises a filtering tank body, wherein a rotating shaft is arranged in the filtering tank body, and the upper end of the rotating shaft is connected with a transmission shaft; the transmission shaft drives the scraper on the rotating shaft to rotate through the driving mechanism to scrape impurities on the filter screen, and the transmission shaft is connected with the upper cover of the filter tank body in a sealing manner through a mechanical seal. The utility model provides a high temperature and high pressure resistant filter, through last quiet ring and last rotating ring, lower quiet ring forms the sealing ring of two pairs of perpendicular to axles making relative slip's terminal surface with lower rotating ring, and keep laminating formation mechanical seal under the internal fluid pressure of filter jar and compression spring's elasticity compensation, it is sealed to replace packing or O type circle, promote to temperature resistant 300 degrees by temperature resistant 150 degrees, withstand voltage 26KG promotes to 64KG, and then promote the high pressure and the high temperature performance of whole filter, further avoid the feed liquid to leak, guarantee the normal operating of equipment.

Description

High-temperature and high-pressure resistant filter

Technical Field

The utility model belongs to the technical field of filtration equipment, concretely relates to high temperature and high pressure resistant filter.

Background

Scraper formula self-cleaning filter is one kind and utilizes the impurity of filter screen direct interception aquatic, gets rid of water suspended solid, particulate matter, reduces the turbidity, and water purification reduces system's dirt, fungus algae, corrosion etc. and produces to the precision equipment of water purification and other equipment normal workings of protection system, water get into self-cleaning filter organism by the water inlet, because intelligent design, but the system automatic identification impurity deposit degree gives the automatic blowdown of blowoff valve signal.

The utility model discloses a built-in scraper of self-cleaning filter, it contains including filter body, installs motor assembly on this filter body, motor assembly's power take off axle head extend to this internal butt joint with scraper main shaft axial of filter, the lower extreme of this scraper main shaft and filter body's bottom rotate to be connected the cooperation, the periphery of scraper main shaft is provided with the scraper holder of several circumference equipartition, installs the scraper on every scraper holder, scraper and scraper main shaft between be provided with compensation arrangement, this compensation arrangement counts two altogether, two compensation arrangement are located the upper and lower both ends of scraper holder respectively, utilize scraper and main shaft to be provided with the mode of carrying out elastic compensation of a compensation arrangement among the above-mentioned technical scheme, avoided the laminating of scraper and filter screen too tight or the condition of too pine, when having ensured scraping effect, stopped because of the phenomenon that the scraper laminating is too tight to reduce the life of filter screen. Also, for example, the patent application with publication number CN115193123A discloses a slag-scraping type filtering system, a filter and a filtering structure thereof, wherein the filtering structure comprises a filtering ring plate, which is arranged inside a filtering cylinder, and the filtering ring plate and the inner wall of the filtering cylinder form a filtering cavity; the side wall of the filtering ring plate is provided with a plurality of filtering holes, and the filtering ring plate is in a hollow cylinder shape. According to the invention, the inside of the filter cylinder and the collecting cylinder can be sealed and isolated through the communicating component, so that substances to be filtered can be conveniently filtered into the filter cavity along the filter ring plate; when the impurity that is filtered is carried out the secondary filter in needs, drive a plurality of scraper subassemblies and start, will filter the impurity that adheres on the crown plate and scrape down, the scraper subassembly drives the intercommunication subassembly and opens the surge drum in the pivoted, filters the inside impurity that is filtered and the impurity that is scraped by the scraper subassembly and gets into the inside of surge drum of crown plate to treating to carry out the secondary filter, improved this filter effect and the filtration efficiency of scraping sediment formula filter.

Because the packing seal or the O-shaped ring seal are used for sealing the motor reducer and the scraper frame connecting shaft part of the existing scraper type filter, the scraper type filter does not have the functions of high temperature resistance and high pressure resistance, has low use safety performance, and easily causes the condition of untight sealing in the operation process of equipment, thereby causing the leakage of feed liquid and influencing the normal operation of the equipment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to above-mentioned prior art, the utility model provides a high temperature and high pressure resistant filter, the purpose is that it is sealed to be the filler in order to solve current scraper filter motor reducer and scraper frame connecting axle part sealing use, does not possess high temperature resistant high pressure resistant function, and the safety in utilization performance is low, appears sealed not tight condition easily to lead to the feed liquid to leak, influence the technical problem of the normal operating of equipment.

The utility model provides a high temperature and high pressure resistant filter, concrete technical scheme is as follows:

the high-temperature and high-pressure resistant filter comprises a filtering tank body, wherein a rotating shaft is arranged in the filtering tank body, and the upper end of the rotating shaft is connected with a transmission shaft; the transmission shaft passes through the actuating mechanism drive and pivots the scraper and rotates and strike off the impurity on the filter screen, the transmission shaft pass through mechanical seal with filter the upper cover sealing connection of the jar body, mechanical seal include with upper cover sealing connection's base cover and connect the outer axle sleeve of transmission shaft, the base cover is established the transmission shaft, the top of base cover is supported and has been met quiet ring down, quiet ring top is supported and has been met down the rotating ring down, peripheral cover is equipped with quiet ring on the axle sleeve, the below of going up quiet ring is supported and has been met the rotating ring, go up the rotating ring with the equal slip cap of rotating ring is located down the axle sleeve just can along the length direction of axle sleeve removes, go up the rotating ring with be provided with compression spring between the rotating ring down. Go up the rotating ring and slide with lower rotating ring homoenergetic, and then cooperate respectively and go up quiet ring and form relative gliding terminal surface down to provide elasticity compensation effect by pressure spring, form the sealing connection to transmission shaft and filter tank, and then prevent fluid leakage.

In some embodiments, the lower stationary ring is abutted to the base sleeve through a pressing ring, and a first sealing ring is arranged between the lower stationary ring and the pressing ring. The first sealing ring is arranged to ensure the sealing performance of the lower static ring and the pressure ring.

In some embodiments, the mechanical seal further includes an outer casing, a sealing cavity is formed between the outer casing and the base sleeve, the outer casing includes an upper gland and a lower casing cover, the upper stationary ring abuts against the upper moving ring through the upper gland, a second sealing ring is arranged between the upper stationary ring and the upper gland, and the bottom end of the lower casing cover abuts against the base sleeve and the upper end abuts against the upper gland. The upper movable ring, the lower movable ring, the upper static ring, the lower static ring, the compression spring and the compression ring are all arranged in the sealing cavity. The second sealing ring ensures the sealing performance between the upper static ring and the upper gland.

Furthermore, the upper gland is provided with an oil filling hole, the oil filling hole is communicated with an oil filling cavity, the oil filling cavity is communicated with the sealing cavity, the upper gland is further provided with a liquid sealing interface, the liquid sealing interface is communicated with the sealing cavity, the periphery of the lower sleeve cover is coated with a cooling jacket, and the cooling jacket is provided with a cooling water inlet and a cooling water outlet. The oil filling hole is filled with lubricant to reduce the friction between the dynamic ring and the static ring. The temperature transmitted from the tank body can be better reduced by introducing cooling water. The liquid sealing interface is used for connecting a liquid sealing tank (balance tank) and can be suitable for higher pressure working conditions and application range.

In some embodiments, a third sealing ring is arranged between the lower rotating ring and the shaft sleeve, and a fourth sealing ring is arranged between the upper rotating ring and the shaft sleeve. The third sealing ring and the fourth sealing ring ensure the sealing performance between the upper movable ring, the lower movable ring and the shaft sleeve.

In some embodiments, a fifth sealing ring and a sixth sealing ring are sleeved outside the transmission shaft, and the fifth sealing ring and the sixth sealing ring are clamped in a clamping groove formed in the shaft sleeve. And the fifth sealing ring and the sixth sealing ring ensure the sealing property between the transmission shaft and the shaft sleeve.

In some embodiments, the shaft is coupled to the drive shaft by a sprocket coupling. The chain wheel coupling reduces the influence of an upper shaft on the mechanical seal caused by non-concentricity and prolongs the service life of the mechanical seal.

In some embodiments, the scraper is connected to the rotating shaft through a scraper frame, buffer springs are arranged at two ends of the scraper, and the scraper abuts against the filter screen. The buffer spring is used for buffering the friction vibration between the scraper and the filter screen.

In some embodiments, a support frame is arranged at the bottom inside the filter tank body, an annular mounting groove is formed in the support frame, the bottom end of the filter screen is arranged in the annular mounting groove, and the bottom end of the filter screen and the mounting groove support are further provided with a flexible graphite pad. The flexible graphite pad is high temperature resistant and can be used for filtering high temperature liquid.

In some embodiments, the upper part of the filtering tank body is connected with a feeding pipe, the side wall of the filtering tank body is connected with a discharging pipe, and the bottom of the filtering tank body is connected with a sewage discharge pipe; the driving mechanism is a motor, the motor is fixedly connected with the upper cover through a support, and the transmission shaft penetrates through the upper cover to be connected with the output end of the motor. The material enters from the feed pipe, enters the filter screen for filtration, and is discharged from the discharge pipe. The scraper is driven by a motor to rotate, scrapes off dirt on the filter screen, discharges into the bottom of the filter tank body, and then discharges through a blow-off pipe.

The utility model discloses following beneficial effect has: the utility model provides a high temperature and high pressure resistant filter, through last quiet ring and last rotating ring, quiet ring forms the sealing ring of two pairs of perpendicular to axle work relative slip's terminal surface down with lower rotating ring, and keep laminating formation mechanical seal under the elasticity compensation of filtering jar internal fluid pressure and compression spring through the compensating tank, it is sealed to replace packing or O type circle, promote to temperature resistant 300 degrees by temperature resistant 150 degrees, withstand voltage 26KG promotes to 64KG, and then promote whole filter's high pressure and high temperature resistance, further avoid the feed liquid to leak, the normal operating of assurance equipment.

Drawings

Fig. 1 is a schematic plan view of a filter resistant to high temperature and high pressure in embodiment 1 of the present invention;

FIG. 2 is a schematic view of a partial cross-sectional structure of a filter resistant to high temperature and high pressure in example 1 of the present invention;

fig. 3 is a schematic sectional view of a mechanical seal according to embodiment 1 of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.

Example 1

The specific technical scheme of the high-temperature and high-pressure resistant filter provided by the embodiment is as follows:

as shown in fig. 1-3, the high temperature and high pressure resistant filter comprises a filter tank body 1, a rotating shaft 11 is arranged in the filter tank body 1, a scraper 13 is connected with the rotating shaft 11 through a scraper frame 12, buffer springs 15 are arranged at two ends of the scraper 13, and the scraper 13 is abutted against a filter screen 14. The bottom in the filter tank body 1 is equipped with support frame 16, has seted up annular mounting groove on the support frame 16, and in annular mounting groove was located to the bottom of filter screen 14, filter screen 14 bottom and mounting groove support still were equipped with flexible graphite pad 17. The upper portion of the filtering tank body 1 is connected with a feeding pipe 181, the side wall of the filtering tank body 1 is connected with a discharging pipe 182, and the bottom of the filtering tank body 1 is connected with a sewage draining pipe 183. The upper end of the rotating shaft 11 is connected with a transmission shaft 19 through a chain wheel coupler 191, the motor 3 is fixedly connected with the upper cover 2 through a support 31, and the transmission shaft 19 penetrates through the upper cover 2 to be connected with the output end of the motor 3. The transmission shaft 19 drives the scraper 13 on the rotating shaft 11 to rotate through the motor 3 to scrape impurities on the filter screen 14, and the transmission shaft 19 is connected with the upper cover 2 of the filter tank body 1 in a sealing way through the mechanical seal 4.

The mechanical seal 4 comprises a base sleeve 41 connected with the upper cover 2 in a sealing manner and a shaft sleeve 42 connected outside the transmission shaft 19, the transmission shaft 19 is sleeved with the base sleeve 41, a lower stationary ring 431 is abutted to the upper portion of the base sleeve 41, a lower moving ring 432 is abutted to the upper portion of the lower stationary ring 431, an upper stationary ring 441 is sleeved on the upper periphery of the shaft sleeve 42, an upper moving ring 442 is abutted to the lower portion of the upper stationary ring 441, the shaft sleeve 42 is sleeved with the upper moving ring 442 and the lower moving ring 432 in a sliding manner, the upper moving ring 442 and the lower moving ring 432 can move along the length direction of the shaft sleeve 42, and a compression spring 45 is arranged between the upper moving ring 442 and the lower moving ring 432. Wherein, lower stationary ring 431 passes through clamping ring 433 and butts base cover 41, is equipped with first sealing washer 434 between lower stationary ring 431 and clamping ring 433. The mechanical seal 4 further comprises an outer casing, a sealing cavity is formed between the outer casing and the base sleeve 41, the outer casing comprises an upper gland 46 and a lower gland 47, the upper stationary ring 441 is abutted to the upper movable ring 442 through the upper gland 46, a second sealing ring 443 is arranged between the upper stationary ring 441 and the upper gland 46, and the bottom end of the lower gland 47 is abutted to the base sleeve 41 and the upper end of the lower gland is abutted to the upper gland 46. An oil filling hole 461 is formed in the upper pressing cover 46, the oil filling hole 461 is communicated with an oil filling cavity 462, the oil filling cavity 462 is communicated with a sealing cavity, a liquid sealing connector 463 is further formed in the upper pressing cover 46 and is communicated with the sealing cavity, a cooling jacket 471 is wrapped on the periphery of the lower sleeve cover 47, and the cooling jacket 471 is provided with a cooling water inlet 472 and a cooling water outlet 473. A third sealing ring 435 is arranged between the lower rotating ring 432 and the shaft sleeve 42, and a fourth sealing ring 444 is arranged between the upper rotating ring 442 and the shaft sleeve 42. A fifth sealing ring 421 and a sixth sealing ring 422 are sleeved outside the transmission shaft 19, and the fifth sealing ring 421 and the sixth sealing ring 422 are clamped in a clamping groove formed in the shaft sleeve 42.

To sum up, the utility model provides a high temperature and high pressure resistant filter, through last quiet ring 441 and last rotating ring 442, quiet ring 431 forms the sealing ring of two pairs of perpendicular to axle relative sliding's terminal surfaces down with lower rotating ring 432, and keep laminating formation mechanical seal 4 under the elasticity compensation of filtering jar internal fluid pressure of body 1 and pressure spring 45 through the compensating tank, it is sealed to replace packing or O type circle, promote to temperature resistant 300 degrees by temperature resistant 150 degrees, withstand voltage 26KG promotes to 64KG, and then promote whole filter's high pressure and high temperature resistance, further avoid the feed liquid to leak, guarantee the normal operating of equipment.

The above-mentioned only the utility model discloses the feasible embodiment of preferred is not right the utility model discloses a restriction, the utility model discloses also not be limited to the above-mentioned example, technical field's technical personnel the utility model discloses an in the essential scope, change, modification, interpolation or replacement made also should belong to the utility model discloses a protection scope.

Claims

1. The high-temperature and high-pressure resistant filter comprises a filtering tank body, wherein a rotating shaft is arranged in the filtering tank body, and the upper end of the rotating shaft is connected with a transmission shaft; the transmission shaft passes through the actuating mechanism drive and rotates the epaxial scraper of commentaries on classics and strike off the impurity on the filter screen, a serial communication port, the transmission shaft pass through mechanical seal with filter the upper cover sealing connection of the jar body, mechanical seal include with upper cover sealing connection's base cover and connect the outer axle sleeve of transmission shaft, the base cover is established the transmission shaft, the top of base cover is supported and has been connect quiet ring down, quiet ring top is supported and has been connected down the rotating ring down, peripheral cover is equipped with quiet ring on the axle sleeve, the below of going up quiet ring is supported and has been connected the rotating ring, go up the rotating ring with the equal sliding sleeve of rotating ring is located down the axle sleeve just can along the length direction of axle sleeve removes, go up the rotating ring with be provided with pressure spring down between the rotating ring.

2. The filter of claim 1, wherein the lower stationary ring abuts against the base sleeve through a compression ring, and a first sealing ring is arranged between the lower stationary ring and the compression ring.

3. The filter of claim 1, wherein the mechanical seal further comprises an outer casing, a sealing cavity is formed between the outer casing and the base sleeve, the outer casing comprises an upper gland and a lower casing cover, the upper stationary ring is abutted to the upper moving ring through the upper gland, a second sealing ring is arranged between the upper stationary ring and the upper gland, the bottom end of the lower casing cover is abutted to the base sleeve, and the upper end of the lower casing cover is abutted to the upper gland.

4. The high-temperature and high-pressure resistant filter as claimed in claim 3, wherein the upper gland is provided with an oil injection hole, the oil injection hole is communicated with an oil injection cavity, the oil injection cavity is communicated with the sealing cavity, the upper gland is further provided with a liquid sealing interface, the liquid sealing interface is communicated with the sealing cavity, the periphery of the lower cover is wrapped with a cooling jacket, and the cooling jacket is provided with a cooling water inlet and a cooling water outlet.

5. The filter of claim 1, wherein a third sealing ring is disposed between the lower rotating ring and the shaft sleeve, and a fourth sealing ring is disposed between the upper rotating ring and the shaft sleeve.

6. The high-temperature and high-pressure resistant filter according to claim 1, wherein a fifth sealing ring and a sixth sealing ring are sleeved outside the transmission shaft, and the fifth sealing ring and the sixth sealing ring are clamped in a clamping groove formed in the shaft sleeve.

7. The filter of claim 1, wherein the shaft is connected to the shaft by a sprocket coupling.

8. The filter of claim 1, wherein the scraper is connected to the rotating shaft through a scraper frame, buffer springs are arranged at two ends of the scraper, and the scraper abuts against the filter screen.

9. The filter of claim 1, wherein a support frame is disposed at the bottom of the filter tank, an annular mounting groove is disposed on the support frame, the bottom end of the filter screen is disposed in the annular mounting groove, and flexible graphite pads are disposed at the bottom end of the filter screen and the mounting groove support.

10. The high-temperature and high-pressure resistant filter as claimed in claim 1, wherein the upper part of the filtering tank body is connected with a feeding pipe, the side wall of the filtering tank body is connected with a discharging pipe, and the bottom of the filtering tank body is connected with a drain pipe; the driving mechanism is a motor, the motor is fixedly connected with the upper cover through a support, and the transmission shaft penetrates through the upper cover to be connected with the output end of the motor.