Cooling device for rotary pressure filters
By introducing cooling and lubrication components into the cooling system of the rotary pressure filter, spraying coolant and injecting lubricating oil, the problem of overheating at the shaft end of the rotary pressure filter is solved, improving the stability and service life of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHINA PETROLEUM & CHEMICAL CORP
- Filing Date
- 2025-11-19
- Publication Date
- 2026-06-12
AI Technical Summary
The shaft end of a rotary pressure filter is prone to overheating during operation, which can lead to wear and aging of the sealing packing, affecting the stability and service life of the equipment.
A cooling device is designed, including a cooling component and a lubrication component. The cooling component sprays coolant onto the inner surface of the drum shaft end through a nozzle, and the lubrication component injects lubricating oil into the sealing packing through an oil injection nozzle, thereby realizing the recycling of coolant and lubricating oil and reducing friction and heat.
It effectively avoids the overheating problem at the drum shaft end of the rotary pressure filter, reduces the wear and aging of the sealing packing, and improves the stability and service life of the equipment.
Smart Images

Figure CN122183240A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of filtration equipment technology, and more specifically to a cooling device for the shaft end of a rotary pressure filter. Background Technology
[0002] Rotary pressure filters are widely used in industries such as chemical and petroleum processing. During operation, they generate heat in the shaft end sealing area. Due to continuous friction and pressure, the shaft end of the rotary pressure filter is prone to overheating, which accelerates the wear and aging of the sealing packing, affecting the stability and service life of the equipment. Summary of the Invention
[0003] In view of the above-mentioned problems existing in the prior art, the present invention provides a cooling device for a rotary pressure filter, which can effectively cool the shaft end of the rotary pressure filter.
[0004] The technical solution adopted by this invention to solve its technical problem is: to provide a cooling device for a rotary pressure filter, comprising, A cooling assembly comprising a plurality of nozzles disposed within a cavity defined by the drum shaft end and the end seat of the rotary pressure filter, the nozzles being configured to spray coolant onto the inner surface of the drum shaft end; and A lubrication assembly, the lubrication assembly including an oil nozzle for injecting lubricating oil into the sealing packing at the end of the drum shaft.
[0005] Furthermore, several of the nozzles are connected to the pump body to deliver coolant to the nozzles.
[0006] Furthermore, the pump body is connected to a storage container for storing coolant.
[0007] Furthermore, the storage container is connected to the cavity via a return pipe, so that the coolant sprayed on the inner surface of the drum shaft end can flow into the storage container through the return pipe.
[0008] Furthermore, the return pipe is connected to the drain port provided on the end seat.
[0009] Furthermore, a filter is provided on the return pipe for filtering the coolant returning to the storage container.
[0010] Furthermore, a cooler is provided between the pump body and the plurality of nozzles, and / or between the pump body and the storage container, for cooling the coolant flowing to the plurality of nozzles.
[0011] Furthermore, the oil injection nozzle is connected to a rotary joint that is rotatably connected to the shaft of the rotary pressure filter through the oil delivery channel inside the rotary pressure filter.
[0012] Furthermore, the rotary joint is connected to an oil pump via an oil pipe, which is used to pump lubricating oil through the oil pipe and the rotary joint to the oil injector.
[0013] Furthermore, several of the nozzles are configured to spray coolant onto the surface of the drum shaft end when the lubricating nozzle injects lubricating oil into the sealing packing.
[0014] The beneficial effects of this invention are as follows: This invention provides a cooling device for a rotary pressure filter, comprising a cooling assembly and a lubrication assembly. The cooling assembly includes a plurality of nozzles disposed within a cavity defined by the drum shaft end and the end seat of the rotary pressure filter. These nozzles are configured to spray coolant onto the inner surface of the drum shaft end. The lubrication assembly includes an oil inlet for injecting lubricating oil into the sealing packing at the drum shaft end. The cooling device, through the cooling assembly and lubrication assembly, respectively achieves the recycling of coolant and the continuous supply of lubricating oil, significantly improving the lubrication effect and cooling efficiency of the drum shaft end seal of the rotary pressure filter. This effectively avoids overheating at the drum shaft end of the rotary pressure filter, reduces wear and aging of the sealing packing, thereby improving the stability and service life of the equipment. Attached Figure Description
[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0016] Figure 1 The diagram shows a structural schematic of a cooling device for a rotary pressure filter.
[0017] In the figure, the following reference numerals are used: 100, cooling device; 10, cooling component; 11, storage container; 12, pump body; 13, nozzle; 14, return pipe; 20, lubrication component; 21, rotary joint; 22, oil pipe; 23, oil pump; 24, oil injector. 200. Rotary pressure filter; 201. Drum; 202. Sealing packing; 203. End seat; 204. Cavity; 205. Drain port. Detailed Implementation
[0018] To make the technical problem to be solved, the technical solution, and the beneficial effects of this invention clearer, the invention will now be described in detail with reference to the accompanying drawings. This drawing is a simplified schematic diagram, illustrating only the basic structure of the invention, and therefore only shows the components relevant to the invention. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.
[0019] refer to Figure 1 As shown, the present invention provides a cooling device 100 for a rotary pressure filter 200, including a cooling assembly 10 and a lubrication assembly 20 disposed at the shaft end of the rotary pressure filter 200's drum 201. The cooling assembly 10 is configured to spray coolant onto the shaft end of the rotary pressure filter 200's drum 201 to absorb the heat generated at the shaft end of the rotary pressure filter 200 during operation, thereby cooling the shaft end of the rotary pressure filter 200's drum 201. The lubrication assembly 20 is configured to inject lubricating oil into the sealing packing 202 at the shaft end of the rotary pressure filter 200's drum 201 through an oil inlet, thereby reducing the friction at the shaft end of the rotary pressure filter 200's drum 201 and thus reducing the heat generated at the shaft end of the rotary pressure filter 200's drum 201 during operation. This not only removes heat from the shaft end of the rotary pressure filter 200 drum 201 in a timely manner through the cooling component 10, but also reduces the heat generated at the shaft end of the rotary pressure filter 200 drum 201 during operation, thereby effectively preventing overheating problems at the shaft end of the rotary pressure filter 200 drum 201, reducing wear and aging of the sealing packing 202, and improving the stability and service life of the equipment.
[0020] Combination Figure 1 As shown, in some embodiments, the cooling assembly 10 includes a storage container 11 for storing coolant, a pump body 12 connected to the storage container 11 via a pipe, and a plurality of nozzles 13 connected to the pump body 12 via a pipe. The shaft end of the rotary pressure filter 200's drum 201 and the end seat 203 together define a cavity 204 for arranging the plurality of nozzles 13. The pump body 12 can pump the coolant in the storage container 11 to the plurality of nozzles 13, and the plurality of nozzles 13 spray the coolant onto the shaft end of the rotary pressure filter 200's drum 201 to continuously absorb the heat generated by the shaft end of the rotary pressure filter 200's drum 201 during operation, thereby achieving cooling of the shaft end of the rotary pressure filter 200's drum 201.
[0021] In some embodiments, the end seat 203 is provided with a drain port 205 communicating with the cavity 204 for connecting to the storage container 11 via the return pipe 14. In this way, the coolant flows to the drain port 205 after absorbing heat from the shaft end of the rotary pressure filter 200 drum 201, and then flows back into the storage container 11 through the return pipe 14.
[0022] Preferably, a filter (not shown) is provided on the return pipe 14 to filter the coolant flowing back from the cavity 204 to the storage container 11, so as to prevent the return pipe 14 from being blocked by impurities in the cavity 204, and to ensure that the cooling assembly 10 can operate effectively.
[0023] More preferably, a return valve (not shown in the figure) is also provided on the return pipe 14 to adjust the return flow rate of the coolant. This ensures that the coolant sprayed from the nozzles 13 fully absorbs the heat from the shaft end of the rotary pressure filter drum 201 before flowing into the storage container 11 through the return pipe 14.
[0024] In some embodiments, the storage container 11 is made of a material with good thermal conductivity, such as metal or alloy, so that the coolant flowing back into the storage container 11 can be cooled naturally, thereby reducing the energy consumption of the cooling assembly 10.
[0025] In some embodiments, a cooler (not shown) is also provided on the pipe between the pump body 12 and the plurality of nozzles 13, and / or on the pipe between the pump body 12 and the storage container 11, for further cooling of the coolant flowing to the plurality of nozzles 13, so as to improve the cooling effect of the cooling assembly 10 on the shaft end of the drum 201 of the rotary pressure filter 200.
[0026] In some embodiments, the coolant may be water or cooling oil.
[0027] In some embodiments, a plurality of nozzles 13 are capable of spraying coolant in a mist onto the inner surface of the shaft end of the rotary pressure filter 200 drum 201, so that the coolant can fully absorb the heat from the shaft end of the rotary pressure filter 200 drum 201, thereby improving the cooling effect.
[0028] Combination Figure 1 As shown, in some embodiments, the lubrication assembly 20 includes a rotary joint 21 rotatably connected to the shaft of the rotary pressure filter 200. The oil inlet of the rotary joint 21 is connected to the oil pump 23 via an oil pipe 22. The oil outlet of the rotary joint 21 is connected to the grease nipple 24 located in the cavity 204 via an oil delivery channel within the rotary pressure filter 200. The oil pump 23 delivers lubricating oil to the oil inlet of the rotary joint 21 via the oil pipe 22, and then the rotary joint 21 delivers the lubricating oil from the oil outlet through the oil delivery channel to the grease nipple 24. The grease nipple 24 then injects the lubricating oil into the sealing packing 202 from the grease nipple at the grease inlet at the shaft end of the rotary pressure filter 201. This effectively ensures both the sealing performance of the sealing packing 202 and the lubrication of the shaft end of the rotary pressure filter 200's drum 201 during rotation, reducing friction and thus effectively minimizing heat generated during operation. It should be noted that the specific structure of the rotary joint 21 is well-known to those skilled in the art and will not be elaborated upon further in this application.
[0029] When the cooling device 100 for the rotary pressure filter 200 provided by the present invention is running, the oil pump 23 pumps lubricating oil through the oil pipe 22 to the rotary joint 21, and then the rotary joint 21 delivers the lubricating oil through the oil delivery channel in the rotary pressure filter 200 to the oil injection nozzle 24, so that the lubricating oil can be injected into the sealing packing 202 through the oil injection port at the shaft end of the rotating drum 201 of the rotary pressure filter 200 using the oil injection nozzle 24.
[0030] Simultaneously, the pump body 12 delivers the coolant in the storage container 11 to several nozzles 13, so that the coolant can be sprayed onto the inner surface of the shaft end of the rotary pressure filter 200's drum 201 using the nozzles 13. After the coolant has fully absorbed the heat generated by the shaft end of the rotary pressure filter 200's drum 201 during operation, it flows into the storage container 11 through the return pipe 14.
[0031] In this way, on the one hand, the lubrication component 20 ensures the sealing of the sealing packing 202 and the lubrication of the rotating drum 201 shaft end of the rotary pressure filter 200 during rotation, thus minimizing the heat generated at the rotating drum 201 shaft end during operation. On the other hand, the cooling component 10 continuously sprays coolant onto the rotating drum 201 shaft end of the rotary pressure filter 200 to cool it. Therefore, through the cooperation of the lubrication component 20 and the spraying component, overheating of the rotating drum 201 shaft end of the rotary pressure filter 200 is effectively avoided, reducing wear and aging of the sealing packing 202, thereby improving the stability and service life of the equipment.
[0032] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.
[0033] It should be understood that the terms "length", "width", "up", "down", "front and back", "left and right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention.
[0034] Although the invention has been described with reference to preferred embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the invention. In particular, the technical features mentioned in the various embodiments can be combined in any manner as long as there is no structural conflict. The invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A cooling device for a rotary pressure filter, comprising: A cooling assembly (10) comprising a plurality of nozzles (13) disposed within a cavity (204) defined by the shaft end of the drum (201) and the end seat (203) of the rotary pressure filter (200), the plurality of nozzles (13) being configured to spray coolant onto the inner surface of the shaft end of the drum (201); and The lubrication assembly (20) includes an oil injection nozzle (24) for injecting lubricating oil into the sealing packing (202) at the shaft end of the drum (201).
2. The cooling device for a rotary pressure filter according to claim 1, characterized in that, Several of the nozzles (13) are connected to the pump body (12) so as to deliver coolant to the nozzles (13).
3. The cooling device for a rotary pressure filter according to claim 2, characterized in that, The pump body (12) is connected to the storage container (11) for storing coolant.
4. The cooling device for a rotary pressure filter according to claim 3, characterized in that, The storage container (11) is connected to the cavity (204) through the return pipe (14) so that the coolant sprayed on the inner surface of the shaft end of the drum (201) can flow into the storage container (11) through the return pipe (14).
5. The cooling device for a rotary pressure filter according to claim 4, characterized in that, The return pipe (14) is connected to the drain port (205) provided on the end seat (203).
6. The cooling device for a rotary pressure filter according to claim 4 or 5, characterized in that, The return pipe (14) is equipped with a filter for filtering the coolant that flows back into the storage container (11).
7. The cooling device for a rotary pressure filter according to claim 3, characterized in that, A cooler is also provided between the pump body (12) and the plurality of nozzles (13), and / or between the pump body (12) and the storage container (11), for cooling the coolant flowing to the plurality of nozzles (13).
8. The cooling device for a rotary pressure filter according to any one of claims 1-7, characterized in that, The oil nozzle (24) is connected to the rotary joint (21) that is rotatably connected to the shaft of the rotary pressure filter (200) through the oil delivery channel inside the rotary pressure filter (200).
9. The cooling device for a rotary pressure filter according to claim 8, characterized in that, The rotary joint (21) is connected to the oil pump (23) via the oil pipe (22) for pumping lubricating oil through the oil pipe (22) and the rotary joint (21) to the oil nozzle (24).
10. The cooling device for a rotary pressure filter according to claim 8, characterized in that, Several of the nozzles (13) are configured to spray coolant onto the surface of the shaft end of the drum (201) when the lubricating oil is injected into the sealing packing (202) by the oil injection nozzle (24).