CN218441163U - Slag cooler - Google Patents

Abstract

The application discloses cold sediment machine belongs to the sealed technical field of cold sediment machine. The disclosed slag cooler comprises a shell, a roller, a rotary joint and a first sealing assembly, wherein the roller is rotatably arranged on the shell, the rotary joint comprises a rotating part and a fixing part which are connected, the rotating part is connected with the roller, the shell is provided with an opening, and the fixing part penetrates through the opening; first seal assembly includes seal receptacle, first sealing member and the first piece that compresses tightly, and the seal receptacle links to each other with avoiding of casing, and first sealing member sets up between seal receptacle and fixed part, and the first piece that compresses tightly links to each other with the seal receptacle, and the first piece that compresses tightly acts on first sealing member to compress tightly first sealing member in the seal receptacle. So, the clearance between first sealing member seal fixing portion and the casing to utilize first compressing tightly the piece and compress tightly first sealing member, even first sealing member exists the corruption or the wearing and tearing condition, under the pressure effect, first sealing member still can last the clearance between seal fixing portion and the casing, promotes sealing performance.

Description

Slag cooler

Technical Field

The application belongs to the technical field of cold sediment machine's is sealed, concretely relates to cold sediment machine.

Background

In the technical field of petroleum, oily sludge or oily waste such as sewage is formed in the processing processes of petroleum extraction, refining, storage and the like, and the oily waste needs to be processed by utilizing a thermal phase separation technology. The thermal phase separation technology is used for treating oil-containing waste in an indirect heating mode, the treated material is conveyed to a specified place through thermal phase separation discharging equipment, and the material is cooled by a slag cooler while being conveyed.

Among the correlation technique, the cold sediment machine is equipped with the cavity of slagging tap, be equipped with the cylinder in the cavity of slagging tap, and the exit end of the cavity of slagging tap is equipped with rotary joint, rotary joint's expansion end links to each other with the cylinder, rotary joint's stiff end runs through the exit end of the cavity of slagging tap and links to each other with external pipeline, in order to let in cooling medium for the indirect heat transfer cooling of material in the cylinder, and only seal through the rubber slab between rotary joint and the cavity of slagging tap, however, the leakproofness of rubber slab is relatively poor, moreover, the rubber slab is easily damaged by the corruption of oil gas, lead to sealing performance further to reduce.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application aims to provide a slag cooler, which can solve the problem of poor sealing performance of the slag cooler in the related technology.

The embodiment of the application provides a slag cooler, which comprises a shell, a roller, a rotary joint and a first sealing assembly, wherein the roller is rotatably arranged in the shell, the rotary joint comprises a rotary part and a fixed part which are connected, the rotary part is connected with the roller, the shell is provided with an opening, and the fixed part penetrates through the opening;

the first sealing assembly comprises a sealing seat, a first sealing element and a first pressing piece, the sealing seat is connected with the wall surface of the shell, the first sealing element is arranged between the sealing seat and the fixing portion, the first pressing piece is connected with the sealing seat, and the first pressing piece acts on the first sealing element so that the first sealing element presses the sealing seat.

In this application embodiment, utilize first sealing member to seal the clearance between rotary joint's fixed part and the casing to utilize first compressing tightly the piece to compress tightly first sealing member, even the circumstances that the event first sealing member exists corruption or wearing and tearing, under the effect of compressing tightly of first compressing tightly, first sealing member also can last the clearance between sealed fixed part and the casing, is favorable to promoting sealing performance.

Drawings

FIG. 1 is a schematic structural diagram of a slag cooler disclosed in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a portion of a housing, a fixing portion and a first sealing assembly disclosed in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a slag inlet pipe, a roller and a second sealing assembly disclosed in the embodiment of the application;

FIG. 4 is a schematic view of a sealing structure between a slag inlet pipe and a roller disclosed in the embodiment of the application;

FIG. 5 is a schematic structural diagram of a drum, a shell and a third seal assembly disclosed in an embodiment of the present application;

fig. 6 is a partial structural schematic diagram of fig. 5.

Description of the reference numerals:

100-shell, 110-opening, 120-protective gas inlet, 130-discharge opening,

200-roller, 201-second slideway, 202-second through hole, 210-first flange support, 220-second flange support,

300-rotary joint, 310-rotary part, 320-stationary part,

400-first sealing component, 410-sealing seat, 420-first sealing element, 430-first pressing piece, 440-first sealing cover, 450-first fixed seat, 460-second fixed seat, a-sealing cavity,

500-slag inlet pipe, 510-fixing piece,

600-second seal assembly, 610-floating seal ring, 611-first runner, 612-first through hole, 620-second seal, 630-second hold-down, 640-adjustment fastener, 650-oil injection,

700-a third sealing component, 710-an annular sealing group, 720-a third sealing element, 730-a third pressing piece, 740-a second sealing cover, b-a closed cavity, 750-a pinch roller component, 760-a tensioning pull rod, 770-an elastic piece, 780-a transmission pull rod, 790-a connecting piece, a pressure-reducing mechanism and a pressure-reducing mechanism,

810-conical tube, 820-nitrogen ring.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The slag cooler provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

Referring to fig. 1 to 6, a slag cooler disclosed in an embodiment of the present application includes a housing 100, a drum 200, a rotary joint 300, and a first sealing assembly 400. Wherein, the housing 100 is used as a mounting base member for the drum 200, the rotary joint 300 and the first sealing assembly 400, as shown in fig. 1, the drum 200 is rotatably disposed in the housing 100, the rotary joint 300 includes a rotary part 310 and a fixed part 320 connected with each other, the rotary part 310 is connected with the drum 200, the housing 100 is provided with an opening 110, the fixed part 320 penetrates through the opening 110, and the fixed part 320 is communicated with other external conveying pipelines. Thus, the cooling medium enters the jacket of the roller 200 through the rotary joint 300 to indirectly exchange heat and cool the material. A gap is formed between the fixing portion 320 and the opening 110, and the gap is sealed by the first sealing member 400.

Alternatively, the first sealing assembly 400 may be disposed outside the casing 100, as shown in fig. 2, the first sealing assembly 400 includes a sealing seat 410, a first sealing member 420 and a first pressing member 430, the sealing seat 410 is connected to a wall surface of the casing 100, the first sealing member 420 is disposed between the sealing seat 410 and the fixing portion 320, and the first sealing member 420 is used for sealing a gap between the fixing portion 320 and the sealing seat 410; the first pressing member 430 is coupled to the seal holder 410, and the first pressing member 430 acts on the first seal member 420 to press the first seal member 420 against the seal holder 410. Alternatively, the first seal 420 may be a rubber seal, a graphite packing, or other seals with compressible and resilient properties. The sealing seat 410 and the wall surface of the housing 100 may be connected by a first fastening member (e.g., a screw); the first pressing member 430 includes a pressing portion and a connecting portion, the pressing portion acts on the first sealing member 420, the connecting portion and the sealing seat 410 can be connected by a second fastening member (such as a screw), the second fastening member penetrates through the connecting portion and is screwed into the sealing seat 410, and by adjusting the length of screwing the second fastening member into the sealing seat 410, the screwing degree of the second fastening member can be adjusted, so as to adjust the pressing force of the pressing portion on the first sealing member 420.

In the embodiment of the present application, the first sealing element 420 is used to seal the gap between the fixing portion 320 of the rotary joint 300 and the housing 100, and the first pressing element 430 is used to press the first sealing element 420, so that the first sealing element 420 is pressed against the sealing seat 410, even if the first sealing element 420 is corroded or worn, under the pressing action of the first pressing element 430, the first sealing element 420 can continuously seal the gap between the fixing portion 320 and the housing 100, which is beneficial to improving the sealing performance. Moreover, a static sealing structure is adopted between the shell 100 and the rotary joint 300, so that the sealing operation is simpler, and a good sealing effect can be achieved.

In an alternative embodiment, as shown in fig. 2, the first sealing assembly 400 further includes a first sealing cover 440, a first fixing seat 450 and a second fixing seat 460, and the first sealing cover 440, the first fixing seat 450 and the second fixing seat 460 further seal the gap between the housing 100 and the fixing portion 320. Specifically, the first fixing seat 450 is connected to a wall surface of the casing 100, and optionally, the first fixing seat 450 may be directly connected to the wall surface of the casing 100, or may be directly connected to the sealing seat 410; the second fixing base 460 is disposed on the fixing portion 320, that is, the second fixing base 460 is connected to the fixing portion 320, the first sealing cover 440 is a flexible structure, the first sealing cover 440 is sleeved outside the fixing portion 320, a first end of the first sealing cover 440 is connected to the first fixing base 450, a second end of the first sealing cover 440 is connected to the second fixing base 460, the first sealing cover 440, the first fixing base 450, the second fixing base 460 and the fixing portion 320 form a sealing cavity a, and the sealing cavity a is communicated with a gap between the housing 100 and the fixing portion 320.

With the present embodiment, even if the sealing effect of the first sealing member 420 is poor, there is still a risk of leakage between the housing 100 and the fixing portion 320, the sealing cavity a formed by the first sealing cover 440, the first fixing seat 450 and the second fixing seat 460 isolates the gap between the fixing portion 320 and the housing 100 from the external atmosphere, thereby further avoiding the risk of leakage and improving the sealing performance between the fixing portion 320 and the housing 100. Alternatively, the first seal cover 440 is an annular seal cover that largely seals a gap between the housing 100 and the fixing portion 320.

Of course, in other embodiments, in the case that the sealing effect of the first sealing member 420 is better, the first fixing seat 450, the first sealing cover 440, and the second fixing seat 460 may not be provided.

In the solution of the present application, as shown in fig. 3 and 4, the slag cooler further includes a slag inlet pipe 500 and a second sealing assembly 600, the housing 100 is connected to the slag inlet pipe 500, the slag inlet pipe 500 is fixed with respect to the housing 100, the drum 200 is provided with a feed inlet, the slag inlet pipe 500 is disposed at the feed inlet, so that the slag inlet pipe 500 is communicated with the inside of the drum 200, and the material enters the inside of the drum 200 through the slag inlet pipe 500. And a gap exists between the stationary slag inlet pipe 500 and the movably arranged drum 200, the second sealing assembly 600 is used for sealing the gap, and specifically, the second sealing assembly 600 comprises a floating sealing ring 610, the floating sealing ring 610 is arranged between the drum 200 and the slag inlet pipe 500, and the floating sealing ring 610 can float between the drum 200 and the slag inlet pipe 500 to seal the gap between the slag inlet pipe 500 and the drum 200 and prevent the material in the drum 200 from leaking outwards. Therefore, the second sealing assembly 600 adopts a dynamic sealing structure, and the floating sealing ring 610 has stable sealing performance and high sealing reliability.

Alternatively, the floating seal ring 610 may be provided with a first slideway 611 and a first through hole 612, the first slideway 611 may be an annular slideway, the first through hole 612 is arranged along a radial direction of the floating seal ring 610, the first through hole 612 may be arranged in plurality at intervals in a circumferential direction of the floating seal ring 610, and the first through hole 612 is communicated with the first slideway 611; the roller 200 comprises a frame, the frame is provided with a second slideway 201 communicated with a first through hole 612 of the floating sealing ring 610, the second slideway 201 can also be an annular slideway, the first slideway 611 is communicated with the second slideway 201 through the first through hole 612, the frame is provided with a second through hole 202, the second slideway 201 is communicated with the inside of the roller 200 through the second through hole 202, and the first through hole 612 is always communicated with the second slideway 201 in the floating process of the floating sealing ring 610. The structure avoids the slag leakage problem of the sealing structure.

In an alternative embodiment, as shown in fig. 4, a fixing member 510 is provided at the outside of the slag inlet pipe 500, and a floating seal ring 610 is provided between the fixing member 510 and the drum 200, i.e., the floating seal ring 610 floats between the fixing member 510 and the drum 200 to seal the gap between the fixing member 510 and the drum 200. Optionally, the fixing member 510 is ring-shaped, and the fixing member 510 is sleeved outside the slag inlet pipe 500. The second seal assembly 600 further includes a second seal 620, and the second seal 620 may be disposed between the floating seal ring 610 and the stationary member 510 to seal a gap between the floating seal ring 610 and the stationary member 510 from foreign objects entering the drum 200 through the gap between the floating seal ring 610 and the stationary member 510.

In another embodiment, the second sealing element 620 is disposed at a side of the floating seal ring 610 facing away from the inside of the drum 200, and the second sealing element 620 seals a gap between the floating seal ring 610 and the fixture 510, i.e., a portion of the second sealing element 620 is opposite to the floating seal ring 610 and another portion of the second sealing element 620 is opposite to the fixture 510; the second seal assembly 600 further includes a second pressing member 630, and the second pressing member 630 is disposed on a side of the second seal 620 facing away from the floating seal ring 610, so that the second seal 620 presses the floating seal ring 610 and/or the fixing member 510. In this embodiment, the second sealing member 620 simultaneously presses the floating seal ring 610 and the fixing member 510. Alternatively, the fixing member 510 includes a first fixing member and a second fixing member connected to each other, a first sealing space for installing the floating seal ring 610 is provided between the first fixing member and the frame of the drum 200, a second sealing space for installing the second sealing member 620 is provided between the second fixing member and the frame of the drum 200, and the second sealing member 620 presses the floating seal ring 610 and the first fixing member. Alternatively, the second seal 620 may be a rubber seal, a graphite packing, or other seals with compressible and resilient properties.

With the present embodiment, the second pressing member 630 presses the second sealing member 620 and simultaneously the second sealing member 620 presses the floating seal ring 610 and/or the fixing member 510, so that under the pressing action of the second pressing member 630, the second sealing member 620 can continuously seal the gap between the fixing member 510 and the floating seal ring 610, which is beneficial to further improving the sealing performance and preventing foreign objects from entering the drum 200 through the gap between the fixing member 510 and the floating seal ring 610.

In an alternative embodiment, the compressing member is fixedly connected to the fixing member 510, or, as shown in fig. 4, the second sealing member 620 further includes an adjusting fastener 640, one end of the adjusting fastener 640 extends through the second compressing member 630, and one end of the adjusting fastener 640 is screwed into the fixing member 510, so as to adjust the compressing force of the second compressing member 630 on the second sealing member 620 by changing the length of the adjusting fastener 640 screwed into the fixing member 510. Alternatively, the adjusting fastener 640 may be a screw, a bolt or other fastener capable of adjusting the screwing length, and one end of the adjusting fastener 640 is screwed into the second fixing member. Specifically, the external force is applied to the adjustment fastener 640, so that the length of the adjustment fastener 640 screwed into the second fixing member can be changed, and thus the distance between the second pressing member 630 and the first fixing member can be changed, and the second sealing member 620 is disposed between the second pressing member 630 and the first fixing member, so that the pressing force on the second sealing member 620 can be changed.

In the latter embodiment, the pressing force of the second pressing member 630 on the second sealing member 620 is adjusted by the adjusting fastener 640, so as to adjust the sealing degree of the second sealing member 620 on the gap between the fixing member 510 and the floating seal ring 610, so that the sealing effect is adapted to the use requirement, and at the same time, the floating performance of the floating seal ring 610 is prevented from being influenced by the second sealing member 620 due to the excessive pressing force.

In an alternative embodiment, the second sealing member 620 includes a sealing packing filled between the second fixing member and the frame of the drum 200, and the second sealing assembly 600 further includes an oil injection part 650 having one end extending through the second pressing member 630 and into the sealing packing. Alternatively, the oil injection component 650 may be a grease nipple, or may be another oil injection component 650. By adopting the embodiment, the oil injection part 650 can be used for adding lubricating oil to the sealing filler, so that the service life of the sealing filler is ensured, the lubricating oil can further flow between the second sealing element 620 and the floating sealing ring 610, a gap between the second sealing element 620 and the floating sealing ring 610 is lubricated, the floating performance of the floating sealing ring 610 is prevented from being influenced by the fact that the second sealing element 620 presses the floating sealing ring 610, and the sealing performance of the dynamic sealing structure is ensured.

Of course, in other embodiments, before the second pressing member 630 presses the second sealing member 620, the lubricant may be applied to the surface of the second sealing member 620 without separately providing the oil injection part 650.

In the solution of the present application, referring to fig. 1, the casing 100 is an open-type casing, the casing 100 supports the second end of the drum 200, and a gap is provided between the outer wall surface of the drum 200 and the casing 100, as shown in fig. 5, the slag cooler further includes a third sealing assembly 700, the third sealing assembly 700 is disposed between the outer wall surface of the drum 200 and the casing 100 to seal the gap between the drum 200 and the casing 100, specifically, the third sealing assembly 700 includes an annular sealing group 710, the annular sealing group 710 includes a plurality of sealing sheets arranged along the circumferential direction of the drum 200, a first end of each sealing sheet is connected to the casing 100, a second end of each sealing sheet abuts against the outer wall surface of the drum 200, and a second end of each sealing sheet is in sliding fit with the drum 200, so that the sealing sheet seals the gap between the drum 200 and the casing 100. Alternatively, the sealing sheets can be fish scale sealing sheets, that is, any two adjacent sealing sheets have an overlapping part, so as to reduce the gap between the two adjacent sealing sheets.

With the present embodiment, the housing 100 supports the second end of the drum 200 by a plurality of sealing sheets, and the sealing sheets are in sliding fit with the drum 200, so that the normal rotation process of the drum 200 is not affected; moreover, all sealing plates are matched with each other to seal the gap between the roller 200 and the shell 100, so that foreign objects are prevented from entering the shell 100 through the gap between the roller 200 and the shell 100, and the sealing performance of the slag cooler is improved.

Of course, in other embodiments, a dynamic sealing structure such as a floating ring may be used to achieve sealing in the case where the gap between the casing 100 and the drum 200 is small.

In an alternative embodiment, the sealing plate may be provided with a multi-layer structure as required, and the side of the sealing plate facing away from the drum 200 may be provided with a tensioning device, by which the pressing force between the sealing plate and the drum 200 is increased to improve the sealing effect.

In an alternative embodiment, the third seal assembly 700 further comprises a third seal 720, a third pressing member 730 and a second seal cover 740, wherein the third seal 720, the third pressing member 730 and the second seal cover 740 cooperate with the annular seal group 710 to further seal the gap between the shell 100 and the drum 200. The third pressing member 730 is movably connected to the drum 200, the third pressing member 730 rotates along with the drum 200, the third sealing member 720 is disposed between the third pressing member 730 and the casing 100, and the third sealing member 720 presses the casing 100 under the action of the third pressing member 730, optionally, the third sealing member 720 may be a graphite block, or may be another block-shaped sealing member having compressibility and resilience. The second sealing cover 740 is sleeved outside the drum 200, and the second sealing cover 740 is a flexible structure, that is, the second sealing cover 740 can deform, the distance between the first end and the second end of the second sealing cover 740 can be changed, and optionally, the second sealing cover 740 can be made of a plastic film, a silicon cloth, or a composite material. A first end of the second sealing cover 740 is connected to the outer wall of the drum 200, a second end of the second sealing cover 740 is connected to the third pressing member 730, and the second sealing cover 740, the third pressing member 730, the third sealing member 720 and the annular sealing group 710 together form a closed cavity b. Alternatively, the outer wall surface of the drum 200 is provided with a first flange support 210, a first end of the second sealing cover 740 is connected to the first flange support 210 by a fastening member (e.g., a screw), a side of the third pressing member 730 facing away from the third sealing member 720 is provided with a connecting portion, and a second end of the second sealing cover 740 is connected to the connecting portion by a fastening member (e.g., a screw).

The housing 100 is further provided with a shielding gas inlet 120, and shielding gas can be introduced into the closed cavity b through the shielding gas inlet 120, so that the closed cavity b forms a gas seal. The protective gas is introduced into the closed cavity b, the air pressure of the closed cavity b is greater than the external air pressure of the slag cooler, substances generally flow from a position with higher air pressure to a position with lower air pressure, and the gas or foreign matters outside the slag cooler cannot enter the closed cavity b again due to the fact that the air pressure in the closed cavity b is higher. Optionally, the protection gas may be nitrogen, and the third sealing assembly 700 further includes a nitrogen ring 820, the nitrogen ring 820 is disposed inside the casing 100, and the inside of the nitrogen ring 820 is communicated with the protection gas inlet 120, so that the nitrogen ring 820 may introduce the protection gas into the closed cavity b through the protection gas inlet 120.

By adopting the embodiment, the annular seal group 710 serves as a first mechanical seal structure between the casing 100 and the drum 200, and meanwhile, the closed cavity b formed by the annular seal group 710, the third seal 720, the third pressing member 730 and the second seal cover 740 serves as a second seal structure between the casing 100 and the drum 200, so that the gap between the casing 100 and the drum 200 is further sealed, and the sealing performance is further improved.

Of course, in other embodiments, the third seal assembly 700 may be provided without the third seal 720, the third pressing member 730 and the second seal cover 740, in the case that the sealing effect of the annular seal group 710 is good.

In an alternative embodiment, as shown in fig. 5, the slag cooler further includes a conical tube 810, the conical tube 810 is provided with a first port and a second port, the first port is smaller than the second port, and the first port is communicated with the gap between the shell 100 and the roller 200, the diameter of the first port is larger than the maximum diameter of the gap, the conical tube 810 may be disposed on the side of the shell 100 facing away from the third seal 720, that is, the conical tube 810 is located inside the shell 100. Thus, foreign matters such as solid slag can fall into the casing 100 along the tapered tube 810, and accumulation of the foreign matters at the dead angle of the casing 100 is avoided.

In an alternative embodiment, the third sealing assembly 700 may include a telescopic driving member, one end of the telescopic driving member is connected to the housing 100, the other end of the telescopic driving member is slidably connected to the third pressing member 730, and the other end of the telescopic driving member is slidable relative to the third pressing member 730 in the circumferential direction of the drum 200 during the rotation of the third pressing member 730 with the drum 200. In this way, the third pressing member 730 is driven to move by the telescopic driving member, so that the third pressing member 730 presses or releases the third sealing member 720.

In another embodiment, the third sealing assembly 700 further includes a pinch roller assembly 750, a tension rod 760 and an elastic member 770, wherein the pinch roller assembly 750 is disposed on a side of the third pressing member 730 opposite to the third sealing member 720, the pinch roller assembly 750 is connected to a first end of the tension rod 760, a first end of the elastic member 770 is connected to the housing 100, a second end of the elastic member 770 is connected to a second end of the tension rod 760, the elastic member 770 drives the tension rod 760 to move, the pinch roller assembly 750 is movable along with the tension rod 760, and the pinch roller assembly 750 acts on the third pressing member 730 to press the third pressing member 730 against the third sealing member 720. The elastic member 770 may be, but is not limited to, a spring. Tension rod 760 in this embodiment serves as a transmission component, and transmits the driving force of elastic element 770 to pinch roller assembly 750, so that pinch roller assembly 750 presses third pressing element 730, optionally, housing 100 is provided with a first opening, and tension rod 760 penetrates through the first opening, and tension rod 760 can stably move along the axial direction of the first opening under the driving action of elastic element 770.

In the latter embodiment, the elastic member 770 is used to drive the tension rod 760 to drive the pressing wheel assembly 750 to move, so that the pressing wheel assembly 750 presses the third pressing member 730, the third pressing member 730 presses the third sealing member 720, the third sealing member 720 is pressed, the sealing performance of the closed cavity b is ensured, and the sealing performance between the housing 100 and the drum 200 is improved; moreover, in the process of rotation of the roller 200, the third pressing member 730 rotates along with the roller 200, rolling friction is adopted between the pressing wheel assembly 750 and the third pressing member 730, and compared with sliding friction, the friction force between the pressing wheel assembly 750 and the third pressing member 730 is reduced, so that the abrasion degree of the pressing wheel assembly 750 is reduced, the pressing force of the pressing wheel assembly 750 on the third pressing member 730 is prevented from being influenced due to self abrasion to a certain extent, and the roller 200 can be ensured to rotate smoothly.

In an alternative embodiment, the third pressing member 730 is slidably connected to the roller 200, and the sliding direction of the third pressing member 730 with respect to the roller 200 is different from the moving direction of the tension rod 760 and the pinch roller assembly 750. In another embodiment, the third sealing assembly 700 further includes a transmission pull rod 780, the transmission pull rod 780 extends along an axial direction of the drum 200, the transmission pull rod 780 is connected to the drum 200, the third pressing member 730 is slidably connected to the transmission pull rod 780, the third pressing member 730 is movable along the transmission pull rod 780 relative to the drum 200, the tension pull rod 760 extends along the axial direction of the drum 200, the elastic member 770 is sleeved outside the tension pull rod 760, and the elastic member 770 drives the tension pull rod 760 to drive the pinch roller assembly 750 to move along the axial direction of the drum 200, i.e., the moving direction of the third pressing member 730 relative to the drum 200 is the same as the moving direction of the tension pull rod 760 and the pinch roller assembly 750. Optionally, the third sealing assembly 700 further includes a connecting member 790, the outer wall surface of the drum 200 is provided with a second flange support 220, and the second flange support 220 is connected to the first end of the transmission pull rod 780, so as to connect the transmission pull rod 780 to the drum 200; the connecting member 790 is provided with a second opening, the second end of the driving rod 780 penetrates through the second opening of the connecting member 790, the connecting member 790 can move along the driving rod 780, and the connecting member 790 is connected with the third pressing member 730. Thus, under the limiting effect of the transmission pull rod 780, the third pressing member 730 can accurately move along the transmission pull rod 780.

In the latter embodiment, the moving direction of the third pressing member 730 is the same as the moving direction of the pressing wheel assembly 750, that is, the driving direction of the elastic member 770 is the same as the moving direction of the third pressing member 730, so that the elastic member 770 can accurately drive the pressing wheel assembly 750 to press the third pressing member 730 with only a small driving force, and further the third pressing member 730 presses the third sealing member 720. Compared with the previous embodiment, the elastic member 770 with the same driving force is adopted, the pressing force of the pinch roller assembly 750 of the latter embodiment to the third pressing member 730 is larger, and the pressing force of the third pressing member 730 to the third sealing member 720 is also larger, so that the sealing performance of the closed cavity b is improved, and the sealing effect is improved.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The slag cooler is characterized by comprising a shell (100), a roller (200), a rotary joint (300) and a first sealing assembly (400), wherein the roller (200) is rotatably arranged in the shell (100), the rotary joint (300) comprises a rotating part (310) and a fixing part (320) which are connected, the rotating part (310) is connected with the roller (200), the shell (100) is provided with an opening (110), and the fixing part (320) penetrates through the opening (110);

the first sealing assembly (400) comprises a sealing seat (410), a first sealing element (420) and a first pressing piece (430), the sealing seat (410) is connected with the wall surface of the shell (100), the first sealing element (420) is arranged between the sealing seat (410) and the fixing part (320), the first pressing piece (430) is connected with the sealing seat (410), and the first pressing piece (430) acts on the first sealing element (420) so that the first sealing element (420) presses the sealing seat (410).

2. The slag cooler as set forth in claim 1, wherein said first sealing assembly (400) further comprises a first sealing cover (440), a first fixing seat (450) and a second fixing seat (460), said first fixing seat (450) is connected to a wall surface of said housing (100), said second fixing seat (460) is disposed on said fixing portion (320), said first sealing cover (440) is a flexible structure, said first sealing cover (440) is sleeved outside said fixing portion (320), a first end of said first sealing cover (440) is connected to said first fixing seat (450), a second end of said first sealing cover (440) is connected to said second fixing seat (460), and said first sealing cover (440), said first fixing seat (450), said second fixing seat (460) and said fixing portion (320) together form a sealing cavity (a).

3. The slag cooler according to claim 1, characterized in that the slag cooler further comprises a slag inlet pipe (500) and a second sealing assembly (600), the housing (100) is connected with the slag inlet pipe (500), the drum (200) is provided with a feed inlet, the slag inlet pipe (500) is disposed at the feed inlet so that the slag inlet pipe (500) communicates with the interior of the drum (200), and the second sealing assembly (600) comprises a floating sealing ring (610), and the floating sealing ring (610) is disposed between the drum (200) and the slag inlet pipe (500) so as to seal a gap between the slag inlet pipe (500) and the drum (200).

4. A slag cooler according to claim 3, characterized in that the slag inlet pipe (500) is externally provided with a fixing member (510), the floating sealing ring (610) is arranged between the fixing member (510) and the roller (200),

the second sealing assembly (600) further comprises a second sealing element (620) and a second pressing element (630), the second sealing element (620) is arranged on one side of the floating sealing ring (610) facing away from the inner part of the drum (200), the second sealing element (620) seals the gap between the floating sealing ring (610) and the fixing element (510), and the second pressing element (630) is arranged on one side of the second sealing element (620) facing away from the floating sealing ring (610), so that the second sealing element (620) presses the floating sealing ring (610) and/or the fixing element (510).

5. A slag cooler according to claim 4, characterized in that the second sealing assembly (600) further comprises an adjusting fastener (640), one end of the adjusting fastener (640) extends through the second pressing member (630), and one end of the adjusting fastener (640) is screwed into the fixing member (510), and the pressing force of the second pressing member (630) on the second sealing member (620) is adjusted by changing the length of the adjusting fastener (640) screwed into the fixing member (510).

6. A slag cooler according to claim 4, characterized in that the second sealing member (620) comprises a sealing filler, and the second sealing assembly (600) further comprises an oil injection member (650), one end of the oil injection member (650) extending through the second pressing member (630) and into the sealing filler.

7. The slag cooler according to claim 1, characterized in that the slag cooler further comprises a third sealing assembly (700), the third sealing assembly (700) is disposed between the outer wall surface of the drum (200) and the shell (100), the third sealing assembly (700) comprises an annular sealing group (710), the annular sealing group (710) comprises a plurality of sealing sheets arranged along the circumferential direction of the drum (200), a first end of each sealing sheet is connected with the shell (100), a second end of each sealing sheet is abutted against the outer wall surface of the drum (200), and the second end of each sealing sheet is in sliding fit with the drum (200).

8. The slag cooler of claim 7, wherein the third seal assembly (700) further comprises a third seal (720), a third compression member (730), and a second seal cover (740), wherein:

the third pressing piece (730) is movably connected with the roller (200), the third pressing piece (730) rotates along with the roller (200), the third sealing piece (720) is arranged between the third pressing piece (730) and the shell (100), and the third sealing piece (720) presses the shell (100) under the action of the third pressing piece (730),

the second sealing cover (740) is sleeved outside the roller (200), the second sealing cover (740) is a flexible structural member, a first end of the second sealing cover (740) is connected with the outer wall of the roller (200), a second end of the second sealing cover (740) is connected with the third pressing member, and the second sealing cover (740), the third pressing member (730), the third sealing member (720) and the annular sealing group (710) form a closed cavity (b) together;

the shell (100) is further provided with a protective gas inlet (120), and protective gas can be introduced into the closed cavity (b) through the protective gas inlet (120) so that the closed cavity (b) forms a gas seal.

9. The slag cooler of claim 8, wherein the third seal assembly (700) further comprises a pinch roller assembly (750), tension tie rods (760), and springs (770), wherein:

the pinch roller assembly (750) is connected with a first end of the tension pull rod (760), a first end of the elastic member (770) is connected with the shell (100), a second end of the elastic member (770) is connected with a second end of the tension pull rod (760), the elastic member (770) drives the tension pull rod (760) to move, the pinch roller assembly (750) moves along with the tension pull rod (760), and the pinch roller assembly (750) acts on the third pressing member (730) so that the third pressing member (730) presses the third sealing member (720).

10. Slag cooler according to claim 9, characterized in that the third sealing assembly (700) further comprises a drive rod (780), the drive rod (780) extending in the axial direction of the drum (200), and the drive rod (780) being connected to the drum (200), the third pressing member (730) being slidably connected to the drive rod (780), the third pressing member (730) being movable relative to the drum (200) along the drive rod (780),

the tensioning pull rod (760) extends along the axial direction of the roller (200), the elastic part (770) is sleeved outside the tensioning pull rod (760), and the elastic part (770) drives the tensioning pull rod (760) to drive the pinch roller assembly (750) to move along the axial direction of the roller (200).

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