Spiral conveying cooler
By setting up a multi-channel cooling water path and an external cooling water channel in the jacket of the screw conveyor, the problem of poor cooling effect of high-temperature solid particles is solved, and effective cooling of materials at 800℃ is achieved, improving the durability and safety of the equipment.
Patent Information
- Application Number
- CN202520172594.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-26
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-26
AI Technical Summary
Existing screw conveyor equipment has poor cooling effect when conveying high-temperature solid particles, which leads to equipment damage and cannot effectively cool materials with a temperature as high as 700-800℃.
Four flow channels are set inside the spiral conveyor main shaft, and the complex flow path design of the spiral blades and cooling water increases the cooling water flow rate to enhance the heat exchange effect. Combined with the external cooling water channel of the jacket, efficient cooling is achieved.
It achieves effective cooling of solid particulate materials up to 800℃, solves the problem of insufficient cooling of existing equipment under high temperature conditions, and improves the durability and safety of the equipment.
Smart Images
Figure CN223722249U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to conveying equipment technical field, concretely relates to a spiral conveying cooler. BACKGROUND
[0002] Spiral conveying equipment transports material through the axial force generated in the high-speed rotation process of spiral vane, and has the advantages of simple structure, low manufacturing cost, strong sealing, safe and convenient operation, etc., can be loaded and unloaded at multiple points in the middle, and is suitable for horizontal or inclined conveying of powdery, granular and small blocky materials. At present, spiral conveying equipment is widely used in the field of cement and powdery materials, is widely used in chemical industry, building materials, metallurgy, grain and other departments, has the advantages of stable conveying, simple maintenance and low failure rate, and is favored by the majority of users.
[0003] The spiral conveying cooler is a device that combines a spiral conveyor and a heat exchanger, that is, the material is cooled while being transported by the spiral body. The spiral conveyors currently on the market for conveying high-temperature solid particles generally pass cooling water into the shell exterior jacket and hollow shaft to ensure that the equipment is not damaged by high-temperature material, and the design is relatively simple, the cooling effect is general, and it can only be used to cool materials with not too high temperature. When the temperature of the conveyed solid particles reaches 700-800 DEG C, the spiral conveyors on the market often encounter poor cooling effect when conveying high-temperature solid materials, which leads to damage of the equipment. SUMMARY
[0004] To solve at least one technical problem of the prior art, the utility model provides a spiral conveying cooler.
[0005] To achieve the above utility model purposes, the utility model adopts the technical scheme: a spiral conveying cooler, including a shell, a spiral conveying main shaft arranged in the shell, and a spiral vane arranged in the shell and extending along the axial direction of the spiral conveying main shaft, the spiral vane has a cavity extending in the spiral direction, the spiral conveying main shaft is provided with four flow channels: a first flow channel, a second flow channel, a third flow channel and a fourth flow channel, one end of the first flow channel is communicated with a first cooling water inlet, the other end of the first flow channel is communicated with the fourth flow channel, the fourth flow channel is communicated with the third flow channel through the spiral vane, one end of the second flow channel is communicated with the third flow channel, and the other end of the second flow channel is communicated with a first cooling water outlet.
[0006] Further, the first flow channel extends along the axial direction of the spiral conveying main shaft, the first flow channel, the second flow channel and the third flow channel are coaxially arranged, the first flow channel is arranged in the second flow channel, and the second flow channel is arranged in the third flow channel.
[0007] The spiral conveying main shaft is provided with a partition plate at one end away from the first cooling water inlet, which separates the fourth flow channel from the second flow channel and the third flow channel.
[0008] Further, the spiral conveying main shaft is provided with a first through hole and a second through hole, the first through hole communicates the fourth flow channel with the cavity of the spiral blade, and the second through hole communicates the third flow channel with the cavity of the spiral blade.
[0009] Further, the first through hole is arranged at a position where the spiral conveying main shaft is connected with the initial end of the spiral blade, and the first through hole is an inlet for cooling water to enter the cavity of the spiral blade;
[0010] The second through hole is arranged at a position where the spiral conveying main shaft is connected with the terminal end of the spiral blade, and the second through hole is an outlet for cooling water to exit the cavity of the spiral blade.
[0011] Further, the spiral conveying cooler further comprises a rotary joint, the rotary joint has three interfaces, and the spiral conveying main shaft, the first cooling water inlet and the first cooling water outlet are connected with the three interfaces respectively.
[0012] Further, the spiral conveying cooler further comprises a motor and a speed reducer connected with the motor, and the speed reducer is connected with the spiral conveying main shaft.
[0013] Further, the two ends of the shell are respectively provided with shaft seal systems, and the shaft seal systems comprise mechanical seals.
[0014] Further, the spiral conveying cooler further comprises a jacket fixed outside the shell, a cooling water channel is formed between the jacket and the shell, and the two ends of the jacket are provided with a second cooling water inlet and a second cooling water outlet which are communicated with the cooling water channel.
[0015] Further, the spiral conveying cooler further comprises a material inlet and a material outlet, and the material inlet and the material outlet are connected with the two ends of the shell through the jacket respectively.
[0016] Further, the spiral conveying cooler further comprises bearings, and the two ends of the spiral conveying main shaft are rotatably arranged on supports through the bearings respectively.
[0017] Thanks to the above technical scheme, the present application has the following advantages compared with the prior art:
[0018] The utility model discloses a spiral conveying main shaft is provided with 4 flow channels, thereby making the cooling water in the flow passage area reduction of each flow, to improve the flow rate of cooling water, thereby improving the heat exchange effect of spiral conveying cooler, make the spiral conveying cooler with the solid particle material of conveying medium temperature up to 800 DEG C, make up the blank of high temperature spiral conveying cooler on the market. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a sectional view of the spiral conveying cooler of the utility model;
[0020] Figure 2 It is a sectional view of the spiral conveying main shaft of the utility model. DETAILED DESCRIPTION
[0021] In order to make the personnel of the prior art better understand the scheme of the application, the technical scheme in the embodiments of the application will be described clearly and completely in conjunction with the drawings in the embodiments of the application. Obviously, the described embodiments are only a part of the embodiments of the application, not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the application.
[0022] It should be noted that the terms "first", "second" and the like in the specification and claims of the application and the above-described drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.
[0023] In the application, the orientation or positional relationship indicated by the terms "up", "down", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal" and the like is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the utility model and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.
[0024] And, in addition to the above-mentioned part of the term can be used to indicate the orientation or position relationship, for example, the term "upper" in some cases can also be used to indicate a certain dependent relationship or connection relationship. For those skilled in the art, the specific meaning of these terms in the utility model can be understood according to the specific circumstances.
[0025] In addition, the terms "mounting", "setting", "provided with", "connecting", "connecting", "sleeving" should be broadly understood. For example, it can be fixedly connected, detachably connected, or integrally configured, it can be mechanically connected, or electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0026] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0027] Referring to Figure 1 and Figure 2 The utility model provides a screw conveyor cooler, a screw conveyor cooler, including casing 1, set up in casing 1 screw conveying main shaft 2 and set up in casing 1 and along screw conveying main shaft 2 axial screw extension screw blade 3, screw blade 3 has the cavity along the spiral direction extension, screw conveying main shaft 2 is provided with four flow channels: first flow channel 21, second flow channel 22, third flow channel 23 and fourth flow channel 24, one end of first flow channel 21 with first cooling water inlet 5 is linked together, the other end of first flow channel 21 with fourth flow channel 24 is linked together, fourth flow channel 24 passes through screw blade 3 and is linked together with third flow channel 23, one end of second flow channel 22 with third flow channel 23 is linked together, the other end of second flow channel 22 with first cooling water outlet 6 is linked together.
[0028] The utility model discloses a screw conveying main shaft is provided with 4 flow channels, thereby making the cooling water in the flow cross section area of each flow channel reduces, to improve the flow rate of cooling water, thereby improving the heat exchange effect of screw conveyor cooler, make the screw conveyor cooler with the solid particle material of conveying medium temperature up to 800 DEG C, make up the blank of high temperature screw conveyor cooler on the market.
[0029] Further, the first flow channel 21 extends along the axial direction of the screw conveying shaft 2, the first flow channel 21, the second flow channel 22 and the third flow channel 23 are coaxially arranged, the first flow channel 21 is arranged in the second flow channel 22, and the second flow channel 22 is arranged in the third flow channel 23; the screw conveying shaft 2 is provided with a partition plate 27 at an end away from the first cooling water inlet 5, and the partition plate 27 separates the fourth flow channel 24 from the second flow channel 22 and the third flow channel 23.
[0030] Further, the screw conveying shaft 2 is provided with a first through hole 25 and a second through hole 26, the first through hole 25 communicates the fourth flow channel 24 with the cavity of the screw blade 3, and the second through hole 26 communicates the third flow channel 23 with the cavity of the screw blade 3.
[0031] Further, the first through hole 25 is arranged at a position where the screw conveying shaft 2 is connected with the initial end of the screw blade 3, and the first through hole 25 is an inlet for the cooling water to enter the cavity of the screw blade 3; the second through hole 26 is arranged at a position where the screw conveying shaft 2 is connected with the terminal end of the screw blade 3, and the second through hole 26 is an outlet for the cooling water to exit the cavity of the screw blade 3.
[0032] Further, the screw conveying cooler further comprises a rotary joint 4, and the rotary joint 4 has three interfaces, the screw conveying shaft 2, the first cooling water inlet 5 and the first cooling water outlet 6 are respectively connected with the three interfaces.
[0033] The flow process of the cooling water in the screw conveying shaft 2 is as follows: the cooling water entering from the first cooling water inlet 5 enters the first flow channel 21 through the rotary joint 4, the cooling water flows along the first flow channel 21 into the fourth flow channel 24 at the other end of the screw conveying shaft 2, then enters the cavity of the screw blade 3 through the first through hole 25, the cooling water rotates in the cavity of the screw blade 3 along the spiral direction of the screw blade 3, finally flows from the terminal end of the screw blade 3 to the initial end of the screw blade 3 and enters the third flow channel 23 through the second through hole 26, the cooling water flows along the third flow channel 23 to the second flow channel 22 at the end of the screw conveying shaft 2 close to the fourth flow channel 24, and finally flows along the second flow channel 22 into the rotary joint 4 and flows out of the screw conveying cooler from the first cooling water outlet 6.
[0034] Among them, the flow direction of the cooling water in the third flow channel 23 is the same as the flow direction of the cooling water in the first flow channel 21, and the flow direction of the cooling water in the second flow channel 22 is opposite to the flow direction of the cooling water in the first flow channel 21.
[0035] Further, the screw conveying cooler further comprises a motor 7 and a speed reducer 8 connected with the motor 7, and the speed reducer 8 is connected with the screw conveying shaft 2.
[0036] Further, the two ends of the shell 1 are respectively provided with a shaft sealing system 9, and the shaft sealing system 9 comprises a mechanical seal.
[0037] Further, the spiral conveying cooler further comprises a jacket 10 fixed outside the shell 1, and a cooling water channel is formed between the jacket 10 and the shell 1, and the jacket 10 is provided with a second cooling water inlet 11 and a second cooling water outlet 12 at two ends thereof, which are communicated with the cooling water channel.
[0038] Further, the spiral conveying cooler is provided with baffles in the cooling water channel.
[0039] The flow process of the cooling water in the jacket 10 is as follows: the cooling water enters the jacket 10 from the second cooling water inlet 11, flows between the baffles in the jacket 10, finally flows to the other end of the jacket 10, and then leaves the spiral conveying cooler from the second cooling water outlet 12.
[0040] Further, the spiral conveying cooler further comprises a material inlet 13 and a material outlet 14, which are connected through the jacket 10 and the two ends of the shell 1 respectively.
[0041] The conveying process of the material in the spiral conveying cooler is as follows: the high-temperature material enters the shell 1 from the material inlet 13, and then the high-temperature material is continuously moved along the spiral extension direction of the spiral blade 3 to the position of the material outlet 14 under the pushing of the spiral blade 3, and then flows out of the spiral conveyor from the material outlet 14. During the conveying process of the material in the spiral conveyor, the heat of the high-temperature material is transferred to the spiral blade 3, the spiral conveying main shaft 2 and the jacket 10, and further transferred to the cooling water for heat exchange, and finally the heat is taken away by the cooling water.
[0042] Further, the spiral conveying cooler further comprises bearings 15, and the two ends of the spiral conveying main shaft 2 are rotatably arranged on the support 16 through the bearings respectively.
[0043] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to the above-described embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application shall not be limited to the above-described embodiments shown herein, but shall conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A screw conveyor cooler comprising a housing (1), a screw conveyor spindle (2) arranged in the housing (1), and screw flights (3) arranged in the housing (1) and extending axially and helically along the screw conveyor spindle (2), characterized in that The spiral blade (3) has a cavity extending in the spiral direction, the spiral conveying main shaft (2) is provided with four flow channels: a first flow channel (21), a second flow channel (22), a third flow channel (23) and a fourth flow channel (24), one end of the first flow channel (21) is communicated with the first cooling water inlet (5), the other end of the first flow channel (21) is communicated with the fourth flow channel (24), the fourth flow channel (24) is communicated with the third flow channel (23) through the spiral blade (3), one end of the second flow channel (22) is communicated with the third flow channel (23), the other end of the second flow channel (22) is communicated with the first cooling water outlet (6).
2. The screw conveyor cooler of claim 1, wherein, The first flow channel (21) extends axially along the spiral conveying main shaft (2), the first flow channel (21), the second flow channel (22) and the third flow channel (23) are coaxially arranged, the first flow channel (21) is arranged in the second flow channel (22), and the second flow channel (22) is arranged in the third flow channel (23). The spiral conveying main shaft (2) is provided with a partition plate (27) at one end away from the first cooling water inlet (5), and the partition plate (27) separates the fourth flow channel (24) from the second flow channel (22) and the third flow channel (23).
3. The screw conveyor cooler of claim 1, wherein, The spiral conveying main shaft (2) is provided with a first through hole (25) and a second through hole (26), the first through hole (25) communicates the fourth flow channel (24) with the cavity of the spiral blade (3), and the second through hole (26) communicates the third flow channel (23) with the cavity of the spiral blade (3).
4. The screw conveyor cooler of claim 3, wherein, The first through hole (25) is arranged at a position where the spiral conveying main shaft (2) is connected with the initial end of the spiral blade (3), and the first through hole (25) is an inlet for cooling water to enter the cavity of the spiral blade (3). The second through hole (26) is arranged at a position where the spiral conveying main shaft (2) is connected with the terminal end of the spiral blade (3), and the second through hole (26) is an outlet for cooling water to discharge from the cavity of the spiral blade (3).
5. A screw conveyor cooler as claimed in any one of claims 1 to 4, characterised in that, The spiral conveying cooler further comprises a rotary joint (4), the rotary joint (4) has three interfaces, and the spiral conveying main shaft (2), the first cooling water inlet (5) and the first cooling water outlet (6) are connected with the three interfaces respectively.
6. A screw conveyor cooler as claimed in any one of claims 1 to 4, characterised in that, The spiral conveying cooler further comprises a motor (7) and a speed reducer (8) connected with the motor (7), and the speed reducer (8) is connected with the spiral conveying main shaft (2).
7. A screw conveyor cooler as claimed in any one of claims 1 to 4, wherein Both ends of the shell (1) are provided with shaft seal systems (9), and the shaft seal system (9) comprises a mechanical seal.
8. A screw conveyor cooler as claimed in any one of claims 1 to 4, characterised in that, The spiral conveying cooler further comprises a jacket (10) fixed outside the shell (1), a cooling water channel is formed between the jacket (10) and the shell (1), and both ends of the jacket (10) are provided with a second cooling water inlet (11) and a second cooling water outlet (12) communicated with the cooling water channel.
9. The screw conveyor cooler of claim 8, wherein, The screw conveying cooler further comprises a material inlet (13) and a material outlet (14), which are connected to both ends of the shell (1) through the jacket (10) respectively.
10. A screw conveyor cooler as claimed in any one of claims 1 to 4, wherein The screw conveying cooler further comprises bearings (15), both ends of the screw conveying spindle (2) are rotatably arranged on a support (16) through the bearings respectively.