CN111486737B - A riser heat exchanger with variable heat exchange area - Google Patents
A riser heat exchanger with variable heat exchange area Download PDFInfo
- Publication number
- CN111486737B CN111486737B CN202010404668.8A CN202010404668A CN111486737B CN 111486737 B CN111486737 B CN 111486737B CN 202010404668 A CN202010404668 A CN 202010404668A CN 111486737 B CN111486737 B CN 111486737B
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- baffle
- cylinder
- baffles
- round rod
- heat exchanger
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- 230000005540 biological transmission Effects 0.000 claims description 26
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 230000001174 ascending effect Effects 0.000 claims 1
- 230000000630 rising effect Effects 0.000 description 28
- 239000003034 coal gas Substances 0.000 description 6
- 239000000571 coke Substances 0.000 description 6
- 238000004939 coking Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B27/00—Arrangements for withdrawal of the distillation gases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
本发明公开了一种热交换面积可变的上升管换热器，包括上升管换热器本体，上升管换热器本体的筒体竖直设置，包括圆杆、驱动机构和N块扇形的挡板，其中N为大于2的正整数，圆杆同轴设置在筒体内部，挡板均同轴设置在筒体内部，且其圆心处设有与圆杆对应的圆环，挡板均通过对应的圆环绕圆杆转动，且其侧壁均与圆筒的内壁可转动的贴合，多个挡板上下叠放，且任意相邻的两个挡板可滑动的贴合，任一挡板可相对位于其上方的挡板转动2π/N，最上方和最下方的两块挡板一块挡板的侧壁与筒体的内壁固定连接，另一块挡板与驱动机构传动连接。本发明提供一种可以调整有效热交换面积的上升管换热器。
The present invention discloses a riser heat exchanger with a variable heat exchange area, comprising a riser heat exchanger body, the cylinder of the riser heat exchanger body is vertically arranged, comprising a round rod, a driving mechanism and N fan-shaped baffles, wherein N is a positive integer greater than 2, the round rod is coaxially arranged inside the cylinder, the baffles are coaxially arranged inside the cylinder, and a circular ring corresponding to the round rod is arranged at the center of the circle, the baffles are rotated around the round rod through the corresponding circular ring, and the side walls thereof are rotatably fitted with the inner wall of the cylinder, a plurality of baffles are stacked up and down, and any two adjacent baffles are slidably fitted, any baffle can rotate 2π/N relative to the baffle above it, the side wall of one of the top and bottom baffles is fixedly connected to the inner wall of the cylinder, and the other baffle is transmission-connected to the driving mechanism. The present invention provides a riser heat exchanger capable of adjusting the effective heat exchange area.
Description
Technical Field
The invention relates to the field of riser heat exchangers. More particularly, the present invention relates to a riser tube heat exchanger with a variable heat exchange area.
Background
Along with the strong promotion of national energy-saving and environment-friendly policies, resource conservation, environment protection and green coking become the industry upgrading direction of the coking industry, and the sensible heat recycling of coke oven raw gas is one of the main ways of reducing energy consumption of coking enterprises.
The existing technology is that the high temperature raw gas with 650-850 ℃ escaping from the carbonization chamber is firstly recovered with sensible heat part by a rising pipe heat exchanger and then enters into a gas collecting pipe for delivery and production process. The rising pipe heat exchanger as core equipment is influenced by the operation cycle of the coke oven, the temperature and flow of raw coke oven gas are periodically changed in the process from coal feeding to coke pushing, when the temperature of the inner wall of the rising pipe heat exchanger is reduced to be below 450 ℃, tar in the raw coke oven gas starts to be separated out and is adhered to the inner wall of the rising pipe, so that the pollution of a heating surface and the heat transfer are deteriorated, and further the heat of the raw coke oven gas cannot be effectively absorbed, and on the other hand, black smoke is generated by tar mist escape, and the environment is seriously polluted. The importance of wall temperature control during system operation is seen. However, the existing rising pipe heat exchanger is mostly regulated by changing the water supply amount, the effect is poor, and how to directly and efficiently control the temperature of the inner wall of the rising pipe becomes a focus problem of efficient and environment-friendly operation of the device.
Disclosure of Invention
The invention aims to provide a riser tube heat exchanger with adjustable effective heat exchange area.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a heat exchange area-variable riser heat exchanger comprising a riser heat exchanger body, a cylindrical body of which is vertically disposed, comprising a round bar, a driving mechanism, N-block-shaped baffles, wherein N is a positive integer greater than 2, and a central angle θ of the baffles is greater than 2 pi/N, the round bar is coaxially disposed inside the cylindrical body, an upper end thereof is fixedly connected to a top wall of the cylindrical body, the baffles are coaxially disposed inside the cylindrical body, and a circular ring corresponding to the round bar is provided at a center thereof, the circular ring is rotatably fitted over the round bar, the baffles are rotatably fitted to an inner wall of the cylindrical body by a corresponding circle around the round bar, a plurality of the baffles are vertically stacked, and any two adjacent baffles are slidably fitted to each other, the baffles are rotatably fitted to each other by 2/N relatively to the baffles located thereabove, the uppermost baffle is fixedly connected to a first vertical wall of the cylindrical body, the upper vertical wall is provided at a second vertical wall of the cylindrical body, the vertical wall is radially connected to a second vertical wall of the cylindrical body, the vertical wall is provided at a vertical wall of the cylindrical body is located at a position of the vertical wall of the cylindrical body, the vertical wall is radially distant from the first vertical wall of the cylindrical body, the vertical wall is rotatably fitted to the first vertical wall of the cylindrical body is rotatably fitted to the vertical wall, the vertical wall is rotatably fitted to the vertical wall of the cylindrical body, and the vertical wall is rotatably fitted to the vertical wall, and the vertical wall is rotatably fitted to the vertical wall is rotatably, the baffle plate or the second vertical plate positioned at the lowest part is in transmission connection with the driving mechanism, the driving mechanism drives the baffle plate and the second vertical plate positioned at the lowest part to rotate around the round rod, and the baffle plate positioned at the lowest part drives the baffle plate to rotate above the baffle plate in sequence, so that N baffle plates, the first vertical plate and the second vertical plate form a fan-shaped coal gas rising channel opening with the central angle not larger than 2 pi-theta in the cylinder body.
Preferably, in the rising pipe heat exchanger with a variable heat exchange area, the driving mechanism comprises a driving unit, a cylinder and a transmission rod, the cylinder is coaxially sleeved on the round rod and connected with the other baffle, a driven gear is sleeved on the cylinder, the transmission rod penetrates through the cylinder in a rotatable mode, one end of the transmission rod, which is located outside the cylinder, is in transmission connection with the driving unit, one end of the transmission rod, which is located inside the cylinder, is coaxially sleeved with a bevel gear, and the bevel gear is meshed with the driven gear.
Preferably, in the rising pipe heat exchanger with the variable heat exchange area, the driving unit is a driving motor and a speed reducer, the driving motor is in transmission connection with the speed reducer, and the speed reducer is in transmission connection with one end of the transmission rod.
Preferably, in the rising pipe heat exchanger with a variable heat exchange area, the upper ends of the baffles are coaxially provided with circular arc-shaped grooves with a central angle of 2pi/N, the lower ends of the baffles are provided with protrusions corresponding to the grooves, and the protrusions of the baffles are slidably arranged in the grooves of the baffles below the baffles.
According to the rising pipe heat exchanger, a coal gas rising channel opening is formed in the cylinder body through the plurality of baffles which are stacked up and down, then the first vertical plate and the second vertical plate form a coal gas rising channel together with the coal gas rising channel opening, and the driving mechanism drives the plurality of fan-shaped baffles which are stacked up and down to rotate, so that the area of the inner wall of the cylinder body in the coal gas rising channel is changed, namely the heat exchange area between the rising pipe heat exchanger and raw coal gas is adjusted.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a cross-sectional view of a cartridge according to the present invention in a horizontal direction;
FIG. 2 is a cross-sectional view taken along section A-A of FIG. 1;
fig. 3 is a top view of a baffle according to an embodiment of the present invention.
Detailed Description
The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description.
It should be noted that, in the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1-3, the embodiment of the invention provides a rising pipe heat exchanger with a variable heat exchange area, which comprises a rising pipe heat exchanger body, wherein a cylinder body 1 of the rising pipe heat exchanger body is vertically arranged and comprises a round rod 2, a driving mechanism and N fan-shaped baffles 3, wherein N is a positive integer larger than 2, the central angle θ of the baffles 3 is larger than 2pi/N, the round rod 2 is coaxially arranged in the cylinder body 1, the upper end of the round rod 2 is fixedly connected with the top wall of the cylinder body 1, the baffles 3 are coaxially arranged in the cylinder body 1, a circular ring 4 corresponding to the round rod 2 is arranged at the center of the circle, the circular rings 4 are rotatably sleeved on the round rod 2, the baffles 3 rotate around the round rod 2 through the corresponding circular rings 4, the side walls of the baffles are rotatably attached to the inner wall of the cylinder body 1, a plurality of baffles 3 are stacked up and down, and any two adjacent baffles 3 can be in sliding fit, any baffle 3 can rotate 2 pi/N relative to the baffle 3 above the baffle 3, the side wall of the baffle 3 at the uppermost is fixedly connected with the inner wall of the cylinder body 1, one end of the upper end of the baffle 3 far away from the baffle 3 below the baffle is vertically provided with a first vertical plate 13 along the radial direction, one end of the first vertical plate 13 is connected with the inner wall of the cylinder body 1, the other end of the baffle 13 is close to the round rod 2, one end of the upper end of the baffle 3 at the lowermost far away from the baffle 3 above the baffle is vertically provided with a second vertical plate 14 along the radial direction, one end of the second vertical plate 14 is provided with a sleeve 15, the sleeve 15 is coaxially sleeved on the round rod 2 and is in rotating connection with the round rod, one end of the first vertical plate 13 close to the round rod 2 is in rotatable fit with the periphery of the sleeve 15, the other end of the second vertical plate 14 is rotatably attached to the inner wall of the cylinder 1, the upper ends of the first vertical plate 13 and the second vertical plate 14 are both extended upwards to be rotatably attached to the top wall of the cylinder 1, the lowermost baffle 3 or the second vertical plate 14 is in transmission connection with the driving mechanism, the driving mechanism drives the lowermost baffle 3 and the second vertical plate 14 to rotate around the round rod 2, the lowermost baffle 3 drives the baffle 3 to rotate above the round rod in sequence, so that N baffle 3, the first vertical plate 13 and the second vertical plate 14 form a fan-shaped gas rising channel opening with a central angle not larger than 2 pi-theta in the cylinder 1.
In this embodiment, N pieces of fan-shaped baffles 3 with a central angle θ greater than 2π/N are stacked up and down, and are rotatably arranged on the round rod 2 through the circular ring 4, and the side walls of the baffles 3 are rotatably attached to the inner wall of the cylinder 5, so that two upper and lower adjacent baffles 3 can slide relatively by 2ζ/N, in this embodiment, as shown in fig. 1 and 2, n=6, θ is 80 °, so that the baffles 3 and the upper and lower baffles 3 are partially overlapped, so that N baffles 3 form an airtight whole, and the effect of blocking rising raw gas is achieved; as shown in fig. 2, the lowermost baffle 3 is driven to rotate around the round rod 2 by the driving mechanism, when the driving mechanism continuously works, the lowermost baffle 3 drives the baffle 3 above the driving mechanism to slide by 2 pi/N relative to the baffle 3 above the driving mechanism, the baffle 3 above the driving mechanism drives the baffle 3 above the driving mechanism to slide by 2 pi/N relative to the baffle 3 above the baffle 3, and so on until the baffle 3 below the uppermost sliding baffle 3 is driven to slide by 2 pi/N relative to the baffle 3 above the uppermost sliding baffle 3, at this time, the cylinder 1 of the rising pipe heat exchanger body can be separated up and down by the plurality of baffles 3, when the cylinder 1 is not separated up and down by the plurality of baffles 3, a raw gas rising channel opening is formed in the cylinder 1 by the plurality of baffles 3, and the upper ends of the first vertical plates 13 and the second vertical plates 14 are all extended upwards to be connected with the top wall of the cylinder 1, the plurality of baffles 3, the first vertical plates 13 and the second vertical plates 14 are arranged, the inner wall of the cylinder 1 in the rising channel is formed, the raw gas rising channel is controlled by the driving mechanism, the size of the opening raw gas rising channel opening is adjusted, and the part of the inner wall of the cylinder body 1 in the raw gas rising channel is adjusted, so that the area of the heat exchange part between the inner wall of the cylinder body 1 and the raw gas is adjusted, and the temperature of the gas outlet of the cylinder body 1 of the rising pipe heat exchanger body is adjusted.
Specifically, as shown in fig. 3, when the side wall of the uppermost baffle 3 is fixedly connected with the inner wall of the cylinder 1, the upper ends of the baffles 3 are coaxially provided with circular arc-shaped grooves 11 with a central angle of 2pi/N, the lower ends of the baffles are provided with protrusions 12 corresponding to the grooves 11, and the protrusions 12 of the baffles 3 are slidably arranged in the grooves 11 of the baffles 3 below the protrusions.
Preferably, as another embodiment of the present invention, the driving mechanism includes a driving unit, a cylinder 5 and a transmission rod 6, the cylinder 5 is coaxially sleeved on the round rod 2 and is connected with another baffle 3, a driven gear 7 is sleeved on the cylinder 5, the transmission rod 6 penetrates through the cylinder 1 in a rotatable and horizontal manner, one end of the transmission rod 6 located outside the cylinder 1 is in transmission connection with the driving unit, one end of the transmission rod located inside the cylinder 1 is coaxially sleeved with a bevel gear 8, the bevel gear 8 is meshed with the driven gear 7, the driving unit is a driving motor 9 and a speed reducer 10, the driving motor 9 is in transmission connection with the speed reducer 10, and the speed reducer 10 is in transmission connection with one end of the transmission rod 6.
In this embodiment, a bearing seat can be disposed on the cylinder 1, the bearing seat is in airtight connection with the cylinder 1, and the transmission rod 6 passes through the bearing seat, so that the transmission rod 6 can rotate relative to the cylinder 1, thereby driving the driven gear 7 to rotate through the bevel gear 8, and driving the second riser 14 and the baffle 3 connected with the second riser to rotate.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown, it is well suited to various fields of use for which the invention is suited, and further modifications may be readily made by one skilled in the art, and the invention is therefore not to be limited to the particular details and examples shown and described herein, without departing from the general concepts defined by the claims and the equivalents thereof.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010404668.8A CN111486737B (en) | 2020-05-14 | 2020-05-14 | A riser heat exchanger with variable heat exchange area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010404668.8A CN111486737B (en) | 2020-05-14 | 2020-05-14 | A riser heat exchanger with variable heat exchange area |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111486737A CN111486737A (en) | 2020-08-04 |
| CN111486737B true CN111486737B (en) | 2025-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010404668.8A Active CN111486737B (en) | 2020-05-14 | 2020-05-14 | A riser heat exchanger with variable heat exchange area |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598509A (en) * | 2003-08-20 | 2009-12-09 | 路慕斯技术有限公司 | Heat exchanger |
| CN201892451U (en) * | 2010-11-02 | 2011-07-06 | 南京德邦金属装备工程有限公司 | Bending traverse baffle heat exchanger |
| CN212512643U (en) * | 2020-05-14 | 2021-02-09 | 武汉方特工业设备技术有限公司 | A riser heat exchanger with variable heat exchange area |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1023692A (en) * | 1962-09-05 | 1966-03-23 | Joseph Martin Wilson | Improvements in and relating to regenerative heat exchangers |
| CN107782174A (en) * | 2016-08-31 | 2018-03-09 | 黄石市高耐斯热工设备有限公司 | A kind of new Spiral baffle tubular heat exchanger |
-
2020
- 2020-05-14 CN CN202010404668.8A patent/CN111486737B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598509A (en) * | 2003-08-20 | 2009-12-09 | 路慕斯技术有限公司 | Heat exchanger |
| CN201892451U (en) * | 2010-11-02 | 2011-07-06 | 南京德邦金属装备工程有限公司 | Bending traverse baffle heat exchanger |
| CN212512643U (en) * | 2020-05-14 | 2021-02-09 | 武汉方特工业设备技术有限公司 | A riser heat exchanger with variable heat exchange area |
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| Publication number | Publication date |
|---|---|
| CN111486737A (en) | 2020-08-04 |
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