CN109097074B - Single-channel water supply bottom water-cooling coke quenching car and working method thereof - Google Patents
Single-channel water supply bottom water-cooling coke quenching car and working method thereof Download PDFInfo
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- CN109097074B CN109097074B CN201811196576.4A CN201811196576A CN109097074B CN 109097074 B CN109097074 B CN 109097074B CN 201811196576 A CN201811196576 A CN 201811196576A CN 109097074 B CN109097074 B CN 109097074B
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- 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
- C10B39/00—Cooling or quenching coke
- C10B39/14—Cars
Abstract
The invention relates to a single-channel water supply bottom water-cooling coke quenching car and a working method thereof.A car body for cooling coke quenching consists of 2 side plates, a front end plate, a rear end plate and a bottom plate which form a box-shaped structure, wherein the bottom plate is obliquely arranged; the lower part of the rear end plate is provided with a turning plate, and the side plate is provided with a water outlet; the bottom plate is provided with a sandwich structure, and a plurality of longitudinal water flow channels are formed in the sandwich structure through transverse ribs and longitudinal ribs; the water injection system comprises a water supply pipe, a main water pipe and a plurality of water diversion pipes, and the water diversion pipes are communicated with each water flow channel in a one-to-one correspondence manner; the top surfaces of the longitudinal water flow channels are respectively provided with an upper water inlet, a middle water inlet and a lower water inlet along the longitudinal direction of the vehicle body. In the invention, the cooling water of the water injection system enters the coke quenching car from a plurality of water inlets at the top of the sandwich structure, the bottom of the coke layer is directly cooled at different positions, meanwhile, the water in the sandwich structure indirectly cools the bottom of the coke layer, the uniform cooling of the whole area of the bottom of the coke layer is finally realized, and the overall cooling efficiency of the coke layer is improved.
Description
Technical Field
The invention relates to a coke quenching car, in particular to a water-cooling coke quenching car which is used for supplying water in a single way and directly and indirectly cooling the bottom of a coke layer in a full area.
Background
The temperature of the finished red hot coke is about 950-1100 ℃, and a coke quenching car is typically used to carry the red coke during the process of pushing the red hot coke out of the oven holes of the coke oven and transporting the red hot coke to the quenching equipment. The coke quenching car used for dry quenching and wet quenching is different according to the different quenching modes. Wet quench vehicles typically have a square cross section in the upper portion and a sloped shape in the lower portion for easy coke discharge. The quenching process is typically spraying cooling water from above the coke layer. However, due to the thicker coke layer and insufficient red coke gap, the cooling effect of the middle area at the bottom of the coke layer is poor. This phenomenon is particularly evident today when large volume coke ovens are widely used.
At present, car body water cooling is a solution to the uniformity of coke cooling, and similar solutions exist as follows:
1. chinese patent publication No. CN108329937a discloses a "quench car", which is mainly characterized in that a water pipeline and a water outlet are provided at the bottom of the quench car. Cooling water flows into the coke quenching car from the water injection port through the water pipeline and flows into the coke quenching car through the water outlet to soak and cool the bottom coke. The main principle of the technical scheme is to soak the coke to realize the bottom cooling of the coke layer and compress the coke quenching time.
However, in the above-mentioned technical solution, the lower coke is soaked in water for a long time, which results in a non-uniform condition that the lower coke has a high water content and the upper coke has a low water content.
2. The Chinese patent with the bulletin number of CN204342721U discloses a novel coke quenching car, which is mainly characterized in that a car door of the coke quenching car is formed by sequentially connecting a water storage tank, a water inlet pipe, a water pump, a box body, a water outlet pipe, a recovery tank and the like, and a baffle plate in the box body is provided with a diversion hole. The main purpose is the cooling door, improves the life of door, reduces maintenance cost.
However, the above technical solution does not significantly improve the quenching efficiency, and is only helpful for cooling the vehicle door.
3. The Chinese patent with publication number of CN102925171A discloses a novel simple low-moisture coke quenching car, which has the main structure that a water channel is vertically arranged at the center of a car body, n layers of water spraying holes in four directions are distributed on the water channel, a layer of water dividing grating is arranged outside the water spraying holes, and the working principle is that high-temperature coke in the coke quenching car is sprayed and quenched through the simple water channel.
However, the above technical solution is easy to damage due to the fact that the central water channel is stressed when heavy coke falls down because of being arranged in the coke pushing trailer. The coke can not be cooled well for a long time.
The direct consequences of a red quench in a quench car are: because red coke still exists, the coke cooling table belt is easy to burn out after coke unloading, and the quality of the coke is poor, the indirect result is that: the red coke is stored in the coke quenching car for too long, the heat-resistant plate, the car frame and the like of the barbecue coke quenching car are also prolonged, the coke quenching car is easier to deform due to long heating time, and the service life of the coke quenching car is shortened.
Disclosure of Invention
The invention provides a single-channel water supply bottom water-cooling coke quenching car and a working method thereof.A bottom plate of a car body of the coke quenching car adopts a sandwich structure, cooling water enters the coke quenching car from a plurality of water inlets at the top of the sandwich structure, directly cools the bottom of a coke layer at different positions, and can enlarge coke gaps; meanwhile, the water in the sandwich structure indirectly cools the bottom of the coke layer, so that the full-area uniform cooling of the bottom of the coke layer is finally realized, and the overall cooling efficiency of the coke layer is improved.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
a single-channel water supply bottom water-cooling coke quenching car comprises a coke quenching car consisting of a car body and a water injection system; the car body is a box-shaped structure with an open top and a closed five surfaces, wherein the car body consists of 2 side plates, a front end plate, a rear end plate and a bottom plate, the 2 side plates are arranged on two lateral sides of the car body, and the front end plate and the rear end plate are arranged on two longitudinal sides of the car body; the bottom surface of the front end plate is higher than the bottom surface of the rear end plate, so that the bottom plate is inclined along the corresponding direction; the lower part of the rear end plate is provided with a turning plate; the side plates are respectively provided with a water outlet at a position close to the turning plate; the bottom plate is provided with a sandwich structure, transverse ribs and longitudinal ribs are arranged in the sandwich structure, wherein the longitudinal ribs serve as partition plates, and overflow ports are formed in the tops of the transverse ribs, so that a plurality of longitudinal water flow channels are formed in the sandwich structure; the water injection system is arranged outside the vehicle body and comprises a water supply pipe, a main water pipe and a plurality of water diversion pipes which are sequentially connected, the main water pipe and the water diversion pipes are arranged at the front end of the vehicle body, the tops of the water diversion pipes extend upwards into the bottom plate and are communicated with each longitudinal water flow channel in a one-to-one correspondence manner; the top surfaces of the longitudinal water flow channels are respectively provided with an upper water inlet, a middle water inlet and a lower water inlet along the longitudinal direction of the vehicle body.
The upper parts of the transverse ribs are provided with a plurality of overflow ports in one-to-one correspondence with the longitudinal water flow channels, the opening shape of each overflow port is rectangular, semicircular or triangular, and the height of each overflow port is not more than half of the height of the transverse rib.
The upper water inlet, the middle water inlet and the lower water inlet are provided with structures protruding towards the inner side of the vehicle body, and the cross section of the protruding structures is semi-elliptical or triangular.
The water of the water injection system is injected into the bottom plate, and enters the vehicle body from a plurality of water inlets longitudinally and transversely arranged on the bottom plate, so that the bottom of the coke layer is directly cooled in a full-area and uniform manner; the specific process is as follows:
the coke quenching car loaded with the red hot coke moves to a coke quenching position under a coke quenching tower, the top of the coke quenching car is quenched by spraying, and meanwhile, cooling water is injected into the car body by a water injection system; cooling water of the water injection system flows into the main water pipe from the water supply pipe and enters the sandwich structure of the bottom plate from the plurality of water diversion pipes; one path of cooling water enters the vehicle body through a plurality of upper water inlets to directly cool the bottom of the coke layer at the front end of the vehicle body; the other path of cooling water flows downwards along each longitudinal water flow channel in the sandwich structure, enters the vehicle body from the water inlet and the water outlet respectively, and directly cools the bottom of the coke layer at the middle part and the rear end of the vehicle body; coke quenching water entering the bottom of the coke layer contacts with the red-hot coke, the coke is gasified into steam while being cooled, and the gap between the coke and the coke is increased in the process of rising through the coke layer, so that the overall cooling efficiency and the cooling uniformity of the coke layer are improved, and cooling water in the sandwich structure indirectly cools the bottom of the coke layer and protects the bottom plate.
Compared with the prior art, the invention has the beneficial effects that:
1) Part of cooling water injected by the water injection system flows into the bottom of the coke layer to be in direct contact with the incandescent coke, so that the cooling effect on the bottom coke is good;
2) After the coke quenching water is gasified at the bottom of the coke layer, the volume is instantaneously expanded and increased, and a gap is punched out of the coke layer, so that the upper spray quenching water can directly reach the inside of the coke along the gap, thereby strengthening the spray cooling effect and improving the cooling efficiency;
3) The steam can disturb the coke layer while rising to flush out the coke gap, plays a role of turning the coke block to form turbulence, so that heat is more easily taken away, and the cooling efficiency is improved;
4) The bottom plate is of a sandwich structure and is provided with a plurality of longitudinal water flow channels, the sandwich structure can be uniformly filled with cooling water, a uniform and comprehensive indirect cooling effect is achieved, shrinkage of bottom coke is accelerated, a more uniform microscopic waterway is formed, the effect of uniform contact between bottom quench water flow and coke is further enhanced, and cooling efficiency is improved;
5) The cooling water indirectly cools the coke layer, plays a role in protecting the bottom plate and preventing the bottom plate from being deformed by heating, and prolongs the service life of the coke quenching car;
6) The water inlets are arranged in layers along the high direction, and are provided with an upper layer, a middle layer and a lower layer, so that quench water can more uniformly permeate;
7) The water outlet is arranged, so that the coke is not easy to be soaked for a long time, and the water content of the bottom coke and the water content of the upper coke are not obviously different;
8) The method is particularly suitable for large-scale coke ovens with large single-hole coke production;
9) The coke can be thoroughly quenched in a short time by adopting a mode of cooling the bottom and the top together, so that the turnover rate of the coke oven and the quality of the coke are improved;
10 The design of the water inlet ensures that coke is not easy to enter the waterway from the water inlet, and quench water can flow into the vehicle body in a wider range.
Drawings
Fig. 1 is a front view of a single-pass water-supply bottom water-cooled quench car according to the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a right side view of fig. 1.
Fig. 4a is a schematic structural view of the transverse rib according to the present invention.
Fig. 4b is a schematic structural view of a transverse rib according to the present invention.
Fig. 4c is a schematic view of a transverse rib according to the present invention.
Fig. 5a is a schematic perspective view of a water inlet according to the present invention.
Fig. 5b is a schematic diagram of a three-dimensional structure of the water inlet according to the present invention.
In the figure: 1. the water inlet pipe 2, the side plate 3, the main water pipe 4, the water diversion pipe 5, the upper water inlet 6, the middle water inlet 7, the bottom plate 71, the sandwich structure 72, the transverse ribs 73, the longitudinal ribs 8, the lower water inlet 9, the water outlet 10, the turning plate 11, the front end plate 12 and the rear end plate
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
1-3, the single-channel water supply bottom water-cooling coke quenching car comprises a coke quenching car consisting of a car body and a water injection system; the car body is a box-shaped structure with an open top and a closed five surfaces, wherein the car body is composed of 2 side plates 2, a front end plate 11, a rear end plate 12 and a bottom plate 7, the 2 side plates 2 are arranged on two lateral sides of the car body, and the front end plate 11 and the rear end plate 12 are arranged on two longitudinal sides of the car body; the bottom surface of the front end plate 11 is higher than the bottom surface of the rear end plate 12, so that the bottom plate 7 is inclined in the corresponding direction; the lower part of the rear end plate 12 is provided with a turning plate 10, and the side plates 2 are respectively provided with a water outlet 9 at the position close to the turning plate 10; the bottom plate 7 is provided with a sandwich structure 71, transverse ribs 72 and longitudinal ribs 73 are arranged in the sandwich structure 71, wherein the longitudinal ribs 73 serve as separation plates, overflow ports are formed in the tops of the transverse ribs 72, and therefore a plurality of longitudinal water flow channels are formed in the sandwich structure 71; the water injection system is arranged outside the vehicle body and comprises a water supply pipe 1, a main water pipe 3 and a plurality of water diversion pipes 4 which are sequentially connected, wherein the main water pipe 3 and the water diversion pipes 4 are arranged at the front end of the vehicle body, and the tops of the water diversion pipes 4 extend upwards into a bottom plate 7 and are correspondingly communicated with the longitudinal water flow channels one by one; the top surfaces of the longitudinal water flow channels are respectively provided with an upper water inlet 5, a middle water inlet 6 and a lower water inlet 8 along the longitudinal direction of the vehicle body.
The upper part of the transverse rib 72 is provided with a plurality of overflow ports corresponding to each longitudinal water flow channel one by one, the opening shape of the overflow ports is rectangular (shown in fig. 4 a), semicircular (shown in fig. 4 b) or triangular (shown in fig. 4 c), and the height of the overflow ports is not more than half of the height of the transverse rib 72.
The upper water inlet 5, the middle water inlet 6 and the lower water inlet 8 have structures protruding toward the inner side of the vehicle body, and the cross-sectional shape of the protruding structures is a semi-elliptical shape (as shown in fig. 5 a) or a triangular shape (as shown in fig. 5 b).
The water of the water injection system is injected into the bottom plate 7, and enters the car body from a plurality of water inlets 5, 6 and 8 longitudinally and transversely arranged on the bottom plate 7 to directly cool the bottom of the coke layer uniformly in a full area; the specific process is as follows:
the coke quenching car loaded with the red hot coke moves to a coke quenching position under a coke quenching tower, and the coke is quenched at the top of the coke quenching car by spraying; simultaneously, cooling water is injected into the vehicle body through a water injection system; cooling water of the water injection system flows from the water supply pipe 1 into the main water pipe 3 and from the plurality of water diversion pipes 4 into the sandwich structure 71 of the bottom plate 7; one path of cooling water enters the vehicle body through a plurality of upper water inlets 5 to directly cool the bottom of the coke layer at the front end of the vehicle body; the other path of cooling water flows downwards along each longitudinal water flow channel in the sandwich structure 71, and enters the vehicle body from the water inlet 6 and the water outlet 8 respectively, and directly cools the bottom of the coke layer at the middle part and the rear end of the vehicle body; the quench water entering the bottom of the coke layer contacts with the red hot coke, and the quench water is gasified into steam while cooling the coke, and the gap between the coke is increased in the process of rising through the coke layer, so that the overall cooling efficiency and the cooling uniformity of the coke layer are improved, and the cooling water in the sandwich structure 71 indirectly cools the bottom of the coke layer and protects the bottom plate 7.
The invention discloses a single-channel water supply bottom water-cooling coke quenching car which comprises a car body and a water injection system, wherein the water injection system is arranged outside the car body and communicated with the inside of the car body; the car body is composed of a bottom plate 7, 2 longitudinal side plates 2, 1 transverse front end plate 11 and 1 transverse rear end plate 12, and a box-shaped structure with the top open and the other surfaces closed is formed. The bottom plate 7 is provided with a sandwich structure 71, transverse ribs 72 and longitudinal ribs 73 are distributed in the sandwich structure 71 in a staggered manner, wherein the longitudinal ribs 73 are fixedly connected with an upper plate and a lower plate which form the sandwich structure 71 in a seamless manner, the transverse ribs 72 are fixedly connected with the upper plate and the lower plate of the sandwich structure 71, but a plurality of overflow ports are formed in the top of the transverse ribs 72, and a structure which is transversely divided in multiple ways and longitudinally communicated through a plurality of longitudinal water flow channels is formed.
The water injection system comprises a water supply pipe 1, a main water pipe 3 and a water diversion pipe 4, wherein 2 water supply pipes 1 are vertically arranged on two sides of the vehicle body, the water supply pipe 1 is horizontally connected to the main water pipe 3 after passing through a 90-degree bent pipe, and the main water pipe 3 is positioned below a bottom plate 7 at the front end of the vehicle body; the main water pipe 3 is provided with a plurality of water diversion pipes 4 side by side, and the water diversion pipes 4 respectively extend upwards into the bottom plate 7 to be connected with each water flow channel.
The top of the sandwich structure 71 in the bottom plate 7 is respectively provided with an upper water inlet 5 (corresponding to the upper high-point position of the coke layer), a middle water inlet 6 (corresponding to the middle position of the coke layer) and a lower water inlet 8 (corresponding to the lower low-point position of the coke layer), and a plurality of water inlets 5, 6 and 8 are respectively arranged corresponding to each longitudinal water flow channel to form a plurality of cooling water passages longitudinally and transversely along the bottom plate 7; the coke quenching water enters the car body through each water inlet 5, 6 and 8 and directly contacts with the bottom of the coke layer to quench and cool down, so that the problem that the existing coke quenching car cannot cool the coke bottom, especially the coke bottom at the central position effectively is solved, and uniform cooling of the coke bottom is realized.
After the coke quenching water is gasified into steam at the bottom of the coke layer, the volume is instantaneously expanded and increased, the coke layer is penetrated upwards and a gap is punched in the coke layer, so that the upper spray quenching water can directly reach the inside of the coke along the gap, the spray cooling effect is enhanced, and the cooling efficiency and the overall cooling uniformity are improved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. The working method of the single-channel water supply bottom water-cooling coke quenching car is characterized in that the single-channel water supply bottom water-cooling coke quenching car comprises a coke quenching car consisting of a car body and a water injection system; the car body is a box-shaped structure with an open top and a closed five surfaces, wherein the car body consists of 2 side plates, a front end plate, a rear end plate and a bottom plate, the 2 side plates are arranged on two lateral sides of the car body, and the front end plate and the rear end plate are arranged on two longitudinal sides of the car body; the bottom surface of the front end plate is higher than the bottom surface of the rear end plate, so that the bottom plate is inclined along the corresponding direction; the lower part of the rear end plate is provided with a turning plate; the side plates are respectively provided with a water outlet at a position close to the turning plate; the bottom plate is provided with a sandwich structure, transverse ribs and longitudinal ribs are arranged in the sandwich structure, wherein the longitudinal ribs serve as partition plates, and overflow ports are formed in the tops of the transverse ribs, so that a plurality of longitudinal water flow channels are formed in the sandwich structure; the water injection system is arranged outside the vehicle body and comprises a water supply pipe, a main water pipe and a plurality of water diversion pipes which are sequentially connected, the main water pipe and the water diversion pipes are arranged at the front end of the vehicle body, the tops of the water diversion pipes extend upwards into the bottom plate and are communicated with each longitudinal water flow channel in a one-to-one correspondence manner; the top surfaces of the longitudinal water flow channels are respectively provided with an upper water inlet, a middle water inlet and a lower water inlet along the longitudinal direction of the vehicle body;
the water of the water injection system is injected into the bottom plate, and enters the vehicle body from a plurality of water inlets which are longitudinally and transversely arranged on the bottom plate, so that the bottom of the coke layer is directly cooled in a full area and uniformly; the specific process is as follows:
the coke quenching car loaded with the red hot coke moves to a coke quenching position under a coke quenching tower, the top of the coke quenching car is quenched by spraying, and meanwhile, cooling water is injected into the car body by a water injection system; cooling water of the water injection system flows into the main water pipe from the water supply pipe and enters the sandwich structure of the bottom plate from the plurality of water diversion pipes; one path of cooling water enters the vehicle body through a plurality of upper water inlets to directly cool the bottom of the coke layer at the front end of the vehicle body; the other path of cooling water flows downwards along each longitudinal water flow channel in the sandwich structure, enters the vehicle body from the water inlet and the water outlet respectively, and directly cools the bottom of the coke layer at the middle part and the rear end of the vehicle body; coke quenching water entering the bottom of the coke layer contacts with the red-hot coke, the coke is gasified into steam while being cooled, and the gap between the coke and the coke is increased in the process of rising through the coke layer, so that the overall cooling efficiency and the cooling uniformity of the coke layer are improved, and cooling water in the sandwich structure indirectly cools the bottom of the coke layer and protects the bottom plate.
2. The working method of the single-channel water supply bottom water-cooling coke quenching car as claimed in claim 1, wherein a plurality of overflow ports are formed in the upper part of the transverse rib in one-to-one correspondence with the longitudinal water flow channels, the overflow ports are rectangular, semicircular or triangular in opening shape, and the height of the overflow ports is not more than half of the height of the transverse rib.
3. The method for operating a single pass water bottom water quench car as set forth in claim 1 wherein said upper, middle and lower water inlets have a convex configuration to the inside of the car body and the cross-sectional shape of the convex configuration is semi-elliptical or triangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811196576.4A CN109097074B (en) | 2018-10-15 | 2018-10-15 | Single-channel water supply bottom water-cooling coke quenching car and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811196576.4A CN109097074B (en) | 2018-10-15 | 2018-10-15 | Single-channel water supply bottom water-cooling coke quenching car and working method thereof |
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| CN109097074A CN109097074A (en) | 2018-12-28 |
| CN109097074B true CN109097074B (en) | 2023-09-19 |
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| CN201811196576.4A Active CN109097074B (en) | 2018-10-15 | 2018-10-15 | Single-channel water supply bottom water-cooling coke quenching car and working method thereof |
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| CN209161951U (en) * | 2018-10-15 | 2019-07-26 | 中冶焦耐(大连)工程技术有限公司 | A kind of single channel water supply bottom water cooling coke quenching cart |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB575241A (en) * | 1944-03-10 | 1946-02-08 | Wellman Smith Owen Eng Co Ltd | Improvements in or relating to coke wagons |
| CN86102864A (en) * | 1985-04-23 | 1986-10-29 | 法国石油公司 | Heat-exchange device is particularly useful for the heat-exchange device that gas exchanges |
| CN1034569A (en) * | 1987-12-10 | 1989-08-09 | 卡通·科恩机械股份公司 | Quenching apparatus of coke |
| CN1140828A (en) * | 1995-07-07 | 1997-01-22 | 昭和铝株式会社 | Refrigerant tubes for heat exchangers |
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| CN207368169U (en) * | 2017-10-25 | 2018-05-15 | 北京美联桥科技发展有限公司 | A kind of new-energy automobile power battery water-cooling plate |
| CN108091961A (en) * | 2017-12-12 | 2018-05-29 | 桑顿新能源科技有限公司 | A kind of battery drainage samming liquid cooling plate |
| CN108221843A (en) * | 2018-03-16 | 2018-06-29 | 卿何琳 | A kind of discharge structure structure of water conservancy |
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| CN209161951U (en) * | 2018-10-15 | 2019-07-26 | 中冶焦耐(大连)工程技术有限公司 | A kind of single channel water supply bottom water cooling coke quenching cart |
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| CN109097074A (en) | 2018-12-28 |
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