CN113686171B - Cooling water circulation system of calcination coke cooler - Google Patents
Cooling water circulation system of calcination coke cooler Download PDFInfo
- Publication number
- CN113686171B CN113686171B CN202111009215.6A CN202111009215A CN113686171B CN 113686171 B CN113686171 B CN 113686171B CN 202111009215 A CN202111009215 A CN 202111009215A CN 113686171 B CN113686171 B CN 113686171B
- Authority
- CN
- China
- Prior art keywords
- water
- cooling
- heat exchange
- communicated
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/14—Direct-contact trickle coolers, e.g. cooling towers comprising also a non-direct contact heat exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
-
- 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
- C10B39/04—Wet quenching
-
- 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
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/06—Spray nozzles or spray pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/10—Component parts of trickle coolers for feeding gas or vapour
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C2001/006—Systems comprising cooling towers, e.g. for recooling a cooling medium
Abstract
The invention discloses a cooling water circulation system of a calcination coke cooler, which comprises a cooling tower and a circulating water tank, wherein the circulating water tank is arranged at one side of the cooling tower and is communicated with a water return port of the cooling tower, the lower part of the cooling tower is provided with an immersed heat exchange mechanism, the water inlet end of the immersed heat exchange mechanism is communicated with a circulating water return pipeline, and the upper part of the immersed heat exchange mechanism is communicated with a spray cooling mechanism.
Description
Technical Field
The invention relates to the technical field of cooling water circulating systems of coke coolers, in particular to a cooling water circulating system of a calcination coke cooler.
Background
The needle coke is a high-quality variety which is developed in carbon materials, the appearance of the needle coke is silver gray and porous solid with metallic luster, the structure of the needle coke has obvious flowing texture, holes are large, few and slightly elliptical, particles have larger length-width ratio, texture trend like fiber or needle shape is provided, the needle coke has lubrication feeling, the needle coke is a raw material for producing high-end carbon products such as ultra-high power electrodes, special carbon materials, carbon fibers and composite materials thereof, the temperature of the calcined needle coke is very high, the needle coke is cooled by a rotary cooler in the prior art, a water spraying device respectively sprays water into the high-temperature needle coke in the cooler for cooling and sprays water onto a cylinder body of the cooler for cooling, and the cooling water is in direct contact with the high-temperature needle coke for reaction, so that the quality and the yield of the needle coke are reduced, therefore, part of manufacturers refer to the principle of a drum slag cooler by adopting a jacket water circulation mode, the direct contact of cooling water and the high-temperature needle coke can be effectively avoided, the heat is absorbed by water in the cylinder wall of the membrane cooler, the needle coke, the high-temperature coke is cooled by the water in the cooling tower, the high-temperature can be rapidly cooled, the water is required to be cooled by the high-temperature coke, the cooling tower, the water circulation tower is wasted in the prior art, the cooling tower is high in the circulating condition, the cooling environment is easily has high circulating water circulation, and the cooling efficiency is easily has a high circulating water circulation effect, and the problem is easily has a high cooling effect in the cooling temperature circulation process and has a high temperature cooling temperature circulating the cooling temperature and has a high temperature circulating temperature and a high temperature circulating temperature and a temperature circulating temperature.
Disclosure of Invention
The invention aims to solve the problems, and designs a cooling water circulation system of a calcination coke cooler, which solves the problems in the background technology.
The technical scheme of the invention for achieving the purpose is as follows: the cooling water circulation system of the calcination coke cooler comprises a cooling tower and a circulating water tank, wherein the circulating water tank is arranged on one side of the cooling tower and is communicated with a water return port of the cooling tower, the lower part of the cooling tower is provided with an immersed heat exchange mechanism, the water inlet end of the immersed heat exchange mechanism is communicated with a circulating water return pipeline, the upper part of the immersed heat exchange mechanism is communicated with a spray cooling mechanism, the upper part of the spray cooling mechanism is communicated with an air cooling mechanism, and the position of an air outlet at the upper end of the cooling tower is provided with a water mist separation mechanism;
the immersion heat exchange mechanism comprises: the water storage tank is arranged in the cooling water tower, the tubular heat exchange structure is arranged in the water storage tank, one end of the tubular heat exchange structure is communicated with a circulating water return pipeline, the other end of the tubular heat exchange structure is communicated with the spraying cooling mechanism, and the pressurizing water guide structure is respectively communicated with the cooling water tank and the water storage tank;
the water mist separation mechanism comprises: the water mist separation device comprises an induced draft fan and a water mist separation structure, wherein the induced draft fan is arranged on a cooling tower, an air inlet end of the induced draft fan is communicated with the cooling tower, one end of the water mist separation structure is communicated with an exhaust end of the induced draft fan, and the lower end of the water mist separation structure is communicated with the side wall of the cooling tower.
The tubular heat exchange structure comprises: the heat exchange device comprises two cone-shaped covers, two connecting plates and a plurality of heat exchange tubes, wherein the two cone-shaped covers are symmetrically arranged in a water storage tank, the two connecting plates are respectively arranged at the open ends of the two cone-shaped covers, and the plurality of heat exchange tubes are fixedly welded on the two connecting plates along an annular array and are respectively communicated with the cone-shaped covers.
The pressurizing water guide structure comprises: the water injection pump, drain pump, level sensor and temperature sensor, the water inlet end of water injection pump is linked together with cold water tank, the water outlet end stretches into the aqua storage tank, the water inlet end of drain pump stretches into the aqua storage tank, the drainage end is connected with circulation water guide subassembly, level sensor sets up in the aqua storage tank, temperature sensor sets up in level sensor one side.
The circulating water guide assembly includes: the water storage device comprises a water guide pipe, a three-way control valve, a circulating water pipe and a drain pipe, wherein one end of the water guide pipe is connected with the outlet end of a drain pump, the inlet end of the three-way control valve is communicated with the water guide pipe, one end of the circulating water pipe is communicated with one outlet of the three-way control valve, the other end of the circulating water pipe stretches into the water storage tank, one end of the drain pipe is communicated with the other outlet of the three-way control valve, and the other end of the drain pipe is communicated with a boiler water tank.
The spray cooling mechanism comprises: the cooling tower comprises a bracket, a disc heat exchange copper pipe and a spraying water supply structure, wherein the bracket is arranged on the inner side wall surface of the cooling tower, the disc heat exchange copper pipe is arranged on the bracket, one end of the disc heat exchange copper pipe is communicated with the tubular heat exchange structure, one end of the spraying water supply structure is communicated with a cooling water tank, and the other end of the spraying water supply structure stretches into the cooling water tower and is opposite to the position of the disc heat exchange copper pipe.
The spray water supply structure includes: the water inlet end of the booster pump is communicated with the cold water tank, one end of the annular water injection pipe is communicated with the water outlet end of the booster pump, the other end of the annular water injection pipe extends into the lower part of the disc heat exchange copper pipe respectively, the inner spray assembly is inserted into the inner side of the disc heat exchange copper pipe and is communicated with the annular water injection pipe, and the outer spray assembly is sleeved on the outer side of the disc heat exchange copper pipe and is communicated with the annular water injection pipe.
The inboard spray assembly includes: the central column is inserted into the inner side of the disc type heat exchange tube and is communicated with the annular water injection tube, and the inner side spray header is arranged on the side wall of the central column along the annular array and is communicated with the central column.
The outside spray assembly includes: l type riser, annular pipe and outside shower, L type riser sets up in the disc heat transfer copper pipe outside and is linked together with annular water injection pipe, annular pipe suit is in the disc heat transfer copper pipe outside and is linked together with L type riser, outside shower sets up on annular pipe inside wall face and is linked together with annular pipe inside wall face along annular array.
The air cooling mechanism comprises: the cooling device comprises a mounting seat, a blower and a wind scooper, wherein the mounting seat is arranged on the outer side wall surface of the cooling tower along an annular array, the blower is arranged on the mounting seat, the air outlet end of the blower stretches into the cooling tower, and the wind scooper is arranged on the air outlet end of the blower and is opposite to one side of the spraying cooling mechanism.
The water mist separation structure includes: separation storehouse, water catch bowl, drain valve and wet return, separation storehouse lateral wall is linked together with the air-out end of draught fan, the water catch bowl sets up on the separation storehouse lower extreme, the drain valve sets up on the lower extreme of water catch bowl, the one end of wet return is linked together with the drain valve, the other end stretches into in the cooling tower.
The cooling water circulation system of the calcining coke cooler manufactured by the technical scheme of the invention is characterized in that an immersion heat exchange mechanism is arranged at the lower part of a cooling water tower, high-temperature circulating water subjected to heat exchange by a film type coke cooler is introduced into the immersion heat exchange mechanism and subjected to primary heat exchange, the cooling water in the immersion heat exchange mechanism keeps higher flow velocity in the heat exchange process, so that a large amount of heat can be taken away in the primary heat exchange process, meanwhile, the cooling water subjected to heat exchange can be supplied into a boiler water tank, thereby realizing the full utilization of the heat, the circulating water subjected to primary heat exchange further enters a spray cooling mechanism for secondary spray cooling, the cooling water used for spray cooling is converged downwards and further enters the immersion heat exchange mechanism below, the consumption of the cooling water can be effectively reduced, the circulating water after the second-level cooling continuously goes upward and enters the air cooling mechanism of the third level, thereby carrying out air cooling and further cooling on the circulating water, the circulating water temperature after the third-level cooling can reach the recycling requirement, and flows back to the circulating water tank for temporary storage, meanwhile, the upper part of the cooling tower is provided with the water mist separating mechanism, and the upward water vapor generated in the whole cooling and cooling process can be subjected to gas mist separation, thereby effectively reducing the content of water mist in the exhaust gas, effectively reducing the influence on the surrounding environment, the cooling tower adopts a closed structural design, has compact structure, high integration degree and higher heat utilization rate, solves the problems that in the prior art, the cooling circulation of the high-temperature circulating water is carried out mostly through the cooling tower, the structure of the existing cooling tower is single, the water consumption is larger and the heat exchanging and cooling efficiency is not high in the cooling operation process, the heat waste is serious, and a large amount of water mist is easy to generate, so that the quality of the surrounding environment of a factory is affected.
Drawings
Fig. 1 is a schematic perspective view of a cooling water circulation system of a calcination coke cooler according to the present invention.
Fig. 2 is a schematic diagram of a front view structure of a cooling water circulation system of a calcination coke cooler according to the present invention.
Fig. 3 is a schematic diagram of a partial sectional view axis measurement structure of a cooling water circulation system of a calcination coke cooler according to the present invention.
Fig. 4 is a schematic diagram of a partial perspective view of a cooling water circulation system of a calcination cooling machine according to the present invention.
Fig. 5 is a schematic diagram of a front view cross-section structure of a cooling water circulation system of a calcination coke cooler according to the present invention.
FIG. 6 is a schematic diagram of a sectional structure of A-A position of a cooling water circulation system of a calcination coke cooler according to the present invention.
Fig. 7 is a schematic view of a partial enlarged structure of fig. 6 of a cooling water circulation system of a calcination coke cooler according to the present invention.
Fig. 8 is an enlarged a-position schematic diagram of a cooling water circulation system of a calcination coke cooler.
In the figure: 1. a cooling tower; 2. a circulation water tank; 3. a cold water tank; 4. a water storage tank; 5. an induced draft fan; 6. a cone-shaped cover; 7. a connecting plate; 8. a heat exchange tube; 9. a water injection pump; 10. a draining pump; 11. a liquid level sensor; 12. a temperature sensor; 13. a water conduit; 14. a three-way control valve; 15. a circulating water pipe; 16. a drain pipe; 17. a bracket; 18. disc type heat exchange copper pipe; 19. a booster pump; 20. an annular water injection pipe; 21. a center pipe column; 22. an inner spray header; 23. an L-shaped vertical pipe; 24. an annular tube; 25. an outer spray header; 26. a mounting base; 27. a blower; 28. a wind scooper; 29. a separation bin; 30. a water collection bucket; 31. a drain valve; 32. and a water return pipe.
Detailed Description
The present invention is specifically described below with reference to the accompanying drawings, as shown in fig. 1-8, all the electrical components in the present invention are connected with the power supply adapted thereto by wires by a person skilled in the art, and an appropriate controller should be selected according to the actual situation, so as to meet the control requirements, specific connection and control sequence, and in the following working principles, the sequential working sequence between the electrical components should be referred to complete the electrical connection, and the detailed connection means thereof are known in the art, and the following main description of the working principles and processes will not be provided for explaining the electrical control.
Examples: as can be seen from fig. 1-8 of the specification, the scheme includes a cooling tower 1 and a circulating water tank 2, the circulating water tank 2 is arranged at one side of the cooling tower 1 and is communicated with a water return port of the cooling tower 1, an immersed heat exchange mechanism is arranged at the lower part of the cooling tower 1, a water inlet end of the immersed heat exchange mechanism is communicated with a circulating water return pipeline, a spray cooling mechanism is communicated with the upper part of the immersed heat exchange mechanism, an air cooling mechanism is communicated with the upper part of the spray cooling mechanism, a water mist separation mechanism is arranged at an air outlet at the upper end of the cooling tower 1, high-temperature circulating water after heat exchange by a film type coke machine is introduced into the immersed heat exchange mechanism, primary heat exchange is carried out on the high-temperature water, and in the heat exchange process, the cooling water in the immersed heat exchange mechanism maintains a higher flow rate, so that a large amount of heat can be taken away in the primary heat exchange process, and the cooling water after heat exchange can be supplied into a boiler water tank, thereby realizing the full utilization of heat, the circulating water after primary heat exchange further enters into a spray cooling mechanism for secondary spray cooling, the cooling water used for spray cooling is converged downwards and further enters into a submerged heat exchange mechanism at the lower part, the consumption of the cooling water can be effectively reduced, the circulating water after secondary cooling continues to ascend and enters into the air cooling mechanism of the third stage, thereby carrying out air cooling, further cooling the circulating water, the circulating water temperature after the tertiary cooling can meet the recycling requirement, the circulating water is refluxed into a circulating water tank 2 for temporary storage, meanwhile, a water mist separating mechanism is arranged at the upper part of a cold water tower 1, the upstream water vapor generated in the whole cooling process can be subjected to gas mist separation, thereby effectively reducing the content of water mist in the exhaust gas, the influence on the surrounding environment is effectively reduced, the cooling tower 1 adopts a closed structure design, the structure is compact, the integration degree is high, and the heat utilization rate is high;
in a specific implementation process, the immersed heat exchange mechanism comprises: the water storage device comprises a cold water tank 3, a water storage tank 4, a tubular heat exchange structure and a pressurizing water guide structure, wherein the cold water tank 3 is arranged at one side of the cold water tank 1, the water storage tank 4 is arranged in the cold water tank 1, the tubular heat exchange structure is arranged in the water storage tank 4, one end of the tubular heat exchange structure is communicated with a circulating water return pipeline, the other end of the tubular heat exchange structure is communicated with a spraying cooling mechanism, the pressurizing water guide structure is respectively communicated with the cold water tank 3 and the water storage tank 4, when the water storage device is used, high-temperature circulating water subjected to heat exchange by a coke oven is pressurized and then is injected into the tubular heat exchange structure in the water storage tank 4 to exchange heat with cooling water in the water storage tank 4, so that primary cooling of the circulating water is realized, in the process, the pressurizing water guide structure is matched to forcedly circulate the cooling water in the water storage tank 4, so that the temperature of the cooling water in the water storage tank 4 is kept in a proper range, and when the temperature of the cooling water in the water storage tank 4 exceeds a set value, the water in the water storage tank 4 is introduced into the boiler water tank, and the cooling water is replenished into the water tank 4, and the water storage tank 4 is kept in a proper range, the primary heat exchange efficiency is guaranteed, and the primary heat exchange heat is taken away;
in a specific implementation process, the water mist separation mechanism comprises: draught fan 5 and water smoke separation structure, draught fan 5 sets up on cooling tower 1 and the air inlet end is linked together with cooling tower 1, water smoke separation structure's one end is linked together with cooling tower 1's exhaust end, water smoke separation structure's lower extreme is linked together with cooling tower 1 lateral wall, in carrying out multistage heat transfer treatment in-process during the use, will produce a large amount of water smoke in cooling tower 1, water smoke is derived through draught fan 5, and after the pressurization, radially pour into water smoke separation structure along water smoke separation structure, thereby under the cooperation effect of shearing force and gravity, make the water smoke in the water smoke condense, and retrieve the condensate water, dry gas discharges through water smoke separation structure upper portion, and a large amount of water smoke is high in reliability, and maintenance cost is lower.
As can be seen from fig. 3 to 7 of the specification, in the implementation process, the tubular heat exchange structure includes: the two cone-shaped covers 6, two connecting plates 7 and a plurality of heat exchange tubes 8, the two cone-shaped covers 6 are symmetrically arranged in the water storage tank 4, the two connecting plates 7 are respectively arranged at the open ends of the two cone-shaped covers 6, the plurality of heat exchange tubes 8 are respectively fixedly welded on the two connecting plates 7 along the annular array and are respectively communicated with the cone-shaped covers 6, high-temperature circulating water is introduced through the cone-shaped covers 6 at one end, the high-temperature circulating water is enabled to be split into each heat exchange tube 8 under the cooperation of the connecting plates 7 and the heat exchange tubes 8, heat exchange is carried out through the heat exchange tubes 8 and cooling water in the water storage tank 4, heat exchange efficiency can be effectively improved, and circulating water after heat exchange is converged into the cone-shaped covers 6 at the other side and enters into the spray cooling mechanism for secondary heat exchange cooling treatment under the action of water pressure.
As can be seen from fig. 1 to 8 of the specification, in the implementation process, the pressurizing water guiding structure includes: the water injection pump 9, the drain pump 10, the level sensor 11 and temperature sensor 12, the water inlet end of water injection pump 9 is linked together with cold water tank 3, the water outlet end stretches into in the aqua storage tank 4, the water inlet end of drain pump 10 stretches into in the aqua storage tank 4, the drainage end is connected with circulation water guide component, level sensor 11 sets up in the aqua storage tank 4, temperature sensor 12 sets up in level sensor 11 one side, wherein circulation water guide component includes: the water guide pipe 13, the three-way control valve 14, the circulating water pipe 15 and the water discharge pipe 16, one end of the water guide pipe 13 is connected with the outlet end of the drainage pump 10, the inlet end of the three-way control valve 14 is communicated with the water guide pipe 13, one end of the circulating water pipe 15 is communicated with one outlet of the three-way control valve 14, the other end of the circulating water pipe extends into the water storage tank 4, one end of the water discharge pipe 16 is communicated with the other outlet of the three-way control valve 14, the other end of the water discharge pipe is communicated with the boiler water tank, when in use, the low-temperature cooling water in the cold water tank 3 is injected into the water storage tank 4 through the water injection pump 9, when the water level reaches the set height, the liquid level sensor 11 sends out an electric signal and transmits the electric signal to the controller, the controller controls the water injection pump 9 to stop supplying water, meanwhile, the drainage pump 10 is started and the three-way control valve 14 is controlled to be communicated through the pipeline of the circulating water pipe 15, at the moment, the drainage pump 10 pumps the water in the water storage tank 4, and reflux to the aqua storage tank 4 through aqueduct 13, tee bend control valve 14 and circulating water pipe 15, thereby make the water in the aqua storage tank 4 keep high-speed flow, and then improve the heat exchange efficiency with tubular heat transfer structure, utilize temperature sensor 12 to monitor the temperature in the aqua storage tank 4 simultaneously, when the temperature reaches the settlement to, the controller control tee bend control valve 14 action, make intercommunication between aqueduct 13 and the drain pipe 16, take out the high temperature cooling water in the aqua storage tank 4, and pour into boiler water tank, start water injection pump 9 simultaneously, supply cold water in the aqua storage tank 4, when the temperature resumes the settlement temperature, open the forced inner loop operation again, and then make the temperature in the aqua storage tank 4 remain in the settlement temperature range all the time, fully guarantee the heat exchange efficiency of one-level heat exchange operation.
As can be seen from fig. 1 to 7 of the specification, in a specific implementation process, the spraying cooling mechanism includes: support 17, disc heat transfer copper pipe 18 and spray water supply structure, support 17 set up on cooling tower 1 inside wall face, and disc heat transfer copper pipe 18 sets up on support 17 and one end is linked together with tubular heat transfer structure, sprays water supply structure's one end and is linked together with cooling water tank 3, the other end stretches into cooling water tower 1 in and just to disc heat transfer copper pipe 18 position, and above-mentioned spray water supply structure includes: the water inlet end of the booster pump 19 is communicated with the cold water tank 3, one end of the annular water injection pipe 20 is communicated with the water outlet end of the booster pump 19, the other end of the annular water injection pipe 20 extends into the lower part of the disc heat exchange copper pipe 18 respectively, the inner spray assembly is inserted into the inner side of the disc heat exchange copper pipe 18 and is communicated with the annular water injection pipe 20, the outer spray assembly is sleeved on the outer side of the disc heat exchange copper pipe 18 and is communicated with the annular water injection pipe 20, and the inner spray assembly comprises: the center pipe column 21 and inboard shower head 22, center pipe column 21 cartridge is inboard in disk heat exchange tube 8 and be linked together with annular water injection pipe 20, and inboard shower head 22 sets up on center pipe column 21 lateral wall and is linked together with center pipe column 21 along annular array, and outside spray assembly includes: the L-shaped vertical pipe 23, the annular pipe 24 and the outer spray header 25 are arranged on the outer side of the disc-type heat exchange copper pipe 18 and are communicated with the annular water injection pipe 20, the annular pipe 24 is sleeved on the outer side of the disc-type heat exchange copper pipe 18 and is communicated with the L-type vertical pipe 23, the outer spray header 25 is arranged on the inner side wall surface of the annular pipe 24 along an annular array and is communicated with the inner side wall surface of the annular pipe 24, when the water storage device is used, circulating water subjected to primary heat exchange further enters the disc-type heat exchange copper pipe 18 on the support 17, the booster pump 19 is started, low-temperature cooling water in the cold water tank 3 is led out through the booster pump 19 and is injected into the annular water injection pipe 20 after being boosted, water flow enters the central pipe column 21 and the L-type vertical pipe 23 on the annular water injection pipe 20 under the pressure effect respectively, and is sprayed out through the inner spray header 22 on the inner side wall of the annular spray header 24 on the L-type vertical pipe 23, so that the inner side wall and outer side of the disc-type heat exchange copper pipe 18 are subjected to comprehensive temperature reduction, and the circulating water are subjected to further heat exchange, and the water is further subjected to gravity water spraying, and the water storage device can move downwards to the water storage tank 4, and the water storage device can avoid the waste.
As can be seen from fig. 1 to 3 and fig. 5 of the specification, in a specific implementation process, the air cooling mechanism includes: the cooling device comprises a mounting seat 26, a blower 27 and a wind scooper 28, wherein the mounting seat 26 is arranged on the outer side wall surface of the cooling tower 1 along an annular array, the blower 27 is arranged on the mounting seat 26, the air outlet end of the blower extends into the cooling tower 1, the wind scooper 28 is arranged on the air outlet end of the blower 27 and is opposite to one side of a spraying cooling mechanism, when the cooling device is used, the blower 27 on the mounting seat 26 is started when spraying cooling operation is carried out, the blower 27 is utilized to suck cold air outside the cooling tower 1, and the air is blown out through the wind scooper 28 at the air outlet end of the blower 27, so that the cooling drying is carried out on the disc type heat exchange copper pipe 18 in an air cooling manner, and the evaporation of water attached to the outer wall of the disc type heat exchange copper pipe 18 in the spraying cooling operation process can be further accelerated in the air blowing process, so that the cooling efficiency of circulating water is effectively improved.
As can be seen from fig. 1 to 3 of the specification and fig. 5, in the implementation process, the water mist separation structure includes: the separation bin 29, the water catch bowl 30, drain valve 31 and wet return 32, the air-out end that separation bin 29 lateral wall and draught fan 5 is linked together, water catch bowl 30 sets up on separation bin 29 lower extreme, drain valve 31 sets up on the lower extreme of water catch bowl 30, the one end and the drain valve 31 of wet return 32 are linked together, the other end stretches into in the cooling water tower 1, in the whole heat transfer cooling operation in-process, the water smoke that produces in the cooling water tower 1 is through draught fan 5 suction, and blow into separation bin 29 radially along separation bin 29 lateral wall, the water droplet in the water smoke moves along separation bin 29 inside under radial wind flow effect, and move downwards under the action of gravity, and then collect in the water catch bowl 30 of separation bin 29 lower part, dry gas is discharged through separation bin 29 upper portion, open drain valve 31 regularly, can be with the water reinjection of separation to in the aqua storage tank 4 through wet return 32, the whole process is continuous, condensation return water is efficient, can effectively reduce the influence that a large amount of water smoke caused to the environment in the direct discharge process, simultaneously can reduce the loss of cooling water.
In summary, the cooling water circulation system of the calcination coke cooler is characterized in that an immersed heat exchange mechanism is arranged at the lower part of a cooling water tower 1, high-temperature circulating water subjected to heat exchange by a film type coke cooler is introduced into the immersed heat exchange mechanism, and primary heat exchange is carried out on the high-temperature water, so that the cooling water in the immersed heat exchange mechanism keeps higher flow velocity in the heat exchange process, a large amount of heat can be taken away in the primary heat exchange process, meanwhile, the cooling water subjected to heat exchange can be supplied into a boiler water tank, thereby realizing full utilization of the heat, the circulating water subjected to primary heat exchange further enters a spray cooling mechanism for secondary spray cooling, the cooling water used for spray cooling is downwards converged and further enters the immersed heat exchange mechanism below, the consumption of the cooling water can be effectively reduced, the circulating water subjected to secondary cooling continues to uplink, the air cooling mechanism enters the third stage for air cooling, thereby further cooling the circulating water, the circulating water temperature after the three stages of cooling can reach the recycling requirement, the circulating water is returned to the circulating water tank 2 for temporary storage, and meanwhile, the upper part of the cooling tower 1 is provided with a water mist separating mechanism, which can separate the air mist of the upstream water vapor generated in the whole cooling process, thereby effectively reducing the content of the water mist in the exhaust gas, effectively reducing the influence on the surrounding environment, the cooling tower 1 adopts a closed structural design, has compact structure, high integration degree and higher heat utilization rate, solves the problems that the cooling circulation of the high-temperature circulating water is mostly carried out through the cooling tower in the prior art, the structure of the existing cooling tower is single, the water consumption is larger, the heat exchange cooling efficiency is not high, the heat waste is serious, meanwhile, a large amount of water mist is easy to generate, and the quality of the surrounding environment of the factory is affected.
The above technical solution only represents the preferred technical solution of the present invention, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present invention, and the technical solution falls within the scope of the present invention.
Claims (6)
1. The cooling water circulation system of the calcination coke cooler comprises a cooling tower (1) and a circulating water tank (2), and is characterized in that the circulating water tank (2) is arranged on one side of the cooling tower (1) and is communicated with a water return port of the cooling tower (1), an immersed heat exchange mechanism is arranged at the lower part of the cooling tower (1), a water inlet end of the immersed heat exchange mechanism is communicated with a circulating water return pipeline, a spray cooling mechanism is communicated with the upper part of the immersed heat exchange mechanism, an air cooling mechanism is communicated with the upper part of the spray cooling mechanism, and a water mist separation mechanism is arranged at the position of an air outlet at the upper end of the cooling tower (1);
the immersion heat exchange mechanism comprises: the water cooling device comprises a cold water tank (3), a water storage tank (4), a tubular heat exchange structure and a pressurizing water guide structure, wherein the cold water tank (3) is arranged on one side of the cold water tower (1), the water storage tank (4) is arranged in the cold water tower (1), the tubular heat exchange structure is arranged in the water storage tank (4) and one end of the tubular heat exchange structure is communicated with a circulating water return pipeline, the other end of the tubular heat exchange structure is communicated with a spraying cooling mechanism, and the pressurizing water guide structure is respectively communicated with the cold water tank (3) and the water storage tank (4);
the water mist separation mechanism comprises: the water mist separation device comprises an induced draft fan (5) and a water mist separation structure, wherein the induced draft fan (5) is arranged on a cooling tower (1), an air inlet end of the induced draft fan is communicated with the cooling tower (1), one end of the water mist separation structure is communicated with an air exhaust end of the induced draft fan (5), and the lower end of the water mist separation structure is communicated with the side wall of the cooling tower (1);
the spray cooling mechanism comprises: the cooling tower comprises a bracket (17), a disc heat exchange copper pipe (18) and a spraying water supply structure, wherein the bracket (17) is arranged on the inner side wall surface of the cooling tower (1), the disc heat exchange copper pipe (18) is arranged on the bracket (17) and one end of the disc heat exchange copper pipe is communicated with the tubular heat exchange structure, one end of the spraying water supply structure is communicated with the cooling water tank (3), and the other end of the spraying water supply structure stretches into the cooling tower (1) and is opposite to the position of the disc heat exchange copper pipe (18);
the spray water supply structure includes: the device comprises a booster pump (19), an annular water injection pipe (20), an inner spray assembly and an outer spray assembly, wherein the water inlet end of the booster pump (19) is communicated with a cold water tank (3), one end of the annular water injection pipe (20) is communicated with the water outlet end of the booster pump (19), the other end of the annular water injection pipe extends below a disc heat exchange copper pipe (18) respectively, the inner spray assembly is inserted into the inner side of the disc heat exchange copper pipe (18) and is communicated with the annular water injection pipe (20), and the outer spray assembly is sleeved on the outer side of the disc heat exchange copper pipe (18) and is communicated with the annular water injection pipe (20);
the inboard spray assembly includes: the central pipe column (21) and the inner side spray header (22), wherein the central pipe column (21) is inserted into the inner side of the disc heat exchange pipe (8) and is communicated with the annular water injection pipe (20), and the inner side spray header (22) is arranged on the side wall of the central pipe column (21) along the annular array and is communicated with the central pipe column (21);
the outside spray assembly includes: l type riser (23), annular pipe (24) and outside shower head (25), L type riser (23) set up in disc heat transfer copper pipe (18) outside and are linked together with annular water injection pipe (20), annular pipe (24) suit is in disc heat transfer copper pipe (18) outside and are linked together with L type riser (23), outside shower head (25) set up on annular pipe (24) inside wall face and are linked together with annular pipe (24) inside wall face along annular array.
2. The cooling water circulation system of a calcination coke cooler according to claim 1, wherein the tubular heat exchange structure comprises: two cone-shaped covers (6), two connecting plates (7) and a plurality of heat exchange tubes (8), two cone-shaped covers (6) symmetry sets up in aqua storage tank (4), two connecting plates (7) set up respectively on the open end of two cone-shaped covers (6), a plurality of heat exchange tubes (8) are along annular array fixed welding respectively on two connecting plates (7) and be linked together with cone-shaped covers (6) respectively.
3. The cooling water circulation system of a calcination coke cooler according to claim 1, wherein the supercharging water guiding structure comprises: the water injection pump (9), drain pump (10), level sensor (11) and temperature sensor (12), the water inlet end and the cold water tank (3) of water injection pump (9) are linked together, the water outlet end stretches into in aqua storage tank (4), the water inlet end of drain pump (10) stretches into in aqua storage tank (4), the drainage end is connected with circulation water guide subassembly, level sensor (11) set up in aqua storage tank (4), temperature sensor (12) set up in level sensor (11) one side.
4. A calcination cooling water circulation system according to claim 3, wherein the circulation water guide assembly comprises: the water storage device comprises a water guide pipe (13), a three-way control valve (14), a circulating water pipe (15) and a drain pipe (16), wherein one end of the water guide pipe (13) is connected with the outlet end of a drainage pump (10), the inlet end of the three-way control valve (14) is communicated with the water guide pipe (13), one end of the circulating water pipe (15) is communicated with one outlet of the three-way control valve (14), the other end of the circulating water pipe extends into a water storage tank (4), and one end of the drain pipe (16) is communicated with the other outlet of the three-way control valve (14), and the other end of the drain pipe is communicated with a boiler water tank.
5. The cooling water circulation system of a calcination coke cooler according to claim 1, wherein the air cooling mechanism comprises: the cooling device comprises a mounting seat (26), a blower (27) and a wind scooper (28), wherein the mounting seat (26) is arranged on the outer side wall surface of the cooling tower (1) along an annular array, the blower (27) is arranged on the mounting seat (26) and the air outlet end of the blower extends into the cooling tower (1), and the wind scooper (28) is arranged on the air outlet end of the blower (27) and is opposite to one side of the spraying cooling mechanism.
6. The cooling water circulation system of a calcination coke cooler according to claim 1, wherein the water mist separation structure comprises: separation storehouse (29), water catch bowl (30), drain valve (31) and wet return (32), separation storehouse (29) lateral wall is linked together with the air-out end of draught fan (5), water catch bowl (30) set up on separation storehouse (29) lower extreme, drain valve (31) set up on the lower extreme of water catch bowl (30), the one end and drain valve (31) of wet return (32) are linked together, the other end stretches into in cooling water tower (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111009215.6A CN113686171B (en) | 2021-08-31 | 2021-08-31 | Cooling water circulation system of calcination coke cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111009215.6A CN113686171B (en) | 2021-08-31 | 2021-08-31 | Cooling water circulation system of calcination coke cooler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113686171A CN113686171A (en) | 2021-11-23 |
| CN113686171B true CN113686171B (en) | 2023-09-05 |
Family
ID=78584201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111009215.6A Active CN113686171B (en) | 2021-08-31 | 2021-08-31 | Cooling water circulation system of calcination coke cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113686171B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007121670A1 (en) * | 2006-04-21 | 2007-11-01 | Tsinghua University | An environment protecting and water saving cooling tower |
| CN111486718A (en) * | 2019-12-25 | 2020-08-04 | 北京中标新亚节能工程股份有限公司 | Closed cooling tower and cooling method |
| CN212227794U (en) * | 2019-12-21 | 2020-12-25 | 上虞颖泰精细化工有限公司 | Pesticide chemical production fountain cooler |
| CN212512603U (en) * | 2020-06-02 | 2021-02-09 | 杭州东嘉宏实业有限公司 | Exhaust gas waste heat recycling device based on steamer |
| CN212618913U (en) * | 2019-12-25 | 2021-02-26 | 北京中标新亚节能工程股份有限公司 | Composite cooling tower and air conditioning system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9599355B2 (en) * | 2014-03-11 | 2017-03-21 | Her Jiu Technology Co., Ltd. | Dry air-water heat exchanger |
-
2021
- 2021-08-31 CN CN202111009215.6A patent/CN113686171B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007121670A1 (en) * | 2006-04-21 | 2007-11-01 | Tsinghua University | An environment protecting and water saving cooling tower |
| CN212227794U (en) * | 2019-12-21 | 2020-12-25 | 上虞颖泰精细化工有限公司 | Pesticide chemical production fountain cooler |
| CN111486718A (en) * | 2019-12-25 | 2020-08-04 | 北京中标新亚节能工程股份有限公司 | Closed cooling tower and cooling method |
| CN212618913U (en) * | 2019-12-25 | 2021-02-26 | 北京中标新亚节能工程股份有限公司 | Composite cooling tower and air conditioning system |
| CN212512603U (en) * | 2020-06-02 | 2021-02-09 | 杭州东嘉宏实业有限公司 | Exhaust gas waste heat recycling device based on steamer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113686171A (en) | 2021-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103938483B (en) | A kind of paper humidifying equipment on paper machine | |
| CN109911966A (en) | A kind of Waste Heat Reuse desalination plant based on vortex tube effect | |
| RU2569472C2 (en) | Steam generator with automatic water supply due to steam pressure use | |
| CN113686171B (en) | Cooling water circulation system of calcination coke cooler | |
| CN201059885Y (en) | Improved steam heat exchanger | |
| CN210424991U (en) | Energy-saving full-mechanical automatic adjusting discharger | |
| CN201093884Y (en) | Cross current type jet condenser capable of regulating and controlling | |
| CN215855992U (en) | High-efficiency energy-saving distillation device | |
| CN201322294Y (en) | Exhaust energy retracting device | |
| CN109439876A (en) | A kind of mating equipment water jetting cooler for plate tempering product line equipment | |
| CN215232208U (en) | Energy-saving efficient methanol recovery rectifying tower | |
| CN213714021U (en) | Exhaust steam recovery device and furnace water recovery system using same | |
| CN211575535U (en) | Emptying port condensing device of electric heating heat conduction oil furnace | |
| CN109297010B (en) | Power equipment condensate water recovery system with water vapor compressor | |
| CN208998343U (en) | A kind of Separated self-control adjusting boiler smoke condenser | |
| CN208458534U (en) | A kind of power plant's humidification type double-curve cooling column | |
| CN218011964U (en) | Piston smelting furnace tail gas treatment system | |
| CN219141601U (en) | Exhaust steam recycling system | |
| CN218501305U (en) | Energy-saving rectifying tower capable of utilizing waste heat | |
| CN211450877U (en) | Hydrophobic flash tank | |
| CN209655265U (en) | A kind of high-efficiency boiler separator | |
| CN219083822U (en) | Heat energy recovery device and aerated concrete production line | |
| CN209181556U (en) | A kind of heat exchange tower for exhaust gas | |
| CN211836990U (en) | Biomass boiler flue gas purification equipment | |
| CN211488171U (en) | Cyclone dust collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |