CN204286129U - Heat pipe-type coke-stove gas heater - Google Patents
Heat pipe-type coke-stove gas heater Download PDFInfo
- Publication number
- CN204286129U CN204286129U CN201420700927.1U CN201420700927U CN204286129U CN 204286129 U CN204286129 U CN 204286129U CN 201420700927 U CN201420700927 U CN 201420700927U CN 204286129 U CN204286129 U CN 204286129U
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- heat pipe
- coke
- waste gas
- stove gas
- stove
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to the hot tube heat exchanger of waste heat recovery reutilization technology field application, especially heat pipe-type coke-stove gas heater.This device comprises coke-stove gas pressure vessel, hot waste gas cylinder, heat pipe, sealing device and automatic ash removing device.The utility model improves the calorific value of coke-stove gas, decrease waste gas energy waste, improve the added value that coke-stove gas utilizes, and described device good sealing effect, easy accessibility, long service life, heat exchange efficiency is high, decrease the discharge of pollutant, ensure that production work is carried out safe and orderlyly.
Description
Technical field
The utility model relates to the hot tube heat exchanger of waste heat recovery reutilization technology field application, especially heat pipe-type coke-stove gas heater.
Background technology
In pharmaceutical industry, pharmaceutical glass kiln produces a large amount of industrial waste gases in process of production, and containing a large amount of fluorides and boride in industrial waste gas, the industrial waste gas temperature of discharge is generally 240
0c ~ 350
0c, these high-temp waste gas are not used and directly discharge, and just have a large amount of thermal loss, and can cause atmosphere pollution, are not suitable with the requirement of society energy-conserving and environment-protective.
Coke-stove gas refers to coal for coking, and in coke oven after high-temperature retorting, the fuel gas obtained while output coke and tar product is the byproduct of coking product.The calorific value of coke-stove gas is high, and burning is fast, and the waste gas proportion of generation is little, and its composition mainly comprises methane, hydrogen and carbon monoxide, as fuel and industrial chemicals.Coke-stove gas belongs to middle calorific value of gas, and its low heating value is 17 ~ 19 MJ/m
3.
In the energy-intensive epoch, in order to economize energy, increase the benefit, recycling can be collected to fume afterheat, can be used for generating, heating and other side.The existing heat pipe-type preheater generally used is divided into two chambeies by sagging plate, cold and hot fluid reverse flow in different chambeies completes heat exchanging process, heat exchanger tube is provided with in cavity, one end of heat exchanger tube is arranged in condensation chamber, the other end is arranged in evaporation cavity, rely on central dividing plate evaporation cavity and condensation chamber to be separated, heat pipe through central dividing plate, and is being provided with the sealing device with heat pipe contact with central dividing plate contact site.
At present, utilize pharmaceutical glass kiln produce in process of production a large amount of industrial waste gases by heat pipe-type preheater heating coke-stove gas application commercially rare, and existing heat pipe-type preheater at least there are the following problems:
1, heat exchanger tube and cavity seal dismantle and change inconvenient, poorly sealed close, when heat exchanger tube is together with cavity welding, although the fluid in hot and cold two chambeies can ensure zero leakage, if but heat exchanger tube lost efficacy, light then reduce heat exchange efficiency, seriously cause whole equipment scrapping, bring heavy losses to production safety; If hot and cold cavity is poorly sealed, equipment is run and there is unsafe factor, in production process, cause the perils such as blast, Leakage Gas to occur.
2, heat exchanger tube heat transfer efficiency is low, the heat exchange efficiency of heat exchanger tube and the shape of heat exchanger tube, material and heat-transfer working medium closely related, to there is heat transfer efficiency in heat exchanger tube general on market low in concrete use occasion, and inside and outside heat-transfer pipe pipe, corrosion is serious, the feature that the heat exchanger tube life-span is shorter.
Utility model content
Technical problem to be solved in the utility model is to provide heat pipe-type coke-stove gas heater, and this device utilizes pharmaceutical glass kiln to produce 240
0c ~ 350
0the industrial waste gas waste heat of C is by 15
0c ~ 20
0c is cold, and coke-stove gas is heated to 100
0c-200
0more than C, improves the calorific value of coke-stove gas, reduces waste gas energy waste, improves the added value that coke-stove gas utilizes, and the good sealing effect of described heater assembly, easy accessibility, long service life, heat exchange efficiency is high, the discharge of decreasing pollution thing, ensures that production work is carried out safe and orderlyly.
In order to solve the problems of the technologies described above, the technical solution of the utility model is achieved in that
Heat pipe-type coke-stove gas heater, this device comprises coke-stove gas pressure vessel, hot waste gas cylinder, heat pipe, sealing device and automatic ash removing device, wherein, the two ends, left and right of described coke-stove gas pressure vessel are respectively equipped with heating gas outlet, cooled coal gas entrance, and the two ends, left and right of hot waste gas cylinder are respectively equipped with hot waste gas entrance, cold waste gas outlet;
Described heat pipe upper end enters in coke-stove gas pressure vessel through the bottom of coke-stove gas pressure vessel, and the lower end of heat pipe enters in waste gas cylinder through the top of hot waste gas cylinder;
Sealing device is provided with the top contact place of coke-stove gas pressure vessel bottom, hot waste gas cylinder in the middle part of described heat pipe;
Described automatic ash removing device is arranged on hot waste gas barrel for cleaning the dust be placed in hot waste gas cylinder on heat pipe.
Further, described also comprises air gauge and flowmeter, in the cooled coal gas porch of coke-stove gas pressure vessel, gas flow meter is installed, for regulating the flow of cooled coal gas, waste gas streams gauge is provided with at the hot waste gas arrival end of hot waste gas cylinder, for regulating the flow of waste gas, the flow adjustment range of cooled coal gas is 1000 ~ 5000m
3/ h, the flow adjustment range of waste gas is 20000 ~ 100000m
3/ h, coke-stove gas pressure vessel is equiped with air gauge, and because coke-stove gas belongs to exploded gas, the pressure in coke-stove gas pressure vessel is generally negative pressure, avoids dangerous situation to occur;
Further, described also comprises automatic control equipment, this automation control appliance can control the Flow-rate adjustment of coal gas, the Flow-rate adjustment of waste gas automatically, rely on temperature sensor, flow sensor and autocontrol valve, realize the intensification control of coke-stove gas and the maximization of waste gas heat utilization;
Further, described heat pipe is the ring pipe with external thread structure or the cylindrical tube with external thread structure, the quantity of heat pipe be 1 and more than, each heat pipe each other vertically parallel interval be placed on the inside of coke-stove gas pressure vessel and hot waste gas cylinder;
Further, described heat pipe has the vacuum tube of heat-transfer working medium in being, it can be light pipe, but preferably which is provided with helical fin, the fin of expansion heat transfer area;
Further, the described stainless steel that heat pipe material selection thermal conductivity factor is high, the coefficient of expansion is high.
Further, described sealing device comprises axle sleeve and sealing ring, screw thread is provided with in described axle sleeve, axle sleeve is set in the middle part of heat pipe, axle sleeve and heat pipe form screw thread and are flexibly connected, and top and the bottom of axle sleeve are provided with sealing ring, and the shape of sealing ring is the cylindrical of hollow, the internal diameter of sealing ring one end matches with the external diameter of axle sleeve, and the internal diameter of the sealing ring other end is consistent with the external diameter of heat pipe;
Further, described automatic ash removing device comprises cleaning pipe, executing agency, motor, controller, airduct, air compressor; Described cleaning pipe is provided with pore, and the size of pore and quantity are arranged according to the length of cleaning pipe and diameter; Cleaning pipe one end level stretches in hot waste gas cylinder, it is positioned over the correct position between two heat pipes, the compressed air of 0.3 ~ 0.4MPa that the cleaning pipe other end access of stretching out hot waste gas cylinder carries air compressor to produce by airduct, the end of stretching out the cleaning pipe other end of hot waste gas cylinder is connected on motor by executing agency, motor drives cleaning pipe horizontal direction to stretch into, stretch out motion, compressed air is blown equably and is being bonded at the dust on heat pipe, described motor and the operation of air compressor are controlled by controller.
The utility model beneficial effect compared to existing technology:
The utility model improves the calorific value of coke-stove gas, decrease waste gas energy waste, improve the added value that coke-stove gas utilizes, and described device good sealing effect, easy accessibility, long service life, heat exchange efficiency is high, decrease the discharge of pollutant, ensure that production work is carried out safe and orderlyly.Specifically:
1, hermetically-sealed construction sealing property of the present utility model is very good, does not leak, and makes the two media of heat transfer be mutually divided into two autonomous channels completely, is applicable to sealing property and requires tighter operating mode, can ensure the safe operation of equipment.
2, the utility model can replace tubes separately, and simple to operate, long service life.
3, the automatic ash removing device that the utility model adopts can be cleared up and heat pipe is stained with ash, decreases the corrosion of opposite heat tube, ensure that the heat transfer stability of heat pipe.
4, the utility model structure is simple, intensity is high, good stability, difficulty of processing are little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model heat pipe.
Fig. 3 is the structural representation of the utility model automatic ash removing device.
Fig. 4 is the structural representation of the utility model sealing ring.
In figure: 1-coke-stove gas pressure vessel; 2-hot waste gas cylinder; 3-cooled coal gas entrance; 4-heating gas exports; The cold waste gas outlet of 5-; 6-hot waste gas entrance; 7-air gauge; 8-flowmeter; 9-heat pipe; 10-axle sleeve; 11-sealing ring; 12-automatic ash removing device; 13-cleans pipe; 14-pore; 15-controller; 16-motor; 17-air compressor; 18-airduct; 19-executing agency.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, heat pipe-type coke-stove gas heater, this device comprises coke-stove gas pressure vessel 1, hot waste gas cylinder 2, heat pipe 9, sealing device 11 and automatic ash removing device 12, wherein, the two ends, left and right of described coke-stove gas pressure vessel 1 are respectively equipped with heating gas outlet 4, cooled coal gas entrance 3, and the two ends, left and right of hot waste gas cylinder 2 are respectively equipped with hot waste gas entrance 6, cold waste gas outlet 5;
Described heat pipe 9 upper end enters in coke-stove gas pressure vessel 1 through the bottom of coke-stove gas pressure vessel 1, and the lower end of heat pipe 9 enters in waste gas cylinder 2 through the top of hot waste gas cylinder 2;
In the middle part of described heat pipe 9 with coke-stove gas pressure vessel 1 bottom, the top contact place of hot waste gas cylinder 2 is provided with sealing device;
Described automatic ash removing device 12 is arranged on hot waste gas cylinder 2 wall for cleaning the dust be placed in hot waste gas cylinder 2 on heat pipe 9.
On the basis of technical scheme described in the above embodiments, preferably, described also comprises air gauge 7 and flowmeter 8, at cooled coal gas entrance 3 place of coke-stove gas pressure vessel 1, gas flow meter is installed, for regulating the flow of cooled coal gas, be provided with waste gas streams gauge at the hot waste gas arrival end of hot waste gas cylinder 2, for regulating the flow of waste gas, the flow adjustment range of cooled coal gas is 1000 ~ 3000m
3/ h, the flow adjustment range of waste gas is 2000 ~ 4000m
3/ h, coke-stove gas pressure vessel 1 is equiped with air gauge 7, and because coke-stove gas belongs to exploded gas, the pressure in coke-stove gas pressure vessel 1 is generally negative pressure, avoids dangerous situation to occur;
Preferably, described also comprises automatic control equipment, this automation control appliance can control the Flow-rate adjustment of coal gas, the Flow-rate adjustment of waste gas automatically, rely on temperature sensor, flow sensor and autocontrol valve, realize the intensification control of coke-stove gas and the maximization of waste gas heat utilization;
As shown in Figure 2, preferably, described heat pipe 9 is the ring pipe with external thread structure or the cylindrical tube with external thread structure, the quantity of heat pipe 9 be 1 and more than, each heat pipe 9 each other vertically parallel interval be placed on the inside of coke-stove gas pressure vessel 1 and hot waste gas cylinder 2;
Preferably, described heat pipe 9 has the vacuum tube of heat-transfer working medium in being, it can be light pipe, but preferably which is provided with helical fin, the fin of expansion heat transfer area;
Preferably, the described stainless steel that heat pipe 9 material selection thermal conductivity factor is high, the coefficient of expansion is high;
As shown in Figure 4, described sealing device comprises axle sleeve 10 and sealing ring 11, screw thread is provided with in described axle sleeve 10, axle sleeve 10 is set in the middle part of heat pipe 9, axle sleeve 10 forms screw thread with heat pipe 9 and is flexibly connected, and the top of axle sleeve 10 and bottom are provided with sealing ring 11, and the shape of sealing ring 11 is the cylindrical of hollow, the internal diameter of sealing ring 11 one end matches with the external diameter of axle sleeve 10, and the internal diameter of sealing ring 11 other end is consistent with the external diameter of heat pipe 9;
As shown in Figure 3, preferably, described automatic ash removing device 12 comprises cleaning pipe 13, executing agency 19, motor 16, controller 15, airduct 18, air compressor 17, described cleaning pipe 13 is provided with pore 14, and the size of pore 14 and quantity are arranged according to the length of cleaning pipe 13 and diameter, cleaning pipe 13 one end level stretches in hot waste gas cylinder 2, it is positioned over the correct position between two heat pipes 9, cleaning pipe 13 other end stretching out hot waste gas cylinder 2 accesses the compressed air of the 0.3 ~ 0.4MPa carrying air compressor 17 to produce by airduct 18, the end of stretching out cleaning pipe 13 other end of hot waste gas cylinder 2 is connected on motor 16 by executing agency 19, motor 16 drives cleaning pipe 13 horizontal direction to stretch into, stretch out motion, compressed air is blown equably and is being bonded at the dust on heat pipe 9, described motor 16 and the operation of air compressor 17 are controlled by controller 15.
Composition graphs 1, Fig. 2, Fig. 3 describe operation principle of the present utility model and the course of work:
Heat transfer medium is encapsulated in the utility model heat pipe, the high-temperature flue gas that pharmaceutical glass kiln is discharged is passed in hot waste gas cylinder, the coke-stove gas of low temperature is passed in coke-stove gas pressure vessel, high-temperature flue gas and the cold coke-stove gas relative direction of heat flow, during work, heat transfer medium absorb heat in hot waste gas cylinder evaporation rising enter heat pipe top, then in coke-stove gas pressure vessel heat release condensing reflux to heat pipe bottom, rely on heat transfer medium, heat pipe, high-temperature flue gas, convection heat transfer' heat-transfer by convection between coke-stove gas and conduction heat transfer, high-temperature flue gas waste heat by heat pipe and heat transfer to coalitenessity producer gas, coke-stove gas is heated up, improve the calorific value of coke-stove gas, the object of the fume afterheat that reaches a high temperature recycling.
In sum, these are only preferred embodiment of the present utility model, be not intended to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a heat pipe-type coke-stove gas heater, it is characterized in that: this device comprises coke-stove gas pressure vessel (1), hot waste gas cylinder (2), heat pipe (9), sealing device (11) and automatic ash removing device (12), wherein, the two ends, left and right of described coke-stove gas pressure vessel (1) are respectively equipped with heating gas outlet (4), cooled coal gas entrance (3), and the two ends, left and right of hot waste gas cylinder (2) are respectively equipped with hot waste gas entrance (6), cold waste gas outlet (5);
Described heat pipe (9) upper end enters in coke-stove gas pressure vessel (1) through the bottom of coke-stove gas pressure vessel (1), and the lower end of heat pipe (9) enters in waste gas cylinder (2) through the top of hot waste gas cylinder (2);
Described heat pipe (9) middle part is provided with sealing device with the top contact place of coke-stove gas pressure vessel (1) bottom, hot waste gas cylinder (2);
Described automatic ash removing device (12) is arranged on hot waste gas cylinder (2) wall for cleaning the dust be placed on hot waste gas cylinder (2) interior heat pipe (9).
2. heat pipe-type coke-stove gas heater according to claim 1, it is characterized in that: described also comprises air gauge (7) and flowmeter (8), at cooled coal gas entrance (3) place of coke-stove gas pressure vessel (1), gas flow meter is installed, be provided with waste gas streams gauge at the hot waste gas arrival end of hot waste gas cylinder (2), the flow adjustment range of cooled coal gas is 1000 ~ 5000m
3/ h, the flow adjustment range of waste gas is 20000 ~ 100000m
3/ h; Coke-stove gas pressure vessel (1) is equiped with air gauge (7), the pressure in coke-stove gas pressure vessel (1) is generally negative pressure.
3. heat pipe-type coke-stove gas heater according to claim 1, it is characterized in that: described also comprises automatic control equipment, dependence temperature sensor, flow sensor and autocontrol valve, the flow and the temperature that automatically control coal gas regulate, the Flow-rate adjustment of waste gas.
4. heat pipe-type coke-stove gas heater according to claim 1, it is characterized in that: described heat pipe (9) is the ring pipe with external thread structure or the cylindrical tube with external thread structure, the quantity of heat pipe (9) be 1 and more than, each heat pipe (9) each other vertically parallel interval be placed on the inside of coke-stove gas pressure vessel (1) and hot waste gas cylinder (2).
5. heat pipe-type coke-stove gas heater according to claim 1, is characterized in that: described heat pipe (9) has the vacuum tube of heat-transfer working medium in being, it can be light pipe, but preferably which is provided with helical fin, the fin of expansion heat transfer area.
6. heat pipe-type coke-stove gas heater according to claim 1, is characterized in that: the described stainless steel that heat pipe (9) material selection thermal conductivity factor is high, the coefficient of expansion is high.
7. heat pipe-type coke-stove gas heater according to claim 1, it is characterized in that: described sealing device comprises axle sleeve (10) and sealing ring (11), screw thread is provided with in described axle sleeve (10), axle sleeve (10) is set in heat pipe (9) middle part, axle sleeve (10) forms screw thread with heat pipe (9) and is flexibly connected, the top of axle sleeve (10) and bottom are provided with sealing ring (11), the shape of sealing ring (11) is the cylindrical of hollow, the internal diameter of sealing ring (11) one end matches with the external diameter of axle sleeve (10), the internal diameter of sealing ring (11) other end is consistent with the external diameter of heat pipe (9).
8. heat pipe-type coke-stove gas heater according to claim 1, is characterized in that: described automatic ash removing device (12) comprises cleaning pipe (13), executing agency (19), motor (16), controller (15), airduct (18), air compressor (17), described cleaning pipe (13) is provided with pore (14), and the size of pore (14) and quantity are arranged according to the length of cleaning pipe (13) and diameter, cleaning pipe (13) one end level stretches in hot waste gas cylinder (2), it is positioned over the correct position between two heat pipes (9), the compressed air of 0.3 ~ 0.4MPa that cleaning pipe (13) other end access of stretching out hot waste gas cylinder (2) carries air compressor (17) to produce by airduct (18), the end of stretching out cleaning pipe (13) other end of hot waste gas cylinder (2) is connected on motor (16) by executing agency (19), motor (16) drives cleaning pipe (13) horizontal direction to stretch into, stretch out motion, described motor (16) and the operation of air compressor (17) are controlled by controller (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700927.1U CN204286129U (en) | 2014-11-21 | 2014-11-21 | Heat pipe-type coke-stove gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700927.1U CN204286129U (en) | 2014-11-21 | 2014-11-21 | Heat pipe-type coke-stove gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204286129U true CN204286129U (en) | 2015-04-22 |
Family
ID=52869280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420700927.1U Expired - Fee Related CN204286129U (en) | 2014-11-21 | 2014-11-21 | Heat pipe-type coke-stove gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204286129U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800964A (en) * | 2018-08-01 | 2018-11-13 | 魏书明 | A kind of charcoal element can-type calcine furnace smoke temperature reducer |
| CN109539815A (en) * | 2018-12-27 | 2019-03-29 | 南昌工程学院 | A kind of high-temperature hot-air device that the waste gas circulation suitable for brickkiln heats |
-
2014
- 2014-11-21 CN CN201420700927.1U patent/CN204286129U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800964A (en) * | 2018-08-01 | 2018-11-13 | 魏书明 | A kind of charcoal element can-type calcine furnace smoke temperature reducer |
| CN109539815A (en) * | 2018-12-27 | 2019-03-29 | 南昌工程学院 | A kind of high-temperature hot-air device that the waste gas circulation suitable for brickkiln heats |
| CN109539815B (en) * | 2018-12-27 | 2024-02-27 | 南昌工程学院 | High-temperature hot air device suitable for waste gas circulation heating of brickkiln |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20151121 |
|
| EXPY | Termination of patent right or utility model |