CN205878604U - Split type thermal medium heater - Google Patents

Split type thermal medium heater Download PDF

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Publication number
CN205878604U
CN205878604U CN201620799948.2U CN201620799948U CN205878604U CN 205878604 U CN205878604 U CN 205878604U CN 201620799948 U CN201620799948 U CN 201620799948U CN 205878604 U CN205878604 U CN 205878604U
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China
Prior art keywords
import
flue
thermal medium
outlet
heater
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CN201620799948.2U
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Chinese (zh)
Inventor
李光
唐翌群
孙小明
张庆金
冯健
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CHANGZHOU ENERGY ENGINEERING Co Ltd
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CHANGZHOU ENERGY ENGINEERING Co Ltd
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Priority to CN201620799948.2U priority Critical patent/CN205878604U/en
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Abstract

The utility model discloses a split type thermal medium heater, it includes the body, the body has: the furnace body, be provided with furnace in the furnace body, install the radiant section coil pipe in the furnace, the flue, the import of flue is linked together with the exhanst gas outlet at furnace top, be provided with the convection zone heat exchange tube in the flue, import collection case, import collection case is linked together with the bottom import of convection zone heat exchange tube, middle collection case, the import of middle collection case is linked together with the top export of convection zone heat exchange tube, the export of middle collection case is linked together with the bottom import of radiant section coil pipe. The utility model discloses can the components of a whole that can function independently transport, the transportation is convenient, and building site on -site Assembly is convenient, being favorable to realizing maximization manufacturing.

Description

Split hot thermal medium heater
Technical field
This utility model relates to a kind of Split hot thermal medium heater, belongs to Industrial Boiler Technology field.
Background technology
At present, heat medium heater has high temperature, low pressure, energy-conservation, efficient feature, in the kinds of processes mistake of industrial circle Journey is widely used, has a large capacity and a wide range.Along with the raising of national requirements for environmental protection, heat carrier gas heating furnace is in heating furnace industry Proportion is constantly increasing.
Fuel-firing gas-firing heat medium heater is through development for many years, the most highly developed, and the thermal efficiency is the highest, but all the time Using multi-turn coil pipe core structure, large-scale heat medium heater barrel dliameter is big, and transport is transfinited.10000000 kilocalories/hour ordinary hot Thermal medium heater (specified heat supply temperature≤330 DEG C) barrel dliameter reaches 4m, reaches transportation limitation;Superelevation warm type (specified heat supply temperature >= 390 DEG C) barrel dliameter > 4.2m, transport transfinites, and freight is high, the time is long.The heat medium heater that capacity is bigger is transporting, is entering , install difficulties, transport, installation cost sharply increase;High temperature modification heat medium heater difficulty is more.
International minority advanced enterprises has had the operation case of superhigh temperature heat supply Split hot thermal medium heater, steel consumption Low, convenient transportation, installation are simple.In recent years, domestic large high-temperature heat medium heater demand sharply increases, domestic at this neck There is technological gap in territory.
Summary of the invention
Technical problem to be solved in the utility model is the defect overcoming prior art, it is provided that a kind of Split hot carrier Heating furnace, it can transport with split, convenient transportation, and building-site is easy to assembly, being advantageously implemented maximization and manufacturing.
In order to solve above-mentioned technical problem, the technical solution of the utility model is: a kind of Split hot thermal medium heater, it Including body, described body has:
Body of heater, is provided with burner hearth, is provided with radiant coils in described burner hearth in described body of heater;
Flue, the import of described flue is connected with the exhanst gas outlet of roof of the furnace, is provided with convection section in described flue Heat exchanger tube;
Import header, described import header is connected with the bottom inlet of convection section heat exchanger tube;
Intermediate header, the import of described intermediate header is connected with the top exit of convection section heat exchanger tube, described middle collection The outlet of case is connected with the bottom inlet of radiant coils.
Further, the top of described burner hearth is provided with roof tube, and the top of described body of heater is provided with outlet header, described top The import of canopy pipe is connected with the outlet of described radiant coils, and the outlet of described roof tube is connected with described outlet header.
Further, the import position of described flue is provided with expansion joint.
Further, described body also has burner, and the Combustion outlet of described burner is connected with the bottom of described burner hearth Logical.
Further, in described flue, it is additionally provided with air preheater, the heated air outlet of described air preheater and institute The combustion air inlet stating burner is connected.
Further, described body also has chimney, and the outlet of described flue is connected with the import of described chimney.
Further, described radiant coils is individual pen coil pipe.
Further for reducing exhaust gas temperature, improving furnace thermal efficiency, described convection section heat exchanger tube is serpentine configuration, and Convection section heat exchanger tube uses helical fin heat exchange tube.
Further, described body of heater and/or flue include heat-resistant housing, heat-insulation layer and shell the most successively.
Further, described heat-resistant housing is made of heat-resistant steel, and/or described heat-insulation layer is made up of alumina silicate fiber felt, and/ Or described shell is made up of color steel.
After have employed technique scheme, this utility model has the advantages that
1, this utility model achieves radiant section and the split type layout of convection section of heat medium heater, and existing fuel oil fires Gas heat medium heater is multi-turn coil pipe core structure, and Large-scale Heater barrel dliameter is big, transport is transfinited.This utility model is good Solving this problem, radiant section uses individual pen coil pipe, convection section square structure, and split is transported, and joint connection in site is simple, it is achieved that The maximization of fuel-firing gas-firing heat medium heater, the particularly maximization of high temperature modification heating furnace.
2, reduce exhaust gas temperature, improve furnace thermal efficiency.Convection section heat exchanger tube of the present utility model uses spiral wing Sheet tubular construction, arranges more heating surface area in less space, and exhaust gas temperature is lower, and the thermal efficiency of body of heater is higher.
3, this utility model reduces body of heater steel consumption, and convection section of the present utility model uses Influences of Structure of Spiral Finned Tube, replaces Original smooth heat exchange tube, heating surface area increases, and steel consumption but reduces, the heating furnace exerted oneself on an equal basis, this utility model body Steel consumption is only about the 80% of core structure, and wherein convection section heat exchanger tube is only about 30%.
Accompanying drawing explanation
Fig. 1 is the structural representation of Split hot thermal medium heater of the present utility model.
Detailed description of the invention
In order to make content of the present utility model be easier to be clearly understood, below according to specific embodiment and combine attached Figure, is described in further detail this utility model.
As it is shown in figure 1, a kind of Split hot thermal medium heater, it includes that body, described body have:
Body of heater 5, is provided with burner hearth, is provided with radiant coils 4 in described burner hearth in described body of heater 5;
Flue, the import of described flue is connected with the exhanst gas outlet of roof of the furnace, is provided with convection section in described flue Heat exchanger tube 11;
Import header 12, described import header 12 is connected with the bottom inlet of convection section heat exchanger tube 11;
Intermediate header 3, the import of described intermediate header 3 is connected with the top exit of convection section heat exchanger tube 11, described in Between the outlet of header 3 be connected with the bottom inlet of radiant coils 4.
Wherein, the top of flue is high-temperature flue 10, and the bottom of flue is low temperature flue 15;The bottom of body of heater uses steelframe 2 support.
As it is shown in figure 1, the top of described burner hearth is provided with roof tube 6, the top of described body of heater is provided with outlet header 8, The import of described roof tube 6 is connected with the outlet of described radiant coils 4, the outlet of described roof tube 6 and described outlet collection Case 8 is connected;Wherein, the outlet of roof tube 6 uses sealing lid 7 to be connected sealing with the junction of outlet header 8.
As it is shown in figure 1, be provided with expansion joint 9 on the import position of described flue.
As it is shown in figure 1, described body also has burner 1, the Combustion outlet of described burner 1 and the bottom of described burner hearth It is connected.
As it is shown in figure 1, be additionally provided with air preheater 13 in described flue, the hot-air that adds of described air preheater 13 goes out Mouth is connected with the combustion air inlet of described burner 1.Air preheater 13 is used for adding hot-air and forms hot blast, and hot blast enters Burner 1 uses as combustion air.Air preheater 13 is provided with bypass line, and regulation enters the air of air preheater 13 Amount, controls air preheater 13 exit gas temperature.
As it is shown in figure 1, described body also has chimney 14, the outlet of described flue is connected with the import of described chimney 14 Logical.
As it is shown in figure 1, described convection section heat exchanger tube 11 is serpentine configuration, and convection section heat exchanger tube 11 uses helical fin Heat exchange tube.Convection section heat exchanger tube 11 two ends use supporting steel plate to support, and use elbow to connect, form coil outside supporting steel plate Section of jurisdiction.
As it is shown in figure 1, described body of heater 5 and/or flue include heat-resistant housing, heat-insulation layer and shell the most successively.
Described heat-resistant housing is made of heat-resistant steel, and/or described heat-insulation layer is made up of alumina silicate fiber felt, and/or described Shell is made up of color steel.
As it is shown in figure 1, radiant coils 4 uses individual pen coil pipe, use heat-resistant housing outside radiant coils 4, be exposed to Case temperature in high-temperature flue gas blocks place's case temperature completely far above coil pipe, and therefore, heat-resistant housing segmentation uses different material The heat resisting steel of matter.Heat-resistant housing is outside uses alumina silicate fiber felt heat-insulation layer, and heat-insulation layer is cladded with color steel shell.
Burner 1 accesses fuel oil or gas firing produces flame and high-temperature flue gas, enters burner hearth, changes with radiant coils 4 Entering convection section heat exchanger tube 11 through high-temperature flue 10 after heat, enter back into air preheater 13 after heat exchange, heating combustion air gives combustion After burner 1, low-temperature flue gas is entered chimney 14 by low temperature flue 15 and enters air, and heat carrier is entered by import header 12, in convection current After section heat exchanger tube 11 and radiant coils 4 heating, outlet header 8 discharge.
Particular embodiments described above, solves the technical problem that this utility model, technical scheme and beneficial effect enter Go further description, it should be understood that and the foregoing is only specific embodiment of the utility model, and need not In limiting this utility model, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement done Deng, within should be included in protection domain of the present utility model.

Claims (10)

1. a Split hot thermal medium heater, it is characterised in that it includes that body, described body have:
Body of heater (5), is provided with burner hearth in described body of heater (5), be provided with radiant coils (4) in described burner hearth;
Flue, the import of described flue is connected with the exhanst gas outlet of roof of the furnace, is provided with convection section heat exchange in described flue Pipe (11);
Import header (12), described import header (12) is connected with the bottom inlet of convection section heat exchanger tube (11);
Intermediate header (3), the import of described intermediate header (3) is connected with the top exit of convection section heat exchanger tube (11), described The outlet of intermediate header (3) is connected with the bottom inlet of radiant coils (4).
Split hot thermal medium heater the most according to claim 1, it is characterised in that: the top of described burner hearth is provided with top Canopy pipe (6), the top of described body of heater is provided with outlet header (8), the import of described roof tube (6) and described radiant coils (4) outlet is connected, and the outlet of described roof tube (6) is connected with described outlet header (8).
Split hot thermal medium heater the most according to claim 1, it is characterised in that: set on the import position of described flue It is equipped with expansion joint (9).
Split hot thermal medium heater the most according to claim 1, it is characterised in that: described body also has burner (1), the Combustion outlet of described burner (1) is connected with the bottom of described burner hearth.
Split hot thermal medium heater the most according to claim 4, it is characterised in that: it is additionally provided with air in described flue Preheater (13), the heated air outlet of described air preheater (13) is connected with the combustion air inlet of described burner (1) Logical.
Split hot thermal medium heater the most according to claim 1, it is characterised in that: described body also has chimney (14), the outlet of described flue is connected with the import of described chimney (14).
Split hot thermal medium heater the most according to claim 1, it is characterised in that: described radiant coils (4) is single Circle coil pipe.
Split hot thermal medium heater the most according to claim 1, it is characterised in that: described convection section heat exchanger tube (11) is Serpentine configuration, and convection section heat exchanger tube (11) employing helical fin heat exchange tube.
Split hot thermal medium heater the most according to claim 1, it is characterised in that: described body of heater (5) and/or flue by In outwards include heat-resistant housing, heat-insulation layer and shell successively.
Split hot thermal medium heater the most according to claim 9, it is characterised in that: described heat-resistant housing is by heat resisting steel Make, and/or described heat-insulation layer is made up of alumina silicate fiber felt, and/or described shell is made up of color steel.
CN201620799948.2U 2016-07-27 2016-07-27 Split type thermal medium heater Active CN205878604U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620799948.2U CN205878604U (en) 2016-07-27 2016-07-27 Split type thermal medium heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620799948.2U CN205878604U (en) 2016-07-27 2016-07-27 Split type thermal medium heater

Publications (1)

Publication Number Publication Date
CN205878604U true CN205878604U (en) 2017-01-11

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Application Number Title Priority Date Filing Date
CN201620799948.2U Active CN205878604U (en) 2016-07-27 2016-07-27 Split type thermal medium heater

Country Status (1)

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CN (1) CN205878604U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107270537A (en) * 2017-05-12 2017-10-20 常州恒大锅炉制造有限公司 A kind of split fused salt furnace apparatus and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107270537A (en) * 2017-05-12 2017-10-20 常州恒大锅炉制造有限公司 A kind of split fused salt furnace apparatus and preparation method thereof

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