CN203116536U - Plug-type preheating device - Google Patents
Plug-type preheating device Download PDFInfo
- Publication number
- CN203116536U CN203116536U CN201220689921XU CN201220689921U CN203116536U CN 203116536 U CN203116536 U CN 203116536U CN 201220689921X U CN201220689921X U CN 201220689921XU CN 201220689921 U CN201220689921 U CN 201220689921U CN 203116536 U CN203116536 U CN 203116536U
- Authority
- CN
- China
- Prior art keywords
- channel
- gas
- plug
- heat exchanger
- preheating device
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Air Supply (AREA)
Abstract
The utility model relates to the field of industrial kilns with through channels and particularly relates to a plug-type preheating device. The plug-type preheating device comprises heat exchange tubes and is characterized in that the heat exchange tubes are vertically arranged on the side wall inside a kiln body channel, the gas inlet end of each heat exchange tube is connected with an inlet gas collecting bag after passing through refractory brickwork on the side wall of the channel, and the gas outlet end of each heat exchange tube is connected with an outlet gas collecting bag after passing through castable on the top of the channel. Each heat exchange tube is provided with silicon carbide tube bricks on the outer side of an interval inside the channel. A refractory fiber felt is arranged between each heat exchange tube and the castable in the channel. A differential pressure transmitter is arranged between each inlet gas collecting bag and each outlet gas collecting bag. Compared with the prior art, the plug-type preheating device has the beneficial effects that a preheating structure is simple and compact and occupies little space by effectively utilizing a channel structure of the kiln; high-temperature radiation and heat convection of high-temperature flue gas in the channel are effectively utilized, and the purpose of preheating coal gas or air is achieved; and the flow rate can be adjusted according to temperature in real time.
Description
Technical field
The utility model relates to the Industrial Stoves field that has straight channel, particularly relates to a kind of plug-in type preheating device.
Background technology
At present, for reducing hear rate, improving the kiln bore temperature, domestic most of kiln all adopts preheating device that coal gas or combustion air are carried out preheating.Wherein most preheating devices adopt metal tube shell-type heat exchanger, and utilize kiln discharge waste gas as thermal medium.But for some kiln, as soaking pit, two thorax kilns etc., its passage EGT is very high, is difficult to use traditional metallic recuperator.
Summary of the invention
The purpose of this utility model is to provide a kind of plug-in type preheating device, overcome the deficiencies in the prior art, utilize the design feature of kiln body itself, heat exchange structure and kiln structure are combined together, reach effective heat exchange and space-saving dual purpose, to satisfy class kiln types such as soaking pit, two thorax kilns to the needs of combustion medium preheating.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A kind of plug-in type preheating device, comprise heat exchanger tube, described heat exchanger tube vertically is arranged on the kiln body channel interior sidewall, and the inlet end of heat exchanger tube passes the channel side wall refractory masonry and links to each other with air inlet gas collection bag, and the heat exchanger tube outlet side is passed channel roof and watered material feeding and link to each other with the gas collection bag of giving vent to anger.
Described heat exchanger tube is provided with the carborundum tube brick in the outside of the section of channel interior.
Described heat exchanger tube and passage water and are provided with fire-retardent fiber felt-rug between the material feeding.
Described air inlet gas collection bag and come gas to be provided with air inlet pipe between being responsible for, give vent to anger gas collection bag and come gas to be provided with escape pipe between being responsible for, air inlet pipe is provided with regulates stop valve one, and escape pipe is provided with regulates stop valve two, and the gas person in charge that comes between air inlet pipe and escape pipe is provided with adjusting stop valve three.
Described air inlet gas collection bag and give vent to anger and be provided with differential pressure transmitter between the gas collection bag.
Compared with prior art, the beneficial effects of the utility model are: 1) effectively utilize the kiln channel design, preheating structure is simply compact, and it is little to take up room; 2) utilize hyperthermia radiation and the heat convection of high-temperature flue gas in the passage, reach the purpose of preheating gas or air; 3) can be in real time according to the adjustment gas flow.
Description of drawings
Fig. 1 is the utility model example structure schematic diagram;
Fig. 2 is along A-A line cutaway view among Fig. 1;
Fig. 3 is a place partial enlarged drawing among Fig. 1.
Among the figure: the 1-air inlet gas collection bag 2-gas collection bag 3-heat exchanger tube 4-carborundum tube brick 5-that gives vent to anger regulates stop valve one 6-and comes gas to be responsible for 7-fire-retardent fiber felt-rug 8-to regulate stop valve two 9-temperature measuring equipment 10-differential pressure transmitter 11-kiln body passage 12-air inlet pipe 13-escape pipe 14-and regulate stop valve three
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described further:
See Fig. 1, it is a kind of plug-in type preheating device of the utility model example structure schematic diagram, heat exchanger tube 3 vertically is arranged on kiln body passage 11 internal side wall, the inlet end of heat exchanger tube 3 passes the channel side wall refractory masonry and links to each other with air inlet gas collection bag 1, and heat exchanger tube 3 outlet sides are passed channel roof and watered material feeding and link to each other with the gas collection bag 2 of giving vent to anger.Utilize kiln body passage masonry structure as the heat exchanger external shell, heat exchanger tube is inserted in the passage hyperthermia radiation of gas and heat convection in the absorbing path from the passage outside, be preheated medium always gas be responsible for 6 through air inlet pipe 12, enter air inlet gas collection bag 1, mean allocation arrives in each heat exchanger tube 3 after cushioning in air inlet gas collection bag 1, after preheating, gas is summarized in the gas collection bag 2 of giving vent to anger.Heat exchanger tube 3 and passage water and are provided with fire-retardent fiber felt-rug 7 between the material feeding, to absorb thermal expansion.
Air inlet gas collection bag 1 and come gas to be provided with air inlet pipe 12 between being responsible for 6, give vent to anger gas collection bag 2 and come gas to be provided with escape pipe 13 between being responsible for 6, air inlet pipe 12 is provided with regulates stop valve 1, escape pipe 13 is provided with regulates stop valve 28, and the gas person in charge 6 that comes between air inlet pipe 12 and escape pipe 13 is provided with adjusting stop valve 3 14.Regulate stop valve 1, regulate stop valve 28 and regulate stop valve 3 14 control preheating gas flows.
At escape pipe 13 and come gas to be responsible on 6 temperature measuring equipment 9 all is installed, the gas after the preheating flows into gas to be responsible for 6 by escape pipe, mixes with the gas that has neither part nor lot in preheating, and temperature measuring equipment 9 is monitored the temperature after preheat temperatures and the blending in real time.At air inlet gas collection bag 1 and give vent to anger and be provided with differential pressure transmitter 10 between the gas collection bag 2, detect the operation conditions of preheating device constantly, recognize whether valve opening is suitable.By observation differential pressure transmitter 10, can check whether preheating device leaks gas, in case break down, can close and regulate stop valve 1 and regulate stop valve 28, so that maintenance and maintenance.
Claims (5)
1. plug-in type preheating device, comprise heat exchanger tube, it is characterized in that, described heat exchanger tube vertically is arranged on the kiln body channel interior sidewall, the inlet end of heat exchanger tube passes the channel side wall refractory masonry and links to each other with air inlet gas collection bag, and the heat exchanger tube outlet side is passed channel roof and watered material feeding and link to each other with the gas collection bag of giving vent to anger.
2. a kind of plug-in type preheating device according to claim 1 is characterized in that described heat exchanger tube is provided with the carborundum tube brick in the outside of the section of channel interior.
3. a kind of plug-in type preheating device according to claim 1 and 2 is characterized in that, described heat exchanger tube and passage water and be provided with fire-retardent fiber felt-rug between the material feeding.
4. a kind of plug-in type preheating device according to claim 1, it is characterized in that, described air inlet gas collection bag and come gas to be provided with air inlet pipe between being responsible for, give vent to anger gas collection bag and come gas to be provided with escape pipe between being responsible for, air inlet pipe is provided with regulates stop valve one, escape pipe is provided with regulates stop valve two, and the gas person in charge that comes between air inlet pipe and escape pipe is provided with adjusting stop valve three.
5. a kind of plug-in type preheating device according to claim 1 is characterized in that, described air inlet gas collection bag and give vent to anger and be provided with differential pressure transmitter between the gas collection bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220689921XU CN203116536U (en) | 2012-12-13 | 2012-12-13 | Plug-type preheating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220689921XU CN203116536U (en) | 2012-12-13 | 2012-12-13 | Plug-type preheating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203116536U true CN203116536U (en) | 2013-08-07 |
Family
ID=48896872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220689921XU Expired - Lifetime CN203116536U (en) | 2012-12-13 | 2012-12-13 | Plug-type preheating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203116536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967156A (en) * | 2012-12-13 | 2013-03-13 | 中冶焦耐工程技术有限公司 | Plug-in type preheating device |
-
2012
- 2012-12-13 CN CN201220689921XU patent/CN203116536U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967156A (en) * | 2012-12-13 | 2013-03-13 | 中冶焦耐工程技术有限公司 | Plug-in type preheating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202532702U (en) | Top combustion hot-blast stove capable of achieving double preheating through mix of high-temperature smoke and low-temperature smoke | |
| CN102618681A (en) | Grate-free double-preheating top combustion type hot blast stove | |
| CN101566389A (en) | Horizontal-type high temperature hot-blast furnace | |
| CN102021299B (en) | Device for utilizing residual heat of gas flue in hood-type annealing furnace | |
| CN201836943U (en) | Gas stove hearth capable of recovering heat energy | |
| CN202973984U (en) | Smoke waste heat exchanger used for radiant tube burner | |
| CN203116536U (en) | Plug-type preheating device | |
| CN104501397A (en) | Membrane water-wall compound return water condensing type natural gas hot water boiler | |
| CN204693799U (en) | A kind of vertical liquid fuel gas normal-pressure hot-water boiler | |
| CN204202415U (en) | A kind of Novel galvanizing annealing furnace radiator tubes heat exchanger | |
| CN103486871B (en) | Melting furnace chimney with waste heat recovery structure | |
| CN102967156B (en) | Plug-in type preheating device | |
| CN206847375U (en) | A kind of melting furnace pipeline sorption cycle device | |
| CN104913499A (en) | Vertical type fuel oil and fuel gas normal pressure hot water boiler | |
| CN202792481U (en) | Multi-level layered heat exchange displacement efficient water heater | |
| CN204923850U (en) | Stove is emptyd to air preheating -type crucible | |
| CN104154513A (en) | Waste heat boiler of can-type calcinator | |
| CN202643723U (en) | Grill-free double-preheating top combustion hot-blast stove | |
| CN201615597U (en) | Hot blast furnace | |
| CN203595274U (en) | Three-section heat exchange type air heating furnace | |
| CN108362135B (en) | Cupola waste heat utilization device | |
| CN202792545U (en) | Fuel gas water heater with waste heat recycling device | |
| CN204005899U (en) | The waste heat boiler of can-type calcine furnace | |
| CN204943884U (en) | Circulating energy-saving environment-protection boiler | |
| CN205138288U (en) | Gaseous heat exchange device of ring dynamic formula |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |