CN104515400B - A kind of indirect cooling device reducing the wide cross section calcination equipment temperature difference - Google Patents
A kind of indirect cooling device reducing the wide cross section calcination equipment temperature difference Download PDFInfo
- Publication number
- CN104515400B CN104515400B CN201410777787.2A CN201410777787A CN104515400B CN 104515400 B CN104515400 B CN 104515400B CN 201410777787 A CN201410777787 A CN 201410777787A CN 104515400 B CN104515400 B CN 104515400B
- Authority
- CN
- China
- Prior art keywords
- heat
- exchange tube
- tube assembly
- exchange
- temperature difference
- 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
Abstract
The present invention provides a kind of indirect cooling device reducing the wide cross section calcination equipment temperature difference, it includes kiln frame, it is arranged on this kiln frame the roller rod firing product for conveying, it is positioned at this and fires many heat-exchange tubes above product, the exhaust column communicated with this heat-exchange tube air outlet and the blower fan being connected with this exhaust column exhaust outlet, many heat-exchange tubes are grouped into the first heat-exchange tube assembly and the second heat-exchange tube assembly that two mutual parallel interval are arranged, wherein the heat-exchange tube air outlet in the first heat-exchange tube assembly and the second heat-exchange tube assembly communicates with the exhaust column of kiln frame both sides respectively and respective heat-exchange tube air inlet is arranged on conveying roller rod and fires the middle position above product；After using said structure form, cold wind can gradually be heated up during outlet by heat-exchange tube entrance, and time at both walls, temperature is the highest, and assist heat radiation because of kiln side wall herein, two sides temperature in kiln can be balanced, solve the product defects problem because cooling is fast, the temperature difference causes greatly.
Description
Technical field
The present invention relates to ceramic firing heat exchange cooling technology field, refer more particularly to a kind of indirect cooling device reducing the wide cross section calcination equipment temperature difference.
Background technology
Fire product (such as ceramic tile, household china, devitrified glass etc.), after high temperature sintering, to need it is carried out cooling process.If firing product in cooling procedure excessive velocities or non-uniform temperature, being just easy to cracking or deformation defect, causing product rejection.To this end, product needed Slow cooling region (such as about 573 DEG C, the SiO in ceramic product2Drastically change because of volume and easily split), need indirectly to cool down (i.e. cold wind does not directly contact) with product.Traditional approach is arranged in parallel heat-exchange tube in firing above product, adjacent two heat-exchange tube cross inlets (i.e. one heat-exchange tube air intake on the left of kiln frame, another root then air intake on the right side of kiln frame), although the mode of above-mentioned cross inlet can accelerate the heat exchange efficiency firing product heat dissipation capacity with room air to a certain extent, but for cross section in calcination equipment, temperature is uneven, it is the highest more to arrive cross section middle portion temperature, and the widest this trend in cross section is the most obvious.In above-mentioned interlaced arrangement mode, it is all by each heat-exchange tube one end air intake other end air-out due to cold air inside, cause both sides product temperature in cross section drop (both walls is big because of radiating surface soon, faster than intermediate temperature drop), when progressively arriving central area cooling the slowest, this situation easily causes same large-sized sheet material (as large scale polishes floor tile) and there is the temperature difference and cause volume contraction uneven and deform or cracking, and the single miscellaneous goods in both sides (such as small tiles or household china) ftractures because cooling is too fast.Therefore, a kind of uniform type of cooling that can reduce this calcination equipment cross section temperature difference how is found just to be particularly important.
Summary of the invention
It is an object of the invention to overcome the deficiency of prior art and structure, it is provided that a kind of be capable of firing product uniformly, the structure of slowly heat radiation, indirect cooling device that especially strengthen cross section zone line heat sinking function in this equipment, that section temperature difference can be reduced.
For achieving the above object, technical scheme provided by the present invention is: a kind of indirect cooling device reducing the wide cross section calcination equipment temperature difference, including kiln frame, it is arranged on this kiln frame the roller rod firing product for conveying, it is positioned at this and fires many heat-exchange tubes above product, the exhaust column communicated with this heat-exchange tube air outlet and the blower fan being connected with this exhaust column exhaust outlet, many described heat-exchange tubes are grouped into the first heat-exchange tube assembly and the second heat-exchange tube assembly that two mutual parallel interval are arranged, wherein the heat-exchange tube air outlet in this first heat-exchange tube assembly and the second heat-exchange tube assembly communicates with the exhaust column of kiln frame both sides respectively and respective heat-exchange tube air inlet is arranged on described conveying roller rod and fires the middle position above product.
Further, in interlaced arrangement and form a U-shape structure between two adjacent in described first heat-exchange tube assembly and the second heat-exchange tube assembly heat-exchange tubes.
Yet further, also including the link being fixedly installed on described kiln frame, wherein this link is positioned at above described heat-exchange tube and by with each heat-exchange tube air inlet be connected corresponding with lock screw of joint being provided with.
The most yet further, described heat-exchange tube infinitely can be disposed to extend along with the longitudinal length of kiln frame, and the most described exhaust column is segmented into several independent pipeline sections independently controlling this heat-exchange tube air quantity or indefinite extension pipeline section consistent with in this kiln frame holding being infinitely disposed to extend along longitudinal length accordingly.
Compared with prior art, this programme is grouped into, by the many heat-exchange tubes that will be located in above conveying roller rod product, the first heat-exchange tube assembly and the second heat-exchange tube assembly that two mutual parallel interval are arranged, wherein the heat-exchange tube air outlet in this first heat-exchange tube assembly and the second heat-exchange tube assembly communicates with the exhaust column of kiln frame both sides respectively and respective heat-exchange tube air inlet is arranged on conveying roller rod the middle position (i.e. kiln frame cross section central authorities) fired above product.After using this arrangement form, owing to its air inlet of all of heat-exchange tube is all located on conveying roller rod firing the middle position (i.e. kiln frame cross section central authorities) above product, cold wind can gradually be heated up during outlet by heat-exchange tube entrance, time at both walls, temperature is the highest, and assist heat radiation because of kiln side wall herein, two sides temperature in kiln can be balanced, the most this structure more science, rationally, completely eliminate cross section temperature difference, not only heat exchange efficiency is high, cooling the most evenly, solves the product defects problem because cooling is fast, the temperature difference causes greatly.
Accompanying drawing explanation
Fig. 1 is the perspective view of the present invention.
Fig. 2 is the main TV structure schematic diagram of Fig. 1.
Fig. 3 be in Fig. 1 A to partial enlargement structural representation.
In figure: 1-kiln frame, 2-conveying roller rod, 3-fires product, many heat-exchange tubes of 4-, 41-the first heat-exchange tube assembly, 42-the second heat-exchange tube assembly, 5-exhaust column, 51-exhaust column exhaust outlet, 6-link, 61-joint, 62-lock screw, 7-U type structure.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described:
See shown in accompanying drawing 1 to 3, a kind of described in the present embodiment reduces the indirect cooling device of the wide cross section calcination equipment temperature difference, including kiln frame 1, is arranged on this kiln frame 1 and fires the roller rod 2 of product 3 for conveying, be positioned at this and fire many heat-exchange tubes 4 above product 3, the exhaust column 5 communicated with this heat-exchange tube air outlet and the blower fan (not shown) being connected with this exhaust column exhaust outlet 51.Above-mentioned many described heat-exchange tubes 4 are grouped into the first heat-exchange tube assembly 41 and the second heat-exchange tube assembly 42 that two mutual parallel interval are arranged, wherein the heat-exchange tube air outlet in this first heat-exchange tube assembly 41 and the second heat-exchange tube assembly 42 communicates with the exhaust column 5 of kiln frame 1 both sides respectively and respective heat-exchange tube air inlet is arranged on conveying roller rod 2 middle position (i.e. kiln frame cross section central authorities) fired above product 3.
See shown in attached Fig. 1 and 2, further in order to improve heat exchange efficiency and reduce section temperature difference, in interlaced arrangement and form a U-shape structure 7 between every two heat-exchange tubes adjacent in above-mentioned first heat-exchange tube assembly 41 and the second heat-exchange tube assembly 42.
Referring back to shown in accompanying drawing 1 and 3, so that the air inlet of heat-exchange tube can be stably fixed on kiln frame 1, also including a link 6 being fixedly installed on kiln frame 1 in this programme, wherein this link 6 is positioned at above above-mentioned heat-exchange tube 4 and is connected (i.e. being lock onto corresponding for each heat-exchange tube air inlet on corresponding joint 61 by lock screw 62) by the joint 61 being provided with fastening with each heat-exchange tube air inlet of lock screw 62 correspondence.
It is further to note that, heat-exchange tube 4 in this programme infinitely can be disposed to extend along with the longitudinal length of kiln frame 1, corresponding above-mentioned exhaust column 5 be segmented into several independent pipeline sections independently controlling this heat-exchange tube 4 air quantity or accordingly with keep consistent indefinite extension pipeline section in this kiln frame 1 being infinitely disposed to extend along longitudinal length.
In sum, after this programme uses this kind of arrangement form, owing to its air inlet of all of heat-exchange tube is all located at firing above product and in the middle position of equipment cross section, therefore the burned product being in middle position can well be cooled down, simultaneously because above-mentioned heat-exchange tube is divided into the arrangement form that two groups of spaced and parallel layouts and the air outlet exhaust column respectively with kiln frame both sides communicates, therefore so that the heat exchange of whole burned product is more uniform, heat exchange efficiency is the most more efficient.
The examples of implementation of the above are only the preferred embodiments of the invention, not limit the practical range of the present invention with this, therefore the change that all shapes according to the present invention, principle are made, all should contain within the scope of the present invention.
Claims (4)
- null1. the indirect cooling device that can reduce the wide cross section calcination equipment temperature difference，Including kiln frame (1)、It is arranged at upper conveying roller rod (2) for burnt product (3) of this kiln frame (1)、It is positioned at many heat-exchange tubes (4) of this burnt product (3) top、The exhaust column (5) communicated with this heat-exchange tube air outlet and the blower fan being connected with this exhaust column exhaust outlet (51)，It is characterized in that: many described heat-exchange tubes (4) are grouped into the first heat-exchange tube assembly (41) and the second heat-exchange tube assembly (42) that two mutual parallel interval are arranged，Wherein the heat-exchange tube air outlet in this first heat-exchange tube assembly (41) and the second heat-exchange tube assembly (42) communicates with the exhaust column (5) of kiln frame (1) both sides respectively and respective heat-exchange tube air inlet is arranged at the middle position of described conveying roller rod (2) upper burnt product (3) top.
- A kind of indirect cooling device reducing the wide cross section calcination equipment temperature difference the most according to claim 1, it is characterised in that: in interlaced arrangement and form a U-shape structure (7) between two heat-exchange tubes adjacent in described first heat-exchange tube assembly (41) and the second heat-exchange tube assembly (42).
- A kind of indirect cooling device reducing the wide cross section calcination equipment temperature difference the most according to claim 1 and 2, it is characterized in that: also including the link (6) being fixedly installed on described kiln frame (1), wherein this link (6) is positioned at described heat-exchange tube (4) top and by the joint (61) being provided with and corresponding being connected with each heat-exchange tube air inlet of lock screw (62).
- A kind of indirect cooling device reducing the wide cross section calcination equipment temperature difference the most according to claim 1 and 2, it is characterized in that: described heat-exchange tube (4) infinitely can be disposed to extend along with the longitudinal length of kiln frame (1), the most described exhaust column (5) be segmented into several independent pipeline sections independently controlling this heat-exchange tube (4) air quantity or accordingly with keep consistent indefinite extension pipeline section in this kiln frame (1) being infinitely disposed to extend along longitudinal length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410777787.2A CN104515400B (en) | 2014-12-17 | 2014-12-17 | A kind of indirect cooling device reducing the wide cross section calcination equipment temperature difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410777787.2A CN104515400B (en) | 2014-12-17 | 2014-12-17 | A kind of indirect cooling device reducing the wide cross section calcination equipment temperature difference |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104515400A CN104515400A (en) | 2015-04-15 |
| CN104515400B true CN104515400B (en) | 2016-09-14 |
Family
ID=52791073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410777787.2A Active CN104515400B (en) | 2014-12-17 | 2014-12-17 | A kind of indirect cooling device reducing the wide cross section calcination equipment temperature difference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104515400B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906950B (en) * | 2017-12-28 | 2024-01-30 | 洛阳北玻轻晶石技术有限公司 | Slow cooling roller kiln for firing foamed ceramics |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002299011A (en) * | 2001-03-29 | 2002-10-11 | Kyocera Corp | Ceramic heater and wafer-heating device using the same |
| CN2581923Y (en) * | 2002-12-06 | 2003-10-22 | 湖南丰业科技有限责任公司 | Indirect cooling structure for air kiln outlet mouth |
| CN102374788B (en) * | 2011-10-24 | 2013-10-16 | 广东摩德娜科技股份有限公司 | Furnace slow-cooling area structure capable of shrinking cross-sectional temperature difference |
| CN102809284A (en) * | 2012-03-06 | 2012-12-05 | 湖北京华陶瓷科技有限公司 | Energy-saving type low-temperature-difference ultra-wide tunnel calcining kiln |
| CN204388623U (en) * | 2014-12-17 | 2015-06-10 | 广东摩德娜科技股份有限公司 | A kind of indirect cooling device reducing the wide cross section calcination equipment temperature difference |
-
2014
- 2014-12-17 CN CN201410777787.2A patent/CN104515400B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104515400A (en) | 2015-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204020230U (en) | A kind of novel drying oven heated air circulation device | |
| CN203378455U (en) | Biscuit electric oven with partition heating and heat isolating function | |
| CN204438724U (en) | A kind of novel air supply device on energy-saving drying kiln | |
| CN204388623U (en) | A kind of indirect cooling device reducing the wide cross section calcination equipment temperature difference | |
| CN104515400B (en) | A kind of indirect cooling device reducing the wide cross section calcination equipment temperature difference | |
| CN101372390A (en) | Forced heated air circulation convection glass tempering technology | |
| CN106766793A (en) | A kind of integrated circular thermal current air supporting heating plate band units and method | |
| CN103964679A (en) | Tunnel type cellular glass annealing kiln | |
| CN202254787U (en) | Heating device with high temperature heat compensation and tunnel furnace | |
| CN205537101U (en) | Rapid cooling economizer of expanded letter ceramic sanitary ware tunnel cave | |
| CN201909516U (en) | Hot wind dryer suitable for drying various materials | |
| CN204285631U (en) | The quick temperature equalization system of substrate | |
| CN202543046U (en) | Forced convection heating device for low emissivity coated glass | |
| CN203144279U (en) | High/low-pressure energy-saving type tempered glass electric furnace | |
| CN209872774U (en) | Convection type glass heating furnace | |
| CN106219957B (en) | High-temperature air clamping vertical type transmission glass toughening furnace | |
| EP3027991B1 (en) | A radiating heating module for continuous-cycle firing kilns of ceramic products | |
| CN103951175A (en) | Rapid heating method for glass heating furnace | |
| CN105202910A (en) | Roller furnace with high power and low energy consumption | |
| CN205373398U (en) | Air -cooled constructional device of roller kilns roller stick | |
| CN205425630U (en) | Store up base ware drying device | |
| CN203904204U (en) | Tunnel type foam glass annealing kiln | |
| CN202465823U (en) | Slope type stainless steel band furnace for brightness | |
| CN101812573B (en) | Gas-heated multipurpose roller hearth furnace | |
| CN205528410U (en) | Low -emissivity coated glass's compulsory convection heating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |