CN201674926U - Coal-fired hot air roaster - Google Patents
Coal-fired hot air roaster Download PDFInfo
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- CN201674926U CN201674926U CN2010201058346U CN201020105834U CN201674926U CN 201674926 U CN201674926 U CN 201674926U CN 2010201058346 U CN2010201058346 U CN 2010201058346U CN 201020105834 U CN201020105834 U CN 201020105834U CN 201674926 U CN201674926 U CN 201674926U
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Abstract
The utility model discloses a coal-fired hot air roaster. The coal-fired hot air roaster comprises a barrel case, wherein a roasting chamber, a heat exchange chamber, a heating chamber and a hot air circulating channel are formed in the barrel case; a vertical insulating board is arranged in the barrel case; the roasting chamber is formed on one side of the vertical insulating board, while the heat exchange chamber and the heating chamber are formed on the other side of the vertical insulating board; the heating chamber is positioned below the heat exchange chamber; and the top of the heat exchange chamber is provided with an exhaust pipe. The coal-fired hot air roaster is characterized in that: a plurality of vertical heat exchanging pipes are arranged in the heat exchange chamber; the upper pipe orifice of each vertical heat exchanging pipe is fixedly connected to an upper centralization part; the upper centralization part is connected with the exhaust pipe through a longitudinal expansion joint; the lower pipe orifice of each heat exchanging pipe is fixedly connected on a lower centralization part; and the lower centralization part is connected with the heating chamber through a transverse expansion joint. The joint between related components is provided with the transverse expansion joint and the longitudinal expansion joint, so that stress caused by expansion and contraction is eliminated and cracks or gaps are prevented from being formed on each joint.
Description
Technical field
The utility model relates to a kind of hot-air roaster, relates in particular to a kind of coal-burning hot-air roaster.
Background technology
At present, western-style cake or bread generally adopt hot-air roaster to cure, hot-air roaster is generally rectangular-shaped tube case, be provided with baking chamber, heat-exchanging chamber, heating clamber and hot air circulation passage in the tube case, be provided with vertical thermal insulation board in the tube case, a side of vertical thermal insulation board is the baking chamber, and opposite side is heat-exchanging chamber and heating clamber, wherein heating clamber is positioned at the below of heat-exchanging chamber, is provided with smoke exhaust pipe at the heat-exchanging chamber top.Above-mentioned heat-exchanging chamber is provided with heat exchanger, and heat exchanger comprises heat exchanger shell and vertical heat-exchange tube, and current heating clamber produces high-temperature flue gas in the pipe of vertical heat-exchange tube, the outer current hot-air that adds of pipe.Because the interior heat exchanger shell of modes such as the upper and lower mouth of pipe place of above-mentioned vertical heat-exchange tube directly takes to weld and heat-exchanging chamber is connected, immobilize with respect to the heat-exchanging chamber holding position, in long-term use, because the influence of being expanded with heat and contract with cold, slight crack or gap appear in the mouth of pipe place and the connecting portion of heat-exchange tube easily, the flue gas that very easily causes heating clamber and produced enters the hot air circulation passage by above-mentioned slight crack or gap, brings the baking chamber into, and the food that cures is polluted.This shows that prior art needs further improvement and develops.
The utility model content
Provide a kind of coal-burning hot-air roaster for solving above-mentioned defective the utility model of the prior art, hot-air roaster in the prior art is carried out scientific and reasonable improvement, make last, the mouth of pipe in the heat-exchanging chamber can not form slight crack or gap because of frequent expanding with heat and contract with cold.
In order to solve the problems of the technologies described above, the utility model scheme comprises:
A kind of coal-burning hot-air roaster, it comprises a case, be provided with baking chamber, heat-exchanging chamber, heating clamber and hot air circulation passage in the tube case, in the tube case, be provided with vertical thermal insulation board, one side of vertical thermal insulation board is the baking chamber, opposite side is heat-exchanging chamber and heating clamber, and wherein heating clamber is positioned at the below of heat-exchanging chamber, is provided with smoke exhaust pipe at the heat-exchanging chamber top; Be provided with some vertical heat-exchange tubes in the heat-exchanging chamber, the upper orifice place of each vertical heat-exchange tube is fixedly connected on and concentrates in the portion on one, going up the portion of concentrating is connected with smoke exhaust pipe by a longitudinal dilatation joint, the lower nozzle place of each vertical heat-exchange tube is fixedly connected on and concentrates in the portion, and the next part middle part is connected with heating clamber by lateral expansion joint.
Above-mentioned concentrated portion is the upper lateral tube of a lateral arrangement, and each vertical heat-exchange tube is connected with upper lateral tube successively, and above-mentioned next part middle part is the lower transverse tubule of a lateral arrangement, and each vertical heat-exchange tube is connected with lower transverse tubule successively.
Above-mentioned upper lateral tube closed at both ends, its middle part connects smoke exhaust pipe by above-mentioned longitudinal dilatation joint; Above-mentioned lower transverse tubule one end sealing, the other end connects heating clamber by above-mentioned lateral expansion joint.
Above-mentioned heat-exchanging chamber also is provided with a heat exchanger shell, above-mentioned vertical heat-exchange tube, upward is positioned at heat exchanger shell in the middle part of concentrating portion and next part.
Above-mentioned heating clamber is provided with coal-burning installation, and the high-temperature flue gas outlet end of coal-burning installation connects the next part middle part by above-mentioned lateral expansion joint.
Described coal-burning hot-air roaster, wherein, above-mentioned baking is indoor to be provided with rotary grill.
The utility model provides a kind of coal-burning hot-air roaster, the portion of concentrating of going up of heat-exchanging chamber is connected by longitudinal dilatation joint with smoke exhaust pipe, the next part middle part of heat-exchanging chamber is connected by the lateral expansion joint with heating clamber, when last concentrated portion and smoke exhaust pipe produce when expanding with heat and contract with cold, on the longitudinal dilatation festival-gathering is vertical accordingly, flexible down, eliminated the influence of the stress that causes because of expanding with heat and contract with cold to its junction, and concentrate portion and heating clamber to produce when expanding with heat and contract with cold instantly, the corresponding laterally left side of lateral expansion festival-gathering, right flexible, eliminated the influence of the stress that causes because of expanding with heat and contract with cold to its junction, guaranteed that its junction links together closely, can not make each junction produce slight crack or gap, prolonged the service life of coal-burning hot-air roaster, stopped since the slight crack of junction or gap to the smoke pollution of baked items.In addition, the utility model also makes hot blast get back in the heat-exchanging chamber again after heat-exchanging chamber is through the baking chamber by the hot air circulation passage, improved the utilization rate of heat, saved fuel, rotary grill is set in the baking chamber, it is more even that article such as the cake that cures, bread are heated, especially will the baking chamber, heat-exchanging chamber and the hot-air channel outside be enclosed with thermal insulation layer, further improved the utilization rate to heat.
Description of drawings
Fig. 1 is the structural representation of coal-burning hot-air roaster in the utility model;
Fig. 2 is the cross-sectional view of heat-exchanging chamber in the utility model.
The specific embodiment
The utility model provides a kind of coal-burning hot-air roaster, and is clearer, clear and definite in order to make the purpose of this utility model, technical scheme and advantage, below with reference to accompanying drawing and embodiment, the utility model further described.
The utility model provides a kind of coal-burning hot-air roaster, between heat-exchanging chamber and heating clamber, between heat-exchanging chamber and the smoke exhaust pipe, adopt lateral expansion joint, longitudinal dilatation joint to be connected respectively, Compensation Regulation by expansion joint, offset the stress that expands with heat and contract with cold in each junction, improved the seal of each junction, stopped smoke pollution, prolonged the service life of coal-burning hot-air roaster baked items.As Fig. 1 and shown in Figure 2, be provided with baking chamber 1, heat-exchanging chamber 2, heating clamber 3 and hot air circulation passage 5 in the tube case, in the tube case, be provided with vertical thermal insulation board 12, one side of vertical thermal insulation board 12 is baking chamber 1, opposite side is heat-exchanging chamber 2 and heating clamber 3, wherein heating clamber 3 is positioned at the below of heat-exchanging chamber 2, is provided with smoke exhaust pipe 4 at the heat-exchanging chamber top; Be provided with some vertical heat-exchange tubes 15 in the heat-exchanging chamber 2, the upper orifice place of each vertical heat-exchange tube is fixedly connected on and concentrates in the portion 14 on one, go up to concentrate portion 14 to be connected with smoke exhaust pipe 4 by longitudinal dilatation joint 7, the lower nozzle place of each vertical heat-exchange tube is fixedly connected on and concentrates in the portion 13, and next part middle part 13 is connected with heating clamber 3 by lateral expansion joint 6.By as can be known above-mentioned, when the junction of the junction of heat-exchanging chamber and heating clamber and heat-exchanging chamber and smoke exhaust pipe produces the stress that expands with heat and contract with cold, expansion joint can the adjusting of compensating property, subdued because the stress that expands with heat and contract with cold and cause has been avoided the mouth of pipe place of heat-exchange tube and the situation that slight crack or gap appear in connecting portion.As shown in Figure 2, heat-exchanging chamber 2 also is provided with a heat exchanger shell, vertical heat-exchange tube 15, upward concentrate portion 14 and next part middle part 13 to be positioned at heat exchanger shell, going up and concentrating portion 14 is the upper lateral tube of a lateral arrangement, the upper orifice of each vertical heat-exchange tube 15 is connected with upper lateral tube successively, and the upper lateral tube closed at both ends, its middle part connects smoke exhaust pipe 4 by longitudinal dilatation joint 7; Certainly upper lateral tube also can seal by an end, and the other end connects smoke exhaust pipes 4 by longitudinal dilatation joint 7.Next part middle part 13 is the lower transverse tubule of a lateral arrangement, and the lower nozzle of each vertical heat-exchange tube 15 is connected with lower transverse tubule successively, the sealing of lower transverse tubule one end, and the other end connects heating clamber 3 by lateral expansion joint 6.Can also be provided with coal-burning installation in heating clamber 3, the high-temperature flue gas outlet end 8 of coal-burning installation connects next part middle part 13 by lateral expansion joint 6.As shown in Figure 1, hot air circulation passage 5 comprises by heat-exchanging chamber 2 to the heat-exchanging chamber hot-air channel of baking chamber 1 transfer heat and baking chamber hot-air channel from baking chamber 1 to heat-exchanging chamber 2 that returned heat by, make hot blast pass through heat-exchanging chamber 2, heat-exchanging chamber hot-air channel, baking chamber 1 successively, enter in the heat-exchanging chamber 2 by baking chamber hot-air channel again at last, form the peripheral passage, hot blast is carried out recycling, improved the utilization rate of heat, saved fuel; Especially rotary grill is set in that baking is indoor, rotates at the uniform velocity by it that article such as the cake that cures on the rotary grill, bread are heated is more even, improved the baking efficiency of coal-burning hot-air roaster.Also in baking chamber 1, the outside of heat-exchanging chamber 2, heating clamber 3 and hot air circulation passage 5 all is enclosed with thermal insulation layer 11, can make thermal insulation layer 11 such as materials such as fire-proof and thermal-insulation cottons.Certainly in order further to improve performance of the present utility model, hot air circulation machine 9 and transmission system 10 etc. can also be set at the relevant place of coal-burning hot-air roaster, the relevant very maturation that designed does not repeat them here in the prior art.
Should be understood that; above-mentioned description at preferred embodiment is comparatively detailed; can not therefore think restriction to this practicality scope of patent protection; those of ordinary skill in the art is under the enlightenment of this practicality; do not breaking away under the scope situation that this practicality claim protected; can also make various deformation such as replacement, simple combination, these all fall within the protection domain of this practicality, and the scope of asking for protection of this practicality should be as the criterion with claims.
Claims (6)
1. coal-burning hot-air roaster, it comprises a case, be provided with the baking chamber in the tube case, heat-exchanging chamber, heating clamber and hot air circulation passage, in the tube case, be provided with vertical thermal insulation board, one side of vertical thermal insulation board is the baking chamber, opposite side is heat-exchanging chamber and heating clamber, heating clamber is positioned at the below of heat-exchanging chamber, be provided with smoke exhaust pipe at the heat-exchanging chamber top, it is characterized in that: be provided with some vertical heat-exchange tubes in the heat-exchanging chamber, the upper orifice place of each vertical heat-exchange tube is fixedly connected on and concentrates in the portion on one, going up the portion of concentrating is connected with smoke exhaust pipe by a longitudinal dilatation joint, the lower nozzle place of each vertical heat-exchange tube is fixedly connected on and concentrates in the portion, and the next part middle part is connected with heating clamber by lateral expansion joint.
2. coal-burning hot-air roaster according to claim 1, it is characterized in that: above-mentioned concentrated portion is the upper lateral tube of a lateral arrangement, each vertical heat-exchange tube is connected with upper lateral tube successively, and above-mentioned next part middle part is the lower transverse tubule of a lateral arrangement, and each vertical heat-exchange tube is connected with lower transverse tubule successively.
3. coal-burning hot-air roaster according to claim 2 is characterized in that: above-mentioned upper lateral tube closed at both ends, and its middle part connects smoke exhaust pipe by above-mentioned longitudinal dilatation joint; Above-mentioned lower transverse tubule one end sealing, the other end connects heating clamber by above-mentioned lateral expansion joint.
4. coal-burning hot-air roaster according to claim 3 is characterized in that: above-mentioned heat-exchanging chamber also is provided with a heat exchanger shell, above-mentioned vertical heat-exchange tube, upward is positioned at heat exchanger shell in the middle part of concentrating portion and next part.
5. coal-burning hot-air roaster according to claim 4 is characterized in that: above-mentioned heating clamber is provided with coal-burning installation, and the high-temperature flue gas outlet end of coal-burning installation connects the next part middle part by above-mentioned lateral expansion joint.
6. coal-burning hot-air roaster according to claim 5 is characterized in that; Above-mentioned baking is indoor to be provided with rotary grill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201058346U CN201674926U (en) | 2010-02-02 | 2010-02-02 | Coal-fired hot air roaster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201058346U CN201674926U (en) | 2010-02-02 | 2010-02-02 | Coal-fired hot air roaster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201674926U true CN201674926U (en) | 2010-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201058346U Expired - Fee Related CN201674926U (en) | 2010-02-02 | 2010-02-02 | Coal-fired hot air roaster |
Country Status (1)
| Country | Link |
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| CN (1) | CN201674926U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104322604A (en) * | 2014-11-20 | 2015-02-04 | 熊茂浩 | Sesame seed cake oven |
| CN105010445A (en) * | 2015-07-24 | 2015-11-04 | 新麦机械（无锡）有限公司 | Fuel gas type precombustion type heat exchanger |
| CN105379784A (en) * | 2015-12-18 | 2016-03-09 | 宋永久 | Food heating tank |
| CN106979531A (en) * | 2017-04-28 | 2017-07-25 | 嘉兴市桐能环保科技股份有限公司 | A kind of superconduction air to air heat exchanger and residual neat recovering system |
| CN107105676A (en) * | 2015-02-03 | 2017-08-29 | Lbc焙烤设备公司 | Convection oven with linear contraflow heat exchanger |
-
2010
- 2010-02-02 CN CN2010201058346U patent/CN201674926U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104322604A (en) * | 2014-11-20 | 2015-02-04 | 熊茂浩 | Sesame seed cake oven |
| CN107105676A (en) * | 2015-02-03 | 2017-08-29 | Lbc焙烤设备公司 | Convection oven with linear contraflow heat exchanger |
| CN105010445A (en) * | 2015-07-24 | 2015-11-04 | 新麦机械（无锡）有限公司 | Fuel gas type precombustion type heat exchanger |
| CN105379784A (en) * | 2015-12-18 | 2016-03-09 | 宋永久 | Food heating tank |
| CN105379784B (en) * | 2015-12-18 | 2017-11-28 | 宋永久 | Food heating compartment |
| CN106979531A (en) * | 2017-04-28 | 2017-07-25 | 嘉兴市桐能环保科技股份有限公司 | A kind of superconduction air to air heat exchanger and residual neat recovering system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20130202 |