CN216814986U - Heating device suitable for high-temperature heat treatment of tea leaves - Google Patents
Heating device suitable for high-temperature heat treatment of tea leaves Download PDFInfo
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- CN216814986U CN216814986U CN202220461447.9U CN202220461447U CN216814986U CN 216814986 U CN216814986 U CN 216814986U CN 202220461447 U CN202220461447 U CN 202220461447U CN 216814986 U CN216814986 U CN 216814986U
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Abstract
The utility model relates to the technical field of tea preparation devices, and particularly discloses a heat supply device suitable for high-temperature heat treatment of tea, which comprises a device body, wherein the device body comprises a heating chamber, and a plurality of combustion heating units are distributed in the heating chamber; the combustion heating unit comprises a mixed combustion chamber, the upper end of the mixed combustion chamber is connected with a heat transfer chamber, and the lower part of the mixed combustion chamber is provided with an air inlet pipe and a fuel gas inlet pipe; an igniter is also arranged in the mixed combustion cavity; the right side of the heating chamber is provided with an air inlet pipe, and the left side of the heating chamber is provided with an air outlet pipe. The utility model has the advantages of high heat utilization rate, stable heat supply, flexible regulation and control, energy saving, high efficiency and the like.
Description
Technical Field
The utility model relates to the technical field of heating devices for tea preparation, in particular to a heating device suitable for high-temperature heat treatment of tea.
Background
Green tea, yellow tea, black tea, oolong tea, pu' er tea, black tea and the like generally need to be subjected to a de-enzyming or drying step in the preparation process. The tea making process is always carried out in a stable high-temperature environment; the high-temperature airflow is a good medium for high-temperature treatment, and has the advantages of good fluidity, fast moisture removal, high efficiency and the like, but the existing devices for heating high-temperature gas and keeping constant temperature are less in disclosure, most of the existing devices directly adopt a large gas furnace and then absorb heat through liquid so as to be transmitted to air to be heated, so that the heat loss is large, the efficiency is low, the cost is high, meanwhile, the hysteresis of only one large combustion furnace on the temperature regulation is too large, and the quick, effective and flexible temperature regulation and control cannot be realized.
Disclosure of Invention
The utility model provides a heating device with good effect for high-temperature heat treatment of tea aiming at the technical problems.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a heating device suitable for high-temperature heat treatment of tea leaves comprises a device body, wherein the device body comprises a heating chamber, and a plurality of combustion heating units are distributed in the heating chamber; the combustion heating unit comprises a mixed combustion chamber, the upper end of the mixed combustion chamber is connected with a heat transfer chamber, and the lower part of the mixed combustion chamber is provided with an air inlet pipe and a fuel gas inlet pipe; an igniter is also arranged in the mixed combustion cavity; the right side of the heating chamber is provided with an air inlet pipe, and the left side of the heating chamber is provided with an air outlet pipe. Further, a waste heat recovery chamber is arranged above the heating chamber, and liquid circulation heat absorption pipes are distributed in the waste heat recovery chamber; the air outlets at the upper ends of the heat transfer cavities are distributed in the waste heat recovery chamber; and the upper end of the waste heat recovery chamber is provided with a waste gas pumping channel.
Further, a first blocking sieve plate is horizontally distributed on the upper part of the waste heat recovery chamber; the first blocking sieve plate is distributed above the liquid circulation heat absorption pipe.
Furthermore, a second blocking sieve plate is further distributed on the right side of the heating chamber and is distributed on the left side of the air inlet pipe.
Furthermore, a third blocking sieve plate is further distributed on the left side of the heating chamber, and the third blocking sieve plate is distributed on the right side of the air outlet pipe.
Further, the heat transfer cavity is of a hollow bead structure.
Furthermore, the combustion heating units are distributed in a row in the front-back direction, and the adjacent two rows of combustion heating units are distributed in a staggered manner.
Compared with the prior art, the utility model has the beneficial effects that:
(1) aiming at the condition that high-flow high-temperature gas is needed in tea preparation, the high-flow high-temperature gas is provided for the processes of enzyme deactivation, drying and the like, and the gas combustion points are divided into a plurality of small combustion points by arranging a plurality of combustion heating units, so that the heat conversion efficiency is improved, and meanwhile, more accurate adjustment can be realized when the temperature of the high-temperature gas is regulated.
(2) The combustion heating unit is arranged into a mixed combustion chamber and a heat transfer chamber with a hollow bead structure, the heat generated by combustion in the inner chamber can uniformly and effectively heat the gas circulating in the heating chamber, and stable supply of energy-saving, efficient and large-flow high-temperature gas can be realized.
(3) The waste heat recovery room that is equipped with can retrieve waste gas waste heat, absorbs the heat through being equipped with liquid circulation heat absorption pipe and can be used to the gaseous preheating of anterior segment or other utilization.
(4) Through being equipped with the separation sieve at waste heat recovery chamber, can effectively improve the whole homogeneity that waste heat recovery chamber lower part exhaust gas air current was taken out, prevent that local waste gas flow is too fast or local region exhaust gas flow from appearing too slowly, lead to the condition that liquid circulation heat absorption pipe heat recovery is inhomogeneous or can't effectively realize heat recovery because local waste gas flow is too fast, improve heat recovery efficiency.
(5) The separation sieve plate is arranged in the heating chamber, so that the flowing uniformity of the gas to be heated in the heating chamber can be promoted, the uniformity and the stability of the overall temperature of the gas to be heated are improved, and the stable supply of high-flow high-temperature airflow is realized.
Drawings
FIG. 1 is a cross-sectional view of a combustion heating unit of the present invention;
FIG. 2 is a front side partial cross-sectional view of the present invention;
FIG. 3 is a right side partial cutaway view of the present invention;
fig. 4 is a right side partial cutaway view of another embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 4, a heating device suitable for high-temperature heat treatment of tea leaves comprises a device body, wherein the device body comprises a heating chamber 10, and a plurality of combustion heating units are distributed in the heating chamber 10; the combustion heating unit comprises a mixed combustion chamber 1, the upper end of the mixed combustion chamber 1 is connected with a heat transfer chamber 2, and the heat transfer chamber 2 is of a hollow bead string structure. An air inlet pipe 4 and a fuel gas inlet pipe 5 are arranged at the lower part of the mixed combustion cavity 1; an igniter 3 is also arranged in the mixed combustion cavity; the right side of heating chamber is equipped with intake pipe 20, and its left side is equipped with outlet duct 22, and during the use, accessible pressurization waits to heat the air, provides the air current of sufficient intensity, certainly because be equipped with liquid circulation heat absorption pipe 12, can be equipped with radiating fin at the other end of liquid circulation heat absorption pipe 12 and preheat the air of treating the heating, effectively improves the thermal utilization efficiency of gas burning, and is more energy-conserving, certainly be equipped with its radiating end of liquid circulation heat absorption pipe 12 and also not be limited to above-mentioned use, can also be applied to other required workshop sections of preheating. The combustion heating units are distributed in rows in the front-back direction, and the adjacent two rows of combustion heating units are distributed in a staggered manner, as shown in fig. 3. Of course, the layout can also be designed as shown in fig. 4, namely, only the heat transfer cavity 2 is distributed in the heating chamber 10, and a combustion cavity layer 10-1 is additionally arranged; a waste heat recovery chamber 11 is also arranged above the heating chamber, a plurality of liquid circulation heat absorption pipes 12 are distributed in the waste heat recovery chamber 11, the water inlets of the liquid circulation heat absorption pipes 12 are connected with a water inlet pipe 15, and the water outlets of the liquid circulation heat absorption pipes are connected with a water outlet pipe 16; the air outlets at the upper ends of the heat transfer cavities 2 are distributed in the waste heat recovery chamber 11; the upper end of the waste heat recovery chamber 11 is provided with a waste gas pumping channel 14, and when the waste heat recovery chamber is used, a smoke exhaust device can be additionally arranged at the upper end of the waste gas pumping channel 14. A first blocking sieve plate 13 is further horizontally distributed on the upper part of the waste heat recovery chamber; the first separation sieve plate is distributed above the liquid circulation heat absorption pipe, an exhaust fan is connected to the exhaust gas exhaust passage 14, so that a micro negative pressure area is formed above the first separation sieve plate 13, uniform vertical rising of exhaust gas flow in the area of the first separation sieve plate 13 can be achieved, the flow rate of the exhaust gas flow can be achieved by adjusting the power of the exhaust fan or the number of meshes of the first separation sieve plate 13, and high-temperature exhaust gas directly transferred to the heat transfer cavity 2 can be effectively recovered by adopting the scheme. The right side of the heating chamber 10 is also distributed with a second separation sieve plate 21, the second separation sieve plate 21 is distributed on the left side of the air inlet pipe, and then an air inlet buffer zone 19 is formed, and the structure can effectively improve the uniformity of the gas to be heated entering the heating chamber 10. Of course, a third blocking sieve plate can be further distributed on the left side of the heating chamber, and the third blocking sieve plate is distributed on the right side of the air outlet pipe. The lower part of the device body is also provided with a pipeline chamber 8, and an air gas pipe 7 and a gas pipe 6 are distributed in the pipeline chamber and are respectively connected to an air gas main pipe 18 and a gas main pipe 17; then can add at the front end of gas transmission house steward 17 and establish the regulation and control valve to regulation and control gas transmission circulation, and then control every burning heating unit's intensity of combustion, through the decomposition of a plurality of burning heating units, compare the tradition and only have a big burning point, can be more high-efficient, nimble regulation and control treat the temperature of heating the gas. When the temperature control device is used, the temperature of the gas output by the gas outlet pipe 22 is monitored, and then the control valve is adjusted to obtain the required temperature. The used blocking sieve plate can be a sieve plate with fine holes or a sieve with more than 500 meshes, the larger the mesh number is, the better the uniformity is, but the relatively larger the resistance is, and the blocking sieve plate needs to be selected by combining the suction force of the airflow.
Claims (7)
1. A heating device suitable for high-temperature heat treatment of tea is characterized in that: the device comprises a device body, wherein the device body comprises a heating chamber, and a plurality of combustion heating units are distributed in the heating chamber; the combustion heating unit comprises a mixed combustion chamber, the upper end of the mixed combustion chamber is connected with a heat transfer chamber, and the lower part of the mixed combustion chamber is provided with an air inlet pipe and a fuel gas inlet pipe; an igniter is also arranged in the mixed combustion cavity; the right side of the heating chamber is provided with an air inlet pipe, and the left side of the heating chamber is provided with an air outlet pipe.
2. A heat supply apparatus suitable for high temperature heat treatment of tea leaves as claimed in claim 1, wherein: a waste heat recovery chamber is also arranged above the heating chamber, and liquid circulation heat absorption pipes are distributed in the waste heat recovery chamber; the air outlets at the upper ends of the heat transfer cavities are distributed in the waste heat recovery chamber; and the upper end of the waste heat recovery chamber is provided with a waste gas pumping channel.
3. A heat supply apparatus suitable for high temperature heat treatment of tea leaves as claimed in claim 2, wherein: a first blocking sieve plate is horizontally distributed on the upper part of the waste heat recovery chamber; the first blocking sieve plate is distributed above the liquid circulation heat absorption pipe.
4. A heating apparatus suitable for high temperature heat treatment of tea leaves according to claim 1, characterized in that: and a second blocking sieve plate is also distributed on the right side of the heating chamber and is distributed on the left side of the air inlet pipe.
5. A heat supply apparatus suitable for high temperature heat treatment of tea leaves as claimed in claim 1, wherein: and a third blocking sieve plate is further distributed on the left side of the heating chamber and is distributed on the right side of the air outlet pipe.
6. A heating apparatus suitable for high temperature heat treatment of tea leaves according to claim 1, characterized in that: the heat transfer cavity is of a hollow bead string structure.
7. A heat supply apparatus suitable for high temperature heat treatment of tea leaves as claimed in claim 1, wherein: the combustion heating units are distributed in a row in the front-back direction, and the adjacent two rows of combustion heating units are distributed in a staggered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220461447.9U CN216814986U (en) | 2022-03-04 | 2022-03-04 | Heating device suitable for high-temperature heat treatment of tea leaves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220461447.9U CN216814986U (en) | 2022-03-04 | 2022-03-04 | Heating device suitable for high-temperature heat treatment of tea leaves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216814986U true CN216814986U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220461447.9U Active CN216814986U (en) | 2022-03-04 | 2022-03-04 | Heating device suitable for high-temperature heat treatment of tea leaves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216814986U (en) |
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2022
- 2022-03-04 CN CN202220461447.9U patent/CN216814986U/en active Active
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