CN204438856U - With the heat exchanger of hot blast barrier plate - Google Patents
With the heat exchanger of hot blast barrier plate Download PDFInfo
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- CN204438856U CN204438856U CN201420867984.9U CN201420867984U CN204438856U CN 204438856 U CN204438856 U CN 204438856U CN 201420867984 U CN201420867984 U CN 201420867984U CN 204438856 U CN204438856 U CN 204438856U
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- hot blast
- barrier plate
- heat exchanger
- blast barrier
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Abstract
The utility model discloses a kind of heat exchanger with hot blast barrier plate, comprise housing, heat-insulation layer and heat-exchanging tube bundle, described housing is provided with furnace gas entrance and furnace gas export, described heat-insulation layer is arranged on the inside of described housing, wherein, described heat exchanger also comprises two or more than two hot blast barrier plate, and described hot blast barrier plate is fixedly installed on the sidewall of described heat-exchanging tube bundle, or described hot blast barrier plate is fixedly installed on described heat-insulation layer; Described hot blast deep bead is just arranged described furnace gas export; There is between adjacent two pieces of hot blast barrier plates the gap of setting.The heat exchanger with hot blast barrier plate that the utility model provides is by just arranging hot blast barrier plate to the position of furnace gas export, the hot blast formed to make furnace gas is by the process of shell side, the stop of wind resistance baffle plates of being heated forms turbulent flow, hot blast is detained, thus extend the swap time of the inner hot blast of heat exchanger, improve the heat exchange efficiency of combustion furnace heat exchanger.
Description
Technical field
The utility model relates to tobacco processing equipment, particularly relates to a kind of heat exchanger with hot blast barrier plate.
Background technology
Combustion furnace is the part in expanded cut tobacco making apparatus, uses the process gas of high temperature that dry ice pipe tobacco is expanded rapidly.And process gas heat exchanger (model is HE-61) is for heating process gas, its heat exchange efficiency directly affects the technique realization that pipe tobacco is produced, and also directly affects the effective rate of utilization of combustion furnace fuel.
Fig. 1 is the structural representation of heat exchanger in prior art, and in prior art, process gas heat exchanger (HE-61) is pipe-shell cross-flow type heat exchanger, and this heat exchanger comprises heat-exchanging tube bundle 1, housing 2 and heat-insulation layer 3, and heat-insulation layer 3 is arranged on the inside of housing 2.Process gas flows through from heat exchanger tube pass (in heat-exchanging tube bundle 1) and is heated simultaneously, and furnace gas flows through from shell side (heat-exchanging tube bundle 1, namely between heat exchanger shell 2 and heat-exchanging tube bundle 1).
The furnace gas of the heat exchanger adopted in prior art is through type, and through type heat exchanger inner hot blast is shorter for swap time, and heat transfer process is not very abundant.Therefore, the efficiency of heating surface of process gas heat exchanger also has the space promoted further.
Utility model content
The utility model provides a kind of heat exchanger with hot blast barrier plate, to solve the problems of the prior art, improves heat exchange efficiency.
The utility model provides a kind of heat exchanger with hot blast barrier plate, comprises housing, heat-insulation layer and heat-exchanging tube bundle, described housing is provided with furnace gas entrance and furnace gas export, and described heat-insulation layer is arranged on the inside of described housing, wherein,
Described heat exchanger also comprises two or more than two hot blast barrier plate, and described hot blast barrier plate is fixedly installed on the sidewall of described heat-exchanging tube bundle, or described hot blast barrier plate is fixedly installed on described heat-insulation layer;
Described hot blast deep bead is just arranged described furnace gas export;
There is between adjacent two pieces of hot blast barrier plates the gap of setting.
As above with the heat exchanger of hot blast barrier plate, wherein, preferably, described hot blast barrier plate is fixedly installed on the sidewall of described heat-exchanging tube bundle by T-shaped bolt and locking locknut, described heat-exchanging tube bundle comprises multiple heat exchanger tube, between the head that described heat exchanger tube is clamped in described T-shaped bolt and locking nut.
As above with the heat exchanger of hot blast barrier plate, wherein, preferably, described hot blast barrier plate comprises hot blast barrier plate topmost and hot blast barrier plate bottom, and hot blast barrier plate topmost and hot blast barrier plate bottom abut against with described heat-insulation layer respectively.
As above with the heat exchanger of hot blast barrier plate, wherein, preferably, the length of described hot blast barrier plate is greater than the aperture of described furnace gas export.
As above with the heat exchanger of hot blast barrier plate, wherein, preferably, the width of described hot blast barrier plate meets: only block the gap between adjacent two heat exchanger tubes.
As above with the heat exchanger of hot blast barrier plate, wherein, preferably, described hot blast barrier plate is provided with exhaust vent.
As above with the heat exchanger of hot blast barrier plate, wherein, preferably, described exhaust vent is circular hole.
As above with the heat exchanger of hot blast barrier plate, wherein, preferably, described hot blast barrier plate is corrosion resistant plate.
The heat exchanger with hot blast barrier plate that the utility model provides is by just arranging hot blast barrier plate to the position of furnace gas export, the hot blast formed to make furnace gas is by the process of shell side, can be detained, thus extend the swap time of the inner hot blast of heat exchanger, improve the heat exchange efficiency of combustion furnace heat exchanger.
Accompanying drawing explanation
Fig. 1 is the structural representation of heat exchanger in prior art;
The structural representation of the heat exchanger with hot blast barrier plate that Fig. 2 provides for the utility model embodiment;
Fig. 3 be in Fig. 2 A-A to revolved view.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in detail.The identical Reference numeral of wherein identical parts represents.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometric center respectively.
The structural representation of the heat exchanger with hot blast barrier plate that Fig. 2 provides for the utility model embodiment, Fig. 3 be in Fig. 2 A-A to revolved view.
The utility model embodiment provides a kind of heat exchanger with hot blast barrier plate, this heat exchanger comprises housing 2, heat-insulation layer 3 and heat-exchanging tube bundle 1, described housing 2 is provided with furnace gas entrance 21 and furnace gas export 22, described heat-insulation layer 3 is arranged on the inside of described housing 2.Furnace gas enters into the space between housing 2 and heat-exchanging tube bundle 1 from furnace gas entrance 21, namely enters into shell side, and the process gas passed through from heat-exchanging tube bundle 1 and furnace gas generation heat exchange, heated to make process gas.After heat exchange, furnace gas is discharged from furnace gas export 22.
Wherein, above-mentioned heat exchanger also comprises two or more than two hot blast barrier plate 4, described hot blast barrier plate 4 is fixedly installed on the sidewall of described heat-exchanging tube bundle 1, or described hot blast barrier plate 4 is fixedly installed on described heat-insulation layer 3, described hot blast deep bead 4 is just arranged described furnace gas export 22, has the gap of setting between adjacent two pieces of hot blast barrier plates 4.It will be appreciated by persons skilled in the art that the material of hot blast barrier plate 4 can have multiple choices, such as polyethylene board, steel plate etc., in the present embodiment, hot blast barrier plate 4 is corrosion resistant plate, and it is corrosion-resistant, long service life.
The gap between adjacent hot blast barrier plate 4 with setting is set, thus the hot blast that furnace gas can be enable to be formed passes through smoothly, and discharges from furnace gas export 22.According to actual conditions, can adjust by the gap length arranging this setting the time that furnace gas stops in shell side.Equally, gap length can be decided according to the required time of staying, therefore, concrete restriction not done to this gap width at this.
Hot blast barrier plate 4 can be fixedly installed on the sidewall of described heat-exchanging tube bundle 1, and also can be fixedly installed on described heat-insulation layer 3, its fixed form can have various ways, and such as bolt is fixed, bonding, welding etc.In the present embodiment, described hot blast barrier plate 4 is fixedly installed on the sidewall of described heat-exchanging tube bundle 1 by T-shaped bolt 5 and locking locknut 6, described heat-exchanging tube bundle 1 comprises multiple heat exchanger tube 11, between the head 51 that described heat exchanger tube 11 is clamped in described T-shaped bolt 5 and locking nut 6.As shown in Figure 3, T-shaped bolt 5 has head 51, and this head 51 can be stuck in the side of two adjacent heat exchanger tubes 11, and by T-shaped bolt 5 through hot blast barrier plate 4, recycling locknut 6 is locked, thus hot blast barrier plate 4 can be fixed on heat-exchanging tube bundle 1.
Preferably, described hot blast barrier plate comprises hot blast barrier plate topmost and hot blast barrier plate bottom, hot blast barrier plate topmost and hot blast barrier plate bottom abut against with described heat-insulation layer respectively, thus can ensure, the hot blast formed by furnace gas is only discharged from the centre position of furnace gas export, and can not leak from both sides, retarding heat loss.
Further, the hot blast formed to enable furnace gas obtains enough the blocking of hot blast barrier plate 4, thus form eddy current in shell side inside, the length that can arrange hot blast barrier plate 4 is greater than the aperture of described furnace gas export 22, thus the hot blast that furnace gas is formed can not be discharged from furnace gas export 22 easily.Between hot blast barrier plate 4 and heat-exchanging tube bundle 1, form higher-pressure region, delay effect is produced to hot blast.
Preferably, the width of described hot blast barrier plate 4 meets: only block the gap between adjacent two heat exchanger tubes 11.That is, the external diameter sum that the width of hot blast barrier plate 4 should be greater than adjacent two heat exchanger tubes 11 adds the summation in gap between two heat exchanger tubes 11.Meanwhile, the width of hot blast barrier plate 4 also will meet the summation that the external diameter sum being less than three adjacent heat exchanger tubes 11 adds gap between these three heat exchanger tubes 11.In addition, two pieces of adjacent hot blast barrier plates 4 can not be close to, and guarantee that every block hot blast barrier plate 4 is only detained the hot blast between one group of adjacent heat exchange tubes 11, and can not cause the hot blast between arbitrary group of heat exchanger tube 11 and stop completely.
On the basis of above-described embodiment, described hot blast barrier plate 4 is provided with exhaust vent (not shown).Exhaust vent can be evenly distributed on hot blast barrier plate 4, hot blast is by being subject to the stop of hot blast barrier plate 4 behind the gap between heat-exchanging tube bundle 1, part hot blast is directly by this exhaust vent, guarantee that hot blast is detained the internal resistance that obviously can not increase heat exchanger, the stop that remainder hot blast is subject to hot blast barrier plate 4 forms turbulent flow, between hot blast barrier plate 4 and heat-exchanging tube bundle 1, form higher-pressure region, hot blast is produced to the effect of being detained.
The shape of exhaust vent can have multiple, such as square hole, circular hole or erose hole.Conveniently machining, it is circular hole that the present embodiment sets out air holes.Those skilled in the art can by setting out the shape of air holes, size and number adjusts, to realize the adjustment of retention effect.
The heat exchanger with hot blast barrier plate that the utility model embodiment provides is by just arranging hot blast barrier plate to the position of furnace gas export, the hot blast formed to make furnace gas is by the process of shell side, can be detained, thus extend the swap time of the inner hot blast of heat exchanger, improve the heat exchange efficiency of combustion furnace heat exchanger.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (8)
1. with a heat exchanger for hot blast barrier plate, comprise housing, heat-insulation layer and heat-exchanging tube bundle, described housing is provided with furnace gas entrance and furnace gas export, described heat-insulation layer is arranged on the inside of described housing, it is characterized in that,
Described heat exchanger also comprises two or more than two hot blast barrier plate, and described hot blast barrier plate is fixedly installed on the sidewall of described heat-exchanging tube bundle, or described hot blast barrier plate is fixedly installed on described heat-insulation layer;
Described hot blast deep bead is just arranged described furnace gas export;
There is between adjacent two pieces of hot blast barrier plates the gap of setting.
2. the heat exchanger with hot blast barrier plate according to claim 1, it is characterized in that, described hot blast barrier plate is fixedly installed on the sidewall of described heat-exchanging tube bundle by T-shaped bolt and locking locknut, described heat-exchanging tube bundle comprises multiple heat exchanger tube, between the head that described heat exchanger tube is clamped in described T-shaped bolt and locking nut.
3. the heat exchanger with hot blast barrier plate according to claim 2, it is characterized in that, described hot blast barrier plate comprises hot blast barrier plate topmost and hot blast barrier plate bottom, and hot blast barrier plate topmost and hot blast barrier plate bottom abut against with described heat-insulation layer respectively.
4. the heat exchanger with hot blast barrier plate according to claim 3, is characterized in that, the length of described hot blast barrier plate is greater than the aperture of described furnace gas export.
5. the heat exchanger with hot blast barrier plate according to claim 4, is characterized in that, the width of described hot blast barrier plate meets: only block the gap between adjacent two heat exchanger tubes.
6., according to the arbitrary described heat exchanger with hot blast barrier plate of claim 1-5, it is characterized in that, described hot blast barrier plate is provided with exhaust vent.
7. the heat exchanger with hot blast barrier plate according to claim 6, is characterized in that, described exhaust vent is circular hole.
8., according to the arbitrary described heat exchanger with hot blast barrier plate of claim 1-5, it is characterized in that, described hot blast barrier plate is corrosion resistant plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420867984.9U CN204438856U (en) | 2014-12-26 | 2014-12-26 | With the heat exchanger of hot blast barrier plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420867984.9U CN204438856U (en) | 2014-12-26 | 2014-12-26 | With the heat exchanger of hot blast barrier plate |
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| Publication Number | Publication Date |
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| CN204438856U true CN204438856U (en) | 2015-07-01 |
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| CN201420867984.9U Active CN204438856U (en) | 2014-12-26 | 2014-12-26 | With the heat exchanger of hot blast barrier plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018132756A1 (en) * | 2017-01-13 | 2018-07-19 | Rheem Manufacturing Company | Pre-mix fuel-fired appliance with improved heat exchanger interface |
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2014
- 2014-12-26 CN CN201420867984.9U patent/CN204438856U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018132756A1 (en) * | 2017-01-13 | 2018-07-19 | Rheem Manufacturing Company | Pre-mix fuel-fired appliance with improved heat exchanger interface |
| US10281143B2 (en) | 2017-01-13 | 2019-05-07 | Rheem Manufacturing Company | Pre-mix fuel-fired appliance with improved heat exchanger interface |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200082 No. 717, Changyang Road, Shanghai, Yangpu District Patentee after: SHANGHAI TOBACCO GROUP Co.,Ltd. Patentee after: Shanghai Tobacco Group Beijing Cigarette Factory Co.,Ltd. Address before: 200082 No. 717, Changyang Road, Shanghai, Yangpu District Patentee before: SHANGHAI TOBACCO GROUP Co.,Ltd. Patentee before: BEIJING CIGARETTE FACTORY, SHANGHAI TOBACCO GROUP Co.,Ltd. |