CN204727610U - A kind of circulating heater utilizing the dry waste-heat sulphur trioxide of vat powder - Google Patents
A kind of circulating heater utilizing the dry waste-heat sulphur trioxide of vat powder Download PDFInfo
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- CN204727610U CN204727610U CN201520379104.8U CN201520379104U CN204727610U CN 204727610 U CN204727610 U CN 204727610U CN 201520379104 U CN201520379104 U CN 201520379104U CN 204727610 U CN204727610 U CN 204727610U
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- air inlet
- drying chamber
- sulphur trioxide
- heat
- inlet tank
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The utility model discloses a kind of circulating heater utilizing the dry waste-heat sulphur trioxide of vat powder, comprise drying chamber and air inlet tank, the bottom of drying chamber is provided with bracing frame, drying chamber is provided with intake interface, to give vent to anger interface, pan feeding lid, discharging lid, motor, stir shaft and a pair paddle, this drying chamber inwall is provided with one group of electrical heating tube element for heat drying vat powder, air inlet tank is provided with inlet suction port, the air outlet adapter of this air inlet tank bottom is connected and installed with a U-shaped water back, on the outer wall of U-shaped water back, spiral is provided with spiral curved tube, the inside of described air inlet tank is also provided with the ventilative pocket for filtering sulphur trioxide dust.The steam of the high heat that vat powder heat drying evaporates is sent to spiral curved tube by the utility model, and heated by the sulphur trioxide of U-shaped water back inside by heat exchange, a large amount of energy has been saved in the processing for vat powder, substantially increases energy utilization rate.
Description
Technical field
The utility model relates to a kind of circulating heater utilizing the dry waste-heat sulphur trioxide of vat powder.
Background technology
At present, in the processing of vat powder (V-Brite B), need to use sulphur trioxide to carry out oxidation and sulfidizing synthesis, and needed first to carry out heat treated to sulphur trioxide before oxidation and sulfidizing, traditional method is, direct use electric heating device carries out heat treated to sulphur trioxide, needs the energy of at substantial like this.
Further, vat powder is when producing, often need to carry out heat drying process to finished product vat powder, during heat drying process, by the aqueous vapor evaporation in vat powder, the aqueous vapor temperature evaporated is very high, there is a large amount of heats, and conventional art is by direct for the steam of this part exhausted air, what which results in the energy utilizes rate variance, a large amount of wasting of resources caused.
In addition, also with certain dust in the sulfur trioxide gas generally added, the add trade union of these dust on postorder brings certain impact, affects the quality of product.
Utility model content
The utility model, in order to solve the above-mentioned deficiency of prior art, proposes a kind of circulating heater utilizing the dry waste-heat sulphur trioxide of vat powder.
In order to solve the problems of the technologies described above, the utility model is by the following technical solutions: a kind of circulating heater utilizing the dry waste-heat sulphur trioxide of vat powder, comprise drying chamber and air inlet tank, the bottom of described drying chamber is provided with bracing frame, the upper end of drying chamber is respectively equipped with intake interface and interface of giving vent to anger, the side of drying chamber is provided with the pan feeding lid of the powder that takes a policy, the downside of drying chamber is provided with discharging lid, and the top of this drying chamber is provided with motor, the output shaft of described motor is connected to the stir shaft be placed in drying chamber, described stir shaft is provided with a pair paddle, this drying chamber inwall is provided with one group of electrical heating tube element for heat drying vat powder.
The upper end of described air inlet tank is provided with the inlet suction port of sulphur trioxide, the air outlet adapter of this air inlet tank bottom is connected and installed with a U-shaped water back, on the outer wall of described U-shaped water back, spiral is provided with spiral curved tube, the two ends of U-shaped water back are respectively air inlet termination and termination of giving vent to anger, described air inlet termination is connected with the air outlet adapter of air inlet tank bottom, the two ends of described spiral curved tube are respectively equipped with hot gas inlet pipe and hot gas goes out pipe, to give vent to anger described in described hot gas inlet pipe is connected to interface, and hot gas inlet pipe is arranged on the termination homonymy of giving vent to anger of U-shaped water back.Hot gas goes out pipe and is connected to intake interface by circulating gas pipe, and described circulating gas pipe is provided with blowdown pipe, described blowdown pipe is provided with tonifying Qi valve.
Further, the inside of described air inlet tank is also provided with the ventilative pocket for filtering sulphur trioxide dust, and the surface arrangement of described ventilative pocket has breather hole, and the side of air inlet tank is also provided with Manhole Sealing Joints lid.
Compared with prior art, the utility model is with the heat drying structure of vat powder, when drying, in drying chamber, electrical heating tube element is not only by vat powder heat drying, also by the aqueous vapor evaporation in vat powder, the steam temperature of the evaporation of this part is very high, the steam of high heat enters into spiral curved tube, by heat exchange, the sulphur trioxide of U-shaped water back inside is heated, and the flow direction of hot steam is contrary with the flow direction of sulphur trioxide, greatly increase heat exchange efficiency, and heat exchange complete after hot gas returned again in drying chamber, remain amount of heat, so recycle, a large amount of energy has been saved in processing for vat powder, improve the utilization ratio of the energy, further, the ventilative pocket arranged can filter out the dust in air inlet tank, indirectly improve product quality, and total is simple, be easy to realize, be worthy to be popularized.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, utility model is described in detail.
As shown in Figure 1, the circulating heater utilizing the dry waste-heat sulphur trioxide of vat powder that the utility model proposes, comprise drying chamber 1 and air inlet tank 2, the bottom of drying chamber is provided with bracing frame 3, the upper end of drying chamber 1 is respectively equipped with intake interface 4 and interface 5 of giving vent to anger, the side of drying chamber is provided with the pan feeding lid 6 of the powder that takes a policy, the downside of drying chamber is provided with discharging lid 7, and the top of this drying chamber is provided with motor 8, the output shaft of motor 8 is connected to the stir shaft 9 be placed in drying chamber, stir shaft is provided with a pair paddle 10, this drying chamber inwall is provided with one group of electrical heating tube element 11 for heat drying vat powder.
The upper end of air inlet tank 2 is provided with the inlet suction port 12 of sulphur trioxide, the air outlet adapter 13 of this air inlet tank 2 bottom is connected and installed with a U-shaped water back 14, on the outer wall of U-shaped water back 14, spiral is provided with spiral curved tube 15, the two ends of U-shaped water back 14 are respectively air inlet termination 16 and termination 17 of giving vent to anger, air inlet termination 16 is connected with the air outlet adapter 13 of air inlet tank 2 bottom, the two ends of spiral curved tube 15 are respectively equipped with hot gas inlet pipe 18 and hot gas goes out pipe 19, hot gas inlet pipe 18 is connected to interface 5 of giving vent to anger, and hot gas inlet pipe 18 is arranged on termination 17 homonymy of giving vent to anger of U-shaped water back 13.
Hot gas goes out pipe 19 and is connected to intake interface 4 by circulating gas pipe 20, circulating gas pipe 20 is provided with blowdown pipe 21, blowdown pipe 21 is provided with tonifying Qi valve 22.
The inside of air inlet tank 2 is also provided with the ventilative pocket 2 for filtering sulphur trioxide dust, and the surface arrangement of ventilative pocket 23 has breather hole, and the side of air inlet tank 2 is also provided with Manhole Sealing Joints lid 24.
The operation of the heat drying operation of vat powder and the heat temperature raising of sulphur trioxide combines by the utility model, the waste heat of the hot steam utilizing the heat drying of vat powder to produce fully, uses waste heat to carry out intensification heating to sulphur trioxide.Wherein, when carrying out the heat drying of vat powder, wet vat powder is put in drying chamber, electrical heating tube element 11 connects power work, heating vat powder, and motor 8 also works, and drives stir shaft 9 to rotate, the direction of rotating is positive and negative two-way, it is even that vat powder just can be stirred heat exchange by the paddle on such stir shaft, and now, the dry hot steam produced flows out from interface 5 of giving vent to anger, flow in hot gas inlet pipe 18, flow out going out pipe 19 from hot gas.The sulphur trioxide do not heated is poured in the top of air inlet tank 2, sulphur trioxide enters from the air inlet termination 16 of U-shaped water back 14, flow out from termination 17 of giving vent to anger again, and flowing through in process, the sulphur trioxide of U-shaped water back inside is heated by heat exchange at helical curve Bottomhole pressure by the hot steam of high heat, and the flow direction of hot steam is contrary with the flow direction of sulphur trioxide, greatly increase heat exchange efficiency, hot steam temperature after heat exchange reduces, after going out pipe 19 discharge from hot gas, enter into circulating gas pipe 20, circulating gas pipe 20 is provided with water vent, some water become due to the steam that temperature reduces can be discharged to the external world by water vent, and pressure valve and blowdown pipe can fill into air for circulating gas pipe, complete fill into air after enter in drying chamber by intake interface 4 again, and due to electrical heating tube element 11 continuous firing, so, even if the air-flow in circulating gas pipe also can not drench vat powder again with some moisture, and then allow the flow process of whole hot steam form a circulation, define circulating-heating three and be oxidized landing, a large amount of energy has been saved in processing for vat powder.
In the utility model, the setting of ventilative pocket 23 can fall into some dust in gas tank in sulfur trioxide gas by Filtration Filtration, these dust can not by the breather hole of ventilative pocket 23, in order to clear up the dust that on ventilative pocket 23, long-term filter deposition filters, be provided with Manhole Sealing Joints lid 24 at air inlet tank, open Manhole Sealing Joints lid 24 and can take out ventilative pocket 23 thus clear up dust on ventilative pocket 23.
Above-described embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the utility model patent and protection domain should be as the criterion with appended claims.
Claims (2)
1. one kind utilizes the circulating heater of the dry waste-heat sulphur trioxide of vat powder, it is characterized in that: comprise drying chamber (1) and air inlet tank (2), the bottom of described drying chamber is provided with bracing frame (3), the upper end of drying chamber (1) is respectively equipped with intake interface (4) and interface of giving vent to anger (5), the side of drying chamber is provided with the pan feeding lid (6) of the powder that takes a policy, the downside of drying chamber is provided with discharging lid (7), and the top of this drying chamber is provided with motor (8), the output shaft of described motor (8) is connected to the stir shaft (9) be placed in drying chamber, described stir shaft is provided with a pair paddle (10), this drying chamber inwall is provided with one group of electrical heating tube element for heat drying vat powder (11),
The upper end of described air inlet tank (2) is provided with the inlet suction port (12) of sulphur trioxide, the air outlet adapter (13) of this air inlet tank (2) bottom is connected and installed with a U-shaped water back (14), on the outer wall of described U-shaped water back (14), spiral is provided with spiral curved tube (15), the two ends of U-shaped water back (14) are respectively air inlet termination (16) and termination of giving vent to anger (17), described air inlet termination (16) is connected with the air outlet adapter (13) of air inlet tank (2) bottom, the two ends of described spiral curved tube (15) are respectively equipped with hot gas inlet pipe (18) and hot gas goes out pipe (19), to give vent to anger described in described hot gas inlet pipe (18) is connected to interface (5), and hot gas inlet pipe (18) is arranged on termination of giving vent to anger (17) homonymy of U-shaped water back (13), described hot gas goes out pipe (19) and is connected to intake interface (4) by circulating gas pipe (20), described circulating gas pipe (20) is provided with blowdown pipe (21), described blowdown pipe (21) is provided with tonifying Qi valve (22).
2. the circulating heater utilizing the dry waste-heat sulphur trioxide of vat powder according to claim 1, it is characterized in that: the inside of described air inlet tank (2) is also provided with the ventilative pocket (23) for filtering sulphur trioxide dust, the surface arrangement of described ventilative pocket (23) has breather hole, and the side of air inlet tank (2) is also provided with Manhole Sealing Joints lid (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520379104.8U CN204727610U (en) | 2015-06-05 | 2015-06-05 | A kind of circulating heater utilizing the dry waste-heat sulphur trioxide of vat powder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520379104.8U CN204727610U (en) | 2015-06-05 | 2015-06-05 | A kind of circulating heater utilizing the dry waste-heat sulphur trioxide of vat powder |
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| CN204727610U true CN204727610U (en) | 2015-10-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405426A (en) * | 2018-12-29 | 2019-03-01 | 中南林业科技大学 | Sodium hydrosulfite drier safety anti-explosive system and its safety anti-explosive method |
-
2015
- 2015-06-05 CN CN201520379104.8U patent/CN204727610U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405426A (en) * | 2018-12-29 | 2019-03-01 | 中南林业科技大学 | Sodium hydrosulfite drier safety anti-explosive system and its safety anti-explosive method |
| CN109405426B (en) * | 2018-12-29 | 2023-12-12 | 中南林业科技大学 | Safe explosion-proof system and safe explosion-proof method of sodium hydrosulfite dryer |
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