CN214552322U - Waste heat drying machine - Google Patents
Waste heat drying machine Download PDFInfo
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- CN214552322U CN214552322U CN202121207228.XU CN202121207228U CN214552322U CN 214552322 U CN214552322 U CN 214552322U CN 202121207228 U CN202121207228 U CN 202121207228U CN 214552322 U CN214552322 U CN 214552322U
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Abstract
A waste heat dryer comprises an air inlet pipe, an air outlet pipe, an electric heater, an adsorption tower A, an adsorption tower B, a main heat exchanger and an auxiliary heat exchanger, wherein the air inlet pipe is respectively connected with the main heat exchanger and the electric heater through pipelines; and a valve is arranged on the connecting pipeline. The utility model discloses a be connected through connecting tube between main heat exchanger and vice heat exchanger, the compressed air (generally for 120 ℃) that advances the intake pipe can directly get into the adsorption tower that is adsorbing moisture behind main heat exchanger and the heat transfer of vice heat exchanger and carry out the drying, and for its comparatively energy-conserving of current process, and the effect is obvious.
Description
Technical Field
The utility model relates to a compressed air purifies the field, concretely relates to compression heat drying machine auxiliary heater reduce power obtains equipment of high-quality air supply.
Background
In the current compressed air purification industry, a centrifugal air compressor is mostly adopted in a large-scale air compression station, the temperature of an exhaust outlet of the centrifugal air compressor is about 120 ℃ (namely the initial temperature of air entering an air outlet pipe is about 120 ℃), the exhaust temperature of the air compressor is utilized to heat and regenerate an adsorbent (drying), but under the condition of an obstructed dew point, the adsorption heating temperature is different, when the dew point temperature is less than or equal to-60 ℃, the regeneration temperature of the adsorbent is about 160 ℃, therefore, the system needs to add an electric heater to assist in heating the compressed air to 160 ℃, the air at 160 ℃ heated by the electric heater regenerates the adsorbent in one of the adsorption towers, the air passing through the adsorption tower is cooled by heat exchange of the auxiliary heat exchanger and then dried by the other adsorption tower, so as to obtain completely dried air which is finally led out by an air outlet pipe, for example: compressed air (generally 120 ℃) is fed from an air inlet pipe, then the compressed air is heated by an electric heater (at the moment, the compressed air is generally 160 ℃) and then enters the adsorption tower A, the compressed air at the temperature heats the adsorbent in the adsorption tower A to regenerate the adsorbent, the compressed air is introduced into the auxiliary heat exchanger for cooling after the heat exchange of the adsorption tower A, the cooled air is finally adsorbed and dried by the adsorption tower B to obtain completely dried air, and the completely dried air is finally led out by the air outlet pipe, this method has a disadvantage that in order to ensure the regeneration of the adsorbent in the adsorption tower a in the example, the waste heat dryer is always required to be continuously heated by the electric heater so that the compressed air introduced into the adsorption tower a is always 160 c, when the air needs to be dried later, the compressed air at 160 ℃ needs to be continuously cooled through the auxiliary heat exchanger, which wastes energy.
SUMMERY OF THE UTILITY MODEL
The utility model provides a waste heat drying machine with lower energy consumption.
In order to solve the technical problem, the utility model relates to a technical solution of waste heat drying machine does:
the adsorption tower comprises an air inlet pipe, an air outlet pipe, an electric heater, an adsorption tower A, an adsorption tower B, a main heat exchanger and an auxiliary heat exchanger, wherein the air inlet pipe is respectively connected with the main heat exchanger and the electric heater through pipelines; and a valve is arranged on the connecting pipeline.
The device also comprises a steam-water separator; the auxiliary heat exchanger is connected with the steam-water separator through a pipeline, and the steam-water separator is connected with the adsorption tower A and the adsorption tower B through pipelines respectively.
The valve is an electric regulating valve.
The device also comprises a temperature sensor A and a temperature sensor B; the electric heater is connected with a temperature sensor A through a pipeline, and the temperature sensor A is respectively connected with an adsorption tower A and an adsorption tower B through pipelines; the auxiliary heat exchanger is connected with a temperature sensor B through a pipeline, and the temperature sensor B is connected with the adsorption tower A and the adsorption tower B through pipelines respectively.
The utility model discloses the technological effect that can reach is: the utility model discloses a be connected and install the valve on the connecting tube through the connecting tube between main heat exchanger and vice heat exchanger, the compressed air (generally for 120 ℃) that advances the intake pipe can directly get into the adsorption tower that is adsorbing moisture behind main heat exchanger and the heat transfer of vice heat exchanger and dry, for its comparatively energy-conserving of current process (carry out the continuous cooling of 160 ℃ compressed air through vice heat exchanger), and the effect is obvious.
Drawings
The invention will be described in further detail with reference to the following drawings and detailed description:
fig. 1 is a schematic structural view of a waste heat drying machine of the present invention (an adsorption tower a is drying and an adsorption tower B is regenerating);
fig. 2 is a schematic structural view of the waste heat drying machine of the present invention (the adsorption tower a is regenerating, and the adsorption tower B is drying).
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
See fig. 1-2.
A waste heat dryer comprises an air inlet pipe 1, an air outlet pipe 8, an electric heater 2, an adsorption tower A3, an adsorption tower B4, a main heat exchanger 5 and an auxiliary heat exchanger 6, wherein the air inlet pipe 1 is respectively connected with the main heat exchanger 5 and the electric heater 2 through pipelines, the electric heater 2 is respectively connected with the adsorption tower A3 and the adsorption tower B4 through pipelines, the auxiliary heat exchanger 6 is respectively connected with the adsorption tower A3 and the adsorption tower B4 through pipelines, the air outlet pipe 8 is respectively connected with the adsorption tower A3 and the adsorption tower B4 through pipelines, and the main heat exchanger 5 is connected with the auxiliary heat exchanger 6 through a connecting pipeline 9; the connecting pipeline 9 is provided with a valve 10.
Specifically, the system also comprises a steam-water separator 7; the auxiliary heat exchanger 6 is connected with the steam-water separator 7 through a pipeline, and the steam-water separator 7 is connected with the adsorption tower A3 and the adsorption tower B4 through pipelines respectively.
Specifically, the valve 10 is an electric control valve.
Specifically, the device also comprises a temperature sensor A11 and a temperature sensor B12; the electric heater 2 is connected with a temperature sensor A11 through a pipeline, and the temperature sensor A11 is respectively connected with an adsorption tower A3 and an adsorption tower B4 through pipelines; the auxiliary heat exchanger 6 is connected with a temperature sensor B12 through a pipeline, and the temperature sensor B12 is connected with an adsorption tower A3 and an adsorption tower B4 through pipelines respectively.
Instructions for use: the utility model discloses the adsorption tower is totally two, is adsorption tower A3 and adsorption tower B4 respectively, and its theory of operation is, adsorbs through one of them adsorption tower and another then regeneration to the dry compressed air of continuous.
Specifically, referring to fig. 1, firstly, the adsorption tower A3 performs adsorption drying, the adsorption tower B4 performs adsorbent regeneration, compressed air (generally 120 ℃) is fed through an air inlet pipe 1, a part of the fed compressed air is heated by an electric heater 2 (generally 160 ℃) and then enters the adsorption tower B4, the adsorbent in the adsorption tower B4 is heated by the compressed air (160 ℃) at the temperature to be regenerated, the compressed air is introduced into a secondary heat exchanger 6 through a pipeline after heat exchange of the adsorption tower B4, the cooled air is subjected to steam-water separation by a steam-water separator 7, and finally subjected to adsorption drying by an adsorption tower A3 to obtain completely dried air, and the completely dried air is finally led out by an air outlet pipe 8; and the other part of the compressed air (120 ℃) after air inlet directly passes through the main heat exchanger 5 and the auxiliary heat exchanger 6 for heat exchange, then directly enters the steam-water separator 7 for steam-water separation, and finally is subjected to adsorption drying by the adsorption tower A3 to obtain completely dried air, and the completely dried air is finally led out by the air outlet pipe 8.
Firstly, referring to fig. 2, in the method, an adsorption tower A3 performs adsorbent regeneration, an adsorption tower B4 performs adsorption drying, compressed air (generally 120 ℃) is fed through an air inlet pipe 1, a part of the fed compressed air is heated by an electric heater 2 (generally 160 ℃) and then enters an adsorption tower A3, the adsorbent in the adsorption tower A3 is heated by the compressed air (160 ℃) at the temperature to be regenerated, the compressed air is subjected to heat exchange by the adsorption tower A3, then is guided into a secondary heat exchanger 6 by a pipeline to be cooled, the cooled air is subjected to steam-water separation by a steam-water separator 7, and finally is subjected to adsorption drying by an adsorption tower B4 to obtain completely dried air, and the completely dried air is finally led out by an air outlet pipe 8; and the other part of the compressed air (120 ℃) after air inlet directly passes through the main heat exchanger 5 and the auxiliary heat exchanger 6 for heat exchange, then directly enters the steam-water separator 7 for steam-water separation, and finally is subjected to adsorption drying by the adsorption tower B4 to obtain completely dried air, and the completely dried air is finally led out by the air outlet pipe 8.
Preferably, the utility model discloses electric heater 2 is connected with temperature sensor A11 through the pipeline earlier, temperature sensor A11 is connected with adsorption tower A3 and adsorption tower B4 through the pipeline respectively again, sub heat exchanger 6 is connected with temperature sensor B12 through the pipeline earlier, temperature sensor B12 is connected with adsorption tower A3 and adsorption tower B4 through the pipeline respectively again, specifically, when temperature sensor A11 and temperature sensor B12 all reach about 160 ℃, open valve 10.
Claims (4)
1. The utility model provides a waste heat drying machine, includes intake pipe (1), outlet duct (8), electric heater (2), adsorption tower A (3), adsorption tower B (4), main heat exchanger (5) and vice heat exchanger (6), intake pipe (1) is connected with main heat exchanger (5) and electric heater (2) through the pipeline respectively, electric heater (2) are connected with adsorption tower A (3) and adsorption tower B (4) through the pipeline respectively, vice heat exchanger (6) are connected with adsorption tower A (3) and adsorption tower B (4) through the pipeline respectively, outlet duct (8) are connected its characterized in that through pipeline and adsorption tower A (3) and adsorption tower B (4) respectively: the main heat exchanger (5) is connected with the auxiliary heat exchanger (6) through a connecting pipeline (9); and a valve (10) is arranged on the connecting pipeline (9).
2. The residual heat dryer according to claim 1, wherein: the system also comprises a steam-water separator (7); the auxiliary heat exchanger (6) is connected with the steam-water separator (7) through a pipeline, and the steam-water separator (7) is connected with the adsorption tower A (3) and the adsorption tower B (4) through pipelines respectively.
3. The residual heat dryer according to claim 1, wherein: the valve (10) is an electric regulating valve.
4. The residual heat dryer according to claim 1, wherein: the temperature sensor A (11) and the temperature sensor B (12) are also included; the electric heater (2) is connected with a temperature sensor A (11) through a pipeline, and the temperature sensor A (11) is respectively connected with the adsorption tower A (3) and the adsorption tower B (4) through pipelines; the auxiliary heat exchanger (6) is connected with a temperature sensor B (12) through a pipeline, and the temperature sensor B (12) is connected with the adsorption tower A (3) and the adsorption tower B (4) through pipelines respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207228.XU CN214552322U (en) | 2021-06-01 | 2021-06-01 | Waste heat drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207228.XU CN214552322U (en) | 2021-06-01 | 2021-06-01 | Waste heat drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214552322U true CN214552322U (en) | 2021-11-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121207228.XU Active CN214552322U (en) | 2021-06-01 | 2021-06-01 | Waste heat drying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214552322U (en) |
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2021
- 2021-06-01 CN CN202121207228.XU patent/CN214552322U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20220704 Address after: 312000 Building 1, Huiji village, Pingshui Town, Keqiao District, Shaoxing City, Zhejiang Province Patentee after: Yangu Technology (Zhejiang) Co.,Ltd. Address before: 315000 No. 310, Lijiang East Road, Jiangbei District, Ningbo City, Zhejiang Province Patentee before: Ningbo Jiangbei Dongxin automation equipment Co.,Ltd. |