CN219318978U

CN219318978U - Energy-saving type air-blasting external heating drying system

Info

Publication number: CN219318978U
Application number: CN202320056116.1U
Authority: CN
Inventors: 杨华雄; 刘斌阳; 徐�明
Original assignee: Wuxi Lianhe Chaolv Purifying Engineering Equipment Co ltd
Current assignee: Wuxi Lianhe Chaolv Purifying Engineering Equipment Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-07-07
Anticipated expiration: 2033-01-09

Abstract

The utility model provides an energy-saving type forced air external heating drying system, which belongs to the technical field of gas treatment, and comprises a tower A, a tower B, a pre-filter, a precision filter, a heater, a fan, a cooler and a post-filter, wherein one end of the tower A is communicated with a first pipeline component, the other end of the tower A is communicated with a second pipeline component, and the first pipeline component and the second pipeline component are respectively communicated with the tower B; the energy-saving type air-blast external heating drying system considers that small air quantity, a small heater and heating time are adopted, the raw material gas is adopted for blowing and cooling, and after the raw material gas is fed, the two towers are connected in parallel for blowing and cooling, the main air flow is cooled by the cooler additionally arranged at the air outlet, so that the investment cost and the operation cost of equipment are reduced.

Description

Energy-saving type air-blasting external heating drying system

Technical Field

The utility model relates to the technical field of gas treatment, in particular to an energy-saving type air-blasting external heating drying system.

Background

The prior air-blast external heating equipment is divided into emission and zero emission, if the air-blast external heating equipment is provided with the emission equipment, the energy waste is caused by the consumption of very large regenerated gas, and the zero emission equipment adopts a surface cooler for closed type air-blast cooling, so that the equipment cost is greatly improved, and certain defects exist in the existing emission equipment and the zero emission equipment, so the inventor invents an energy-saving air-blast external heating drying system through long-time research and experiment to solve the problems.

Disclosure of Invention

In view of the above, the utility model provides an energy-saving type air-blast external heating drying system, which not only can reduce the waste of regenerated gas, but also can greatly reduce the investment cost and the running cost of equipment.

In order to solve the technical problems, the utility model provides an energy-saving type forced air external heating drying system, which comprises an A tower and a B tower, and is characterized in that: still include leading filter, precision filter, heater, fan, cooler and post filter, the one end intercommunication of A tower is equipped with first pipeline subassembly, the other end intercommunication of A tower is equipped with the second pipeline subassembly, first pipeline subassembly and second pipeline subassembly communicate with the B tower respectively.

Preferably, the first pipeline assembly comprises a first connecting pipe communicated with one end of the tower A, a second connecting pipe is communicated with one end of the first connecting pipe, a third connecting pipe is communicated with one end of the second connecting pipe, one end of the third connecting pipe is communicated with one end of the tower B, a fourth connecting pipe and a fifth connecting pipe are arranged between the first connecting pipe and the third connecting pipe at intervals, a sixth connecting pipe is communicated with the second connecting pipe, a seventh connecting pipe is communicated with one end of the sixth connecting pipe, an eighth connecting pipe is arranged on the sixth connecting pipe, one end of the seventh connecting pipe is communicated with the eighth connecting pipe, a ninth connecting pipe is communicated with the fifth connecting pipe, and a tenth connecting pipe is communicated with one end of the ninth connecting pipe.

Preferably, the interval is equipped with A1 valve and B1 valve on the second connecting pipe, the one end of sixth connecting pipe is located between A1 valve and the B1 valve, be equipped with the F1 valve on the fourth connecting pipe, the interval is equipped with A2 valve and B2 valve on the fifth connecting pipe, the one end of ninth connecting pipe is located between A2 valve and the B2 valve, be equipped with the F2 valve on the seventh connecting pipe, be equipped with the F3 valve on the tenth connecting pipe.

Preferably, the post filter is arranged at the air outlet of the eighth connecting pipe, a cooler is arranged at one side of the post filter at intervals, one end of the seventh connecting pipe is positioned between the post filter and the cooler, the heater and the fan are arranged on the tenth connecting pipe at intervals, and the F3 valve is positioned between the fan and the heater.

Preferably, the second pipeline assembly comprises an eleventh connecting pipe communicated with the other end of the A tower and a twelfth connecting pipe communicated with the other end of the B tower, a fourteenth connecting pipe is communicated between the eleventh connecting pipe and the twelfth connecting pipe, a thirteenth connecting pipe is arranged at one end of the eleventh connecting pipe, one end of the twelfth connecting pipe is communicated with the thirteenth connecting pipe, a fifteenth connecting pipe is communicated with the thirteenth connecting pipe, and a sixteenth connecting pipe is communicated with one end of the fifteenth connecting pipe.

Preferably, an A3 valve and a B3 valve are arranged on the fourteenth connecting pipe at intervals, an A5 valve, an A4 valve, a B4 valve and a B5 valve are sequentially arranged on the thirteenth connecting pipe at intervals, one end of the eleventh connecting pipe is located between the A5 valve and the A4 valve, and one end of the twelfth connecting pipe is located between the B4 valve and the B5 valve.

Preferably, the prefilter and the precision filter are arranged on the sixteenth connecting pipe at intervals.

The technical scheme of the utility model has the following beneficial effects: the energy-saving type air-blast external heating drying system considers that small air quantity, a small heater and heating time are adopted, the raw material gas is adopted for blowing and cooling, and after the raw material gas is fed, the two towers are connected in parallel for blowing and cooling, the main air flow is cooled by the cooler additionally arranged at the air outlet, so that the investment cost and the operation cost of equipment are reduced.

Drawings

FIG. 1 is a schematic diagram of the energy-saving type air-blast external heating drying system.

In the figure: 1. a first connection pipe; 2. a second connection pipe; 3. a third connection pipe; 4. a fourth connection pipe; 5. a fifth connection pipe; 6. a sixth connection pipe; 7. a seventh connection pipe; 8. an eighth connection pipe; 9. a ninth connection pipe; 10. a tenth connection pipe; 11. an eleventh connection pipe; 12. a twelfth connection pipe; 13. a thirteenth connection tube; 14. a fourteenth connection pipe; 15. a fifteenth connection pipe; 16. a sixteenth connection pipe; 17. a pre-filter; 18. a precision filter; 19. a heater; 20. a blower; 21. a cooler; 22. a post filter; 23. a filter; 24. a tower A; 25. and B, tower.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the utility model, fall within the scope of protection of the utility model.

As shown in fig. 1: the energy-saving type air-blasting external heating drying system comprises an A tower 24 and a B tower 25, and further comprises a pre-filter 17, a precise filter 18, a heater 19, a fan 20, a cooler 21 and a post-filter 22, wherein one end of the A tower 24 is communicated with a first pipeline assembly, the other end of the A tower 24 is communicated with a second pipeline assembly, the first pipeline assembly and the second pipeline assembly are respectively communicated with the B tower 25, and the energy-saving type air-blasting external heating drying system will be described in detail below.

Further, in this embodiment, the first pipe assembly includes a first connecting pipe 1 connected to one end of the a tower 24, a second connecting pipe 2 is connected to one end of the first connecting pipe 1, a third connecting pipe 3 is connected to one end of the second connecting pipe 2, one end of the third connecting pipe 3 is connected to one end of the B tower 25, a fourth connecting pipe 4 and a fifth connecting pipe 5 are provided between the first connecting pipe 1 and the third connecting pipe 3 at intervals, a sixth connecting pipe 6 is connected to the second connecting pipe 2, a seventh connecting pipe 7 is connected to one end of the sixth connecting pipe 6, an eighth connecting pipe 8 is provided to the sixth connecting pipe 6, an eighth connecting pipe 8 is connected to one end of the seventh connecting pipe 7, a ninth connecting pipe 9 is connected to the fifth connecting pipe 5, a tenth connecting pipe 10 is connected to one end of the ninth connecting pipe 9, and a filter 23 is provided to one end of the tenth connecting pipe 10.

Further, in this embodiment, the second connecting pipe 2 is provided with an A1 valve and a B1 valve at intervals, one end of the sixth connecting pipe 6 is located between the A1 valve and the B1 valve, the fourth connecting pipe 4 is provided with an F1 valve, the fifth connecting pipe 5 is provided with an A2 valve and a B2 valve at intervals, one end of the ninth connecting pipe 9 is located between the A2 valve and the B2 valve, the seventh connecting pipe 7 is provided with an F2 valve, and the tenth connecting pipe 10 is provided with an F3 valve.

Further, a post filter 22 is arranged at the air outlet of the eighth connecting pipe 8, a cooler 21 is arranged at one side of the post filter 22 at intervals, one end of the seventh connecting pipe 7 is positioned between the post filter 22 and the cooler 21, a heater 19 and a fan 20 are arranged on the tenth connecting pipe 10 at intervals, and an F3 valve is positioned between the fan 20 and the heater 19.

In detail, the second pipe assembly includes an eleventh connecting pipe 11 connected to the other end of the a-tower 24 and a twelfth connecting pipe 12 connected to the other end of the B-tower 25, a fourteenth connecting pipe 14 is connected between the eleventh connecting pipe 11 and the twelfth connecting pipe 12, a vent is provided in the fourteenth connecting pipe 14, a thirteenth connecting pipe 13 is provided in one end of the eleventh connecting pipe 11, one end of the twelfth connecting pipe 12 is connected to the thirteenth connecting pipe 13, a fifteenth connecting pipe 15 is connected to the thirteenth connecting pipe 13, and a sixteenth connecting pipe 16 is connected to one end of the fifteenth connecting pipe 15.

Further, an A3 valve and a B3 valve are arranged on the fourteenth connecting pipe 14 at intervals, an A5 valve, an A4 valve, a B4 valve and a B5 valve are arranged on the thirteenth connecting pipe 13 at intervals in sequence, one end of the eleventh connecting pipe 11 is located between the A5 valve and the A4 valve, and one end of the twelfth connecting pipe 12 is located between the B4 valve and the B5 valve.

Further, a prefilter 17 and a precision filter 18 are provided on the sixteenth connection pipe 16 at a spacing.

In order to better understand the working flow of the energy-saving type forced air external heating drying system, the adsorption of the A tower 24 and the regeneration of the B tower 25 are explained below;

a tower 24 is used for adsorption;

the gas compressed by the compressor enters the pre-filter 17 and the precise filter 18 to remove liquid water and oil in the gas, then enters the A tower 24 to be adsorbed, and the dehydrated gas passes through the A1 valve and the cooler 21/F2 valve (the cooler 21 is used when the gas temperature is high, the F2 valve is used when the gas temperature is low to reduce the pressure loss), enters the post-filter 22 to remove dust of the adsorbent, and then is sent to dry and clean compressed gas.

The tower A24 is adsorbed and the tower B25 is regenerated, and the regeneration comprises five stages of pressure relief, blast heating, replacement, pressure equalizing and tower cooling;

b, pressure relief of the tower 25;

and opening a B5 valve to release the pressure of the B tower 25, and discharging the pressure in the B tower 25 to normal pressure.

B tower 25 blast heating;

opening a B2 valve and a B3 valve, starting a fan 20 and a heater 19, pumping the environment atmosphere by the fan 20, heating to a set temperature (generally 160-240 ℃), feeding the environment atmosphere into a regeneration tower through the B2 valve to regenerate the B tower 25, and discharging regenerated gas through the B3 valve.

B column 25 replacement;

after the heating of the B tower 25 is finished, the fan 20, the heater 19 and the B2 valve are closed, the F1 valve is opened, a small amount of finished gas is taken to replace the B tower 25, and residual moisture in the adsorption tower (A tower 24) is replaced.

B, equalizing pressure in a tower 25;

closing the B3 valve, keeping the F1 valve open, and continuously taking the product gas to charge the B tower 25 until the pressure is balanced with the A tower 24.

B, tower 25 and tower cooling;

and closing the F2 valve, opening the B4 valve and the B1 valve, keeping the states of the A4 valve and the A1 valve unchanged, enabling the main air flow to enter the A tower 24 and the B tower 25 simultaneously to blow down the B tower 25, mixing the finished air generated by the A tower 24, avoiding the overhigh temperature of the air outlet, reducing the design load and investment of the heat exchanger, and avoiding the drift of the dew point of the air outlet caused by direct full flow passing through the B tower.

The energy-saving type external heating drying system for the blast air aims at the current situation that the energy waste and zero-emission equipment caused by the regenerated gas of the blast air are greatly improved in equipment cost, wherein no matter the blast air is provided with the emission equipment or the zero-emission equipment, enough cooling time is reserved for the equipment, so that the power is high when the fan 20 and the heater 19 are selected, the small air quantity, the small heater 19 and the heating time are adopted in the energy-saving type external heating drying system for the blast air, the raw gas is adopted for cooling after being fed, the two towers are connected in parallel for cooling, the cooler 21 is added at the air outlet for cooling main air flow, and the investment cost and the operation cost of the equipment are reduced.

In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.

Claims

1. An energy-saving type forced air external heating drying system comprises an A tower and a B tower, and is characterized in that: still include leading filter, precision filter, heater, fan, cooler and post filter, the one end intercommunication of A tower is equipped with first pipeline subassembly, the other end intercommunication of A tower is equipped with the second pipeline subassembly, first pipeline subassembly and second pipeline subassembly communicate with the B tower respectively.

2. The energy efficient forced air external heating drying system of claim 1, wherein: the first pipeline assembly comprises a first connecting pipe which is communicated with one end of the tower A, a second connecting pipe is arranged at one end of the first connecting pipe in a communicating manner, a third connecting pipe is arranged at one end of the second connecting pipe in a communicating manner, a fourth connecting pipe and a fifth connecting pipe are arranged between the first connecting pipe and the third connecting pipe at intervals, a sixth connecting pipe is arranged at one end of the sixth connecting pipe in a communicating manner, a seventh connecting pipe is arranged at one end of the sixth connecting pipe in a communicating manner, an eighth connecting pipe is arranged at the sixth connecting pipe in a communicating manner, a ninth connecting pipe is arranged at one end of the seventh connecting pipe in a communicating manner, and a tenth connecting pipe is arranged at one end of the ninth connecting pipe in a communicating manner.

3. The energy efficient forced air external heating drying system of claim 2, wherein: the interval is equipped with A1 valve and B1 valve on the second connecting pipe, the one end of sixth connecting pipe is located between A1 valve and the B1 valve, be equipped with the F1 valve on the fourth connecting pipe, the interval is equipped with A2 valve and B2 valve on the fifth connecting pipe, the one end of ninth connecting pipe is located between A2 valve and the B2 valve, be equipped with the F2 valve on the seventh connecting pipe, be equipped with the F3 valve on the tenth connecting pipe.

4. The energy efficient forced air external heating drying system according to claim 3, wherein: the rear filter is arranged at the air outlet of the eighth connecting pipe, a cooler is arranged at one side of the rear filter at intervals, one end of the seventh connecting pipe is positioned between the rear filter and the cooler, the heater and the fan are arranged on the tenth connecting pipe at intervals, and the F3 valve is positioned between the fan and the heater.

5. The energy efficient forced air external heating drying system according to claim 1 or 4, wherein: the second pipeline assembly comprises an eleventh connecting pipe communicated with the other end of the A tower and a twelfth connecting pipe communicated with the other end of the B tower, a fourteenth connecting pipe is communicated between the eleventh connecting pipe and the twelfth connecting pipe, a thirteenth connecting pipe is arranged at one end of the eleventh connecting pipe, one end of the twelfth connecting pipe is communicated with the thirteenth connecting pipe, a fifteenth connecting pipe is communicated with the thirteenth connecting pipe, and a sixteenth connecting pipe is communicated with one end of the fifteenth connecting pipe.

6. The energy efficient externally heated air blast drying system of claim 5 in which: the thirteenth connecting pipe is provided with an A3 valve and a B3 valve at intervals, the thirteenth connecting pipe is provided with an A5 valve, an A4 valve, a B4 valve and a B5 valve at intervals in sequence, one end of the eleventh connecting pipe is positioned between the A5 valve and the A4 valve, and one end of the twelfth connecting pipe is positioned between the B4 valve and the B5 valve.

7. The energy efficient externally heated air blast drying system of claim 6 in which: the pre-filter and the precise filter are arranged on the sixteenth connecting pipe at intervals.