CN212481332U

CN212481332U - Energy-saving single-runner cold-side bypass over-temperature control system

Info

Publication number: CN212481332U
Application number: CN202021997088.6U
Authority: CN
Inventors: 郑石治; 林国源; 扶亚民; 陈宗贤; 刘邦昱
Original assignee: Shanghai Huamao Environmental Protection Energy Saving Equipment Co ltd; Desiccant Technology Corp
Current assignee: Shanghai Huamao Environmental Protection Energy Saving Equipment Co ltd; Desiccant Technology Corp
Priority date: 2020-07-30
Filing date: 2020-09-14
Publication date: 2021-02-05
Anticipated expiration: 2030-09-14
Also published as: TWM604864U

Abstract

The utility model relates TO an energy-saving single runner cold side bypass excess temperature control system mainly is used for organic waste gas processing system, and is equipped with direct combustion formula and burns burning furnace (TO), a first heat exchanger, a second heat exchanger, a first cold side pipeline, an adsorption runner and a chimney, and pass through desorption concentrated gas line with between the first cold side pipeline or add a cold side proportion air door on the desorption concentrated gas line, consequently, when Volatile Organic Compounds (VOCs) concentration risees, can pass through the size of cold side proportion air door regulation and control the amount of wind TO have the efficiency of adjusting heat recovery volume or concentration, make organic waste gas when handling, can prevent direct combustion formula burning furnace (TO) can not take place the phenomenon of excess temperature because of the furnace temperature is too high, lead TO the situation of shutting down TO take place even.

Description

Energy-saving single-runner cold-side bypass over-temperature control system

Technical Field

The utility model relates TO an energy-saving single runner cold side bypass excess temperature control system relates TO one kind and when Volatile Organic Compounds (VOCs) concentration became high, can have the efficiency of adjusting heat recovery volume or concentration, makes organic waste gas when handling, can prevent that direct combustion formula burns burning furnace (TO) can not take place the phenomenon of excess temperature because of the furnace temperature is too high, leads TO the situation of shutting down TO take place even, and is applicable TO the organic waste gas processing system or the similar equipment of semiconductor industry, photoelectricity industry or the relevant industry of chemistry.

Background

At present, volatile organic gases (VOC) are generated in the manufacturing process of semiconductor industry or photoelectric industry, so that processing equipment for processing the VOC is installed in each factory to prevent the VOC from being directly discharged into the air to cause air pollution.

However, in recent years, much attention is paid to air pollution at home and abroad, so that relevant air quality standards are established on the emission standards of chimneys, and the air pollution is developed according to the international regulation trend and is examined on a periodic basis.

Therefore, in view of the above-mentioned drawbacks, the present invention provides an energy-saving single-runner cold-side bypass over-temperature control system with improved organic waste gas treatment efficiency, which enables users to easily operate and assemble the system, and is intended to provide convenience for users.

SUMMERY OF THE UTILITY MODEL

The main purpose of the utility model is to provide an energy-saving single-runner cold-side bypass over-temperature control system, which is mainly used for an organic waste gas treatment system, and is provided with a direct-fired incinerator (TO), a first heat exchanger, a second heat exchanger, a first cold-side delivery pipe, an adsorption runner and a chimney, and a cold side proportion air door is additionally arranged between the desorption concentrated gas pipeline and the first cold side conveying pipeline or on the desorption concentrated gas pipeline, therefore, when the concentration of Volatile Organic Compounds (VOCs) becomes high, the air quantity can be regulated and controlled through the cold-side proportional air door, the device has the effect of adjusting the heat recovery quantity or concentration, so that when organic waste gas is treated, the direct-fired incinerator (TO) can be prevented from generating an over-temperature phenomenon due TO too high incinerator temperature and even causing shutdown, and the overall practicability is further improved.

Another objective of the present invention is to provide an energy-saving single-runner cold-side bypass over-temperature control system, which comprises a cold-side proportional air door installed between the concentrated desorption gas pipeline and the first cold-side transport pipeline, when the concentration of Volatile Organic Compounds (VOCs) in the first cold-side transport pipeline becomes high, the concentrated desorption gas in the concentrated desorption gas pipeline can be transported to the first cold-side transport pipeline through the cold-side proportional air door, so that the concentrated desorption gas in the first cold-side transport pipeline can be mixed with the concentrated desorption gas in the concentrated desorption gas pipeline again, the concentrated desorption gas in the concentrated desorption gas pipeline with a lower temperature can be cooled by the concentrated desorption gas in the first cold-side transport pipeline with a higher temperature, thereby having the effect of adjusting the heat recovery amount or the concentration, so that the organic waste gas is treated, the direct-fired incinerator (TO) can be prevented from generating an over-temperature phenomenon caused by too high incinerator temperature and even causing shutdown, and further the whole usability is increased.

The utility model discloses a further purpose, in providing an energy-saving single runner cold side bypass excess temperature control system, through add a cold side proportion air door on this desorption concentrated gas pipeline, and the other end of cold side proportion air door supplies the outer gas to get into, wherein the outer gas can be fresh air or other gas, with when the desorption produced concentrated gas in the desorption district by this absorption runner after getting into the desorption concentrated gas pipeline, and the temperature in the desorption concentrated gas pipeline becomes higher or when concentration becomes higher, the other end of this cold side proportion air door of accessible inputs the outer gas and adjusts, the concentrated gas of desorption in messenger's desorption concentrated gas pipeline can reach the effect of cooling or the effect that concentration reduces, and then increase holistic operability.

In order to further understand the features, characteristics and technical contents of the present invention, please refer to the following detailed description and the accompanying drawings, which are only used for reference and illustration, and are not used to limit the present invention.

Drawings

Fig. 1 is a schematic diagram of a system architecture in which a first heat exchanger is disposed on the right side of a second heat exchanger according to the present invention.

Fig. 2 is a schematic diagram of a system structure in which the first heat exchanger is disposed on the left side of the second heat exchanger according to the present invention.

Fig. 3 is a schematic diagram of another system configuration of the first heat exchanger disposed on the right side of the second heat exchanger according to the present invention.

Fig. 4 is a schematic diagram of another system configuration of the present invention in which the first heat exchanger is disposed on the left side of the second heat exchanger.

Reference numerals:

10: direct-fired incinerators (TO); 101: a furnace end; 102: a hearth; 11: an inlet; 12: an outlet; 20: a first heat exchanger; 21: a first cold-side pipe; 22: a first hot side duct; 23: a first cold-side transfer line; 30: a second heat exchanger; 31. a second cold-side pipe; 32. a second hot side duct; 60: an adsorption rotating wheel; 601: an adsorption zone; 602: a cooling zone; 603: a desorption zone; 61: an exhaust gas inlet line; 611: an exhaust gas communication line; 6111: the waste gas is communicated with a control valve; 62: a clean gas discharge line; 621: a clean gas communication pipeline; 6211: a control valve is communicated with the purified gas; 63: a cooling gas inlet line; 64: a cooling gas delivery line; 65: a hot gas delivery line; 66: a concentrated gas desorption pipeline; 661: a fan; 80: a chimney; 901: a cold side proportional damper; 904: the cold side proportional damper.

Detailed Description

Referring to fig. 1 to 4, fig. 1 to 4 are schematic views of an embodiment of the present invention. The best mode of the energy-saving single-runner cold-side bypass over-temperature control system of the present invention is applied TO the volatile organic waste gas treatment system or the like in the semiconductor industry, the photoelectric industry or the chemical industry, mainly, when the concentration of Volatile Organic Compounds (VOCs) becomes high, the system can have the efficiency of adjusting the heat recovery amount or concentration, so that when organic waste gas is treated, the system can prevent the direct-fired incinerator (TO) from over-temperature due TO too high furnace temperature, even causing the shutdown.

The energy-saving single-runner cold-side bypass over-temperature control system of the present invention mainly includes a combination design of a direct-fired incinerator (TO)10, a first heat exchanger 20, a second heat exchanger 30, a first cold-side transport pipeline 23, an adsorption runner 60 and a chimney 80 (as shown in fig. 1 and 4), wherein the first heat exchanger 20 is provided with a first cold-side pipeline 21 and a first hot-side pipeline 22, and the second heat exchanger 30 is provided with a second cold-side pipeline 31 and a second hot-side pipeline 32. The direct-fired incinerator (TO)10 is provided with a furnace end 101 and a furnace chamber 102, the furnace end 101 is communicated with the furnace chamber 102, the first heat exchanger 20 and the second heat exchanger 30 are respectively arranged in the furnace chamber 102 of the direct-fired incinerator (TO)10, the direct-fired incinerator (TO)10 is provided with an inlet 11 and an outlet 12 (as shown in fig. 1 and 4), the inlet 11 is arranged at the furnace end 101, the merging port 11 is connected with one end of the first cold-side pipeline 21 of the first heat exchanger 20, the outlet 12 is arranged at the furnace chamber 102, and the outlet 12 is connected TO the chimney 80, so that organic waste gas can enter the furnace end 101 from the inlet 11 for combustion, and combusted gas can pass through the furnace chamber 102 and be discharged TO the chimney 80 from the outlet 12 for emission, thereby having the energy-saving effect.

The first heat exchanger 20 has two embodiments, wherein the first heat exchanger 20 is disposed at the right side of the second heat exchanger 30 (as shown in fig. 1 and 3), so that the burner 101 of the direct combustion incinerator (TO)10 can firstly convey the incinerated high-temperature gas TO one side of the second hot-side pipeline 32 of the second heat exchanger 30 for heat exchange, then convey the incinerated high-temperature gas TO one side of the first hot-side pipeline 22 of the first heat exchanger 20 for heat exchange from one side of the second hot-side pipeline 32 of the second heat exchanger 30, finally convey the incinerated high-temperature gas TO the outlet 12 of the furnace 102 from one side of the first hot-side pipeline 22 of the first heat exchanger 20 (as shown in fig. 1 and 2), and convey the incinerated high-temperature gas TO the chimney 80 from the outlet 12 of the furnace 102 for emission through the chimney 80.

In the second embodiment, the first heat exchanger 20 is disposed at the left side of the third heat exchanger 40 (as shown in fig. 2 and 4), so that the burner 101 of the direct combustion incinerator (TO)10 can firstly deliver the burnt high-temperature gas TO the side of the first hot-side pipeline 22 of the first heat exchanger 20 for heat exchange, and then deliver the burnt high-temperature gas TO the side of the second hot-side pipeline 32 of the second heat exchanger 30 for heat exchange from the side of the first hot-side pipeline 22 of the first heat exchanger 20, and then deliver the burnt high-temperature gas TO the outlet 12 of the furnace 102 from the side of the second hot-side pipeline 32 of the second heat exchanger 30 (as shown in fig. 3 and 4), and then deliver the burnt high-temperature gas TO the chimney 80 from the outlet 12 of the furnace 102 for discharge through the chimney 80.

The utility model discloses an adsorb runner 60 and be equipped with adsorption zone 601, cooling space 602 and desorption district 603, adsorb runner 60 and be connected with a waste gas inlet line 61, a net gas emission pipeline 62, a cooling gas inlet line 63, a cooling gas conveying line 64, a steam conveying line 65 and a desorption concentrated gas pipeline 66 (as shown in fig. 1 and fig. 4). Wherein the adsorption rotor 60 is a zeolite concentration rotor or a concentration rotor made of other materials.

Wherein one end of the waste gas inlet pipe 61 is connected to one side of the adsorption region 601 of the adsorption rotor 60, so that the waste gas inlet pipe 61 can convey the organic waste gas to one side of the adsorption region 601 of the adsorption rotor 60, one end of the net gas discharge pipe 62 is connected to the chimney 80, and the net gas discharge pipe 62 is provided with a fan 621 (as shown in fig. 3 and 4), so that the adsorbed gas in the net gas discharge pipe 62 can be pushed and pulled into the chimney 80 by the fan 621 for discharge.

One side of the cooling region 602 of the sorption rotor 60 is connected to the cooling gas inlet conduit 63 for the gas to enter the cooling region 602 of the sorption rotor 60 for cooling (as shown in figures 1 and 4), and one side of the cooling zone 602 of the sorption rotor 60 is connected to one end of the cooling gas delivery pipe 64, one end of the cooling gas delivery pipe 64 is connected to one end of the second cold-side pipe 31 of the second heat exchanger 30, so that the gas entering the cooling zone 602 of the adsorption rotor 60 is transferred to the second heat exchanger 30 for heat exchange (as shown in fig. 1 and 4), and one end of the hot gas transfer line 65 is connected to one side of the desorption zone 603 of the adsorption rotor 60, and one end of the hot gas delivery line 65 is connected to one end of the second cold side line 31 of the second heat exchanger 30, the high-temperature hot gas heat-exchanged by the second heat exchanger 30 can be transferred to the desorption region 603 of the adsorption rotor 60 through the hot gas transfer line 65 for desorption.

The cooling region 602 of the sorption rotor 60 has two embodiments, wherein in the first embodiment, the cooling air inlet line 63 connected to one side of the cooling region 602 of the sorption rotor 60 is used for introducing fresh air or outside air (as shown in fig. 1), and the cooling region 602 of the sorption rotor 60 is provided by the fresh air or the outside air for cooling. The exhaust gas inlet pipe 61 of the second embodiment is provided with an exhaust gas communication pipe 611, one end of the exhaust gas communication pipe 611 is connected to the cooling gas inlet pipe 63 (as shown in fig. 2 and 4) so as to convey the exhaust gas in the exhaust gas inlet pipe 61 to the cooling zone 602 of the sorption rotor 60 for cooling through the exhaust gas communication pipe 611, and the exhaust gas communication pipe 611 is provided with an exhaust gas communication control valve 6111 so as to control the air volume of the exhaust gas communication pipe 611.

One end of the desorption concentrated gas pipe 66 is connected TO one side of the desorption zone 603 of the adsorption rotor 60, and one end of the desorption concentrated gas pipe 66 is connected TO one end of the first cold-side pipe 21 of the first heat exchanger 20, wherein one end of the first cold-side pipe 21 of the first heat exchanger 20 is connected TO one end of the first cold-side transfer pipe 23, and one end of the first cold-side transfer pipe 23 is connected TO the inlet 11 of the direct combustion type incinerator (TO)10, so that the desorption concentrated gas desorbed at a high temperature can be transferred TO one end of the first cold-side pipe 21 of the first heat exchanger 20 through the desorption concentrated gas pipe 66, and transferred TO the inlet 11 of the direct combustion type incinerator (TO)10 from one end of the first cold-side pipe 21 of the first heat exchanger 20 (as shown in fig. 1 and 4), so that the burner 101 of the direct combustion type incinerator (TO)10 can be pyrolyzed, so that volatile organic compounds can be reduced. The concentrated desorption gas line 66 is provided with a fan 661 to push and pull the concentrated desorption gas into one end of the first cold-side line 21 of the first heat exchanger 20.

Furthermore, the energy-saving single-runner cold-side bypass over-temperature control system of the present invention mainly has two embodiments, and the direct-fired incinerator (TO)10, the first heat exchanger 20, the second heat exchanger 30, the first cold-side delivery pipe 23, the adsorption runner 60 and the chimney 80 in the two embodiments are designed in the same way, so that the contents of the direct-fired incinerator (TO)10, the first heat exchanger 20, the second heat exchanger 30, the first cold-side delivery pipe 23, the adsorption runner 60 and the chimney 80 are not repeated, please refer TO the above description.

The difference of the first embodiment (as shown in fig. 1 and fig. 2) is that a cold-side proportion damper 901 is additionally arranged between the desorption concentrated gas pipeline 66 and the first cold-side conveying pipeline 23, one end of the cold-side proportion damper 901 is connected with the desorption concentrated gas pipeline 66, and one end of the cold-side proportion damper 901 is connected with the first cold-side conveying pipeline 23, so as to regulate and control the air volume of the desorption concentrated gas pipeline 66 and the first cold-side conveying pipeline 23 through the cold-side proportion damper 901, therefore, when the concentration of Volatile Organic Compounds (VOCs) in the first cold-side conveying pipeline 23 becomes high, part of the desorption concentrated gas in the desorption concentrated gas pipeline 66 can be conveyed into the first cold-side conveying pipeline 23 through the cold-side proportion damper 901, so that the desorption concentrated gas in the first cold-side conveying pipeline 23 can be mixed with part of the desorption concentrated gas in the desorption gas pipeline 66 again, the temperature of the concentrated desorption gas in the concentrated desorption gas pipeline 66 can be reduced by the concentrated desorption gas in the first cold side conveying pipeline 23, so that when the concentration of Volatile Organic Compounds (VOCs) is increased, the air volume can be regulated and controlled by the cold side proportion air door 901, the heat recovery amount or concentration can be regulated, and the direct-fired incinerator (TO)10 can be prevented from being over-heated due TO too high incinerator temperature and even being shut down when organic waste gas is treated.

The difference of the second embodiment (as shown in fig. 3 and fig. 4) is that a cold-side proportional damper 904 is added to the desorption concentrated gas pipeline 66, and one end of the cold-side proportional damper 904 is provided for the entry of external air, wherein the external air may be fresh air or other gas, so as to regulate the air volume of the desorption concentrated gas pipeline 66 through the cold-side proportional damper 904. In addition, when the desorption/concentration gas pipeline 66 is provided with the fan 661, the cold-side proportional damper 904 is provided upstream of the fan 661, i.e. at the inlet of the fan 661, so as to form a negative pressure state, so that the external air can enter through the cold-side proportional damper 904. Therefore, when the desorption concentrated gas generated by the desorption zone 603 of the adsorption rotor 60 enters the desorption concentrated gas pipeline 66 and the temperature or the concentration in the desorption concentrated gas pipeline 66 becomes higher, the temperature of the desorption concentrated gas can be adjusted by inputting the external air through one end of the cold-side proportional air door 904, so that the desorption concentrated gas in the desorption concentrated gas pipeline 66 can achieve the effect of reducing the temperature or the concentration.

From the foregoing detailed description, it will be apparent to those skilled in the art that the present invention achieves the objects and meets the requirements of the patent statutes.

The above description is only an optional embodiment of the present invention, and the scope of the present invention can not be limited thereby, so that the claims and the contents of the appended claims should be interpreted as falling within the scope of the present invention.

Claims

1. An energy-saving single runner cold side bypass over-temperature control system, characterized by comprising:

the direct-fired incinerator (TO) is provided with a furnace end and a hearth, the furnace end is communicated with the hearth, the direct-fired incinerator (TO) is provided with an inlet and an outlet, the inlet is arranged at the furnace end, and the outlet is arranged at the hearth;

a first heat exchanger, arranged in the furnace of the direct-fired incinerator (TO), provided with a first cold-side pipeline and a first hot-side pipeline;

a second heat exchanger, arranged in the furnace chamber of the direct-fired incinerator (TO), provided with a second cold-side pipeline and a second hot-side pipeline;

a first cold side transfer pipe having one end connected TO the other end of the first cold side pipe, the other end of the first cold side transfer pipe being connected TO an inlet of the direct combustion incinerator (TO);

the adsorption rotating wheel is provided with an adsorption area, a cooling area and a desorption area, the adsorption rotating wheel is connected with a waste gas inlet pipeline, a clean gas discharge pipeline, a cooling gas inlet pipeline, a cooling gas conveying pipeline, a hot gas conveying pipeline and a desorption concentrated gas pipeline, one end of the waste gas inlet pipeline is connected to one side of the adsorption area of the adsorption rotating wheel, one end of the clean gas discharge pipeline is connected with the other side of the adsorption area of the adsorption rotating wheel, one end of the cooling gas inlet pipeline is connected with one side of the cooling area of the adsorption rotating wheel, one end of the cooling gas conveying pipeline is connected with the other side of the cooling area of the adsorption rotating wheel, the other end of the cooling gas conveying pipeline is connected with one end of a second cold side pipeline of the second heat exchanger, and one end of the hot gas conveying pipeline is connected with the other side of the desorption area of the adsorption rotating wheel, the other end of the hot gas conveying pipeline is connected with the other end of a second cold side pipeline of the second heat exchanger, one end of the desorption concentrated gas pipeline is connected with one side of a desorption area of the adsorption rotating wheel, and the other end of the desorption concentrated gas pipeline is connected with one end of a first cold side pipeline of the first heat exchanger;

the other end of the purified gas discharge pipeline is connected with the chimney; and

and one end of the cold side proportion air door is connected with the desorption concentrated gas pipeline, and the other end of the cold side proportion air door is connected with the first cold side conveying pipeline.

2. An energy-saving single runner cold side bypass over-temperature control system, characterized by comprising:

and one end of the cold side proportion air door is connected with the desorption concentrated gas pipeline, and the other end of the cold side proportion air door is used for allowing external air to enter.

3. Energy-saving single-runner cold-side bypass over-temperature control system according TO claim 1 or 2, characterized in that the outlet of the direct-fired incinerator (TO) is further connected TO the chimney.

4. The economized single-spool cold-side bypass over-temperature control system as claimed in claim 1 or 2 wherein said cooling air intake conduit is further accessible for fresh or outside air.

5. The energy-saving single-runner cold-side bypass over-temperature control system as claimed in claim 1 or 2, wherein the exhaust gas inlet pipeline is further provided with an exhaust gas communication pipeline, the exhaust gas communication pipeline is connected with the cooling gas inlet pipeline, and the exhaust gas communication pipeline is further provided with an exhaust gas communication control valve to control the air volume of the exhaust gas communication pipeline.

6. The energy-saving single-runner cold-side bypass over-temperature control system as claimed in claim 1 or 2, wherein the desorption concentrated gas pipeline is further provided with a fan.

7. The economized single-spool cold-side bypass over-temperature control system as claimed in claim 1 or 2, wherein said purge gas discharge line is further provided with a fan.