CN212132471U

CN212132471U - Catalytic combustion equipment

Info

Publication number: CN212132471U
Application number: CN202020606297.7U
Authority: CN
Inventors: 姚振中; 雷坤; 刘程彪
Original assignee: Guangdong Qinglan Environmental Protection Technology Co ltd
Current assignee: Guangdong Qinglan Environmental Protection Technology Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-12-11
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a catalytic combustion equipment, when equipment uses, use two adsorption tanks therein, another adsorption tank is reserve, waste gas is up to standard after adsorbing in the adsorption tank and discharges, when the pipeline concentration of giving vent to anger reaches the setting value, two work valves on the reserve adsorption tank are opened, the work valve on the adsorption tank that reaches the setting value is closed, two corresponding desorption valves are opened, desorption system starts to regenerate the active carbon that adsorbs the saturation, when VOCs concentration on two desorption pipelines reaches the setting low limit value, desorption system stops working, the desorption valve on the adsorption tank is closed, this adsorption tank enters the stand-by state, when another adsorption tank reaches the saturation, open the work valve of the adsorption tank that has regenerated this case and enter the working state, the adsorption tank that has saturated gets into the desorption regeneration state, cycle according to this, so the whole equipment just can steady operation under the state that does not shut down, the maintenance of the waste gas treatment equipment is ensured without stopping production in a production workshop.

Description

Catalytic combustion equipment

Technical Field

The utility model relates to an industrial combustion exhaust-gas treatment equipment technical field specifically is a catalytic combustion equipment.

Background

Waste gas refers to the general name of various pollutant-containing gases discharged into the air in the process of fuel combustion and production in the factory area of an enterprise. These exhaust gases are: carbon dioxide, carbon disulfide, hydrogen sulfide, fluorides, nitrogen oxides, chlorine, hydrogen chloride, carbon monoxide, lead mercury (mist) sulfate, beryllium compounds, smoke dust and productive dust, which are discharged into the atmosphere and pollute the air. The substances enter human bodies through different paths of respiratory tracts, some substances directly cause harm, and some substances have an accumulation effect and can seriously harm the health of people.

Volatile organic waste gases, commonly referred to as VOCs, are also a type of waste gas. VOCs (volatile organic compounds) are, by definition of the World Health Organization (WHO), various organic compounds having a boiling point of 50 ℃ to 260 ℃ at ambient temperature. In China, VOCs refer to organic compounds with saturated vapor pressure of more than 70Pa at normal temperature and boiling point of below 260 ℃ at normal pressure, or all organic compounds with vapor pressure of more than or equal to 10Pa and volatility at 20 ℃. Volatile organic waste gas also is one of waste gas, and organic waste gas is in order to carry out strict processing when discharging, and current mill generally adopts solitary adsorption equipment to handle the organic waste gas in the pipeline, will cause the deposit of adsorption equipment inner wall impurity too many like this, influences subsequent adsorption effect, so need often overhaul the maintenance, overhauls the maintenance and just need shut down the production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a catalytic combustion equipment possesses just can handle waste gas under the state of not shutting down, avoids the workshop advantage of the shut down condition to appear, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a catalytic combustion device comprises a filter, an air inlet pipeline, an adsorption box, an air outlet pipeline, a first desorption pipeline and a second desorption pipeline, wherein a filter element is installed on the inner side of the filter, the air inlet pipeline is installed at the output end of the filter, the top surface of the air inlet pipeline is connected with the adsorption box through a pipeline, the top end of the adsorption box is connected with the air outlet pipeline, the adsorption box comprises a first communicating pipe, a second communicating pipe, an active adsorption frame, an on-box desorption valve, an on-box working valve, an under-box desorption valve, an under-box working valve and a box body, the on-box working valve is installed on the first communicating pipe, the bottom end of the first communicating pipe is communicated with the air inlet pipeline, the top end of the first communicating pipe is communicated with the box body, the active adsorption frame, the on-box desorption valve and the under-box desorption valve are installed on the top end of the box body, the on-box working valve is installed on the second, the delivery pipe is connected to the one end of pipeline of giving vent to anger, the system fan is installed to the bottom of delivery pipe, and the delivery pipe still communicates first desorption pipeline and second desorption pipeline through the pipeline, and first desorption pipeline and second desorption pipeline all communicate with the adsorption tank, and first desorption pipeline and second desorption pipeline all are connected with desorption fan and catalytic combustion furnace, install the spark arrester on the connecting tube that desorption fan and catalytic combustion furnace.

Preferably, the adsorption tanks are three in total and are sequentially arranged.

Preferably, the joint of the adsorption box and the gas outlet pipeline is provided with a VOCs concentration detection probe.

Preferably, the first desorption pipeline runs through the second communicating pipe, and the tail end of the first desorption pipeline is connected with the lower desorption valve of the tank.

Preferably, the second desorption pipeline runs through the first communication pipe, and the tail end of the second desorption pipeline is connected with the desorption valve on the box.

Preferably, the upper box desorption valve and the lower box desorption valve are respectively positioned at the upper end and the lower end of the active adsorption frame.

Preferably, VOCs concentration detection probes are installed on the first desorption pipeline and the second desorption pipeline.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the catalytic combustion equipment comprises three adsorption tanks, wherein the three adsorption tanks are sequentially arranged, when the equipment is used, two adsorption tanks are used, the remaining adsorption tank is standby, organic waste gas is adsorbed by an active adsorption frame in the adsorption tanks and then is discharged after reaching standards, when the concentration of an air outlet pipeline reaches a set value, two working valves on the standby adsorption tank are opened, the working valve on the adsorption tank reaching the set value is closed, the corresponding two desorption valves are opened, a desorption system is started to regenerate the activated carbon with saturated adsorption, when the concentration of VOCs on the two desorption pipelines reaches a set low limit value, the desorption system stops working, the desorption valve on the adsorption tank is closed, the adsorption tank enters a standby state, when the other adsorption tank reaches saturation, the working valve of the regenerated adsorption tank is opened, and the adsorption tank enters a working state, the saturated adsorption box enters a desorption regeneration state, and the desorption regeneration state is circulated, so that the whole set of equipment can stably run without shutdown, and the waste gas treatment equipment is ensured to be maintained without shutdown in a production workshop.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic top view of the overall structure of the present invention;

FIG. 3 is a schematic view of the connection of the adsorption tank of the present invention;

fig. 4 is a schematic view of the structure of the adsorption box of the present invention.

In the figure: 1. a filter; 2. an air intake duct; 3. an adsorption tank; 31. a first communication pipe; 32. a second communicating pipe; 33. an active adsorption rack; 34. an on-tank desorption valve; 35. an upper tank working valve; 36. a lower tank desorption valve; 37. a lower tank working valve; 38. a box body; 4. an air outlet pipe; 5. a first desorption conduit; 6. a second desorption conduit; 7. a discharge pipe; 71. a system fan; 8. a desorption fan; 9. a catalytic combustion furnace.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a catalytic combustion apparatus comprises a filter 1, an air inlet pipe 2, adsorption tanks 3, an air outlet pipe 4, a first desorption pipe 5 and a second desorption pipe 6, a filter element is installed on the inner side of the filter 1, the air inlet pipe 2 is installed at the output end of the filter 1, the top surface of the air inlet pipe 2 is connected with the adsorption tanks 3 through pipes, the adsorption tanks 3 are three in number, the three adsorption tanks 3 are sequentially arranged, when the apparatus is used, two adsorption tanks 3 are preferentially used, the remaining adsorption tank 3 is reserved, the top end of the adsorption tank 3 is connected with the air outlet pipe 4, a VOCs concentration detection probe is installed at the connection part of the adsorption tanks 3 and the air outlet pipe 4, the VOCs concentration detection probe can detect the real-time pollution concentration of waste gas in the air outlet pipe 4, the adsorption tanks 3 comprises a first communication pipe 31, a second communication pipe 32, an active adsorption frame 33 and an on-tank, An upper tank working valve 35, a lower tank desorption valve 36, a lower tank working valve 37 and a tank body 38, wherein the lower tank working valve 37 is installed on a first communicating pipe 31, the bottom end of the first communicating pipe 31 is communicated with the air inlet pipeline 2, the top end of the first communicating pipe 31 is communicated with the tank body 38, an active adsorption frame 33, an upper tank desorption valve 34 and a lower tank desorption valve 36 are arranged on the inner side of the tank body 38, a second communicating pipe 32 is installed on the top end of the tank body 38, the upper tank working valve 35 is installed on the second communicating pipe 32, the upper end and the lower end of the second communicating pipe 32 are respectively communicated with the air outlet pipeline 4 and the tank body 38, one end of the air outlet pipeline 4 is connected with a discharge pipe 7, a system fan 71 is installed at the bottom end of the discharge pipe 7, the discharge pipe 7 is also communicated with the first desorption pipeline 5 and the second desorption pipeline 6 through pipelines, VOCs concentration detection probes are installed on the first desorption pipeline 5 and the second desorption pipeline 6, and the VOCs concentration detection probes can detect the real-, the first desorption pipeline 5 and the second desorption pipeline 6 are both communicated with the adsorption tank 3, the first desorption pipeline 5 penetrates through the second communicating pipe 32, the lower tail end of the first desorption pipeline 5 is connected with the lower box desorption valve 36, the second desorption pipeline 6 penetrates through the first communicating pipe 31, the upper tail end of the second desorption pipeline 6 is connected with the upper box desorption valve 34, the upper box desorption valve 34 and the lower box desorption valve 36 are respectively positioned at the upper end and the lower end of the active adsorption frame 33, the desorption valves can absorb impurities precipitated by the active adsorption frame 33 when working, so that the subsequent adsorption capacity of the active adsorption frame 33 is ensured, the first desorption pipeline 5 and the second desorption pipeline 6 are both connected with the desorption fan 8 and the catalytic combustion furnace 9, the fire arrestor is arranged on the connecting pipeline between the desorption fan 8 and the catalytic combustion furnace 9, the impurities removed from the active adsorption frame 33 are transmitted to the catalytic combustion furnace 9 through the first desorption pipeline 5 and the second desorption pipeline 6, the catalytic combustion furnace 9 burns impurities.

The catalytic combustion equipment comprises a filter 1, an air inlet pipeline 2, adsorption tanks 3, an air outlet pipeline 4, a first desorption pipeline 5 and a second desorption pipeline 6, wherein filter elements are arranged on the inner side of the filter 1, waste gas enters the air inlet pipeline 2 after passing through the filter 1, the waste gas enters the adsorption tanks 3 through the air inlet pipeline 2, the adsorption tanks 3 are three in number, the three adsorption tanks 3 are sequentially arranged, namely, the working principle of the adsorption tanks 3 is dual-purpose, when the equipment is used, two adsorption tanks 3 are preferentially used, the rest one adsorption tank 3 is reserved, the top end of the adsorption tank 3 is connected with the air outlet pipeline 4, VOCs concentration detection probes are arranged at the joint of the adsorption tanks 3 and the air outlet pipeline 4, each adsorption tank 3 comprises a first communicating pipe 31, a second communicating pipe 32, an active adsorption frame 33, an upper tank desorption valve 34, an upper tank working valve 35, a lower tank desorption valve 36, a lower tank working valve 37 and a tank body 38, the discharge pipe 7 is also communicated with a first desorption pipeline 5 and a second desorption pipeline 6 through pipelines, the adsorption box 3 is communicated with the first desorption pipeline 5 and the second desorption pipeline 6, VOCs concentration detection probes are mounted on the two desorption pipelines, and impurities precipitated by the active adsorption rack 33 can be adsorbed away when the desorption valve works, so that the subsequent adsorption capacity of the active adsorption rack 33 is ensured, the impurities removed from the active adsorption rack 33 are transmitted to the catalytic combustion furnace 9 through the first desorption pipeline 5 and the second desorption pipeline 6, and the impurities are combusted by the catalytic combustion furnace 9; wherein organic waste gas enters two of the three adsorption tanks 3 after passing through the filter 1, the remaining one adsorption tank 3 is reserved, the organic waste gas is discharged after reaching the standard after passing through the adsorption of the active adsorption frame 33 in the adsorption tank 3, when the concentration detection probe for detecting the concentration of VOCs arranged at the joint of the adsorption tank 3 and the gas outlet pipeline 4 detects that the concentration reaches a set value, two working valves on the reserved adsorption tank 3 are opened, the working valve on the adsorption tank 3 reaching the set value is closed, the corresponding two desorption valves are opened, the desorption fan 8 and the catalytic combustion furnace 9 are started to regenerate the active carbon with saturated adsorption, when the concentration of VOCs on the two desorption pipelines reaches a set low limit value, the desorption fan 8 and the catalytic combustion furnace 9 stop working, the desorption fan 8 and the catalytic combustion furnace 9 can be regarded as a desorption system, the desorption valve on the adsorption tank 3 is closed, the adsorption tank 3 enters a reserved state, when the other, the regenerated adsorption tank 3 is opened, the tank enters a working state, the saturated adsorption tank 3 enters a desorption regeneration state, and the operation is repeated, so that the whole set of equipment can stably operate without shutdown, and the waste gas treatment equipment is ensured to be maintained without shutdown in a production workshop.

In summary, the following steps: in the catalytic combustion equipment, waste gas enters an adsorption tank 3 through an air inlet pipeline 2, the adsorption tanks 3 are provided with three, the three adsorption tanks 3 are sequentially arranged, when the equipment is used, two adsorption tanks 3 are used, the remaining adsorption tank 3 is reserved, organic waste gas is adsorbed by an active adsorption frame 33 in the adsorption tank 3 and then reaches the standard and is discharged, when the concentration of an air outlet pipeline 4 reaches a set value, two working valves on the reserved adsorption tanks 3 are opened, the working valve on the adsorption tank 3 reaching the set value is closed, the corresponding two desorption valves are opened, a desorption system is started to regenerate the activated carbon with saturated adsorption, when the concentration of VOCs on the two desorption pipelines reaches a set low limit value, the desorption system stops working, the desorption valve on the adsorption tank 3 is closed, the adsorption tank 3 enters a standby state, when the other adsorption tank 3 reaches saturation, the working valve of the regenerated adsorption tank 3 is opened, and the tank enters a working state, the saturated adsorption box 3 enters a desorption regeneration state, and the process is circulated, so that the whole set of equipment can stably run without shutdown, and the waste gas treatment equipment is ensured to be maintained without shutdown in a production workshop.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a catalytic combustion equipment, includes filter (1), admission line (2), adsorption tank (3), outlet duct (4), first desorption pipeline (5) and second desorption pipeline (6), its characterized in that: the filter core is installed to the inboard of filter (1), and admission line (2) are installed to the output of filter (1), and the top surface of admission line (2) passes through pipe connection adsorption tank (3), gas outlet pipe (4) are connected on the top of adsorption tank (3), and adsorption tank (3) include first communicating pipe (31), second communicating pipe (32), active adsorption frame (33), case on desorption valve (34), case on work valve (35), case under desorption valve (36), case under work valve (37) and box (38), install case under work valve (37) on first communicating pipe (31), the bottom and admission line (2) of first communicating pipe (31) communicate, the top and box (38) intercommunication of first communicating pipe (31), the inboard of box (38) is equipped with active adsorption frame (33), case on desorption valve (34) and case under desorption valve (36), the second communicating pipe (32) is installed on the top end of the box body (38), the working valve (35) is installed on the installation box on the second communicating pipe (32), the upper end and the lower end of the second communicating pipe (32) are respectively communicated with the gas outlet pipeline (4) and the box body (38), one end of the gas outlet pipeline (4) is connected with the discharge pipe (7), the bottom end of the discharge pipe (7) is provided with the system fan (71), the discharge pipe (7) is further communicated with the first desorption pipeline (5) and the second desorption pipeline (6) through pipelines, the first desorption pipeline (5) and the second desorption pipeline (6) are both communicated with the adsorption box (3), the first desorption pipeline (5) and the second desorption pipeline (6) are both connected with the desorption fan (8) and the catalytic combustion furnace (9), and the flame arrestor is installed on the connection pipeline of the desorption fan (8) and the catalytic combustion furnace (.

2. A catalytic combustion unit according to claim 1, wherein: the adsorption tanks (3) are three in number, and the three adsorption tanks (3) are arranged in sequence.

3. A catalytic combustion unit according to claim 1, wherein: VOCs concentration detection probe is installed to the junction of adsorption tank (3) and outlet duct (4).

4. A catalytic combustion unit according to claim 1, wherein: the first desorption pipeline (5) penetrates through the second communicating pipe (32), and the tail end of the first desorption pipeline (5) is connected with the lower desorption valve (36) of the box.

5. A catalytic combustion unit according to claim 1, wherein: the second desorption pipeline (6) penetrates through the first communication pipe (31), and the tail end of the second desorption pipeline (6) is connected with the upper desorption valve (34) of the box.

6. A catalytic combustion unit according to claim 1, wherein: the upper box desorption valve (34) and the lower box desorption valve (36) are respectively positioned at the upper end and the lower end of the active adsorption frame (33).

7. A catalytic combustion unit according to claim 1, wherein: VOCs concentration detection probes are mounted on the first desorption pipeline (5) and the second desorption pipeline (6).