CN212236596U

CN212236596U - On-line measuring device based on active carbon adsorption administers VOCs

Info

Publication number: CN212236596U
Application number: CN201921736659.8U
Authority: CN
Inventors: 叶波; 戴启波; 张志雨; 张正东
Original assignee: Tianneng Carbon Jiangsu Co Ltd
Current assignee: Tianneng Carbon Jiangsu Co Ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-12-29
Anticipated expiration: 2029-10-16

Abstract

The utility model relates to an on-line measuring device based on active carbon adsorption administers VOCs, VOCs waste gas gets into the spray cooling unit after dust filter unit removes dust, and the spray cooling unit takes away the particle in the waste gas on the one hand through spraying water smoke, and on the other hand absorbs the heat that the waste gas carried to reduce the waste gas temperature, make waste gas keep appropriate humiture and get into the adsorption detection unit, be convenient for the absorption of VOCs waste gas; the utility model is characterized in that the outer end of the infrared heating pipe is connected with a temperature sensor, the temperature sensor monitors the temperature in real time, when the temperature is too high, the controller controls the LED alarm lamp to send out an alarm sound to remind the operator to reduce the temperature to prevent the adsorption material from being damaged by high temperature and influence the adsorption effect of the adsorption material; the utility model is provided with a VOCs detector in the gas collecting box for detecting whether the VOCs value in the gas collecting box reaches the emission standard; the utility model discloses a set up infrared heating pipe in the active carbon adsorption layer to set up the temperature-sensing ware, but the heating temperature of accurate control active carbon, thereby can spout into vapor and liquefaction VOCs according to the change accuracy of temperature, guarantee that the loss of active carbon adsorption capacity is lower.

Description

On-line measuring device based on active carbon adsorption administers VOCs

Technical Field

The utility model relates to an organic waste gas handles the field, concretely relates to administer VOCs's on-line measuring device based on activated carbon adsorption.

Background

VOCs are volatile organic compounds with boiling points of 50-260 ℃ and saturated vapor pressure of over 133.3Pa at room temperature, and have great harm to human health and ecological environment. The existing VOCs treatment technology comprises two major types of destruction and recycling, wherein the recycling technology is widely applied due to simple process, good economy and relative maturity, and the principle of the technology is that activated carbon is adopted to fully adsorb VOCs, after adsorption saturation, the VOCs adsorbed on the activated carbon are desorbed, and then condensation liquefaction is carried out to realize recycling.

Most of the existing VOCs adsorption devices can only simply perform adsorption, desorption and condensation processes, so that the VOCs recovery rate is not high, and the temperature control in the activated carbon desorption process is not accurate enough, so that the adsorption capacity after the activated carbon high-temperature regeneration is seriously reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an on-line measuring device based on VOCs is administered in active carbon adsorption to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an on-line measuring device based on VOCs is administered in active carbon adsorption, includes from a left side to the right dust filter unit that communicates in proper order, sprays cooling unit and absorption detecting element, the dust filter unit is the sack cleaner, it includes the scrubbing tower to spray cooling unit, the scrubbing tower passes through intake pipe and sack cleaner intercommunication, it includes the adsorption tower to adsorb detecting element, the adsorption tower with the scrubbing tower passes through the outlet duct intercommunication.

Preferably, an air inlet pipe is fixed on one side of the washing tower, a packing layer is fixed in the washing tower, and a water spray head is arranged above the packing layer.

Preferably, a defogging layer is fixed at the top in the washing tower, an air outlet pipe is fixed at the top of the washing tower, a water storage tank is arranged at the bottom of one side of the washing tower, a water pump is fixed at the top of the water storage tank, the water pump is fixedly connected with a water pipe, and the water pipe is fixedly connected with a water spraying head.

Preferably, be provided with the gas shunt in the adsorption tower, the gas shunt is located one side of adsorption tower, the gas shunt is with the outlet duct intercommunication to evenly be equipped with a plurality of exhaust holes on the gas shunt, the metal mesh screen is installed to exhaust hole department.

Preferably, a plurality of activated carbon adsorption layers are uniformly arranged in the adsorption tower from front to back, infrared heating pipes are installed in the activated carbon adsorption layers, and the outer end of one infrared heating pipe is connected with a temperature sensor.

Preferably, the adsorption tower is further provided with a steam pipe outside, the steam pipe is provided with a plurality of airflow branch pipes, the airflow branch pipes are provided with regulating valves, and the pipe orifices of the airflow branch pipes extend into the adsorption tower and are arranged at intervals with the activated carbon adsorption layer.

Preferably, the pipe orifices of the airflow branch pipes are connected with the shunt pipes with two pins, the two pins are in a herringbone shape and respectively point to the surfaces of the activated carbon adsorption layers on two adjacent sides, and the bottom of the adsorption tower is also provided with a gas discharge port.

Preferably, the other side of the adsorption tower is communicated with a gas collecting box through an exhaust pipeline, a fan is arranged on the exhaust pipeline between the adsorption tower and the gas collecting box, a VOCs detector is arranged in the gas collecting box, and the VOCs detector is connected with the controller.

Compared with the prior art, the utility model relates to an on-line measuring device based on active carbon adsorption administers VOCs, VOCs waste gas gets into the spray cooling unit after dust filter unit removes dust, and the spray cooling unit takes away the particle in the waste gas on the one hand through spraying water smoke, and on the other hand absorbs the heat that the waste gas carried to reduce the waste gas temperature, make the waste gas keep appropriate humiture and get into the adsorption detection unit, be convenient for the absorption of VOCs waste gas; the utility model is characterized in that the outer end of the infrared heating pipe is connected with a temperature sensor, the temperature sensor monitors the temperature in real time, when the temperature is too high, the controller controls the LED alarm lamp to send out an alarm sound to remind the operator to reduce the temperature to prevent the adsorption material from being damaged by high temperature and influence the adsorption effect of the adsorption material; the utility model is provided with a VOCs detector in the gas collecting box for detecting whether the VOCs value in the gas collecting box reaches the emission standard; the utility model discloses a set up infrared heating pipe in the active carbon adsorption layer to set up the temperature-sensing ware, but the heating temperature of accurate control active carbon, thereby can spout into vapor and liquefaction VOCs according to the change accuracy of temperature, guarantee that the loss of active carbon adsorption capacity is lower.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

figure 1 is the utility model relates to a VOCs's on-line measuring device's schematic structure is administered based on active carbon adsorption.

In the figure: 1. a dust filtering unit; 2. a spraying cooling unit; 201. a washing tower; 202. an air inlet pipe; 203. a filler layer; 204. a demisting layer; 205. a sprinkler head; 206. a water pipe; 207. a water pump; 208. a water storage tank; 209. an air outlet pipe; 3. an adsorption detection unit; 301. an adsorption tower; 302. a steam pipe; 303. a gas collection box; 304. an activated carbon adsorption layer; 305. an infrared heating pipe; 306. a gas discharge port; 307. a gas splitter; 308. a temperature sensor; 309. a fan.

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, the present invention provides a technical solution: the utility model provides an on-line measuring device based on active carbon adsorption administers VOCs, include from a left side to the right dust filter unit 1 that communicates in proper order, spray cooling unit 2 and absorption detecting element 3, VOCs waste gas gets into after dust removal of dust filter unit 1 and sprays cooling unit 2, spray cooling unit 2 and take away the particle in the waste gas through spraying water smoke on the one hand, on the other hand absorbs the heat that waste gas carried, thereby reduce the exhaust gas temperature, make waste gas keep appropriate humiture to get into and adsorb detecting element 3.

In this embodiment the dust filter unit 1 is a bag-type dust collector, and can efficiently filter out solid substances with large particle sizes in the VOCs waste gas.

In this embodiment the spray cooling unit 2 includes a washing tower 201, one side of the washing tower 201 is fixed with an air inlet pipe 202, the washing tower 201 is communicated with a bag-type dust remover through the air inlet pipe 202, a packing layer 203 is fixed in the washing tower 201, a water spray head 205 is arranged above the packing layer 203, a demisting layer 204 is fixed at the top in the washing tower 201, an air outlet pipe 209 is fixed at the top end of the washing tower 201, a water storage tank 208 is arranged at the bottom of one side of the washing tower 201, a water pump 207 is fixed at the top of the water storage tank 208, the water pump 207 is fixedly connected with a water pipe 206, and the water pipe 206 is fixedly connected with.

In this embodiment adsorb detecting element 3 includes adsorption tower 301, be provided with gas splitter 307 in adsorption tower 301, gas splitter 307 is located one side of adsorption tower 301, gas splitter 307 and outlet duct 209 intercommunication to evenly be equipped with a plurality of exhaust holes on the gas splitter 307, metal mesh screen is installed to exhaust hole department, and gas splitter 307 can be used to dispersion VOCs waste gas, thereby prevents that VOCs waste gas from concentrating the discharge influence adsorption effect, and metal mesh screen can prevent in the outlet duct great particulate matter gets into the adsorption tower.

In this embodiment, a plurality of activated carbon adsorption layers 304 are uniformly arranged in the adsorption tower 301, infrared heating pipes 305 are installed in the activated carbon adsorption layers 304, the outer end of one infrared heating pipe 305 is connected with a temperature sensor 308, and the heating temperature of activated carbon in the activated carbon adsorption layers 304 can be accurately measured and controlled through the temperature sensor 308. The outside of adsorption tower 301 still is equipped with steam pipe 302, is equipped with a plurality of air current branch pipes on the steam pipe 302, installs the governing valve on the air current branch pipe, and the mouth of pipe of air current branch pipe stretches into in adsorption tower 301 and with active carbon adsorption layer 304 interval arrangement. The temperature sensor is connected with the controller, the controller is connected with the LED alarm lamp, and the LED alarm lamp is fixed on the adsorption tower 301.

The mouth of pipe of air current branch pipe in this embodiment all is connected with the shunt tubes of two pins, and two pins are "people" font, and the active carbon adsorption layer 304 surface of directional adjacent both sides respectively, and adsorption tower 301's bottom still is provided with gas discharge port 306, and gas discharge port 306 is used for steam and liquefied VOCs's emission, adsorption tower 301 with scrubbing tower 201 passes through outlet duct 209 intercommunication.

The other side of the adsorption tower 301 in this embodiment is communicated with a gas collection box 303 through an exhaust pipe, a fan 309 is arranged on the exhaust pipe between the adsorption tower 301 and the gas collection box 303, a VOCs detector is arranged in the gas collection box 303, and the VOCs detector is connected with a controller.

The utility model discloses during the use, the VOCs waste gas at first gets into dust filter unit 1, the great solid-state material of preliminary filtering particle diameter, then get into and spray cooling unit 2, subside through water smoke and further get rid of tiny granule, get into adsorption tower 301 at last, VOCs waste gas adsorbs on the activated carbon surface, collect by gas collecting box 303 after the absorption of multilayer activated carbon adsorption layer 304, VOCs detector in the gas collecting box 303 detects VOCs waste gas, and send testing result to the controller, after the numerical value that the VOCs detector detected surpassed emission standard numerical value, controller control LED alarm lamp sends the chimes of doom, remind operating personnel to carry out the secondary absorption operation to the VOCs waste gas of gas collecting box 303. The outer end of infrared heating pipe 305 is connected with temperature-sensing ware 308, carries out real time temperature monitoring through temperature-sensing ware 308, and when the temperature was too high, controller control LED alarm lamp sent the chimes of doom, reminds operating personnel to reduce the temperature and handles in order to prevent that high temperature harms the adsorption material, influences the adsorption efficiency of adsorption material. After the activated carbon adsorption layer 304 is saturated by adsorption, the infrared heating pipe 305 is controlled to heat the activated carbon, after the activated carbon is heated to 815 ℃, the regulating valve on the airflow branch pipe is opened, so that the steam in the steam pipe 302 is sprayed into the adsorption tower 301 and condenses the VOCs on the surface of the liquefied activated carbon, and finally the steam and the liquefied VOCs are discharged from the gas discharge port 306.

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 an on-line measuring device based on active carbon adsorption administers VOCs, includes from a left side to the right dust filter unit (1) that communicates in proper order, sprays cooling unit (2) and adsorbs detecting element (3), its characterized in that: dust filter unit (1) is the sack cleaner, it includes scrubbing tower (201) to spray cooling unit (2), scrubbing tower (201) are through intake pipe (202) and sack cleaner intercommunication, it includes adsorption column (301) to adsorb detecting element (3), adsorption column (301) with scrubbing tower (201) are through outlet duct (209) intercommunication.

2. The on-line detection device for treating VOCs based on activated carbon adsorption of claim 1, wherein: an air inlet pipe (202) is fixed on one side of the washing tower (201), a packing layer (203) is fixed in the washing tower (201), and a water spray head (205) is arranged above the packing layer (203).

3. The on-line detection device for treating VOCs based on activated carbon adsorption of claim 1, wherein: the improved water spray tower is characterized in that a demisting layer (204) is fixed to the top of the washing tower (201), an air outlet pipe (209) is fixed to the top of the washing tower (201), a water storage tank (208) is arranged at the bottom of one side of the washing tower (201), a water pump (207) is fixed to the top of the water storage tank (208), the water pump (207) is fixedly connected with a water pipe (206), and the water pipe (206) is fixedly connected with a water spray head (205).

4. The on-line detection device for treating VOCs based on activated carbon adsorption of claim 1, wherein: be provided with gas shunt (307) in adsorption tower (301), gas shunt (307) are located one side of adsorption tower (301), gas shunt (307) and outlet duct (209) intercommunication to evenly be equipped with a plurality of exhaust holes on gas shunt (307), metal mesh is installed to exhaust hole department.

5. The on-line detection device for treating VOCs based on activated carbon adsorption of claim 4, wherein: the adsorption tower (301) is internally and uniformly provided with a plurality of activated carbon adsorption layers (304) in a front-back manner, infrared heating pipes (305) are installed in the activated carbon adsorption layers (304), and the outer end of one infrared heating pipe (305) is connected with a temperature sensor (308).

6. The on-line detection device for treating VOCs based on activated carbon adsorption of claim 1, wherein: the outside of adsorption tower (301) still is equipped with steam pipe (302), is equipped with a plurality of air current branch pipes on steam pipe (302), installs the governing valve on the air current branch pipe, and the mouth of pipe of air current branch pipe stretch into in adsorption tower (301) and with active carbon adsorption layer (304) interval arrangement.

7. The on-line detection device for treating VOCs based on activated carbon adsorption of claim 6, wherein: the orifices of the airflow branch pipes are connected with the shunt pipes with two pins, the two pins are in a herringbone shape and respectively point to the surfaces of the activated carbon adsorption layers (304) on the two adjacent sides, and the bottom of the adsorption tower (301) is also provided with a gas discharge port (306).

8. The on-line detection device for treating VOCs based on activated carbon adsorption of claim 1, wherein: the other side of the adsorption tower (301) is communicated with a gas collecting box (303) through an exhaust pipeline, a fan (309) is arranged on the exhaust pipeline between the adsorption tower (301) and the gas collecting box (303), a VOCs detector is arranged in the gas collecting box (303), and the VOCs detector is connected with a controller.