CN211328815U - Spray tower for polyoxymethylene dimethyl ethers - Google Patents
Spray tower for polyoxymethylene dimethyl ethers Download PDFInfo
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- CN211328815U CN211328815U CN201921933757.0U CN201921933757U CN211328815U CN 211328815 U CN211328815 U CN 211328815U CN 201921933757 U CN201921933757 U CN 201921933757U CN 211328815 U CN211328815 U CN 211328815U
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Abstract
The utility model discloses a belong to the technical field of chemical plant, specifically a spray column for gathering methoxy dimethyl ether, including shell, outlet duct, circulation pond, control box and side case, the top of shell passes through flange joint the outlet duct, this kind of spray column for gathering methoxy dimethyl ether utilizes the sensor in the side case to detect liquid level and concentration in the circulation pond, and carry out the long-range data transmission through carrying out on-the-spot alarm and wireless transmitter through frequency conversion controller cooperation siren, be convenient for in time regulate and control, set up the baffle by solenoid valve control at the outlet duct, cooperate the sensor to detect the concentration of pre-discharge gas, just open the solenoid valve after reaching frequency conversion controller's predetermined threshold value, control the concentration of gas in qualified range, increased the effect before the gas transportation, reduce the burden of follow-up adsorption treatment device, the circulation process tends to be stable, and the service life is prolonged.
Description
Technical Field
The utility model relates to a chemical plant technical field specifically is a spray column for gathering methoxy dimethyl ether.
Background
With the progress of social economy, the number of automobiles is obviously increased, and automobile exhaust emissions become one of important causes of urban haze. Compared with gasoline, diesel oil has higher boiling point and low H/C mass ratio, so that more waste gases such as CO, oxynitride, particulate matters and the like are discharged in the combustion process of the diesel oil, and the pollution caused by the waste gases is more serious than that caused by the gasoline. Therefore, the improvement of diesel combustion efficiency, the reduction of pollution emission and the improvement of urban air quality are important environmental protection tasks at present.
The polymethoxy dimethyl ether is a recognized clean diesel oil component in the world, and the cetane number of the polymethoxy dimethyl ether is more than or equal to 70, and the polymethoxy dimethyl ether does not contain sulfur and aromatic hydrocarbon. The additive is added into diesel according to the proportion of 5-20 percent, can improve the cetane number of the diesel, promote combustion and obviously reduce the emission of harmful gases such as PM2.5, PM10, NOx, CO and the like in automobile exhaust. Due to the excellent performance of polyoxymethylene dimethyl ethers, the synthesis process thereof has become a popular subject of domestic and foreign research.
At present, polymethoxy dimethyl ether is mostly generated by reacting methylal/methanol with formaldehyde (formaldehyde can be from formaldehyde aqueous solution/trioxymethylene/paraformaldehyde) under the catalytic action of an acid catalyst, and because formaldehyde in alkali neutralization reaction liquid consumes a large amount of raw materials and generates a large amount of sewage and waste gas, and formaldehyde is easy to generate formic acid through disproportionation reaction, purification equipment is required to purify before emission.
The current spray column is in the use, need circulate the absorption liquid in the circulation pond and spray, but lack the detection mode to the absorption liquid, to producing under the condition that the loss takes place or under the condition that absorption liquid concentration exceeds standard in seepage and use, all can't in time discover, and when spray column cooperation follow-up adsorption treatment device carries out the auxiliary use, gas all is direct transportation, can't detect, and under the unable condition of controlling the transport gas under the condition that the concentration exceeds standard, cause the circulation process burden of follow-up device to aggravate, cycle life is reduced, gas concentration is difficult to control in qualified scope, these are actual existence and the problem of treating urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a spray column for gathering methoxy dimethyl ether, with the current spray column who proposes in solving above-mentioned background art in the use, need circulate the absorption liquid in the circulation pond and spray, but lack the detection mode to the absorption liquid, to producing under the condition that the loss takes place in seepage and use or under the condition that absorption liquid concentration exceeds standard, all can't in time discover, and when spray column cooperation follow-up adsorption treatment device carries out the auxiliary usage, gaseous all for direct transportation, can't detect, and can't carry out under the condition that the concentration exceeds standard to transporting gas under, cause the circulation process burden of follow-up device to aggravate, cycle life is reduced, gas concentration is difficult to the problem of control in qualified scope.
In order to achieve the above object, the utility model provides a following technical scheme: a spray tower for polyoxymethylene dimethyl ethers comprises a shell, an outlet pipe, a circulating pool, a control box and side boxes, wherein the top of the shell is connected with the outlet pipe through a flange, the left side wall of the shell is fixedly connected with the circulating pool through a bolt, the right side wall of the circulating pool is fixedly connected with the side boxes through a bolt, the left side wall of the side boxes is fixedly connected with the control box through a screw, the right side wall of the shell is connected with a waste gas collecting pipe through a flange, the bottom of an inner cavity of the outlet pipe is fixedly connected with an electromagnetic valve through a screw, the bottom of the electromagnetic valve is fixedly connected with a vertical frame through a screw, a main concentration sensor is arranged at the bottom of the vertical frame in a threaded manner, the front side wall of the circulating pool is connected with an inlet pipe through a flange, the left side wall of the circulating pool is connected with a pipe body, the output end of the circulating pump is connected with a spraying pipe through a flange, the right side wall of the spraying pipe is connected with a main pipe and an auxiliary pipe through flanges, the circumferential outer walls of the main pipe and the auxiliary pipe penetrate through the circumferential inner wall of the shell, the output ends of the main pipe and the auxiliary pipe are connected with a spray head through flanges, the bottom of the inner cavity of the control box is fixedly connected with an inner frame through screws, the bottom of the inner cavity of the inner frame is fixedly connected with a variable frequency controller, an alarm and a storage battery through screws, the top of the storage battery is fixedly connected with a wireless transmitter through screws, the electrical output end of the variable frequency controller is electrically connected with the electromagnetic valve, the alarm and the electrical input end of the wireless transmitter through wires, and the electrical output end of the storage battery is electrically connected with the electrical input end of the variable frequency controller, the alarm and the electrical, screw fixedly connected with mainframe box and reserve battery are passed through at the top of inside casing, reserve battery with mainframe box electric connection, bolt fixedly connected with diaphragm is passed through at the top of mainframe box, the top contact of diaphragm has the display screen, the electrical property input of display screen pass through the wire with the mainframe box with reserve battery's electrical property output electric connection, screw fixedly connected with treater is passed through to the inner chamber bottom of side case, the electrical property input of treater has level sensor and vice concentration sensor through wire electric connection, level sensor with vice concentration sensor runs through the inner chamber right side wall in circulation pond, the treater with main concentration sensor's electrical property output pass through the wire with frequency conversion controller's electrical property input electric connection.
Preferably, the front side wall of the housing is fixedly connected with a main maintenance window and an auxiliary maintenance window through bolts.
Preferably, the output end of the air outlet pipe is connected with an adsorption pipe through a flange, and the output end of the adsorption pipe is connected with an adsorber through a flange.
Preferably, the output end of the adsorber is connected with a centrifugal fan through a flange, and the output end of the centrifugal fan is connected with a high-altitude pipe through a flange.
Preferably, the inner wall of the circumference of the air outlet pipe is movably connected with a baffle through a shaft lever, and the input end of the shaft lever is fixedly connected with the output end of the electromagnetic valve.
Preferably, the front side wall of the housing is fixedly connected with a ladder stand through a bolt.
Compared with the prior art, the beneficial effects of the utility model are that: this kind of a spray column for gathering methoxy dimethyl ether, combination application through the accessory, can be at the outside combination control case and the side case in the circulation pond, utilize the sensor in the side case to come to detect liquid level and concentration in the circulation pond, and carry out on-the-spot alarm and wireless transmitter through cooperating the siren via frequency conversion controller and carry out remote data transmission, be convenient for in time regulate and control, set up the baffle by solenoid valve control at the outlet duct, cooperation sensor can detect the concentration of pre-discharge gas, just open the solenoid valve after reaching frequency conversion controller's the threshold value of predetermineeing, the concentration control of gas is in the qualified scope, the self-checking effect before having increased gas transfer, reduce follow-up adsorption treatment device's burden, make the circulation process tend towards stability, increase life.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the spray tower of the present invention;
fig. 3 is a schematic structural diagram of the control box of the present invention.
In the figure: 100 shells, 110 main maintenance windows, 120 auxiliary maintenance windows, 130 waste gas collecting pipes, 200 gas outlet pipes, 210 electromagnetic valves, 220 main concentration sensors, 230 adsorption pipes, 240 adsorbers, 250 centrifugal fans, 260 high-altitude pipes, 300 circulating pools, 310 inlet pipes, 320 circulating pumps, 330 spray pipes, 340 main pipes, 350 auxiliary pipes, 400 control boxes, 410 variable frequency controllers, 420 alarms, 430 wireless transmitters, 440 storage batteries, 450 main boxes, 460 display screens, 500 side boxes, 510 processors, 520 liquid level sensors and 530 auxiliary concentration sensors.
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.
The utility model provides a spray column for polyoxymethylene dimethyl ether, which is convenient for increasing the detection performance and the control effect and increasing the stability of circulation by the combined application of accessories, please refer to fig. 1-3, and comprises a shell 100, an outlet pipe 200, a circulation tank 300, a control box 400 and a side box 500;
referring to fig. 1 again, the front side wall of the casing 100 has a main maintenance window 110 and an auxiliary maintenance window 120, specifically, the front side wall of the casing 100 is fixedly connected with the main maintenance window 110 and the auxiliary maintenance window 120 through bolts, and the right side wall of the casing 100 is connected with an exhaust gas collecting pipe 130 through a flange;
referring to fig. 1-2 again, the bottom of the outlet pipe 200 is fixedly connected with the top of the housing 100, specifically, the top of the housing 100 is connected with the outlet pipe 200 through a flange, the bottom of the inner cavity of the outlet pipe 200 is fixedly connected with an electromagnetic valve 210 through a screw, the bottom of the electromagnetic valve 210 is fixedly connected with a vertical frame through a screw, the bottom of the vertical frame is threaded with a main concentration sensor 220, the output end of the outlet pipe 200 is connected with an adsorption pipe 230 through a flange, the output end of the adsorption pipe 230 is connected with an adsorber 240 through a flange, the output end of the adsorber 240 is connected with a centrifugal fan 250 through a flange, and the output end of the centrifugal fan 250 is connected with a high-altitude pipe 260 through a flange, wherein the main concentration sensor 220 can be a; the adsorber 240 may be an activated carbon adsorber, or may be a commercially available related adsorption device related to formaldehyde, formic acid, or methylal, which is not used as a structural range of the spray tower and is not described herein again;
referring to fig. 2 again, the top of the circulation tank 300 is fixedly connected to the bottom of the housing 100, specifically, the left side wall of the housing 100 is fixedly connected to the circulation tank 300 through bolts, the front side wall of the circulation tank 300 is connected to the inlet pipe 310 through a flange, the left side wall of the circulation tank 300 is connected to the pipe body through a flange, the output end of the pipe body is connected to the circulation pump 320 through a flange, the output end of the circulation pump 320 is connected to the shower pipe 330 through a flange, the right side wall of the shower pipe 330 is connected to the main pipe 340 and the sub pipe 350 through a flange, the circumferential outer walls of the main pipe 340 and the sub pipe 350 penetrate through the circumferential inner wall of the housing 100, and the output ends of the.
Referring to fig. 2-3 again, the left side wall of the control box 400 is fixedly connected with the right side wall of the side box 500, specifically, the right side wall of the circulation tank 300 is fixedly connected with the side box 500 through bolts, the left side wall of the side box 500 is fixedly connected with the control box 400 through screws, the bottom of the inner cavity of the control box 400 is fixedly connected with an inner frame through screws, the bottom of the inner cavity of the inner frame is fixedly connected with the variable frequency controller 410, the alarm 420 and the storage battery 440 through screws, the top of the storage battery 440 is fixedly connected with the wireless transmitter 430 through screws, the electrical output end of the variable frequency controller 410 is electrically connected with the electrical input ends of the electromagnetic valve 210, the alarm 420 and the wireless transmitter 430 through wires, the electrical output end of the storage battery 440 is electrically connected with the electrical input ends of the variable frequency controller 410, the alarm 420 and the wireless transmitter 430 through wires, the top of the inner frame is, the standby battery is electrically connected with the main case 450, the top of the main case 450 is fixedly connected with a transverse plate through a bolt, the top of the transverse plate is contacted with the display screen 460, the electrical input end of the display screen 460 is electrically connected with the main case 450 and the electrical output end of the standby battery through a lead, and the variable frequency controller 410, the alarm 420, the wireless transmitter 430 and the storage battery 440 can all adopt the common models in the market.
Referring to fig. 2-3 again, the left side wall of the side box 500 is fixedly connected to the right side wall of the circulation tank 300, specifically, the right side wall of the circulation tank 300 is fixedly connected to the side box 500 through bolts, the bottom of the inner cavity of the side box 500 is fixedly connected to the processor 510 through screws, the electrical input end of the processor 510 is electrically connected to the liquid level sensor 520 and the secondary concentration sensor 530 through wires, the liquid level sensor 520 and the secondary concentration sensor 530 penetrate through the right side wall of the inner cavity of the circulation tank 300, and the electrical output ends of the processor 510 and the primary concentration sensor 220 are electrically connected to the electrical input end of the variable frequency controller 410 through wires, wherein the liquid level sensor 520 and the secondary concentration sensor 530 can be of any type commonly available in the market, and the secondary concentration sensor 530 needs to select a relevant sensor related to formaldehyde, formic acid or methylal according to the detection requirements.
When the device is used specifically, firstly, the shell 100, the circulation tank 300, the control box 400 and the side box 500 are combined together, the waste gas is transmitted by the waste gas collecting pipe 130, the waste gas entering the shell 100 is sprayed by the spraying pipe 330 with a spray head, the waste gas and absorption liquid are in full contact with each other, absorbed liquid is sprayed after being pressurized by the circulation pump 320 in the circulation tank 300 and finally flows back to the circulation tank 300 for recycling, the liquid level and the concentration can be effectively detected by the liquid level sensor 520 and the secondary concentration sensor 530 arranged in the circulation tank 300, the liquid level and the concentration in the circulation tank 300 can be detected by the sensor in the side box 500, the field alarm is carried out by the frequency conversion controller 410 and the alarm 420, the wireless transmitter 430 is used for remote data transmission, the timely regulation and control are convenient, the main sensor 220 at the top can detect pre-discharged gas, under the condition that is suitable for emission concentration, variable frequency controller 410 opens solenoid valve 210 to make the baffle upset of being connected with solenoid valve 210, make during gaseous transmission to subsequent circulation processing, control the concentration of gas in qualified scope, increased the self-checking effect before the gas is transported, reduce the burden of follow-up adsorption treatment device, make the cyclic process tend towards stability, increase life.
Referring to fig. 2-3 again, in order to utilize the baffle to block the bottom of the outlet pipe 200 after the electromagnetic valve 210 is controlled by the variable frequency controller 410, and to avoid the transmission of the unqualified gas, specifically, the inner circumferential wall of the outlet pipe 200 is movably connected with the baffle through a shaft, and the input end of the shaft is fixedly connected with the output end of the electromagnetic valve 210.
Referring to fig. 1 again, in order to facilitate the use of the main maintenance window 110 and the sub maintenance window 120, in particular, the front side wall of the housing 100 is fixedly connected with a ladder by bolts.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A spray column for polyoxymethylene dimethyl ethers is characterized in that: comprises a shell (100), an air outlet pipe (200), a circulating tank (300), a control box (400) and a side box (500), wherein the top of the shell (100) is connected with the air outlet pipe (200) through a flange, the left side wall of the shell (100) is fixedly connected with the circulating tank (300) through a bolt, the right side wall of the circulating tank (300) is fixedly connected with the side box (500) through a bolt, the left side wall of the side box (500) is fixedly connected with the control box (400) through a screw, the right side wall of the shell (100) is connected with a waste gas collecting pipe (130) through a flange, the bottom of an inner cavity of the air outlet pipe (200) is fixedly connected with an electromagnetic valve (210) through a screw, the bottom of the electromagnetic valve (210) is fixedly connected with a vertical frame through a screw, the bottom thread of the vertical frame is provided with a main concentration sensor (220), the front side wall of the, the left side wall of the circulation tank (300) is connected with a pipe body through a flange, the output end of the pipe body is connected with a circulation pump (320) through a flange, the output end of the circulation pump (320) is connected with a spray pipe (330) through a flange, the right side wall of the spray pipe (330) is connected with a main pipe (340) and an auxiliary pipe (350) through a flange, the circumference outer wall of the main pipe (340) and the auxiliary pipe (350) penetrates through the circumference inner wall of the shell (100), the output ends of the main pipe (340) and the auxiliary pipe (350) are connected with a spray head through a flange, the bottom of the inner cavity of the control box (400) is fixedly connected with an inner frame through screws, the bottom of the inner cavity of the inner frame is fixedly connected with a variable frequency controller (410), an alarm (420) and a storage battery (440), and the top of the storage battery (440), the electric output end of the variable frequency controller (410) is electrically connected with the electromagnetic valve (210), the alarm (420) and the electric input end of the wireless transmitter (430) through leads, the electric output end of the storage battery (440) is electrically connected with the variable frequency controller (410), the alarm (420) and the electric input end of the wireless transmitter (430) through leads, the top of the inner frame is fixedly connected with the main case (450) and the spare storage battery through screws, the spare battery is electrically connected with the main case (450), the top of the main case (450) is fixedly connected with a transverse plate through bolts, the top of the transverse plate is contacted with a display screen (460), the electric input end of the display screen (460) is electrically connected with the electric output end of the main case (450) and the spare storage battery through leads, the bottom of the inner cavity of the side case (500) is fixedly connected with a processor (510) through screws, the electric input end of the processor (510) is electrically connected with a liquid level sensor (520) and an auxiliary concentration sensor (530) through a lead, the liquid level sensor (520) and the auxiliary concentration sensor (530) penetrate through the right side wall of the inner cavity of the circulating pool (300), and the electric output end of the processor (510) and the main concentration sensor (220) is electrically connected with the electric input end of the variable frequency controller (410) through a lead.
2. The spray column for polymethoxy dimethyl ether according to claim 1, wherein: the front side wall of the shell (100) is fixedly connected with a main maintenance window (110) and an auxiliary maintenance window (120) through bolts.
3. The spray column for polymethoxy dimethyl ether according to claim 1, wherein: the output end of the outlet pipe (200) is connected with an adsorption pipe (230) through a flange, and the output end of the adsorption pipe (230) is connected with an adsorber (240) through a flange.
4. The spray column for polymethoxy dimethyl ether according to claim 3, wherein: the output end of the adsorber (240) is connected with a centrifugal fan (250) through a flange, and the output end of the centrifugal fan (250) is connected with a high-altitude pipe (260) through a flange.
5. The spray column for polymethoxy dimethyl ether according to claim 1, wherein: the inner wall of the circumference of the air outlet pipe (200) is movably connected with a baffle through a shaft lever, and the input end of the shaft lever is fixedly connected with the output end of the electromagnetic valve (210).
6. The spray column for polymethoxy dimethyl ether according to claim 1, wherein: the front side wall of the shell (100) is fixedly connected with a ladder stand through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921933757.0U CN211328815U (en) | 2019-11-11 | 2019-11-11 | Spray tower for polyoxymethylene dimethyl ethers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921933757.0U CN211328815U (en) | 2019-11-11 | 2019-11-11 | Spray tower for polyoxymethylene dimethyl ethers |
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| CN211328815U true CN211328815U (en) | 2020-08-25 |
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| CN201921933757.0U Active CN211328815U (en) | 2019-11-11 | 2019-11-11 | Spray tower for polyoxymethylene dimethyl ethers |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112263907A (en) * | 2020-09-28 | 2021-01-26 | 张红社 | Energy-concerving and environment-protective type chemical waste gas sprays equipment |
| CN113842777A (en) * | 2021-10-26 | 2021-12-28 | 湖南惠民生物科技有限公司 | Waste gas treatment spray tower for pesticide production |
| CN115814575A (en) * | 2022-12-23 | 2023-03-21 | 浙江东油能源科技有限公司 | Efficient and sufficient methanol steam recycling equipment |
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2019
- 2019-11-11 CN CN201921933757.0U patent/CN211328815U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112263907A (en) * | 2020-09-28 | 2021-01-26 | 张红社 | Energy-concerving and environment-protective type chemical waste gas sprays equipment |
| CN112263907B (en) * | 2020-09-28 | 2022-07-29 | 山东派尼新材料股份有限公司 | Energy-concerving and environment-protective type chemical waste gas sprays equipment |
| CN113842777A (en) * | 2021-10-26 | 2021-12-28 | 湖南惠民生物科技有限公司 | Waste gas treatment spray tower for pesticide production |
| CN115814575A (en) * | 2022-12-23 | 2023-03-21 | 浙江东油能源科技有限公司 | Efficient and sufficient methanol steam recycling equipment |
| CN115814575B (en) * | 2022-12-23 | 2023-11-28 | 浙江东油能源科技有限公司 | Efficient and sufficient methanol vapor recycling equipment |
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