CN218853911U

CN218853911U - Waste gas treatment device is used in preparation of boron trifluoride tetrahydrofuran complex

Info

Publication number: CN218853911U
Application number: CN202320087549.3U
Authority: CN
Inventors: 王清海; 王若菡; 张永进; 杨艳红
Original assignee: Hebei Runbang Chemical Co ltd
Current assignee: Hebei Runbang Chemical Co ltd
Priority date: 2023-01-30
Filing date: 2023-01-30
Publication date: 2023-04-14
Anticipated expiration: 2033-01-30

Abstract

The utility model discloses a waste gas treatment device is used in preparation of boron trifluoride tetrahydrofuran complex, including reaction tower and purification jar, the purification jar is located reaction tower one side, fixed mounting has the loading board between reaction tower and the purification jar, the fixed mounting of loading board has the exhaust gas purification case, fixed mounting has the exhaust gas duct on reaction tower, the purification jar, fixed mounting has the water pump bottom the loading board, the pumping end fixed connection of water pump has the drinking-water pipe, the drinking-water pipe runs through the loading board and stretches into the exhaust gas purification incasement, the water outlet end fixed connection of water pump has the type of 21274raceway, the top xarm end fixed connection of the type of 21274raceway has the connecting pipe, the connecting pipe runs through and stretches into the exhaust gas purification case, the connecting pipe bottom fixed connection has the atomising head. The beneficial effects of the utility model are that, reduced the production use cost, the waste gas absorption solution in the exhaust-gas purification case recycles, energy saving and consumption reduction, and exhaust-gas treatment is effectual, has reduced environmental pollution.

Description

Waste gas treatment device is used in preparation of boron trifluoride tetrahydrofuran complex

Technical Field

The utility model relates to a boron trifluoride tetrahydrofuran complex preparation technical field specifically is a waste gas treatment device is used in preparation of boron trifluoride tetrahydrofuran complex.

Background

Boron trifluoride tetrahydrofuran complex, used for producing sars drugs, mainly used as catalyst of organic reaction, chemical reagent and as medical intermediate, need pass complexation workshop section and purification workshop section when boron trifluoride tetrahydrofuran complex is prepared, can produce boron trifluoride waste gas and acetonitrile waste gas when carrying on complexation and purification, will cause the pollution to the environment if discharge the waste gas directly, the existing waste gas treatment device is installed on reaction tower and purification tank, need use two waste gas treatment devices when boron trifluoride tetrahydrofuran complex is prepared, increased use cost, and the energy consumption is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems and designing a waste gas treatment device for preparing boron trifluoride tetrahydrofuran complex.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a waste gas treatment device for preparing a boron trifluoride tetrahydrofuran complex comprises a reaction tower and a purification tank, wherein the purification tank is positioned on one side of the reaction tower, a bearing plate is fixedly installed between the reaction tower and the purification tank, a waste gas purification box is fixedly installed on the surface of the bearing plate, a waste gas pipe is fixedly installed on the reaction tower and the purification tank, one end of the waste gas pipe is fixedly connected with the waste gas purification box, a water pump is fixedly installed at the bottom of the bearing plate, a water pumping pipe is fixedly connected with the water pumping pipe, the water pumping pipe penetrates through the bearing plate and extends into the waste gas purification box, the water outlet end of the water pump is fixedly connected with a 21274type water conveying pipe, the top transverse arm end of the 21274type water conveying pipe is positioned above the waste gas purification box, the top transverse arm end of the 21274type water conveying pipe is fixedly connected with a connecting pipe, the connecting pipe penetrates into the waste gas purification box, and the bottom end of the connecting pipe is fixedly connected with an atomizing spray head.

Further, waste gas purification case front end is equipped with the trash cleaning mouth, fixed mounting has the filter screen in the waste gas purification case, the filter screen sets up for the slope, the filter screen sets up to the downward sloping of trash cleaning mouth direction, be equipped with seal baffle on the trash cleaning mouth.

Further, an exhaust pipe is fixedly connected to the top of the waste gas purification box and located on one side of the probabal 212747 type water delivery pipe, a pneumatic pressure valve is fixedly connected to the exhaust pipe, a drain pipe is fixedly connected to the rear end of the waste gas purification box, a valve is fixedly connected to the drain pipe, a liquid adding pipe is fixedly connected to the waste gas purification box and located above the drain pipe, and a sealing plug is arranged on the liquid adding pipe.

Further, an electric heating rod is fixedly installed in the waste gas purification box, and a temperature sensor is fixedly installed in the waste gas purification box.

Furthermore, a one-way valve is fixedly connected to the exhaust pipe.

Further, the sealing baffle is fixedly connected with the waste gas purification box through a screw.

Compared with the prior art, the technical scheme has the following beneficial effects:

can handle acetonitrile and boron trifluoride waste gas that reaction tower, purification jar produced through exhaust purification case, adopt a processing apparatus just can handle the waste gas that complex workshop section and purification workshop section produced, reduced the production use cost, exhaust absorption solution in the exhaust purification case recycles, energy saving and consumption reduction, and exhaust treatment is effectual, has reduced environmental pollution.

Drawings

FIG. 1 is a schematic structural diagram of an exhaust gas treatment device for preparing boron trifluoride tetrahydrofuran complex.

Fig. 2 is an enlarged sectional view of the exhaust gas purifying tank.

Fig. 3 is a side sectional view of the exhaust gas purifying tank.

In the figure: 1. a reaction tower; 2. a purification tank; 3. carrying a plate; 4. an exhaust gas purification tank; 5. an exhaust gas pipe; 6. a water pump; 7. a water pumping pipe; 8. a water pipe of type 21274; 9. a connecting pipe; 10. a spray head; 11. cleaning a sewage port; 12. a filter screen; 13. sealing the baffle; 14. an exhaust pipe; 15. a pneumatic pressure valve; 16. a drain pipe; 17. a valve; 18. a liquid feeding pipe; 19. a sealing plug; 20. an electrical heating rod; 21. a temperature sensor; 22. a one-way valve.

Detailed description of the preferred embodiments

The invention is described in detail below with reference to the accompanying drawings, as shown in fig. 1-3: a waste gas treatment device for preparing boron trifluoride tetrahydrofuran complex comprises a reaction tower 1 and a purification tank 2, wherein the purification tank 2 is positioned on one side of the reaction tower 1, a bearing plate 3 is fixedly installed between the reaction tower 1 and the purification tank 2, a waste gas purification box 4 is fixedly installed on the surface of the bearing plate 3, a waste gas pipe 5 is fixedly installed on the reaction tower 1 and the purification tank 2, one end of the waste gas pipe 5 is fixedly connected with the waste gas purification box 4, a water pump 6 is fixedly installed at the bottom of the bearing plate 3, a water pumping pipe 7 is fixedly connected with a water pumping pipe 7, the water pumping pipe 7 penetrates through the bearing plate 3 and extends into the waste gas purification box 4, a water outlet end of the water pump 6 is fixedly connected with a prob type water conveying pipe 8, the top cross arm end of the prob type water conveying pipe 8 is positioned above the waste gas purification box 4, a connecting pipe 9 is fixedly connected with the top end of the prob type water conveying pipe 8, and the connecting pipe 9 penetrates through and extends into the waste gas purification box 4; a cleaning opening 11 is formed in the front end of the waste gas purification box 4, a filter screen 12 is fixedly installed in the waste gas purification box 4, the filter screen 12 is arranged in an inclined mode, the filter screen 12 is arranged in a mode of inclining downwards towards the cleaning opening 11, and a sealing baffle 13 is arranged on the cleaning opening 11; the top of the waste gas purification box 4 is fixedly connected with an exhaust pipe 14, the exhaust pipe 14 is positioned on one side of a v-212748 type water conveying pipe, a pneumatic pressure valve 15 is fixedly connected onto the exhaust pipe 14, a drain pipe 16 is fixedly connected to the rear end of the waste gas purification box 4, a valve 17 is fixedly connected onto the drain pipe 16, a liquid adding pipe 18 is fixedly connected onto the waste gas purification box 4, the liquid adding pipe 18 is positioned above the drain pipe 16, and a sealing plug 19 is arranged on the liquid adding pipe 18; an electric heating rod 20 is fixedly arranged in the waste gas purification box 4, and a temperature sensor 21 is fixedly arranged in the waste gas purification box 4; the exhaust gas pipe 5 is fixedly connected with a one-way valve 22; the sealing baffle 13 is fixedly connected with the exhaust gas purification box 4 through screws.

The working principle of the embodiment is as follows: electric equipment used by the device is controlled by an external controller, a waste gas absorption solution is contained in a waste gas purification box 4, the liquid level of the waste gas absorption solution is positioned below a filter screen 12 in a downward inclined direction, a boron trifluoride tetrahydrofuran complex compound is subjected to a complex reaction in a reaction tower 1, and after the complex reaction is finished, a material is pumped into a purification tank 2 by a pump for purification;

when the device is used, a bearing plate 3 is fixedly arranged between a reaction tower 1 and a purification tank 2, a waste gas purification box 4 is fixedly arranged on the surface of the bearing plate 3, a waste gas pipe 5 is fixedly arranged on the reaction tower 1 and the purification tank 2, a one-way valve 22 is fixedly connected on the waste gas pipe 5, acetonitrile and boron trifluoride waste gas generated by the reaction tower 1 and the purification tank 2 enter the waste gas purification box 4 through the waste gas pipe 5, the waste gas can only flow in one direction by the one-way valve 22 on the waste gas pipe 5, the waste gas is prevented from flowing back, a water pump 6 is fixedly arranged at the bottom of the bearing plate 3, a water pumping pipe 7 is fixedly connected with a water pumping pipe 6, the water pumping pipe 7 penetrates through the bearing plate 3 and extends into the waste gas purification box 4, a water outlet end of the water pump 6 is fixedly connected with a lifting arm 8 and a lifting arm 9 is fixedly connected with the top end of the lifting arm type water pipe 8; the connecting pipe 9 penetrates and extends into the waste gas purifying box 4, the bottom end of the connecting pipe 9 is fixedly connected with an atomizing spray head 10, a water pump 6 starts to work, waste gas absorbing solution in the waste gas purifying box 4 is sucked out through a water pumping pipe 7 and is conveyed into the connecting pipe 9 through a 21274type water conveying pipe 8, the waste gas absorbing solution is atomized and sprayed into the waste gas purifying box 4 through the atomizing spray head 10, harmful substances in waste gas are absorbed by the waste gas absorbing solution to purify the waste gas, meanwhile, an electric heating rod 20 is fixedly arranged in the waste gas purifying box 4, a temperature sensor 21 is fixedly arranged in the waste gas purifying box 4, the electric heating rod 20 starts to work, the electric heating rod 20 heats the waste gas absorbing solution, the heated waste gas absorbing solution improves the waste gas treatment effect, and the temperature of the waste gas absorbing solution is monitored through the temperature sensor 21, when the temperature of the waste gas absorption solution reaches a set value, the electric heating rod 20 stops working, the waste gas absorption solution is atomized and sprayed into the waste gas purification box 4, the waste gas absorption solution can be recovered, the waste gas absorption solution can be recycled, and waste gas generated in the complexing working section and the purification working section can be treated by adopting one treatment device, so that energy is saved, and consumption is reduced;

the front end of the waste gas purification box 4 is provided with a dirt cleaning port 11, a filter screen 12 is fixedly installed in the waste gas purification box 4, the filter screen 12 is obliquely arranged towards the dirt cleaning port 11, a sealing baffle 13 is arranged on the dirt cleaning port 11, water mist sprayed out by an atomizing head 10 falls on the filter screen 12, particle impurities can be filtered through the filter screen 12 and are adsorbed on the filter screen 12, the water mist is mixed with waste gas absorption solution through the filter screen 12 to prevent the particle impurities from being mixed with the waste gas absorption solution, the waste gas absorption effect of the waste gas absorption solution is improved, the pipeline is prevented from being blocked by the particle impurities, the service life is prolonged, when the filter screen 12 needs to be cleaned, the sealing baffle 13 is taken down from the waste gas purification box 4 to open the dirt cleaning port 11, the filter screen 12 is obliquely arranged, the particle impurities on the filter screen 12 are discharged towards the dirt cleaning port 11 in a sliding mode, an operator can clean the filter screen 12 by using a hairbrush, the filter screen is convenient to clean, the filter effect is improved, and the working efficiency is improved;

the top of the waste gas purification box 4 is fixedly connected with an exhaust pipe 14, the exhaust pipe 14 is positioned on one side of a v-212748 type water delivery pipe, a pneumatic pressure valve 15 is fixedly connected onto the exhaust pipe 14, a drain pipe 16 is fixedly connected onto the rear end of the waste gas purification box 4, a valve 17 is fixedly connected onto the drain pipe 16, a liquid adding pipe 18 is fixedly connected onto the waste gas purification box 4, the liquid adding pipe 18 is positioned above the drain pipe 16, a sealing plug 19 is arranged on the liquid adding pipe 18, when the pressure in the waste gas purification box 4 is too high, the pneumatic pressure valve 15 is opened, the gas in the waste gas purification box 4 is discharged through the exhaust pipe 14, the waste gas is purified and filtered and then discharged, the environmental pollution is reduced, when the waste gas absorbing solution needs to be replaced, the valve 17 is opened, the waste gas absorbing solution in the waste gas purification box 4 is discharged through the drain pipe 16, the sealing plug 19 on the liquid adding pipe 18 is taken down, and a new waste gas absorbing solution is added into the waste gas purification box 4 through the liquid adding pipe 18, the operation is simple and the use is convenient.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The waste gas treatment device for preparing the boron trifluoride tetrahydrofuran complex comprises a reaction tower (1) and a purification tank (2), wherein the purification tank (2) is positioned on one side of the reaction tower (1), a bearing plate (3) is fixedly installed between the reaction tower (1) and the purification tank (2), and is characterized in that a waste gas purification box (4) is fixedly installed on the surface of the bearing plate (3), a waste gas pipe (5) is fixedly installed on the reaction tower (1) and the purification tank (2), one end of the waste gas pipe (5) is fixedly connected with the waste gas purification box (4), a water pump (6) is fixedly installed at the bottom of the bearing plate (3), a water pumping pipe (7) is fixedly connected with a water pumping pipe (7), the water pumping pipe (7) penetrates through the bearing plate (3) and extends into the waste gas purification box (4), a water outlet end of the water pump (6) is fixedly connected with a water outlet type water pipe (8), the top transverse arm end of the water pump (8) is fixedly connected with a waste gas purification box (4), and a connecting pipe (9) penetrates through a connecting pipe (9).

2. The waste gas treatment device for preparing boron trifluoride tetrahydrofuran complex as claimed in claim 1, wherein a cleaning opening (11) is formed in the front end of the waste gas purification box (4), a filter screen (12) is fixedly installed in the waste gas purification box (4), the filter screen (12) is obliquely arranged in a downward direction towards the cleaning opening (11), and a sealing baffle plate (13) is arranged on the cleaning opening (11).

3. The waste gas treatment device for preparing the boron trifluoride tetrahydrofuran complex as claimed in claim 1, wherein an exhaust pipe (14) is fixedly connected to the top of the waste gas purification box (4), the exhaust pipe (14) is located on one side of a 21274type water pipe (8), a pneumatic pressure valve (15) is fixedly connected to the exhaust pipe (14), a drain pipe (16) is fixedly connected to the rear end of the waste gas purification box (4), a valve (17) is fixedly connected to the drain pipe (16), a liquid adding pipe (18) is fixedly connected to the waste gas purification box (4), the liquid adding pipe (18) is located above the drain pipe (16), and a sealing plug (19) is arranged on the liquid adding pipe (18).

4. The apparatus for treating exhaust gas for boron trifluoride tetrahydrofuran complex production according to claim 1, wherein an electric heating rod (20) is fixedly installed in the exhaust gas purification tank (4), and a temperature sensor (21) is fixedly installed in the exhaust gas purification tank (4).

5. The apparatus for treating waste gas in the preparation of boron trifluoride tetrahydrofuran complex as claimed in claim 1, wherein a check valve (22) is fixedly connected to said waste gas pipe (5).

6. The apparatus for treating exhaust gas for boron trifluoride tetrahydrofuran complex production according to claim 2, wherein the sealing baffle plate (13) is fixedly attached to the exhaust gas purification tank (4) by screws.