CN209968395U

CN209968395U - Reaction device capable of recovering gas solvent

Info

Publication number: CN209968395U
Application number: CN201920376372.2U
Authority: CN
Inventors: 阳六云; 陈爱文; 申时成
Original assignee: Zhuhai Liangu Chemical Industrial Co Ltd
Current assignee: Zhuhai Liangu Chemical Industrial Co Ltd
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2020-01-21
Anticipated expiration: 2029-03-22

Abstract

The utility model relates to a chemical industry equipment technical field discloses a recoverable gaseous solvent's reaction unit, including reation kettle, reation kettle is equipped with outward and presss from both sides the cover, is equipped with at least two sets of rabbling mechanisms in the reation kettle, and reation kettle is last to be equipped with inlet pipe, blast pipe and discharging pipe, and the intercommunication has first valve, vertical first condenser, horizontal second condenser and U type pipe on the blast pipe in proper order, U type pipe and reation kettle intercommunication, and U type pipe lower extreme intercommunication has the water knockout drum, and the water knockout drum passes through back flow and reation kettle intercommunication. Thereby the cover can let in high temperature gas and heat for reation kettle, and the reactant intensive mixing reaction under the stirring of rabbling mechanism, and the liquefaction when the gasified solvent passes through vertical first condenser and horizontal second condenser, water knockout drum are arranged into to the liquefied solvent when passing through the U type pipe, and reuse in discharging into reation kettle from the water knockout drum at last reduces the waste of resource, and can not bring the harm for the environment.

Description

Reaction device capable of recovering gas solvent

Technical Field

The utility model relates to a chemical industry equipment technical field especially relates to a reaction unit.

Background

The curing agent reaction needs to be completed in a reaction kettle, a proper container is also needed for the mixing reaction of a plurality of other compositions in a monomer state, the reaction kettle is the container, the heating, evaporation, cooling and low-speed mixing functions required by the process are realized through the structural design and parameter configuration of the reaction kettle, and the method is widely applied to the industries of petroleum, chemical engineering, rubber, pesticide, dye, medicine, food and the like. The reactants are dissolved in the solvent, when the reaction environment is high temperature, part of the solvent (such as ester solvent used for producing the curing agent) can be converted into gas state, and the method at the present stage is directly pumped and discharged into the natural environment, thereby polluting the environment and wasting resources.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a reaction device capable of recovering gas solvent, which can timely recover gasified solvent and save cost.

The utility model provides a technical scheme that its technical problem adopted does:

the utility model provides a reaction unit of recoverable gaseous solvent, includes reation kettle, and reation kettle is equipped with outward and presss from both sides the cover, is equipped with two sets of rabbling mechanisms at least in the reation kettle, is equipped with inlet pipe, blast pipe and discharging pipe on the reation kettle, and the intercommunication has first valve, vertical first condenser, horizontal second condenser and U type pipe on the blast pipe in proper order, and U type pipe and reation kettle intercommunication, U type pipe lower extreme intercommunication have the water knockout drum, and the water knockout drum passes through back flow and reation kettle intercommunication.

As the improvement of the technical scheme, the first condenser comprises a first tank body and a first pipeline arranged in the first tank body in a penetrating mode, the first pipeline is in a spiral shape, the two ends of the first pipeline are respectively provided with an inlet and an outlet, the inlet and the outlet extend out of the first tank body, the inner wall of the first tank body and the outer wall of the first pipeline form a first cavity, and the first cavity is provided with a first inlet and a first discharge port.

As an improvement of the technical scheme, the second condenser comprises a second tank body and a second pipeline penetrating through the second tank body, a plurality of radiating fins are circumferentially arranged on the outer wall of the second pipeline, the two ends of the second pipeline are respectively provided with an inlet and an outlet, the inlet and the outlet extend out of the second tank body, the inner wall of the second tank body and the outer wall of the second pipeline form a second cavity, and the second cavity is provided with a second inlet and a second discharge port.

As an improvement of the technical scheme, the outlet of the first pipeline is communicated with the inlet of the second pipeline, and the second discharge port is communicated with the first inlet.

As the improvement of the technical scheme, each group of stirring mechanisms comprises a motor, each motor is connected with a stirring shaft extending into the reaction kettle, and each stirring shaft is connected with a stirring paddle.

As an improvement of the technical scheme, the height difference exists between the stirring paddles on two adjacent stirring shafts.

As an improvement of the technical scheme, the feeding pipe is provided with a plurality of material distribution openings.

As an improvement of the technical scheme, a liquid outlet pipe and a pressure relief pipe are arranged on the side wall of the water separator, a pressure relief valve is arranged on the pressure relief pipe, the liquid outlet pipe is communicated with a return pipe, a discharge pipe is arranged at the lower end of the water separator, and a second valve is arranged on the discharge pipe.

As an improvement of the technical scheme, the return pipe is sequentially provided with a third valve and a one-way valve.

The beneficial effects of the utility model are that:

this reaction unit includes reation kettle, thereby reation kettle is equipped with the jacket outward and can lets in high temperature gas and heat for reation kettle, and the reactant intensive mixing reaction under rabbling mechanism's stirring, and the liquefaction is passed through when vertical first condenser and horizontal second condenser to gasified solvent, and the water knockout drum is arranged into to liquefied solvent when passing through U type pipe, recycles in the reation kettle from the water knockout drum row at last, reduces the waste of resource, and can not bring the harm for the environment.

Drawings

The present invention will be further described with reference to the accompanying drawings and specific embodiments, wherein:

fig. 1 is a schematic diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a first condenser according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a second condenser according to an embodiment of the present invention.

Detailed Description

Referring to fig. 1, the utility model discloses a reaction unit of recoverable gaseous solvent, including reation kettle 1, reation kettle 1 is equipped with outward and presss from both sides cover 2, can toward letting in high temperature gas in pressing from both sides cover 2, thereby high temperature gas gives reation kettle 1 with heat transfer and has suitable reaction temperature in making reation kettle 1. In this embodiment, be equipped with two sets of rabbling mechanisms in reation kettle 1, the reactant is at the quick intensive mixing reaction under the stirring of rabbling mechanism to shorten reaction time, improve reaction efficiency. Be equipped with inlet pipe 3, blast pipe 4 and discharging pipe 5 on reation kettle 1, be equipped with five cloth mouths on the inlet pipe 3, reactant and solvent are dispersed through inlet pipe 3 and cloth mouth and are discharged into reation kettle 1. The exhaust pipe 4 is sequentially communicated with a first valve 6, a vertical first condenser 7, a transverse second condenser 8 and a U-shaped pipe 9, the U-shaped pipe 9 is communicated with the reaction kettle 1, the lower end of the U-shaped pipe 9 is communicated with a water distributor 10, and the water distributor 10 is communicated with the reaction kettle 1 through a return pipe 11. The reactant is stirred and reacts in reation kettle 1 of high temperature, partial solvent can be gasified, when the solvent of gasification passes through vertical first condenser 7 and horizontal second condenser 8, thereby the heat is taken away by first condenser 7 and second condenser 8 and is liquefied into liquid again, thereby water knockout drum 10 is arranged into when liquefied solvent passes through U type pipe 9, at last in water knockout drum 10 row reation kettle 1, realize the reuse of solvent, reduce the waste of resource, thereby avoid directly discharging the solvent to the natural environment in and destroy natural environment.

Referring to fig. 2, the first condenser 7 includes a first tank 71 and a first pipe 72 penetrating through the first tank 71, the first pipe 72 is spiral, an inlet and an outlet are respectively formed at two ends of the first pipe 72, the inlet and the outlet both extend out of the first tank 71, a first cavity is formed by an inner wall of the first tank 71 and an outer wall of the first pipe 72, and the first cavity is provided with a first inlet 73 and a first discharge port 74. Cooling water is input into the first cavity through the first inlet 73, and when the gasified solvent passes through the first pipeline 72, heat carried by the gasified solvent is transferred to the cooling water through the wall of the first pipeline 72, so that the cooling of the solvent is realized. The spiral first pipeline 72 enables the gasified solvent to stay in the first pipeline 72 for a longer time, and the temperature reduction effect of the gasified solvent is better.

Further referring to fig. 3, the second condenser 8 includes a second tank 81 and a second pipeline 82 penetrating the second tank 81, five to eight cooling fins 83 are circumferentially disposed on an outer wall of the second pipeline 82, the number of the cooling fins 83 may also be determined according to the actual diameter of the second pipeline 82, an inlet and an outlet are disposed at two ends of the second pipeline 82, the inlet and the outlet both extend out of the second tank 81, a second cavity is formed by an inner wall of the second tank 81 and an outer wall of the second pipeline 82, and the second cavity is provided with a second inlet 84 and a second discharge port 85. Cooling water is input into the second cavity through the second inlet 84, when the gasified solvent passes through the second pipeline 82, heat carried by the gasified solvent is transmitted to the cooling water through the wall of the second pipeline 82 and the radiating fins 83, so that condensation of the solvent is realized, the gasified solvent is condensed into a liquid state, when the gasified solvent passes through the U-shaped pipe 9, the liquid solvent is discharged into the water separator 10, and the non-liquefied solvent is discharged into the reaction kettle 1. The fins 83 are effective to increase the contact area of the second pipe 82 and the cooling water, resulting in higher heat exchange efficiency.

An outlet of the first pipe 72 is communicated with an inlet of the second pipe 82, so that the vaporized solvent passes through the first condenser 7 and the second condenser 8 in sequence; second discharge port 85 and first entry 73 intercommunication realize the two-stage application of cooling water, and the cooling water is at first through second condenser 8, and the cooling water temperature at this moment is minimum for the solvent liquefaction effect of having tentatively reduced the temperature is better. The cooling water passes through the first condenser 7, realizes the preliminary cooling of gasification solvent, and the waste of reducible cooling water resource is used to the secondary of cooling water.

Every group rabbling mechanism all includes motor 12, and every motor 12 all is connected with the (mixing) shaft 13 that stretches into reation kettle 1, all is connected with three stirring rakes 14 on every (mixing) shaft 13, and has the difference in height between two adjacent stirring rakes 14 on the (mixing) shaft 13 for stirring effect is better, effectively shortens reaction time.

The side wall of the water separator 10 is provided with a liquid outlet pipe and a pressure relief pipe, the pressure relief pipe is provided with a pressure relief valve 15, the liquid outlet pipe is communicated with a return pipe 11, the return pipe 11 is sequentially provided with a third valve 17 and a one-way valve 18, the lower end of the water separator 10 is provided with a discharge pipe, and the discharge pipe is provided with a second valve 16.

The above description is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention should be all included in the protection scope of the present invention as long as the technical effects are achieved by any of the same or similar means.

Claims

1. A reaction device capable of recovering a gas solvent, which is characterized in that: including reation kettle (1), reation kettle (1) is equipped with outward and presss from both sides cover (2), be equipped with two sets of rabbling mechanisms at least in reation kettle (1), be equipped with inlet pipe (3) on reation kettle (1), blast pipe (4) and discharging pipe (5), it has first valve (6) to communicate in proper order on blast pipe (4), vertical first condenser (7), horizontal second condenser (8) and U type pipe (9), U type pipe (9) and reation kettle (1) intercommunication, U type pipe (9) lower extreme intercommunication has water knockout drum (10), water knockout drum (10) are through back flow (11) and reation kettle (1) intercommunication.

2. The apparatus for recycling a gaseous solvent according to claim 1, wherein: first condenser (7) are including first jar of body (71) and wear to locate first pipeline (72) in first jar of body (71), and first pipeline (72) are the heliciform, and the both ends of first pipeline (72) are import and export respectively, and import and export all stretch out outside first jar of body (71), and the inner wall of first jar of body (71) and the outer wall of first pipeline (72) constitute first cavity, and first cavity is equipped with first entry (73) and first discharge port (74).

3. A reaction apparatus capable of recovering a gaseous solvent according to claim 2, wherein: the second condenser (8) comprises a second tank body (81) and a second pipeline (82) penetrating into the second tank body (81), wherein a plurality of radiating fins (83) are circumferentially arranged on the outer wall of the second pipeline (82), the two ends of the second pipeline (82) are respectively provided with an inlet and an outlet, the inlet and the outlet extend out of the second tank body (81), the inner wall of the second tank body (81) and the outer wall of the second pipeline (82) form a second cavity, and the second cavity is provided with a second inlet (84) and a second discharge port (85).

4. A reaction apparatus capable of recovering a gaseous solvent according to claim 3, wherein: the outlet of the first conduit (72) communicates with the inlet of the second conduit (82), and the second discharge port (85) communicates with the first inlet (73).

5. The apparatus for recycling a gaseous solvent according to claim 1, wherein: every group rabbling mechanism all includes motor (12), and every motor (12) are connected with (mixing) shaft (13) that stretch into reation kettle (1), all are connected with stirring rake (14) on every (mixing) shaft (13).

6. The apparatus for recycling a gaseous solvent according to claim 5, wherein: the stirring paddles (14) on two adjacent stirring shafts (13) have a height difference.

7. The apparatus for recycling a gaseous solvent according to claim 1, wherein: the feeding pipe (3) is provided with a plurality of material distribution openings.

8. The apparatus for recycling a gaseous solvent according to claim 1, wherein: the water distributor is characterized in that a liquid outlet pipe and a pressure relief pipe are arranged on the side wall of the water distributor (10), a pressure relief valve (15) is arranged on the pressure relief pipe, the liquid outlet pipe is communicated with a return pipe (11), a discharge pipe is arranged at the lower end of the water distributor (10), and a second valve (16) is arranged on the discharge pipe.

9. The apparatus for recycling a gaseous solvent according to claim 1, wherein: and a third valve (17) and a one-way valve (18) are sequentially arranged on the return pipe (11).