CN210171458U - Constant-pressure activation furnace for production of maleic anhydride catalyst - Google Patents

Abstract

The utility model discloses a constant voltage activation furnace that maleic anhydride catalyst production used, including furnace body and locomotive, the furnace body inlays at the middle part of locomotive, the upper end both sides of furnace body fixed mounting respectively have the pressure release pipe, pressure boost pipe, equal movable mounting has the valve on pressure release pipe, the pressure boost pipe, the upper end of locomotive has the booster pump through mount fixed mounting in one side that is close to the pressure boost pipe. The utility model discloses a set up and put the pipe, the pressure boost pipe, the booster pump, the manometer, digital thermometer, the cover of breathing in, the pipe, the exhaust fan case, air filter, the blast pipe, and put the pipe, set up the valve on the pressure boost pipe respectively, not only can carry out the pressure boost to the furnace body inside through the booster pump like this, press the valve on the pipe through the pine is opened and put, thereby be convenient for keep the internal constant voltage of furnace, but also can absorb the evolution to the harmful gas that produces in the maleic anhydride catalyst production process, be convenient for reduce the pollution to the environment.

Description

Constant-pressure activation furnace for production of maleic anhydride catalyst

Technical Field

The utility model relates to a maleic anhydride catalyst production technical field specifically is a constant voltage activation furnace that maleic anhydride catalyst production used.

Background

Maleic anhydride, also known as maleic anhydride, 2, 5-furandione, etc., orthorhombic colorless needle-like or sheet-like crystals, which have strong pungent odor, are soluble in ethanol, ether and acetone, and insoluble in petroleum ether and carbon tetrachloride, and react with hot water to form maleic acid, which is mainly used as a raw material for producing unsaturated polyester resin, alkyd resin, pesticide malathion, high-efficiency low-toxicity pesticide 4049 and long-acting iodoamine;

the traditional constant-pressure activation furnace for producing the maleic anhydride catalyst has the following defects:

at present, generally need keep invariable to the pressure in the furnace body at the in-process of production maleic anhydride catalyst, if pressure is unstable, can cause the influence to the performance and the quality of the product of production, be unfavorable for the use, current device is not well operated to the maleic anhydride catalyst can produce toxic gas at the in-process of production, can't handle, thereby leads to the polluted environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a constant voltage activation furnace of maleic anhydride catalyst plant use to solve the pressure that generally in the in-process of producing the maleic anhydride catalyst that proposes among the above-mentioned background art and keep invariable in the furnace body, if pressure is unstable, can cause the influence to the performance and the quality of the product of production, be unfavorable for using, current device is not well operated, and the maleic anhydride catalyst can produce toxic gas at the in-process of production, can't handle, thereby lead to the polluted environment problem.

In order to achieve the above object, the utility model provides a following technical scheme: the constant-pressure activation furnace for maleic anhydride catalyst production comprises a furnace body and a moving vehicle, wherein the furnace body is embedded in the middle of the moving vehicle, two sides of the upper end of the furnace body are respectively and fixedly provided with a pressure release pipe and a pressure boost pipe, the pressure release pipe and the pressure boost pipe are respectively and movably provided with a valve, the upper end of the moving vehicle is fixedly provided with a pressure boost pump through a fixing frame on one side close to the pressure boost pipe, the other end of the pressure boost pipe is fixedly connected with the output end of the pressure boost pump, the furnace body is fixedly provided with a pressure gauge in one side close to the pressure release pipe, a contact head of the pressure gauge is positioned in the furnace body, the front side of the top end of the furnace body is movably provided with a furnace cover through a hinge, the bottom fixed mounting of the furnace cover is provided with an air suction cover, the upper end of the moving vehicle is, the utility model discloses an air suction device, including the purifying box, the purifying box has the blast pipe keeping away from the one end fixed mounting of fan case, through pipeline fixed connection between purifying box and the air exhauster case, the one end of pipeline is passed the purifying box and is passed bolt and air filter's input fixed connection, the top fixed mounting of fan case has the pipe, movable mounting has the valve on the pipe and the other end pass the bell and with suction hood fixed connection, the pressure release pipe just communicates with each other with the pipe rigid coupling, the locomotive has the control box through connecting plate fixed mounting in the one side that is close to the booster pump, manometer, air exhauster case all through electric wire and control box electric connection.

Preferably, the inside of the air extractor box is provided with a driving motor and an impeller, and the driving motor inside the air extractor box is electrically connected with the control box through an electric wire.

Preferably, a sealing ring is fixedly mounted on the outer ring at the bottom end of the furnace cover, the inner diameter of the sealing ring is the same as the caliber of the top end of the furnace body, and the air suction cover is positioned between the inner sides of the sealing ring.

Preferably, a digital thermometer is fixedly installed on one side, close to the pressure increasing pipe, of the outer portion of the furnace body, the digital thermometer is electrically connected with the control box through an electric wire, and the contact head is located inside the furnace body.

Preferably, the casters at the four corners of the bottom end of the mobile vehicle are provided with brake devices.

Preferably, the furnace body is an electric heating furnace body.

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

1. the utility model has the advantages that the pressure gauge, the booster pump, the booster pipe and the pressure releasing pipe are arranged, and the valves are arranged on the booster pipe and the pressure releasing pipe, so that the pressure in the furnace body can reach a stable value by twisting the valves on the booster pipe and the pressure releasing pipe and then boosting by the booster pump through observing the value of the pressure gauge, and the use is very convenient; by arranging the digital thermometer, the internal temperature of the furnace body can be observed conveniently;

2. the utility model has the advantages that the air suction cover, the guide pipe, the air suction fan box and the purifying box are arranged, the air filter element is arranged in the purifying box, and the driving motor and the impeller are arranged in the air suction fan box, so that the toxic gas generated in the production process of the maleic anhydride catalyst can be absorbed and purified, and the pollution to the environment is reduced; by arranging the sealing ring, the air tightness of the furnace body can be kept, so that air leakage is prevented, and the furnace is very convenient to use.

Drawings

FIG. 1 is a schematic view of the overall structure of a constant pressure activation furnace used in the production of a maleic anhydride catalyst of the present invention;

FIG. 2 is a schematic view of the connection structure of a furnace cover, a sealing ring and an air suction cover in a constant pressure activation furnace used in the production of maleic anhydride catalyst;

fig. 3 is a schematic view of the structure of the exhaust fan inside the constant pressure activation furnace and the connection structure with the conduit for producing the maleic anhydride catalyst.

In the figure: 1-moving the vehicle; 2-a purifying box; 3-a pipeline; 4-an air exhaust fan box; 5-a catheter; 6-pressure gauge; 7-a pressure relief pipe; 8-an air suction hood; 9-furnace cover; 10-a furnace body; 11-a digital thermometer; 12-a pressure increasing pipe; 13-a booster pump; 14-a control box; 15-sealing ring.

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. 1-3, the present invention provides a technical solution: the utility model provides a constant voltage activation furnace that maleic anhydride catalyst plant use, includes furnace body 10 and locomotive 1, furnace body 10 inlays at the middle part of locomotive 1, the upper end both sides of furnace body 10 respectively fixed mounting have the pressure release pipe 7, booster pipe 12, equal movable mounting has the valve on pressure release pipe 7, the booster pipe 12, there is booster pump 13 upper end of locomotive 1 one side near booster pipe 12 through mount fixed mounting, the other end of booster pipe 12 and the output fixed connection of booster pump 13, the middle upper end fixed mounting has manometer 6 in one side near pressure release pipe 7 of furnace body 10, manometer 6's contact head is located the inside of furnace body 10, there is bell 9 top front side through hinge movable mounting of furnace body 10, the bottom fixed mounting of bell 9 has suction hood 8, one side end department of keeping away from booster pump 13 in the upper end of locomotive 1 loops through mount fixed mounting has purifying box 2, Suction fan case 4, there is air filter in the inside of purifying box 2 through bolt fixed mounting, purifying box 2 has the blast pipe at the one end fixed mounting who keeps away from suction fan case 4, through 2 fixed connection of pipeline between purifying box 2 and the air exhauster case 4, the input fixed connection of purifying box 2 and through bolt and air filter is passed to the one end of pipeline 3, suction fan case 4's top fixed mounting has pipe 5, movable mounting has valve and the other end to pass bell 9 and with 8 fixed connection of suction hood on the pipe 5, pressure relief pipe 7 and pipe 5 rigid coupling just communicate with each other, locomotive 1 has control box 14 through connecting plate fixed mounting in the one side that is close to booster pump 13, manometer 6, suction fan case 4 all pass through electric wire and 14 electric connection of control box.

A driving motor and an impeller are arranged inside the ventilator box 4, and the driving motor inside the ventilator box 4 is electrically connected with the control box 14 through an electric wire, so that the driving motor is conveniently used for driving the impeller to generate negative pressure absorption gas; a sealing ring 15 is fixedly arranged on the outer ring at the bottom end of the furnace cover 9, the inner diameter of the sealing ring 15 is the same as the caliber of the top end of the furnace body 10, and the air suction cover 8 is positioned between the inner sides of the sealing ring 15, so that air leakage can be prevented; a digital thermometer 11 is fixedly arranged on one side, close to the pressure increasing pipe, of the outer part of the furnace body 10, the digital thermometer 11 is electrically connected with a control box 14 through an electric wire, and a contact head is positioned in the furnace body 10, so that the temperature in the furnace body 10 can be monitored; the casters at the four corners of the bottom end of the moving vehicle 1 are provided with brake devices, so that the moving vehicle is convenient to move and fix; the furnace body 1 is an electric heating furnace body, so that the furnace is more environment-friendly.

The working principle is as follows: the utility model discloses when using, remove the appointed position earlier with whole device, recycle locomotive 1 and take brake equipment's truckle and fix locomotive 1, place the material of preparation maleic anhydride catalyst in furnace body 10 again, cover bell 9, then heat furnace body 10 again, when reading through observing manometer 6, when the inside atmospheric pressure of furnace body 10 is low, open the valve on booster pipe 12, close the valve on the pressure release pipe 7, reuse control box 14 starts booster pump 13, utilize booster pump 13 to fill gas into furnace body 10 through booster pipe 12, make the internal pressure intensity of pressure of furnace body 10 grow, and through observing the change of manometer 6 again, when reaching required pressure, close the valve on booster pipe 12 and break off booster pump 13 power; after the preparation is accomplished, open the valve on the pipe 5, recycle the inside driving motor of control box 14 start-up suction fan case 4, utilize driving motor to drive the impeller and rotate, produce the negative pressure for gas passes through pipe 5 and enters into air exhauster case 4 in the furnace body 10, and rethread pipeline 3 gets into in purifying box 2, discharges through the blast pipe behind the air filter element in purifying box 2 again, and it can to take out after cooling at last.

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 (6)

1. The utility model provides a constant voltage activation furnace that maleic anhydride catalyst production was used, includes furnace body (10) and locomotive (1), its characterized in that: furnace body (10) inlays at the middle part of locomotive (1), the upper end both sides of furnace body (10) respectively fixed mounting have put pressure pipe (7), pressure boost pipe (12), put and press equal movable mounting on pipe (7), pressure boost pipe (12) and have the valve, there is booster pump (13) upper end of locomotive (1) through mount fixed mounting in one side that is close to pressure boost pipe (12), the other end of pressure boost pipe (12) and the output fixed connection of booster pump (13), furnace body (10) middle and upper fixed mounting has manometer (6) in one side that is close to pressure boost pipe (7), the contact of manometer (6) is located the inside of furnace body (10), there is bell (9) top front side of furnace body (10) through hinge movable mounting, the bottom fixed mounting of bell (9) has suction hood (8), the upper end of locomotive (1) loops through mount fixed mounting in one side department of keeping away from booster pump (13) and has net clean fixed mounting Change case (2), air exhauster case (4), there is air filter in the inside of purifying box (2) through bolt fixed mounting, purifying box (2) have the blast pipe in the one end fixed mounting who keeps away from air exhauster case (4), through pipeline (3) fixed connection between purifying box (2) and air exhauster case (4), the one end of pipeline (3) is passed purifying box (2) and is passed through bolt and air filter's input fixed connection, the top fixed mounting of air exhauster case (4) has pipe (5), movable mounting has the valve and the other end pass bell (9) and with suction hood (8) fixed connection on pipe (5), put and press pipe (7) and pipe (5) rigid coupling and communicate with each other, locomotive (1) has control box (14) through connecting plate fixed mounting in the one side that is close to booster pump (13), booster pump (13), The pressure gauge (6) and the exhaust fan box (4) are electrically connected with the control box (14) through electric wires.

2. The constant pressure activation furnace for producing the maleic anhydride catalyst according to claim 1, wherein: the fan box is characterized in that a driving motor and an impeller are arranged inside the fan box (4), and the driving motor inside the fan box (4) is electrically connected with the control box (14) through an electric wire.

3. The constant pressure activation furnace for producing the maleic anhydride catalyst according to claim 1, wherein: a sealing ring (15) is fixedly mounted on the outer ring at the bottom end of the furnace cover (9), the inner diameter of the sealing ring (15) is the same as the caliber of the top end of the furnace body (10), and the air suction cover (8) is located between the inner sides of the sealing ring (15).

4. The constant pressure activation furnace for producing the maleic anhydride catalyst according to claim 1, wherein: a digital thermometer (11) is fixedly mounted on one side, close to the pressure increasing pipe, of the outer portion of the furnace body (10), the digital thermometer (11) is electrically connected with the control box (14) through an electric wire, and a contact is located inside the furnace body (10).

5. The constant pressure activation furnace for producing the maleic anhydride catalyst according to claim 1, wherein: the casters at the four corners of the bottom end of the moving vehicle (1) are provided with brake devices.

6. The constant pressure activation furnace for producing the maleic anhydride catalyst according to claim 1, wherein: the furnace body (10) is an electric heating furnace body.

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