CN213067075U

CN213067075U - Environment-friendly energy-saving calcium carbide furnace

Info

Publication number: CN213067075U
Application number: CN202021286470.6U
Authority: CN
Inventors: 丁顶; 欧明乐; 李昌义; 熊修畏; 况建亮; 陈森; 刘军
Original assignee: Anhui Hwasu Corp
Current assignee: Anhui Hwasu Corp
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-04-27
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses an environmental protection and energy saving calcium carbide furnace, which relates to the technical field of calcium carbide production and aims at the technical problems that the residual energy of the existing calcium carbide furnace can not be effectively utilized and the environmental pollution can not be reduced, comprising a reaction furnace, wherein electrodes are arranged in the reaction furnace, a lifting plate for taking out calcium carbide is arranged in the reaction furnace, the lifting plate is in sliding fit with a motor, the lifting plate is in sliding fit with the reaction furnace, two pull ropes are fixedly connected on the lifting plate, the two pull ropes are symmetrical about the circle center of the lifting plate, the pull ropes are connected with a traction mechanism, the two traction mechanisms are arranged at two sides of the reaction furnace, and a cooling structure for cooling the pull ropes is arranged on the pull ropes; the utilization of the residual energy of the reaction furnace is realized, and the pollution emission is reduced.

Description

Environment-friendly energy-saving calcium carbide furnace

Technical Field

The utility model relates to a carbide production technical field especially relates to an environmental protection and energy saving carbide stove.

Background

The main components of calcium carbide are inorganic compounds and white crystals, and the industrial product is a gray black block with a purple or gray section. When it meets water, it reacts violently to generate acetylene and generate heat. Calcium carbide is an important basic chemical raw material, and is mainly used for producing acetylene gas. Also used for organic synthesis, oxyacetylene soldering, etc.

The existing method for producing calcium carbide usually produces the calcium carbide by a calcium carbide furnace, namely, the calcium carbide is produced by melting and reacting calcium carbide and carbon-containing raw materials (coke, anthracite or petroleum coke) in the calcium carbide furnace at high temperature by virtue of an electric arc.

The prior art can produce the calcium carbide, but because this kind of production mode of discharging after directly heating directly discharges the most heat in the reacting furnace directly, the surplus energy can not effectively be utilized, and is great to the environmental destruction.

Disclosure of Invention

The utility model provides an environmental protection and energy saving carbide stove has solved the remaining energy of current carbide stove and can not effectively utilize and can't reduce environmental pollution's technical problem.

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

an environment-friendly and energy-saving calcium carbide furnace comprises a reaction furnace, wherein electrodes are arranged in the reaction furnace, a lifting plate for taking out calcium carbide is arranged in the reaction furnace, the lifting plate is in sliding fit with a motor, two pull ropes are fixedly connected to the lifting plate, the two pull ropes are symmetrical about the circle center of the lifting plate, the pull ropes are connected with traction mechanisms, the two traction mechanisms are arranged on two sides of the reaction furnace, and cooling structures for cooling the pull ropes are arranged on the pull ropes;

the reactor comprises a reaction furnace and is characterized in that a cover body is arranged at the top end of the reaction furnace, a separator is arranged on the cover body, an air outlet is formed in the top end of a shell of the separator, a dust collecting box is arranged at the bottom end of the separator, a volute for separating dust particles is arranged in the separator, an air inlet pipe communicated with an air inlet of the volute is arranged on the separator, a water pipe is arranged on the inner wall of the shell, the water inlet end of the water pipe penetrates through the side wall of the shell, and the water outlet end of the water pipe is located at the.

Preferably, the reaction furnace includes shell body and inside lining, the inside lining rigid coupling is in the inner wall of shell body, the inside lining inner wall is provided with two spouts, two the spout about the centre of a circle symmetry of shell body, the lifter plate be provided with spout sliding fit's arch, the bottom rigid coupling base of shell body, the electrode is installed on the base.

Preferably, the top of shell body is provided with the breach, breach department is provided with the drum that is used for changing stay cord direction of motion, the both ends rigid coupling round bar of drum, the round bar with the short slab rotates to be connected, the short slab rigid coupling is in on the shell, the breach is worn to establish by the stay cord, the stay cord is walked around the drum.

Preferably, the traction mechanism comprises a motor and a base, the motor is fixedly connected with the base, the output end of the motor is fixedly connected with a speed reducer, the output end of the speed reducer is fixedly connected with a winch, supporting pieces are arranged at two ends of the winch, two ends of the winch are rotatably connected with the supporting pieces, the supporting pieces are fixedly connected with the base, and the base is in a stepped shape;

the support piece is provided with a disc used for changing the movement direction of the pull rope, a rotating shaft penetrates in the axial direction of the disc, the disc is rotatably connected with the rotating shaft, the rotating shaft is fixedly connected with the support piece, and the pull rope bypasses the disc.

Preferably, the cooling structure comprises an air box, a water outlet is formed in the top end of the air box, a water inlet is formed in the bottom end of the air box, control valves for controlling water flow are arranged on the water inlet and the water outlet, and the pull rope penetrates through the air box. The fan is arranged at one end of the air box, the heat absorbing sheets are arranged at the other end of the air box and made of aluminum, the heat absorbing sheets are communicated with the top water outlet, and the bottom ends of the heat absorbing sheets are communicated with the water inlet.

Preferably, a water storage tank is further arranged outside the reaction furnace shell, a heat exchanger is arranged at one end of the water storage tank, the water storage tank is communicated with the heat exchanger, a main water pipe is communicated with the input end of the heat exchanger, the main water pipe is communicated with the water outlet end and the water outlet of the water pipe respectively, the water storage tank is communicated with the water inlet end of the water pipe and the water inlet through a pipeline, and a pressure pump is arranged on the pipeline.

The utility model provides an environment-friendly and energy-saving calcium carbide furnace. Compared with the prior art, the method has the following beneficial effects:

1. set up the lifter plate in the reacting furnace through the setting, pull through the stay cord for the lifter plate can conveniently rise or descend, thereby can be convenient put into the carbide raw materials and take out the carbide, the stay cord is heated in the reacting furnace at towed in-process, and the heat absorption on the part stay cord can be effectively utilized to the heat of reacting furnace through cooling structure after.

2. The separator is provided with an air inlet pipe communicated with the volute air inlet, the inner wall of the shell is provided with a water pipe, the water inlet end of the water pipe penetrates through the side wall of the shell, and the water outlet end of the water pipe is located at the top end of the shell. The volute is used for separating dust particles in waste gas, and the water pipe is arranged to reduce the gas temperature in the separator, so that the residual heat of the reaction furnace can be effectively utilized, and the dust particles are reduced to be discharged to the atmosphere.

Drawings

Fig. 1 is a schematic view of a first three-dimensional structure of an environment-friendly and energy-saving calcium carbide furnace provided by the utility model;

fig. 2 is a schematic view of a second three-dimensional structure of the environment-friendly and energy-saving calcium carbide furnace provided by the utility model;

FIG. 3 is a schematic structural view of the environment-friendly and energy-saving calcium carbide furnace with the cover removed;

FIG. 4 is a schematic view of a portion of the enlarged structure at A in FIG. 3;

fig. 5 is a schematic structural view of the separator of the environment-friendly and energy-saving calcium carbide furnace provided by the utility model.

Reference numbers in the figures: 1 electrode, 2 lifting plates, 3 pull ropes, 4 cover bodies, 5 shells, 6 air outlets, 7 dust collecting boxes, 8 volutes, 9 air inlet pipes, 10 water pipes, 11 outer shells, 12 linings, 13 cylinders, 14 motors, 15 bases, 16 speed reducers, 17 winches, 18 supporting pieces, 19 pressure pumps, 20 air boxes, 21 main water pipes, 22 discs, 23 water storage tanks, 24 heat exchangers, 25 fans and 26 heat absorbing sheets.

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.

The embodiment of the application provides an environmental protection and energy saving calcium carbide furnace, and solves the technical problems that the residual energy of the existing calcium carbide furnace can not be effectively utilized and the environmental pollution can not be reduced.

In an embodiment, as shown in fig. 1 to 5, an environment-friendly and energy-saving calcium carbide furnace includes a reaction furnace, an electrode 1 is arranged in the reaction furnace, a lifting plate 2 for taking out calcium carbide is arranged in the reaction furnace, the lifting plate 2 is in sliding fit with the reaction furnace, two pull ropes 3 are fixedly connected to the lifting plate 2, the two pull ropes 3 are symmetrical with respect to the center of circle of the lifting plate 2, the pull ropes 3 are connected with traction mechanisms, the two traction mechanisms are arranged on two sides of the reaction furnace, and a cooling structure for cooling the pull ropes 3 is arranged on the pull ropes 3; the electrode 1 in this embodiment is used for generating an arc and providing a reaction temperature for producing an electrode, and the electrode 1 in this embodiment is not modified, and those skilled in the art will know the technical contents in this section; the reactor comprises a reaction furnace and is characterized in that a cover body 4 is arranged at the top end of the reaction furnace, a separator is arranged on the cover body 4, an air outlet 6 is arranged at the top end of a shell 5 of the separator, a dust collecting box 7 is arranged at the bottom end of the separator, a volute 8 for separating dust particles is arranged in the separator, an air inlet pipe 9 communicated with an air inlet of the volute 8 is arranged on the separator, a water pipe 10 is arranged on the inner wall of the shell 5, the water inlet end of the water pipe 10 penetrates through the side wall of the shell 5, and the water outlet end of the water pipe 10 is located at the. The volute 8 is arranged for separating dust particles from the exhaust gases and the water pipe 10 is arranged to reduce the gas temperature in the separator.

The reacting furnace comprises an outer shell 11 and a lining 12, wherein the lining 12 is fixedly connected with the inner wall of the outer shell 11, the inner wall of the lining 12 is provided with two sliding grooves, the two sliding grooves are symmetrical about the circle center of the outer shell, the lifting plate 2 is provided with a protrusion in sliding fit with the sliding grooves, the bottom end of the outer shell 11 is fixedly connected with a base, and the electrode 1 is installed on the base. In this embodiment, the lifting plate 2 is matched with the protrusion through the sliding groove, so that the lifting plate 2 can stably ascend and descend under the traction of the two pull ropes 3.

The top of shell body 11 is provided with the breach, breach department is provided with the drum 13 that is used for changing 3 direction of motion of stay cord, the both ends rigid coupling round bar of drum 13, the round bar with the short slab rotates to be connected, the short slab rigid coupling is in on the shell, stay cord 3 wears to establish the breach, stay cord 3 bypasses drum 13. In this embodiment, the cylinder 13 is provided to facilitate pulling of the pulling rope 3.

The drive mechanism is including motor 14 and base 15, the 14 rigid couplings of motor base 15, the output rigid coupling reduction gear 16 of motor 14, the output rigid coupling capstan 17 of reduction gear 16, the both ends of capstan 17 are provided with support piece 18, the both ends of capstan 17 with support piece 18 rotates and connects, support piece 18 rigid coupling base 15, base 15 is the notch cuttype, support piece 18 is provided with the disc 22 that is used for changing 3 direction of motion of stay cord, wear to establish the axis of rotation in the axial of disc 22, disc 22 with the axis of rotation rotates and connects, the axis of rotation with support piece 18 rigid coupling, stay cord 3 has walked around disc 22. A motor 14 is provided, and the motor 14 drives the winch 17 to rotate through a speed reducer 16, so that the pulling rope 3 is pulled.

The cooling structure comprises an air box 20, a water outlet is formed in the top end of the air box 20, a water inlet is formed in the bottom end of the air box 20, control valves for controlling water flow are arranged on the water inlet and the water outlet, and the pull rope 3 penetrates through the air box 20; the air box 20 is provided with a fan 25 at one end, the other end of the air box 20 is provided with a plurality of heat absorbing sheets 26, the heat absorbing sheets 26 in the embodiment are rectangular tubes which are communicated up and down and can circulate water, the heat absorbing sheets 26 are made of aluminum, the heat absorbing sheets 26 are communicated with a water outlet at the top end of the air box 20, and the bottom ends of the heat absorbing sheets 26 are communicated with a water inlet of the air box 20. In this embodiment, in order to prolong the service life of the pull rope 3, the pull rope is cooled by air, the fan 25 blows the pull rope 3 wound on the disc 22 to dissipate heat, and part of the heat is absorbed by the heat absorbing sheet at the tail part of the bellows 20, thereby absorbing the residual heat in the reaction furnace. In this embodiment, the pull rope 3 is located at one section in the reaction furnace, so as to avoid large temperature difference after temperature reduction, thereby reducing the temperature of the pull rope 3 located outside the reaction furnace, and also protecting the pull rope 3 and the safety of operators.

The reaction furnace shell 5 is also provided with a water storage tank 23, one end of the water storage tank 23 is provided with a heat exchanger 24, the water storage tank 23 is communicated with the heat exchanger 24, the input end of the heat exchanger 24 is communicated with a main water pipe 21, the main water pipe 21 is respectively communicated with the water outlet end and the water outlet end of the water pipe 10, the water storage tank 23 is respectively communicated with the water inlet end of the water pipe 10 and the water inlet through a pipeline, and the pipeline is provided with a pressure pump 19.

The method for producing the calcium carbide by the calcium carbide furnace in the embodiment is to produce the calcium carbide by an electric heating method, namely, the calcium carbide is produced by means of arc high-temperature melting reaction of calcium carbide and carbon-containing raw materials (coke, anthracite or petroleum coke) in the calcium carbide furnace. The cover body 4 is opened, the motor 14 is controlled to rotate, the winch 17 contracts the pull rope 3, the lifting plate 2 ascends, raw materials can be placed on the lifting plate 2, the motor 14 is controlled to rotate, the winch 17 returns the pull rope 3, the lifting plate 2 descends, the lifting plate 2 slides downwards along the lining 12, the electrode 1 penetrates through the lifting plate 2, the electrode 1 is wrapped by calcium carbide, and the temperature is increased to 2000 ℃ through the electrode 1 for reaction; when the reaction is finished, the lifting plate 2 is lifted by controlling the rotation of the motor 14, so that the calcium carbide can be taken out conveniently.

A large amount of dust and hot gas can be generated in the production and processing of calcium carbide, if the dust and the hot gas are directly discharged into the atmosphere, the environment is greatly damaged, and a large amount of heat is lost; the cooling structure absorbs heat in the reaction furnace through the pull rope 3, the pull rope 3 in the embodiment is made of steel, the pull rope 3 is heated, the heat passes through the cooling structure under the traction of the traction mechanism and is transferred through heat, so that the temperature of the heat absorbing sheet 26 is increased, hot water is transferred to the heat exchanger 24 through the water outlet for use, and the hot water enters the water storage tank 23 after the water temperature is reduced; water in the separator enters from the water inlet end of the water pipe 10, absorbs heat in the separator, then flows out from the water outlet end of the water pipe 10, and is transferred to the heat exchanger 24 for use.

The inside of the separator in the embodiment is provided with a volute 8 channel, when dust-containing gas passes through the volute 8, when the dust-containing gas flow enters the shell 5 of the separator from the air inlet pipe 9 at a higher speed, the gas flow changes from linear motion into circular motion, most of the rotating gas flow spirally flows downwards along the wall from the cylinder 13 and flows towards the cone, when the dust-containing gas generates centrifugal force in the rotating process, dust particles with density higher than that of the gas are thrown towards the wall, once the dust particles are contacted with the wall, the dust particles lose inertia force and fall along the wall by the momentum of the inlet speed and the downward gravity, and then enter the dust collection box 7.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The environment-friendly energy-saving calcium carbide furnace is characterized by comprising a reaction furnace, wherein an electrode (1) is arranged in the reaction furnace, a lifting plate (2) used for taking out calcium carbide is arranged in the reaction furnace, the lifting plate (2) is in sliding fit with the reaction furnace, two pull ropes (3) are fixedly connected to the lifting plate (2), the two pull ropes (3) are symmetrical about the circle center of the lifting plate (2), the pull ropes (3) are connected with traction mechanisms, the two traction mechanisms are arranged on two sides of the reaction furnace, and a cooling structure used for cooling the pull ropes (3) is arranged on the pull ropes (3);

the reaction furnace is characterized in that a cover body (4) is arranged at the top end of the reaction furnace, a separator is arranged on the cover body (4), an air outlet (6) is formed in the top end of a shell (5) of the separator, a dust collection box (7) is arranged at the bottom end of the separator, a volute (8) used for separating dust particles is arranged in the separator, an air inlet pipe (9) communicated with an air inlet of the volute (8) is arranged on the separator, a water pipe (10) is arranged on the inner wall of the shell (5), the water inlet end of the water pipe (10) penetrates through the side wall of the shell (5), and the water outlet end of the water pipe (10) is located at the top end of the shell (.

2. The environment-friendly energy-saving calcium carbide furnace according to claim 1, wherein the reaction furnace comprises an outer shell (11) and an inner lining (12), the inner lining (12) is fixedly connected to the inner wall of the outer shell (11), the inner wall of the inner lining (12) is provided with two sliding grooves, the two sliding grooves are symmetrical about the center of a circle of the outer shell, the lifting plate (2) is provided with a protrusion in sliding fit with the sliding grooves, the bottom end of the outer shell (11) is fixedly connected with a base, and the electrode (1) is installed on the base.

3. The environment-friendly energy-saving calcium carbide furnace according to claim 2, wherein a gap is formed in the top end of the outer shell (11), a cylinder (13) used for changing the movement direction of the pulling rope (3) is arranged at the gap, round rods are fixedly connected to two ends of the cylinder (13), the round rods are rotatably connected with short plates, the short plates are fixedly connected to the outer shell, the pulling rope (3) penetrates through the gap, and the pulling rope (3) bypasses the cylinder (13).

4. The environment-friendly and energy-saving calcium carbide furnace according to claim 3, wherein the traction mechanism comprises a motor (14) and a base (15), the motor (14) is fixedly connected with the base (15), the output end of the motor (14) is fixedly connected with a speed reducer (16), the output end of the speed reducer (16) is fixedly connected with a winch (17), two ends of the winch (17) are provided with supporting pieces (18), two ends of the winch (17) are rotatably connected with the supporting pieces (18), the supporting pieces (18) are fixedly connected with the base (15), and the base (15) is of a stepped shape;

support piece (18) are provided with disc (22) that are used for changing stay cord (3) direction of motion, wear to establish the axis of rotation in the axial of disc (22), disc (22) with the axis of rotation is rotated and is connected, the axis of rotation with support piece (18) rigid coupling, stay cord (3) are walked around disc (22).

5. The environment-friendly and energy-saving calcium carbide furnace according to claim 4, wherein the cooling structure comprises an air box (20), a water outlet is formed in the top end of the air box (20), a water inlet is formed in the bottom end of the air box (20), control valves for controlling water flow are arranged on the water inlet and the water outlet, and the pull rope (3) penetrates through the air box (20);

the heat absorption device is characterized in that a fan (25) is arranged at one end of the air box (20), a plurality of heat absorption sheets (26) are arranged at the other end of the air box (20), the heat absorption sheets (26) are made of aluminum, the heat absorption sheets (26) are communicated with a water outlet in the top end of the air box (20), and the bottom ends of the heat absorption sheets (26) are communicated with a water inlet of the air box (20).

6. The environment-friendly and energy-saving calcium carbide furnace as claimed in claim 5, wherein a water storage tank (23) is further arranged outside the reaction furnace shell (5), a heat exchanger (24) is arranged at one end of the water storage tank (23), the water storage tank (23) is communicated with the heat exchanger (24), an input end of the heat exchanger (24) is communicated with a main water pipe (21), the main water pipe (21) is respectively communicated with a water outlet end and a water outlet end of the water pipe (10), the water storage tank (23) is respectively communicated with a water inlet end and a water inlet of the water pipe (10) through a pipeline, and a pressure pump (19) is arranged on the pipeline.