CN220750765U - Continuous sintering equipment of active carbon rod - Google Patents

Abstract

The utility model discloses continuous sintering equipment for activated carbon rods, which comprises a hopper, a molding machine barrel, a push rod, a pushing driving device, a rotary driving device and a heating coil, wherein the molding machine barrel is provided with a stacking section, a heating section, a molding section and a cooling section which are sequentially communicated, the stacking section is provided with a material receiving opening, and the hopper can be communicated with the material receiving opening; the stacking section is connected with a push rod, and the pushing driving device is connected with the push rod to drive the push rod to reciprocate in the forming machine barrel; when the pushing driving device retreats, the rotary driving device can drive the push rod to rotate so that raw materials can be conveyed to the stacking section from the material receiving opening, and the heating coil is arranged on the heating section and the forming section. The utility model can solve the problems of rough surface, large pore diameter difference of product filtering precision caused by uneven specific gravity of raw material particles; solving the problem of low production efficiency; solves the problem that only small-caliber products and thin-wall products can be produced; solves the problems of punching and clamping caused by water vapor aggregation in the continuous sintering process.

Description

Continuous sintering equipment of active carbon rod

Technical Field

The utility model relates to continuous sintering equipment for an activated carbon rod.

Background

With the improvement of people's consumption level and environmental awareness, the sintered activated carbon rod filter core made of ultra-high molecular weight polyethylene and activated carbon powder has good filtering effect and high use efficiency, and the market occupancy gradually exceeds that of the common polyethylene extruded (compressed) activated carbon rod filter core and also has the trend of replacing the granular activated carbon filter core.

Because the ultra-high molecular weight polyethylene has no fluidity, the common screw extrusion can not process the product, and the sintered active carbon rod filter element in the market at present is sintered and formed by adopting a single sleeve die sintering process and an oil cylinder plunger process.

The prior art has the following defects:

1. and (5) sleeve die sintering and forming: the ultra-high molecular weight polyethylene is adopted as the binder and is mixed with the activated carbon powder, then the mixture is poured into a metal mold, and then the metal mold is put into an oven or a tunnel furnace for long-time sintering molding. The usage amount of the adhesive in the process is generally more than 35%, the active ingredient active carbon occupies less amount in the filter element, a set of die is needed for each filter element, the die investment is large, the sintering time is long, the oven or the tunnel furnace is not used for directly heating raw materials, the energy waste is large, the productivity is low, the labor cost is high, and if the automatic production is used, the equipment investment is large, and the output ratio of the die investment is unequal;

2. molding and sintering the oil cylinder plunger by adopting a process; the simple cylinder piston type pushing raw materials are continuously heated and formed in the barrel, the problems of blocking of the push head and the punching (frying) chamber caused by the fact that water escapes after heating and the ultrahigh molecular weight polyethylene is free of fluidity and easy to block are solved, the diameter of the barrel is enlarged at the rear section of forming, part of problems are solved to a certain extent, and other problems can occur:

a. the water content of the raw materials is high, if the water content of the raw materials is high, the raw materials are easy to cause steam expansion to form a flushing (frying) chamber, and the processing is troublesome;

b. the raw materials are active carbon and an ultra-high molecular weight binder which are fully mixed, but the raw materials are pushed by a height fall of a hopper sliding down and a push rod in a machine barrel to form air flow, so that the active carbon powder ultra-high molecular weight polyethylene with inconsistent granularity and proportion is layered, large particles are arranged on the upper part, small particles are arranged on the lower part, the sintered product has different appearances, different smoothness and roughness, and the product filtering precision is greatly reduced;

c. the production efficiency is low, the existing heating mode of the piston type continuous sintering equipment in the market is limited, the heating mode is simply based on a heating ring outside a machine barrel, the heat conducting performance of raw material activated carbon powder and ultra-high molecular weight polyethylene is poor, the heat conduction time is long, and in order to produce qualified products, the machine pushing speed can only be reduced, and the production efficiency is low;

d. the push head is easy to be blocked, and is not suitable for producing products with large caliber and thick wall thickness; the piston type continuous sintering equipment heated by the machine barrel is single in heating mode, so that when a product with large caliber and large wall thickness is produced, the surface is easy to bond well, the internal binder is not melted, the product is unqualified, and the product cannot be used; if the production speed is reduced, the heating time is prolonged, the raw materials run slowly in the machine barrel, the surface of the raw materials is seriously thermally polymerized, the push rod is easy to be blocked when the ultra-high molecular weight polyethylene contacted with the machine barrel is overheated, and a large amount of water in the machine barrel cannot be brought out in time to gather in the machine barrel, the high temperature is expanded, and the problem of flushing (frying) the chamber occurs.

Disclosure of Invention

According to one aspect of the present utility model, there is provided an activated carbon rod continuous sintering apparatus comprising:

the device comprises a hopper and a molding machine barrel, wherein the molding machine barrel is provided with a stacking section, a heating section, a molding section and a cooling section which are sequentially communicated, the stacking section is provided with a material receiving opening, and the hopper can be communicated with the material receiving opening;

the pushing device is connected with the pushing rod to drive the pushing rod to carry out piston type reciprocating motion in the forming machine barrel;

the rotary driving device is used for driving the push rod to rotate when the pushing driving device retreats so that raw materials can be conveyed from the material receiving port to the stacking section;

and the heating coil is arranged on at least one of the stacking section, the heating section and the forming section.

According to the continuous sintering equipment for the active carbon rod, through the arrangement of the pushing driving device and the rotating driving device, the push rod can make reciprocating movement of the piston in the forming machine barrel and rotate during retraction, so that continuous sintering can be carried out on raw materials, and water vapor generated in the continuous sintering process can be discharged along with rotation of the push rod through the material receiving port or the output end of the cooling section, so that the problems of rough surface and large pore diameter difference of product filtering precision caused by uneven specific gravity of raw material particles are solved; solves the problem of low production efficiency; solves the problem that only small-caliber products and thin-wall products can be produced; solves the problems of flushing and blocking caused by water vapor aggregation in the continuous sintering process.

In some embodiments, at least one of the stacking section, the heating section, and the forming section is provided with an exhaust vent.

In some embodiments, the vent is formed at the junction between the stacking section and the heating section, and the heating section and the shaping section.

In some embodiments, the stacking section is connected with the heating section and the heating section is connected with the forming section through flange assemblies respectively, and the exhaust holes are formed on the two flange assemblies.

In some embodiments, each of the flange assemblies includes an output flange connectable to the input flange and forming an exhaust gap in communication with the interior of the forming barrel, the exhaust gap acting as an exhaust vent, the output flange being adapted to be connected to an output end of the accumulation section or an output end of the heating section, and an input flange adapted to be connected to an input end of the heating section or an input end of the forming section.

In some embodiments, each of the flange assemblies further includes a protrusion formed on one of the output flange and the input flange and a groove formed on the other of the output flange and the input flange, the protrusion having a length on the rotational center axis of the forming barrel that is less than the length of the groove on the rotational center axis of the forming barrel, the protrusion being capable of forming a vent gap in cooperation with the groove as a vent hole.

In some embodiments, the vent holes are a plurality of vent grooves cut from the groove along the circumference thereof.

In some embodiments, the preheating machine further comprises a preheating machine barrel, a preheating coil, a feeding screw and a feeding driving device, wherein the preheating machine barrel is provided with a feed inlet and a discharge outlet which are communicated with the inside of the preheating machine barrel, the hopper is communicated with the discharge outlet through the feed inlet, the discharge outlet is connected with the discharge outlet, the preheating coil is arranged on the preheating machine barrel, one end of the feed inlet is connected with the feeding screw, and the feeding driving device is connected with the feeding screw to drive the feeding screw to rotate in the preheating machine barrel so as to sequentially pass through the discharge outlet and the discharge outlet.

In some embodiments, the preheating cylinder is provided with a water vapor outlet.

In some embodiments, the number of the vapor discharge ports and the preheating coils is plural, and each of the vapor discharge ports and the preheating coils is distributed at intervals.

Drawings

FIG. 1 is a schematic diagram of a continuous sintering apparatus for activated carbon rods according to the present utility model;

fig. 2 is an exploded view of the flange assembly of the present utility model.

In the figure: 1. an electric appliance control box; 2. a feeding driving device; 3. a hopper; 4. a feed screw; 5. preheating the machine barrel; 6. a water vapor outlet; 7. preheating a coil; 8. a pushing driving device; 9. a rotation driving device; 10. a conductive slip ring; 11. a push rod; 12. heating the inner rod; 13. a stacking section; 14. a material receiving port; 15. a heating section; 16. a heating coil; 17. an exhaust hole; 18. a molding section; 19. a product outlet; 20. a cooling section; 21. an output flange; 22. an input flange; 23. a protrusion; 24. a groove.

Detailed Description

The present utility model will now be described in further detail with reference to the accompanying drawings, wherein the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and include, for example, either fixedly attached, detachably attached, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the above description, descriptions of the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

As shown in fig. 1-2, the embodiment provides an active carbon rod continuous sintering device, which is actually an active carbon rod filter medium high-efficiency continuous sintering device using ultra-high molecular weight polyethylene as a binder, and comprises a hopper 3, a molding machine barrel, a push rod 11, a pushing driving device 8, a rotary driving device 9 and a heating coil 16, wherein the molding machine barrel is provided with a stacking section 13, a heating section 15, a molding section 18 and a cooling section 20 which are sequentially communicated, the stacking section 13 is provided with a material receiving port 14, and the hopper 3 can be communicated with the material receiving port 14; one end of the stacking section 13 is connected with a push rod 11, and the pushing driving device 8 is connected with the push rod 11 to drive the push rod 11 to carry out piston type reciprocating motion in the forming machine barrel; when the pushing driving device 8 retreats, the rotary driving device 9 is used for driving the push rod 11 to rotate so that raw materials can be conveyed from the material receiving opening 14 to the stacking section 13; the heating coil 16 is provided on at least one of the stacking section 13, the heating section 15, and the shaping section 18, preferably on the stacking section 13, the heating section 15, and the shaping section 18 at the same time. Of course, in other embodiments, the heating coil 16 is provided only on any one of the three sections of the stacking section 13, the heating section 15, and the shaping section 18, or, alternatively, the heating coil 16 is provided only on any two of the three sections of the stacking section 13, the heating section 15, and the shaping section 18.

On the basis of the structure, through setting up pushing drive device 8 and rotary drive device 9, can make push rod 11 carry out piston type back and forth motion and rotatory when the back in the shaping barrel, and then can carry out continuous sintering to the raw materials, and the steam that produces in the continuous sintering process can be discharged through receiving port 14 or the output of cooling section 20 along with the rotation of push rod 11 to can solve following problem at least: 1. the problem of rough surface caused by uneven specific gravity of raw material particles and large pore diameter difference of product filtering precision; 2. solves the problem of low production efficiency; 3. solves the problem that only small-caliber products and thin-wall products can be produced; 4. solves the problems of flushing and blocking caused by water vapor aggregation in the continuous sintering process.

In particular implementation, the number of heating coils 16 is set to be plural, and the number of heating coils 16 on the accumulation section 13, the heating section 15, and the shaping section 18 is gradually increased in the output direction of the product. Therefore, the heating efficiency is further improved, and the product quality is improved.

Specifically, the push rod 11 is arranged in a spiral shape, and the materials are fed in a spiral manner and mixed again at the same time of pushing.

More specifically, a product outlet 19 is provided in the end of the forming barrel at the cooling section 20 remote from the forming section 18, so that the cooled activated carbon rod product in the forming barrel can be discharged from the product outlet 19.

In this embodiment, the pushing driving device 8 is preferably an oil cylinder, so that the continuous sintering device for activated carbon rods has a simple structure and is convenient to manufacture. In other embodiments, the pushing driving device 8 may be a driving member such as a cylinder, a motor, or the like.

In this embodiment, the rotary driving device 9 is preferably a hydraulic motor, so that the continuous sintering device for activated carbon rods has a simple structure and is convenient to manufacture. In other embodiments, the rotation driving device 9 may be a driving member such as a cylinder, an oil cylinder, or the like.

In the specific implementation, the exhaust hole 17 may be formed in only one of the stacking section 13, the heating section 15 and the molding section 18, or the exhaust hole 17 may be formed in two of the stacking section 13, the heating section 15 and the molding section 18, and of course, the exhaust hole 17 may be formed in all of the stacking section 13, the heating section 15 and the molding section 18. Thereby, the variety of the installation positions of the exhaust holes 17 is increased.

In this embodiment, the vent hole 17 is formed at the connection between the stacking section 13 and the heating section 15, and between the heating section 15 and the forming section 18, so that the diversity of the arrangement positions of the vent hole 17 can be further improved.

In this embodiment, the stacking section 13 is connected to the heating section 15, and the heating section 15 is connected to the forming section 18 through flange assemblies, respectively, and the exhaust holes 17 are formed in the two flange assemblies. Therefore, the disassembly and assembly between the stacking section 13 and the heating section 15, and between the heating section 15 and the forming section 18 are convenient, the exhaust hole 17 is arranged on the flange assembly, the structure of the flange assembly is reasonably utilized, the structure of the continuous sintering equipment of the active carbon rod is facilitated to be simplified, the manufacture is convenient, and the purposes of saving materials and reducing cost are achieved.

In the present embodiment, each of the flange assemblies includes an output flange 21 and an input flange 22, the output flange 21 being connectable to the input flange 22 and formed with an exhaust gap communicating with the inside of the molding cylinder, the exhaust gap being as the exhaust hole 17, the output flange 21 being for connection with the output end of the accumulating section 13 or the output end of the heating section 15, and the input flange 22 being for connection with the input end of the heating section 15 or the input end of the molding section 18. Therefore, the flange assembly is reasonably arranged, the vent hole 17 is formed between the connected output flange 21 and the input flange 22, holes are not required to be formed in the molding machine barrel to manufacture the vent hole 17, effective connection between the stacking section 13 and the heating section 15 and effective connection between the heating section 15 and the molding section 18 are realized, and the molding machine barrel is convenient to manufacture.

Specifically, the output flange 21 and the input flange 22 are detachably connected, and the detachable connection can be in a threaded connection, a clamping connection or other connection modes, so that the purpose of convenient disassembly and assembly is achieved.

In the present embodiment, the output flange 21 is connected to the output end of the accumulating section 13 or the output end of the heating section 15 and is formed with a groove 24, the input flange 22 is connected to the input end of the heating section 15 or the input end of the forming section 18 and is formed with a protrusion 23, the length m of the protrusion 23 on the rotation center axis of the forming barrel is smaller than the length n of the groove 24 on the rotation center axis of the forming barrel, and the protrusion 23 can form an exhaust gap as the exhaust hole 17 in cooperation with the groove 24. In this way, by providing the protrusions 23 and the grooves 24 between the input flange 22 and the output flange 21, the exhaust gap formed by the protrusions 23 and the grooves 24 is used as the exhaust hole 17 to exhaust the vapor generated by heating the raw materials in the section, so that the exhaust hole 17 is formed between the connected output flange 21 and the input flange 22, and no holes are required to be formed in the molding barrel to manufacture the exhaust hole 17, thereby facilitating the manufacture of the exhaust hole 17.

In other embodiments, the protrusion 23 is formed on the output flange 21 and the groove 24 is formed on the input flange 22.

In a preferred embodiment, the protrusion 23 has a convex surface, and the corresponding groove 24 has a concave surface, preferably, the concave surface is provided with an exhaust groove with a width not more than 2mm cut into eight equal parts along the circumferential direction, so as to form the exhaust hole 17, facilitate the smooth exhaust of steam from the flange, and further improve the exhaust efficiency of the exhaust hole 17. Specifically, the slot is preferably a "m" slot, which can better improve the exhaust efficiency of the exhaust hole 17. Of course, in the specific implementation, the number and the width of the exhaust holes 17 can be set according to actual needs, and the cutting of the exhaust grooves on the concave surface can also be the same direction of exhaust after the unequal cutting.

In this embodiment, this continuous sintering equipment of active carbon stick still includes preheating barrel 5, preheating coil 7, feeding screw 4 and feeding drive 2, be provided with feed inlet and the discharge gate that link up preheating barrel 5 inside on the preheating barrel 5, hopper 3 passes through feed inlet and discharge gate intercommunication, the material receiving mouth 14 links up with the discharge gate, preheating coil 7 sets up on preheating barrel 5, the one end of feed inlet links to each other with feeding screw 4, feeding drive 2 links to each other with feeding screw 4 in order to drive feeding screw 4 rotation in preheating barrel 5 and the raw materials in the feed inlet pass through the discharge gate in proper order, material receiving mouth 14. In this way, by arranging the preheating machine barrel 5 and adopting the feeding driving device 2 to drive the feeding screw 4 in the preheating machine barrel 5 to rotate, the raw materials in the hopper 3 can fall into the feeding hole and then sequentially conveyed to the discharging hole and the receiving hole 14, and under the heating action of the preheating coil 7, the raw materials in the preheating machine barrel 5 can be subjected to preheating treatment. Because the raw materials in the hopper 3 are processed by mixing, the raw materials can be further mixed and heated better along with the rotation of the feeding screw 4, and moisture and water vapor generated by the heated raw materials can be discharged through the discharge port. In particular, the number of the preheating coils 7 is set to at least two, and the respective preheating coils 7 are arranged in the direction of the rotation center axis of the preheating cylinder 5, so that the preheating efficiency can be further improved.

In this embodiment, the feeding driving device 2 is preferably a feeding speed reducing motor, so that the continuous sintering device for activated carbon rods has a simple structure and is convenient to manufacture. In other embodiments, the feeding driving device 2 may be a driving member such as a cylinder, an oil cylinder, or the like.

Specifically, the preheating cylinder 5 is located at the upper side of the molding cylinder, and the discharge port is located right above the material receiving port 14, so that raw materials can be pushed out of the discharge port by the feeding screw 4 and then effectively fall into the material receiving port 14 under the action of gravity.

In this embodiment, the preheating cylinder 5 is provided with the water vapor outlet 6, so that moisture and water vapor generated by the heated raw material in the preheating cylinder 5 are mainly discharged through the water vapor outlet 6, which is beneficial to improving the exhaust efficiency and better solving the problems of flushing and blocking caused by water vapor aggregation in the continuous sintering process. Specifically, the number of the water vapor discharge ports 6 is set to at least two, and the respective water vapor discharge ports 6 are spaced apart from the preheating coil 7, thereby improving the exhaust efficiency while improving the preheating efficiency.

In this embodiment, be provided with the heating interior pole 12 on the push rod 11, rotary drive 9 and heating interior pole 12 electric connection are in order to supply power for heating interior pole 12, under the cooperation of heating coil 16, can realize that the interior pole 12 of shaping barrel internal heating and shaping barrel external heating coil 16 heat simultaneously, guarantee that the product can heat penetrating, and output can be improved by a wide margin when improving the qualification rate of product.

Specifically, the continuous sintering device for activated carbon rods further comprises an electrically conductive slip ring 10, and the rotary driving device 9 is electrically connected with the heating inner rod 12 through the electrically conductive slip ring 10 to supply power to the heating inner rod 12. Like this, adopt conductive slip ring 10 and rotary drive 9 to connect and heat for heating interior pole 12, realized that interior pole 12 of shaping barrel and shaping barrel external heating coil 16 heat simultaneously, guarantee that the product can heat penetrating, output can be improved by a wide margin when improving the qualification rate of product.

In addition, the continuous sintering device for activated carbon rods in the embodiment further comprises an electrical control box 1, wherein the electrical control box 1 can be electrically connected with the preheating coil 7, the feeding driving device 2, the pushing driving device 8, the rotary driving device 9 and the heating coil 16 respectively, so that the actions of the components can be controlled.

In the concrete implementation, the continuous sintering equipment of the activated carbon rod further comprises a cutting machine and a motor switch, wherein the electric control box 1 is respectively and electrically connected with the cutting machine and the motor switch, the motor switch is arranged at the front end of the product outlet 19 along the product discharging direction, the motor switch is used for sending a control signal to the electric control box 1, and the electric control box 1 receives the control signal and controls the action of the cutting machine.

When the continuous sintering equipment for the active carbon rod is used, 10-20 parts of ultra-high molecular weight polyethylene and 80-90 parts of active carbon powder are mixed, poured into a feed hopper 3, all parameters are set on an electric appliance control box 1, a preheating coil 7 is opened, a feeding speed reducing motor is opened after the preset temperature is reached, a feeding screw is driven to rotate, the raw materials are preheated by a heated preheating machine barrel 5, and part of the water in the raw materials is discharged through a water vapor discharge port 6 after being heated. The preheated mixed raw materials fall into a material receiving port 14 of a molding machine barrel below through a material outlet of a preheating machine barrel 5, enter a stacking section 13 of the molding machine barrel, open an oil cylinder, a hydraulic motor, a conductive slip ring 10 and a heating coil 16 through an electric control box 1, connect a heating inner rod 12 through the conductive slip ring 10, pass through a push rod 11 and extend to a place, which is about 10cm away from a product outlet 19, of the molding machine barrel. The oil cylinder performs reciprocating forward and backward movements, the hydraulic motor rotates when backward movements are performed, and the material of the material receiving port 14 is sent into the stacking section 13 for continuous stacking and forming; the heating coil 16 is heated at high temperature, water vapor in the raw material is heated again and is discharged through the exhaust holes 17 at the joint of the two flanges, the distance between the protrusions 23 and the grooves 24 between the output flange 21 and the input flange 22 is 1mm, the protrusions 23 are provided with convex surfaces, and the convex surfaces are provided with'm' -shaped grooves with the width of 0.5-1 mm, so that the water vapor can be fully discharged. The stacked and molded mixed raw materials are heated and molded in a machine barrel by the heating coil 16 and the heating inner rod 12 at the same time, along with the pushing of an oil cylinder, the surface of the activated carbon powder is bonded and uniformly deposited by the melted ultra-high molecular weight polyethylene, so that an activated carbon rod product consistent with the inner diameter size of the molding machine barrel is obtained, a material-free space is formed when the oil cylinder retreats, at the moment, the push rod 11 starts to rotate, the mixed raw materials are conveyed to a cavity, the oil cylinder pushes the mixed raw materials again to enter, and the operation is repeated, the activated carbon rod product is naturally cooled at the tail end and cut off according to the required length after coming out from the product outlet 19, and the required sintered activated carbon rod filter core can be obtained.

The device comprises:

1. the independent preheating machine barrel 5 is adopted to remove water, so that the heating efficiency of the forming section 18 is improved, and the subsequent processing difficulty is reduced;

2. the push rod 11 adopts a spiral push rod, and rotates for feeding under the action of a hydraulic motor, so that the effects of mixing materials again and avoiding layering are achieved;

3. the heating inner rod 12 and the hydraulic motor are electrified and heated through the conductive slip ring 10, and are heated while rotating, so that the heating inner rod 12 in the forming machine barrel and the heating coil 16 outside the forming machine barrel are heated simultaneously, the heating permeability of the product is ensured, and the yield of the product is improved greatly while the yield is improved;

4. the original exhaust mode of the multi-section flange joint is adopted, so that the vapor is timely discharged, the problem of flushing is avoided, and continuous and stable production is ensured while the appearance of the product is not influenced;

5. the internal and external simultaneous heating mode and the flange joint exhaust method can ensure that the equipment can continuously sinter active carbon rod filter core products with the wall thickness of about 200mm and a plurality of ultra-large outer diameters, fill the blank of manufacturing large-caliber sintered active carbon rod filter cores in China, and the sintered active carbon rod filter cores can be widely applied to the aspect of large-scale industrial pollution treatment.

In addition, the embodiment also provides an implementation method of the continuous sintering equipment for the activated carbon rod, which comprises the following steps:

mixing: mixing activated carbon powder and ultra-high molecular weight polyethylene in proportion;

and (3) forming: the mixed raw materials are led into a hopper 3, the mixed and preheated raw materials fall into a forming machine barrel in a preheating machine barrel 5, the mixed raw materials entering a stacking section are subjected to piston type reciprocating motion by a pushing driving device 8, when the pushing driving device 8 backs, the pushing driving device 9 drives the pushing rod 11 to rotate, the raw materials in a receiving port 14 are pushed into the stacking section 13, the raw materials in the stacking section 13 are stacked, the stacked raw materials sequentially pass through a heating section 15, a forming section 18 and a cooling section 20 under the action of the pushing rod 11, water vapor in the raw materials is heated again and evaporated and discharged under the high-temperature heating of a heating coil 16, ultra-high molecular weight polyethylene is melted, the surfaces of activated carbon powder are bonded and uniformly deposited together, an activated carbon rod product with the same diameter size as the forming machine barrel is obtained in the forming section 18, and the activated carbon rod product is naturally cooled and discharged in the cooling section 20.

In the embodiment, in the mixing step, 10-20 parts of ultra-high molecular weight polyethylene and 80-90 parts of activated carbon powder are mixed, so that the quality of an activated carbon rod product is improved. Specifically, the molecular weight of the ultra-high molecular weight polyethylene is preferably 150-500 ten thousand, and the activated carbon powder is 80-325 meshes. The ultra-high molecular weight polyethylene without fluidity and blocking the micropores of the active carbon is used as the binder, the consumption of the binder is small, the ratio of active carbon powder serving as an active ingredient is high, the filtering effect is improved, and the cost is effectively reduced.

In this embodiment, the implementation method of the continuous sintering device for activated carbon rod further includes a preheating step, and the preheating step: the temperature in the preheating machine barrel 5 is 80-120 ℃, the feeding driving device 2 is adopted to drive the feeding screw 4 to rotate in the preheating machine barrel 5, so that raw materials are continuously heated, moisture and water vapor are discharged, and the raw materials at the feeding port are conveyed to the discharging port and then fall into the receiving port 14 of the stacking section 13. In this way, the raw material is continuously heated in the preheating cylinder 5, and moisture and water vapor are discharged.

In the present embodiment, the water vapor inside the molding cylinder is mainly discharged from the vent hole 17, thereby improving the venting efficiency of the molding cylinder.

In the present embodiment, the moisture and water vapor inside the preheating cylinder 5 are mainly discharged from the vapor discharge port, thereby improving the exhaust efficiency of the preheating cylinder 5.

The method comprises the following steps:

1. the active carbon powder and the ultra-high molecular weight polyethylene which are mixed according to the proportion are poured into a hopper 3, the temperature in a preheating machine barrel 5 is 80-120 ℃, and the preheating machine barrel 5 adopts a feeding speed reducing motor to drive a feeding screw rod to rotate and advance, so that the raw materials are continuously heated in the preheating machine barrel 5, and moisture and water vapor are discharged;

2. under the pushing of a feeding screw, the preheated raw materials continuously fall into a material receiving port 14 of a molding machine barrel below, enter the molding machine barrel, open an oil cylinder through an electric control box 1, rotate by a hydraulic motor when the oil cylinder moves backwards, and uniformly push the preheated raw materials in the material receiving port 14 into a stacking section 13 of the molding machine barrel by a push rod 11, and the raw materials are continuously and uniformly mixed due to the fact that the push rod 11 is in a continuously uniform rotation state while feeding;

3. the raw materials in the molding machine barrel are continuously piled up and molded under the action of the push rod 11, and under the high-temperature heating of the heating coil 16, the water vapor in the raw materials is heated and evaporated again and is discharged through the exhaust hole 17 at the flange joint. The oil cylinder is retracted and pushed forward again, the mixed raw materials are sent into a heating section 15, and are heated by a heating coil 16 and a heating inner rod 12 in a molding machine barrel at the same time, ultra-high molecular weight polyethylene is welded, the surfaces of the activated carbon powder are bonded and uniformly dissolved together, and an activated carbon rod product with the same diameter and size as those in the molding machine barrel is obtained;

4. the oil cylinder retreats to form a material-free space in the molding machine barrel, the push rod 11 starts to rotate, the hydraulic motor rotates to push the raw materials into the molding machine barrel again through the material receiving port 14, and the step 2 is repeated to push and feed the raw materials;

5. under the continuous action of the raw materials in the heating section 15, the raw materials enter the forming section 18, the heating coil 16 of the forming section continuously acts, the raw materials are continuously heated inside and outside the heating inner rod 12 through the heating coil 16 to obtain the required formed carbon rod, the raw materials are continuously and simultaneously cooled naturally forwards in a sliding rail groove of the product outlet 19 through a product outlet 19 on the cooling section 20, a trigger motor switch is set at the front section in the required length, the motor switch is naturally abutted when the front section of the activated carbon rod reaches the required length, the power of a cutter is switched on, and a cutting sheet rotates downwards to cut the activated carbon rod to obtain the product in the required length.

The high-efficiency continuous sintering process adopted by the continuous sintering equipment for the active carbon rod in the embodiment is subjected to effect test with the active carbon rod product prepared by the existing sleeve die sintering forming process and the oil cylinder plunger forming process, and the test results are as follows:

compared with the prior art, the active carbon rod product prepared by the continuous active carbon rod sintering equipment in the embodiment has smooth and compact appearance, the single-machine productivity is far higher than the productivity of the sleeve die sintering molding process and the cylinder plunger molding process, the product qualification rate is higher, the energy is saved, the environment is protected, and the removal rate of residual chlorine after water supply is better.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims (10)

1. An activated carbon rod continuous sintering apparatus, comprising:

the device comprises a hopper and a molding machine barrel, wherein the molding machine barrel is provided with a stacking section, a heating section, a molding section and a cooling section which are sequentially communicated, the stacking section is provided with a material receiving opening, and the hopper can be communicated with the material receiving opening;

the pushing device is connected with the pushing rod to drive the pushing rod to carry out piston type reciprocating motion in the forming machine barrel;

the rotary driving device is used for driving the push rod to rotate when the pushing driving device retreats so that raw materials can be conveyed from the material receiving port to the stacking section;

and the heating coil is arranged on at least one of the stacking section, the heating section and the forming section.

2. The continuous sintering apparatus for activated carbon rod according to claim 1, wherein at least one of the stacking section, the heating section and the molding section is provided with an exhaust hole.

3. The continuous sintering apparatus for activated carbon rod according to claim 2, wherein the vent hole is formed at the junction between the stacking section and the heating section, and between the heating section and the molding section.

4. The continuous sintering apparatus for activated carbon rods as set forth in claim 3, wherein the stacking section and the heating section, and the heating section and the molding section are connected by flange assemblies, respectively, and the exhaust holes are formed in both flange assemblies.

5. The continuous sintering apparatus for activated carbon rods as claimed in claim 4, wherein each of the flange assemblies includes an output flange and an input flange, the output flange being connectable to the input flange and formed with an exhaust gap communicating with the inside of the molding cylinder, the exhaust gap being used as an exhaust hole, the output flange being for connection with an output end of the stacking section or an output end of the heating section, and the input flange being for connection with an input end of the heating section or an input end of the molding section.

6. The continuous sintering apparatus for activated carbon rod of claim 5, wherein each of the flange assemblies further comprises a protrusion formed on one of the output flange and the input flange and a groove formed on the other of the output flange and the input flange, the protrusion having a length on the rotation center axis of the molding barrel that is smaller than the length of the groove on the rotation center axis of the molding barrel, the protrusion being capable of forming a vent gap in cooperation with the groove as a vent hole.

7. The continuous sintering apparatus for activated carbon rod as in claim 6, wherein the vent holes are a plurality of vent grooves cut along the circumference thereof.

8. The continuous sintering device for activated carbon rods according to claim 1, further comprising a preheating cylinder, a preheating coil, a feeding screw and a feeding driving device, wherein a feed port and a discharge port which penetrate through the inside of the preheating cylinder are arranged on the preheating cylinder, the hopper is communicated with the discharge port through the feed port, the discharge port is connected with the discharge port, the preheating coil is arranged on the preheating cylinder, one end of the feed port is connected with the feeding screw, and the feeding driving device is connected with the feeding screw to drive the feeding screw to rotate in the preheating cylinder so as to sequentially pass raw materials in the feed port through the discharge port and the discharge port.

9. The continuous sintering device for activated carbon rods according to claim 8, wherein the preheating cylinder is provided with a water vapor outlet.

10. The continuous sintering apparatus for activated carbon rods as in claim 9, wherein the number of said vapor discharge ports and said preheating coils are each provided in plural, each of said vapor discharge ports and said preheating coils being spaced apart.