CN210766161U

CN210766161U - Tail gas recovery continuous type steam explosion equipment

Info

Publication number: CN210766161U
Application number: CN201921151118.9U
Authority: CN
Inventors: 刘鉴钰; 黄兴元
Original assignee: Lattice Power Jiangxi Corp
Current assignee: Lattice Power Jiangxi Corp
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-06-16
Anticipated expiration: 2029-07-22

Abstract

The utility model relates to a tail gas recovery continuous type steam explosion equipment, including actuating mechanism, feed mechanism, screw conveyor, discharge mechanism and the steam supplementing device who connects gradually. Enough steam is sent into from steam supply source department when the machine starts at the beginning, and later steam then carries out cyclic utilization, retrieves steam from cyclone pipeline department, keeps warm through steam return air pipeline and retrieves to steam inlet department to retrieve the fine particle material in cyclone exhaust gas and prevent its polluted environment, and through check valve control replenishment required steam volume and guarantee that steam can not produce the backward flow phenomenon. The utility model relates to a tail gas recovery continuous type steam explosion equipment can realize cyclic utilization, reduction material loss, simple structure, convenient operation, energy consumption low, can carry out automatic serialization industrial production of steam.

Description

Tail gas recovery continuous type steam explosion equipment

Technical Field

The utility model relates to a living beings raw materials preliminary treatment technical field, concretely relates to tail gas recovery continuous type steam explosion equipment.

Background

The biomass is widely used in the fields of papermaking pulping, alcohol fermentation, artificial board and wood-plastic composite material preparation and the like, and proper pretreatment is beneficial to efficient utilization of plant fibers. The pretreatment technology for the plant fiber at present mainly comprises mechanical pretreatment, chemical pretreatment, biological pretreatment and the like. The steam explosion technology based on physical-chemical action attracts people's attention with the advantages of no pollution, low cost, good effect, etc.

The plant fiber steam explosion equipment is mainly divided into a batch type and a continuous type. The intermittent steam explosion equipment has discontinuous production, long time consumption, low production rate, incapability of realizing industrialized continuous production and difficult industrialized popularization; compared with the technology of intermittent steam explosion equipment, the continuous steam explosion equipment has the advantages of large processing capacity, high efficiency and suitability for large-scale industrial application, but the continuous steam explosion equipment has less continuous equipment and high equipment price, and the steam of the traditional continuous steam explosion equipment in the using process cannot be recycled, so that the production cost is high, and in addition, tiny materials are mixed in the discharged waste steam and are scattered in the air to cause environmental pollution and waste of the materials.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Based on this, the utility model discloses an overcome a great deal of weak point that prior art exists, provide a continuous type steam explosion equipment is retrieved to tail gas, can realize the continuity steam explosion of material, and equipment structure is simple, steam explosion is effectual, pollute for a short time, the energy consumption is low.

(II) technical scheme

The technical scheme of the utility model: a tail gas recovery continuous steam explosion device comprises a driving mechanism, a feeding mechanism, a spiral conveying mechanism, a discharging mechanism and a steam supplementing device; actuating mechanism relies on the shaft coupling to be connected with screw conveyor and for it provides drive power, feed mechanism is connected and is connected with steam supplement mechanism's air inlet through pipeline and screw conveyor's feed inlet, screw conveyor's tail end is connected with discharge mechanism's temporary storage bin, discharge mechanism passes through cyclone and separates material and steam, the discharge gate through cyclone carries out the ejection of compact, retrieve steam to steam supplement mechanism through the return air duct of cyclone top and carry out cyclic utilization, retrieve the fine particle material in the cyclone exhaust waste gas, and prevent its polluted environment.

After the feeding mechanism feeds materials, the materials are compacted under the action of the cylinder piston and the needle valve and then enter a feed port pipeline of the screw conveyor.

And a feed inlet of the feeding mechanism is vertically upward.

The spiral conveying mechanism is arranged below the feeding mechanism and is connected with feeding and air inlet through a feeding hole pipeline.

The screw conveying mechanism comprises a screw, a machine barrel and a heating ring, and the screw is axially aligned with the machine barrel during installation.

And a heating ring is arranged outside a machine barrel of the spiral conveying mechanism, and can assist in heating when the temperature is insufficient, so that the materials reach the blasting temperature when entering the temporary storage bin.

The screw conveying mechanism pushes the materials to advance through high-speed rotation of the screw rod and gradually pressed, the temperature of the materials rises under the action of friction and steam among the materials, between the materials and the screw rod and between the materials and the machine barrel in the process, and the materials are in a high-temperature and high-pressure state when being conveyed to the temporary storage bin and are prepared to be blasted and discharged under the control of the next spraying and discharging valve.

Because the material contains certain moisture, when the material is continuously discharged from the blow-off valve, the high-temperature and high-pressure water in the material is instantaneously released, the superheated water is quickly vaporized and rapidly expanded to generate an 'explosion' effect, so that the bunched tissue structure of the material is damaged, and the dissociation of material cells is realized.

The material that discharge mechanism temporary storage storehouse was kept in is blasted through the control of blow-off valve, lets the material follow the discharge gate ejection of compact under cyclone's effect, and steam then leads to steam supplement mechanism circulation through the steam return air pipeline that cyclone upper portion is connected and recycles to retrieve the fine particle material in the cyclone exhaust gas, and prevent its polluted environment.

And a discharge hole of the discharge mechanism is vertically downward.

The steam supplementing device is arranged beside the feeding mechanism, one end of the steam supplementing device is connected with a feeding pipeline of the screw conveyer through a pipeline, the one-way valve is arranged between the steam supply source and the air inlet and used for supplementing and controlling the amount of steam required by steam explosion, the other end of the steam supplementing device is connected with an air return pipeline above the cyclone separator and used for recycling the steam, and a heat insulation sleeve is arranged outside the air return pipeline and used for ensuring the temperature of the steam.

The steam supplementing device is used for feeding a sufficient amount of steam from the steam supply source when the machine is started, and then the steam is recycled, so that the amount of the steam required by the next explosion is supplemented under the control of the one-way valve, and the steam is prevented from flowing backwards.

(III) advantageous effects

Compared with the prior art, the utility model has the advantages of it is following and beneficial effect: the utility model relates to a tail gas recovery continuous type steam explosion equipment compares with traditional steam explosion equipment, can cyclic utilization steam, can also retrieve the fine particle material in cyclone exhaust gas to prevent its polluted environment.

The utility model relates to a tail gas recovery continuous type steam explosion equipment can realize the cyclic utilization of steam, provides the source from steam and sends into the steam of sufficient volume when the machine starts at first, later steam then carries out cyclic utilization, retrieves steam from cyclone pipeline department, retrieves to steam inlet department through steam return air pipeline, supplements required steam volume and guarantees that steam can not produce palirrhea phenomenon through the check valve control, has reduced manufacturing cost.

The utility model discloses continuous type steam explosion equipment simple structure, retrieve the fine particle material in cyclone exhaust gas to prevent its polluted environment, convenient operation, energy consumption low, can carry out automatic serialization industrial production.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Reference numerals: the device comprises a motor 1, a speed reducer 2, a machine barrel 3, a screw rod 4, a heating ring 5, a temporary storage bin 6, a spraying valve 7, a cyclone separator 8, a discharge hole 9, a steam return pipe 10, a heat insulation sleeve 11, a one-way valve 12, a steam supply source 13, a needle valve 14, a feed inlet 15 and a cylinder-piston 16.

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.

Embodiment 1, please refer to fig. 1, a tail gas recovery continuous steam explosion device includes a driving mechanism, a feeding mechanism, a spiral conveying mechanism, a discharging mechanism and a steam supplement device in sequence. As shown in figure 1, the driving mechanism comprises a motor 1 and a speed reducer 2, the motor 1 and the speed reducer 2 are connected through a coupling, the motor 1 and the speed reducer 2 are connected through another coupling and are composed of a cylinder 3, a screw rod 4 and a heating ring 5, the feeding mechanism consists of a needle valve 14, a cylinder 16, a piston 16 and a feeding hole 15, the discharging mechanism is provided with a temporary storage bin 6, a spray valve 7, a cyclone separator 8 and a discharging hole 9, and the steam supplementing device comprises a steam return pipe 10, a heat insulation sleeve 11, a steam supply source 13 and a check valve 12.

Embodiment 2, please refer to fig. 1, a tail gas recovery continuous steam explosion device, wherein: a steam supply source 13 in the steam supplementing device is communicated with a steam return pipe 10, a heat insulation sleeve 11 is arranged on the outer wall of the steam return pipe 10, a one-way valve 12 is arranged in the middle of the steam supply source 13, enough steam is fed from the steam supply source 13 when the machine is started at the beginning, the steam is recycled, the steam amount required by next explosion is supplemented under the control of the one-way valve 12, and the steam is prevented from flowing backwards. The rest is the same as example 1.

Embodiment 3, please refer to fig. 1, a tail gas recycling continuous steam explosion apparatus, wherein: the working process of the continuous steam explosion equipment is as follows: the material enters from the feed inlet 15, is conveyed to the control part of the needle valve 14 by the cylinder-piston 16 and is pressed into the conveying pipeline, and meanwhile, the steam supplementing mechanism starts to feed the steam amount required by the blasting. The driving mechanism drives the screw rod 4 of the screw conveyer to rotate at a high speed through the transmission mechanism, so as to push the materials to advance and be gradually pressed, and the temperature of the materials is increased due to the friction among the materials, the screw rod 4 and the machine barrel 3. When the materials are conveyed to the temporary storage bin 6, the materials are in a high-temperature and high-pressure state and are ready to be blasted and discharged under the control of the next-step blow-off valve 7. Because the material contains certain moisture, when the material is continuously discharged from the blow-off valve 7, the high-temperature and high-pressure water in the material is instantaneously released, the superheated water is quickly vaporized and rapidly expanded to generate an 'explosion' effect, so that the bunched tissue structure of the material is damaged, and the dissociation of material cells is realized. Then the material is discharged from the discharge hole of the cyclone separator 8, and the steam return pipe 10 is used for heat preservation and recycling of steam and fine particle materials in the waste gas discharged by the cyclone separator 8, and preventing the fine particle materials from polluting the environment. The rest is the same as example 1.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

1. The utility model provides a tail gas recovery continuous type steam explosion equipment which characterized in that: comprises a driving mechanism, a spiral conveying mechanism, a discharging mechanism, a steam supplementing device and a feeding mechanism, the driving mechanism comprises a motor, a coupling and a speed reducer, the spiral conveying mechanism comprises a machine barrel, a heating ring, an air inlet connected with a one-way valve of the steam supplementing mechanism, a feed inlet connected with a needle valve of the feed mechanism, a discharge outlet connected with a temporary storage bin of the discharge mechanism and a screw rod for heating and conveying materials, discharge mechanism includes temporary storage storehouse, the control of temporary storage material and spouts the valve of putting, the cyclone of separation steam and material, steam recovery mouth and discharge gate, and steam supplementing device includes that steam return air pipeline, the outer insulation cover of return air pipeline, steam supplement air inlet and control steam get into the non-palirrhea check valve, and feed mechanism includes the cylinder, promotes piston, feed inlet and the needle valve of control material compression that the material was carried.

2. The tail gas recovery continuous steam explosion equipment as claimed in claim 1, wherein: the screw conveying mechanism provides power through the driving mechanism, a screw rod in the machine barrel is connected with the speed reducer, the screw rod is axially aligned with the machine barrel, a single screw rod conveys materials entering from the feeding hole and heats the materials through a heating ring, the tail end of the machine barrel is connected with a temporary storage bin capable of temporarily storing the materials, and the heating ring for assisting in heating the materials to ensure the blasting temperature is further arranged outside the machine barrel.

3. The tail gas recovery continuous steam explosion equipment as claimed in claim 1, wherein: the material that follows screw conveyer and carry gets into the temporary storage storehouse, carries out steam explosion to the material by temporary storage storehouse one side blow-off valve control time, and the result after the blasting gets into cyclone, and the steam return air pipeline behind the cyclone retrieves the fine particle material in the cyclone exhaust gas, and the material is followed the discharge gate ejection of compact, and steam keeps warm through steam return air pipeline and returns to steam inlet department.

4. The tail gas recovery continuous steam explosion equipment as claimed in claim 1, wherein: the steam supply source in the steam supplementing device is communicated with the steam return pipe, the outer wall of the steam return pipe is provided with a heat insulation sleeve, and the middle part of the steam supply source is provided with a one-way valve.

5. The tail gas recovery continuous steam explosion equipment as claimed in claim 1, wherein: the feed inlet is connected with a needle valve of the feeding mechanism, and the feed inlet is also connected with a one-way valve of the steam supplementing mechanism to provide required steam.