CN104862013A - Charging system for biomass solid waste and hazardous waste - Google Patents
Charging system for biomass solid waste and hazardous waste Download PDFInfo
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- CN104862013A CN104862013A CN201510270939.4A CN201510270939A CN104862013A CN 104862013 A CN104862013 A CN 104862013A CN 201510270939 A CN201510270939 A CN 201510270939A CN 104862013 A CN104862013 A CN 104862013A
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Abstract
The invention discloses a charging system for biomass solid waste and hazardous waste. A furnace front bin acts as an intermediate furnace front buffer device used for adjusting dry material front pretreatment and preparation capacity and dry material gasification treatment capacity, and materials are provided for next-level conveying equipment; the bin is designed to be of an outer wall rotation type, the whole bin has a small upper part and a large lower part, and the effect of breaking arching to prevent material throttling is achieved; a constant weight feeder is arranged under the furnace front bin, the conveying amount of the materials can be effectively adjusted through variable frequency speed regulation, and the aim of constant weight feeding is achieved; a pneumatic high-temperature quick blocking valve is arranged below the outlet of the constant weight feeder and can be used for quickly blocking lower flame and fume under the condition that a great amount of in-furnace fume flows out, the further diffusion of the fume is prevented, and the protection effect is achieved; meanwhile, equipment is interlocked with an emergency discharging device in the front of a furnace and a spraying device, and the effect of protecting safety of the equipment and the materials is achieved by the equipment, the emergency discharging device and the spraying device.
Description
Technical field
The present invention relates to the biomass class resource utilization system technical field being applicable to pyrolytic gasification technique, particularly a kind of biomass class solid waste and the useless feeding system of danger.
Background technology
Biomass waste is mankind's wastes that production and consumption produces in the process utilizing biomass.Its traditional processing mode comprises landfill and burning, but there are needs takies a large amount of soil, and easily brings the problem of secondary pollution, more especially has the refuse of hazardness.
Current, the biomass waste of China has the advantages that generation is large, labile organic compound content is high, if effectively can utilize it, not only can decreasing pollution, and also will contribute to alleviating China's energy starved present situation.
Summary of the invention
In view of this, the invention provides a kind of biomass class solid waste and the useless feeding system of danger, for the biomass class recycling of pyrolytic gasification technique, the requirement of follow-up gasification, and combustion can be met.
For achieving the above object, the invention provides following technical scheme:
A kind of biomass class solid waste and the useless feeding system of danger, comprise solid-state material loading feed system; Described solid-state material loading feed system comprises: stokehold feed bin and feed mechanism; And the quick-break valve be provided with in the path of described feed mechanism for blocking flame and flue gas.
Preferably, also comprise in the path of described feed mechanism and be provided with temperature measuring equipment, described temperature measuring equipment is connected with the communication of described quick-break valve, and when the measuring tempeature of described temperature measuring equipment is higher than preset temperature, described quick-break valve blocks the path in described feed mechanism.
Preferably, multiple feeding device is provided with in described feed mechanism, multiple described feeding device is all connected with described temperature measuring equipment communication, and when the measuring tempeature of described temperature measuring equipment is higher than preset temperature, the direction order that multiple described feeding device advances according to material stops successively.
Preferably, emergency venting device and spraying cooling equipment is also provided with in described feed mechanism, both are all connected with described temperature measuring equipment communication, and when the measuring tempeature of described temperature measuring equipment is higher than preset temperature, described emergency venting device and described spraying cooling device start.
Preferably, described stokehold feed bin is rotary.
Preferably, the cross-sectional area of the inner chamber bottom of described stokehold feed bin is greater than the cross-sectional area on its top.
Preferably, the joining place of described feeding path and described vapourizing furnace is provided with the gradually little remaining portion of lumenal cross-section.
Preferably, in described remaining portion, feeding wind apparatus is provided with.
Preferably, liquid material loading feed system is also comprised; Described liquid material loading feed system comprises transferpump, stokehold flow container and multiple liquid storage tank; Wherein, the discharge port of multiple described liquid storage tank is all communicated in the opening for feed of described stokehold flow container, and described transferpump is connected between described liquid storage tank and described stokehold flow container.
Preferably, described liquid material loading feed system also comprises spraying gun, and the opening for feed of described spraying gun is communicated in the discharge port of described stokehold flow container.
As can be seen from above-mentioned technical scheme; biomass class solid waste provided by the invention and the useless feeding system of danger; in a large amount of external reflux of gasification inner flue gas of the stove to blocking below flame and flue gas when feeding path fast; to prevent the further diffusion of flame and flue gas, the safety effect of proterctive equipment and material (i.e. above-mentioned biomass class solid waste and endanger useless) can be played.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of the solid-state material loading feed system that Fig. 1 provides for the embodiment of the present invention;
The device structure schematic diagram of the solid-state material loading feed system that Fig. 2 provides for the embodiment of the present invention;
The schematic flow sheet of the biomass class solid waste that Fig. 3 provides for the embodiment of the present invention and the useless feeding system of danger.
Embodiment
The invention discloses a kind of biomass class solid waste and the useless feeding system of danger, for the biomass class recycling of pyrolytic gasification technique, the requirement of follow-up gasification, and combustion can be met.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-Fig. 3, the schematic flow sheet of the solid-state material loading feed system that Fig. 1 provides for the embodiment of the present invention; The device structure schematic diagram of the solid-state material loading feed system that Fig. 2 provides for the embodiment of the present invention; The schematic flow sheet of the biomass class solid waste that Fig. 3 provides for the embodiment of the present invention and the useless feeding system of danger.
The biomass class solid waste that the embodiment of the present invention provides and the useless feeding system of danger, its core improvement is, comprises solid-state material loading feed system; This solid-state material loading feed system comprises: stokehold feed bin and feed mechanism; And the quick-break valve be provided with in the path of feed mechanism for blocking flame and flue gas, so that be fed in the process of vapourizing furnace by the solid substances in the feed bin of stokehold, in vapourizing furnace, smoke backflow is to blocking flame and flue gas when feed mechanism.
As can be seen from above-mentioned technical scheme; the biomass class solid waste that the embodiment of the present invention provides and the useless feeding system of danger; in a large amount of external reflux of gasification inner flue gas of the stove to blocking below flame and flue gas when feeding path fast; to prevent the further diffusion of flame and flue gas, the safety effect of proterctive equipment and material (i.e. above-mentioned biomass class solid waste and endanger useless) can be played.
As preferably, also comprise and be provided with temperature measuring equipment in the path of feed mechanism, this temperature measuring equipment is connected with the communication of quick-break valve, and when the measuring tempeature of temperature measuring equipment is higher than preset temperature, quick-break valve blocks the path in feed mechanism.This preset temperature is the critical temperature for judging whether to occur tempering determined according to practical situation.Certainly, a kind of comparatively conventional embodiment is just given at this, those skilled in the art know, and can also judge whether the backflow that there occurs flame and flue gas, do not repeat them here by devices such as the pressure condition in monitoring feeding path or gaseous constituents.
In order to optimize above-mentioned technical scheme further, multiple feeding device is provided with in feed mechanism, multiple feeding device is all connected with temperature measuring equipment communication, and when the measuring tempeature of temperature measuring equipment is higher than preset temperature, the direction order that multiple feeding device advances according to material stops successively, i.e. the in-house each feeding device of feed-disabling (be in the present embodiment successively stopping constant feeder and front-furnace feeding machine) successively.By the above-mentioned mode stopped successively according to material working direction order, can effectively stop subsequent material to enter or close tempered area, and avoid the blocking of material in local, efficient and rational.Temperature measuring equipment can also be connected with the handling equipment communication of preorder, namely by the mechanism of siccative storehouse to material loading in the feed bin of stokehold,, then when the measuring tempeature of temperature measuring equipment is higher than preset temperature, the handling equipment of preorder stops prior to the feeding device of feed mechanism.
On the basis of above scheme, emergency venting device and spraying cooling equipment is also provided with in feed mechanism, both are all connected with temperature measuring equipment communication, and when the measuring tempeature of temperature measuring equipment is higher than preset temperature, emergency venting device and spraying cooling device start, discharge in time in order to avoid be subject to the impact of tempering by the solid substances in feeding path, and reduce the temperature tissue burning of feeding path and interior material thereof by the mode of spray.Realized the safety effect of proterctive equipment and material by above-mentioned three kinds of chain measures simultaneously.As preferably, quick-break valve is Pneumatic high temperature quick-break valve, and this valve actuation power is provided by air compressor machine pressurized air, realizes the function of quick acting switching-off, and valve body material is high-temperature resistant material.
Acting as of stokehold feed bin regulates preposition pre-treatment to prepare snubber assembly before the intermediate furnace of siccative ability and gasification process siccative ability, plays as subordinate's handling equipment provides material simultaneously.In the preferred embodiment that this programme provides, stokehold feed bin is that outer wall is rotary, and the merry-go-round type bunker namely in Fig. 1 and Fig. 2 is put up a bridge to avoid material.Its spinfunction can be driven by the master wheel of engagement and pinion(gear) and realize.And the high-order radar type material meter that is provided with too much causes overflowing to avoid material wherein in this merry-go-round type bunker.
In the specific embodiment that this programme provides, solid substances is entered by the top of stokehold feed bin, then discharges by below it.Further, the cross-sectional area of the inner chamber bottom of stokehold feed bin is greater than the cross-sectional area on its top, and its entirety is up-small and down-big structure, plays the effect that broken arch prevents fluffy material; Be the divergent-cone wall that internal diameter from top to bottom increases gradually at this rotatable stokehold feed bin.
The constant feeder that stokehold feed bin is divided into, effectively can be adjusted the operational throughput of material, play the object of dosing by speed control by frequency variation.Be front-furnace feeding machine under Pneumatic high temperature quick-break valve, also incomplete same according to the form of the different feeding machines of material, its principal feature is auger type conveying, and the material low to rate of compression adopts twin axle auger, the employing single shaft varying pitch auger high to rate of compression.
In order to optimize above-mentioned technical scheme further, the quantity of quick-break valve is multiple, adjacent two have a certain distance interval be arranged in feeding path, jointly play better isolated fast before and after the effect of material.General employing two quick-break valves, a mid-way (as depicted in figs. 1 and 2) being arranged on feeding path, another is installed into the end of path, namely near the opening for feed place of vapourizing furnace, and the material of main part of rearmounted quick-break valve makes of low heat conductivity, on-deformable material, plays heat insulation effect.
In the specific embodiment that this programme provides, the joining place of feeding path and vapourizing furnace is provided with the gradually little remaining portion of lumenal cross-section, alters for blocking outside gasification inner flue gas of the stove, ensureing that in feeding machine be complete occupied state.As preferably, the bottom surface of this remaining portion is by the part of stating vapourizing furnace higher than its part near feeding path, and namely its bottom surface is the closer to the higher scarp of vapourizing furnace, and its structure can with reference to shown in Fig. 2.Be not specifically limited at this as its angle of inclination, those skilled in the art can adopt the remaining portion of different lengths and inclined bottom surface angle according to the material situation of reality and reaction needed etc., or in remaining portion, adopt bottom surface level and the downward-sloping mode of end face.
In order to optimize above-mentioned technical scheme further, in remaining portion, be provided with feeding wind apparatus.Concrete, can arrange feeding wind in remaining portion place annular according to the density of material and rate of compression, feeding air port is oblique towards in stove, and between blast pipe and body of heater radial direction, gradient is at 0-45 degree, its structure please refer to shown in Fig. 2, specifically can adopt the feeding wind that feeding wind swirler provides above-mentioned.
The biomass class solid waste that the embodiment of the present invention provides and the useless feeding system of danger, also comprise liquid material loading feed system; This liquid material loading feed system comprises transferpump, stokehold flow container and multiple liquid storage tank; Wherein, the discharge port of multiple liquid storage tank is all communicated in the opening for feed of stokehold flow container, and transferpump is connected between liquid storage tank and stokehold flow container; The discharge port of stokehold flow container is for being communicated with the opening for feed of vapourizing furnace.Liquid material is separately deposited according to classification, when needing material loading by one or more introducing stokehold flow containers wherein; By separately depositing and material loading charging, avoid influencing each other between dissimilar liquid material; Afterwards the liquid material in the flow container of stokehold is transported in vapourizing furnace.
In the specific embodiment that this programme provides, liquid material loading feed system also comprises wiper mechanism, from the clear water of expansion tank through pump delivery in liquid storage tank, as shown in Figure 3, stokehold flow container is introduced at one or more liquid materials, and be transported to after in vapourizing furnace, can first clean stokehold storage tank with clear water as required, other liquid material of reprocessing; Or clean when impurity blocks.As preferably, in above-mentioned wiper mechanism, hot water is adopted to clean.
In order to optimize above-mentioned technical scheme further, liquid material loading feed system also comprises spraying gun, and the opening for feed of spraying gun is communicated in the discharge port of stokehold flow container.The opening for feed place of spraying gun is provided with the first orifice plate, and discharge port is provided with the second orifice plate, and the sidewall of middle portion offers multiple air jet orifices.Liquid material radially advances in pipeline, is first split into the very thin current of multiply by the first orifice plate, enters in the spray chamber in spraying gun afterwards, and multiply air is radially sprayed in border through air jet orifices; In above-mentioned spray chamber, liquid-to-air fully contacts mixing, in conjunction with realization atomization; Eventually pass the second orifice plate and spray into vapourizing furnace.Above-mentioned air can be provided by air compressor machine, temporary in compressed air tank.
In addition, according to the difference of calorific value, and the actual needs of subsequent treatment process, operative liquid material can also be delivered directly in combustion tower and directly burn.
In the preferred embodiment that this programme provides, be transported to before in vapourizing furnace at liquid material, first carry out preheating to it, specifically can carry out at the interchanger place after the flow container of stokehold, for follow-up gasification provides good basis, its structure can with reference to shown in Fig. 3.
By the above-mentioned liquid material loading feeding process for liquid material characteristic, meet the demand of dissimilar material, the biomass class solid waste of perfect this programme and the useless material loading technique of danger.
Please refer to shown in Fig. 1, material loading technique convey materials in order, to deliver to high-order stokehold feed bin (can by bucket type lift or embedded scraper transporter or high angle belt conveyer transfer roller or pipe chain conveyor etc.) by screw conveyor under siccative storehouse, ground by material; As preferably, for avoiding the airborne dust, emission of bad smell etc. in material conveying process, handling equipment should be closed conveying.
In sum, embodiments provide a kind of biomass class solid waste and the useless feeding system of danger, stokehold feed bin wherein act as and regulates preposition pre-treatment to prepare snubber assembly before the intermediate furnace of siccative ability and gasification process siccative ability, play as subordinate's handling equipment provides material simultaneously, this silo design is that outer wall is rotary, overall up-small and down-big, above 2 are played the effect that broken arch prevents fluffy material;
Constant feeder divided into by stokehold feed bin, effectively can be adjusted the operational throughput of material, play the object of dosing by speed control by frequency variation;
Constant feeder outlet below is provided with Pneumatic high temperature quick-break valve, this valve can fast block below flame and flue gas when inner flue gas of the stove is altered in a large number outward, prevent the further diffusion of flue gas, play the effect of protection, simultaneously the emergency venting device of this equipment and stokehold and spray equipment chain, three realizes the safety effect of proterctive equipment and material simultaneously, and this valve actuation power is provided by air compressor machine pressurized air, realize the function of quick acting switching-off, valve body material is high-temperature resistant material;
Be front-furnace feeding machine under Pneumatic high temperature quick-break valve, also incomplete same according to the form of the different feeding machines of material, its principal feature is auger type conveying, the material low to rate of compression adopts twin axle auger, the employing single shaft varying pitch auger high to rate of compression, the cohesive position of feeding machine and vapourizing furnace arranges the remaining portion of different angles simultaneously, this remaining portion is altered for blocking outside gasification inner flue gas of the stove, ensure that in feeding machine be complete occupied state, simultaneously feeding wind can be set in remaining portion place annular according to the density of material and rate of compression, feeding air port is oblique towards in stove, between blast pipe and body of heater radial direction, gradient is at 0-45 degree.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. biomass class solid waste and the useless feeding system of danger, is characterized in that, comprise solid-state material loading feed system; Described solid-state material loading feed system comprises: stokehold feed bin and feed mechanism; And the quick-break valve be provided with in the path of described feed mechanism for blocking flame and flue gas.
2. biomass class solid waste according to claim 1 and the useless feeding system of danger, it is characterized in that, also comprise in the path of described feed mechanism and be provided with temperature measuring equipment, described temperature measuring equipment is connected with the communication of described quick-break valve, and when the measuring tempeature of described temperature measuring equipment is higher than preset temperature, described quick-break valve blocks the path in described feed mechanism.
3. biomass class solid waste according to claim 2 and the useless feeding system of danger, it is characterized in that, multiple feeding device is provided with in described feed mechanism, multiple described feeding device is all connected with described temperature measuring equipment communication, and when the measuring tempeature of described temperature measuring equipment is higher than preset temperature, the direction order that multiple described feeding device advances according to material stops successively.
4. biomass class solid waste according to claim 3 and the useless feeding system of danger, it is characterized in that, emergency venting device and spraying cooling equipment is also provided with in described feed mechanism, both are all connected with described temperature measuring equipment communication, and when the measuring tempeature of described temperature measuring equipment is higher than preset temperature, described emergency venting device and described spraying cooling device start.
5. the biomass class solid waste according to claim 1-4 any one and the useless feeding system of danger, it is characterized in that, described stokehold feed bin is rotary.
6. biomass class solid waste according to claim 5 and the useless feeding system of danger, it is characterized in that, the cross-sectional area of the inner chamber bottom of described stokehold feed bin is greater than the cross-sectional area on its top.
7., according to biomass class solid waste according to claim 6 and the useless feeding system of danger, it is characterized in that, the joining place of described feeding path and described vapourizing furnace is provided with the gradually little remaining portion of lumenal cross-section.
8., according to biomass class solid waste according to claim 7 and the useless feeding system of danger, it is characterized in that, in described remaining portion, be provided with feeding wind apparatus.
9. biomass class solid waste according to claim 1 and the useless feeding system of danger, is characterized in that, also comprise liquid material loading feed system; Described liquid material loading feed system comprises transferpump, stokehold flow container and multiple liquid storage tank; Wherein, the discharge port of multiple described liquid storage tank is all communicated in the opening for feed of described stokehold flow container, and described transferpump is connected between described liquid storage tank and described stokehold flow container.
10. biomass class solid waste according to claim 1 and the useless feeding system of danger, it is characterized in that, described liquid material loading feed system also comprises spraying gun, and the opening for feed of described spraying gun is communicated in the discharge port of described stokehold flow container.
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| CN201510270939.4A CN104862013B (en) | 2015-05-25 | 2015-05-25 | A kind of biomass class solid waste and dangerous waste feeding system |
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| CN201510270939.4A CN104862013B (en) | 2015-05-25 | 2015-05-25 | A kind of biomass class solid waste and dangerous waste feeding system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109422104A (en) * | 2017-08-30 | 2019-03-05 | 黑龙江如柏科技有限公司 | A kind of bin component and the paper pulp production line with it |
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