CN205031908U - Sodium lignosulfonate's that papermaking waste liquid drawed dry heating system - Google Patents

Sodium lignosulfonate's that papermaking waste liquid drawed dry heating system Download PDF

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Publication number
CN205031908U
CN205031908U CN201520651793.3U CN201520651793U CN205031908U CN 205031908 U CN205031908 U CN 205031908U CN 201520651793 U CN201520651793 U CN 201520651793U CN 205031908 U CN205031908 U CN 205031908U
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CN
China
Prior art keywords
heating system
lignin sulfonate
sodium lignin
pipe
dry heating
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Expired - Fee Related
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CN201520651793.3U
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Chinese (zh)
Inventor
李银干
周家辉
石进军
石光利
李刚
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CHANNEL SHENHUA FOREST CHEMICAL Co Ltd
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CHANNEL SHENHUA FOREST CHEMICAL Co Ltd
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Abstract

The utility model relates to a hot air drying system of liquid specifically is a sodium lignosulfonate's that papermaking waste liquid drawed dry heating system, it includes heating stove, heat transfer room and the hot -blast air -supply line of carrying the heat transfer room that produces the heating stove, the heat transfer indoor be provided with run through the heat transfer room and rather than seamless connection's ventilation pipe with lead to the liquid pipe, the ventilation pipe with lead to during liquid guan jun is connected to the drying tower, and lead to the liquid pipe and set up the one side that is close to the air -supply line in the heat transfer room, the utility model aims at providing a sodium lignosulfonate's that papermaking waste liquid drawed dry heating system adopts indirect hot air drying, can not produce impurity to can the maximize utilize the fuel factor, reduce heat supply cost, can also guarantee that the ventilation pipe can not burnt out simultaneously, improve the life of tuber pipe.

Description

The dry heating system of the sodium lignin sulfonate that a kind of papermaking wastewater extracts
Technical field
The present invention relates to the hot air drying system of liquid, be specially the dry heating system of the sodium lignin sulfonate that a kind of papermaking wastewater extracts.
Background technology
Utilizing papermaking wastewater to prepare sodium lignin sulfonate has been the technology of comparative maturity in industry, be all obtained by the mode of acid out usually, and the sodium lignin sulfonate after preparing needs to carry out drying usually.
Existing sodium lignin sulfonate is all adopt drying tower dry mostly, and traditional drying tower drying system is by thermal medium boiler heat supply, radiator indirect heat exchange wind, and the thermal efficiency loss of this drying system is very large, and drying cost is high; Another kind of directly heated-air drying, adopt the hot blast of medium boiler directly to pass in drying tower and carry out drying, adopt and carry out drying in this way, thermal efficiency is high, and cost is low, but the impurity of product is high, and product disqualification rate improves greatly; Also has a kind of indirect thermal wind furnace drying system, adopt hot-blast stove to heat airduct, transfer heat in warm-air pipe, carry out drying the hot blast in airduct is passed into drying tower afterwards, adopt this drying mode thermal efficiency high, cost is low, does not have impurity, but, warm-air pipe is short for service life, especially the airduct being positioned at hot-blast stove heat inlet side is easy to be burned, and within general airduct 2-3 month, change with regard to needs, maintenance cost is high.
By patent retrieval, there is following known prior art:
Patent 1:
Application number: 201310076573.8, the applying date: 2013-03-11, authorized announcement date: 2013-05-29, the invention discloses a kind of intelligent heated-air drying control device, comprise the heat exchange case that is separated with multiple space, and by the hothouse that blast main is connected with heat exchange case with total backwind tube, in described heat exchange case, be provided with the heat-pump dehumidification heating system be made up of compressor, device for drying and filtering, dehumidifying evaporimeter, choke valve, heating-condensing device; The heat pipe heat exchange system be made up of described heat pipe evaporator, heat pipe condenser; The hot air circulating system be made up of high pressure refrigerant fluid connection tube, low pressure refrigerant return-air tube connector, high pressure refrigerant gas tube connector, liquid coolant tube connector, gas coolant tube connector, air draft control valve, mixed bellows, new wind control valve, secondary air flow control valve, fan assembly; And be connected to each intrasystem temperature sensor by intelligent controller, humidity sensor, hot blast temperature sensor, hot blast humidity sensor form intelligence control system.The present invention can regulate the temperature and humidity of dry air automatically, improves the efficiency of dried material.
Patent 2:
Application number: 201310118174.3, the applying date: 2013-04-08, Shen Qing Publication day: 2013-08-07, the invention discloses a kind of liquid continuous feed list cone drier, comprise conical device body, in device body, stirring arm be set, stirring arm by main shaft by driven by motor; Described drier is provided with the predrying continuous feeding device of a flow liquid formula, and this continuous feeding device comprises flow liquid structure and predrying structure two parts; Wherein flow liquid vibrational power flow is on the charging aperture of device body, it includes a head tank, the bottom of head tank is communicated with one by a valve and stretches into flow channel for liquids in device body, and flow channel for liquids is provided with some tributaries pipe inwardly, and the downside of every tributary pipe is provided with multiple small feed hole and corresponding with predrying structure.The liquid continuous feed list cone drier of the present invention's design, feeds intake for solid-state, can avoid that physics occurs, chemical reaction dissolves, then unite into block; Liquid state for thermal penetration difference directly feeds intake, and the caking of dry run can be avoided to solidify with wall built-up coking, and greatly can expand the scope of application of single cone drier, greatly reduces the discharge of atmosphere pollution.
Patent 3:
Application number: 201320747830.1, the applying date: 2013-11-25, Shen Qing Publication day: 2014-05-14, the invention discloses spray drying tower, comprise tower body, tower body top is provided with liquid material entrance and hot-wind inlet, tower body bottom is provided with at the bottom of the tower of back taper, discharge nozzle is provided with at the bottom of tower, discharge nozzle is V-shaped, discharge nozzle connects cyclone separator, it is characterized in that: the tip, lower end of discharge nozzle is provided with transparent glass window to side and downward rinse water outlet, rinse water outlet is provided with lid by sealing device, glass window is from while be hinged with dust cover, dust cover is with the handle opened.The beneficial effects of the utility model are, structure is simple, easy to use, and the sewage after cleaning is discharged convenient, can also check whether discharge nozzle is rinsed well from glass window, dust cover effectively prevents house dust to make dirty glass window, causes seeing discharge nozzle inside clearly.
Found by above retrieval, above technical scheme can not affect novelty of the present invention; And the mutual combination of above patent document can not destroy creativeness of the present invention.
Summary of the invention
The object of this invention is to provide the dry heating system of the sodium lignin sulfonate that a kind of papermaking wastewater extracts, adopt indirect heated-air drying, impurity can not be produced, and maximizedly can utilize fuel factor, reduce heat cost, can also ensure that ventilation duct can not be burned simultaneously, improve the service life of airduct.
In order to realize above object, the technical solution used in the present invention is: the dry heating system of the sodium lignin sulfonate that a kind of papermaking wastewater extracts, and it comprises heating stove (1), Heat Room (6) and the hot blast that heating stove (1) produces is transported to the blast pipe (4) of Heat Room (6); Be provided with in described Heat Room (6) run through Heat Room (6) and with the ventilation duct (7) of its seamless link and fluid-through tube (9), described ventilation duct (7) and fluid-through tube (9) are all connected in drying tower (8), and fluid-through tube (9) is arranged on the side of Heat Room (6) near blast pipe (4).
Further, the diameter of described fluid-through tube (9) is 2-5 times of ventilation duct (7) diameter.
Further, the side that described Heat Room (6) is relative with blast pipe (4) is provided with air outlet (601), and the inside of this side is provided with temperature sensor (16), outside is provided with the second cylinder (17) in the both sides up and down of air outlet (601), and the push rod of second cylinder (17) of upper and lower both sides is connected with the folding half block (18) cooperatively interacted, coordinate with air outlet (601) after two described folding half blocks (18) are closed, and two pieces of folding half blocks (18) adopt tooth engagement.
Further, the quantity of described heating stove (1) is not less than two, and the heat outlet of heating stove (1) is connected with warm-air pipe (2), and described warm-air pipe (2) is connected to thermal-arrest bucket (3), and the upper end of described thermal-arrest bucket (3) is connected with blast pipe (4).
Further, in described blast pipe (4), be provided with air intake blower fan (5) uniformly, and described air intake blower fan (5) is the adjustable blower fan of wind speed.
Further, described warm-air pipe (2) is rectangular tube, an one lateral outer is provided with the first cylinder (10), the push rod of described the first cylinder (10) is connected with connecting plate (11), the middle inside of described connecting plate (11) is provided with deep bead (12), described deep bead (12) penetrates into the inside of warm-air pipe (2), and closely cooperates with the mating groove (201) offered on warm-air pipe (2) other madial walls.
Further, described heating stove (1) is bamboo wood combustion furnace.
Further, the lower even tube wall of described blast pipe (4) be embedded with Attraction block (13), the adsorbent in described Attraction block (13) is active carbon.
Further, the lower surface of described Attraction block (13) is connected on fixed head (14), and described fixed head (14) is fixed on by set bolt (15) outside the lower tube wall of blast pipe (4).
Further, the part that described fixed head (14) contacts with Attraction block (13) is gravity sensor (19).
Beneficial effect of the present invention is:
1, what adopt is that the mode of indirect hot blast carries out heat supply, the quality that impurity can ensure dry rear sodium lignin sulfonate product can not be produced, also do not need radiator simultaneously, thermal efficiency is high, the design of fluid-through tube in Heat Room, liquid to be dried can be passed in fluid-through tube, because the heat of liquid absorption is more than gas, thus fluid-through tube is set in blast pipe side, can effectively by some heat absorption in the high-temperature hot-air of just having come in from blast pipe in liquid, and not easy burn-out fluid-through tube, hot blast after the liquid absorption part heat in fluid-through tube is to the gas-heated in ventilation duct, not easy burn-out ventilation duct equally, and then substantially increase the service life of pipeline, reduce use cost, and the sodium lignin sulfonate liquid be passed in drying tower inherently has higher temperature, accelerate the dry run in later stage, the heat absorbed in fluid-through tube and breather pipe all can enter into drying tower, the output of heat can not be reduced.
2, the matching design of temperature sensor and folding block, can temperature in Heat Room inadequate time timely other of low temperature are discharged Heat Rooms, changing to high-temperature gas by blast pipe, the standard that temperature can be reached for ventilation duct all the time, fluid-through tube provides heat in Heat Room can ensured.
3, the design of multiple heating stove, according to the concrete amount of drying and the usage quantity of required dry heat regulation heating stove, can not cause the waste of heat, substantially increase the utilization ratio of heat energy.
4, the design of air intake blower fan, can pass into speed according to concrete dry amount and required dry heat regulation hot blast, reduce the waste of energy, improve heat utilization rate.
The design of the gas block panel 5, on warm-air pipe, can when certain heating stove be without the need to using, the Cryogenic air stoping heating stove bottom to enter enters into thermal-arrest bucket, can not make to enter Cryogenic air in heat bucket, the heat that other heating stove work is produced all can enter into Heat Room, and then improves heat utilization rate.
6, heating stove adopts bamboo wood combustion furnace, for paper mill, all can have a large amount of broken bamboos and wood fragments, therefore can save the fuel money of quite a few.
7, the design of Attraction block, can be adsorbed onto in charcoal absorption block by the flue dust the etc. during burning of bamboo wood, prevent it from entering into Heat Room, in Heat Room, cause accumulation.
8, the design of fixed head and set bolt, can carry out the dismounting of Attraction block very easily.
9, the design of gravity sensor, can timely reactive adsorption block absorption amount, change Attraction block timely afterwards.
Accompanying drawing explanation
Fig. 1 is the structural representation of the dry heating system of the sodium lignin sulfonate that a kind of papermaking wastewater extracts.
Fig. 2 is Heat Room internal structure schematic diagram.
Fig. 3 is the partial enlarged drawing of A in Fig. 1.
Fig. 4 is the partial enlarged drawing of B in Fig. 1.
Described in figure, label character is expressed as: 1, heating stove; 2, warm-air pipe; 3, thermal-arrest bucket; 4, blast pipe; 5, air intake blower fan; 6, Heat Room; 7, ventilation duct; 8, drying tower; 9, fluid-through tube; 10, the first cylinder; 11, connecting plate; 12, deep bead; 13, Attraction block; 14, fixed head; 15, set bolt; 16, temperature sensor; 17, the second cylinder; 18, folding half block; 19, gravity sensor; 201, mating groove; 601, air outlet.
Specific embodiment
In order to make those skilled in the art understand technical scheme of the present invention better, describe the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention.
As Figure 1-Figure 4, the dry heating system of the sodium lignin sulfonate that a kind of papermaking wastewater extracts, it comprises heating stove 1, Heat Room 6 and the hot blast that heating stove 1 produces is transported to the blast pipe 4 of Heat Room 6; Be provided with in described Heat Room 6 run through Heat Room 6 and with the ventilation duct 7 of its seamless link and fluid-through tube 9, described ventilation duct 7 and fluid-through tube 9 are all connected in drying tower 8, and fluid-through tube 9 is arranged on the side of Heat Room 6 near blast pipe 4.
Preferably, the diameter of described fluid-through tube 9 is 2-5 times of ventilation duct 7 diameter.
Preferably, the side that described Heat Room 6 is relative with blast pipe 4 is provided with air outlet 601, and the inside of this side is provided with temperature sensor 16, outside is provided with the second cylinder 17 in the both sides up and down of air outlet 601, and the push rod of the second cylinder 17 of upper and lower both sides is connected with the folding half block 18 cooperatively interacted, coordinate with air outlet 601 after described two folding half blocks 18 are closed, and two pieces of folding half blocks 18 adopt tooth to engage.
Preferably, the quantity of described heating stove 1 is not less than two, and the heat outlet of heating stove 1 is connected with warm-air pipe 2, and described warm-air pipe 2 is connected to thermal-arrest bucket 3, and the upper end of described thermal-arrest bucket 3 is connected with blast pipe 4.
Preferably, in described blast pipe 4, be provided with air intake blower fan 5 uniformly, and described air intake blower fan 5 is the adjustable blower fan of wind speed.
Preferably, described warm-air pipe 2 is rectangular tube, an one lateral outer is provided with the first cylinder 10, the push rod of the first described cylinder 10 is connected with connecting plate 11, the middle inside of described connecting plate 11 is provided with deep bead 12, described deep bead 12 penetrates into the inside of warm-air pipe 2, and closely cooperates with the mating groove 201 offered on other madial walls of warm-air pipe 2.
Preferably, described heating stove 1 is bamboo wood combustion furnace.
Preferably, the lower even tube wall of described blast pipe 4 be embedded with Attraction block 13, the adsorbent in described Attraction block 13 is active carbon.
Preferably, the lower surface of described Attraction block 13 is connected on fixed head 14, and described fixed head 14 is fixed on outside the lower tube wall of blast pipe 4 by set bolt 15.
Preferably, the part that described fixed head 14 contacts with Attraction block 13 is gravity sensor 19.
During concrete use, first determine required heat according to the sodium lignin sulfonate of drying, then determine which heating stove 1 needs work, for the heating stove 1 not needing work, connecting plate 11 is driven by the first cylinder 10, and then deep bead 12 is pushed in the mating groove 201 of warm-air pipe 2 completely, corresponding warm-air pipe 2 is blocked completely, light the heating stove 1 needing work afterwards, its hot gas produced can enter into thermal-arrest bucket 3 by warm-air pipe 2, afterwards air intake blower fan 5 be used for enter into Heat Room 6 from blast pipe 4, to the fluid-through tube 9 and breather pipe 7 heat supply that are connected with sodium lignin sulfonate liquid in Heat Room 6, heat enters into drying tower 8 by the gas in the liquid in fluid-through tube 9 and breather pipe 7 afterwards, carry out the drying of sodium lignin sulfonate, should be noted that, the hot blast feeding of blast pipe 4, for being interrupted supply, when the temperature in temperature sensor 16 is lower than normal temperature, is just opened folding block 18 by the second oil cylinder 17, is run out by the cryogenic gas of the inside, then pass into hot blast by blast pipe 4, in whole process, the impurity absorption such as the flue dust in blast pipe can be fallen by Attraction block 13, change Attraction block in time by the influence value of gravity sensor 19 simultaneously.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise which key element, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.
Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above example just understands method of the present invention and core concept thereof for helping.The above is only the preferred embodiment of the present invention, should be understood that, due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for those skilled in the art, under the premise without departing from the principles of the invention, some improvement, retouching or change can also be made, also above-mentioned technical characteristic can be combined by rights; These improve retouching, change or combination, or the design of invention and technical scheme are directly applied to other occasion without improving, and all should be considered as protection scope of the present invention.

Claims (10)

1. a dry heating system for the sodium lignin sulfonate of papermaking wastewater extraction, it is characterized in that, it comprises heating stove (1), Heat Room (6) and the hot blast that heating stove (1) produces is transported to the blast pipe (4) of Heat Room (6); Be provided with in described Heat Room (6) run through Heat Room (6) and with the ventilation duct (7) of its seamless link and fluid-through tube (9), described ventilation duct (7) and fluid-through tube (9) are all connected in drying tower (8), and fluid-through tube (9) is arranged on the side of Heat Room (6) near blast pipe (4).
2. the dry heating system of the sodium lignin sulfonate of a kind of papermaking wastewater extraction according to claim 1, is characterized in that, the diameter of described fluid-through tube (9) is 2-5 times of ventilation duct (7) diameter.
3. the dry heating system of the sodium lignin sulfonate of a kind of papermaking wastewater extraction according to claim 1, it is characterized in that, the side that described Heat Room (6) is relative with blast pipe (4) is provided with air outlet (601), and the inside of this side is provided with temperature sensor (16), outside is provided with the second cylinder (17) in the both sides up and down of air outlet (601), and the push rod of second cylinder (17) of upper and lower both sides is connected with the folding half block (18) cooperatively interacted, coordinate with air outlet (601) after two described folding half blocks (18) are closed, and two pieces of folding half blocks (18) adopt tooth engagement.
4. the dry heating system of the sodium lignin sulfonate of a kind of papermaking wastewater extraction according to claim 1, it is characterized in that, the quantity of described heating stove (1) is not less than two, the heat outlet of heating stove (1) is connected with warm-air pipe (2), described warm-air pipe (2) is connected to thermal-arrest bucket (3), and the upper end of described thermal-arrest bucket (3) is connected with blast pipe (4).
5. the dry heating system of the sodium lignin sulfonate of a kind of papermaking wastewater extraction according to claim 4, it is characterized in that, be provided with air intake blower fan (5) uniformly in described blast pipe (4), and described air intake blower fan (5) is the adjustable blower fan of wind speed.
6. the dry heating system of the sodium lignin sulfonate of a kind of papermaking wastewater extraction according to claim 5, it is characterized in that, described warm-air pipe (2) is rectangular tube, an one lateral outer is provided with the first cylinder (10), the push rod of described the first cylinder (10) is connected with connecting plate (11), the middle inside of described connecting plate (11) is provided with deep bead (12), described deep bead (12) penetrates into the inside of warm-air pipe (2), and closely cooperates with the mating groove (201) offered on warm-air pipe (2) other madial walls.
7. the dry heating system of the sodium lignin sulfonate of a kind of papermaking wastewater extraction according to claim 6, is characterized in that, described heating stove (1) is bamboo wood combustion furnace.
8. the dry heating system of the sodium lignin sulfonate of a kind of papermaking wastewater extraction according to claim 7, it is characterized in that, the lower even tube wall of described blast pipe (4) be embedded with Attraction block (13), the adsorbent in described Attraction block (13) is active carbon.
9. the dry heating system of the sodium lignin sulfonate of a kind of papermaking wastewater extraction according to claim 8, it is characterized in that, the lower surface of described Attraction block (13) is connected on fixed head (14), and described fixed head (14) is fixed on by set bolt (15) outside the lower tube wall of blast pipe (4).
10. the dry heating system of the sodium lignin sulfonate of a kind of papermaking wastewater extraction according to claim 9, it is characterized in that, the part that described fixed head (14) contacts with Attraction block (13) is gravity sensor (19).
CN201520651793.3U 2015-08-27 2015-08-27 Sodium lignosulfonate's that papermaking waste liquid drawed dry heating system Expired - Fee Related CN205031908U (en)

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CN201520651793.3U CN205031908U (en) 2015-08-27 2015-08-27 Sodium lignosulfonate's that papermaking waste liquid drawed dry heating system

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Application Number Priority Date Filing Date Title
CN201520651793.3U CN205031908U (en) 2015-08-27 2015-08-27 Sodium lignosulfonate's that papermaking waste liquid drawed dry heating system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105107216A (en) * 2015-08-27 2015-12-02 通道神华林化有限公司 Drying and heat supplying system for sodium lignin sulphonate extracted from papermaking waste liquor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105107216A (en) * 2015-08-27 2015-12-02 通道神华林化有限公司 Drying and heat supplying system for sodium lignin sulphonate extracted from papermaking waste liquor
CN105107216B (en) * 2015-08-27 2017-06-27 佛山市圣翼科技有限公司 A kind of sodium lignin sulfonate that papermaking wastewater is extracted dries heating system

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Granted publication date: 20160217

Termination date: 20200827