An a kind of degreasing agent preparation point flow cooling system
Technical field
The utility model relates to technical field of chemical, more particularly, relates to a kind of degreasing agent preparation point flow cooling system.
Background technology
Degreasing agent aims at the waterborne cleaning agent that industrial and mineral plant equipment is cleaned, coil cleans and develops, can fast and effeciently wash machine surface, bearing, ducted butter, machine oil, antirust oil and curing grease, be applicable to the cleaning of all kinds of greasy dirt in metal surface, be more suitable for the degreasing etc. before anodic metal oxide and spraying thereof, electrodeposit.
Mostly degreasing agent is to add various auxiliary agent under alkaline environment, makes solution have certain wetability, permeability, emulsibility, to remove metal surface grease.One or several mixtures in the surfactants such as general employing anionic, cationic, nonionic, and dilute with water makes degreasing agent.Degreasing agent based on surfactant is unlikely to when clean metal surface the quality damaging metallic article, and with making a large amount of grease emulsifying dispersions on a small quantity, thus make grease be easy to depart from metal surface, be an ideal metalloid cleaning agent.
Degreasing agent needs to adopt NaOH (the general sheet alkali using sheet), gluconic acid sodium salt as raw material, first be made into alkali lye and add surfactant again, and NaOH can a large amount of heat release when dissolving, make the temperature of solution at 60 DEG C ~ 80 DEG C, and as the surfactant of one of degreasing agent raw material when adding solution, temperature must, below 30 DEG C, therefore need to carry out cooling process to aqueous alkali.In order to realize fast cooling, prior art is chuck in reactor outer setting, and rely on water circulation in chuck to carry out cooling process, but it is lowered the temperature, efficiency is not improved significantly, and therefore, needs to make further improvements existing equipment.
Through retrieval, relevant solution is there is in prior art, as China Patent No.: ZL201120155174.7, authorized announcement date: on February 8th, 2012, this application case discloses a kind of reactor outer circulation cooling device for materials inside, comprise reactor, the upper and lower two ends of reactor are connected to each other by the two ends of pipeline and a cooling tower, corrosion protection pump is provided with in described pipeline, corrosion protection pump and reactor export horizontal setting, by corrosion protection pump material directly imported in cooling tower and cool, and then cooled solution is entered in reactor.This device cooling effect is better, but when material is more, condenser is difficult to hold all materials; According to continuous coo1ing, condenser bears limited pressure, is mostly that efficiency is low by gravity reflux.
And for example China Patent No.: ZL201520176517.6, authorized announcement date: on August 5th, 2015, this application case discloses a kind of external cooling-down type reactor, comprise kettle, kettle outer wall is provided with chuck, material outlet and material inlet is respectively equipped with in the upper and lower of kettle, material outlet is connected with the panel cooler outside kettle by material pipe with material inlet, material outlet is connected with the thermal medium inlet of panel cooler, material inlet is connected with the thermal medium outlet of panel cooler, the connecting line of the thermal medium inlet of material outlet and panel cooler is provided with product pump, the cooling water inlet of panel cooler is connected with cooling water water source with coolant outlet.
Utility model content
1. the utility model technical problem that will solve
The purpose of this utility model to be to overcome in prior art reactor and to lower the temperature inefficient deficiency by self chuck, provide a kind of degreasing agent preparation point flow cooling system, the technical solution of the utility model, material is made to form shunting in cooling tower, coordinate with chuck and form dual-cooled pattern, substantially increase cooling effectiveness, avoid material at reactor bottom deposit, mixing of materials evenly.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
An a kind of degreasing agent preparation point flow cooling system of the present utility model, comprise reactor, paddle is provided with in reactor, chuck is provided with in reactor periphery, this system also comprises material pump and cooling tower, the bottom of reactor is connected to the charging aperture of cooling tower by conveying pipeline, and on this part conveying pipeline, arrange control valve and material pump, and the discharging opening of described cooling tower is communicated to reactor top by conveying pipeline; The charging aperture of cooling tower is communicated with, at cooling tower built with cooling water by 3 ~ 5 isocons with discharging opening.
Further improve as the utility model, described isocon uniform intervals is distributed in the middle part of cooling tower.
Further improve as the utility model, described isocon sectional area is 0.2 ~ 0.4 times of conveying pipeline sectional area.
Further improve as the utility model, described isocon is placed with bulge-structure.
Further improve as the utility model, the upper end of described cooling tower is provided with water inlet, and this water inlet is communicated with cooling water source; The lower end of cooling tower is provided with discharge outlet.
Further improve as the utility model, described paddle is provided with top stirring vane, middle part stirring vane and bottom stirring vane, and described middle part stirring vane is inclined between top stirring vane and bottom stirring vane.
Further improve as the utility model, be connected with drainage conduit bottom described reactor, drainage conduit is provided with control valve.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with prior art, has following beneficial effect:
(1) an a kind of degreasing agent preparation point flow cooling system of the present utility model, the bottom of reactor is connected to the charging aperture of cooling tower by conveying pipeline, shunting is formed in cooling tower, the all cooled water of every root isocon outer wall surrounds, the ratio accounting for cooling water due to inventory in isocon is less, heat absorption is very fast, with traditional arranging compared with cooling water pipe in reactor, substantially increases cooling efficiency;
(2) an a kind of degreasing agent preparation point flow cooling system of the present utility model, isocon sectional area is 0.2 ~ 0.4 times of conveying pipeline sectional area, and the sectional area of isocon reduces, and in isocon, to account for the ratio of cooling water less for inventory, and heat reduces faster; When isocon sectional area sum is greater than conveying pipeline sectional area, reduce at shunting velocity in pipes, the holdup time is long, can reduce temperature equally, therefore all can reach good cooling-down effect within the scope of this; Set bulge-structure can increase the contact area of isocon and cooling water, improves cooling-down effect further;
(3) an a kind of degreasing agent preparation point flow cooling system of the present utility model, paddle is provided with top stirring vane, middle part stirring vane and bottom stirring vane, and middle part stirring vane is obliquely installed, add the perturbation of paddle to material, contribute to accelerating temperature and reduce.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of degreasing agent preparation point flow cooling system of the present utility model.
Label declaration in schematic diagram: 1, reactor; 2, paddle; 21, top stirring vane; 22, middle part stirring vane; 23, bottom stirring vane; 3, chuck; 4, conveying pipeline; 5, control valve; 6, pump is expected; 7, cooling tower; 71, discharge outlet; 72, water inlet; 8, isocon; 9, drainage conduit.
Detailed description of the invention
For understanding content of the present utility model further, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment 1
Composition graphs 1, a kind of degreasing agent preparation point flow cooling system of the present embodiment, primarily of reactor 1, composition such as material pump 6 and cooling tower 7 etc., paddle 2 is provided with in reactor 1, chuck 3 is provided with in reactor 1 periphery, chuck 3, built with cooling water, by the circulation of cooling water, forms one-level cooling to material in reactor 1.
The bottom of reactor 1 is connected to the charging aperture of cooling tower 7 by conveying pipeline 4, and control valve 5 and material pump 6 are set on this part conveying pipeline 4, the discharging opening of cooling tower 7 is communicated to reactor 1 top by conveying pipeline 4, and control valve 5 controls conveying pipeline 4 break-make, and material pump 6 is for pumping material.The charging aperture of cooling tower 7 is communicated with by 3 isocons 8 with discharging opening, and isocon 8 uniform intervals is distributed in the middle part of cooling tower 7, and all cooled water of every root isocon 8 outer wall surrounds; Secondly, isocon 8 sectional area is 0.3 times of conveying pipeline 4 sectional area, and in isocon 8, to account for the ratio of cooling tower 7 inner cooling water less for inventory, and a large amount of cooling waters fast from draw heat isocon 8, can be formed secondary cooling, improve cooling rate.In addition, extracted out continuously due to reactor 1 bottoms material and be discharged into reactor 1 top, mixing of materials evenly, avoid material deposition.
The upper end of the cooling tower 7 in the present embodiment is provided with water inlet 72, and this water inlet 72 is communicated with cooling water source; The lower end of cooling tower 7 is provided with discharge outlet 71, for discharging the cooling water in cooling tower 7.When required cooling material is more, change the cooling water in cooling tower 7 by water inlet 72 and discharge outlet 71, or form the circulation of cooling water, make material in cooling water and isocon 8 have certain temperature difference, ensure cooling-down effect.
Embodiment 2
A kind of degreasing agent preparation point flow cooling system of the present embodiment, its basic structure is identical with embodiment 1, its difference is: the present embodiment is evenly equipped with 4 isocons 8 in cooling tower 7, and bulge-structure is placed with on isocon 8, this bulge-structure can be point-like projection, with the contact area of the tube wall and cooling water that increase isocon 8, improve cooling-down effect further.In addition, isocon 8 sectional area is 0.4 times of conveying pipeline 4 sectional area, because isocon 8 sectional area sum is greater than conveying pipeline 4 sectional area, in isocon 8, material flow reduces, material holdup time in cooling tower 7 is long, can reduce temperature equally, reach good cooling-down effect.
Embodiment 3
A kind of degreasing agent preparation point flow cooling system of the present embodiment, its basic structure is identical with embodiment 2, its difference is: the present embodiment is provided with top stirring vane 21, middle part stirring vane 22 and bottom stirring vane 23 on paddle 2, middle part stirring vane 22 is inclined between top stirring vane 21 and bottom stirring vane 23, add the perturbation of paddle 2 pairs of materials, contribute to accelerating temperature and reduce.
Bottom reactor 1, be connected with drainage conduit 9, drainage conduit 9 is provided with control valve 5, when cooling, closing the control valve 5 in drainage conduit 9, opening the control valve 5 on conveying pipeline 4, can lower the temperature to material; After having reacted, close the control valve 5 on conveying pipeline 4, open the control valve 5 in drainage conduit 9, material can be discharged, easy to use.
According to concrete use, also native system can be used for the intensification of material, during use, only need change cooling water into hot water.
A degreasing agent preparation point flow cooling system of the present utility model, after adding NaOH and gluconic acid sodium salt, can a large amount of heat release when NaOH dissolves, make the temperature of solution at 60 DEG C ~ 80 DEG C, chuck forms one-level cooling to solution, utilize material pump that solution is pumped into cooling tower and flow into reactor again, alkaline solution is made to form shunting in cooling tower, material heat is absorbed by a large amount of cooling waters, formation secondary is lowered the temperature, substantially increase cooling effectiveness, avoid non-dissolved hydrogen sodium oxide molybdena at reactor bottom deposit simultaneously, mixing evenly.
Schematically above be described the utility model and embodiment thereof, this description does not have restricted, and also just one of the embodiment of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.