CN211035303U

CN211035303U - Gravity cooling salt collecting device

Info

Publication number: CN211035303U
Application number: CN201921912807.7U
Authority: CN
Inventors: 黄光法; 刘会全; 陈民生; 王光宇; 冯昌华; 李旭
Original assignee: Ili Xintian Coal Chemical Co ltd
Current assignee: Ili Xintian Coal Chemical Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-07-17
Anticipated expiration: 2029-11-07

Abstract

The utility model relates to a coal industry normal water treatment facilities's technical field is a salt device is received in gravity cooling, it includes mounting bracket and at least two sets of cooling tank, cooling tank fixed connection is on the mounting bracket, the preceding, back, the left side of cooling tank all are equipped with the cofferdam, the right side of cooling tank is for not establishing the leakage fluid dram in cofferdam, install three baffles at least from a left side to the right side in the cooling tank, the bottom of cooling tank is provided with out the salt mouth, go out to install sealed lid on the salt mouth, install the power device that can open and close sealed lid on the cooling tank. The utility model discloses a set up great cooling space and baffle of flowing water area for the evaporation raffinate that enters into in the cooling bath can both be detained fully and natural cooling in every cooling space, can make the bivalent inorganic salt in the evaporation raffinate wrap up and take the organic matter in the evaporation raffinate, impurity such as suspended solid subsides the funnel portion formation miscellaneous salt of cooling space together, with this reach the purpose of giving multiple-effect evaporation system desalination, reduction operation load.

Description

Gravity cooling salt collecting device

Technical Field

The utility model relates to a technical field of water treatment facilities in coal industry is a salt device is received in gravity cooling.

Background

The crystallization and separation of salt in the brine generally comprises a hot method and a cold method, wherein the hot method is to lift the brine to be treated to saturated concentration through a multi-effect evaporation system, then the brine enters a thickener and a centrifuge to be thrown out, and is generally used for the separation of monovalent salt with small solubility change along with temperature; the cold method is precipitation in which the solubility of a solute is changed by artificially controlling the temperature, and is often used for precipitation of divalent salts in which the solubility is largely changed with the temperature. The residual evaporation liquid generated during the operation of the multi-effect evaporation system in the prior coal chemical industry is generally discharged to an evaporation pond, and the evaporation pond is used as a site for salt precipitation, so that the balance between the water content and the salt content of the system is achieved, but the evaporation pond is forbidden to use at present due to the requirement of environmental protection prohibition, so that the residual evaporation liquid can be discharged everywhere and can only flow back to the multi-effect evaporation system for secondary treatment, but only monovalent salt in the residual evaporation liquid can be removed, divalent salt in the residual evaporation liquid can be continuously accumulated in the multi-effect evaporation system along with the lapse of time, and as the components in the residual evaporation liquid are relatively complex and contain more organic matters, suspended solids and other impurities, the whole system cannot safely and stably continuously work, and a feasible method for carrying out divalent salt in the system is urgently needed.

Disclosure of Invention

The utility model provides a salt device is received in gravity cooling has overcome above-mentioned prior art not enough, and it can effectively be solved behind forbidden evaporation pond, and the evaporation raffinate that multiple-effect evaporation system produced does not have the department and discharges, when handling in the current multiple-effect evaporation system that flows back, because can't carry out the effective processing to materials such as divalent salt, organic matter, the suspension solid in the evaporation raffinate, causes entire system can not be safe, the problem of stable continuous operation.

The purpose of the application is realized as follows: the gravity cooling salt collecting device comprises a mounting frame and at least two cooling pools, wherein the cooling pools are fixedly connected to the mounting frame, cofferdams are arranged in the front, the back and the left of each cooling pool, a liquid outlet without the cofferdams is formed in the right side of each cooling pool, at least three baffle plates crossing the front side and the back side of each cooling pool are arranged in each cooling pool from left to right, the height of each baffle plate is sequentially reduced from left to right, the baffle plates in each cooling pool divide the inner space of the cooling pool into a plurality of mutually independent cooling areas, the bottom of each cooling area is in a funnel shape with a large upper part and a small lower part, a salt outlet is formed in the bottom of each cooling area, a sealing cover is arranged on each salt outlet, a sealing gasket is arranged on the sealing end face between each sealing cover and the salt outlet, a group of power devices capable of opening and closing the sealing covers is arranged on each cooling pool, and a water distribution pipe is arranged above the cofferdam, the liquid outlet of each cooling pool is fixedly connected with a liquid guide plate with a high left and a low right, a trench corresponding to the liquid guide plate is arranged on the ground below the liquid guide plate, a liquid collecting pool communicated with the trench is also arranged on the ground, and at least one conveying pump for conveying liquid in the liquid collecting pool is arranged beside the liquid collecting pool.

The following are further optimization or/and improvement of the technical scheme of the utility model: furthermore, a group of hooks distributed on the left side and the right side of the salt outlet are fixedly connected to the outer wall of the bottom of each cooling area, and a forklift tray is correspondingly arranged on the ground below the salt outlet.

Furthermore, at least one fan is erected between the cofferdams at the front side and the rear side of the cooling pool, and the wind generated by the fan can form convection with the liquid in the cooling pool.

Furthermore, power device is a plurality of pneumatic cylinder, and the pneumatic cylinder erects before the cooling tank, between the cofferdam of back both sides, fan and pneumatic cylinder dislocation distribution, and every pneumatic cylinder corresponds a sealed lid, and one side of sealed lid articulates on the salt outlet, is equipped with piston rod down in the pneumatic cylinder, is provided with the push rod of buckling on the piston rod, and the one end of push rod is installed on the piston rod, and the other end of push rod articulates on sealed covering.

Furthermore, the inner walls of the cooling pool, the trench and the liquid collecting pool are all provided with anticorrosive coatings.

The utility model has reasonable and compact structure, through the ladder choked flow of the cooling zone with larger flowing water area and the baffle, the flow velocity of the evaporation residual liquid can be greatly reduced, so that the evaporation residual liquid entering the cooling tank can be fully retained and naturally cooled in each cooling zone, the principle that the solubility of the divalent salt in water is smaller at lower temperature is utilized, the divalent inorganic salt in the evaporation residual liquid can be greatly separated out, the separated inorganic salt wraps and carries organic matters, suspended solids and other impurities in the evaporation residual liquid to settle to the funnel part of the cooling zone to form the miscellaneous salt under the action of gravity, and finally the miscellaneous salt is discharged out of the cooling tank through the salt outlet, thereby reducing the salt content and the impurity content in the evaporation residual liquid, the utility model has simple structure and low cost, and can continuously and stably process the evaporation residual liquid in large batch through the physical cooling and natural settling methods, has strong practicability.

Drawings

The specific structure of the application is given by the following figures and examples:

FIG. 1 is a schematic front view of a gravity cooling salt collecting device;

FIG. 2 is a schematic top view of the gravity cooling salt collecting device.

Legend: 1. the device comprises a cooling pool, 2, a cofferdam, 3, a baffle, 4, a water distribution pipe, 5, a sealing cover, 6, a liquid guide plate, 7, a trench, 8, a liquid collecting pool, 9, a conveying pump, 10, a salt containing bag, 11, a hook, 12, a forklift tray, 13, a fan, 14, a hydraulic cylinder, 15, a piston rod, 16 and a push rod.

Detailed Description

The present application is not limited to the following examples, and specific implementations may be determined according to the technical solutions and practical situations of the present application.

In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of up, down, left, right, etc. is determined in accordance with the layout direction of fig. 1 in the specification.

The invention will be further described with reference to the following examples and drawings, in which: as shown in attached figures 1 and 2, the gravity cooling salt collecting device comprises an installation frame and at least two cooling pools 1, wherein the cooling pools 1 are fixedly connected to the installation frame, cofferdams 2 are arranged in the front, back and left directions of the cooling pools 1, a liquid discharge port without the cofferdams 2 is arranged on the right side of the cooling pools 1, at least three baffle plates 3 crossing the front side and the back side of the cooling pools 1 are arranged in the cooling pools 1 from left to right, the heights of the baffle plates 3 are sequentially reduced from left to right, the baffle plates 3 in each cooling pool 1 divide the inner space of the cooling pool 1 into a plurality of mutually independent cooling areas, the bottom of each cooling area is funnel-shaped, a salt outlet is arranged at the bottom of each cooling area, a sealing cover 5 is arranged on the salt outlet, a sealing gasket is arranged on the sealing end face between the sealing cover 5 and the salt outlet, and a group of opening plates capable of opening, The power device of the closed sealing cover 5 is characterized in that a water distribution pipe 4 is arranged above a cofferdam 2 on the left side of each cooling pool 1, a liquid guide plate 6 with a high left side and a low right side is fixedly connected to a liquid outlet of each cooling pool 1, a trench 7 corresponding to the liquid guide plate 6 is arranged on the ground below the liquid guide plate 6, a liquid collecting pool 8 communicated with the trench 7 is further arranged on the ground, and at least one conveying pump 9 for conveying liquid in the liquid collecting pool 8 is arranged on the side of the liquid collecting pool 8.

When the utility model is operated, when the evaporation residual liquid enters the cooling pool 1 through the water distribution pipe 4, because the flowing water area is suddenly enlarged, the flow rate of the evaporation residual liquid can be suddenly reduced, in addition, the baffle 3 blocks the water flow, the flow rate of the evaporation residual liquid is further reduced, so that the evaporation residual liquid entering the cooling pool 1 can be fully retained and naturally cooled in each cooling area, because of the reduction of the temperature, divalent inorganic salt with the solubility greatly influenced by the temperature in the evaporation residual liquid can be separated out, under the action of gravity, the separated divalent inorganic salt can wrap organic matters in the evaporation residual liquid, suspended solids and other impurities are deposited together at the funnel part of the cooling area to form miscellaneous salt, thereby the content of the divalent salt and the impurities in the evaporation residual liquid can be effectively reduced, the evaporation residual liquid after salt separation automatically flows into the trench 7 through the liquid guide plate 6, and then flows into the liquid collecting pool 8 through the trench 7, and finally, pumping the treated evaporation residual liquid into a multi-effect evaporation system through a delivery pump 9 to remove monovalent salt, thereby ensuring the balance of the salt content and the water content of the whole system.

The quantity of cooling tank 1 is two at least and each other for reserve, even if one of them cooling tank 1 breaks down, can not cause the influence to whole production system yet, use the utility model discloses the time, only open water distributor 4 on one cooling tank 1 earlier, water distributor 4 on another cooling tank 1 closes, after miscellaneous salt in one cooling tank 1 is amassed, again with evaporating the raffinate switch to on another cooling tank 1, with this can reach continuous production's purpose, when the staff will be cleared up the cooling tank 1 that amasss miscellaneous salt, can set up flourishing salt bag 10 in advance in the below of going out the salt mouth, open sealed lid 5 through power device, most miscellaneous salt can follow the automatic landing to flourishing salt bag 10, remaining miscellaneous salt only need appropriately clean can, close sealed lid 5 after miscellaneous salt clearance finishes can, labour saving and time saving is efficient. The utility model discloses simple structure, cost are low, through the method that physics cooling and nature subsided, just can be continuous, stable big batch evaporation raffinate of handling, are fit for extensive popularization and application, have very strong practicality.

According to the actual need, the gravity cooling salt collecting device is further optimized or/and improved: further, as shown in fig. 1, a group of hooks 11 distributed on the left and right sides of the salt outlet are fixedly connected to the outer wall of the bottom of each cooling area, and a forklift tray 12 is correspondingly arranged on the ground below the salt outlet.

Through couple 11, the flourishing salt bag 10 of splendid attire miscellaneous salt can conveniently hang in the below of salt mouth, and then conveniently connect and get miscellaneous salt, opens the back when sealed lid 5, and the miscellaneous salt of deposit in the cooling space just can fall into flourishing salt bag 10 automatically, need not the manual work bagging-off one by one, has saved the manual work greatly, has improved work efficiency, and the design of fork truck tray 12 then can conveniently be full of the flourishing salt bag 10 of miscellaneous salt and directly fork away by fork truck, has improved conveying efficiency greatly.

Further, as shown in fig. 1 and 2, at least one fan 13 is installed between the cofferdams 2 at the front and rear sides of the cooling pool 1, and the wind generated by the fan 13 can form convection with the liquid in the cooling pool 1.

The circulation of air speed of 1 surface of water top in cooling tank can be accelerated to fan 13's design, through carrying out the convection current with the evaporation raffinate, can promote the cooling of evaporation raffinate to improve the crystallization rate of evaporation raffinate, reach better desalination effect.

Further, as shown in fig. 1 and 2, the power device is a plurality of hydraulic cylinders 14, the hydraulic cylinders 14 are erected between the cofferdams 2 at the front side and the rear side of the cooling pool 1, the fans 13 and the hydraulic cylinders 14 are distributed in a staggered manner, each hydraulic cylinder 14 corresponds to one sealing cover 5, one side of each sealing cover 5 is hinged to the salt outlet, a downward piston rod 15 is arranged in each hydraulic cylinder 14, a bent push rod 16 is arranged on each piston rod 15, one end of each push rod 16 is installed on each piston rod 15, and the other end of each push rod 16 is hinged to each sealing cover 5.

When using, pneumatic cylinder 14 links together the cooperation with the hydraulic pressure station and uses, can control the flexible of 14 internal piston rods 15 of pneumatic cylinder through the hydraulic pressure station, and then to the opening of sealed lid 5 with close realization automatic control, compare the mode of manual opening, labour saving and time saving, efficient.

Furthermore, according to actual needs, the inner walls of the cooling pool 1, the trench 7 and the liquid collecting pool 8 are all provided with anticorrosive coatings. The anticorrosive coating can be epoxy asphalt paint, also can be other anticorrosive material, and the purpose is exactly to slow down the erosion rate of evaporation raffinate to cooling bath 1, trench 7, collecting tank 8, and then improves the utility model discloses a life, cooling bath 1 can be the carbon steel construction, and its radiating effect is better like this.

The foregoing description is by way of example only and is not intended as limiting the embodiments of the present application. All obvious variations and modifications of the present invention are within the scope of the present invention.

Claims

1. A gravity cooling salt collecting device is characterized by comprising a mounting frame and at least two cooling pools, wherein the cooling pools are fixedly connected to the mounting frame, cofferdams are arranged in the front, the back and the left of each cooling pool, a liquid discharge port without the cofferdams is arranged on the right side of each cooling pool, at least three baffle plates crossing the front and the back of each cooling pool are arranged in each cooling pool from left to right, the height of each baffle plate is sequentially reduced from left to right, the baffle plates in each cooling pool divide the inner space of the cooling pool into a plurality of mutually independent cooling areas, the bottom of each cooling area is funnel-shaped, a salt outlet is arranged at the bottom of each cooling area, a sealing cover is arranged on each salt outlet, a sealing gasket is arranged on the sealing end face between each sealing cover and each salt outlet, and a group of power devices capable of opening and closing each sealing cover is arranged on each cooling pool, the upper part of the cofferdam on the left side of each cooling pool is provided with a water distribution pipe, a liquid guide plate with a high left part and a low right part is fixedly connected to a liquid outlet of each cooling pool, a trench corresponding to the liquid guide plate is arranged on the ground below the liquid guide plate, a liquid collecting pool communicated with the trench is also arranged on the ground, and at least one conveying pump for conveying liquid in the liquid collecting pool is arranged beside the liquid collecting pool.

2. The gravity cooling salt collecting device is characterized in that a group of hooks distributed on the left side and the right side of the salt outlet are fixedly connected to the outer wall of the bottom of each cooling area, and a forklift tray is correspondingly arranged on the ground below the salt outlet.

3. The gravity cooling salt collecting device as claimed in claim 1 or 2, wherein at least one fan is installed between the cofferdams at the front and rear sides of the cooling pool, and the wind generated by the fan can form convection with the liquid in the cooling pool.

4. The gravity cooling salt collecting device according to claim 3, wherein the power device is a plurality of hydraulic cylinders, the hydraulic cylinders are erected between the cofferdams at the front side and the rear side of the cooling pool, the fan and the hydraulic cylinders are distributed in a staggered manner, each hydraulic cylinder corresponds to one sealing cover, one side of each sealing cover is hinged to the salt outlet, a downward piston rod is arranged in each hydraulic cylinder, a bent push rod is arranged on each piston rod, one end of each push rod is mounted on each piston rod, and the other end of each push rod is hinged to each sealing cover.

5. A gravity cooling salt collecting device as claimed in claim 3, wherein the inner walls of the cooling tank, the trench and the liquid collecting tank are all provided with an anticorrosive layer.

6. A gravity cooling salt collecting device as claimed in claim 1, 2 or 4, wherein the inner walls of the cooling pond, the trench and the liquid collecting pond are all provided with an anticorrosive layer.