Slag discharge system of chlorination furnace
Technical Field
The utility model belongs to chlorination furnace, concretely relates to chlorination furnace slag discharging system.
Background
Titanium chloride, also known as titanium tetrachloride, is heavyThe required halide of titanium is used as an important raw material for producing titanium sponge and titanium white by a chlorination process; its boiling point is 136.4 deg.C and its melting point is-25 deg.C. The titanium chloride is mainly TiO in the high titanium type blast furnace slag2Titanium chloride is prepared by high-temperature carbonization and low-temperature selective chlorination. Wherein, the chlorination furnace is an important device for preparing titanium chloride by selective chlorination. During the reaction in the chlorination furnace, part of the solid impurities in the chlorination slag are formed and need to be discharged.
Chinese utility model patent with grant publication number CN203229387U discloses a "chlorination stove bottom deslagging closed box", including the row's cinder notch of chlorination stove bottom below deepening to arrange the sediment case, be equipped with the blast pipe on arranging the sediment case, the blast pipe passes through gas purification system and is connected with the tail gas fan, arranges the sediment box and has placed in arranging the sediment case. However, the solid impurities in the chlorination slag are often accompanied by gases such as chlorine, titanium tetrachloride, carbon monoxide and the like; when the deslagging closed box is used for collection, part of harmful gas easily escapes to pollute the environment.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that harmful gas escapes to pollute the environment in the slag discharge process, the utility model provides a slag discharge system of a chlorination furnace; in order to achieve the above object, the utility model discloses a technical scheme specifically as follows:
a chlorination furnace slag discharging system comprises a slag discharging box and a slag discharging box, wherein the slag discharging box is arranged in the slag discharging box, a first pipeline which is detachably and hermetically connected with a slag discharging pipe of a chlorination furnace is arranged on the upper end surface of the slag discharging box, and the vacuum pump is communicated with the side wall of the slag discharging box through a second pipeline; a first control valve and a second control valve which are respectively used for controlling the on-off of the first pipeline or the second pipeline are respectively arranged on the first pipeline and the second pipeline; an annular cavity is formed in the side wall of the slag discharging box, and a water inlet pipe and a water outlet pipe which are used for forming a closed loop with a cooling water source are respectively arranged on two sides of the annular cavity.
The utility model discloses a chlorination furnace slag discharging system's beneficial effect: the first control valve is closed, the second control valve is opened, the vacuum pump vacuumizes the deslagging box to enable negative pressure to be formed in the deslagging box, the second control valve and the vacuum pump are closed, the first control valve is opened, impurities in the chlorination furnace flow into the deslagging box in the deslagging box through the deslagging pipe, and due to the fact that negative pressure exists in the deslagging box, harmful gas in the deslagging process flows into the deslagging box along with the impurities, and therefore the problem that the environment is polluted due to escape of the harmful gas in the deslagging process is solved; the cooling circulating water in the annular chamber cools the slag discharging box, which is beneficial to liquefying harmful gas and reducing the damage of high temperature to the slag discharging box and the slag discharging box.
Furthermore, a diversion clapboard is arranged in the annular cavity chamber, the diversion clapboard enables the annular cavity chamber to be divided into a spiral upward flow channel for cooling water to flow, and the water inlet pipe and the water outlet pipe are respectively arranged at two ends of the flow channel.
Has the advantages that: the flow guide partition plate guides the flowing direction of the cooling water in the annular cavity chamber, and the cooling effect of the circulating cooling water is improved.
Furthermore, a plurality of spray heads are arranged on the inner top surface of the slag discharging box, the spray heads are uniformly arranged on the inner top surface of the slag discharging box at intervals, the spraying direction of the spray heads is vertical downwards, the spray heads are connected with a water source through water pipes, and third control valves are arranged on the water pipes; and a drain pipe is arranged at the bottom side of the slag discharging box.
Has the advantages that: after the impurities enter the inspection box, the third control valve is opened, water is sprayed into the slag discharging box through the spray head, so that the impurities enter dust formed in the slag discharging box to absorb water and fall, and the dust amount in the slag discharging box is reduced.
Furthermore, the slag discharging box and the slag discharging box are specifically connected in an inserting mode, at least 2 groups of inserting columns are arranged on the inner bottom surface of the slag discharging box, the lower ends of the inserting columns are fixed on the slag discharging box, inserting holes matched with the inserting columns are formed in the lower end face of the slag discharging box, and the inserting of the slag discharging box and the slag discharging box is achieved by inserting the inserting columns into the inserting holes.
Has the advantages that: insert in the jack the post, realize row's sediment box and row's sediment case peg graft, when preventing that impurity is leading-in to arrange the sediment box, take place the displacement under the striking of impurity, when being favorable to impurity to fall into row's sediment box, be convenient for arrange the laying or dismantling of sediment box in row sediment case.
Furthermore, the free end part of the inserted column is inserted into the insertion hole, so that a gap is formed between the lower end surface of the slag discharging box and the inner bottom surface of the slag discharging box, and a water draining hole is formed in the bottom plate of the slag discharging box.
Has the advantages that: the through holes are reserved with gaps and provided with water draining holes, so that spray water gathered in the slag discharging box can be discharged when the spray head sprays.
Furthermore, the first pipeline is used for being connected with a slag discharge pipe of the chlorination furnace in a detachable and sealing mode, specifically, the first pipeline is connected with a flange through a flange, a bolt hole is formed in the flange, and an annular groove filled with a sealing ring is formed in the connecting end face of the flange.
Has the advantages that: make between the free end of first pipeline and the chlorination furnace realize removable sealing connection through the flange to adopt the sealing washer separation, it is simple and convenient to have a connection, connects the leakproofness good, harmful gas escapes from the free end of first pipeline and the slag discharge pipe junction of chlorination furnace when reducing impurity and discharging.
Further, the first pipeline is specifically a telescopic corrugated pipe.
Has the advantages that: the first pipeline is set to be a telescopic corrugated pipe, so that the first pipeline is telescopic, and the first pipeline is conveniently connected with the slag discharge pipe of the chlorination furnace.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of a chlorination furnace slag discharging system of the present invention;
FIG. 2 is an elevation view of an embodiment of the chlorination furnace slag discharging system of the present invention;
FIG. 3 is a top view of an embodiment of the chlorination furnace slag discharging system of the present invention;
fig. 4 is a cross-sectional view taken at a-a in fig. 3.
Reference numbers in the figures: 1-slag discharging box, 2-slag discharging box, 3-first pipeline, 4-second pipeline, 5-first control valve, 6-second control valve, 7-vacuum pump, 8-flange, 9-annular groove, 10-corrugated pipe, 11-inserted column, 12-draining hole, 13-annular chamber, 14-water outlet pipe, 15-water inlet pipe, 16-flow guide partition plate, 17-nozzle, 18-water pipe, 19-third control valve, 20-water outlet pipe, and 21-fourth control valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
the concrete structure of the embodiment of the chlorination furnace slag discharging system of the utility model is shown in fig. 1-4, and comprises a slag discharging box 1, a slag discharging box 2, a first pipeline 3, a second pipeline 4, a first control valve 5, a second control valve 6 and a vacuum pump 7; the vacuum is communicated with the side wall of the slag discharging box 1 through a second pipeline 4, and a second control valve 6 is arranged on the second pipeline 4 and used for controlling the passage of the second pipeline 4.
One end of the first pipeline 3 is fixed on the upper end surface of the slag discharging box 1, and a free pipe of the first pipeline 3 is detachably and hermetically connected with a slag discharging pipe of a chlorination furnace; a first control valve 5 is provided on the first pipe 3 for controlling the passage of the first pipe 3. In the embodiment, the first pipeline 3 is used for being detachably and hermetically connected with a slag discharge pipe of a chlorination furnace, specifically, the first pipeline is connected with a flange 8, a flange 8 is arranged at the free end of the first pipeline 3, a bolt hole is formed in the flange 8, and an annular groove 9 filled with a sealing ring is formed in the connecting end surface of the flange 8; make between the free end of first pipeline 3 and the chlorination furnace realize removable sealing connection through flange 8 to adopt the sealing washer separation, it is simple and convenient to have a connection, and it is good to connect the leakproofness, and harmful gas escapes from the slag discharge pipe junction of the free end of first pipeline 3 and chlorination furnace when reducing impurity and discharging. The first pipeline 3 is specifically a telescopic corrugated pipe 10, and the first pipeline 3 is set to be the telescopic corrugated pipe 10, so that the first pipeline 3 is telescopic, and the connection between the first pipeline 3 and a slag discharge pipe of the chlorination furnace is convenient. In other embodiments, a hoop is arranged at the free end of the first pipeline, and the hoop is detachably connected with a slag discharge pipe of the chlorination furnace in a sealing mode.
The slag discharging box 2 is arranged in the slag discharging box 1. In the embodiment, the slag discharging box 2 is specifically connected with the slag discharging box 1 in an inserting manner, 4 groups of inserting columns 11 are arranged on the inner bottom surface of the slag discharging box 1, the lower ends of the inserting columns 11 are fixed on the slag discharging box 2, inserting holes matched with the inserting columns 11 are formed in the lower end surface of the slag discharging box 2, and the inserting connection of the slag discharging box 2 and the slag discharging box 1 is realized by inserting the inserting columns 11 into the inserting holes; insert in the jack the post 11 will be inserted, realize arranging the grafting of sediment box 2 and row sediment case 1, when preventing that impurity from leading-in arranging the sediment box 2 in, the displacement takes place under the striking of impurity, when being favorable to impurity to fall into row sediment box 2, the laying or the dismantlement of row sediment box 2 in row sediment case 1 of being convenient for. The free end part of the inserted column 11 is inserted into the inserted hole, so that a gap exists between the lower end surface of the slag discharging box 2 and the inner bottom surface of the slag discharging box 1, and a water draining hole 12 is arranged on the bottom plate of the slag discharging box 2; the through holes are reserved with gaps and provided with water draining holes 12, which is beneficial to discharging the spray water gathered in the slag discharging box 2 when the spray head 17 sprays. In other embodiments, an annular cavity is formed in the side wall of the slag discharging box, and a water inlet pipe and a water outlet pipe which are used for forming a closed loop with a cooling water source are respectively arranged on two sides of the annular cavity. In this embodiment, a flow guiding partition plate 16 is disposed in the annular chamber 13, the flow guiding partition plate 16 divides the annular chamber 13 into a spiral upward flow channel for flowing cooling water, and the water inlet pipe 15 and the water outlet pipe 14 are respectively disposed at two ends of the flow channel; the flow guide partition plate 16 guides the flowing direction of the cooling water in the annular chamber 13, and is beneficial to improving the cooling effect of the circulating cooling water. A plurality of spray heads 17 are arranged on the inner top surface of the slag discharging box 1, the spray heads 17 are uniformly arranged on the inner top surface of the slag discharging box 1 at intervals, the spraying direction of the spray heads 17 is vertical downwards, the spray heads 17 are connected with a water source through water pipes 18, and third control valves 19 are arranged on the water pipes 18; a drain pipe 2018 is arranged at the bottom side of the deslagging box 1, and a fourth control valve 21 is arranged on the drain pipe 2018; after the impurities enter the inspection box, the third control valve 19 is opened, and water is sprayed into the slag discharging box 1 through the spray head 17, so that the dust formed by the impurities entering the slag discharging box 1 absorbs water and falls, and the reduction of the dust amount in the slag discharging box 1 is facilitated. In other embodiments, a plurality of spray heads are not arranged on the inner top surface of the deslagging box, so that dust is settled by prolonging the standing time, and the suspension of the dust in the deslagging box is reduced.
When the device is used, the first control valve 5 is closed, the second control valve 6 is opened, the vacuum pump 7 vacuumizes the deslagging box 1 to form negative pressure in the deslagging box 1, the second control valve 6 and the vacuum pump 7 are closed, the first control valve 5 is opened, impurities in the chlorination furnace flow into the deslagging box 2 in the deslagging box 1 through the deslagging pipe, harmful gas in the deslagging process flows into the deslagging box 1 along with the impurities due to the negative pressure in the deslagging box 1, the second control valve 6 is closed, the third control valve 19 is opened, the spray head 17 sprays into the deslagging box 1, and dust absorbs water and sinks; thereby solving the problem that harmful gas escapes to pollute the environment in the deslagging process.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.