CN110864564A - A kind of steam condensed water recovery device of potassium chlorate refining process - Google Patents

Abstract

The invention discloses a steam condensed water recovery device for a potassium chlorate refining process, which relates to the technical field of chemical production; in order to solve the problem of pipeline blockage caused by the lack of a pretreatment mechanism for chemical steam; it specifically includes a base, a pretreatment tower, a heat preservation tower, a cooling tower, and a cooling tower. The tower and the collection tank, the pretreatment tower, the heat preservation tower, the cooling tower and the collection tank are all arranged on the top of the base, the top of the pretreatment tower is fixed with a motor through the motor base, and the output shaft of the motor is connected with a spray frame, which sprays The top of the shower rack is connected with a guide pipe, the bottom end of the inner wall of the pretreatment tower is welded with a guide hopper, and one side of the pretreatment tower is welded with an air intake pipe, and the top of the pretreatment tower is welded with an air guide pipe, and the guide pipe is welded on the top of the pretreatment tower. The gas pipe runs through the insulation tower. By setting the pretreatment tower in the present invention, the steam produced by the chemical industry can be sprayed by the spray rack to absorb the impurities contained in the steam, and be led out through the guide hopper, so as to avoid the blockage of the pipeline in the cooling tower.

Description

A kind of steam condensed water recovery device of potassium chlorate refining process

technical field

The invention relates to the technical field of chemical production, in particular to a steam condensed water recovery device of a potassium chlorate refining process.

Background technique

Fine chemical products are widely used in various fields of people's production and life. In the production process of some fine chemical products, crude products need to be rectified and purified to obtain products that meet national standards and industry standards; in the process of rectification and purification, it is necessary to The crude product is heated to above 100°C, and the heating medium in this step is high-pressure or low-pressure steam, so a large amount of steam condensate containing waste heat is generated, and the steam condensate containing waste heat cannot heat the crude product or preheat the raw material. temperature. In the existing technology center, the recycling rate of steam condensate water is relatively low, resulting in waste of energy and resources, and the production cost of the enterprise is relatively high.

The Chinese patent application No. 201820207349.6 discloses a steam condensed water recovery device for a potassium chlorate refining process, including a recovery box body, and the interior of the recovery box body is provided with two vertically arranged partitions, the partition plates The recovery box is divided into a heat exchange room, an air drying room and a drying room, a first mounting seat is installed on the bottom surface of the heat exchange chamber, a heat exchange box is connected to the top of the first mounting seat, and the heat exchange box is There is a heat exchanger inside, the top of the heat exchange box is connected with an air collection channel, a first negative pressure fan is installed in the air collection channel, and the bottom of the air collection channel is connected to one side of the air outlet of the first negative pressure fan There is an air outlet duct, a second installation seat is installed on the bottom surface of the air-drying chamber, and the outlet end of the air outlet duct is located inside the second installation seat. The steam condensed water recovery device of a kind of potassium chlorate refining process in the above-mentioned patent has the following deficiencies: this device uses multiple groups of cooling pipe cooling to carry out steam recovery, but the water vapor produced during chemical production contains substances such as miscellaneous dust, and the simple filter screen does not Do not drink directly after filtering; on the contrary, it will cause the pipeline to be blocked due to the lack of pretreatment mechanism.

SUMMARY OF THE INVENTION

The purpose of this invention is to solve the shortcoming existing in the prior art, and proposes a kind of steam condensed water recovery device of potassium chlorate refining process.

In order to achieve the above object, the present invention adopts the following technical solutions:

A steam condensed water recovery device for potassium chlorate refining process, comprising a base, a pretreatment tower, a heat preservation tower, a cooling tower and a collection tank, and the pretreatment tower, the heat preservation tower, the cooling tower and the collection tank are all arranged on the top of the base, so the The top of the pretreatment tower is fixed with a motor through the motor seat, the output shaft of the motor is connected with a spray frame, the top of the spray frame is connected with a guide pipe, and the bottom end of the inner wall of the pretreatment tower is welded with a guide hopper, and One side of the pretreatment tower is welded with an air intake pipe, the top of the pretreatment tower is welded with an air guide pipe, the air guide pipe runs through the heat preservation tower, and the other end of the air guide pipe is inserted into the inner bottom of one side of the cooling tower and connected with a drainage pipe The other end of the drainage pipe is connected with a drain pipe, and one end of the drain pipe is inserted into the inner top of the collection tank.

Preferably: the drainage tube is of an "n"-shaped structure, and the outer wall of the drainage tube is wrapped with a spiral tube.

As a further scheme of the present invention: one side of the top of the base is fixed with a water tank by bolts, and the top of the water tank is fixed with a water pump by bolts, the water pumping end of the water pump is communicated with the inner bottom of the water tank through a water pumping pipe, and the water outlet end of the water pump is connected by The water conduit is communicated with the spiral tube, and the other end of the spiral tube is communicated with the guiding tube.

As a further solution of the present invention: the diversion bucket includes a bucket body and an inner cylinder, the bucket body is welded to the inner wall of the pretreatment tower, the inner bottom of the inner cylinder is welded with a blocking bucket, and the outer wall of the inner cylinder is provided with several ventilation holes .

Preferably: the blocking bucket is a hollow conical structure.

As a further aspect of the present invention: the spray frame includes a rotating shaft, a rotating sleeve and a communication pipe, the rotating shaft is connected with the output shaft of the motor through a coupling, the rotating shaft is fixed on the inner wall of the pretreatment tower through a bearing, and the bottom end of the rotating shaft is The bearing and the swivel sleeve form a transmission fit, and the bottom end of the swivel sleeve is welded with a communicating pipe, the outer wall of the communicating pipe is welded with several spray pipes, and the bottom end of the spray pipe is welded with several spray heads.

As a further aspect of the present invention: an annular groove is opened at the top of the rotating sleeve, a connecting ring is rotatably connected in the annular groove, one end of the guide pipe is welded to the inner top of the connecting ring, and the guide pipe is welded to the pretreatment tower. Inside top.

As a further aspect of the present invention: the top of the bucket body is welded with an inclined table, the inclined table is an annular structure, and the inclined table is inclined toward the inside of the bucket body.

The beneficial effects of the present invention are:

1. By setting up the pretreatment tower, the steam generated by the chemical industry can be sprayed by the spray rack to absorb the impurities contained in the steam, and exported through the guide hopper to avoid the blockage of the pipes in the cooling tower.

2. Further, the spray rack includes a communication pipe and a spray pipe that are connected to the motor, and the spray pipe is driven to rotate by the motor, and then the spray head rotates to spray water droplets, thereby increasing the removal area of dust and water, and improving the efficiency of the spray. The dust absorption efficiency is high; and a connecting ring is provided, which can restrain the fixed connecting ring through the guide tube, so that the rotating sleeve rotates relative to the connecting ring, and the guide tube will not wind or block the rotation of the rotating sleeve, which ensures the stability of the dust removal work.

3. By setting the diversion hopper, the blocking hopper of the hollow conical structure is installed in the diversion hopper, which can reduce the flow rate; at the same time, it has the effect of blocking the air flow, and can export the water body to be processed separately; there are several openings on the outer wall of the inner cylinder. The ventilation holes can introduce steam and at the same time have the effect of reducing the air flow speed, thereby improving the effect of steam dust removal and avoiding the problem of incomplete dust treatment due to excessive air flow speed.

4. By arranging the drainage tube and the spiral tube, the drainage tube of the "n" shape structure expands the contact area with the spiral tube, expands the cooling time, and improves the cooling effect.

Description of drawings

Fig. 1 is the structural representation of the steam condensed water recovery device of a kind of potassium chlorate refining process proposed by the present invention;

Fig. 2 is the internal structure schematic diagram of the steam condensed water recovery device of a kind of potassium chlorate refining process proposed by the present invention;

Fig. 3 is the back structure schematic diagram of the steam condensed water recovery device of a kind of potassium chlorate refining process proposed by the present invention;

Fig. 4 is the structural representation of the guide hopper of the steam condensed water recovery device of a kind of potassium chlorate refining process proposed by the present invention;

5 is a schematic structural diagram of a spray frame of a steam condensed water recovery device of a potassium chlorate refining process proposed by the present invention.

In the picture: 1 base, 2 pretreatment tower, 3 motor, 4 guide pipe, 5 heat preservation tower, 6 cooling tower, 7 drain pipe, 8 collection tank, 9 air inlet pipe, 10 guide bucket, 11 air guide pipe, 12 Spiral pipe, 13 drainage pipe, 14 spray rack, 15 water tank, 16 water pipe, 17 water pump, 18 water pipe, 19 bucket body, 20 inner cylinder, 21 ventilation hole, 22 blocking bucket, 23 inclined table, 24 spray pipe , 25 nozzles, 26 rotating sleeves, 27 rotating shafts, 28 connecting rings, 29 connecting pipes.

Detailed ways

The technical solution of the present patent will be described in further detail below in conjunction with specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present patent, but should not be construed as a limitation on the present patent.

In the description of this patent, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present patent and simplifying the description, rather than indicating or implying The device or element referred to must have, be constructed, and operate in a particular orientation and is not to be construed as a limitation of this patent.

In the description of this patent, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected" and "arranged" should be understood in a broad sense. , it can also be detachably connected and set, or integrally connected and set. For those of ordinary skill in the art, the specific meanings of the above terms in this patent can be understood according to specific situations.

Example 1:

A steam condensed water recovery device for potassium chlorate refining process, as shown in Figure 1-2, includes a base 1, a pretreatment tower 2, a heat preservation tower 5, a cooling tower 6 and a collection tank 8, a pretreatment tower 2, and a heat preservation tower 5 , the cooling tower 6 and the collection tank 8 are all arranged on the top of the base 1;

In order to be able to remove impurities contained in the steam, as shown in Figures 1 and 2, the top of the pretreatment tower 2 is fixed with a motor 3 through a motor base, and a spray frame 14 is connected to the output shaft of the motor 3. The spray frame 14 The top of the pretreatment tower 2 is connected with a guide pipe 4, the bottom end of the inner wall of the pretreatment tower 2 is welded with a guide hopper 10, and one side of the pretreatment tower 2 is welded with an air intake pipe 9, and the top of the pretreatment tower 2 is welded with a Air guide pipe 11, the air guide pipe 11 runs through the heat preservation tower 5, and the other end of the air guide pipe 11 is inserted into the inner bottom of one side of the cooling tower 6 and is connected with a drainage pipe 13. In this embodiment, preferably, the drainage pipe 13 is an "n"-shaped structure, the outer wall of the drainage tube 13 is wrapped with a spiral tube 12, and the drainage tube 13 of the "n"-shaped structure expands the contact area with the spiral tube 12, expands the cooling time, improves the cooling effect, and drains the water. The other end of the pipe 13 is connected with a drain pipe 7, and one end of the drain pipe 7 is inserted into the inner top of the collection tank 8; the steam produced by the chemical industry can be sprayed by the spray frame 14 to absorb the impurities contained in the steam, and pass through the guide hopper. 10 is exported to avoid blockage of the pipes in the cooling tower 6.

In order to solve the problem of rational utilization of water sources; as shown in Figures 2 and 3, a water tank 15 is fixed on one side of the top of the base 1 by bolts, and a water pump 17 is fixed on the top of the water tank 15 by bolts, and the pumping end of the water pump 17 passes through The water suction pipe 16 is communicated with the inner bottom of the water tank 15, the water outlet end of the water pump 17 is communicated with the spiral tube 12 through the water conduit 18, and the other end of the spiral tube 12 is communicated with the guiding tube 4; The water source in 15 is cooled by the spiral pipe 12 to the steam in the draft pipe 13, and the water source after heat absorption is blown into the spray frame 14 through the draft pipe 4, thereby serving as the dust removal treatment in the pretreatment tower 2. The process not only utilizes the water for many times, but also pre-cools the steam entering the pretreatment tower 2, reduces the cooling pressure in the cooling tower 6, and improves the cooling effect.

In order to facilitate the cleaning of water bodies after dust removal, as shown in FIGS. 2 and 4 , the diversion bucket 10 includes a bucket body 19 and an inner cylinder 20 . The bucket body 19 is welded to the inner wall of the pretreatment tower 2 , and the inner bottom of the inner cylinder 20 is welded. There is a blocking bucket 22. In this embodiment, preferably, the blocking bucket 22 is a hollow conical structure, which can reduce the flow rate, and can export the water body, which is convenient and quick to handle separately; the outer wall of the inner cylinder 20 has several ventilation holes. 21. It can introduce steam and at the same time have the effect of reducing the air flow speed, so as to improve the effect of steam dust removal and avoid the problem that the air flow speed is too fast and the dust is not completely treated.

In order to improve the dust removal effect, as shown in FIG. 2 and FIG. 5 , the spray frame 14 includes a rotating shaft 27 , a rotating sleeve 26 and a communication pipe 29 . The rotating shaft 27 is connected to the output shaft of the motor 3 through a coupling, and the rotating shaft 27 passes through The bearing is fixed on the inner wall of the pretreatment tower 2 and can play a role of stable support. The bottom end of the rotating shaft 27 forms a transmission fit with the rotating sleeve 26 through the bearing, and the bottom end of the rotating sleeve 26 is welded with a communication pipe 29. The communication pipe A number of spray pipes 24 are welded on the outer wall of the spray pipe, and a number of spray heads 25 are welded at the bottom end of the spray pipe 24; The removal area is increased, and the dust absorption efficiency is improved.

In order to avoid the influence of the pipeline on the rotating spray frame 14, as shown in Figures 1 and 5, an annular groove is formed at the top of the rotating sleeve 26, and a connecting ring 28 is rotatably connected in the annular groove. Welded on the inner top of the connecting ring 28, and the guide tube 4 is welded on the inner top of the pretreatment tower 2, the connecting ring 28 can be restrained and fixed by the guide tube 4, so that the rotating sleeve 26 rotates relative to the connecting ring 28, and the guide tube 4. It will not wrap or block the rotation of the rotating sleeve 26, which ensures the stability of the dust removal work.

When the present embodiment is in use, the equipment is connected to the power supply, the intake pipe 9 is connected to the exhaust end of the chemical steam, the steam enters the pretreatment tower 2, the inner cylinder 20 blocks the wind speed, and the air flows upward to the pretreatment tower 2 through the ventilation hole 21, and the water pump 17 Work to extract the water source in the water tank 15, the water source enters the spiral pipe 12 and then enters the spray frame 14 on the pretreatment tower 2 through the guide pipe 4, the motor 3 works, drives the rotating shaft 27 to rotate, and then drives the rotating sleeve 26 to rotate, mobilizing the communication pipe The spray pipe 24 on the 29 rotates, the spray head 25 sprays, the water body absorbs the dust in the steam, and forms water droplets with dust and slides into the guide hopper 10 against the wall, and then discharges through the inner cylinder 20, and the drain pipe 7 is inserted. The collection tank 8 can be connected with a suction pump, and the cooling water source in the drainage pipe 13 can be extracted and recovered into the collection tank 8 for reuse.

Example 2:

A steam condensed water recovery device of potassium chlorate refining process, as shown in Figure 1, in order to solve the problem that the water flow of the inner wall of the pretreatment tower 2 cannot be derived; the present embodiment makes the following improvements on the basis of Example 1: the bucket body 19 The sloping table 23 is welded on the top of the sloping table 23, the sloping table 23 is an annular structure, and the inclined table 23 is inclined to the inside of the bucket body 19; thus, the water droplets rolled down from the inner wall of the pretreatment tower 2 can be guided into the bucket body 19, and then pass through the inner cylinder. 20 discharges.

When this embodiment is in use, the water body containing dust is thrown to the inner wall of the pretreatment tower 2 to form droplets of water, and the dropped water droplets can enter the bucket body 19 through the inclined platform 23 and then be discharged.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (8)

1. a steam condensed water recovery device of potassium chlorate refining process, comprises base (1), pretreatment tower (2), insulation tower (5), cooling tower (6) and collection tank (8), pretreatment tower ( 2), the heat preservation tower (5), the cooling tower (6) and the collection tank (8) are all arranged on the top of the base (1). The motor (3), the output shaft of the motor (3) is connected with a spray frame (14), the top of the spray frame (14) is connected with a guide pipe (4), and the bottom end of the inner wall of the pretreatment tower (2) A guide hopper (10) is welded, and an air inlet pipe (9) is welded on one side of the pretreatment tower (2), and an air guide pipe (11) is welded on the top of the pretreatment tower (2), and the air guide pipe (11) Running through the heat preservation tower (5), the other end of the air guide pipe (11) is inserted into the inner bottom of one side of the cooling tower (6) and is connected with a drainage pipe (13), and the other end of the drainage pipe (13) is connected with a drain One end of the pipe (7) and the drain pipe (7) is inserted into the inner top of the collecting tank (8). 2. the steam condensed water recovery device of a kind of potassium chlorate refining process according to claim 1, is characterized in that, described drainage pipe (13) is " n " shape structure, and outer wall of drainage pipe (13) is wrapped with helical pipe (13). 12). 3. the steam condensed water recovery device of a kind of potassium chlorate refining process according to claim 2, is characterized in that, one side of the top of described base (1) is fixed with water tank (15) by bolts, and the water tank (15) is The top is fixed with a water pump (17) by bolts, the water pumping end of the water pump (17) is communicated with the inner bottom of the water tank (15) by a water pumping pipe (16), and the water outlet end of the water pump (17) is connected with the spiral pipe by a water conduit (18). (12) are communicated with each other, and the other end of the spiral tube (12) is communicated with the guide tube (4). 4. the steam condensed water recovery device of a kind of potassium chlorate refining process according to claim 3, is characterized in that, described diversion bucket (10) comprises bucket body (19) and inner cylinder (20), bucket body (19) ) is welded to the inner wall of the pretreatment tower (2), the inner bottom of the inner cylinder (20) is welded with a blocking bucket (22), and the outer wall of the inner cylinder (20) is provided with several ventilation holes (21). 5. The steam condensed water recovery device of a potassium chlorate refining process according to claim 4, wherein the blocking hopper (22) is a hollow conical structure. 6. the steam condensed water recovery device of a kind of potassium chlorate refining process according to claim 5, is characterized in that, described spray frame (14) comprises rotating shaft (27), rotating sleeve (26) and communicating pipe (29) , the rotating shaft (27) is connected with the output shaft of the motor (3) through the coupling, the rotating shaft (27) is fixed to the inner wall of the pretreatment tower (2) through the bearing, and the bottom end of the rotating shaft (27) is connected to the rotating shaft through the bearing. The sleeve (26) forms a transmission fit, and the bottom end of the rotating sleeve (26) is welded with a communicating pipe (29), the outer wall of the communicating pipe is welded with a plurality of spray pipes (24), and the bottom end of the spray pipe (24) is welded There are several nozzles (25). 7. the steam condensed water recovery device of a kind of potassium chlorate refining process according to claim 6, is characterized in that, the top of described rotating sleeve (26) is provided with annular groove, and the annular groove is rotatably connected with connecting ring (28) , one end of the guide pipe (4) is welded to the inner top of the connecting ring (28), and the guide pipe (4) is welded to the inner top of the pretreatment tower (2). 8. according to the steam condensed water recovery device of a kind of potassium chlorate refining process described in any one of claim 4-7, it is characterized in that, the top of described bucket body (19) is welded with inclined table (23), inclined table (23) ) is an annular structure, and the inclined platform (23) is inclined to the inner side of the bucket body (19).

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