Cooling water tank for carbonization tower

Abstract

The present utility model relates to the technical field of sodium carbonate production and processing. Disclosed is a cooling water tank for a carbonization tower, the cooling water tank comprising a rectangular box connected to a carbonization tower body via a connecting portion, wherein a first header portion and a second header portion are respectively arranged on the left side and the right side of the box, and each of the first header portion and the second header portion comprises a cavity for containing cooling water; the cavities of the first header portion and the second header portion are in communication with each other via heat exchange pipes, the outer diameter D of each heat exchange pipe is 25 mm-85 mm, the heat exchange pipes are distributed in N rows, and the heat exchange pipes in adjacent rows are arranged in a staggered way; pipe centerlines of the heat exchange pipes in the same row are all located in the same plane, the distance between adjacent planes is A, with A / D ranging from 1.3 to 2.5, the spacing between the heat exchange pipes in adjacent columns is B, with B / D ranging from 1.3 to 2.5, a baffle is provided at edges of the heat exchange pipes in the first row, and the baffle is fixed between a tower wall face and the heat exchange pipes, wherein N is a natural number that is not 0.

Description

Carbonization tower cooling water tank TECHNICAL FIELD

[0001] The utility model belongs to soda production processing technical field, especially relates to a carbonization tower cooling water tank. BACKGROUND

[0002] The carbonization tower is the main equipment of soda industry, and the reaction in the tower has multiple processes such as mass transfer, absorption, chemical reaction, crystallization and heat transfer, and contains multiple phase systems such as gas, liquid and solid. Among them, a large amount of heat is generated by the reaction and crystallization in the tower body, which needs to be removed in time through the heat exchange pipe to ensure the normal production.

[0003] At present, the carbonization tower contains a complex gas-liquid-solid three-phase system, especially the solid phase content is high at the bottom of the carbonization tower. If the spacing of the heat exchange pipe is small, crystallization accumulation is easy to occur; if the spacing of the heat exchange pipe is large, a sufficient number of heat exchange pipes cannot be arranged to meet the heat exchange demand, so the normal production of the carbonization tower needs to solve the above problems.

[0004] The utility model aims at meeting the actual demand, and provides a carbonization tower cooling water tank, which improves the heat exchange efficiency and reduces the risk of crystallization accumulation by linking the size of the heat exchange pipe with the position and distance of the heat exchange pipe.

[0005] The first aspect is to achieve the above-mentioned utility model purpose, and the first purpose of the utility model is to provide a carbonization tower cooling water tank, which comprises a rectangular box body connected with the carbonization tower body through a connecting part, and the left and right sides of the box body are respectively provided with a first pipe box part and a second pipe box part, and the first pipe box part and the second pipe box part both comprise a cavity for placing cooling water; the cavities of the first pipe box part and the second pipe box part are communicated through a heat exchange pipe, the outer diameter D of the heat exchange pipe is 25mm-85mm, the heat exchange pipe is distributed in N rows, and the heat exchange pipes between adjacent rows are staggered; the pipe center lines of the heat exchange pipes in the same row are all on the same plane, the distance between adjacent planes is A, the range of A / D is 1.3-2.5, the pipe spacing of the heat exchange pipes in adjacent columns is B, the range of B / D is 1.3-2.5, the edge of the heat exchange pipe in the first row is provided with a baffle, and the baffle is fixed between the tower wall surface and the heat exchange pipe; wherein N is a natural number not equal to 0.

[0006] The utility model discloses a heat exchange pipe size and the position of heat exchange pipe distance linkage setting, meet the heat exchange requirement, prevent the crystallization accumulation phenomenon of heat exchange pipe from happening, and the utility model discloses a heat exchange pipe edge corresponding position at the most top row is provided with the baffle, effectively prevent the heat exchange fluid from passing through the area without heat exchange pipe, improved the heat exchange efficiency, and the utility model discloses through research shows that the baffle is located the first row (that is: the most top row) heat exchange pipe edge corresponding position, more difficult to happen obstruction in the operation process of carbonization tower device, improve the heat exchange efficiency, and improve the device operation stability.

[0007] In the above-mentioned carbonization tower cooling water tank scheme, the lower end of the first tube box part or the second tube box part is provided with a cooling water inlet, and the upper end is provided with a cooling water outlet. The cooling water in the cooling water tank is arranged in a downward-inlet upward-outlet manner, so that the water tank is filled with cooling water, the heat exchange area is ensured, the heat exchange efficiency is improved, and the instability of two-phase flow is avoided. In the above-mentioned carbonization tower cooling water tank scheme, the heat exchange pipe is a multi-tube pass, for example, a 4-tube pass, and a split pass partition plate is arranged in the first tube box part and / or the second tube box part.

[0008] In the above-mentioned carbonization tower cooling water tank scheme, the inner diameter of the heat exchange pipe is 20mm-80mm.

[0009] In the above-mentioned carbonization tower cooling water tank scheme, the outer diameter of the heat exchange pipe is 25mm-57mm.

[0010] In the above-mentioned carbonization tower cooling water tank scheme, the cooling water tank comprises a carbon steel plate and a corrosion-resistant plate. The carbon steel plate is used as the shell, and the corrosion-resistant plate is used as the lining. The cooling water tank is composed of the carbon steel plate and the corrosion-resistant plate, which ensures the strength, delays the corrosion of the equipment, and prolongs the service life.

[0011] In the above-mentioned carbonization tower cooling water tank scheme, the material of the corrosion-resistant plate is stainless steel or duplex steel or glass steel.

[0012] In the above-mentioned carbonization tower cooling water tank scheme, the cooling water tank is provided with a plate rib outside.

[0013] In the above-mentioned carbonization tower cooling water tank scheme, the rib plate comprises a longitudinal rib plate and a ring rib plate, the longitudinal rib plate is arranged around the vertical surface of the tank body in several turns, and the ring rib plate is arranged around the horizontal surface of the tank body in several turns.

[0014] The rib plate is arranged outside the cooling water tank to improve the strength and stability of the cooling water tank, so that the cooling water tank can bear greater pressure and weight and remain stable.

[0015] The utility model discloses at least has following positive effect: (1) through the size of heat exchange pipe and the position, distance of heat exchange pipe linkage setting, has met the heat exchange requirement, prevents the crystallization accumulation phenomenon of heat exchange pipe from happening; (2) the baffle is arranged at the edge of the heat exchange pipe of the most top row, effectively prevents the heat exchange fluid from passing through the area without heat exchange pipe, improves the heat exchange efficiency; BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the present application, the drawings needed to be used in the embodiment description will be briefly introduced, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Fig. 1 is a front view of a carbonization tower cooling water tank according to an embodiment of the present application; Fig. 2 is a top view of a carbonization tower cooling water tank according to an embodiment of the present application; Fig. 3 is a left view of a carbonization tower cooling water tank according to an embodiment of the present application; Fig. 4 is a schematic view of heat exchange pipe arrangement according to an embodiment of the present application.

[0018] In the figure, 1 is a first tube box part; 2 is a second tube box part; 3 is a heat exchange pipe; 4 is a baffle; 5 is a cooling water inlet; 6 is a cooling water outlet; 7 is a tank body; 8 is a connecting part; 9 is a longitudinal rib plate; 10 is a ring rib plate. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0021] For ease of description, spatially relative terms such as "upper", "lower", "left", "right", and the like, are used in the description to illustrate the relationships between one element or feature and another element or feature in the drawings. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation, in addition to the orientations depicted in the figures. For example, if a device is inverted, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0022] Also, the terms "first", "second", and the like, do not necessarily have to refer to any particular one or thing, but can be used to identify only one element from another element or to distinguish one element from another element by the order indicated to distinguish them from, or distinguish them from, each other, but do not necessarily require or imply any such actual relationship or order between such elements.

[0023] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Please refer to FIG. 1 to FIG. 4; first embodiment

[0025] The utility model provides a kind of carbonization tower cooling water tank, including the rectangular box 7 being connected with carbonization tower body by connecting portion 8, the left and right sides of box are respectively provided with first pipe box part 1 and second pipe box part 2, first pipe box part 1 and second pipe box part 2 all include the cavity for placing cooling water;The cavity of first pipe box part 1 and second pipe box part 2 is communicated by heat exchange tube 3;The outer diameter of heat exchange tube 3 is D, then the range of D is 25mm~85mm;Preferably, the outer diameter of heat exchange tube 3 is 25mm~57mm, such as 25mm or 40mm or 57mm;The range of inner diameter is 20mm~80mm;Need according to the water quality adaptability of cooling water to select the size of inner diameter, if water quality is good, i.e. no impurities, no suspended solids, no precipitate, while, water pH, hardness, chloride ion content and other indexes are also within reasonable range, can select smaller inner diameter, and when water quality is poor, larger inner diameter should be selected, avoid pipe scale blockage;And the specific setting of outer diameter value needs to consider the thickness of pipe wall, the influence of the size of outer diameter on fluid, and whether easy to crystallize and so on, to prevent crystallization accumulation phenomenon from occurring while guaranteeing heat transfer efficiency, affect the stability of production, the number of pipe material also needs to be controlled within reasonable range to reduce cost, therefore, based on the consideration of many aspects, the position distance of heat exchange tube is designed on the basis of the setting of inner and outer diameter values, to meet the heat exchange demand: as shown in Figure 3, heat exchange tube 3 is N row distribution, N is the natural number not for 0, the heat exchange tube 3 of adjacent rows is staggered arrangement, the arrangement mode makes fluid flush the outer wall of a row of pipes, then just falls to directly flush the outer wall of the next row of pipes, reduce the laminar thickness of heat exchange pipe outer wall, improve the heat exchange effect;As shown in Figure 3, the pipe center line of the same row of heat exchange tube 3 is all on the same plane, the distance between adjacent planes is A, then A / D is 1.3~2.5, such as, can make A / D be 1.3 or 2 or 2.5, the pipe spacing of adjacent column heat exchange tube is B, then B / D is 1.3~2.5, such as 1.3 or 2 or 2.5;The ratio range can arrange enough heat exchange tube quantity, meet the heat exchange demand, while can avoid solid phase crystallization to occur blockage.

[0026] The present application also provides a baffle 4 at the edge of the uppermost row of heat exchange tube 3, the baffle 4 is fixed between the tower wall and the heat exchange tube;There is a dead angle at the edge of carbonization tower that cannot be reached by heat exchange tube, and the setting of baffle 4 can reduce the dead angle, the amount of heat exchange fluid passing through the area without heat exchange tube is reduced, thereby improving the heat exchange efficiency.

[0027] Based on the content of the first embodiment, the lower end of first pipe box part 1 or second pipe box part 2 is provided with cooling water inlet 5, and the upper end is provided with cooling water outlet 6, the setting of lower inlet and upper outlet can prevent air from entering, ensure that the inside of first pipe box part 1, second pipe box part 2 and heat exchange tube 3 is full of water, ensure the heat exchange area, avoid the corrosion and oxidation of air to equipment, and avoid the instability of two-phase flow.

[0028] In addition, the cooling water tank comprises carbon steel plates and corrosion-resistant plates, which can be stainless steel or duplex steel or glass steel, so as to delay corrosion and prolong the service life of the device.

[0029] The cooling water tank is provided with a rib plate to ensure the strength of the tank, preferably, the rib plate comprises longitudinal rib plates 9 and annular rib plates 10, the longitudinal rib plates 9 are arranged around the vertical surface of the tank body 7 in several turns, and the annular rib plates are arranged around the horizontal surface of the tank body 7 in several turns, so as to fully ensure the strength and stability of the cooling water tank to bear greater pressure and weight.

[0030] Based on the foregoing embodiments, the principle of the present scheme is that if the cooling water inlet and the cooling water outlet are arranged in the first pipe box part 1, the cooling water enters from the cooling water inlet 5 at the lower end of the first pipe box part 1 and circulates; when passing through the heat exchange pipe 3, the heat exchange pipe 3 can cool and lower the temperature of the fluid in the carbonization tower to meet the production needs; the cooled cooling water enters the second pipe box part 2 and then enters the heat exchange pipe 3 again from the second pipe box part 2, and finally flows out from the cooling water outlet 6 of the first pipe box part 1, thereby completing the entire heat exchange process.

[0031] Based on the above device, the heat exchange requirement is met, the heat exchange efficiency is improved, and the stable operation of production is ensured.

[0032] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principles of the present application, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A carbonization tower cooling water tank, comprising a rectangular tank body (7) connected with a carbonization tower body through a connecting part (8), first and second pipe tank parts (1) and (2) respectively arranged on the left and right sides of the tank body (7), the first and second pipe tank parts (1) and (2) each comprising a cavity for placing cooling water; the cavities of the first and second pipe tank parts (1) and (2) are communicated through heat exchange pipes (3), characterized in that, The outer diameter D of the heat exchange pipe (3) is 25-85 mm, the heat exchange pipes are distributed in N rows, the heat exchange pipes (3) in adjacent rows are staggered, the pipe center lines of the heat exchange pipes (3) in the same row are all on the same plane, the distance between adjacent planes is A, the range of A / D is 1.3-2.5, the pipe spacing of the heat exchange pipes (3) in adjacent columns is B, the range of B / D is 1.3-2.5, the heat exchange pipes (3) in the first row are provided with baffles (4) at the edges, the baffles (4) are fixed between the tower wall surface and the heat exchange pipes, and N is a natural number not equal to 0.

2. The carbonization column cooling water tank according to claim 1, characterized by The lower end of the first pipe box part (1) or the second pipe box part (2) is provided with a cooling water inlet (5), and the upper end is provided with a cooling water outlet (6).

3. The carbonization column cooling water tank according to claim 1, characterized by, The inner diameter of the heat exchange pipe (3) is 20-80 mm.

4. The carbonization column cooling water tank of claim 1, wherein, The outer diameter of the heat exchange pipe (3) is 25-57 mm.

5. The carbonization column cooling water tank of claim 1, wherein, The carbonization tower cooling water tank comprises a carbon steel plate and a corrosion-resistant plate.

6. The carbonization column cooling water tank according to claim 5, characterized by The material of the corrosion-resistant plate is stainless steel or duplex steel or glass steel.

7. The carbonization column cooling water tank of claim 1, wherein, The cooling water tank is externally provided with a rib plate.

8. The carbonization column cooling water tank according to claim 7, characterized by, The rib plate comprises longitudinal rib plates (9) and annular rib plates (10), the longitudinal rib plates (9) are arranged in several turns around the vertical surface of the tank body (7), and the annular rib plates (10) are arranged in several turns around the horizontal surface of the tank body (7).

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