Leak-proof reaction gas cooler

Abstract

The utility model discloses a leakproof reaction gas cooler which comprises an upper shell, a connecting device and a heat exchange tube, the top end of the upper shell is provided with a boiler water inlet, the left side of the upper end of the upper shell is provided with a reaction gas inlet, and the lower surface of the upper shell is connected with a lower shell in a sliding mode. A reaction gas outlet is formed in the bottom end of the lower shell, a connecting device is fixedly connected to the outer side of the top end of the lower shell, a storage plate is fixedly connected to the bottom end of the inner side of the lower shell, a heat exchange pipe is installed on the upper surface of the storage plate, and a protection plate is installed on the upper surface of the heat exchange pipe; the left end and the right end of the protection plate are in threaded connection with stabilizing bolts, the outer side of the upper surface of the protection plate is fixedly connected with an inclined plate, and the outer side of the inclined plate is fixedly connected with the inner side of the upper shell. According to the leakproof reaction gas cooler, leakage at the joint is conveniently prevented, materials are conveniently prevented from being stacked in the right-angle area, and the cooler is convenient to disassemble and assemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to propylene nitrile production related technical field, concretely is a kind of reaction gas cooler of leakage prevention. BACKGROUND

[0002] The raw material of propylene nitrile production device is propylene, liquid ammonia and air, which reacts in the reactor by the action of catalyst, produces propylene nitrile main product, while emitting a large amount of heat, the gas at the outlet of reactor contains propylene nitrile, water, nitrogen, oxygen, ammonia, hydrocyanic acid and acetonitrile and other products, while containing a small amount of catalyst powder.

[0003] The Chinese utility model patent with the authorization announcement No.CN217383891U discloses propylene nitrile reaction gas cooler, relates to propylene nitrile production related technical field, including upper tube box, upper tube plate and heat exchange pipe, the upper tube plate top is equipped with protection plate, and the protection plate is opened hole, and it is opposite each heat exchange pipe, and the heat exchange pipe upper end inside is equipped with sleeve, and the sleeve top penetrates protection plate;Flange is equipped between upper tube plate and upper tube box, and the adjacent place of flange and protection plate is right angle place airflow dead zone, and solid protection ring is equipped at right angle place airflow dead zone, and welding point is equipped at the place where protection ring is connected with flange.The utility model discloses scientific and reasonable design, effectively solves the erosion problem and corrosion problem of welding point during online cleaning, prolongs the service life of cooler;

[0004] However, the existing technology has the problems that the connection part is easy to leak gas, it is not convenient to prevent gas leakage at the connection part, and the connection part of the upper shell and the protection plate has a right angle area where materials are easy to accumulate, it is not convenient to prevent material accumulation, and the gas cooler needs to be maintained, and it is not convenient to disassemble and assemble the gas cooler.

[0005] Therefore, we provide a reaction gas cooler to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a reaction gas cooler to solve the problems in the background art.

[0007] To achieve the above object, the utility model provides the following technical scheme: a reaction gas cooler, comprising an upper shell, a connecting device and a heat exchange pipe, a boiler water inlet is formed in the top end of the upper shell, a reaction gas inlet is formed in the upper end left side of the upper shell, and a lower shell is slidably connected to the lower surface of the upper shell, and a reaction gas outlet is formed in the bottom end of the lower shell.

[0008] The top outer side of the lower shell is fixedly connected with a connecting device, and the inner bottom end of the lower shell is fixedly connected with a storage plate, and the upper surface of the storage plate is provided with a heat exchange pipe, the upper surface of the heat exchange pipe is provided with a protection plate, the left and right ends of the protection plate are both threadedly connected with a stable bolt, and the outer side of the upper surface of the protection plate is fixedly connected with an inclined plate.

[0009] Preferably, the outer side of the inclined plate is fixedly connected with the inner side of the upper shell.

[0010] Preferably, the connecting device is composed of a first connecting ring, a first protruding block, a second connecting ring, a first storage slot, a second protruding block, a second storage slot and a sealing ring, the outer end of the upper surface of the first connecting ring is fixedly connected with the first protruding block, the upper surface of the first connecting ring is provided with the second connecting ring, the outer end of the lower surface of the second connecting ring is provided with the first storage slot, the inner end of the upper surface of the first connecting ring is fixedly connected with the second protruding block, the inner end of the lower surface of the second connecting ring is provided with the second storage slot, and the bottom end of the outer side of the second protruding block is fixedly connected with the sealing ring.

[0011] Preferably, the first connecting ring is fixedly connected with the outer top end of the lower shell.

[0012] Preferably, the second connecting ring is fixedly connected with the outer bottom end of the upper shell.

[0013] Preferably, the first protruding block is threadedly connected with the inner side of the first storage slot.

[0014] Preferably, the sealing ring is slidingly connected with the inner side of the second storage slot.

[0015] Compared with the prior art, the beneficial effects of the anti-leakage reaction gas cooler are that the connecting device is convenient for preventing leakage at the connecting position, the inclined plate is convenient for preventing material from accumulating in the right-angle area, and the cooler is convenient for disassembling and assembling.

[0016] 1. The upper shell and the lower shell are connected and fixed by the connecting device, the first connecting ring and the second connecting ring are threadedly connected, the inner end of the first connecting ring is fixedly connected with the second protruding block, the bottom end of the outer side of the second protruding block is fixedly connected with the sealing ring, the outer side of the sealing ring is matched with the inner side of the second storage slot, and the connecting position is convenient for preventing leakage.

[0017] 2. The inner side of the upper shell is provided with a right-angle area at the connecting position of the protection plate, the outer side of the inclined plate is welded to the inner side of the upper shell and the outer end of the upper surface of the protection plate during the reaction, and the inclined plate is convenient for preventing material from accumulating in the right-angle area.

[0018] 3. The upper shell and the lower shell are screwed together by the first connecting ring and the second connecting ring, the inner bottom end of the lower shell is fixedly connected with the storage plate, the heat exchange pipe is placed on the storage plate, and the heat exchange pipe and the protection plate are fixedly connected together by the stable bolt, so that the cooler is convenient to disassemble and assemble. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view cut structure schematic view of the utility model;

[0020] Figure 2 It is a side view cut structure schematic view of the utility model;

[0021] Figure 3 It is a top view cut structure schematic view of the utility model;

[0022] Figure 4 It is a front view cut structure schematic view of the utility model Figure 1 It is an enlarged structure schematic view of A in the utility model.

[0023] In the drawing: 1, upper shell; 2, boiler water inlet; 3, reaction gas inlet; 4, lower shell; 5, reaction gas outlet; 6, connecting device; 601, first connecting ring; 602, first protruding block; 603, second connecting ring; 604, first storage groove; 605, second protruding block; 606, second storage groove; 607, sealing ring; 7, storage plate; 8, heat exchange pipe; 9, protection plate; 10, stable bolt; 11, inclined plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a reaction gas cooler of leakage prevention, including upper shell 1, boiler water inlet 2, reaction gas inlet 3, lower shell 4, reaction gas outlet 5, connecting device 6, first connecting ring 601, first protruding block 602, second connecting ring 603, first storage groove 604, second protruding block 605, second storage groove 606, sealing ring 607, storage plate 7, heat exchange pipe 8, protection plate 9, stable bolt 10 and inclined plate 11.

[0026] The top end of the upper shell 1 is fixed with a boiler water inlet 2, and the left side of the upper end of the upper shell 1 is provided with a reaction gas inlet 3, and the boiler water inlet 2 and the reaction gas inlet 3 are connected with external equipment, so that the material enters the gas cooler, and the lower surface of the upper shell 1 is provided with a lower shell 4, and the bottom end of the lower shell 4 is provided with a reaction gas outlet 5, and the top end of the lower shell 4 is fixedly connected with a connecting device 6 for connecting the upper shell 1 and the lower shell 4, and the connecting device 6 is composed of a first connecting ring 601, a first protruding block 602, a second connecting ring 603, a first storage groove 604, a second protruding block 605, a second storage groove 606 and a sealing ring 607, the first connecting ring 601 is fixedly connected to the top end of the lower shell 4, the upper surface of the first connecting ring 601 is fixedly connected with the first protruding block 602, the upper surface of the first connecting ring 601 is provided with the second connecting ring 603, the second connecting ring 603 is fixedly connected to the outer bottom end of the upper shell 1, the lower surface of the second connecting ring 603 is provided with the first storage groove 604, the outer side of the first protruding block 602 is threadedly connected with the first storage groove 604, the upper surface of the first connecting ring 601 is fixedly connected with the second protruding block 605, the lower surface of the second connecting ring 603 is provided with the second storage groove 606, the outer bottom end of the second protruding block 605 is fixedly connected with the sealing ring 607, the outer side of the sealing ring 607 is matched with the inner side of the second storage groove 606, the sealing ring 607 and the second protruding block 605 are slidably connected in the second storage groove 606, and the sealing ring 607 seals the connecting part of the upper shell 1 and the lower shell 4 to prevent gas leakage;

[0027] The inner bottom end of the lower shell 4 is fixedly connected with a storage plate 7, the storage plate 7 is an annular plate, the upper surface of the storage plate 7 is placed with a heat exchange pipe 8, the heat exchange pipe 8 is slidably connected to the inner side of the lower shell 4, the upper surface of the heat exchange pipe 8 is placed with a protection plate 9, the left and right ends of the protection plate 9 are both threadedly connected with a stable bolt 10, the stable bolt 10 fixes the protection plate 9 on the heat exchange pipe 8, the inner bottom end of the upper shell 1 is fixedly connected with an inclined plate 11, the lower surface of the inclined plate 11 is fixedly connected to the outer end of the upper surface of the protection plate 9, and the connecting part of the inclined plate 11 and the upper shell 1 and the protection plate 9 is welded, and the above completes a series of operations of the leakage-proof reaction gas cooler, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0028] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the existing technology, the machinery, parts and equipment adopt the conventional type in the existing technology, and the circuit connection adopts the conventional connection mode in the existing technology, which will not be described in detail here.

[0029] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A leak-tight reactor gas cooler comprising an upper housing (1), a connection device (6) and heat exchange tubes (8), characterized in that: The top end of the upper shell (1) is provided with a boiler water inlet (2), and the left side of the upper end of the upper shell (1) is provided with a reaction gas inlet (3), and the lower surface of the upper shell (1) is slidably connected with a lower shell (4), and the bottom end of the lower shell (4) is provided with a reaction gas outlet (5); The outer side of the top end of the lower shell (4) is fixedly connected with a connecting device (6), and the inner bottom end of the lower shell (4) is fixedly connected with a storage plate (7), and the upper surface of the storage plate (7) is provided with a heat exchange pipe (8), the upper surface of the heat exchange pipe (8) is provided with a protection plate (9), and the left and right ends of the protection plate (9) are both threadedly connected with a stable bolt (10), and the outer side of the upper surface of the protection plate (9) is fixedly connected with an inclined plate (11).

2. A leak-tight reactor gas cooler according to claim 1, characterized in that: The outer side of the inclined plate (11) is fixedly connected with the inner side of the upper shell (1).

3. A leak-tight reactor gas cooler according to claim 1, characterized in that: The connecting device (6) is composed of a first connecting ring (601), a first protruding block (602), a second connecting ring (603), a first storage groove (604), a second protruding block (605), a second storage groove (606) and a sealing ring (607), the outer end of the upper surface of the first connecting ring (601) is fixedly connected with the first protruding block (602), the upper surface of the first connecting ring (601) is provided with the second connecting ring (603), the outer end of the lower surface of the second connecting ring (603) is provided with the first storage groove (604), the inner end of the upper surface of the first connecting ring (601) is fixedly connected with the second protruding block (605), the inner end of the lower surface of the second connecting ring (603) is provided with the second storage groove (606), and the outer bottom end of the second protruding block (605) is fixedly connected with the sealing ring (607).

4. A leak-tight reactor gas cooler according to claim 3, characterized in that: The first connecting ring (601) is fixedly connected to the outer top end of the lower shell (4).

5. A leak-tight reactor gas cooler according to claim 3, characterized in that: The second connecting ring (603) is fixedly connected to the outer bottom end of the upper shell (1).

6. A leak-tight reactor gas cooler according to claim 3, characterized in that: The first protruding block (602) is threadedly connected with the inner side of the first storage groove (604).

7. A leak-tight reactor gas cooler according to claim 3, characterized in that: The sealing ring (607) is slidably connected to the inner side of the second storage groove (606).

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