CN216954148U

CN216954148U - Double-phase stainless steel tube type heat exchanger

Info

Publication number: CN216954148U
Application number: CN202123175247.1U
Authority: CN
Inventors: 邓学俊
Original assignee: Chongqing Nengxing Fluid Equipment Co ltd
Current assignee: Chongqing Nengxing Fluid Equipment Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-07-12
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a duplex stainless steel tube type heat exchanger which comprises a shell, wherein two ends of the shell are respectively provided with a first flange, the outer side of each first flange is provided with a plurality of connecting pins at equal intervals, each first flange is provided with a connecting rod through the corresponding connecting pin, two ends of the shell are respectively provided with a tube box, one side of each tube box is provided with a second flange, the outer side of each second flange is provided with a plurality of pairs of fixing blocks at equal intervals, one side of each fixing block is provided with a clamping block, the clamping blocks can be clamped with the connecting rods, one side of the inner part of the shell is provided with a filter plate, the bottom of the filter plate is provided with a stud, the stud is mutually meshed with a threaded hole, the shell is provided with a notch in the top of the filter plate, the filter plate penetrates through the notch and extends to the outer side of the notch, and the top of the filter plate is provided with a handle. The heat exchanger has the advantages of simple and reasonable structure, novel design and simple and convenient operation, effectively overcomes the defect of complex disassembly and assembly of the existing heat exchanger, improves the disassembly and assembly efficiency, and has higher practical value.

Description

Double-phase stainless steel tube type heat exchanger

Technical Field

The utility model relates to the technical field of tube type heat exchangers, in particular to a duplex stainless steel tube type heat exchanger.

Background

The shell and tube heat exchanger is the most widely used heat exchanger in chemical industry and alcohol production. It is mainly composed of a shell, a tube plate, a heat exchange tube, a seal head, a baffle plate and the like. When heat exchange is carried out, a fluid enters from the connecting pipe of the end socket, flows in the pipe and flows out from the outlet pipe at the other end of the end socket, which is called a pipe pass; the other fluid enters from a connecting pipe of the shell and flows out from the other connecting pipe on the shell, which is called shell side. The existing tube type heat exchanger is usually installed by matching bolts and nuts, the installation process is complex, and manpower is consumed. Therefore, we improve the problem and provide a duplex stainless steel tube type heat exchanger.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a duplex stainless steel tube type heat exchanger, which comprises a shell, wherein two ends of the shell are respectively provided with a first flange, the outer side of each first flange is provided with a plurality of connecting pins at equal intervals, each first flange is provided with a connecting rod through the corresponding connecting pin, two ends of the shell are respectively provided with a tube box, one side of each tube box is provided with a second flange, the outer side of each second flange is provided with a plurality of pairs of fixed blocks at equal intervals, one side of each fixed block is provided with a fixture block which can be mutually clamped with the corresponding connecting rod, one side of the interior of the shell is provided with a filter plate, the bottom of the filter plate is provided with a stud, the shell is provided with a mounting block at the bottom of the filter plate, the surface of the mounting block is provided with a threaded hole, the stud is mutually meshed with the threaded hole, the top of the shell is provided with a notch, and the filter plate penetrates through the notch, and extend to the outside of the notch, and the top of the filter plate is provided with a handle.

As a preferable technical solution of the present invention, the housing is provided with a first sealing groove at an outer side of the notch, and a first sealing ring is installed inside the first sealing groove.

As a preferable technical scheme of the utility model, a groove is formed in the fixing block, a spring is arranged in the groove, and one end of the spring is connected with the fixing block.

As a preferred technical scheme of the utility model, the connecting rod is a T-shaped connecting rod.

As a preferred technical scheme of the present invention, a second sealing groove is formed on each of one sides of the first flange and the second flange, and a second sealing ring is installed inside the second sealing groove.

As a preferable technical solution of the present invention, a first connection pipe is disposed at a top of one of the tube boxes, a plurality of heat transfer pipes are disposed inside the casing, one end of the first connection pipe is connected to one end of one of the heat transfer pipes, a second connection pipe is disposed at one side of a bottom of the casing, one end of the second connection pipe is connected to one end of the other heat transfer pipe, and a plurality of baffle plates are disposed at equal intervals between the plurality of heat transfer pipes at upper and lower ends of an inner wall of the casing.

As a preferable technical solution of the present invention, a third connection pipe is disposed at a top of the other of the tube boxes, and a fourth connection pipe is disposed at a bottom side of one of the tube boxes, and the fourth connection pipe and the third connection pipe can be connected to each other.

As a preferred technical solution of the present invention, the bottom of the housing is provided with a pair of supports.

The utility model has the beneficial effects that:

1. according to the duplex stainless steel tube type heat exchanger, the connecting pins, the connecting rods, the fixing blocks, the clamping blocks and the springs are matched for use, the heat exchanger can be quickly disassembled and assembled, so that the disassembling and assembling time of workers is saved, and the sealing property between the shell and the tube box can be effectively enhanced through the matching use of the second sealing grooves and the second sealing rings;

2. according to the duplex stainless steel tube type heat exchanger, the filter plate, the stud, the mounting block, the threaded hole and the handle are matched for use, so that water flow entering the shell can be filtered, the filter plate is convenient to replace, and the filter plate is convenient to clean; the heat exchanger has the advantages of simple and reasonable structure, novel design and simple and convenient operation, effectively overcomes the defect of complex disassembly and assembly of the existing heat exchanger, improves the disassembly and assembly efficiency, and has higher practical value.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a perspective view of a duplex stainless steel shell and tube heat exchanger of the present invention;

FIG. 2 is a plan sectional view of a duplex stainless steel shell and tube heat exchanger of the present invention;

FIG. 3 is a plan view of a connecting rod and a fixture block of a duplex stainless steel tubular heat exchanger according to the present invention;

FIG. 4 is an enlarged view of the structure A in FIG. 2 of a duplex stainless steel shell and tube heat exchanger according to the present invention;

FIG. 5 is an enlarged view of the structure B in FIG. 2 of a duplex stainless steel shell and tube heat exchanger according to the present invention.

In the figure: 1. a housing; 101. a first flange; 102. connecting pins; 103. a heat transfer tube; 104. a baffle plate; 105. mounting blocks; 106. a threaded hole; 107. a first seal groove; 108. a first seal ring; 2. a pipe box; 201. a second flange; 202. a fixed block; 203. a groove; 204. a clamping block; 205. a spring; 3. a first adapter tube; 301. a second connection pipe; 4. a third connection pipe; 401. a fourth connection pipe; 5. a connecting rod; 6. a second seal groove; 601. a second seal ring; 7. a filter plate; 701. a stud; 702. a handle; 8. and (4) a support.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

The embodiment is as follows: as shown in fig. 1-5, the duplex stainless steel tubular heat exchanger of the present invention comprises a housing 1, wherein two ends of the housing 1 are respectively provided with a first flange 101, the outer side of the first flange 101 is equidistantly provided with a plurality of connecting pins 102, the first flange 101 is provided with a connecting rod 5 through the connecting pins 102, two ends of the housing 1 are respectively provided with a tube box 2, one side of the tube box 2 is provided with a second flange 201, the outer side of the second flange 201 is equidistantly provided with a plurality of pairs of fixing blocks 202, one side of the fixing blocks 202 is provided with a fixture block 204, the fixture block 204 can be mutually clamped with the connecting rod 5, one side of the interior of the housing 1 is provided with a filter plate 7, the bottom of the filter plate 7 is provided with a stud 701, the housing 1 is provided with a mounting block 105 at the bottom of the filter plate 7, the surface of the mounting block 105 is provided with a threaded hole 106, the stud 701 is mutually meshed with the threaded hole 106, the housing 1 is provided with a notch at the top of the filter plate 7, the filter plate 7 penetrates the slot and extends to the outside of the slot, and a handle 702 is mounted on the top of the filter plate 7.

Wherein, casing 1 has seted up first seal groove 107 in the outside of notch, and the internally mounted of first seal groove 107 has first sealing washer 108, uses through the cooperation of first seal groove 107 with first sealing washer 108, can strengthen the leakproofness between the heat exchanger.

Wherein, the recess 203 has been seted up to the inside of fixed block 202, and the internally mounted of recess 203 has spring 205, and spring 205's one end and fixture block 204 interconnect can make things convenient for the dismouting of connecting rod 5 through spring 205's setting.

Wherein, connecting rod 5 is "T" type connecting rod, through the setting of "T" type connecting rod, prevents that connecting rod 5 from appearing not hard up, influences the use of heat exchanger.

Wherein, a second sealing groove 6 is respectively arranged on one side of the first flange 101 and one side of the second flange 201, and a second sealing ring 601 is arranged in the second sealing groove 6.

The top of one of the tube boxes 2 is provided with a first connecting tube 3, the inside of the shell 1 is provided with a plurality of heat transfer tubes 103, one end of the first connecting tube 3 is communicated with one end of one of the heat transfer tubes 103, one side of the bottom of the shell 1 is provided with a second connecting tube 301, one end of the second connecting tube 301 is communicated with one end of the other heat transfer tube 103, and a plurality of baffle plates 104 are arranged at the upper end and the lower end of the inner wall of the shell 1 among the plurality of heat transfer tubes 103 at equal intervals.

Wherein, the top of another tube box 2 is provided with a third connecting pipe 4, and one side of the bottom of one tube box 2 is provided with a fourth connecting pipe 401, and the fourth connecting pipe 401 can be communicated with the third connecting pipe 4.

Wherein, the bottom of casing 1 is equipped with a pair of support 8, through the setting of support 8, conveniently fixes the heat exchanger.

The working principle is as follows: during the use, at first install filter 7 into the inside of casing 1 through the notch, then interlock each other through double-screw bolt 701 and screw hole 106, the realization is fixed filter 7, install the inside of casing 1 with the heat-transfer pipe again, later dock first flange 101 with second flange 201, rotate connecting rod 5 again, make connecting rod 5 block advance in the fixed block 202 on second flange 201 surface, simultaneously fixture block 204 fixes connecting rod 5, thereby realize the installation between casing 1 and the pipe case 2, when filter 7 needs to be changed the clearance, through the above-mentioned reverse operation of step, can dismantle the clearance with filter 7, use through the cooperation of first seal groove 107 with first sealing washer 108 simultaneously, the cooperation of second seal groove 6 and second sealing washer 601 is used, the leakproofness between the heat exchanger has been strengthened.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a duplex stainless steel shell and tube heat exchanger, includes casing (1), its characterized in that, the both ends of casing (1) all are equipped with first flange (101), the outside equidistance of first flange (101) is equipped with a plurality of connection pins (102), just connecting rod (5) are installed through connection pin (102) to first flange (101), pipe case (2) are all installed at the both ends of casing (1), second flange (201) are installed to one side of pipe case (2), the outside equidistance of second flange (201) is equipped with a plurality ofly to fixed block (202), fixture block (204) are installed to one side of fixed block (202), fixture block (204) can be with connecting rod (5) mutual block, filter (7) are installed to inside one side of casing (1), the bottom of filter (7) is equipped with double-screw bolt (701), just casing (1) is equipped with installation piece (105) in the bottom of filter (7), threaded hole (106) are seted up on the surface of installation piece (105), double-screw bolt (701) and threaded hole (106) interlock each other, the notch has been seted up at the top of filter (7) in casing (1), filter (7) run through the notch to extend to the outside of notch, just handle (702) are installed at the top of filter (7).

2. The duplex stainless steel tube type heat exchanger according to claim 1, wherein the shell (1) is provided with a first sealing groove (107) at the outer side of the notch, and a first sealing ring (108) is installed inside the first sealing groove (107).

3. A duplex stainless steel tube type heat exchanger according to claim 1, wherein the fixing block (202) is provided with a groove (203) inside, a spring (205) is installed inside the groove (203), and one end of the spring (205) is connected with the clamping block (204).

4. A duplex stainless steel tube and tube heat exchanger according to claim 1, characterized in that the tie rod (5) is a "T" shaped tie rod.

5. The duplex stainless steel tube type heat exchanger according to claim 1, wherein a second sealing groove (6) is formed in each of one side of the first flange (101) and one side of the second flange (201), and a second sealing ring (601) is installed in each second sealing groove (6).

6. The duplex stainless steel tube type heat exchanger according to claim 1, wherein a first connecting tube (3) is arranged at the top of one of the tube boxes (2), a plurality of heat transfer tubes (103) are arranged in the shell (1), one end of the first connecting tube (3) is communicated with one end of one of the heat transfer tubes (103), a second connecting tube (301) is arranged on one side of the bottom of the shell (1), one end of the second connecting tube (301) is communicated with one end of the other heat transfer tube (103), and a plurality of baffle plates (104) are arranged at the upper end and the lower end of the inner wall of the shell (1) at equal intervals among the plurality of heat transfer tubes (103).

7. The duplex stainless steel tube type heat exchanger according to claim 1, wherein a third connecting tube (4) is opened at the top of the other tube box (2), and a fourth connecting tube (401) is opened at one side of the bottom of one tube box (2), wherein the fourth connecting tube (401) can be communicated with the third connecting tube (4).

8. A duplex stainless steel tube and tube heat exchanger according to claim 1, characterized in that the bottom of the shell (1) is provided with a pair of seats (8).