CN215909732U

CN215909732U - High-temperature nitric acid condensation heat exchanger

Info

Publication number: CN215909732U
Application number: CN202122433831.6U
Authority: CN
Inventors: 戴飞飞; 田奎
Original assignee: Hannon Suzhou Energy Saving Technology Co ltd
Current assignee: Hannon Suzhou Energy Saving Technology Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-02-25
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses a high-temperature nitric acid condensation heat exchanger, which comprises a body, wherein a material inlet and a material outlet are respectively arranged at two side ends of the body, expansion joints are respectively arranged at one side of the body close to the material inlet and the material outlet, the body comprises a water wall, a first access door and a second access door, the first access door and the second access door are detachably arranged on the body, the body also comprises a partition, the partition divides the body into two heat exchange areas, a heat exchange assembly is arranged in the body through at least one fixing assembly to ensure the stability of the arrangement of the heat exchange assembly, ear seats and lugs are arranged at two sides of the body adjacent to the first access door and/or the second access door, the structure is simple, the disassembly and the assembly are convenient, the labor is saved, and the deformation of a shell caused by uneven heating is avoided, the service life of the body is prolonged.

Description

High-temperature nitric acid condensation heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a high-temperature nitric acid condensation heat exchanger.

Background

The heat exchanger is common equipment among the industrial field, this internal a plurality of heat transfer boards that are equipped with the parallel of equipment, the heat transfer board includes inside runner, form outside runner between the adjacent heat transfer board, inside and outside runner cooperation, realize heat transfer medium and the flow of waiting to heat transfer medium, realize the heat exchange between the different media through the heat transfer board, current heat exchanger is the subassembly that keeps warm in being equipped with usually in the shell, heat in order to reduce the heat transfer in-process scatters and disappears, because the temperature of this internal different positions of heat exchanger is different, lead to the shell to be heated unevenly, produce stress, cause the shell fracture easily, influence the life of body, the security is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a high-temperature nitric acid condensing heat exchanger.

In order to achieve the above purposes, the utility model adopts the technical scheme that: a high-temperature nitric acid condensation heat exchanger comprises a body, wherein a material inlet and a material outlet are respectively arranged at the two side end parts of the body, the expansion joints are respectively arranged on one side of the body close to the material inlet and the material outlet, the body comprises a water-cooled wall, a first access door and a second access door, the first access door and the second access door are detachably arranged on the body, the body also comprises a separator which divides the body into two heat exchange areas, heat exchange components are arranged in the two heat exchange areas, the first access door and the second access door are respectively arranged at two sides of the separator, the body is provided with a pipeline for the circulation of heat exchange medium, the pipeline includes from material export one side extremely material entry one side sets gradually first inlet tube, first outlet pipe, second inlet tube and second outlet pipe.

Compared with the prior art, the water-cooled wall has the advantages that the water-cooled wall can replace an inner heat insulation component, and compared with the inner heat insulation component, the water-cooled wall is simple in structure, convenient to disassemble and assemble, labor-saving, capable of ensuring the temperature difference of the shell of the body 10 to be within a reasonable interval, avoiding the deformation of the shell caused by uneven heating, and prolonging the service life of the body; the expansion joint is arranged, so that the stress on the body caused by expansion with heat and contraction with cold in the heat exchange process can be reduced, the probability of deformation of the shell is reduced, the body is prevented from cracking to influence the heat exchange effect, the use safety of the heat exchanger is ensured, and the potential safety hazard is avoided; set up the separator, the separator falls into two heat transfer areas with the body, carries out twice heat transfer to high temperature nitric acid through two heat transfer areas for the condensation effect of high temperature nitric acid is better, promotes heat exchange efficiency.

Preferably, the body is provided with an ear seat and a lug at two adjacent sides of the first access door and/or the second access door, the lug is arranged at one side close to the material inlet, a through hole is formed in the lug, and the ear seat is arranged at a position close to the partition piece on the body. Through the arrangement of the lugs and the lug seats, the body of the heat exchanger is convenient to arrange on other equipment or fix on a wall body, and the installation is convenient.

Preferably, the ear seat includes mounting substrate, fixed plate and reinforcing plate, mounting substrate sets up fixed plate one side, the last mounting hole that is equipped with of mounting substrate, the mounting hole runs through mounting substrate, the ear seat passes through the fixed plate sets up on the body, the reinforcing plate is connected mounting substrate with the fixed plate, the fixed plate is kept away from one side of mounting substrate is equipped with the limiting plate, the limiting plate sets up the reinforcing plate is kept away from one side of mounting substrate and with the fixed plate is connected. Set up reinforcing plate and limiting plate, can promote the intensity of ear seat, guarantee the installation quality of body.

Preferably, heat exchange assembly sets up through at least one fixed subassembly this internally, heat exchange assembly includes a plurality of parallel arrangement's heat transfer board, fixed subassembly includes the base member and sets up perpendicularly the fastener of base member both sides, two fastener parallel arrangement, the fastener includes the fixture block that a plurality of intervals set up, and is adjacent be equipped with the clearance between the fixture block, the clearance with the cooperation of heat transfer board. Guarantee the depth of parallelism between the heat transfer board through fixed subassembly, ensure the stability that heat transfer assembly set up, guarantee heat transfer effect, simple structure.

Preferably, the end parts of the two sides of the base part are arranged on the body through mounting parts, and the mounting parts are provided with positioning holes which penetrate through the mounting parts. The installation of the fixed subassembly of being convenient for uses manpower sparingly, promotes dismouting efficiency.

Preferably, the base member is integrally provided with the clip member and the latch. Simple structure and convenient processing.

Preferably, the first access door and the second access door are detachably arranged on the body through locking pieces. The operating personnel inspects and maintains the two heat exchange areas through the first access door and the second access door, the operation is convenient, and the service life of the equipment is prolonged.

Preferably, the lock is configured as a snap clip. The quick clamp is a standard component and is convenient to operate.

Preferably, the first water outlet pipe is communicated with the second water inlet pipe, and the first water inlet pipe is connected with the second water outlet pipe through the cooling tower. The heat exchange medium from the second water outlet pipe is cooled through the cooling tower, so that the heat exchange medium entering the first water inlet pipe can be guaranteed to be at a low temperature, the heat exchange requirement is met, meanwhile, the heat exchange medium can be recycled, the energy is saved, and the cost is reduced.

Preferably, the first water outlet pipe is connected with a heating device, and the second water outlet pipe is connected with a shower device and a water faucet. The heat exchange medium subjected to heat exchange and temperature rise can be used for heating, showering and daily use, so that the heat is recycled, the energy is saved, and the economic benefit is good.

Drawings

FIG. 1 is a schematic overall structure diagram of a preferred embodiment of the present invention;

FIG. 2 is an enlarged, fragmentary view of the ear mount of FIG. 1;

FIG. 3 is another overall structural schematic diagram of a preferred embodiment of the present invention;

FIG. 4 is an enlarged partial schematic view of the fixing assembly of FIG. 3;

fig. 5 is a schematic structural diagram of a fixing assembly according to another preferred embodiment of the utility model.

In the figure:

10-a body; 100-water-cooled wall; 101-a first access door; 102-a second access door; 103-locking; 104-a separator; 11-material inlet; 111-an expansion joint; 12-material outlet; 131-a first water inlet pipe; 132-a first outlet pipe; 133-a second inlet pipe; 134-a second water outlet pipe; 14-ear mount; 141-a mounting substrate; 142-a fixed plate; 143-a reinforcement plate; 144-a limiting plate; 15-a lug; 20-a heat exchange assembly; 21-a fixation assembly; 211-base member; 212-a catch; 213-a fixture block; 214-a mount; 215-locating holes.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

As shown in fig. 1 to fig. 3, the high-temperature nitric acid condensing heat exchanger in this embodiment includes a body 10, a material inlet 11 and a material outlet 12 are respectively disposed at two side ends of the body 10, the material inlet 11 is used for allowing high-temperature nitric acid to enter, the material outlet 12 is used for allowing nitric acid after heat exchange to be discharged, the body 10 includes a water wall 100, a first access door 101 and a second access door 102, a heat exchange assembly 20 is disposed inside the body 10, the heat exchange assembly 20 is sealed inside the body 10 through cooperation of the water wall 100, the first access door 101 and the second access door 102, a housing is disposed at one side of the water wall 100 away from the heat exchange assembly 20, namely at one side of the outside, the housing protects the water wall 100, the water wall 100 reduces deformation of the housing, the first access door 101 and the second access door 102 are detachably disposed on the body 10, so as to facilitate maintenance and cleaning of the heat exchange assembly 20 inside the body 10, first access door 101 and second access door 102 can dismantle the setting on body 10 through latch fitting 103 respectively, and in this embodiment, latch fitting 103 sets up to press from both sides fast, and the quick clamp is the standard component, and convenient operation can set up the quantity of latch fitting 103 according to actual demand.

Set up to water-cooling wall 100 through the outer wall with body 10, can guarantee that body 10 is inside not destroyed by high temperature, compare in prior art and set up interior insulation assembly in body 10, easy dismounting reduces the cost and the cost of labor of change material, guarantees that the difference in temperature of body 10 is in reasonable interval, avoids the shell because the deformation problem that expend with heat and contract with cold caused, reduces the risk that equipment damaged.

It should be noted that the heat exchange assembly 20 is a pillow-shaped heat exchange plate, a plurality of heat exchange plates are arranged in parallel and have a certain distance, heat exchange between materials and heat exchange media (such as cooling water) is realized through the heat exchange assembly 20, the heat exchange assembly 20 is a conventional means of those skilled in the art, and innovative improvements are not made on the assembly in the present invention, so that detailed description is not made in the specification, and those skilled in the art can adaptively select the heat exchange assembly according to actual needs.

One side that body 10 is close to material entry 11 and material export 12 is equipped with expansion joint 111, expansion joint 111 can reduce body 10 because the expend with heat and contract with cold phenomenon that heat exchange leads to in the course of the work, reduce the stress that expend with heat and contract with cold caused body 10, avoid the potential safety hazard that the body 10 fracture of equipment caused, the security of lifting means, preferably, expansion joint 111 adopts the bellows, absorb the size change through the deformation of bellows, expansion joint 111 is the common part in this field, do not do this and describe repeatedly.

The body 10 is provided with a pipeline for circulating a heat exchange medium (such as cooling water), the pipeline includes a first water inlet pipe 131, a first water outlet pipe 132, a second water inlet pipe 133 and a second water outlet pipe 134 sequentially arranged from one side of the material outlet 12 to one side of the material inlet 11, the cooling water enters the body 10 from the first water inlet pipe 131, exchanges heat with the material through the heat exchange assembly 20, the cooling water flows out from the first water outlet pipe 132, in this embodiment, the first water outlet pipe 132 is communicated with the second water inlet pipe 133, the cooling water enters the body 10 from the first water outlet pipe 132 and the second water inlet pipe 133, and then flows out from the second water outlet pipe 134, preferably, the second water outlet pipe 134 is connected with the first water inlet pipe 131 through a cooling tower (not shown in the figure), the cooling tower cools the cooling water heated after heat exchange from the second water outlet pipe 134, and then enters the body 10 through the first water inlet pipe 131 to perform a new round of heat exchange, the circulating heat exchange is realized, the heat exchange medium can be recycled, the energy waste is reduced, and the cost is saved.

In order to realize the waste heat recovery of the heat exchange medium, the temperature of the heat exchange medium flowing out of the first water outlet pipe 132 is higher, and the heat exchange medium can be connected with heating equipment, such as a heating pipeline, so as to realize heating, and the temperature of the heat exchange medium flowing out of the second water outlet pipe 134 is lower than that of the first water outlet pipe 132, and the heat exchange medium can be connected with shower equipment, a water tap and the like, so that the heat exchange medium can be used daily by people, the heat energy can be utilized, and the economic benefit is good.

With reference to fig. 1 and 2, a partition 104 is disposed between the first access door 101 and the second access door 102, the partition 104 divides the body 10 into two heat exchange regions, and at the same time, the first access door 101 and the second access door 102 are partitioned, the number of the partitions 104 can be set according to actual requirements to control the number of the heat exchange regions, the heat exchange assembly 20 is disposed in the heat exchange regions, the first water outlet pipe 132 and the second water inlet pipe 133 are disposed on the partition 104, the body 10 is provided with the ear seats 14 and the lugs 15 at two sides adjacent to the first access door 101 and/or the second access door 102, the lugs 15 are disposed at one side of the material inlet 11, through holes are disposed on the lugs 15, the ear seats 14 are disposed at positions of the body 10 close to the partition 104, and the body 10 is conveniently and fixedly mounted on other devices or walls through cooperation between the lugs 15 and the ear seats 14.

The ear seat 14 includes a mounting substrate 141, a fixing plate 142 and a reinforcing plate 143, the mounting substrate 141 is disposed on one side of the fixing plate 142, a mounting hole is formed in the mounting substrate 141, the mounting hole penetrates through the mounting substrate 141, the ear seat 14 is disposed on the body 10 through the fixing plate 142, the fixing plate 142 is fixedly disposed on the body 10 in a welding manner, the mounting substrate 141 and the fixing plate 142 are perpendicularly disposed, the reinforcing plate 143 connects the mounting substrate 141 and the fixing plate 142, and stability of the ear seat 14 is ensured.

As shown in fig. 3, the heat exchange assembly 20 is disposed inside the body 10 through at least one fixing assembly 21, as shown in fig. 4, the fixing assembly 21 includes a base member 211 and clamping members 212 disposed at both sides of the base member 211, the two clamping members 212 are parallel to each other and perpendicular to the base member 211, the clamping members 212 include a plurality of clamping blocks 213 disposed at intervals, a gap is disposed between the two adjacent clamping blocks 213, the gap is disposed in cooperation with a single heat exchange plate, the heat exchange plate is disposed in parallel in the body 10 through the clamping blocks 213 and the gap, the fixing efficiency of the fixing assembly 21 to the heat exchange assembly 20 is ensured through the two clamping members 212, both side ends of the fixing assembly 21 are respectively abutted against the body 10 and can be disposed on the body 10 by welding, or only both side ends of the fixing assembly 21 are abutted against the body 10 in a non-fixed manner, as shown in fig. 5, the base member 211 is provided with mounting members 214 at both side ends close to the body 10, be equipped with locating hole 215 on the installed part 214, locating hole 215 runs through installed part 214, will fix the position of subassembly 21 through installed part 214 detachable setting on body 10, be convenient for according to actual demand adjustment fixed subassembly 21's position, and then guarantee heat exchange assembly 20's installation effectiveness and depth of parallelism, ensure heat exchange efficiency.

Preferably, the base member 211, the clamping member 212 and the clamping block 213 are integrally arranged, so that the processing is convenient, and the processing efficiency is improved.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

1. A high-temperature nitric acid condensing heat exchanger is characterized in that: the heat exchanger comprises a body (10), wherein a material inlet (11) and a material outlet (12) are respectively arranged at two side ends of the body (10), an expansion joint (111) is respectively arranged at one side of the body (10) close to the material inlet (11) and the material outlet (12), the body (10) comprises a water wall (100), a first access door (101) and a second access door (102), the first access door (101) and the second access door (102) are detachably arranged on the body (10), the body (10) further comprises a partition (104), the partition (104) divides the body (10) into two heat exchange areas, heat exchange assemblies (20) are arranged in the two heat exchange areas, the first access door (101) and the second access door (102) are respectively arranged at two sides of the partition (104), and a pipeline for circulating a heat exchange medium is arranged on the body (10), the pipeline comprises a first water inlet pipe (131), a first water outlet pipe (132), a second water inlet pipe (133) and a second water outlet pipe (134) which are sequentially arranged from one side of the material outlet (12) to one side of the material inlet (11).

2. A high temperature nitric acid condensing heat exchanger according to claim 1, wherein: the body (10) is equipped with ear seat (14) and lug (15) in the both sides that are adjacent with first access door (101) and/or second access door (102), lug (15) set up and are being close to one side of material entry (11), be equipped with the through-hole on lug (15), ear seat (14) set up in body (10) are close to the position of separator (104).

3. A high temperature nitric acid condensing heat exchanger according to claim 2, wherein: ear seat (14) include mounting substrate (141), fixed plate (142) and reinforcing plate (143), mounting substrate (141) set up fixed plate (142) one side, be equipped with the mounting hole on mounting substrate (141), the mounting hole runs through mounting substrate (141), ear seat (14) pass through fixed plate (142) set up on body (10), reinforcing plate (143) are connected mounting substrate (141) with fixed plate (142), fixed plate (142) are kept away from one side of mounting substrate (141) is equipped with limiting plate (144), limiting plate (144) set up reinforcing plate (143) are kept away from one side of mounting substrate (141) and with fixed plate (142) are connected.

4. A high temperature nitric acid condensing heat exchanger according to claim 1, wherein: heat exchange assembly (20) are in through at least one fixed subassembly (21) setting in body (10), heat exchange assembly (20) include a plurality of parallel arrangement's heat transfer board, fixed subassembly (21) include base member (211) and set up perpendicularly fastener (212) of base member (211) both sides, two fastener (212) parallel arrangement, fastener (212) include fixture block (213) that a plurality of intervals set up, and are adjacent be equipped with the clearance between fixture block (213), the clearance with the cooperation of heat transfer board.

5. A high temperature nitric acid condensing heat exchanger according to claim 4, wherein: the end parts of the two sides of the base part (211) are arranged on the body (10) through mounting parts (214), the mounting parts (214) are provided with positioning holes (215), and the positioning holes (215) penetrate through the mounting parts (214).

6. A high temperature nitric acid condensing heat exchanger according to claim 4, wherein: the base part (211) is integrated with the clip piece (212) and the fixture block (213).

7. A high temperature nitric acid condensing heat exchanger according to claim 1, wherein: the first access door (101) and the second access door (102) are detachably arranged on the body (10) through a locking piece (103).

8. A high temperature nitric acid condensing heat exchanger according to claim 7, wherein: the locking piece (103) is arranged to be a quick clamp.

9. A high temperature nitric acid condensing heat exchanger according to claim 1, wherein: the first water outlet pipe (132) is communicated with the second water inlet pipe (133), and the first water inlet pipe (131) is connected with the second water outlet pipe (134) through a cooling tower.

10. A high temperature nitric acid condensing heat exchanger according to claim 1, wherein: the first water outlet pipe (132) is connected with heating equipment, and the second water outlet pipe (134) is connected with shower equipment and a water tap.