CN215295977U

CN215295977U - Take heat exchanger pipe case structure of manhole

Info

Publication number: CN215295977U
Application number: CN202121367809.XU
Authority: CN
Inventors: 孔泽学; 顾勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-24
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a take heat exchanger pipe case structure of manhole aims at solving current heat exchanger and goes up the manhole and set up unreasonablely, leads to overhauing inconvenient not enough. The utility model discloses an including pipe case body, be equipped with water inlet, delivery port on the pipe case body, all install the manhole on water inlet and the delivery port and connect, be equipped with equipment interface, pipeline interface, manhole mouth on the manhole connects, water inlet and delivery port respectively with two equipment interface connection on the manhole connects, manhole mouth department can dismantle the connection closing cap on the manhole connects, the closing cap closing manhole mouth. The heat exchanger tube box structure with the manhole improves the safety of equipment, the heat exchanger manhole is convenient to arrange, the cost is low, and the overhauling operation is convenient.

Description

Take heat exchanger pipe case structure of manhole

Technical Field

The utility model relates to a indirect heating equipment, more specifically say, it relates to a take heat exchanger pipe case structure of manhole.

Background

At present, a high-pressure heat exchanger of a traditional power plant is in a U-shaped pipe type, a manhole for maintenance is located on a water chamber sealing head and is separated from a water supply inlet and outlet, personnel enter a small space, the maintenance is very dangerous, safety accidents are easy to happen, and the maintenance operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a take heat exchanger pipe case structure of manhole, it has improved the security of equipment, and the heat exchanger manhole is laid conveniently, and is with low costs, has made things convenient for the maintenance operation.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a take heat exchanger pipe case structure of manhole, includes pipe case body, is equipped with water inlet, delivery port on the pipe case body, all installs the manhole on water inlet and the delivery port and connects, and the manhole connects and is equipped with equipment interface, pipeline interface, manhole mouth, and water inlet and delivery port respectively with two equipment interface connection on the manhole connects, manhole joint last manhole mouth department can dismantle the connection closing cap, and the closing cap sealing cover closes the manhole mouth.

The heat exchanger tube box structure with the manhole directly opens the manhole on the manhole joint, the manhole joint is installed on the water inlet and the water outlet of the heat exchanger, the manhole does not need to be opened on the heat exchanger independently, the cost for independently opening the manhole is reduced, and the economical efficiency is improved. And the heat exchanger is provided with one less manhole which is independently arranged, so that leakage points which possibly exist are reduced, the safety of equipment is improved, the occupation of the manhole which is independently arranged on the inner space of the heat exchanger is avoided, the inner operation space of the heat exchanger is large, and the overhaul operation is facilitated. When needs overhaul, dismantle the closing cap, open the manhole, inside the maintainer just accessible manhole gets into the heat exchanger, convenient operation. The heat exchanger tube box structure with the manhole improves the safety of equipment, the heat exchanger manhole is convenient to arrange, the cost is low, and the overhauling operation is convenient.

Preferably, the manhole joint comprises a joint body and a connecting sleeve, the joint body is of a cylindrical structure with two through ends, the connecting sleeve is connected to the side wall of the joint body, one end of the connecting sleeve is communicated with the joint body, the other end of the connecting sleeve is a pipeline interface, and the two ends of the joint body are respectively an equipment interface and a manhole opening. The manhole joint has simple structure, convenient installation and low cost.

Preferably, the manhole joint is T-shaped or Y-shaped. This arrangement facilitates installation of the manhole joint.

Preferably, the connecting sleeve is integrally formed on the outer wall of the joint body; or the connecting sleeve is welded on the outer wall of the joint body. The integrated structure has good strength. The welding connection mode is convenient to connect.

Preferably, a gland is connected to the manhole joint in a corresponding mode to the sealing cover, the gland is connected to the manhole joint in a fastening mode, a positioning ring is connected to the inner wall of the manhole joint at the position of the manhole opening, the sealing cover abuts against the positioning ring, and a fastening piece is connected between the sealing cover and the gland. The gland is connected with the manhole joint in a fastening mode, the sealing cover is connected with the gland through the fastening piece, and connection is convenient and reliable. The positioning ring plays a good role in supporting and positioning the sealing cover.

Preferably, a sealing gasket is connected between the cover and the positioning ring. The gasket increases the tightness of the closure connection.

Preferably, the manhole joint inner wall and the locating ring correspond and are equipped with the mounting ring groove, and the locating ring includes the curved linkage segment of a plurality of sections, and the linkage segment end to end connects and installs and form the locating ring in the mounting ring groove, installs the retaining ring between closing cap and the gland, and the retaining ring suit is outside the retaining ring. The mounting ring groove facilitates mounting and positioning of the positioning ring, and the positioning ring formed by the arc-shaped connecting sections is convenient to mount in the mounting ring groove. The retaining ring plays a good role in positioning the positioning ring and prevents the arc-shaped connecting section from sliding away from the mounting ring groove.

Preferably, the tube box body is of a hemispherical structure, a partition plate is arranged in the middle of the inside of the heat exchanger, a maintenance through hole is formed in the partition plate, and the maintenance through hole is connected with a sealing door. The baffle sets up middle part position in the heat exchanger, and spatial layout in the heat exchanger is reasonable, the maintenance operation of being convenient for. The maintenance through-hole is convenient for the maintenance to pass through, and the closing door is closed to the maintenance through-hole, makes the space in the baffle to the heat exchanger keep apart.

In another scheme, the tube box body comprises two water passing sections with circular tubular structures and a plurality of coiled tubes connected between the two water passing sections.

Compared with the prior art, the beneficial effects of the utility model are that: the heat exchanger tube box structure with the manhole improves the safety of equipment, the heat exchanger manhole is convenient to arrange, the cost is low, and the overhaul operation is facilitated.

Drawings

Fig. 1 is a schematic structural view of embodiment 1 of the present invention;

fig. 2 is a schematic structural view of embodiment 2 of the present invention;

figure 3 is a schematic structural view of the manhole joint of the present invention;

in the figure: 1. the pipe box comprises a pipe box body, 2, a water inlet, 3, a water outlet, 4, a manhole joint, 5, an equipment interface, 6, a pipeline interface, 7, a manhole opening, 8, a sealing cover, 9, a joint body, 10, a connecting sleeve, 11, a pressing cover, 12, a positioning ring, 13, a fastening piece, 14, a sealing gasket, 15, a stabilizing ring, 16, an installation ring groove, 17, a retaining ring, 18, a partition plate, 19, a maintenance through hole, 20, a sealing door, 21, a coiled pipe, 22 and a water passing section.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1: the utility model provides a take heat exchanger pipe case structure of manhole (see attached drawing 1, attached drawing 3), includes pipe case body 1, is equipped with water inlet 2, delivery port 3 on the pipe case body, all installs the manhole on water inlet and the delivery port and connects 4, is equipped with equipment interface 5, pipeline interface 6, manhole mouth 7 on the manhole connects, water inlet and delivery port respectively with two equipment interface connection on the manhole connects, manhole mouth department can dismantle the connection closing cap 8 on the manhole connects, the closing cap sealing cap closes the manhole mouth.

The manhole joint comprises a joint body 9 and a connecting sleeve 10, the joint body is of a cylindrical structure with two through ends, the connecting sleeve is connected to the side wall of the joint body, one end of the connecting sleeve is communicated with the joint body, the other end of the connecting sleeve is a pipeline interface, and the two ends of the joint body are respectively an equipment interface and a manhole opening. The manhole joint is T-shaped or Y-shaped, and in the embodiment, the manhole joint is T-shaped. The connecting sleeve is integrally formed on the outer wall of the joint body; or the connecting sleeve is welded on the outer wall of the joint body. The adapter sleeve in this embodiment is welded on the outer wall of the joint body.

The manhole connects and corresponds with the closing cap and is connected with gland 11, gland and manhole joint screw are connected, gland fastening connection is on the manhole connects, connect holding ring 12 on the manhole joint inner wall of manhole mouth department, the closing cap butt is on the holding ring, coupling part 13 between closing cap and the gland, the fastener adopts screw rod and nut cooperation to realize the connection of closing cap and gland, screw rod one end fastening connection is on the closing cap, the other end pass the gland and with nut threaded connection, the nut butt is on the closing cap. A seal 14 is connected between the cover and the retaining ring. The sealing cover is provided with a ring gap on the outer wall close to the gland end, the sealing gasket is arranged in the ring gap, and the end part of the sealing cover facing the gland is arranged in the positioning ring. And a stabilizing ring 15 is arranged between the sealing gasket and the positioning ring, and the stabilizing ring is arranged in the ring gap and is matched with the inner wall of the manhole opening. The manhole connects on the inner wall and the holding ring correspondence and is equipped with mounting ring groove 16, and the holding ring includes the curved linkage segment of a plurality of sections, and the linkage segment end to end connection forms the holding ring in the mounting ring groove and installs, installs retaining ring 17 between closing cap and the gland, and the holding ring suit is outside the retaining ring, and retaining ring fixed connection is on the gland.

The tube box body is of a hemispherical structure, a partition plate 18 is arranged in the middle of the tube box body, a maintenance through hole 19 is formed in the partition plate, and the maintenance through hole is connected with a sealing door 20.

Example 2: the structure of a heat exchanger tube box structure with a manhole (see attached drawing 2) is similar to that of embodiment 1, and the main difference is that the tube box body in this embodiment comprises two water passing sections 22 of a circular tubular structure and a plurality of coiled tubes 21 connected between the two water passing sections, a manhole interface is installed at the end part of the water passing sections, and the coiled tubes are communicated between the two water passing sections. The other structure is the same as embodiment 1.

The above-described embodiments are merely preferred and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a take heat exchanger pipe case structure of manhole, characterized by, includes pipe case body, is equipped with water inlet, delivery port on the pipe case body, all installs the manhole on water inlet and the delivery port and connects, and the manhole connects and is equipped with equipment interface, pipeline interface, manhole mouth, and water inlet and delivery port respectively with two equipment interface connection on the manhole connects, manhole mouth department can dismantle the connection closing cap on the manhole connects, and the closing cap sealing cap closes the manhole mouth.

2. The heat exchanger tube box structure with the manhole as claimed in claim 1, wherein the manhole joint includes a joint body and a connecting sleeve, the joint body is a cylindrical structure with two ends penetrating, the connecting sleeve is connected to a sidewall of the joint body, one end of the connecting sleeve is communicated with the joint body, the other end of the connecting sleeve is a pipeline interface, and two ends of the joint body are an equipment interface and a manhole opening respectively.

3. The heat exchanger tube box structure with the manhole as claimed in claim 2, wherein the manhole joint is T-shaped or Y-shaped.

4. The heat exchanger tube box structure with the manhole as claimed in claim 2, wherein the connection sleeve is integrally formed on an outer wall of the joint body; or the connecting sleeve is welded on the outer wall of the joint body.

5. The heat exchanger tube box structure with the manhole as claimed in claim 1, wherein a gland is connected to the manhole joint corresponding to the sealing cover, the gland is fastened to the manhole joint, a positioning ring is connected to an inner wall of the manhole joint at the manhole opening, the sealing cover abuts against the positioning ring, and a fastening member is connected between the sealing cover and the gland.

6. The heat exchanger tube box structure with the manhole as claimed in claim 5, wherein a sealing gasket is connected between the sealing cover and the positioning ring.

7. The heat exchanger tube box structure with the manhole as claimed in claim 5, wherein the inner wall of the manhole joint is provided with a mounting ring groove corresponding to the positioning ring, the positioning ring comprises a plurality of arc-shaped connecting sections, the connecting sections are connected end to end and mounted in the mounting ring groove to form the positioning ring, a retaining ring is mounted between the sealing cover and the pressing cover, and the positioning ring is sleeved outside the retaining ring.

8. The heat exchanger tube box structure with the manhole as claimed in any one of claims 1 to 7, wherein the tube box body has a hemispherical structure, a partition is installed at a middle position in the tube box body, a maintenance through hole is formed in the partition, and a sealing door is connected to the maintenance through hole.

9. The heat exchanger tube box structure with the manhole as claimed in any one of claims 1 to 7, wherein the tube box body comprises two water passing sections of a circular tubular structure, and a plurality of coiled tubes connected between the two water passing sections.