CN218864850U

CN218864850U - Right-angle pipe joint of sleeve-type sewage heat exchanger

Info

Publication number: CN218864850U
Application number: CN202220634440.2U
Authority: CN
Inventors: 赵庆彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2023-04-14
Anticipated expiration: 2032-03-11

Abstract

The utility model provides a sleeve pipe sewage heat exchanger's right angle coupling, its structure includes: the solid plug, the hollow plug, the pipe joint body, the sewage inlet and outlet, the clear water inlet and outlet, the large sealing ring and the small sealing ring; the pipe joint body is a straight pipe which is horizontally placed, a thread is arranged in an opening at the left side of the pipe joint body, and the screw is matched with the external thread of the hollow plug; a sewage pipe and a clean water pipe are arranged in the right opening of the pipe joint body, the sewage pipe is a sleeve inner pipe, one end of the sewage pipe is matched with the large sealing ring, and the large sealing ring is extruded by the hollow plug and used for fixing and sealing the end part of the sewage pipe; the clean water pipe in the opening on the right side of the pipe joint body is an outer pipe of the sleeve, and the end part of the clean water pipe is sealed by a small sealing ring; the pipe joint body is additionally provided with a sewage inlet and a sewage outlet which are communicated with the sewage pipe and a clear water inlet and a clear water outlet which are communicated with the clear water pipe. The solid plug is cylindrical, the thread of the excircle of the solid plug is matched with the thread of the inner hole of the hollow plug, and the solid plug forms the closed end face of the sewage flow channel and is detachable.

Description

Right-angle pipe joint of sleeve-type sewage heat exchanger

Technical Field

The invention relates to heat exchange equipment, in particular to a right-angle pipe joint of a double-pipe sewage heat exchanger.

Background

The sewage heat exchanger is a front-end product in a sewage source heat pump system, is mainly used for extracting heat dispersed in urban raw sewage and industrial wastewater such as chemical cooling water, blast furnace slag flushing water, printing and dyeing wastewater and the like in winter, and transferring the heat to a heat pump unit through intermediate water exchange, and heating a building through the heat pump unit; in summer, the heat in the building is transferred to the sewage to refrigerate the building.

The sewage heat exchanger plays a very role in green energy-saving buildings, energy conservation and emission reduction of the buildings, when the development of ground soil source heat pumps and underground water source heat pumps encounters unsolvable problems, the sewage source heat pump system is developed due to the appearance of the sewage heat exchanger, the difficulty of sewage utilization is effectively solved by the sewage heat exchanger, and the problems of scaling, blockage, corrosion and the like of urban raw sewage in sewage utilization are solved, so that the utilization of the urban raw sewage by the heat pump is promoted for further development of the heat pump.

The sewage source heat pump is used for absorbing heat from sewage in winter, heating the building after the temperature of the sewage is raised by the heat pump unit, and transferring the heat in the building to the sewage by the heat pump unit in summer so as to realize cold supply. The sewage replaces a cooling tower, and has the outstanding advantages of high efficiency, energy conservation, environmental protection, safety, reliability, multiple purposes and the like.

The technical key point of using sewage as the cold and heat source of the sewage source heat pump is as follows: the efficient continuous heat exchange of the sewage is realized, and the sewage heat exchanger which is not blocked, does not scale and can stably work for a long time is provided.

A sewage heat exchanger is arranged between the urban sewage, the industrial wastewater and the heat pump, and the heat pump absorbs heat from the sewage or releases heat to the sewage. The sewage after energy exchange returns to the urban sewage discharge system from the water return pipe.

The sewage heat exchanger is quickly blocked. Tiny viscous impurities in the sewage enter the sewage heat exchanger, are continuously settled in the sewage heat exchanger, are deposited and scaled on the surface of the heat exchange plate, so that the thermal resistance of the surface of the heat exchange plate is increased, and the overall performance of the heat exchanger is rapidly deteriorated.

The working conditions of the sewage heat exchanger are greatly different from those of the common heat exchanger, and the structural design and the use experience of the common heat exchanger cannot be used for the sewage heat exchanger. Although the design method and the manufacturing process of the common heat exchanger are mature, the structure and the scientific design method of the sewage heat exchanger are not well solved so far.

The double-pipe sewage heat exchanger is a novel sewage heat exchanger, has the advantages of simple structure and convenient manufacture, and is adopted in engineering. However, the double pipe sewage heat exchanger has a big difficulty: at the bend of its conversion flow, not only welding is difficult, and the quality is not good to guarantee moreover, often takes place accidents such as jam, leakage at the bend.

Disclosure of Invention

The invention provides a right-angle pipe joint of a sleeve type sewage heat exchanger, which is suitable for exchanging heat of domestic sewage, river, sea, lake water and various industrial wastewater.

The invention provides a right-angle pipe joint of a double-pipe sewage heat exchanger, which structurally comprises: the hollow plug, the pipe joint body, the sewage inlet and outlet, the clear water inlet and outlet, the large sealing ring and the small sealing ring.

The pipe joint body is a straight pipe which is horizontally placed, a thread is arranged in an opening at the left side of the pipe joint body, and the pipe joint body is matched with the external thread of the hollow plug; the right opening of the pipe joint body is internally provided with a sewage pipe and a clean water pipe.

The sewage pipe in the right opening of the pipe joint body is an inner pipe of the sleeve, one end of the inner pipe is matched with the large sealing ring, and the large sealing ring is extruded by the hollow plug and used for fixing and sealing the end part of the sewage pipe.

The clean water pipe in the right opening of the pipe joint body is an outer pipe of the sleeve, and the end part of the clean water pipe is sealed by a small sealing ring.

The pipe joint body is additionally provided with a sewage inlet and a sewage outlet which are communicated with the sewage pipe and a clear water inlet and a clear water outlet which are communicated with the clear water pipe.

The method is characterized in that: the right angle coupling of bushing type sewage heat exchanger, its structure still includes: a solid plug.

The solid plug is cylindrical, the outer circle thread of the solid plug is matched with the inner hole thread of the hollow plug, the solid plug forms a closed end face of the sewage flow channel, and the solid plug is detachable and can be conveniently cleaned in the sewage pipe.

The right-angle pipe joint of the double-pipe sewage heat exchanger provided by the invention has the advantages that the sewage flow passage is smooth, sundries and silt in the sewage can smoothly pass through the right-angle pipe joint, the structure is reasonable, the manufacturing labor intensity is reduced, the right-angle pipe joint is not easy to leak, the heat transfer coefficient is high, and the right-angle pipe joint can stably work for a long time

Drawings

FIG. 1 is a sectional view of an embodiment of a quarter pipe joint of a double pipe type sewage heat exchanger according to the present invention;

fig. 2 is a left side view of an embodiment of a right-angle pipe joint of the double pipe type sewage heat exchanger according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a sectional view showing an embodiment of a quarter pipe joint of a double pipe type sewage heat exchanger according to the present invention.

The invention discloses a right-angle pipe joint embodiment of a double-pipe sewage heat exchanger, which structurally comprises: the solid plug 1, the hollow plug 2, the pipe joint body 4, the large sealing ring 3, the small sealing ring 6, the sewage inlet and outlet 8 and the clean water inlet and outlet 9.

In the embodiment of the right-angle pipe joint of the double-pipe sewage heat exchanger, a pipe joint body 4 is a straight pipe which is horizontally and transversely arranged, and a thread is arranged in an opening at the left side of the straight pipe and is matched with an external thread of a hollow plug 2; the left opening of the hollow plug 2 is internally threaded and is matched with the external thread of the solid plug 1.

The right opening of the pipe joint body 4 is connected with a sewage pipe 5 and a clean water pipe 7.

The sewage pipe 5 is a sleeved inner pipe, one end of which is matched with the large sealing ring 3, and the large sealing ring 3 is extruded by the hollow plug 2, so that the end part of the sewage pipe 5 is fixed and sealed, and sewage and clean water are prevented from mixing. Inside the sewage pipe 5 is a sewage flow passage 10 through which sewage flows in or out through a sewage inlet and outlet 8.

The clean water pipe 7 in the right opening of the pipe joint body 4 is an outer pipe of the sleeve, and the end part of the clean water pipe is sealed by a small sealing ring 6 to prevent clean water from leaking. Between the inner wall of the clean water pipe 7 and the outer wall of the sewage pipe 5 is a clean water flow passage 11, and clean water flows in or out through a clean water inlet and outlet 9.

The solid plug 1 functions as: when the heat exchanger works, the solid plug 1 is the closed end surface of the sewage flow channel; when the heat exchanger is overhauled, the solid plug 1 is unscrewed, and the inside of the sewage pipe 5 can be cleaned from one side by using a brush or high-pressure water.

Fig. 2 is a left side view showing an embodiment of a right-angle coupling of the double pipe type sewage heat exchanger according to the present invention.

The left side view of the right angle pipe joint embodiment of the double pipe type sewage heat exchanger of the present invention, i.e., the view in the direction of a in fig. 1.

The central position in the figure is a solid plug 1, and the solid plug 1 is cylindrical and is provided with external threads (not shown in the figure).

The periphery of the cylindrical solid plug 1 is provided with a hollow plug 2, and the solid plug 1 and the hollow plug 2 are matched through threads.

The periphery of the hollow plug 2 is connected with a pipe joint body 4 through threads, the inner axial direction of the pipe joint body 4 is formed by connecting a plurality of sections of circular inner cavities in a front-back mode and is straight-through, and the outer outline of the pipe joint body 4 is square.

The dotted line shows that the water inlet and outlet for sewage or clean water is downward. If another identical sleeve-type sewage heat exchanger right-angle pipe joint is arranged, but the water inlet and the water outlet of the sleeve-type sewage heat exchanger right-angle pipe joint are upwards arranged, then the two sleeve-type sewage heat exchanger right-angle pipe joints can be connected in an up-and-down opposite mode, and a 180-degree U-shaped back-and-forth flow of sewage and clean water is realized.

From the above, the sewage heat exchanger using the right-angle pipe joint of the double-pipe sewage heat exchanger has several characteristics:

(1) The sewage flow channel or the clear water flow channel of the sleeve-type sewage heat exchanger can be a U-shaped reciprocating flow channel;

(2) The channel inlet and the channel outlet of the sewage channel or the clear water channel are both arranged at the same side of the sleeve, and the sewage channel or the clear water channel can be a multi-layer U-shaped reciprocating channel, so that great convenience is brought to the design of the sewage heat exchanger;

(3) The sewage pipe or the clean water pipe in the sewage flow passage or the clean water flow passage is connected and sealed with the right-angle pipe joint only by pressing the back cushion ring, so that the operation is simple and reliable during assembly or maintenance, and the working hours are saved;

(4) The right-angle pipe joint of the double-pipe sewage heat exchanger is made of engineering plastics, and has the advantages of easy processing, smooth interior, no scale deposition and no corrosion.

Claims

1. A right-angle pipe joint of a double-pipe sewage heat exchanger structurally comprises: the pipe joint comprises a hollow plug, a pipe joint body, a sewage inlet, a sewage outlet, a clear water inlet, a clear water outlet, a large sealing ring and a small sealing ring; the pipe joint body is a straight pipe which is horizontally placed, a thread is arranged in an opening at the left side of the pipe joint body, and the pipe joint body is matched with the external thread of the hollow plug; a sewage pipe and a clean water pipe are arranged in the right opening of the pipe joint body, the sewage pipe is a sleeve inner pipe, one end of the sewage pipe is matched with the large sealing ring, and the large sealing ring is extruded by the hollow plug and used for fixing and sealing the end part of the sewage pipe; the clean water pipe in the opening at the right side of the pipe joint body is an outer pipe of the sleeve, and the end part of the clean water pipe is sealed by a small sealing ring; on the coupling body, have in addition to import and export with the sewage of sewer intercommunication, import and export its characterized in that with the clear water of clear water pipe intercommunication: the right angle coupling of bushing type sewage heat exchanger, its structure still includes: a solid plug.

2. The right-angle pipe joint of the double pipe sewage heat exchanger according to claim 1, wherein: the solid plug is cylindrical, the thread of the excircle of the solid plug is matched with the thread of the inner hole of the hollow plug, and the solid plug forms the closed end face of the sewage flow channel and is detachable.